From 6b09029cfe25e51ea411ec0498d0f75ab65b77b4 Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Sun, 24 Nov 2024 13:09:14 +0100
Subject: [PATCH 01/18] first commit

---
 .gitignore  |   2 +
 Cargo.lock  | 711 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml  |  10 +
 src/main.rs |  56 +++++
 4 files changed, 779 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2a0038a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
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\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
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index 0000000..1c499f3
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+ "windows_i686_msvc 0.52.6",
+ "windows_x86_64_gnu 0.52.6",
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+ "rand_core",
+ "serde",
+ "zeroize",
+]
+
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+ "zeroize_derive",
+]
+
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..23c1b03
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "chatserver"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+colog = "1.3.0"
+log = "0.4.22"
+tokio = { version = "1.41.1", features = ["full"] }
+x25519-dalek = "2.0.1"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..1916a7d
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,56 @@
+use log::{debug, error, info, trace, warn};
+use std::env::args;
+use std::net::{TcpListener, TcpStream};
+
+#[derive(Debug)]
+struct Settings {
+    host: String,
+    port: String,
+}
+
+impl Settings {
+    fn new(args: &[String]) -> Result<Settings, &'static str> {
+        if args.len() < 4 {
+            return Err("not enough arguments");
+        }
+
+        let port = args[2].clone();
+        let host = args[4].clone();
+
+        Ok(Settings { host, port })
+    }
+
+    fn get_full_host(&self) -> String {
+        format!("{}:{}", self.host, self.port)
+    }
+}
+
+async fn handle_client(mut stream: TcpStream) {
+    info!("Connected to {}", stream.peer_addr().unwrap());
+    stream.set_nodelay(true).unwrap();
+
+    loop {
+        
+    }
+}
+
+#[tokio::main]
+async fn main() {
+    colog::init();
+    info!("Starting...");
+    let args: Vec<String> = args().collect();
+    let settings = Settings::new(&args).unwrap();
+    info!("Server Address: {}:{}", settings.host, settings.port);
+    info!("Starting to listen to connections...");
+    let listener = TcpListener::bind(Settings::get_full_host(&settings)).unwrap();
+    match listener.accept() {
+        Ok((socket, _)) => {
+            tokio::spawn(async move {
+                handle_client(socket).await;
+            });
+        }
+        Err(e) => {
+            error!("Something went wrong {}", e);
+        }
+    }
+}

From f54ec8fe1dc2870d70c61c31a60524155fba5c84 Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Mon, 25 Nov 2024 15:45:26 +0100
Subject: [PATCH 02/18] first client commit

---
 .gitignore  |    2 +
 Cargo.lock  | 1094 +++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml  |   13 +
 src/main.rs |   65 +++
 4 files changed, 1174 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2a0038a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/target
+.idea
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..c7e333a
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,1094 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
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+]
+
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+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "windows-sys"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
+dependencies = [
+ "windows-targets 0.48.5",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets 0.52.6",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.59.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+dependencies = [
+ "windows-targets 0.52.6",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
+dependencies = [
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.6",
+ "windows_aarch64_msvc 0.52.6",
+ "windows_i686_gnu 0.52.6",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc 0.52.6",
+ "windows_x86_64_gnu 0.52.6",
+ "windows_x86_64_gnullvm 0.52.6",
+ "windows_x86_64_msvc 0.52.6",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "yansi"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cfe53a6657fd280eaa890a3bc59152892ffa3e30101319d168b781ed6529b049"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..c98677e
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "chatclient"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+colog = "1.3.0"
+crossterm = "0.28.1"
+futures = "0.3.31"
+log = "0.4.22"
+ratatui = "0.29.0"
+tokio = { version = "1.41.1", features = ["full"] }
+tokio-util = { version = "0.7.12", features = ["codec"] }
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..194172f
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,65 @@
+use futures::{SinkExt, StreamExt};
+use log::info;
+use tokio::net::TcpStream;
+use tokio::sync::mpsc;
+use tokio_util::codec::{Framed, LinesCodec};
+
+#[tokio::main]
+async fn main() {
+    colog::init();
+
+    info!("Client");
+    info!("Enter Server Address");
+    let addr: String = read_string();
+    info!("Server address: {}", &addr);
+
+    let stream = TcpStream::connect(addr)
+        .await
+        .expect("Could not connect to server");
+
+    info!("Connected to server");
+
+    let (tx, mut rx) = mpsc::channel::<String>(32);
+    let mut frame = Framed::new(stream, LinesCodec::new());
+
+    // Spawn a single task to handle both sending and receiving
+    let network_task = tokio::spawn(async move {
+        loop {
+            tokio::select! {
+                Some(Ok(line)) = frame.next() => {
+                    info!("Received: {}", line);
+                }
+                Some(message) = rx.recv() => {
+                    if let Err(e) = frame.send(message).await {
+                        info!("Failed to send message: {}", e);
+                        break;
+                    }
+                }
+                else => break,
+            }
+        }
+    });
+
+    // Main loop for reading user input
+    loop {
+        info!("Enter message to send:");
+        let message = read_string();
+        if let Err(e) = tx.send(message).await {
+            info!("Failed to send to channel: {}", e);
+            break;
+        }
+    }
+
+    // Wait for the network and heartbeat tasks to complete
+    if let Err(e) = network_task.await {
+        info!("Network task failed: {}", e);
+    }
+}
+
+fn read_string() -> String {
+    let mut input = String::new();
+    std::io::stdin()
+        .read_line(&mut input)
+        .expect("can not read user input");
+    input.trim().to_string()
+}

From ec2b476446b6660afb1f3d8b8532041a90ac89e3 Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Fri, 29 Nov 2024 08:19:23 +0100
Subject: [PATCH 03/18] Server Rewrite

---
 Cargo.lock  | 123 +---------------------------------------------------
 Cargo.toml  |   3 +-
 src/main.rs | 114 +++++++++++++++++++++++++++---------------------
 3 files changed, 66 insertions(+), 174 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 1c499f3..80bbb41 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -121,7 +121,6 @@ dependencies = [
  "colog",
  "log",
  "tokio",
- "x25519-dalek",
 ]
 
 [[package]]
@@ -151,41 +150,6 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
-[[package]]
-name = "cpufeatures"
-version = "0.2.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16b80225097f2e5ae4e7179dd2266824648f3e2f49d9134d584b76389d31c4c3"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "curve25519-dalek"
-version = "4.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97fb8b7c4503de7d6ae7b42ab72a5a59857b4c937ec27a3d4539dba95b5ab2be"
-dependencies = [
- "cfg-if",
- "cpufeatures",
- "curve25519-dalek-derive",
- "fiat-crypto",
- "rustc_version",
- "subtle",
- "zeroize",
-]
-
-[[package]]
-name = "curve25519-dalek-derive"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "env_filter"
 version = "0.1.2"
@@ -209,12 +173,6 @@ dependencies = [
  "log",
 ]
 
-[[package]]
-name = "fiat-crypto"
-version = "0.2.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28dea519a9695b9977216879a3ebfddf92f1c08c05d984f8996aecd6ecdc811d"
-
 [[package]]
 name = "gimli"
 version = "0.31.1"
@@ -350,12 +308,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
-
 [[package]]
 name = "redox_syscall"
 version = "0.5.7"
@@ -400,47 +352,12 @@ version = "0.1.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
 
-[[package]]
-name = "rustc_version"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfcb3a22ef46e85b45de6ee7e79d063319ebb6594faafcf1c225ea92ab6e9b92"
-dependencies = [
- "semver",
-]
-
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
-[[package]]
-name = "semver"
-version = "1.0.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
-
-[[package]]
-name = "serde"
-version = "1.0.215"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6513c1ad0b11a9376da888e3e0baa0077f1aed55c17f50e7b2397136129fb88f"
-dependencies = [
- "serde_derive",
-]
-
-[[package]]
-name = "serde_derive"
-version = "1.0.215"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad1e866f866923f252f05c889987993144fb74e722403468a4ebd70c3cd756c0"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.2"
@@ -466,12 +383,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "subtle"
-version = "2.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
-
 [[package]]
 name = "syn"
 version = "2.0.89"
@@ -677,35 +588,3 @@ name = "windows_x86_64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
-
-[[package]]
-name = "x25519-dalek"
-version = "2.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7e468321c81fb07fa7f4c636c3972b9100f0346e5b6a9f2bd0603a52f7ed277"
-dependencies = [
- "curve25519-dalek",
- "rand_core",
- "serde",
- "zeroize",
-]
-
-[[package]]
-name = "zeroize"
-version = "1.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
-dependencies = [
- "zeroize_derive",
-]
-
-[[package]]
-name = "zeroize_derive"
-version = "1.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
diff --git a/Cargo.toml b/Cargo.toml
index 23c1b03..6ede4c9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,5 +6,4 @@ edition = "2021"
 [dependencies]
 colog = "1.3.0"
 log = "0.4.22"
-tokio = { version = "1.41.1", features = ["full"] }
-x25519-dalek = "2.0.1"
+tokio = { version = "1.41.1", features = ["full"] }
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 1916a7d..01b7729 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,56 +1,70 @@
-use log::{debug, error, info, trace, warn};
-use std::env::args;
-use std::net::{TcpListener, TcpStream};
-
-#[derive(Debug)]
-struct Settings {
-    host: String,
-    port: String,
-}
-
-impl Settings {
-    fn new(args: &[String]) -> Result<Settings, &'static str> {
-        if args.len() < 4 {
-            return Err("not enough arguments");
-        }
-
-        let port = args[2].clone();
-        let host = args[4].clone();
-
-        Ok(Settings { host, port })
-    }
-
-    fn get_full_host(&self) -> String {
-        format!("{}:{}", self.host, self.port)
-    }
-}
-
-async fn handle_client(mut stream: TcpStream) {
-    info!("Connected to {}", stream.peer_addr().unwrap());
-    stream.set_nodelay(true).unwrap();
-
-    loop {
-        
-    }
-}
+// main.rs
+use colog;
+use log::info;
+use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader};
+use tokio::net::{TcpListener, TcpStream};
+use tokio::sync::broadcast;
 
 #[tokio::main]
 async fn main() {
+    // Initialize the logger
     colog::init();
-    info!("Starting...");
-    let args: Vec<String> = args().collect();
-    let settings = Settings::new(&args).unwrap();
-    info!("Server Address: {}:{}", settings.host, settings.port);
-    info!("Starting to listen to connections...");
-    let listener = TcpListener::bind(Settings::get_full_host(&settings)).unwrap();
-    match listener.accept() {
-        Ok((socket, _)) => {
-            tokio::spawn(async move {
-                handle_client(socket).await;
-            });
-        }
-        Err(e) => {
-            error!("Something went wrong {}", e);
-        }
+
+    // Bind a TCP listener to accept incoming connections
+    let listener = TcpListener::bind("0.0.0.0:8080").await.unwrap();
+    info!("Server running on port 8080");
+
+    // Create a broadcast channel for sharing messages
+    let (tx, _) = broadcast::channel(100);
+
+    loop {
+        // Accept a new client
+        let (socket, addr) = listener.accept().await.unwrap();
+        info!("Client connected: {}", addr);
+
+        let tx = tx.clone();
+        let rx = tx.subscribe();
+
+        // Handle the client in a new task
+        tokio::spawn(async move {
+            handle_client(socket, tx, rx).await;
+        });
     }
 }
+
+async fn handle_client(
+    socket: TcpStream,
+    tx: broadcast::Sender<String>,
+    mut rx: broadcast::Receiver<String>,
+) {
+    let (reader, mut writer) = socket.into_split();
+    let mut reader = BufReader::new(reader);
+    let mut line = String::new();
+
+    // Task for reading messages from the client
+    let mut read_task = tokio::spawn(async move {
+        loop {
+            line.clear();
+            let bytes_read = reader.read_line(&mut line).await.unwrap();
+            if bytes_read == 0 {
+                break;
+            }
+            tx.send(line.clone()).unwrap();
+        }
+    });
+
+    // Task for sending messages to the client
+    let mut write_task = tokio::spawn(async move {
+        while let Ok(msg) = rx.recv().await {
+            writer.write_all(msg.as_bytes()).await.unwrap();
+        }
+    });
+
+    // Wait for both tasks to complete
+    tokio::select! {
+        _ = &mut read_task => (),
+        _ = &mut write_task => (),
+    }
+
+    info!("Client disconnected");
+}

From 240e52e3e7eb20ac8fc9fe281b42b69bcb68c8e0 Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Fri, 29 Nov 2024 20:26:23 +0100
Subject: [PATCH 04/18] Add configuration file and enhance client functionality
 with encryption

---
 .vscode/settings.json |  22 ++
 Cargo.lock            | 740 +++++++++++++++++++-----------------------
 Cargo.toml            |  11 +-
 config.toml           |   1 +
 src/main.rs           | 183 ++++++++---
 5 files changed, 512 insertions(+), 445 deletions(-)
 create mode 100644 .vscode/settings.json
 create mode 100644 config.toml

diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..b92839d
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,22 @@
+{
+    "workbench.colorCustomizations": {
+        "activityBar.activeBackground": "#65c89b",
+        "activityBar.background": "#65c89b",
+        "activityBar.foreground": "#15202b",
+        "activityBar.inactiveForeground": "#15202b99",
+        "activityBarBadge.background": "#945bc4",
+        "activityBarBadge.foreground": "#e7e7e7",
+        "commandCenter.border": "#15202b99",
+        "sash.hoverBorder": "#65c89b",
+        "statusBar.background": "#42b883",
+        "statusBar.foreground": "#15202b",
+        "statusBarItem.hoverBackground": "#359268",
+        "statusBarItem.remoteBackground": "#42b883",
+        "statusBarItem.remoteForeground": "#15202b",
+        "titleBar.activeBackground": "#42b883",
+        "titleBar.activeForeground": "#15202b",
+        "titleBar.inactiveBackground": "#42b88399",
+        "titleBar.inactiveForeground": "#15202b99"
+    },
+    "peacock.color": "#42b883"
+}
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index c7e333a..68ce80c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -17,6 +17,41 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
 
+[[package]]
+name = "aead"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d122413f284cf2d62fb1b7db97e02edb8cda96d769b16e443a4f6195e35662b0"
+dependencies = [
+ "crypto-common",
+ "generic-array",
+]
+
+[[package]]
+name = "aes"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b169f7a6d4742236a0a00c541b845991d0ac43e546831af1249753ab4c3aa3a0"
+dependencies = [
+ "cfg-if",
+ "cipher",
+ "cpufeatures",
+]
+
+[[package]]
+name = "aes-gcm"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "831010a0f742e1209b3bcea8fab6a8e149051ba6099432c8cb2cc117dec3ead1"
+dependencies = [
+ "aead",
+ "aes",
+ "cipher",
+ "ctr",
+ "ghash",
+ "subtle",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.3"
@@ -26,12 +61,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "allocator-api2"
-version = "0.2.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45862d1c77f2228b9e10bc609d5bc203d86ebc9b87ad8d5d5167a6c9abf739d9"
-
 [[package]]
 name = "anstream"
 version = "0.6.18"
@@ -102,33 +131,30 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "base64"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
+
 [[package]]
 name = "bitflags"
 version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes"
 version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ac0150caa2ae65ca5bd83f25c7de183dea78d4d366469f148435e2acfbad0da"
 
-[[package]]
-name = "cassowary"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df8670b8c7b9dae1793364eafadf7239c40d669904660c5960d74cfd80b46a53"
-
-[[package]]
-name = "castaway"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0abae9be0aaf9ea96a3b1b8b1b55c602ca751eba1b1500220cea4ecbafe7c0d5"
-dependencies = [
- "rustversion",
-]
-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -139,13 +165,28 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 name = "chatclient"
 version = "0.1.0"
 dependencies = [
+ "aes-gcm",
+ "base64",
  "colog",
- "crossterm",
- "futures",
+ "crypto",
  "log",
- "ratatui",
+ "rand",
+ "rand_core",
+ "serde",
  "tokio",
  "tokio-util",
+ "toml",
+ "x25519-dalek",
+]
+
+[[package]]
+name = "cipher"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
+dependencies = [
+ "crypto-common",
+ "inout",
 ]
 
 [[package]]
@@ -176,91 +217,69 @@ dependencies = [
 ]
 
 [[package]]
-name = "compact_str"
-version = "0.8.0"
+name = "cpufeatures"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6050c3a16ddab2e412160b31f2c871015704239bca62f72f6e5f0be631d3f644"
+checksum = "16b80225097f2e5ae4e7179dd2266824648f3e2f49d9134d584b76389d31c4c3"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "crypto"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf1e6e5492f8f0830c37f301f6349e0dac8b2466e4fe89eef90e9eef906cd046"
+dependencies = [
+ "crypto-common",
+]
+
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "rand_core",
+ "typenum",
+]
+
+[[package]]
+name = "ctr"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0369ee1ad671834580515889b80f2ea915f23b8be8d0daa4bbaf2ac5c7590835"
+dependencies = [
+ "cipher",
+]
+
+[[package]]
+name = "curve25519-dalek"
+version = "4.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97fb8b7c4503de7d6ae7b42ab72a5a59857b4c937ec27a3d4539dba95b5ab2be"
 dependencies = [
- "castaway",
  "cfg-if",
- "itoa",
- "rustversion",
- "ryu",
- "static_assertions",
+ "cpufeatures",
+ "curve25519-dalek-derive",
+ "fiat-crypto",
+ "rustc_version",
+ "subtle",
+ "zeroize",
 ]
 
 [[package]]
-name = "crossterm"
-version = "0.28.1"
+name = "curve25519-dalek-derive"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "829d955a0bb380ef178a640b91779e3987da38c9aea133b20614cfed8cdea9c6"
+checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
 dependencies = [
- "bitflags",
- "crossterm_winapi",
- "mio",
- "parking_lot",
- "rustix",
- "signal-hook",
- "signal-hook-mio",
- "winapi",
-]
-
-[[package]]
-name = "crossterm_winapi"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "acdd7c62a3665c7f6830a51635d9ac9b23ed385797f70a83bb8bafe9c572ab2b"
-dependencies = [
- "winapi",
-]
-
-[[package]]
-name = "darling"
-version = "0.20.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f63b86c8a8826a49b8c21f08a2d07338eec8d900540f8630dc76284be802989"
-dependencies = [
- "darling_core",
- "darling_macro",
-]
-
-[[package]]
-name = "darling_core"
-version = "0.20.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95133861a8032aaea082871032f5815eb9e98cef03fa916ab4500513994df9e5"
-dependencies = [
- "fnv",
- "ident_case",
  "proc-macro2",
  "quote",
- "strsim",
  "syn",
 ]
 
-[[package]]
-name = "darling_macro"
-version = "0.20.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d336a2a514f6ccccaa3e09b02d41d35330c07ddf03a62165fcec10bb561c7806"
-dependencies = [
- "darling_core",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "diff"
-version = "0.1.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
-
-[[package]]
-name = "either"
-version = "1.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
-
 [[package]]
 name = "env_filter"
 version = "0.1.2"
@@ -291,51 +310,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
 [[package]]
-name = "errno"
-version = "0.3.9"
+name = "fiat-crypto"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "534c5cf6194dfab3db3242765c03bbe257cf92f22b38f6bc0c58d59108a820ba"
-dependencies = [
- "libc",
- "windows-sys 0.52.0",
-]
-
-[[package]]
-name = "fnv"
-version = "1.0.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
-
-[[package]]
-name = "foldhash"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f81ec6369c545a7d40e4589b5597581fa1c441fe1cce96dd1de43159910a36a2"
-
-[[package]]
-name = "futures"
-version = "0.3.31"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876"
-dependencies = [
- "futures-channel",
- "futures-core",
- "futures-executor",
- "futures-io",
- "futures-sink",
- "futures-task",
- "futures-util",
-]
-
-[[package]]
-name = "futures-channel"
-version = "0.3.31"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dff15bf788c671c1934e366d07e30c1814a8ef514e1af724a602e8a2fbe1b10"
-dependencies = [
- "futures-core",
- "futures-sink",
-]
+checksum = "28dea519a9695b9977216879a3ebfddf92f1c08c05d984f8996aecd6ecdc811d"
 
 [[package]]
 name = "futures-core"
@@ -343,34 +321,6 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e"
 
-[[package]]
-name = "futures-executor"
-version = "0.3.31"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e28d1d997f585e54aebc3f97d39e72338912123a67330d723fdbb564d646c9f"
-dependencies = [
- "futures-core",
- "futures-task",
- "futures-util",
-]
-
-[[package]]
-name = "futures-io"
-version = "0.3.31"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6"
-
-[[package]]
-name = "futures-macro"
-version = "0.3.31"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "futures-sink"
 version = "0.3.31"
@@ -378,27 +328,34 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e575fab7d1e0dcb8d0c7bcf9a63ee213816ab51902e6d244a95819acacf1d4f7"
 
 [[package]]
-name = "futures-task"
-version = "0.3.31"
+name = "generic-array"
+version = "0.14.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f90f7dce0722e95104fcb095585910c0977252f286e354b5e3bd38902cd99988"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
 
 [[package]]
-name = "futures-util"
-version = "0.3.31"
+name = "getrandom"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fa08315bb612088cc391249efdc3bc77536f16c91f6cf495e6fbe85b20a4a81"
+checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
 dependencies = [
- "futures-channel",
- "futures-core",
- "futures-io",
- "futures-macro",
- "futures-sink",
- "futures-task",
- "memchr",
- "pin-project-lite",
- "pin-utils",
- "slab",
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
+[[package]]
+name = "ghash"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0d8a4362ccb29cb0b265253fb0a2728f592895ee6854fd9bc13f2ffda266ff1"
+dependencies = [
+ "opaque-debug",
+ "polyval",
 ]
 
 [[package]]
@@ -412,17 +369,6 @@ name = "hashbrown"
 version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
-dependencies = [
- "allocator-api2",
- "equivalent",
- "foldhash",
-]
-
-[[package]]
-name = "heck"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
 [[package]]
 name = "hermit-abi"
@@ -437,29 +383,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
 [[package]]
-name = "ident_case"
-version = "1.0.1"
+name = "indexmap"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
-
-[[package]]
-name = "indoc"
-version = "2.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b248f5224d1d606005e02c97f5aa4e88eeb230488bcc03bc9ca4d7991399f2b5"
-
-[[package]]
-name = "instability"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b829f37dead9dc39df40c2d3376c179fdfd2ac771f53f55d3c30dc096a3c0c6e"
+checksum = "707907fe3c25f5424cce2cb7e1cbcafee6bdbe735ca90ef77c29e84591e5b9da"
 dependencies = [
- "darling",
- "indoc",
- "pretty_assertions",
- "proc-macro2",
- "quote",
- "syn",
+ "equivalent",
+ "hashbrown",
+]
+
+[[package]]
+name = "inout"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
+dependencies = [
+ "generic-array",
 ]
 
 [[package]]
@@ -468,21 +407,6 @@ version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
-[[package]]
-name = "itertools"
-version = "0.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
-dependencies = [
- "either",
-]
-
-[[package]]
-name = "itoa"
-version = "1.0.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "540654e97a3f4470a492cd30ff187bc95d89557a903a2bbf112e2fae98104ef2"
-
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -495,12 +419,6 @@ version = "0.2.164"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "433bfe06b8c75da9b2e3fbea6e5329ff87748f0b144ef75306e674c3f6f7c13f"
 
-[[package]]
-name = "linux-raw-sys"
-version = "0.4.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
-
 [[package]]
 name = "lock_api"
 version = "0.4.12"
@@ -517,15 +435,6 @@ version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
-[[package]]
-name = "lru"
-version = "0.12.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "234cf4f4a04dc1f57e24b96cc0cd600cf2af460d4161ac5ecdd0af8e1f3b2a38"
-dependencies = [
- "hashbrown",
-]
-
 [[package]]
 name = "memchr"
 version = "2.7.4"
@@ -549,7 +458,6 @@ checksum = "80e04d1dcff3aae0704555fe5fee3bcfaf3d1fdf8a7e521d5b9d2b42acb52cec"
 dependencies = [
  "hermit-abi",
  "libc",
- "log",
  "wasi",
  "windows-sys 0.52.0",
 ]
@@ -563,6 +471,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "opaque-debug"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
+
 [[package]]
 name = "parking_lot"
 version = "0.12.3"
@@ -586,12 +500,6 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
-[[package]]
-name = "paste"
-version = "1.0.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
-
 [[package]]
 name = "pin-project-lite"
 version = "0.2.15"
@@ -599,19 +507,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "915a1e146535de9163f3987b8944ed8cf49a18bb0056bcebcdcece385cece4ff"
 
 [[package]]
-name = "pin-utils"
-version = "0.1.0"
+name = "polyval"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+checksum = "9d1fe60d06143b2430aa532c94cfe9e29783047f06c0d7fd359a9a51b729fa25"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "opaque-debug",
+ "universal-hash",
+]
 
 [[package]]
-name = "pretty_assertions"
-version = "1.4.1"
+name = "ppv-lite86"
+version = "0.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ae130e2f271fbc2ac3a40fb1d07180839cdbbe443c7a27e1e3c13c5cac0116d"
+checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
 dependencies = [
- "diff",
- "yansi",
+ "zerocopy",
 ]
 
 [[package]]
@@ -633,24 +546,33 @@ dependencies = [
 ]
 
 [[package]]
-name = "ratatui"
-version = "0.29.0"
+name = "rand"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eabd94c2f37801c20583fc49dd5cd6b0ba68c716787c2dd6ed18571e1e63117b"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
- "bitflags",
- "cassowary",
- "compact_str",
- "crossterm",
- "indoc",
- "instability",
- "itertools",
- "lru",
- "paste",
- "strum",
- "unicode-segmentation",
- "unicode-truncate",
- "unicode-width 0.2.0",
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
 ]
 
 [[package]]
@@ -698,30 +620,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
 
 [[package]]
-name = "rustix"
-version = "0.38.41"
+name = "rustc_version"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7f649912bc1495e167a6edee79151c84b1bad49748cb4f1f1167f459f6224f6"
+checksum = "cfcb3a22ef46e85b45de6ee7e79d063319ebb6594faafcf1c225ea92ab6e9b92"
 dependencies = [
- "bitflags",
- "errno",
- "libc",
- "linux-raw-sys",
- "windows-sys 0.52.0",
+ "semver",
 ]
 
-[[package]]
-name = "rustversion"
-version = "1.0.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e819f2bc632f285be6d7cd36e25940d45b2391dd6d9b939e79de557f7014248"
-
-[[package]]
-name = "ryu"
-version = "1.0.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
-
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -729,24 +635,38 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
-name = "signal-hook"
-version = "0.3.17"
+name = "semver"
+version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8621587d4798caf8eb44879d42e56b9a93ea5dcd315a6487c357130095b62801"
+checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
+
+[[package]]
+name = "serde"
+version = "1.0.215"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6513c1ad0b11a9376da888e3e0baa0077f1aed55c17f50e7b2397136129fb88f"
 dependencies = [
- "libc",
- "signal-hook-registry",
+ "serde_derive",
 ]
 
 [[package]]
-name = "signal-hook-mio"
-version = "0.2.4"
+name = "serde_derive"
+version = "1.0.215"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34db1a06d485c9142248b7a054f034b349b212551f3dfd19c94d45a754a217cd"
+checksum = "ad1e866f866923f252f05c889987993144fb74e722403468a4ebd70c3cd756c0"
 dependencies = [
- "libc",
- "mio",
- "signal-hook",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_spanned"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87607cb1398ed59d48732e575a4c28a7a8ebf2454b964fe3f224f2afc07909e1"
+dependencies = [
+ "serde",
 ]
 
 [[package]]
@@ -758,15 +678,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "slab"
-version = "0.4.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f92a496fb766b417c996b9c5e57daf2f7ad3b0bebe1ccfca4856390e3d3bb67"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "smallvec"
 version = "1.13.2"
@@ -784,38 +695,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "static_assertions"
-version = "1.1.0"
+name = "subtle"
+version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
-
-[[package]]
-name = "strsim"
-version = "0.11.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
-
-[[package]]
-name = "strum"
-version = "0.26.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fec0f0aef304996cf250b31b5a10dee7980c85da9d759361292b8bca5a18f06"
-dependencies = [
- "strum_macros",
-]
-
-[[package]]
-name = "strum_macros"
-version = "0.26.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c6bee85a5a24955dc440386795aa378cd9cf82acd5f764469152d2270e581be"
-dependencies = [
- "heck",
- "proc-macro2",
- "quote",
- "rustversion",
- "syn",
-]
+checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "syn"
@@ -870,6 +753,46 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "toml"
+version = "0.8.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1ed1f98e3fdc28d6d910e6737ae6ab1a93bf1985935a1193e68f93eeb68d24e"
+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.22.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ae48d6208a266e853d946088ed816055e556cc6028c5e8e2b84d9fa5dd7c7f5"
+dependencies = [
+ "indexmap",
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "winnow",
+]
+
+[[package]]
+name = "typenum"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.14"
@@ -877,68 +800,33 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
 
 [[package]]
-name = "unicode-segmentation"
-version = "1.12.0"
+name = "universal-hash"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
-
-[[package]]
-name = "unicode-truncate"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3644627a5af5fa321c95b9b235a72fd24cd29c648c2c379431e6628655627bf"
+checksum = "fc1de2c688dc15305988b563c3854064043356019f97a4b46276fe734c4f07ea"
 dependencies = [
- "itertools",
- "unicode-segmentation",
- "unicode-width 0.1.14",
+ "crypto-common",
+ "subtle",
 ]
 
-[[package]]
-name = "unicode-width"
-version = "0.1.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
-
-[[package]]
-name = "unicode-width"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fc81956842c57dac11422a97c3b8195a1ff727f06e85c84ed2e8aa277c9a0fd"
-
 [[package]]
 name = "utf8parse"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
-[[package]]
-name = "winapi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
@@ -1088,7 +976,63 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
 [[package]]
-name = "yansi"
-version = "1.0.1"
+name = "winnow"
+version = "0.6.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfe53a6657fd280eaa890a3bc59152892ffa3e30101319d168b781ed6529b049"
+checksum = "36c1fec1a2bb5866f07c25f68c26e565c4c200aebb96d7e55710c19d3e8ac49b"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "x25519-dalek"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7e468321c81fb07fa7f4c636c3972b9100f0346e5b6a9f2bd0603a52f7ed277"
+dependencies = [
+ "curve25519-dalek",
+ "rand_core",
+ "serde",
+ "zeroize",
+]
+
+[[package]]
+name = "zerocopy"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
+dependencies = [
+ "byteorder",
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
+dependencies = [
+ "zeroize_derive",
+]
+
+[[package]]
+name = "zeroize_derive"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/Cargo.toml b/Cargo.toml
index c98677e..17aa54c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,9 +5,14 @@ edition = "2021"
 
 [dependencies]
 colog = "1.3.0"
-crossterm = "0.28.1"
-futures = "0.3.31"
 log = "0.4.22"
-ratatui = "0.29.0"
 tokio = { version = "1.41.1", features = ["full"] }
 tokio-util = { version = "0.7.12", features = ["codec"] }
+serde = { version="1.0", features=["derive"] }
+toml = "0.8.19"
+x25519-dalek = "2.0.0-rc.3"
+aes-gcm = "0.10.3"
+rand = "0.8.5"
+rand_core = "0.6.4"
+crypto = "0.5.1"
+base64 = "0.21"
diff --git a/config.toml b/config.toml
new file mode 100644
index 0000000..a67bf90
--- /dev/null
+++ b/config.toml
@@ -0,0 +1 @@
+ip = '127.0.0.1'
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 194172f..de55e38 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,65 +1,160 @@
-use futures::{SinkExt, StreamExt};
-use log::info;
+use aes_gcm::{
+    aead::{Aead, KeyInit, OsRng},
+    Aes256Gcm, Key, Nonce,
+};
+use base64::{engine::general_purpose::STANDARD as BASE64, Engine as _};
+use colog;
+use log::{error, info, warn};
+use serde::Deserialize;
+use std::fs;
+use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
 use tokio::net::TcpStream;
-use tokio::sync::mpsc;
-use tokio_util::codec::{Framed, LinesCodec};
+use x25519_dalek::{EphemeralSecret, PublicKey};
+
+#[derive(Deserialize)]
+struct Config {
+    ip: String,
+    port: Option<u16>,
+}
 
 #[tokio::main]
 async fn main() {
     colog::init();
 
-    info!("Client");
-    info!("Enter Server Address");
-    let addr: String = read_string();
-    info!("Server address: {}", &addr);
+    let contents =
+        fs::read_to_string("config.toml").expect("Should have been able to read the file");
+    let config: Config =
+        toml::from_str(&contents).expect("Should have been able to parse the file");
 
-    let stream = TcpStream::connect(addr)
+    let port = config.port.unwrap_or(8080);
+    info!("Connecting to server at {}:{}", config.ip, port);
+
+    // Connect to the server
+    let stream = TcpStream::connect(format!("{}:{}", config.ip, port))
         .await
-        .expect("Could not connect to server");
+        .unwrap();
 
-    info!("Connected to server");
+    let (reader, mut writer) = stream.into_split();
+    let mut reader = BufReader::new(reader);
 
-    let (tx, mut rx) = mpsc::channel::<String>(32);
-    let mut frame = Framed::new(stream, LinesCodec::new());
+    info!("Generating the Keys");
+
+    let client_secret = EphemeralSecret::random_from_rng(OsRng);
+    let client_public = PublicKey::from(&client_secret);
+
+    writer.write_all(client_public.as_bytes()).await.unwrap();
+
+    let mut server_public_bytes = [0u8; 32];
+    reader.read_exact(&mut server_public_bytes).await.unwrap();
+
+    let server_public = PublicKey::from(server_public_bytes);
+    let shared_secret = client_secret.diffie_hellman(&server_public);
+
+    info!("Shared Secret: {:?}", shared_secret.as_bytes());
+    info!("Server public key: {:?}", server_public.as_bytes());
+
+    let key = Key::<Aes256Gcm>::from_slice(shared_secret.as_bytes());
+    let cipher_reader = Aes256Gcm::new(&key);
+    let cipher_writer = Aes256Gcm::new(&key);
+    let nonce_reader = Nonce::from_slice(b"unique nonce"); // 96-bits; fixed nonce
+    let nonce_writer = nonce_reader.clone();
+
+    warn!("Nonce: {:?}", nonce_reader);
+    info!("Starting the chat");
+
+    // Task for sending user input to the server
+    let send_task = tokio::spawn(async move {
+        let stdin = tokio::io::stdin();
+        let mut stdin_reader = BufReader::new(stdin);
+        let mut input = String::new();
 
-    // Spawn a single task to handle both sending and receiving
-    let network_task = tokio::spawn(async move {
         loop {
-            tokio::select! {
-                Some(Ok(line)) = frame.next() => {
-                    info!("Received: {}", line);
+            input.clear();
+            print!("Enter message: ");
+            tokio::io::stdout().flush().await.unwrap();
+
+            stdin_reader.read_line(&mut input).await.unwrap();
+
+            if input.trim().is_empty() {
+                continue;
+            }
+
+            if input.trim() == "/quit" {
+                info!("Disconnecting from server");
+                break;
+            }
+
+            // Encrypt the input
+            let encrypted = match cipher_writer.encrypt(&nonce_writer, input.trim().as_bytes()) {
+                Ok(encrypted) => encrypted,
+                Err(e) => {
+                    error!("Encryption error: {}", e);
+                    continue;
                 }
-                Some(message) = rx.recv() => {
-                    if let Err(e) = frame.send(message).await {
-                        info!("Failed to send message: {}", e);
-                        break;
-                    }
-                }
-                else => break,
+            };
+
+            let encoded = BASE64.encode(&encrypted);
+
+            if let Err(e) = writer.write_all((encoded + "\n").as_bytes()).await {
+                error!("Failed to send message: {}", e);
+                break;
             }
         }
     });
 
-    // Main loop for reading user input
-    loop {
-        info!("Enter message to send:");
-        let message = read_string();
-        if let Err(e) = tx.send(message).await {
-            info!("Failed to send to channel: {}", e);
-            break;
+    // Task for receiving messages from the server
+    let receive_task = tokio::spawn(async move {
+        let mut line = String::new();
+        loop {
+            line.clear();
+            match reader.read_line(&mut line).await {
+                Ok(0) => {
+                    // Server closed connection
+                    info!("\nServer disconnected");
+                    break;
+                }
+                Ok(_) => {
+                    let decoded = match BASE64.decode(line.trim()) {
+                        Ok(decoded) => decoded,
+                        Err(e) => {
+                            error!("Base64 decode error: {}", e);
+                            continue;
+                        }
+                    };
+
+                    let decrypted = match cipher_reader.decrypt(&nonce_reader, &*decoded) {
+                        Ok(decrypted) => decrypted,
+                        Err(e) => {
+                            error!("Decryption error: {}", e);
+                            continue;
+                        }
+                    };
+
+                    let message = match String::from_utf8(decrypted) {
+                        Ok(msg) => msg,
+                        Err(e) => {
+                            error!("UTF-8 conversion error: {}", e);
+                            continue;
+                        }
+                    };
+
+                    info!("\nReceived: {}", message.trim());
+                    info!("Enter message: ");
+                    tokio::io::stdout().flush().await.unwrap();
+                }
+                Err(e) => {
+                    error!("Error reading from server: {}", e);
+                    break;
+                }
+            }
         }
+    });
+
+    // Wait for tasks to complete
+    tokio::select! {
+        _ = send_task => (),
+        _ = receive_task => (),
     }
 
-    // Wait for the network and heartbeat tasks to complete
-    if let Err(e) = network_task.await {
-        info!("Network task failed: {}", e);
-    }
-}
-
-fn read_string() -> String {
-    let mut input = String::new();
-    std::io::stdin()
-        .read_line(&mut input)
-        .expect("can not read user input");
-    input.trim().to_string()
+    info!("Client exiting");
 }

From 07b996941612fce93d790485644997f19b7b4d2c Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Fri, 29 Nov 2024 20:31:22 +0100
Subject: [PATCH 05/18] Add encryption and decryption using AES-GCM and X25519
 for secure client communication

---
 Cargo.lock  | 346 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml  |   8 +-
 src/main.rs | 129 +++++++++++++++++---
 3 files changed, 464 insertions(+), 19 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 80bbb41..249f08a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,41 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
 
+[[package]]
+name = "aead"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d122413f284cf2d62fb1b7db97e02edb8cda96d769b16e443a4f6195e35662b0"
+dependencies = [
+ "crypto-common",
+ "generic-array",
+]
+
+[[package]]
+name = "aes"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b169f7a6d4742236a0a00c541b845991d0ac43e546831af1249753ab4c3aa3a0"
+dependencies = [
+ "cfg-if",
+ "cipher",
+ "cpufeatures",
+]
+
+[[package]]
+name = "aes-gcm"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "831010a0f742e1209b3bcea8fab6a8e149051ba6099432c8cb2cc117dec3ead1"
+dependencies = [
+ "aead",
+ "aes",
+ "cipher",
+ "ctr",
+ "ghash",
+ "subtle",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.3"
@@ -96,12 +131,24 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "base64"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
+
 [[package]]
 name = "bitflags"
 version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes"
 version = "1.8.0"
@@ -118,9 +165,25 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 name = "chatserver"
 version = "0.1.0"
 dependencies = [
+ "aes-gcm",
+ "base64",
  "colog",
+ "crypto",
  "log",
+ "rand",
+ "rand_core",
  "tokio",
+ "x25519-dalek",
+]
+
+[[package]]
+name = "cipher"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
+dependencies = [
+ "crypto-common",
+ "inout",
 ]
 
 [[package]]
@@ -150,6 +213,70 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16b80225097f2e5ae4e7179dd2266824648f3e2f49d9134d584b76389d31c4c3"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "crypto"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf1e6e5492f8f0830c37f301f6349e0dac8b2466e4fe89eef90e9eef906cd046"
+dependencies = [
+ "crypto-common",
+]
+
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "rand_core",
+ "typenum",
+]
+
+[[package]]
+name = "ctr"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0369ee1ad671834580515889b80f2ea915f23b8be8d0daa4bbaf2ac5c7590835"
+dependencies = [
+ "cipher",
+]
+
+[[package]]
+name = "curve25519-dalek"
+version = "4.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97fb8b7c4503de7d6ae7b42ab72a5a59857b4c937ec27a3d4539dba95b5ab2be"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "curve25519-dalek-derive",
+ "fiat-crypto",
+ "rustc_version",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "curve25519-dalek-derive"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "env_filter"
 version = "0.1.2"
@@ -173,6 +300,43 @@ dependencies = [
  "log",
 ]
 
+[[package]]
+name = "fiat-crypto"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28dea519a9695b9977216879a3ebfddf92f1c08c05d984f8996aecd6ecdc811d"
+
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
+[[package]]
+name = "ghash"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0d8a4362ccb29cb0b265253fb0a2728f592895ee6854fd9bc13f2ffda266ff1"
+dependencies = [
+ "opaque-debug",
+ "polyval",
+]
+
 [[package]]
 name = "gimli"
 version = "0.31.1"
@@ -191,6 +355,15 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
+[[package]]
+name = "inout"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.1"
@@ -261,6 +434,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "opaque-debug"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
+
 [[package]]
 name = "parking_lot"
 version = "0.12.3"
@@ -290,6 +469,27 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "915a1e146535de9163f3987b8944ed8cf49a18bb0056bcebcdcece385cece4ff"
 
+[[package]]
+name = "polyval"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d1fe60d06143b2430aa532c94cfe9e29783047f06c0d7fd359a9a51b729fa25"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "opaque-debug",
+ "universal-hash",
+]
+
+[[package]]
+name = "ppv-lite86"
+version = "0.2.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
+dependencies = [
+ "zerocopy",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.92"
@@ -308,6 +508,36 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.5.7"
@@ -352,12 +582,47 @@ version = "0.1.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
 
+[[package]]
+name = "rustc_version"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cfcb3a22ef46e85b45de6ee7e79d063319ebb6594faafcf1c225ea92ab6e9b92"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
+[[package]]
+name = "semver"
+version = "1.0.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
+
+[[package]]
+name = "serde"
+version = "1.0.215"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6513c1ad0b11a9376da888e3e0baa0077f1aed55c17f50e7b2397136129fb88f"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.215"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad1e866f866923f252f05c889987993144fb74e722403468a4ebd70c3cd756c0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.2"
@@ -383,6 +648,12 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "subtle"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
+
 [[package]]
 name = "syn"
 version = "2.0.89"
@@ -423,18 +694,40 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "typenum"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
 
+[[package]]
+name = "universal-hash"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc1de2c688dc15305988b563c3854064043356019f97a4b46276fe734c4f07ea"
+dependencies = [
+ "crypto-common",
+ "subtle",
+]
+
 [[package]]
 name = "utf8parse"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -588,3 +881,56 @@ name = "windows_x86_64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "x25519-dalek"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7e468321c81fb07fa7f4c636c3972b9100f0346e5b6a9f2bd0603a52f7ed277"
+dependencies = [
+ "curve25519-dalek",
+ "rand_core",
+ "serde",
+ "zeroize",
+]
+
+[[package]]
+name = "zerocopy"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
+dependencies = [
+ "byteorder",
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
+dependencies = [
+ "zeroize_derive",
+]
+
+[[package]]
+name = "zeroize_derive"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 6ede4c9..2092a1e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,4 +6,10 @@ edition = "2021"
 [dependencies]
 colog = "1.3.0"
 log = "0.4.22"
-tokio = { version = "1.41.1", features = ["full"] }
\ No newline at end of file
+tokio = { version = "1.41.1", features = ["full"] }
+x25519-dalek = "2.0.0-rc.3"
+aes-gcm = "0.10.3"
+rand = "0.8.5"
+rand_core = "0.6.4"
+crypto = "0.5.1"
+base64 = "0.21"
diff --git a/src/main.rs b/src/main.rs
index 01b7729..a68c51e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,9 +1,14 @@
-// main.rs
+use aes_gcm::{
+    aead::{Aead, KeyInit, OsRng},
+    Aes256Gcm, Key, Nonce,
+};
+use base64::{engine::general_purpose::STANDARD as BASE64, Engine as _};
 use colog;
-use log::info;
-use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader};
+use log::{error, info};
+use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
 use tokio::net::{TcpListener, TcpStream};
 use tokio::sync::broadcast;
+use x25519_dalek::{EphemeralSecret, PublicKey};
 
 #[tokio::main]
 async fn main() {
@@ -27,7 +32,9 @@ async fn main() {
 
         // Handle the client in a new task
         tokio::spawn(async move {
-            handle_client(socket, tx, rx).await;
+            if let Err(e) = handle_client(socket, tx, rx).await {
+                error!("Error handling client: {}", e);
+            }
         });
     }
 }
@@ -36,35 +43,121 @@ async fn handle_client(
     socket: TcpStream,
     tx: broadcast::Sender<String>,
     mut rx: broadcast::Receiver<String>,
-) {
+) -> Result<(), Box<dyn std::error::Error>> {
     let (reader, mut writer) = socket.into_split();
     let mut reader = BufReader::new(reader);
     let mut line = String::new();
 
-    // Task for reading messages from the client
-    let mut read_task = tokio::spawn(async move {
+    let server_secret = EphemeralSecret::random_from_rng(OsRng);
+    let server_public = PublicKey::from(&server_secret);
+
+    // Send the server's public key to the client
+    writer.write_all(server_public.as_bytes()).await?;
+
+    // Receive the client's public key
+    let mut client_public_bytes = [0u8; 32];
+    reader.read_exact(&mut client_public_bytes).await?;
+    let client_public = PublicKey::from(client_public_bytes);
+
+    // Compute the shared secret
+    let shared_secret = server_secret.diffie_hellman(&client_public);
+
+    let key = Key::<Aes256Gcm>::from_slice(shared_secret.as_bytes());
+
+    let cipher_reader = Aes256Gcm::new(&key);
+    let cipher_writer = Aes256Gcm::new(&key);
+    let nonce_reader = Nonce::from_slice(b"unique nonce"); // 96-bits; fixed nonce
+    let nonce_writer = nonce_reader.clone();
+
+    // Read task for receiving messages from the client
+    let read_task = tokio::spawn(async move {
         loop {
             line.clear();
-            let bytes_read = reader.read_line(&mut line).await.unwrap();
-            if bytes_read == 0 {
-                break;
+            match reader.read_line(&mut line).await {
+                Ok(bytes_read) => {
+                    if bytes_read == 0 {
+                        info!("Client disconnected");
+                        break;
+                    }
+
+                    let decoded = match BASE64.decode(line.trim().as_bytes()) {
+                        Ok(decoded) => decoded,
+                        Err(e) => {
+                            error!("Base64 decode error: {:?}", e);
+                            continue;
+                        }
+                    };
+
+                    let decrypted = match cipher_reader.decrypt(&nonce_reader, decoded.as_ref()) {
+                        Ok(decrypted) => decrypted,
+                        Err(e) => {
+                            error!("Decryption error: {:?}", e);
+                            continue;
+                        }
+                    };
+
+                    let message = match String::from_utf8(decrypted) {
+                        Ok(msg) => msg,
+                        Err(e) => {
+                            error!("UTF-8 conversion error: {:?}", e);
+                            continue;
+                        }
+                    };
+
+                    info!("Received message: {}", message.trim());
+
+                    if message.trim() == "/quit" {
+                        info!("Client requested to quit");
+                        break;
+                    }
+
+                    // Broadcast the message to all clients
+                    match tx.send(message) {
+                        Ok(_) => info!("Message broadcast successfully"),
+                        Err(e) => {
+                            error!("Failed to broadcast message: {:?}", e);
+                            break;
+                        }
+                    }
+                }
+                Err(e) => {
+                    error!("Error reading from client: {:?}", e);
+                    break;
+                }
             }
-            tx.send(line.clone()).unwrap();
         }
     });
 
-    // Task for sending messages to the client
-    let mut write_task = tokio::spawn(async move {
+    // Write task for sending messages to the client
+    let write_task = tokio::spawn(async move {
         while let Ok(msg) = rx.recv().await {
-            writer.write_all(msg.as_bytes()).await.unwrap();
+            if !msg.is_empty() {
+                // Encrypt the message
+                let encrypted = match cipher_writer.encrypt(&nonce_writer, msg.as_bytes()) {
+                    Ok(encrypted) => encrypted,
+                    Err(e) => {
+                        error!("Encryption error: {:?}", e);
+                        continue;
+                    }
+                };
+
+                // Base64 encode the encrypted message
+                let encoded = BASE64.encode(&encrypted);
+
+                if let Err(e) = writer.write_all((encoded + "\n").as_bytes()).await {
+                    error!("Failed to send message: {:?}", e);
+                    break;
+                }
+            }
         }
     });
 
     // Wait for both tasks to complete
     tokio::select! {
-        _ = &mut read_task => (),
-        _ = &mut write_task => (),
+        _ = read_task => (),
+        _ = write_task => (),
     }
 
-    info!("Client disconnected");
-}
+    info!("Client handling completed");
+    Ok(())
+}
\ No newline at end of file

From 6761e43caecce90060de8d9c79eb53547a8ee1c2 Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Wed, 22 Jan 2025 11:22:30 +0100
Subject: [PATCH 06/18] Add configuration file and update main to load server
 settings

---
 Cargo.lock        |  76 ++++++++++++++++++++++
 Cargo.toml        |   2 +
 config.toml       |   2 +
 src/client/mod.rs | 157 ++++++++++++++++++++++++++++++++++++++++++++
 src/main.rs       | 162 +++++++++-------------------------------------
 5 files changed, 267 insertions(+), 132 deletions(-)
 create mode 100644 config.toml
 create mode 100644 src/client/mod.rs

diff --git a/Cargo.lock b/Cargo.lock
index 249f08a..2b0503b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -172,7 +172,9 @@ dependencies = [
  "log",
  "rand",
  "rand_core",
+ "serde",
  "tokio",
+ "toml",
  "x25519-dalek",
 ]
 
@@ -300,6 +302,12 @@ dependencies = [
  "log",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "fiat-crypto"
 version = "0.2.9"
@@ -343,6 +351,12 @@ version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
 
+[[package]]
+name = "hashbrown"
+version = "0.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
+
 [[package]]
 name = "hermit-abi"
 version = "0.3.9"
@@ -355,6 +369,16 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
+[[package]]
+name = "indexmap"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62f822373a4fe84d4bb149bf54e584a7f4abec90e072ed49cda0edea5b95471f"
+dependencies = [
+ "equivalent",
+ "hashbrown",
+]
+
 [[package]]
 name = "inout"
 version = "0.1.3"
@@ -623,6 +647,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_spanned"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87607cb1398ed59d48732e575a4c28a7a8ebf2454b964fe3f224f2afc07909e1"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.2"
@@ -694,6 +727,40 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "toml"
+version = "0.8.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1ed1f98e3fdc28d6d910e6737ae6ab1a93bf1985935a1193e68f93eeb68d24e"
+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.22.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ae48d6208a266e853d946088ed816055e556cc6028c5e8e2b84d9fa5dd7c7f5"
+dependencies = [
+ "indexmap",
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "winnow",
+]
+
 [[package]]
 name = "typenum"
 version = "1.17.0"
@@ -882,6 +949,15 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
+[[package]]
+name = "winnow"
+version = "0.6.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36c1fec1a2bb5866f07c25f68c26e565c4c200aebb96d7e55710c19d3e8ac49b"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "x25519-dalek"
 version = "2.0.1"
diff --git a/Cargo.toml b/Cargo.toml
index 2092a1e..39cbe66 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,3 +13,5 @@ rand = "0.8.5"
 rand_core = "0.6.4"
 crypto = "0.5.1"
 base64 = "0.21"
+serde = { version = "1.0", features = ["derive"] }
+toml = "0.8.19"
\ No newline at end of file
diff --git a/config.toml b/config.toml
new file mode 100644
index 0000000..41ae0ce
--- /dev/null
+++ b/config.toml
@@ -0,0 +1,2 @@
+address = "127.0.0.1"
+port = "25565"
\ No newline at end of file
diff --git a/src/client/mod.rs b/src/client/mod.rs
new file mode 100644
index 0000000..84830a3
--- /dev/null
+++ b/src/client/mod.rs
@@ -0,0 +1,157 @@
+pub(crate) mod handlers {
+    use aes_gcm::{
+        aead::{Aead, KeyInit, OsRng},
+        Aes256Gcm, Key, Nonce,
+    };
+
+    use base64::{engine::general_purpose::STANDARD as BASE64, Engine as _};
+    use log::{debug, error, info};
+    use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
+    use tokio::net::TcpStream;
+    use tokio::sync::broadcast;
+    use x25519_dalek::{EphemeralSecret, PublicKey};
+
+    pub async fn handle_client(
+        socket: TcpStream,
+        tx: broadcast::Sender<String>,
+        mut rx: broadcast::Receiver<String>,
+    ) -> Result<(), Box<dyn std::error::Error>> {
+        let (reader, mut writer) = socket.into_split();
+        let mut reader = BufReader::new(reader);
+        let mut line = String::new();
+
+        let server_secret = EphemeralSecret::random_from_rng(OsRng);
+        let server_public = PublicKey::from(&server_secret);
+
+        // Send the server's public key to the client
+        writer.write_all(server_public.as_bytes()).await?;
+
+        // Receive the client's public key
+        let mut client_public_bytes = [0u8; 32];
+        reader.read_exact(&mut client_public_bytes).await?;
+        let client_public = PublicKey::from(client_public_bytes);
+
+        // Compute the shared secret
+        let shared_secret = server_secret.diffie_hellman(&client_public);
+
+        let key = Key::<Aes256Gcm>::from_slice(shared_secret.as_bytes());
+
+        let cipher_reader = Aes256Gcm::new(&key);
+        let cipher_writer = Aes256Gcm::new(&key);
+        let nonce_reader = Nonce::from_slice(b"unique nonce"); // 96-bits; fixed nonce
+        let nonce_writer = nonce_reader.clone();
+
+        debug!("Reciving Username");
+
+        // Read the username from the client
+        line.clear();
+        reader.read_line(&mut line).await?;
+        let decoded = BASE64.decode(line.trim().as_bytes())?;
+        let decrypted = cipher_reader
+            .decrypt(&nonce_reader, decoded.as_ref())
+            .unwrap();
+        let username = String::from_utf8(decrypted)?;
+        let username_read = username.clone(); // Clone for read task
+        let username_write = username.clone(); // Clone for write task
+
+        // Read task for receiving messages from the client
+        let read_task = tokio::spawn(async move {
+            loop {
+                line.clear();
+                match reader.read_line(&mut line).await {
+                    Ok(bytes_read) => {
+                        if bytes_read == 0 {
+                            info!("Client disconnected");
+                            break;
+                        }
+
+                        let decoded = match BASE64.decode(line.trim().as_bytes()) {
+                            Ok(decoded) => decoded,
+                            Err(e) => {
+                                error!("Base64 decode error: {:?}", e);
+                                continue;
+                            }
+                        };
+
+                        let decrypted = match cipher_reader.decrypt(&nonce_reader, decoded.as_ref())
+                        {
+                            Ok(decrypted) => decrypted,
+                            Err(e) => {
+                                error!("Decryption error: {:?}", e);
+                                continue;
+                            }
+                        };
+
+                        let message = match String::from_utf8(decrypted) {
+                            Ok(msg) => msg,
+                            Err(e) => {
+                                error!("UTF-8 conversion error: {:?}", e);
+                                continue;
+                            }
+                        };
+
+                        info!(
+                            "Received message from {}: {}",
+                            username_read,
+                            message.trim()
+                        );
+
+                        if message.trim() == "/quit" {
+                            info!("Client requested to quit");
+                            break;
+                        }
+
+                        let formatted_message = format!("{}: {}", username_read, message.trim());
+
+                        // Broadcast the message to all clients
+                        match tx.send(formatted_message) {
+                            Ok(_) => info!("Message broadcast successfully"),
+                            Err(e) => {
+                                error!("Failed to broadcast message: {:?}", e);
+                                break;
+                            }
+                        }
+                    }
+                    Err(e) => {
+                        error!("Error reading from client: {:?}", e);
+                        break;
+                    }
+                }
+            }
+        });
+
+        // Write task for sending messages to the client
+        let write_task = tokio::spawn(async move {
+            while let Ok(msg) = rx.recv().await {
+                if !msg.is_empty() {
+                    // Encrypt the message with error handling
+                    let encrypted = match cipher_writer.encrypt(&nonce_writer, msg.as_bytes()) {
+                        Ok(encrypted) => encrypted,
+                        Err(e) => {
+                            error!("Encryption error: {:?}", e);
+                            continue;
+                        }
+                    };
+
+                    // Base64 encode and format with newline
+                    let message = format!("{}\n", BASE64.encode(&encrypted));
+
+                    // Write with proper error handling
+                    if let Err(e) = writer.write_all(message.as_bytes()).await {
+                        error!("Failed to send message: {:?}", e);
+                        break;
+                    }
+                }
+            }
+        });
+
+        // Wait for both tasks to complete
+        tokio::select! {
+            _ = read_task => (),
+            _ = write_task => (),
+        }
+
+        info!("Client handling completed");
+        Ok(())
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index a68c51e..5c1dabd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,22 +1,43 @@
-use aes_gcm::{
-    aead::{Aead, KeyInit, OsRng},
-    Aes256Gcm, Key, Nonce,
-};
-use base64::{engine::general_purpose::STANDARD as BASE64, Engine as _};
+mod client;
+use client::handlers::handle_client;
+
 use colog;
 use log::{error, info};
-use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
-use tokio::net::{TcpListener, TcpStream};
+use serde::Deserialize;
+use tokio::net::TcpListener;
 use tokio::sync::broadcast;
-use x25519_dalek::{EphemeralSecret, PublicKey};
+
+#[derive(Deserialize, Debug)]
+struct Config {
+    address: String,
+    port: String,
+}
 
 #[tokio::main]
 async fn main() {
     // Initialize the logger
     colog::init();
 
+    // Load the configuration from config file
+    let config = match std::fs::read_to_string("config.toml") {
+        Ok(config) => match toml::from_str::<Config>(&config) {
+            Ok(config) => config,
+            Err(e) => {
+                error!("Failed to parse config file: {:?}", e);
+                std::process::exit(1);
+            }
+        },
+        Err(e) => {
+            error!("Failed to read config file: {:?}", e);
+            std::process::exit(1);
+        }
+    };
+
+    info!("Configuration loaded: {:?}", config);
     // Bind a TCP listener to accept incoming connections
-    let listener = TcpListener::bind("0.0.0.0:8080").await.unwrap();
+    let listener = TcpListener::bind(config.address + ":" + config.port.as_str())
+        .await
+        .unwrap();
     info!("Server running on port 8080");
 
     // Create a broadcast channel for sharing messages
@@ -38,126 +59,3 @@ async fn main() {
         });
     }
 }
-
-async fn handle_client(
-    socket: TcpStream,
-    tx: broadcast::Sender<String>,
-    mut rx: broadcast::Receiver<String>,
-) -> Result<(), Box<dyn std::error::Error>> {
-    let (reader, mut writer) = socket.into_split();
-    let mut reader = BufReader::new(reader);
-    let mut line = String::new();
-
-    let server_secret = EphemeralSecret::random_from_rng(OsRng);
-    let server_public = PublicKey::from(&server_secret);
-
-    // Send the server's public key to the client
-    writer.write_all(server_public.as_bytes()).await?;
-
-    // Receive the client's public key
-    let mut client_public_bytes = [0u8; 32];
-    reader.read_exact(&mut client_public_bytes).await?;
-    let client_public = PublicKey::from(client_public_bytes);
-
-    // Compute the shared secret
-    let shared_secret = server_secret.diffie_hellman(&client_public);
-
-    let key = Key::<Aes256Gcm>::from_slice(shared_secret.as_bytes());
-
-    let cipher_reader = Aes256Gcm::new(&key);
-    let cipher_writer = Aes256Gcm::new(&key);
-    let nonce_reader = Nonce::from_slice(b"unique nonce"); // 96-bits; fixed nonce
-    let nonce_writer = nonce_reader.clone();
-
-    // Read task for receiving messages from the client
-    let read_task = tokio::spawn(async move {
-        loop {
-            line.clear();
-            match reader.read_line(&mut line).await {
-                Ok(bytes_read) => {
-                    if bytes_read == 0 {
-                        info!("Client disconnected");
-                        break;
-                    }
-
-                    let decoded = match BASE64.decode(line.trim().as_bytes()) {
-                        Ok(decoded) => decoded,
-                        Err(e) => {
-                            error!("Base64 decode error: {:?}", e);
-                            continue;
-                        }
-                    };
-
-                    let decrypted = match cipher_reader.decrypt(&nonce_reader, decoded.as_ref()) {
-                        Ok(decrypted) => decrypted,
-                        Err(e) => {
-                            error!("Decryption error: {:?}", e);
-                            continue;
-                        }
-                    };
-
-                    let message = match String::from_utf8(decrypted) {
-                        Ok(msg) => msg,
-                        Err(e) => {
-                            error!("UTF-8 conversion error: {:?}", e);
-                            continue;
-                        }
-                    };
-
-                    info!("Received message: {}", message.trim());
-
-                    if message.trim() == "/quit" {
-                        info!("Client requested to quit");
-                        break;
-                    }
-
-                    // Broadcast the message to all clients
-                    match tx.send(message) {
-                        Ok(_) => info!("Message broadcast successfully"),
-                        Err(e) => {
-                            error!("Failed to broadcast message: {:?}", e);
-                            break;
-                        }
-                    }
-                }
-                Err(e) => {
-                    error!("Error reading from client: {:?}", e);
-                    break;
-                }
-            }
-        }
-    });
-
-    // Write task for sending messages to the client
-    let write_task = tokio::spawn(async move {
-        while let Ok(msg) = rx.recv().await {
-            if !msg.is_empty() {
-                // Encrypt the message
-                let encrypted = match cipher_writer.encrypt(&nonce_writer, msg.as_bytes()) {
-                    Ok(encrypted) => encrypted,
-                    Err(e) => {
-                        error!("Encryption error: {:?}", e);
-                        continue;
-                    }
-                };
-
-                // Base64 encode the encrypted message
-                let encoded = BASE64.encode(&encrypted);
-
-                if let Err(e) = writer.write_all((encoded + "\n").as_bytes()).await {
-                    error!("Failed to send message: {:?}", e);
-                    break;
-                }
-            }
-        }
-    });
-
-    // Wait for both tasks to complete
-    tokio::select! {
-        _ = read_task => (),
-        _ = write_task => (),
-    }
-
-    info!("Client handling completed");
-    Ok(())
-}
\ No newline at end of file

From 4a3a857c34e7614fab95b002a4842d1dfd8d171d Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Wed, 22 Jan 2025 11:22:46 +0100
Subject: [PATCH 07/18] Add port configuration and implement username handling
 in main function

---
 config.toml |  3 ++-
 src/main.rs | 35 +++++++++++++++++++++++++++++++++--
 2 files changed, 35 insertions(+), 3 deletions(-)

diff --git a/config.toml b/config.toml
index a67bf90..e6c4020 100644
--- a/config.toml
+++ b/config.toml
@@ -1 +1,2 @@
-ip = '127.0.0.1'
\ No newline at end of file
+ip = '127.0.0.1'
+port = 25565
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index de55e38..5b8699c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,7 +4,7 @@ use aes_gcm::{
 };
 use base64::{engine::general_purpose::STANDARD as BASE64, Engine as _};
 use colog;
-use log::{error, info, warn};
+use log::{debug, error, info, warn};
 use serde::Deserialize;
 use std::fs;
 use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
@@ -26,6 +26,19 @@ async fn main() {
     let config: Config =
         toml::from_str(&contents).expect("Should have been able to parse the file");
 
+    info!("Enter your username (or press Enter to use a random one): ");
+    let mut input = String::new();
+    std::io::stdin().read_line(&mut input).unwrap();
+    let mut username = input.trim().to_string();
+
+    if !username.is_empty() {
+        username = input.trim().to_string();
+    } else {
+        username = format!("User{}", rand::random::<u32>());
+    }
+
+    info!("Username: {}", username);
+
     let port = config.port.unwrap_or(8080);
     info!("Connecting to server at {}:{}", config.ip, port);
 
@@ -60,6 +73,24 @@ async fn main() {
     let nonce_writer = nonce_reader.clone();
 
     warn!("Nonce: {:?}", nonce_reader);
+
+    debug!("Sending Username");
+
+    let encrypted = match cipher_writer.encrypt(&nonce_writer, username.as_bytes()) {
+        Ok(encrypted) => encrypted,
+        Err(e) => {
+            error!("Encryption error: {}", e);
+            return;
+        }
+    };
+
+    let encoded = BASE64.encode(&encrypted);
+
+    if let Err(e) = writer.write_all((encoded + "\n").as_bytes()).await {
+        error!("Failed to send username: {}", e);
+        return;
+    }
+
     info!("Starting the chat");
 
     // Task for sending user input to the server
@@ -138,7 +169,7 @@ async fn main() {
                         }
                     };
 
-                    info!("\nReceived: {}", message.trim());
+                    info!("Received: {}", message.trim());
                     info!("Enter message: ");
                     tokio::io::stdout().flush().await.unwrap();
                 }

From 5a8792b9fd40f80b16f8e672a87044030c92ff01 Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Wed, 22 Jan 2025 11:48:35 +0100
Subject: [PATCH 08/18] Implement message parsing and command handling in
 client module

---
 src/client/mod.rs | 111 +++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 94 insertions(+), 17 deletions(-)

diff --git a/src/client/mod.rs b/src/client/mod.rs
index 84830a3..7816deb 100644
--- a/src/client/mod.rs
+++ b/src/client/mod.rs
@@ -6,11 +6,42 @@ pub(crate) mod handlers {
 
     use base64::{engine::general_purpose::STANDARD as BASE64, Engine as _};
     use log::{debug, error, info};
+    use serde::Deserialize;
     use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
     use tokio::net::TcpStream;
     use tokio::sync::broadcast;
     use x25519_dalek::{EphemeralSecret, PublicKey};
 
+    /*
+        Specifications of the packet
+        32 bytes - Command name
+        512 bytes - Command argument
+        if command is empty then it is a message
+    */
+    #[derive(Deserialize, Debug)]
+    struct Message {
+        command: Vec<String>,
+        argument: Vec<String>, // Changed from Vec<str> to Vec<String>
+    }
+
+    fn parse_message(message: &str) -> Message {
+        let mut iter = message.split_whitespace();
+
+        let command: Vec<String> = if let Some(cmd) = iter.next() {
+            if cmd.starts_with("/") {
+                vec![cmd.to_string()]
+            } else {
+                Vec::new() // Empty command means it's a regular message
+            }
+        } else {
+            Vec::new()
+        };
+
+        let argument: Vec<String> = iter.map(String::from).collect();
+
+        Message { command, argument }
+    }
+
     pub async fn handle_client(
         socket: TcpStream,
         tx: broadcast::Sender<String>,
@@ -52,7 +83,7 @@ pub(crate) mod handlers {
             .unwrap();
         let username = String::from_utf8(decrypted)?;
         let username_read = username.clone(); // Clone for read task
-        let username_write = username.clone(); // Clone for write task
+        let mut username_write = username.clone(); // Clone for write task
 
         // Read task for receiving messages from the client
         let read_task = tokio::spawn(async move {
@@ -90,25 +121,71 @@ pub(crate) mod handlers {
                             }
                         };
 
-                        info!(
-                            "Received message from {}: {}",
-                            username_read,
-                            message.trim()
-                        );
+                        info!("Parsing message");
 
-                        if message.trim() == "/quit" {
-                            info!("Client requested to quit");
-                            break;
-                        }
+                        let parsed_message = parse_message(message.as_str());
+                        // Handle commands
+                        if !parsed_message.command.is_empty() {
+                            match parsed_message.command[0].as_str() {
+                                "/msg" => {
+                                    if parsed_message.argument.len() < 2 {
+                                        match tx.send("Error! Invalid /msg format".to_string()) {
+                                            Ok(_) => info!(
+                                                "Error message sent to client {}",
+                                                username_write
+                                            ),
+                                            Err(e) => {
+                                                error!("Failed to send error message: {:?}", e);
+                                                break;
+                                            }
+                                        }
+                                        continue;
+                                    }
+                                    let target_user = &parsed_message.argument[0];
+                                    let msg_content = parsed_message.argument[1..].join(" ");
+                                    info!("Private message to {}: {}", target_user, msg_content);
+                                }
 
-                        let formatted_message = format!("{}: {}", username_read, message.trim());
+                                "/quit" => {
+                                    info!("Client requested to quit");
+                                    break;
+                                }
 
-                        // Broadcast the message to all clients
-                        match tx.send(formatted_message) {
-                            Ok(_) => info!("Message broadcast successfully"),
-                            Err(e) => {
-                                error!("Failed to broadcast message: {:?}", e);
-                                break;
+                                "/nickname" => {
+                                    if parsed_message.argument.is_empty() {
+                                        error!(
+                                            "Invalid /nickname format. Usage: /nickname new_name"
+                                        );
+                                        continue;
+                                    }
+                                    let new_nickname = &parsed_message.argument[0];
+                                    info!("Changing nickname to: {}", new_nickname);
+                                    username_write = new_nickname.clone();
+                                    // Here implement your nickname change logic
+                                }
+
+                                _ => {
+                                    error!("Unknown command: {}", parsed_message.command[0]);
+                                }
+                            }
+                        } else {
+                            // Regular message handling
+                            info!(
+                                "Received message from {}: {}",
+                                username_read,
+                                parsed_message.argument.join(" ")
+                            );
+
+                            let formatted_message =
+                                format!("{}: {}", username_read, message.trim());
+
+                            // Broadcast the message to all clients
+                            match tx.send(formatted_message) {
+                                Ok(_) => info!("Message broadcast successfully"),
+                                Err(e) => {
+                                    error!("Failed to broadcast message: {:?}", e);
+                                    break;
+                                }
                             }
                         }
                     }

From d9ddda570edf8da0adbf4ce9933668fa632b56a5 Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Wed, 22 Jan 2025 11:48:36 +0100
Subject: [PATCH 09/18] Remove prompt for message input in main loop

---
 src/main.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index 5b8699c..3bf736c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -101,7 +101,6 @@ async fn main() {
 
         loop {
             input.clear();
-            print!("Enter message: ");
             tokio::io::stdout().flush().await.unwrap();
 
             stdin_reader.read_line(&mut input).await.unwrap();

From 6ebdef9a64f8196a900cda86a2ec1589c67998f5 Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Wed, 22 Jan 2025 13:06:46 +0100
Subject: [PATCH 10/18] Add TUI module for logging and enhance logging
 functionality

---
 Cargo.lock     | 526 ++++++++++++++++++++++++++++++++++++++++++++++++-
 Cargo.toml     |   5 +-
 src/main.rs    |  51 ++++-
 src/tui/mod.rs | 138 +++++++++++++
 4 files changed, 712 insertions(+), 8 deletions(-)
 create mode 100644 src/tui/mod.rs

diff --git a/Cargo.lock b/Cargo.lock
index 2b0503b..2e6351b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -61,6 +61,27 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "allocator-api2"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
+
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.18"
@@ -143,6 +164,12 @@ version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
+[[package]]
+name = "bumpalo"
+version = "3.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
+
 [[package]]
 name = "byteorder"
 version = "1.5.0"
@@ -155,6 +182,30 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ac0150caa2ae65ca5bd83f25c7de183dea78d4d366469f148435e2acfbad0da"
 
+[[package]]
+name = "cassowary"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df8670b8c7b9dae1793364eafadf7239c40d669904660c5960d74cfd80b46a53"
+
+[[package]]
+name = "castaway"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0abae9be0aaf9ea96a3b1b8b1b55c602ca751eba1b1500220cea4ecbafe7c0d5"
+dependencies = [
+ "rustversion",
+]
+
+[[package]]
+name = "cc"
+version = "1.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13208fcbb66eaeffe09b99fffbe1af420f00a7b35aa99ad683dfc1aa76145229"
+dependencies = [
+ "shlex",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -167,17 +218,34 @@ version = "0.1.0"
 dependencies = [
  "aes-gcm",
  "base64",
+ "chrono",
  "colog",
+ "crossterm",
  "crypto",
  "log",
  "rand",
  "rand_core",
+ "ratatui",
  "serde",
  "tokio",
  "toml",
  "x25519-dalek",
 ]
 
+[[package]]
+name = "chrono"
+version = "0.4.39"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e36cc9d416881d2e24f9a963be5fb1cd90966419ac844274161d10488b3e825"
+dependencies = [
+ "android-tzdata",
+ "iana-time-zone",
+ "js-sys",
+ "num-traits",
+ "wasm-bindgen",
+ "windows-targets 0.52.6",
+]
+
 [[package]]
 name = "cipher"
 version = "0.4.4"
@@ -215,6 +283,26 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "compact_str"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b79c4069c6cad78e2e0cdfcbd26275770669fb39fd308a752dc110e83b9af32"
+dependencies = [
+ "castaway",
+ "cfg-if",
+ "itoa",
+ "rustversion",
+ "ryu",
+ "static_assertions",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.16"
@@ -224,6 +312,31 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crossterm"
+version = "0.28.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "829d955a0bb380ef178a640b91779e3987da38c9aea133b20614cfed8cdea9c6"
+dependencies = [
+ "bitflags",
+ "crossterm_winapi",
+ "mio",
+ "parking_lot",
+ "rustix",
+ "signal-hook",
+ "signal-hook-mio",
+ "winapi",
+]
+
+[[package]]
+name = "crossterm_winapi"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acdd7c62a3665c7f6830a51635d9ac9b23ed385797f70a83bb8bafe9c572ab2b"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "crypto"
 version = "0.5.1"
@@ -279,6 +392,47 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "darling"
+version = "0.20.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f63b86c8a8826a49b8c21f08a2d07338eec8d900540f8630dc76284be802989"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.20.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95133861a8032aaea082871032f5815eb9e98cef03fa916ab4500513994df9e5"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.20.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d336a2a514f6ccccaa3e09b02d41d35330c07ddf03a62165fcec10bb561c7806"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "either"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
+
 [[package]]
 name = "env_filter"
 version = "0.1.2"
@@ -308,12 +462,34 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
+[[package]]
+name = "errno"
+version = "0.3.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33d852cb9b869c2a9b3df2f71a3074817f01e1844f839a144f5fcef059a4eb5d"
+dependencies = [
+ "libc",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "fiat-crypto"
 version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28dea519a9695b9977216879a3ebfddf92f1c08c05d984f8996aecd6ecdc811d"
 
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
+[[package]]
+name = "foldhash"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0d2fde1f7b3d48b8395d5f2de76c18a528bd6a9cdde438df747bfcba3e05d6f"
+
 [[package]]
 name = "generic-array"
 version = "0.14.7"
@@ -356,6 +532,17 @@ name = "hashbrown"
 version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
+dependencies = [
+ "allocator-api2",
+ "equivalent",
+ "foldhash",
+]
+
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
 [[package]]
 name = "hermit-abi"
@@ -369,6 +556,35 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.61"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "235e081f3925a06703c2d0117ea8b91f042756fd6e7a6e5d901e8ca1a996b220"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows-core",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "ident_case"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
+
 [[package]]
 name = "indexmap"
 version = "2.7.0"
@@ -379,6 +595,12 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "indoc"
+version = "2.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b248f5224d1d606005e02c97f5aa4e88eeb230488bcc03bc9ca4d7991399f2b5"
+
 [[package]]
 name = "inout"
 version = "0.1.3"
@@ -388,12 +610,50 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "instability"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bf9fed6d91cfb734e7476a06bde8300a1b94e217e1b523b6f0cd1a01998c71d"
+dependencies = [
+ "darling",
+ "indoc",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
+[[package]]
+name = "itertools"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
+dependencies = [
+ "either",
+]
+
+[[package]]
+name = "itoa"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
+
+[[package]]
+name = "js-sys"
+version = "0.3.77"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cfaf33c695fc6e08064efbc1f72ec937429614f25eef83af942d0e227c3a28f"
+dependencies = [
+ "once_cell",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -406,6 +666,12 @@ version = "0.2.164"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "433bfe06b8c75da9b2e3fbea6e5329ff87748f0b144ef75306e674c3f6f7c13f"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d26c52dbd32dccf2d10cac7725f8eae5296885fb5703b261f7d0a0739ec807ab"
+
 [[package]]
 name = "lock_api"
 version = "0.4.12"
@@ -422,6 +688,15 @@ version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
+[[package]]
+name = "lru"
+version = "0.12.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "234cf4f4a04dc1f57e24b96cc0cd600cf2af460d4161ac5ecdd0af8e1f3b2a38"
+dependencies = [
+ "hashbrown",
+]
+
 [[package]]
 name = "memchr"
 version = "2.7.4"
@@ -445,10 +720,20 @@ checksum = "80e04d1dcff3aae0704555fe5fee3bcfaf3d1fdf8a7e521d5b9d2b42acb52cec"
 dependencies = [
  "hermit-abi",
  "libc",
+ "log",
  "wasi",
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "object"
 version = "0.36.5"
@@ -458,6 +743,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "once_cell"
+version = "1.20.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
+
 [[package]]
 name = "opaque-debug"
 version = "0.3.1"
@@ -487,6 +778,12 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.15"
@@ -562,6 +859,27 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "ratatui"
+version = "0.29.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eabd94c2f37801c20583fc49dd5cd6b0ba68c716787c2dd6ed18571e1e63117b"
+dependencies = [
+ "bitflags",
+ "cassowary",
+ "compact_str",
+ "crossterm",
+ "indoc",
+ "instability",
+ "itertools",
+ "lru",
+ "paste",
+ "strum",
+ "unicode-segmentation",
+ "unicode-truncate",
+ "unicode-width 0.2.0",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.5.7"
@@ -615,6 +933,31 @@ dependencies = [
  "semver",
 ]
 
+[[package]]
+name = "rustix"
+version = "0.38.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fdb5bc1ae2baa591800df16c9ca78619bf65c0488b41b96ccec5d11220d8c154"
+dependencies = [
+ "bitflags",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "rustversion"
+version = "1.0.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7c45b9784283f1b2e7fb61b42047c2fd678ef0960d4f6f1eba131594cc369d4"
+
+[[package]]
+name = "ryu"
+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -656,6 +999,33 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
+[[package]]
+name = "signal-hook"
+version = "0.3.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8621587d4798caf8eb44879d42e56b9a93ea5dcd315a6487c357130095b62801"
+dependencies = [
+ "libc",
+ "signal-hook-registry",
+]
+
+[[package]]
+name = "signal-hook-mio"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34db1a06d485c9142248b7a054f034b349b212551f3dfd19c94d45a754a217cd"
+dependencies = [
+ "libc",
+ "mio",
+ "signal-hook",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.2"
@@ -681,6 +1051,40 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
+[[package]]
+name = "strsim"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
+
+[[package]]
+name = "strum"
+version = "0.26.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8fec0f0aef304996cf250b31b5a10dee7980c85da9d759361292b8bca5a18f06"
+dependencies = [
+ "strum_macros",
+]
+
+[[package]]
+name = "strum_macros"
+version = "0.26.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c6bee85a5a24955dc440386795aa378cd9cf82acd5f764469152d2270e581be"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "rustversion",
+ "syn",
+]
+
 [[package]]
 name = "subtle"
 version = "2.6.1"
@@ -689,9 +1093,9 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "syn"
-version = "2.0.89"
+version = "2.0.96"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44d46482f1c1c87acd84dea20c1bf5ebff4c757009ed6bf19cfd36fb10e92c4e"
+checksum = "d5d0adab1ae378d7f53bdebc67a39f1f151407ef230f0ce2883572f5d8985c80"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -773,6 +1177,35 @@ version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
+
+[[package]]
+name = "unicode-truncate"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3644627a5af5fa321c95b9b235a72fd24cd29c648c2c379431e6628655627bf"
+dependencies = [
+ "itertools",
+ "unicode-segmentation",
+ "unicode-width 0.1.14",
+]
+
+[[package]]
+name = "unicode-width"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
+
+[[package]]
+name = "unicode-width"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fc81956842c57dac11422a97c3b8195a1ff727f06e85c84ed2e8aa277c9a0fd"
+
 [[package]]
 name = "universal-hash"
 version = "0.5.1"
@@ -801,6 +1234,95 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "rustversion",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f0a0651a5c2bc21487bde11ee802ccaf4c51935d0d3d42a6101f98161700bc6"
+dependencies = [
+ "bumpalo",
+ "log",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fe63fc6d09ed3792bd0897b314f53de8e16568c2b3f7982f468c0bf9bd0b407"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a05d73b933a847d6cccdda8f838a22ff101ad9bf93e33684f39c1f5f0eece3d"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "windows-core"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9"
+dependencies = [
+ "windows-targets 0.52.6",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
diff --git a/Cargo.toml b/Cargo.toml
index 39cbe66..1d7de34 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,4 +14,7 @@ rand_core = "0.6.4"
 crypto = "0.5.1"
 base64 = "0.21"
 serde = { version = "1.0", features = ["derive"] }
-toml = "0.8.19"
\ No newline at end of file
+toml = "0.8.19"
+ratatui = "0.29.0"
+crossterm = "0.28.1"
+chrono = "0.4.39"
diff --git a/src/main.rs b/src/main.rs
index 5c1dabd..ef502d1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,11 +1,14 @@
 mod client;
-use client::handlers::handle_client;
+mod tui; // Add this new module
 
-use colog;
-use log::{error, info};
+use client::handlers::handle_client;
+use log::{error, info, Level, Log, Metadata, Record};
 use serde::Deserialize;
+use std::sync::mpsc;
+use std::thread;
 use tokio::net::TcpListener;
 use tokio::sync::broadcast;
+use tui::{run_app, LogEntry};
 
 #[derive(Deserialize, Debug)]
 struct Config {
@@ -13,10 +16,47 @@ struct Config {
     port: String,
 }
 
+struct CustomLogger {
+    tx: mpsc::Sender<LogEntry>,
+}
+
+impl Log for CustomLogger {
+    fn enabled(&self, metadata: &Metadata) -> bool {
+        metadata.level() <= Level::Info
+    }
+
+    fn log(&self, record: &Record) {
+        if self.enabled(record.metadata()) {
+            let now = chrono::Local::now();
+            let log_entry = LogEntry {
+                timestamp: now.format("%H:%M:%S").to_string(),
+                level: record.level().to_string(),
+                message: record.args().to_string(),
+            };
+
+            let _ = self.tx.send(log_entry);
+        }
+    }
+
+    fn flush(&self) {}
+}
+
 #[tokio::main]
 async fn main() {
-    // Initialize the logger
-    colog::init();
+    // Create a channel for logging
+    let (tx, rx) = mpsc::channel();
+
+    // Create and set the custom logger
+    let logger = Box::new(CustomLogger { tx });
+    log::set_boxed_logger(logger).unwrap();
+    log::set_max_level(log::LevelFilter::Info);
+
+    // Start the TUI in a separate thread
+    let _tui_handle = thread::spawn(move || {
+        if let Err(e) = run_app(rx) {
+            eprintln!("Error running TUI: {:?}", e);
+        }
+    });
 
     // Load the configuration from config file
     let config = match std::fs::read_to_string("config.toml") {
@@ -34,6 +74,7 @@ async fn main() {
     };
 
     info!("Configuration loaded: {:?}", config);
+
     // Bind a TCP listener to accept incoming connections
     let listener = TcpListener::bind(config.address + ":" + config.port.as_str())
         .await
diff --git a/src/tui/mod.rs b/src/tui/mod.rs
new file mode 100644
index 0000000..64823c1
--- /dev/null
+++ b/src/tui/mod.rs
@@ -0,0 +1,138 @@
+use crossterm::{
+    event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode},
+    execute,
+    terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
+};
+use ratatui::{
+    backend::CrosstermBackend,
+    layout::{Constraint, Direction, Layout},
+    style::{Color, Modifier, Style},
+    text::{Line, Span},
+    widgets::{Block, Borders, List, ListItem},
+    Terminal,
+};
+use std::{
+    collections::VecDeque,
+    sync::mpsc,
+    time::{Duration, Instant},
+};
+
+pub struct LogEntry {
+    pub timestamp: String,
+    pub level: String,
+    pub message: String,
+}
+
+pub struct App {
+    logs: VecDeque<LogEntry>,
+    should_quit: bool,
+}
+
+impl App {
+    pub fn new() -> App {
+        App {
+            logs: VecDeque::with_capacity(100),
+            should_quit: false,
+        }
+    }
+
+    pub fn add_log(&mut self, entry: LogEntry) {
+        if self.logs.len() >= 100 {
+            self.logs.pop_front();
+        }
+        self.logs.push_back(entry);
+    }
+}
+
+pub fn run_app(rx: mpsc::Receiver<LogEntry>) -> Result<(), Box<dyn std::error::Error>> {
+    // Terminal initialization
+    enable_raw_mode()?;
+    let mut stdout = std::io::stdout();
+    execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
+    let backend = CrosstermBackend::new(stdout);
+    let mut terminal = Terminal::new(backend)?;
+
+    let mut app = App::new();
+    let mut last_tick = Instant::now();
+    let tick_rate = Duration::from_millis(250);
+
+    loop {
+        terminal.draw(|f| {
+            let chunks = Layout::default()
+                .direction(Direction::Vertical)
+                .margin(1)
+                .constraints(
+                    [
+                        Constraint::Min(0), // Logs
+                    ]
+                    .as_ref(),
+                )
+                .split(f.area());
+
+            // Logs
+            let logs: Vec<ListItem> = app
+                .logs
+                .iter()
+                .map(|log| {
+                    let color = match log.level.as_str() {
+                        "ERROR" => Color::Red,
+                        "WARN" => Color::Yellow,
+                        "INFO" => Color::Blue,
+                        "DEBUG" => Color::Green,
+                        _ => Color::White,
+                    };
+
+                    ListItem::new(Line::from(vec![
+                        Span::styled(&log.timestamp, Style::default().fg(Color::DarkGray)),
+                        Span::raw(" "),
+                        Span::styled(
+                            format!("[{}]", log.level),
+                            Style::default().fg(color).add_modifier(Modifier::BOLD),
+                        ),
+                        Span::raw(" "),
+                        Span::raw(&log.message),
+                    ]))
+                })
+                .collect();
+
+            let logs =
+                List::new(logs).block(Block::default().borders(Borders::ALL).title("Server Logs"));
+            f.render_widget(logs, chunks[0]);
+        })?;
+
+        let timeout = tick_rate
+            .checked_sub(last_tick.elapsed())
+            .unwrap_or_else(|| Duration::from_secs(0));
+
+        if crossterm::event::poll(timeout)? {
+            if let Event::Key(key) = event::read()? {
+                if let KeyCode::Char('q') = key.code {
+                    app.should_quit = true;
+                }
+            }
+        }
+
+        if last_tick.elapsed() >= tick_rate {
+            // Check for new log entries
+            if let Ok(log_entry) = rx.try_recv() {
+                app.add_log(log_entry);
+            }
+            last_tick = Instant::now();
+        }
+
+        if app.should_quit {
+            break;
+        }
+    }
+
+    // Restore terminal
+    disable_raw_mode()?;
+    execute!(
+        terminal.backend_mut(),
+        LeaveAlternateScreen,
+        DisableMouseCapture
+    )?;
+    terminal.show_cursor()?;
+
+    Ok(())
+}

From 8df02b7a5a6186a36a4737a8774b5dc754753da8 Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Fri, 31 Jan 2025 13:43:35 +0100
Subject: [PATCH 11/18] Add SQLite database support and user management
 functionality

---
 Cargo.lock                            | 1277 ++++++++++++++++++++++++-
 Cargo.toml                            |    1 +
 README.md                             |   25 +
 db.sqlite                             |  Bin 0 -> 28672 bytes
 migrations/001_create_users_table.sql |    9 +
 src/client/mod.rs                     |   20 +-
 src/db/mod.rs                         |   30 +
 src/main.rs                           |    9 +-
 8 files changed, 1362 insertions(+), 9 deletions(-)
 create mode 100644 README.md
 create mode 100644 db.sqlite
 create mode 100644 migrations/001_create_users_table.sql
 create mode 100644 src/db/mod.rs

diff --git a/Cargo.lock b/Cargo.lock
index 2e6351b..58ccc92 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -131,6 +131,15 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "atoi"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f28d99ec8bfea296261ca1af174f24225171fea9664ba9003cbebee704810528"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.4.0"
@@ -158,11 +167,35 @@ version = "0.21.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
 
+[[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
+[[package]]
+name = "base64ct"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
+
 [[package]]
 name = "bitflags"
 version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
 
 [[package]]
 name = "bumpalo"
@@ -217,7 +250,7 @@ name = "chatserver"
 version = "0.1.0"
 dependencies = [
  "aes-gcm",
- "base64",
+ "base64 0.21.7",
  "chrono",
  "colog",
  "crossterm",
@@ -227,6 +260,7 @@ dependencies = [
  "rand_core",
  "ratatui",
  "serde",
+ "sqlx",
  "tokio",
  "toml",
  "x25519-dalek",
@@ -297,6 +331,31 @@ dependencies = [
  "static_assertions",
 ]
 
+[[package]]
+name = "concurrent-queue"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ca0197aee26d1ae37445ee532fefce43251d24cc7c166799f4d46817f1d3973"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "const-oid"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
+
+[[package]]
+name = "core-foundation"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91e195e091a93c46f7102ec7818a2aa394e1e1771c3ab4825963fa03e45afb8f"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.7"
@@ -312,6 +371,36 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crc"
+version = "3.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69e6e4d7b33a94f0991c26729976b10ebde1d34c3ee82408fb536164fa10d636"
+dependencies = [
+ "crc-catalog",
+]
+
+[[package]]
+name = "crc-catalog"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19d374276b40fb8bbdee95aef7c7fa6b5316ec764510eb64b8dd0e2ed0d7e7f5"
+
+[[package]]
+name = "crossbeam-queue"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f58bbc28f91df819d0aa2a2c00cd19754769c2fad90579b3592b1c9ba7a3115"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
+
 [[package]]
 name = "crossterm"
 version = "0.28.1"
@@ -427,11 +516,54 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "der"
+version = "0.7.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f55bf8e7b65898637379c1b74eb1551107c8294ed26d855ceb9fd1a09cfc9bc0"
+dependencies = [
+ "const-oid",
+ "pem-rfc7468",
+ "zeroize",
+]
+
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "const-oid",
+ "crypto-common",
+ "subtle",
+]
+
+[[package]]
+name = "displaydoc"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "dotenvy"
+version = "0.15.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1aaf95b3e5c8f23aa320147307562d361db0ae0d51242340f558153b4eb2439b"
+
 [[package]]
 name = "either"
 version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "env_filter"
@@ -472,12 +604,51 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "etcetera"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "136d1b5283a1ab77bd9257427ffd09d8667ced0570b6f938942bc7568ed5b943"
+dependencies = [
+ "cfg-if",
+ "home",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "event-listener"
+version = "5.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3492acde4c3fc54c845eaab3eed8bd00c7a7d881f78bfc801e43a93dec1331ae"
+dependencies = [
+ "concurrent-queue",
+ "parking",
+ "pin-project-lite",
+]
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+
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+ "futures-core",
+ "futures-sink",
+ "spin",
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@@ -490,6 +661,102 @@ version = "0.1.4"
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 checksum = "a0d2fde1f7b3d48b8395d5f2de76c18a528bd6a9cdde438df747bfcba3e05d6f"
 
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+ "foreign-types-shared",
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+
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+
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+ "futures-task",
+ "futures-util",
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+ "futures-core",
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+
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+
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+
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+dependencies = [
+ "futures-core",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "memchr",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+]
+
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@@ -508,7 +775,19 @@ checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
+]
+
+[[package]]
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+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi 0.13.3+wasi-0.2.2",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
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+[[package]]
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+checksum = "7382cf6263419f2d8df38c55d7da83da5c18aef87fc7a7fc1fb1e344edfe14c1"
+dependencies = [
+ "hashbrown",
+]
+
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@@ -550,6 +838,39 @@ version = "0.3.9"
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+
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+dependencies = [
+ "hmac",
+]
+
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+dependencies = [
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+
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+dependencies = [
+ "windows-sys 0.59.0",
+]
+
 [[package]]
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@@ -579,12 +900,151 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
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+checksum = "db2fa452206ebee18c4b5c2274dbf1de17008e874b4dc4f0aea9d01ca79e4526"
+dependencies = [
+ "displaydoc",
+ "yoke",
+ "zerofrom",
+ "zerovec",
+]
+
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+dependencies = [
+ "displaydoc",
+ "litemap",
+ "tinystr",
+ "writeable",
+ "zerovec",
+]
+
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+dependencies = [
+ "displaydoc",
+ "icu_locid",
+ "icu_locid_transform_data",
+ "icu_provider",
+ "tinystr",
+ "zerovec",
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+
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+
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+dependencies = [
+ "displaydoc",
+ "icu_collections",
+ "icu_normalizer_data",
+ "icu_properties",
+ "icu_provider",
+ "smallvec",
+ "utf16_iter",
+ "utf8_iter",
+ "write16",
+ "zerovec",
+]
+
+[[package]]
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+
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+dependencies = [
+ "displaydoc",
+ "icu_collections",
+ "icu_locid_transform",
+ "icu_properties_data",
+ "icu_provider",
+ "tinystr",
+ "zerovec",
+]
+
+[[package]]
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+
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+dependencies = [
+ "displaydoc",
+ "icu_locid",
+ "icu_provider_macros",
+ "stable_deref_trait",
+ "tinystr",
+ "writeable",
+ "yoke",
+ "zerofrom",
+ "zerovec",
+]
+
+[[package]]
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+checksum = "1ec89e9337638ecdc08744df490b221a7399bf8d164eb52a665454e60e075ad6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 
+[[package]]
+name = "idna"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "686f825264d630750a544639377bae737628043f20d38bbc029e8f29ea968a7e"
+dependencies = [
+ "idna_adapter",
+ "smallvec",
+ "utf8_iter",
+]
+
+[[package]]
+name = "idna_adapter"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "daca1df1c957320b2cf139ac61e7bd64fed304c5040df000a745aa1de3b4ef71"
+dependencies = [
+ "icu_normalizer",
+ "icu_properties",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.7.0"
@@ -659,6 +1119,9 @@ name = "lazy_static"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
+dependencies = [
+ "spin",
+]
 
 [[package]]
 name = "libc"
@@ -666,12 +1129,35 @@ version = "0.2.164"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "433bfe06b8c75da9b2e3fbea6e5329ff87748f0b144ef75306e674c3f6f7c13f"
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8355be11b20d696c8f18f6cc018c4e372165b1fa8126cef092399c9951984ffa"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e99fb7a497b1e3339bc746195567ed8d3e24945ecd636e3619d20b9de9e9149"
+dependencies = [
+ "cc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.4.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ee93343901ab17bd981295f2cf0026d4ad018c7c31ba84549a4ddbb47a45104"
+
 [[package]]
 name = "lock_api"
 version = "0.4.12"
@@ -697,6 +1183,16 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "md-5"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d89e7ee0cfbedfc4da3340218492196241d89eefb6dab27de5df917a6d2e78cf"
+dependencies = [
+ "cfg-if",
+ "digest",
+]
+
 [[package]]
 name = "memchr"
 version = "2.7.4"
@@ -721,10 +1217,64 @@ dependencies = [
  "hermit-abi",
  "libc",
  "log",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "native-tls"
+version = "0.2.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dab59f8e050d5df8e4dd87d9206fb6f65a483e20ac9fda365ade4fab353196c"
+dependencies = [
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
+
+[[package]]
+name = "num-bigint-dig"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc84195820f291c7697304f3cbdadd1cb7199c0efc917ff5eafd71225c136151"
+dependencies = [
+ "byteorder",
+ "lazy_static",
+ "libm",
+ "num-integer",
+ "num-iter",
+ "num-traits",
+ "rand",
+ "smallvec",
+ "zeroize",
+]
+
+[[package]]
+name = "num-integer"
+version = "0.1.46"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "num-iter"
+version = "0.1.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1429034a0490724d0075ebb2bc9e875d6503c3cf69e235a8941aa757d83ef5bf"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -732,6 +1282,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
 dependencies = [
  "autocfg",
+ "libm",
 ]
 
 [[package]]
@@ -755,6 +1306,56 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
+[[package]]
+name = "openssl"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5e534d133a060a3c19daec1eb3e98ec6f4685978834f2dbadfe2ec215bab64e"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "foreign-types",
+ "libc",
+ "once_cell",
+ "openssl-macros",
+ "openssl-sys",
+]
+
+[[package]]
+name = "openssl-macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
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+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d05e27ee213611ffe7d6348b942e8f942b37114c00cc03cec254295a4a17852e"
+
+[[package]]
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+version = "0.9.104"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45abf306cbf99debc8195b66b7346498d7b10c210de50418b5ccd7ceba08c741"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f38d5652c16fde515bb1ecef450ab0f6a219d619a7274976324d5e377f7dceba"
+
 [[package]]
 name = "parking_lot"
 version = "0.12.3"
@@ -784,12 +1385,60 @@ version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
 
+[[package]]
+name = "pem-rfc7468"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88b39c9bfcfc231068454382784bb460aae594343fb030d46e9f50a645418412"
+dependencies = [
+ "base64ct",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
+
 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "915a1e146535de9163f3987b8944ed8cf49a18bb0056bcebcdcece385cece4ff"
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
+[[package]]
+name = "pkcs1"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8ffb9f10fa047879315e6625af03c164b16962a5368d724ed16323b68ace47f"
+dependencies = [
+ "der",
+ "pkcs8",
+ "spki",
+]
+
+[[package]]
+name = "pkcs8"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der",
+ "spki",
+]
+
+[[package]]
+name = "pkg-config"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2"
+
 [[package]]
 name = "polyval"
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@@ -856,7 +1505,7 @@ version = "0.6.4"
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 dependencies = [
- "getrandom",
+ "getrandom 0.2.15",
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+ "num-bigint-dig",
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+ "num-traits",
+ "pkcs1",
+ "pkcs8",
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+ "signature",
+ "spki",
+ "subtle",
+ "zeroize",
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+
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+ "core-foundation-sys",
+ "libc",
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+
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@@ -990,6 +1691,18 @@ dependencies = [
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+ "ryu",
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+[[package]]
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+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
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@@ -1035,11 +1782,33 @@ dependencies = [
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+[[package]]
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+dependencies = [
+ "serde",
+]
 
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+ "memchr",
+ "native-tls",
+ "once_cell",
+ "percent-encoding",
+ "serde",
+ "serde_json",
+ "sha2",
+ "smallvec",
+ "thiserror",
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+ "serde",
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+ "sha2",
+ "sqlx-core",
+ "sqlx-mysql",
+ "sqlx-postgres",
+ "sqlx-sqlite",
+ "syn",
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+ "tokio",
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+ "futures-channel",
+ "futures-core",
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+ "hex",
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+ "log",
+ "md-5",
+ "memchr",
+ "once_cell",
+ "percent-encoding",
+ "rand",
+ "rsa",
+ "serde",
+ "sha1",
+ "sha2",
+ "smallvec",
+ "sqlx-core",
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+ "whoami",
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+ "futures-core",
+ "futures-util",
+ "hex",
+ "hkdf",
+ "hmac",
+ "home",
+ "itoa",
+ "log",
+ "md-5",
+ "memchr",
+ "once_cell",
+ "rand",
+ "serde",
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+ "sha2",
+ "smallvec",
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+ "futures-intrusive",
+ "futures-util",
+ "libsqlite3-sys",
+ "log",
+ "percent-encoding",
+ "serde",
+ "serde_urlencoded",
+ "sqlx-core",
+ "tracing",
+ "url",
+]
+
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+
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+[[package]]
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+dependencies = [
+ "unicode-bidi",
+ "unicode-normalization",
+ "unicode-properties",
+]
+
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@@ -1102,6 +2095,76 @@ dependencies = [
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 ]
 
+[[package]]
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+ "cfg-if",
+ "fastrand",
+ "getrandom 0.3.1",
+ "once_cell",
+ "rustix",
+ "windows-sys 0.59.0",
+]
+
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+
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+ "syn",
+]
+
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+dependencies = [
+ "displaydoc",
+ "zerovec",
+]
+
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+ "tinyvec_macros",
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+
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+
 [[package]]
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 version = "1.41.1"
@@ -1131,6 +2194,17 @@ dependencies = [
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 ]
 
+[[package]]
+name = "tokio-stream"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eca58d7bba4a75707817a2c44174253f9236b2d5fbd055602e9d5c07c139a047"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
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@@ -1165,18 +2239,71 @@ dependencies = [
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 ]
 
+[[package]]
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+dependencies = [
+ "log",
+ "pin-project-lite",
+ "tracing-attributes",
+ "tracing-core",
+]
+
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
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+
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+]
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+[[package]]
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+
 [[package]]
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+[[package]]
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+
 [[package]]
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@@ -1216,12 +2343,41 @@ dependencies = [
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+[[package]]
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+ "percent-encoding",
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+
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+
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+[[package]]
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+
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@@ -1234,6 +2390,21 @@ version = "0.11.0+wasi-snapshot-preview1"
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+[[package]]
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+checksum = "26816d2e1a4a36a2940b96c5296ce403917633dff8f3440e9b236ed6f6bacad2"
+dependencies = [
+ "wit-bindgen-rt",
+]
+
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+
 [[package]]
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@@ -1292,6 +2463,16 @@ dependencies = [
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+[[package]]
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+dependencies = [
+ "redox_syscall",
+ "wasite",
+]
+
 [[package]]
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@@ -1480,6 +2661,27 @@ dependencies = [
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+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e9df38ee2d2c3c5948ea468a8406ff0db0b29ae1ffde1bcf20ef305bcc95c51"
+
 [[package]]
 name = "x25519-dalek"
 version = "2.0.1"
@@ -1492,6 +2694,30 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "yoke"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "120e6aef9aa629e3d4f52dc8cc43a015c7724194c97dfaf45180d2daf2b77f40"
+dependencies = [
+ "serde",
+ "stable_deref_trait",
+ "yoke-derive",
+ "zerofrom",
+]
+
+[[package]]
+name = "yoke-derive"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2380878cad4ac9aac1e2435f3eb4020e8374b5f13c296cb75b4620ff8e229154"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
+
 [[package]]
 name = "zerocopy"
 version = "0.7.35"
@@ -1513,6 +2739,27 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "zerofrom"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cff3ee08c995dee1859d998dea82f7374f2826091dd9cd47def953cae446cd2e"
+dependencies = [
+ "zerofrom-derive",
+]
+
+[[package]]
+name = "zerofrom-derive"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "595eed982f7d355beb85837f651fa22e90b3c044842dc7f2c2842c086f295808"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.8.1"
@@ -1532,3 +2779,25 @@ dependencies = [
  "quote",
  "syn",
 ]
+
+[[package]]
+name = "zerovec"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa2b893d79df23bfb12d5461018d408ea19dfafe76c2c7ef6d4eba614f8ff079"
+dependencies = [
+ "yoke",
+ "zerofrom",
+ "zerovec-derive",
+]
+
+[[package]]
+name = "zerovec-derive"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6eafa6dfb17584ea3e2bd6e76e0cc15ad7af12b09abdd1ca55961bed9b1063c6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 1d7de34..8a8fe4c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,3 +18,4 @@ toml = "0.8.19"
 ratatui = "0.29.0"
 crossterm = "0.28.1"
 chrono = "0.4.39"
+sqlx = { version = "0.8", features = [ "sqlite", "runtime-tokio", "tls-native-tls" ] }
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..280a132
--- /dev/null
+++ b/README.md
@@ -0,0 +1,25 @@
+# SRC (Simple Rust Chat)
+
+Simple Rust Chat è una chat Client/Server che permette di fare le seguenti azioni:
+- Chattare con altri utenti in canali per topic
+- Chattare con una persona sola (DMs)
+- Inviare i file tra utenti
+- Possibilità di amministrare la chat con comandi di /kick o /ban
+
+La chat è basata molto sull'idea di una chat IRC (inizialmente il progetto aveva come scopo la creazione di un server IRC da utilizzare con dei clienti IRC come Halloy o mIRC)
+
+## Protocolli utilizzati
+
+Il server utilizza TCP/IP come protocollo per la trasmissione dei dati in rete. I pacchetti sono composti da un pacchetto prestabilito
+
+```
+    /*
+        Specifications of the packet
+        32 bytes - Command name
+        512 bytes - Command argument
+        if command is empty then it is a message
+    */
+```
+
+La chat è sicura usando x25519-dalek e AES-128 per criptare i messaggi e i dati dei file che vengono inviati. Lo scambio di chiavi viene effettuato con Diffie Hellman
+
diff --git a/db.sqlite b/db.sqlite
new file mode 100644
index 0000000000000000000000000000000000000000..54f9924fee6e4c0dd94f35165341aaf8827c53c4
GIT binary patch
literal 28672
zcmeI)%}>){90%~0jlBh!2eop05-v<OWShoFVswLw3uA-P5jbcm>!WMj3#_f87krBs
zk0vHu;9t;SqA^j!#fx`u9=&ssX!PLIryIzO#+%9bK3TVQ&-48H{60^2XrE=XGg-r;
z<XXK^)hv<}jtHVCTqHyg1TWkCY-<${d*gi8Dq`!+UtYb!@SWw}@K?dt^Fru*9Ddn*
zwQsSvhwY$100Izz00bZa0SG_<0ucBIfjOT~ic6wt)O5OP=&P!2(uT>OYg(1^J^xri
zPAM|U<i_QB@_Qqa&k^2`3_34PzsPjAPZ}B$7c6b5Ld}&5yD(Bsx?<B>seRYi46mfp
zS(&u89dx2aS<lG5HIHACB=Nx&9+MxCKY0)IZw@3xSTS@qW<{Qm3uL;GnMxHF$fUeL
zQbi@7$+2Eja!!eoSd0{F1{)g5j5`-^gleTSPlyL;r9>2YULm<W+ltvNDdsXWMLFsm
zh7~79GxaE`+NMR8D6x4|9%NZF&0F<`u9h{k+!o1=z++rywNxjq)_gQ3E!hpjx*du{
zyguo?Bno`4nogQ+)%kvN;^I92?)wqZFU4Zw!)}hHvev6=)wtf!ETdjC+xNQ;5VqHn
zL7u}+c4Dy3B%PUHs=taxdA&}}Qo~qw4sb9-x7w(gmR6}yU3Ka+Q}V2mnws7R9hWbq
zidlt>6$=G6FX~<sx4UVV*qLLJbUvSzQ@Oo<Zf&VdOE*lrO48YUx~-0`GC^lls%2DZ
zYxu2+3`H(<`J~y{pIF;5)Oh<R&b55N`KtA@O$=`c?12IS2tWV=5P$##AOHafKmY;|
zfWUtdSQP!icrsY=mKs!J%k=JzB7S=$F_JhF8;Qq~aS~6ACeMy0&aH<Zz1#k_8MwRk
z^yJp?r)RHD49p$1pKrW>yFR!5LARq%HYc;MKW`mBH9Ij7So<z~`S>Qp@)E;81ol9I
z00bZa0SG_<0uX=z1Rwwb2tc3%1w5W$&|UxE5yCqim>^Pu00bZa0SG_<0uX=z1Rwwb
z2pm#@KG7@mAJb|&`$0iGkv#3L|L+Rn-9rk3v>^Zi2tWV=5P$##AOHafKmY<AD-iVb
z2i<!B?)pEj|2uZ7kr)IZ009U<00Izz00bZa0SFvofq>|dg8a_}u>OCDPXnY50SG_<
W0uX=z1Rwwb2tWV=9WJoH{{Iu52UBVQ

literal 0
HcmV?d00001

diff --git a/migrations/001_create_users_table.sql b/migrations/001_create_users_table.sql
new file mode 100644
index 0000000..6c6aeb2
--- /dev/null
+++ b/migrations/001_create_users_table.sql
@@ -0,0 +1,9 @@
+-- Create the users table
+CREATE TABLE IF NOT EXISTS users (
+    id INTEGER PRIMARY KEY AUTOINCREMENT, -- Unique ID for each user
+    username TEXT NOT NULL UNIQUE,       -- Username, must be unique
+    password_hash TEXT NOT NULL         -- Hashed password for security
+);
+
+-- Create an index on the username and email columns for faster lookups
+CREATE INDEX IF NOT EXISTS idx_users_username ON users (username);
diff --git a/src/client/mod.rs b/src/client/mod.rs
index 7816deb..283d75c 100644
--- a/src/client/mod.rs
+++ b/src/client/mod.rs
@@ -7,11 +7,13 @@ pub(crate) mod handlers {
     use base64::{engine::general_purpose::STANDARD as BASE64, Engine as _};
     use log::{debug, error, info};
     use serde::Deserialize;
+    use std::sync::Arc;
     use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
     use tokio::net::TcpStream;
     use tokio::sync::broadcast;
     use x25519_dalek::{EphemeralSecret, PublicKey};
 
+    use crate::db::users::create_user;
     /*
         Specifications of the packet
         32 bytes - Command name
@@ -81,9 +83,11 @@ pub(crate) mod handlers {
         let decrypted = cipher_reader
             .decrypt(&nonce_reader, decoded.as_ref())
             .unwrap();
-        let username = String::from_utf8(decrypted)?;
-        let username_read = username.clone(); // Clone for read task
-        let mut username_write = username.clone(); // Clone for write task
+        let username = Arc::new(String::from_utf8(decrypted)?);
+        let username_read = Arc::clone(&username); // Clone the Arc for read task
+        let username_write = Arc::clone(&username); // Clone the Arc for write task
+
+        create_user(&username, "1234").await?;
 
         // Read task for receiving messages from the client
         let read_task = tokio::spawn(async move {
@@ -160,12 +164,20 @@ pub(crate) mod handlers {
                                     }
                                     let new_nickname = &parsed_message.argument[0];
                                     info!("Changing nickname to: {}", new_nickname);
-                                    username_write = new_nickname.clone();
                                     // Here implement your nickname change logic
                                 }
 
                                 _ => {
                                     error!("Unknown command: {}", parsed_message.command[0]);
+                                    match tx.send("Error! Unknown command".to_string()) {
+                                        Ok(_) => {
+                                            info!("Error message sent to client {}", username_write)
+                                        }
+                                        Err(e) => {
+                                            error!("Failed to send error message: {:?}", e);
+                                            break;
+                                        }
+                                    }
                                 }
                             }
                         } else {
diff --git a/src/db/mod.rs b/src/db/mod.rs
new file mode 100644
index 0000000..5e99f89
--- /dev/null
+++ b/src/db/mod.rs
@@ -0,0 +1,30 @@
+pub(crate) mod users {
+    use sqlx::sqlite::SqlitePool;
+
+    pub async fn connect_to_db() -> Result<SqlitePool, sqlx::Error> {
+        let pool = SqlitePool::connect("sqlite:./db.sqlite").await?;
+        Ok(pool)
+    }
+
+    pub async fn create_db_pool() -> Result<SqlitePool, sqlx::Error> {
+        let pool = connect_to_db().await?;
+        sqlx::migrate!("./migrations").run(&pool).await?;
+        Ok(pool)
+    }
+
+    pub async fn create_user(username: &str, password_hash: &str) -> Result<(), sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        sqlx::query(
+            r#"
+            INSERT INTO users (username, password_hash)
+            VALUES (?, ?)
+            "#,
+        )
+        .bind(username)
+        .bind(password_hash)
+        .execute(&pool)
+        .await?;
+        Ok(())
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index ef502d1..6202b4d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,11 +1,13 @@
 mod client;
 mod tui; // Add this new module
+mod db;
 
 use client::handlers::handle_client;
+use db::users::create_db_pool;
 use log::{error, info, Level, Log, Metadata, Record};
 use serde::Deserialize;
-use std::sync::mpsc;
 use std::thread;
+use std::{process::exit, sync::mpsc};
 use tokio::net::TcpListener;
 use tokio::sync::broadcast;
 use tui::{run_app, LogEntry};
@@ -43,6 +45,8 @@ impl Log for CustomLogger {
 
 #[tokio::main]
 async fn main() {
+    create_db_pool().await.unwrap();
+
     // Create a channel for logging
     let (tx, rx) = mpsc::channel();
 
@@ -56,6 +60,9 @@ async fn main() {
         if let Err(e) = run_app(rx) {
             eprintln!("Error running TUI: {:?}", e);
         }
+
+        // Exit the process when the TUI closes
+        exit(0);
     });
 
     // Load the configuration from config file

From ba22b22ecc491f6e1f9ed55cd346873989cee772 Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Sat, 1 Feb 2025 13:18:01 +0100
Subject: [PATCH 12/18] Update README.md to enhance project description and add
 SQLite database usage details

---
 README.md | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 56 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 280a132..5db8b6d 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,37 @@
 # SRC (Simple Rust Chat)
 
-Simple Rust Chat è una chat Client/Server che permette di fare le seguenti azioni:
+Simple Rust Chat è una chat Client/Server TCP
+
+La chat è basata molto sull'idea di una chat IRC (inizialmente il progetto aveva come scopo la creazione di un server IRC da utilizzare con dei clienti IRC come Halloy o mIRC)
+
+
+## Linguaggio
+
+Ho utilizzato Rust come linguaggio per questo programma per la sua velocità e leggerezza che permette di farlo runnare anche su sistemi con componenti poco potenti. Anche il client è scritto in Rust per compatibilità tra librerie utilizzate nel client e nel server. Permette anche di essere dockerizzato come immagine il server che permette di scalare il server utilizzando Kubernets o altri sistemi di scalability.
+
+## Librerie
+
+Le librerie utilizzate in particolare sono Tokio, un framework per applicazioni async e che offre anche connessioni Socket. Per la gestione del database viene usato SQLx, una libreria che offre una connessione standard per vari tipi di DBMS.
+serde: Per serializzazione/deserializzazione strutturata dei pacchetti
+log + env_logger: Per logging strutturato
+
+
+## Funzioni
+### Funzioni Fondamentali:
 - Chattare con altri utenti in canali per topic
 - Chattare con una persona sola (DMs)
 - Inviare i file tra utenti
 - Possibilità di amministrare la chat con comandi di /kick o /ban
+- Usa un Db SQLite per tenere le informazioni degli utenti registrati
+    - È possibile registarsi usando /register password che viene salvata usando SHA-256 e usare dal prossimo login il comando /login
 
-La chat è basata molto sull'idea di una chat IRC (inizialmente il progetto aveva come scopo la creazione di un server IRC da utilizzare con dei clienti IRC come Halloy o mIRC)
+### Funzionalità opzionali che si potrebbero aggiungere:
+- Lista utenti online per canale
+- Cronologia messaggi
+- Sistema di ruoli più granulare
+- Notifiche di menzione (@user)
 
-## Protocolli utilizzati
+## Protocolli e Sicurezza
 
 Il server utilizza TCP/IP come protocollo per la trasmissione dei dati in rete. I pacchetti sono composti da un pacchetto prestabilito
 
@@ -23,3 +46,33 @@ Il server utilizza TCP/IP come protocollo per la trasmissione dei dati in rete.
 
 La chat è sicura usando x25519-dalek e AES-128 per criptare i messaggi e i dati dei file che vengono inviati. Lo scambio di chiavi viene effettuato con Diffie Hellman
 
+Il Db è SQLite che permette di usarlo da un singolo file senza nessun problema. Per lo sviluppo sono utilizzate le mitigations cosi da aggiornare il db anche con versione vecchie del server
+
+```mermaid
+sequenceDiagram
+    participant C as Client
+    participant S as Server
+    participant DB as SQLite DB
+
+    C->>S: Connessione TCP
+    S->>C: Challenge DH
+    C->>S: Risposta DH
+    Note over C,S: Generazione chiavi AES-128
+
+    alt Registrazione
+        C->>S: /register [password]
+        Note over S: Hash SHA-256
+        S->>DB: Salva utente + hash
+        S->>C: Conferma registrazione
+    else Login
+        C->>S: /login [password]
+        S->>DB: Verifica hash
+        S->>C: Conferma login
+    end
+
+    rect rgb(200, 220, 255)
+        Note over C,S: Comunicazione crittografata
+        C->>S: Messaggi/Comandi (AES-128)
+        S->>C: Risposte/Broadcast (AES-128)
+    end
+```
\ No newline at end of file

From b98a89073876b57b628c00b272506f9a7b54a96d Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Mon, 21 Apr 2025 17:46:22 +0200
Subject: [PATCH 13/18] ``` Add user authentication with password hashing

- Integrated Argon2 for password hashing and verification
- Added bcrypt and thiserror dependencies
- Updated database schema with admin and ban flags
- Implemented user account creation and login logic
- Enhanced error handling for database operations
```
---
 Cargo.lock                           |  66 ++++++++++++++-
 Cargo.toml                           |   5 +-
 db.sqlite                            | Bin 28672 -> 28672 bytes
 db.sqlite-journal                    | Bin 0 -> 4616 bytes
 migrations/002_create_admin_flag.sql |   2 +
 migrations/003_create_ban_flag.sql   |   5 ++
 src/client/mod.rs                    |  87 ++++++++++++++++++-
 src/db/mod.rs                        | 121 ++++++++++++++++++++++++++-
 src/main.rs                          |   2 +-
 9 files changed, 278 insertions(+), 10 deletions(-)
 create mode 100644 db.sqlite-journal
 create mode 100644 migrations/002_create_admin_flag.sql
 create mode 100644 migrations/003_create_ban_flag.sql

diff --git a/Cargo.lock b/Cargo.lock
index 58ccc92..48022a7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -131,6 +131,18 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "argon2"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c3610892ee6e0cbce8ae2700349fcf8f98adb0dbfbee85aec3c9179d29cc072"
+dependencies = [
+ "base64ct",
+ "blake2",
+ "cpufeatures",
+ "password-hash",
+]
+
 [[package]]
 name = "atoi"
 version = "2.0.0"
@@ -179,6 +191,19 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
+[[package]]
+name = "bcrypt"
+version = "0.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "92758ad6077e4c76a6cadbce5005f666df70d4f13b19976b1a8062eef880040f"
+dependencies = [
+ "base64 0.22.1",
+ "blowfish",
+ "getrandom 0.3.1",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "bitflags"
 version = "2.6.0"
@@ -188,6 +213,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "blake2"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46502ad458c9a52b69d4d4d32775c788b7a1b85e8bc9d482d92250fc0e3f8efe"
+dependencies = [
+ "digest",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.10.4"
@@ -197,6 +231,16 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "blowfish"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e412e2cd0f2b2d93e02543ceae7917b3c70331573df19ee046bcbc35e45e87d7"
+dependencies = [
+ "byteorder",
+ "cipher",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.16.0"
@@ -250,7 +294,9 @@ name = "chatserver"
 version = "0.1.0"
 dependencies = [
  "aes-gcm",
+ "argon2",
  "base64 0.21.7",
+ "bcrypt",
  "chrono",
  "colog",
  "crossterm",
@@ -261,6 +307,7 @@ dependencies = [
  "ratatui",
  "serde",
  "sqlx",
+ "thiserror",
  "tokio",
  "toml",
  "x25519-dalek",
@@ -1379,6 +1426,17 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "password-hash"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "346f04948ba92c43e8469c1ee6736c7563d71012b17d40745260fe106aac2166"
+dependencies = [
+ "base64ct",
+ "rand_core",
+ "subtle",
+]
+
 [[package]]
 name = "paste"
 version = "1.0.15"
@@ -2122,18 +2180,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.11"
+version = "2.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d452f284b73e6d76dd36758a0c8684b1d5be31f92b89d07fd5822175732206fc"
+checksum = "567b8a2dae586314f7be2a752ec7474332959c6460e02bde30d702a66d488708"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.11"
+version = "2.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26afc1baea8a989337eeb52b6e72a039780ce45c3edfcc9c5b9d112feeb173c2"
+checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 8a8fe4c..f4e8af5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,4 +18,7 @@ toml = "0.8.19"
 ratatui = "0.29.0"
 crossterm = "0.28.1"
 chrono = "0.4.39"
-sqlx = { version = "0.8", features = [ "sqlite", "runtime-tokio", "tls-native-tls" ] }
\ No newline at end of file
+sqlx = { version = "0.8", features = [ "sqlite", "runtime-tokio", "tls-native-tls" ] }
+bcrypt = "0.17.0"
+argon2 = "0.5.3"
+thiserror = "2.0.12"
diff --git a/db.sqlite b/db.sqlite
index 54f9924fee6e4c0dd94f35165341aaf8827c53c4..ce0640b8b4906cc876ee5a35ab39450545b5107c 100644
GIT binary patch
delta 889
zcmZp8z}WDBae}m<00RR9I}pPF+e95>NdX4Essdi#I0iQE2nN1x{_Wfmd<ncfJX<z4
zKH%bNiezRN7Z+!26`Y*G`#oAmA+tC>F(o%MPr=FG-^bO_Pr=32%`wy`M8VC`C)gD%
zpOl!Fmzsi00Z=x+C^fM-KTjddG054&F-XJ6)KpV*@)n*|Ec`zhnKmc!E@I+h=DWkd
zKabyr@6KjHfpdKIam?(D+QytYEX>J3-6g3CKywt*auU;x42(>54NP>63>6Gbt&B~q
zjEsY)&3C?@Bkm`%mr3)+p0df4=BdYd?n?P&;THIgWzn=t6OYf4`)kwb=c%#y)y1Zh
z(F|v7$`Y8^8TCQtGeOOV_!4G=Gr|fZODhA58Iy0uCEoT?)s5_ENek!pVEZ>q_HdoR
zM=_!HHE!);iqZcLv+#V)bTeD9CgSV){frF9<}^*7C!fZ}%>RLb{}2B+{tuf46&~>`
zu`)9<GBblnCMITPPEKC_iwsPBpBea5_&)Qe@N4sH1O5MyuRfoRgF&*<pM!%TJrfwd
znJS4z>G^p^nJFq|wuY7}xj@3i)J&(u)<~zo)=))TJ0r}|)wC?hDNWn0Dl4PZAl)Om
zT%{_{C?YG(Aj{ZT-!rwq(YeUj)jcK0$<(4aQ{ON%wV=YiBBb0a)70H4Fq?&yLA=o)
z7}eRSDv9-YZ8OP@$T9LNOD{IcNly3AF%9zZPAYR$@kz}Hbj_&BO$sb6at-qLbM{Mh
zEzNh!woD3gD|K^@D$-7O4+sr2@JcoSCP{s9@!Z6s%>3lU<m5ykU!GT#gOkC~$k>E~
zflrZ<g+Wp@F)sxe`5+-K{znW<{5Kf*zw+Mz!#BX-Jjid(|Av8;m6KVV5$tXjpfSQ=
zLz#grk-XIOqI@o9Nk&Kzvhe~18Tr2g4FPI?%`eNz2-H|woLW@OhQoYalFSDHF6sjX

delta 231
zcmZp8z}WDBae}lU3j+fKI}pPF^F$qENfrjZssdjA9}H|fTNwDd`M2}N@g?x`@NC&E
zC}6`gc?-`fmd1K!_RUGWi<sCL`R6h4&)Y1hFol2eJoz*r{|^KIpUr{+PxvPW@bNJ-
zb8_+mO=sl)z`*|jEG)yoz{kkKASs%dmr|6PXlP_?!Ub0Gje-9gR3nE7C$l6cL;*xQ
ViX;akvp8pIacWU9rcN$|P5_UgINAUJ

diff --git a/db.sqlite-journal b/db.sqlite-journal
new file mode 100644
index 0000000000000000000000000000000000000000..55c0fd2ac839f28b3c3ab56c8b1862c7f38779a1
GIT binary patch
literal 4616
zcmeIvKTpCy6aes(pw>jF3u%~Kx|M|XN<{_+Xxb_gDnto!yZ)g)=pRySOS<t9{T2>7
z@dd0CqdUGg+<WhCczM4==ooqT>$B`G5vr8w=J){BDGO9<><6mU4~TW@2i9Q)RygH#
zVK)!}0T2KI5C8!X009sH0T2Lze<ToJFsQjV83uWjL=ojl;>8iB4xja<9v_xRN4aag
z_i<~}mv}+&=L1d2tl?77i<O^>-h-X<MT8ftrMQyi_M^KQsEMo@PB2vNx3n!$ce68g
zFZqZn2A-~~=ZM>zA&u7VAHzD~BEX}}+v33X%s`oqpR8=ak6nMN`9)|=(?pw@6LsQh
zX{@h%)=W=z^(_%R<N0+ij%=~~$Tr7?B%!fQY@3w*ZLPsvAqmSJ2G!51sM#Qqlepyf
JChvY<{{Z(_Reb;e

literal 0
HcmV?d00001

diff --git a/migrations/002_create_admin_flag.sql b/migrations/002_create_admin_flag.sql
new file mode 100644
index 0000000..ec70f0e
--- /dev/null
+++ b/migrations/002_create_admin_flag.sql
@@ -0,0 +1,2 @@
+ALTER TABLE users
+ADD COLUMN is_admin BOOLEAN DEFAULT FALSE;
diff --git a/migrations/003_create_ban_flag.sql b/migrations/003_create_ban_flag.sql
new file mode 100644
index 0000000..2459b6a
--- /dev/null
+++ b/migrations/003_create_ban_flag.sql
@@ -0,0 +1,5 @@
+ALTER TABLE users
+ADD COLUMN is_banned BOOLEAN DEFAULT FALSE;
+
+ALTER TABLE users
+ADD COLUMN ban_reason VARCHAR(255);
diff --git a/src/client/mod.rs b/src/client/mod.rs
index 283d75c..a6fe033 100644
--- a/src/client/mod.rs
+++ b/src/client/mod.rs
@@ -4,6 +4,7 @@ pub(crate) mod handlers {
         Aes256Gcm, Key, Nonce,
     };
 
+    use crate::db::users::{check_for_account, create_user, hash_password, verify_password};
     use base64::{engine::general_purpose::STANDARD as BASE64, Engine as _};
     use log::{debug, error, info};
     use serde::Deserialize;
@@ -12,8 +13,6 @@ pub(crate) mod handlers {
     use tokio::net::TcpStream;
     use tokio::sync::broadcast;
     use x25519_dalek::{EphemeralSecret, PublicKey};
-
-    use crate::db::users::create_user;
     /*
         Specifications of the packet
         32 bytes - Command name
@@ -86,8 +85,90 @@ pub(crate) mod handlers {
         let username = Arc::new(String::from_utf8(decrypted)?);
         let username_read = Arc::clone(&username); // Clone the Arc for read task
         let username_write = Arc::clone(&username); // Clone the Arc for write task
+        info!("Username received: {}", username);
 
-        create_user(&username, "1234").await?;
+        // Check if the user already exists in the database
+        if check_for_account(&username).await? {
+            info!("User {} already exists", username);
+            // Send a message to the client
+            let message = format!("User {} is registered, input your password", username);
+            let encrypted = match cipher_writer.encrypt(&nonce_writer, message.as_bytes()) {
+                Ok(encrypted) => encrypted,
+                Err(e) => {
+                    error!("Encryption error: {}", e);
+                    return Ok(());
+                }
+            };
+            let message = format!("{}\n", BASE64.encode(&encrypted));
+            writer.write_all(message.as_bytes()).await?;
+
+            // Read the password from the client
+            line.clear();
+            reader.read_line(&mut line).await?;
+            let decoded = BASE64.decode(line.trim().as_bytes())?;
+            let decrypted = cipher_reader
+                .decrypt(&nonce_reader, decoded.as_ref())
+                .unwrap();
+            // verifiy password
+            let password = String::from_utf8(decrypted)?;
+            if verify_password(&password, &username).await.is_ok() {
+                info!("Password verified successfully");
+                // Send a success message to the client
+                let message = format!("Welcome back, {}!", username);
+                let encrypted = match cipher_writer.encrypt(&nonce_writer, message.as_bytes()) {
+                    Ok(encrypted) => encrypted,
+                    Err(e) => {
+                        error!("Encryption error: {}", e);
+                        return Ok(());
+                    }
+                };
+                let message = format!("{}\n", BASE64.encode(&encrypted));
+                writer.write_all(message.as_bytes()).await?;
+            } else {
+                info!("Password verification failed");
+                // Send an error message to the client
+                let message = format!("Invalid password for user {}", username);
+                let encrypted = match cipher_writer.encrypt(&nonce_writer, message.as_bytes()) {
+                    Ok(encrypted) => encrypted,
+                    Err(e) => {
+                        error!("Encryption error: {}", e);
+                        return Ok(());
+                    }
+                };
+                let message = format!("{}\n", BASE64.encode(&encrypted));
+                writer.write_all(message.as_bytes()).await?;
+                return Ok(());
+            }
+        } else {
+            // User does not exist, create a new account
+            // Send a message to the client
+            let message = format!("User {} is not registered, input your password", username);
+            let encrypted = match cipher_writer.encrypt(&nonce_writer, message.as_bytes()) {
+                Ok(encrypted) => encrypted,
+                Err(e) => {
+                    error!("Encryption error: {}", e);
+                    return Ok(());
+                }
+            };
+            let message = format!("{}\n", BASE64.encode(&encrypted));
+            writer.write_all(message.as_bytes()).await?;
+            // Read the password from the client
+            line.clear();
+            reader.read_line(&mut line).await?;
+            let decoded = BASE64.decode(line.trim().as_bytes())?;
+            let decrypted = cipher_reader
+                .decrypt(&nonce_reader, decoded.as_ref())
+                .unwrap();
+            let password = String::from_utf8(decrypted)?;
+            info!("Password received");
+            // Hash the password
+            let password_hash = hash_password(&password).await;
+            let password_hash = password_hash.as_str();
+            info!("Password hashed successfully");
+            debug!("Hash: {}", password_hash);
+            // Create the user in the database
+            create_user(&username, password_hash).await?;
+        }
 
         // Read task for receiving messages from the client
         let read_task = tokio::spawn(async move {
diff --git a/src/db/mod.rs b/src/db/mod.rs
index 5e99f89..5b17473 100644
--- a/src/db/mod.rs
+++ b/src/db/mod.rs
@@ -1,5 +1,21 @@
 pub(crate) mod users {
-    use sqlx::sqlite::SqlitePool;
+    use argon2::{
+        password_hash::{PasswordHash, PasswordHasher, PasswordVerifier, SaltString},
+        Argon2,
+    };
+    use log::info;
+    use sqlx::{sqlite::SqlitePool, Row};
+    use thiserror::Error;
+
+    #[derive(Error, Debug)]
+    pub enum DbError {
+        #[error("Database error: {0}")]
+        Database(#[from] sqlx::Error),
+        #[error("Password hashing error: {0}")]
+        Hashing(argon2::password_hash::Error),
+        #[error("User not found")]
+        UserNotFound,
+    }
 
     pub async fn connect_to_db() -> Result<SqlitePool, sqlx::Error> {
         let pool = SqlitePool::connect("sqlite:./db.sqlite").await?;
@@ -12,6 +28,46 @@ pub(crate) mod users {
         Ok(pool)
     }
 
+    pub async fn get_user_by_username(
+        username: &str,
+    ) -> Result<Option<(i64, String)>, sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        let user = sqlx::query(
+            r#"
+            SELECT id, username
+            FROM users
+            WHERE username = ?
+            "#,
+        )
+        .bind(username)
+        .fetch_optional(&pool)
+        .await?;
+
+        Ok(user.map(|row| (row.get(0), row.get(1))))
+    }
+
+    pub async fn check_for_account(username: &str) -> Result<bool, sqlx::Error> {
+        // Fixed error type
+        let pool = create_db_pool().await?;
+
+        let exists = sqlx::query(
+            r#"
+            SELECT EXISTS(
+                SELECT 1
+                FROM users
+                WHERE username = ?
+            )
+            "#,
+        )
+        .bind(username)
+        .fetch_one(&pool)
+        .await?
+        .get::<i64, _>(0);
+
+        Ok(exists == 1)
+    }
+
     pub async fn create_user(username: &str, password_hash: &str) -> Result<(), sqlx::Error> {
         let pool = create_db_pool().await?;
 
@@ -27,4 +83,67 @@ pub(crate) mod users {
         .await?;
         Ok(())
     }
+
+    pub async fn hash_password(password: &str) -> String {
+        let salt = SaltString::generate(&mut rand::thread_rng());
+        let argon2 = Argon2::default();
+        let password_hash = argon2
+            .hash_password(password.as_bytes(), &salt)
+            .expect("Failed to hash password");
+        password_hash.to_string()
+    }
+
+    pub async fn verify_password(
+        // Use clearer argument names
+        username: &str,
+        provided_password: &str,
+    ) -> Result<bool, DbError> {
+        let pool = create_db_pool().await?; // Propagates sqlx::Error
+
+        // Fetch the stored hash for the user
+        let user_row = sqlx::query(
+            r#"
+            SELECT password_hash
+            FROM users
+            WHERE username = ?
+            "#,
+        )
+        .bind(username)
+        .fetch_optional(&pool) // Use fetch_optional to handle not found case
+        .await?;
+
+        // Get the stored hash string or return error if user not found
+        let stored_hash_str = match user_row {
+            Some(row) => row.get::<String, _>(0),
+            None => return Err(DbError::UserNotFound),
+        };
+
+        // Parse the stored hash
+        let parsed_hash = PasswordHash::new(&stored_hash_str).map_err(DbError::Hashing)?; // Manually map the error
+
+        let argon2 = Argon2::default();
+
+        let verification_result =
+            argon2.verify_password(provided_password.as_bytes(), &parsed_hash);
+
+        // Check the result and return true/false accordingly
+        match verification_result {
+            Ok(()) => {
+                info!("Password check successful for user: {}", username);
+                Ok(true)
+            }
+            Err(argon2::password_hash::Error::Password) => {
+                info!("Password check failed (mismatch) for user: {}", username);
+                Ok(false)
+            }
+            Err(e) => {
+                // Handle other potential argon2 errors (e.g., invalid hash format)
+                info!(
+                    "Password check failed for user {} with error: {}",
+                    username, e
+                );
+                Err(DbError::Hashing(e))
+            }
+        }
+    }
 }
diff --git a/src/main.rs b/src/main.rs
index 6202b4d..698357a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,6 @@
 mod client;
-mod tui; // Add this new module
 mod db;
+mod tui;
 
 use client::handlers::handle_client;
 use db::users::create_db_pool;

From d06a15771a210005c3f003e8baa653d37ee1a62b Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Mon, 21 Apr 2025 18:36:30 +0200
Subject: [PATCH 14/18] Add ban check and reason retrieval for user
 authentication

- Introduced `check_ban` and `get_ban_reason` functions in `db::users`
- Updated client handler to enforce ban checks during login
- Added detailed logging for ban status and reasons
---
 db.sqlite         | Bin 28672 -> 28672 bytes
 db.sqlite-journal | Bin 4616 -> 0 bytes
 src/client/mod.rs |  36 +++++++++++++++++++++++-
 src/db/mod.rs     |  68 ++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 103 insertions(+), 1 deletion(-)
 delete mode 100644 db.sqlite-journal

diff --git a/db.sqlite b/db.sqlite
index ce0640b8b4906cc876ee5a35ab39450545b5107c..5fd4abf9067db9e92e56b836f645d27d28b24b34 100644
GIT binary patch
delta 62
zcmZp8z}WDBae_3X;6xc`RzU{6c&Uvki}cyvGVrJHz1_@X@Q{zIl#PQyveBP|Q*!cO
SyL7gk#InSa%*`qGa|{4o#uLy0

delta 68
zcmV-K0K5Ny-~oW(0gxL35Rn{11rPu(dT_C1qAv#X01spi^Ro;v;SP~d1`uxs2ml#@
aPY4JAXK7(>ZfTQnKOd7EKSHx)Kb$b-`W0gU

diff --git a/db.sqlite-journal b/db.sqlite-journal
deleted file mode 100644
index 55c0fd2ac839f28b3c3ab56c8b1862c7f38779a1..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 4616
zcmeIvKTpCy6aes(pw>jF3u%~Kx|M|XN<{_+Xxb_gDnto!yZ)g)=pRySOS<t9{T2>7
z@dd0CqdUGg+<WhCczM4==ooqT>$B`G5vr8w=J){BDGO9<><6mU4~TW@2i9Q)RygH#
zVK)!}0T2KI5C8!X009sH0T2Lze<ToJFsQjV83uWjL=ojl;>8iB4xja<9v_xRN4aag
z_i<~}mv}+&=L1d2tl?77i<O^>-h-X<MT8ftrMQyi_M^KQsEMo@PB2vNx3n!$ce68g
zFZqZn2A-~~=ZM>zA&u7VAHzD~BEX}}+v33X%s`oqpR8=ak6nMN`9)|=(?pw@6LsQh
zX{@h%)=W=z^(_%R<N0+ij%=~~$Tr7?B%!fQY@3w*ZLPsvAqmSJ2G!51sM#Qqlepyf
JChvY<{{Z(_Reb;e

diff --git a/src/client/mod.rs b/src/client/mod.rs
index a6fe033..dd6c3de 100644
--- a/src/client/mod.rs
+++ b/src/client/mod.rs
@@ -4,7 +4,9 @@ pub(crate) mod handlers {
         Aes256Gcm, Key, Nonce,
     };
 
-    use crate::db::users::{check_for_account, create_user, hash_password, verify_password};
+    use crate::db::users::{
+        check_ban, check_for_account, create_user, get_ban_reason, hash_password, verify_password,
+    };
     use base64::{engine::general_purpose::STANDARD as BASE64, Engine as _};
     use log::{debug, error, info};
     use serde::Deserialize;
@@ -89,6 +91,38 @@ pub(crate) mod handlers {
 
         // Check if the user already exists in the database
         if check_for_account(&username).await? {
+            // Check if the user is banned
+            if check_ban(&username).await? == true {
+                let ban_reason_result = get_ban_reason(&username).await;
+
+                let message: String = match ban_reason_result {
+                    Ok(Some(reason)) => {
+                        info!("User {} is banned, Reason: {}", username, reason);
+                        format!("User {} is banned, Reason: {}", username, reason).to_string()
+                    }
+                    Ok(None) => {
+                        info!("User {} is banned, but no reason provided", username);
+                        format!("User {} is banned, but no reason provided", username).to_string()
+                    }
+                    Err(e) => {
+                        error!("Error fetching ban reason: {}", e);
+                        format!("You are banned").to_string();
+                        return Ok(());
+                    }
+                };
+
+                let encrypted = match cipher_writer.encrypt(&nonce_writer, message.as_bytes()) {
+                    Ok(encrypted) => encrypted,
+                    Err(e) => {
+                        error!("Encryption error: {}", e);
+                        return Ok(());
+                    }
+                };
+                let message = format!("{}\n", BASE64.encode(&encrypted));
+                writer.write_all(message.as_bytes()).await?;
+                return Ok(());
+            }
+
             info!("User {} already exists", username);
             // Send a message to the client
             let message = format!("User {} is registered, input your password", username);
diff --git a/src/db/mod.rs b/src/db/mod.rs
index 5b17473..bb6b225 100644
--- a/src/db/mod.rs
+++ b/src/db/mod.rs
@@ -93,6 +93,74 @@ pub(crate) mod users {
         password_hash.to_string()
     }
 
+    pub async fn check_ban(username: &str) -> Result<bool, sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        let is_banned = sqlx::query(
+            r#"
+            SELECT EXISTS(
+                SELECT 1
+                FROM users
+                WHERE username = ?
+            )
+            "#,
+        )
+        .bind(username)
+        .fetch_one(&pool)
+        .await?
+        .get::<i64, _>(0);
+
+        // Check if the user is banned
+        if is_banned == 1 {
+            info!("User {} is banned", username);
+        } else {
+            info!("User {} is not banned", username);
+        }
+
+        Ok(is_banned == 1)
+    }
+
+    pub async fn get_ban_reason(username: &str) -> Result<Option<String>, sqlx::Error> {
+        let pool = create_db_pool().await?;
+        info!("Attempting to fetch ban reason for user: {}", username);
+
+        let row_option = sqlx::query(
+            r#"
+            SELECT ban_reason
+            FROM users
+            WHERE username = ?
+            "#,
+        )
+        .bind(username)
+        .fetch_optional(&pool)
+        .await?;
+
+        // Process the result
+        match row_option {
+            Some(row) => {
+                // Row found, now get the ban_reason (which might be NULL)
+                let reason: Option<String> = row.get(0); // Type annotation clarifies intent
+                if let Some(ref r) = reason {
+                    info!("User {} found. Ban reason: {}", username, r);
+                } else {
+                    // User exists, but ban_reason is NULL in the database
+                    info!(
+                        "User {} found, but ban_reason is NULL (not banned)",
+                        username
+                    );
+                }
+                Ok(reason)
+            }
+            None => {
+                // No row found for the username
+                info!("User {} not found in the database", username);
+                // Return Ok(None) as per the function signature, indicating no ban reason found
+                // because the user doesn't exist.
+                Ok(None)
+            }
+        }
+    }
+
     pub async fn verify_password(
         // Use clearer argument names
         username: &str,

From 91b6942348b26a307f57487edaab51f88429fd0f Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Tue, 22 Apr 2025 17:39:24 +0200
Subject: [PATCH 15/18] Add ban and unban functionality with admin verification

- Implement /ban and /unban commands for admins
- Add database functions to ban and unban users
- Update user verification to include ban status
- Remove unused get_user_by_username function
- Improve server logging and error handling
---
 db.sqlite         | Bin 28672 -> 28672 bytes
 src/client/mod.rs | 186 +++++++++++++++++++++++++++++++++++++++++-----
 src/db/mod.rs     |  78 ++++++++++++++-----
 src/main.rs       |   3 +-
 4 files changed, 226 insertions(+), 41 deletions(-)

diff --git a/db.sqlite b/db.sqlite
index 5fd4abf9067db9e92e56b836f645d27d28b24b34..316f5189c81d754ecb903fc2b1b2066c0fbacd67 100644
GIT binary patch
delta 844
zcmbu7J5SqC7=|5jNgP59l_)}u)C`uYs#0?!P9n96fW|nn9p`?N7;MKmagEP0wv!kn
z3i$_AnLG6tR7}jB+qom^S}`)Wwo%tIbo<UbJbKUbeV4a^%iF-!vq0=)>|iB^y*@L(
z3_m5dqIXy@a*h#K(cjUd_3!IPk-NzG_2veM5O6JoZO?^J2$NM2qJ>d>UN=v&V^iQP
zC7n5Q=uz2#%B~JbX^?ehyA_+y@I%#VXQ~ral?(m!u!n>RH{fSf(t%9r1gQXq|56S2
zA$rutQ~_P3D%%aQfw<E#1G{vo56D?Ac`Uv!^)iQ0p)#C}ENNy<9XVy$^^TJTuvD4C
zcS*I%_7NV!cKoh}3c<wk%i45pR&nZ$_5_{+j@S5npW*;%<rtmKOH^KKmf6ghtFwhH
z(pZW;)lyk$Hc2q_wBmGkQL8<VxWC_Wxj5@`eFYbKjTviANwo^E8YQbx7Wy?F0a72f
z40&c`s?>4saGctcYpOmeiA^y<jqGw>w|WD*?+9Qj%Y8I?VJdM+gismAM<&wa_E@#z
zmSRp7^Ywf^_@D@9b<tE2DVhMmv^pfGZ&QWEhvMdimS{3k%PQokWU2!y#-LF)P@R;M
zgK{ddC+8_!HE6(ea>7CDEZ4I3kCQrU(p<NY=Eofhp0pq7fMM7Z&nLbE+}%T!6z9>^
z2gNuGR{YF!yoeR|Up~Tu%l>!V4K1|d=xNwx2Z<YuxFPO|U&IgMEAfr^dA%9`OuWID
zwgdjLt$CAwAmQ-Rjyriv#l28hp{6W{mbSbQh5X2~6uiC{!W-Lb|G*#q58kWs;9~U;
DAK3ws

delta 270
zcmZp8z}WDBae_3X;6xc`RzU{6c&UvkbM*!JFETLky=CA};d{%U!mrJ*y;)G<HXm0h
z8wZ1Aqdy0y<YX@UbfKKYvc!_iY!+4q@kamL%)IQ>$pZHBllR#>IWjOX=!=WzCKhGp
zCnqK+Cj$BMyrLYO42DL=CL9cWj4TY2qKSDaMX8A(5ib5m3{3nt82G>P-vGlmKnoA@
zEAhW!U}fcG7H0&T&H^+=7;GjpkR_6rnqHK@`Kv#dfG`^l19S-+z{M=dn4X!KmzT)~
E0Jl#^0RR91

diff --git a/src/client/mod.rs b/src/client/mod.rs
index dd6c3de..7c3ce69 100644
--- a/src/client/mod.rs
+++ b/src/client/mod.rs
@@ -5,7 +5,8 @@ pub(crate) mod handlers {
     };
 
     use crate::db::users::{
-        check_ban, check_for_account, create_user, get_ban_reason, hash_password, verify_password,
+        ban_user, check_ban, check_for_account, create_user, get_ban_reason, hash_password,
+        unban_user, verify_admin, verify_password,
     };
     use base64::{engine::general_purpose::STANDARD as BASE64, Engine as _};
     use log::{debug, error, info};
@@ -15,6 +16,7 @@ pub(crate) mod handlers {
     use tokio::net::TcpStream;
     use tokio::sync::broadcast;
     use x25519_dalek::{EphemeralSecret, PublicKey};
+
     /*
         Specifications of the packet
         32 bytes - Command name
@@ -147,17 +149,6 @@ pub(crate) mod handlers {
             let password = String::from_utf8(decrypted)?;
             if verify_password(&password, &username).await.is_ok() {
                 info!("Password verified successfully");
-                // Send a success message to the client
-                let message = format!("Welcome back, {}!", username);
-                let encrypted = match cipher_writer.encrypt(&nonce_writer, message.as_bytes()) {
-                    Ok(encrypted) => encrypted,
-                    Err(e) => {
-                        error!("Encryption error: {}", e);
-                        return Ok(());
-                    }
-                };
-                let message = format!("{}\n", BASE64.encode(&encrypted));
-                writer.write_all(message.as_bytes()).await?;
             } else {
                 info!("Password verification failed");
                 // Send an error message to the client
@@ -203,6 +194,17 @@ pub(crate) mod handlers {
             // Create the user in the database
             create_user(&username, password_hash).await?;
         }
+        // Send a success message to the client
+        let message = format!("Welcome, {}!", username);
+        let encrypted = match cipher_writer.encrypt(&nonce_writer, message.as_bytes()) {
+            Ok(encrypted) => encrypted,
+            Err(e) => {
+                error!("Encryption error: {}", e);
+                return Ok(());
+            }
+        };
+        let message = format!("{}\n", BASE64.encode(&encrypted));
+        writer.write_all(message.as_bytes()).await?;
 
         // Read task for receiving messages from the client
         let read_task = tokio::spawn(async move {
@@ -263,6 +265,18 @@ pub(crate) mod handlers {
                                     let target_user = &parsed_message.argument[0];
                                     let msg_content = parsed_message.argument[1..].join(" ");
                                     info!("Private message to {}: {}", target_user, msg_content);
+                                    // dm format sender|target_user message
+                                    let formatted_message = format!(
+                                        "{}|{} {}",
+                                        username_read, target_user, msg_content
+                                    );
+                                    match tx.send(formatted_message) {
+                                        Ok(_) => info!("Private message sent successfully"),
+                                        Err(e) => {
+                                            error!("Failed to send private message: {:?}", e);
+                                            break;
+                                        }
+                                    }
                                 }
 
                                 "/quit" => {
@@ -270,16 +284,150 @@ pub(crate) mod handlers {
                                     break;
                                 }
 
-                                "/nickname" => {
+                                "/ban" => {
                                     if parsed_message.argument.is_empty() {
-                                        error!(
-                                            "Invalid /nickname format. Usage: /nickname new_name"
-                                        );
+                                        error!("Invalid /ban format. Usage: /ban username");
+                                        match tx
+                                            .send(format!("Error! Invalid /ban format").to_string())
+                                        {
+                                            Ok(_) => info!(
+                                                "Error message sent to client {}",
+                                                username_write
+                                            ),
+                                            Err(e) => {
+                                                error!("Failed to send error message: {:?}", e);
+                                                break;
+                                            }
+                                        }
                                         continue;
                                     }
-                                    let new_nickname = &parsed_message.argument[0];
-                                    info!("Changing nickname to: {}", new_nickname);
-                                    // Here implement your nickname change logic
+
+                                    match verify_admin(&username_read).await {
+                                        Ok(true) => {
+                                            info!("User {} is admin", username);
+                                            let target_user = &parsed_message.argument[0];
+                                            info!("Banning user: {}", target_user);
+                                            match check_ban(target_user).await {
+                                                Ok(true) => {
+                                                    info!("User {} is already banned", target_user);
+                                                    match tx.send(format!(
+                                                        "User {} is already banned",
+                                                        target_user
+                                                    )) {
+                                                        Ok(_) => info!(
+                                                            "Error message sent to client {}",
+                                                            username_write
+                                                        ),
+                                                        Err(e) => {
+                                                            error!("Failed to send error message: {:?}", e);
+                                                            break;
+                                                        }
+                                                    }
+                                                }
+                                                Ok(false) => {
+                                                    ban_user(
+                                                        target_user,
+                                                        "You're banned from this server.",
+                                                    )
+                                                    .await
+                                                    .unwrap();
+                                                    info!("User {} has been banned", target_user);
+                                                    match tx.send(
+                                                        format!(
+                                                            "User {} has been banned",
+                                                            target_user,
+                                                        )
+                                                        .to_string(),
+                                                    ) {
+                                                        Ok(_) => info!(
+                                                            "Error message sent to client {}",
+                                                            username_write
+                                                        ),
+                                                        Err(e) => {
+                                                            error!("Failed to send error message: {:?}", e);
+                                                            break;
+                                                        }
+                                                    }
+                                                    continue;
+                                                }
+                                                Err(e) => {
+                                                    error!("Error checking ban status: {:?}", e);
+                                                }
+                                            }
+                                        }
+                                        Ok(false) => {
+                                            error!("User {} is not admin", username);
+                                            continue;
+                                        }
+                                        Err(e) => {
+                                            error!("Error verifying admin: {:?}", e);
+                                            continue;
+                                        }
+                                    }
+                                }
+
+                                "/unban" => {
+                                    if parsed_message.argument.is_empty() {
+                                        error!("Invalid /unban format. Usage: /unban username");
+                                    }
+
+                                    match verify_admin(&username_read).await {
+                                        Ok(true) => {
+                                            info!("User {} is admin", username);
+                                            let target_user = &parsed_message.argument[0];
+                                            info!("Unbanning user: {}", target_user);
+                                            match check_ban(target_user).await {
+                                                Ok(true) => {
+                                                    info!("User {} is banned", target_user);
+                                                    unban_user(target_user).await.unwrap();
+                                                    info!("User {} has been unbanned", target_user);
+                                                    match tx.send(
+                                                        format!(
+                                                            "User {} has been unbanned",
+                                                            target_user,
+                                                        )
+                                                        .to_string(),
+                                                    ) {
+                                                        Ok(_) => info!(
+                                                            "Error message sent to client {}",
+                                                            username_write
+                                                        ),
+                                                        Err(e) => {
+                                                            error!("Failed to send error message: {:?}", e);
+                                                            break;
+                                                        }
+                                                    }
+                                                }
+                                                Ok(false) => {
+                                                    info!("User {} is not banned", target_user);
+                                                    match tx.send(format!(
+                                                        "User {} is not banned",
+                                                        target_user
+                                                    )) {
+                                                        Ok(_) => info!(
+                                                            "Error message sent to client {}",
+                                                            username_write
+                                                        ),
+                                                        Err(e) => {
+                                                            error!("Failed to send error message: {:?}", e);
+                                                            break;
+                                                        }
+                                                    }
+                                                }
+                                                Err(e) => {
+                                                    error!("Error checking ban status: {:?}", e);
+                                                }
+                                            }
+                                        }
+                                        Ok(false) => {
+                                            error!("User {} is not admin", username);
+                                            continue;
+                                        }
+                                        Err(e) => {
+                                            error!("Error verifying admin: {:?}", e);
+                                            continue;
+                                        }
+                                    }
                                 }
 
                                 _ => {
diff --git a/src/db/mod.rs b/src/db/mod.rs
index bb6b225..0bef885 100644
--- a/src/db/mod.rs
+++ b/src/db/mod.rs
@@ -28,25 +28,6 @@ pub(crate) mod users {
         Ok(pool)
     }
 
-    pub async fn get_user_by_username(
-        username: &str,
-    ) -> Result<Option<(i64, String)>, sqlx::Error> {
-        let pool = create_db_pool().await?;
-
-        let user = sqlx::query(
-            r#"
-            SELECT id, username
-            FROM users
-            WHERE username = ?
-            "#,
-        )
-        .bind(username)
-        .fetch_optional(&pool)
-        .await?;
-
-        Ok(user.map(|row| (row.get(0), row.get(1))))
-    }
-
     pub async fn check_for_account(username: &str) -> Result<bool, sqlx::Error> {
         // Fixed error type
         let pool = create_db_pool().await?;
@@ -101,7 +82,7 @@ pub(crate) mod users {
             SELECT EXISTS(
                 SELECT 1
                 FROM users
-                WHERE username = ?
+                WHERE username = ? AND is_banned = 1
             )
             "#,
         )
@@ -161,6 +142,43 @@ pub(crate) mod users {
         }
     }
 
+    pub async fn ban_user(username: &str, ban_reason: &str) -> Result<(), sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        // Use a single query to update the user
+        sqlx::query(
+            r#"
+            UPDATE users
+            SET is_banned = 1, ban_reason = ?
+            WHERE username = ?
+            "#,
+        )
+        .bind(ban_reason)
+        .bind(username)
+        .execute(&pool)
+        .await?;
+
+        Ok(())
+    }
+
+    pub async fn unban_user(username: &str) -> Result<(), sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        // Use a single query to update the user
+        sqlx::query(
+            r#"
+            UPDATE users
+            SET is_banned = 0, ban_reason = NULL
+            WHERE username = ?
+            "#,
+        )
+        .bind(username)
+        .execute(&pool)
+        .await?;
+
+        Ok(())
+    }
+
     pub async fn verify_password(
         // Use clearer argument names
         username: &str,
@@ -214,4 +232,24 @@ pub(crate) mod users {
             }
         }
     }
+
+    pub async fn verify_admin(username: &str) -> Result<bool, sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        let is_admin = sqlx::query(
+            r#"
+            SELECT EXISTS(
+                SELECT 1
+                FROM users
+                WHERE username = ? AND is_admin = 1
+            )
+            "#,
+        )
+        .bind(username)
+        .fetch_one(&pool)
+        .await?
+        .get::<i64, _>(0);
+
+        Ok(is_admin == 1)
+    }
 }
diff --git a/src/main.rs b/src/main.rs
index 698357a..1605e11 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -86,11 +86,10 @@ async fn main() {
     let listener = TcpListener::bind(config.address + ":" + config.port.as_str())
         .await
         .unwrap();
-    info!("Server running on port 8080");
+    info!("Server running on port {}", config.port);
 
     // Create a broadcast channel for sharing messages
     let (tx, _) = broadcast::channel(100);
-
     loop {
         // Accept a new client
         let (socket, addr) = listener.accept().await.unwrap();

From 6a9068296e5b56b106bc4ece9d1cb4b7291a0233 Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Tue, 22 Apr 2025 23:03:49 +0200
Subject: [PATCH 16/18] Add new dependencies and implement chat UI with Ratatui

- Updated `Cargo.toml` to include new dependencies: `ratatui`, `crossterm`, `reqwest`, and `notify-rust`.
- Enhanced `main.rs` with a terminal-based chat UI using Ratatui.
- Added support for message rendering, input handling, and notifications.
- Implemented file download functionality and DM message handling.
---
 Cargo.lock  | 2340 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 Cargo.toml  |    6 +-
 src/main.rs |  382 ++++++++-
 3 files changed, 2682 insertions(+), 46 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 68ce80c..c42765c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -61,6 +61,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "allocator-api2"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
+
 [[package]]
 name = "anstream"
 version = "0.6.18"
@@ -110,6 +116,155 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "async-broadcast"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "435a87a52755b8f27fcf321ac4f04b2802e337c8c4872923137471ec39c37532"
+dependencies = [
+ "event-listener",
+ "event-listener-strategy",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-channel"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89b47800b0be77592da0afd425cc03468052844aff33b84e33cc696f64e77b6a"
+dependencies = [
+ "concurrent-queue",
+ "event-listener-strategy",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-executor"
+version = "1.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30ca9a001c1e8ba5149f91a74362376cc6bc5b919d92d988668657bd570bdcec"
+dependencies = [
+ "async-task",
+ "concurrent-queue",
+ "fastrand",
+ "futures-lite",
+ "slab",
+]
+
+[[package]]
+name = "async-fs"
+version = "2.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebcd09b382f40fcd159c2d695175b2ae620ffa5f3bd6f664131efff4e8b9e04a"
+dependencies = [
+ "async-lock",
+ "blocking",
+ "futures-lite",
+]
+
+[[package]]
+name = "async-io"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43a2b323ccce0a1d90b449fd71f2a06ca7faa7c54c2751f06c9bd851fc061059"
+dependencies = [
+ "async-lock",
+ "cfg-if",
+ "concurrent-queue",
+ "futures-io",
+ "futures-lite",
+ "parking",
+ "polling",
+ "rustix 0.38.44",
+ "slab",
+ "tracing",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "async-lock"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff6e472cdea888a4bd64f342f09b3f50e1886d32afe8df3d663c01140b811b18"
+dependencies = [
+ "event-listener",
+ "event-listener-strategy",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-process"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63255f1dc2381611000436537bbedfe83183faa303a5a0edaf191edef06526bb"
+dependencies = [
+ "async-channel",
+ "async-io",
+ "async-lock",
+ "async-signal",
+ "async-task",
+ "blocking",
+ "cfg-if",
+ "event-listener",
+ "futures-lite",
+ "rustix 0.38.44",
+ "tracing",
+]
+
+[[package]]
+name = "async-recursion"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b43422f69d8ff38f95f1b2bb76517c91589a924d1559a0e935d7c8ce0274c11"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "async-signal"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "637e00349800c0bdf8bfc21ebbc0b6524abea702b0da4168ac00d070d0c0b9f3"
+dependencies = [
+ "async-io",
+ "async-lock",
+ "atomic-waker",
+ "cfg-if",
+ "futures-core",
+ "futures-io",
+ "rustix 0.38.44",
+ "signal-hook-registry",
+ "slab",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "async-task"
+version = "4.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b75356056920673b02621b35afd0f7dda9306d03c79a30f5c56c44cf256e3de"
+
+[[package]]
+name = "async-trait"
+version = "0.1.88"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e539d3fca749fcee5236ab05e93a52867dd549cc157c8cb7f99595f3cedffdb5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "atomic-waker"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
+
 [[package]]
 name = "autocfg"
 version = "1.4.0"
@@ -137,12 +292,46 @@ version = "0.21.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
 
+[[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
 [[package]]
 name = "bitflags"
 version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
+[[package]]
+name = "block2"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "340d2f0bdb2a43c1d3cd40513185b2bd7def0aa1052f956455114bc98f82dcf2"
+dependencies = [
+ "objc2",
+]
+
+[[package]]
+name = "blocking"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "703f41c54fc768e63e091340b424302bb1c29ef4aa0c7f10fe849dfb114d29ea"
+dependencies = [
+ "async-channel",
+ "async-task",
+ "futures-io",
+ "futures-lite",
+ "piper",
+]
+
+[[package]]
+name = "bumpalo"
+version = "3.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf"
+
 [[package]]
 name = "byteorder"
 version = "1.5.0"
@@ -155,23 +344,57 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ac0150caa2ae65ca5bd83f25c7de183dea78d4d366469f148435e2acfbad0da"
 
+[[package]]
+name = "cassowary"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df8670b8c7b9dae1793364eafadf7239c40d669904660c5960d74cfd80b46a53"
+
+[[package]]
+name = "castaway"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0abae9be0aaf9ea96a3b1b8b1b55c602ca751eba1b1500220cea4ecbafe7c0d5"
+dependencies = [
+ "rustversion",
+]
+
+[[package]]
+name = "cc"
+version = "1.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e3a13707ac958681c13b39b458c073d0d9bc8a22cb1b2f4c8e55eb72c13f362"
+dependencies = [
+ "shlex",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "cfg_aliases"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
+
 [[package]]
 name = "chatclient"
 version = "0.1.0"
 dependencies = [
  "aes-gcm",
- "base64",
+ "base64 0.21.7",
  "colog",
+ "crossterm 0.27.0",
  "crypto",
  "log",
+ "notify-rust",
  "rand",
  "rand_core",
+ "ratatui",
+ "reqwest",
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  "tokio",
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@@ -216,6 +439,45 @@ dependencies = [
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+checksum = "3b79c4069c6cad78e2e0cdfcbd26275770669fb39fd308a752dc110e83b9af32"
+dependencies = [
+ "castaway",
+ "cfg-if",
+ "itoa",
+ "rustversion",
+ "ryu",
+ "static_assertions",
+]
+
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+checksum = "4ca0197aee26d1ae37445ee532fefce43251d24cc7c166799f4d46817f1d3973"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
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+checksum = "91e195e091a93c46f7102ec7818a2aa394e1e1771c3ab4825963fa03e45afb8f"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
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+
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+
 [[package]]
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@@ -225,6 +487,53 @@ dependencies = [
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+[[package]]
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+
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+dependencies = [
+ "bitflags",
+ "crossterm_winapi",
+ "libc",
+ "mio 0.8.11",
+ "parking_lot",
+ "signal-hook",
+ "signal-hook-mio",
+ "winapi",
+]
+
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+dependencies = [
+ "bitflags",
+ "crossterm_winapi",
+ "mio 1.0.2",
+ "parking_lot",
+ "rustix 0.38.44",
+ "signal-hook",
+ "signal-hook-mio",
+ "winapi",
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+
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+dependencies = [
+ "winapi",
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+
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@@ -280,6 +589,113 @@ dependencies = [
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+ "ident_case",
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+
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+checksum = "ba2f4b465f5318854c6f8dd686ede6c0a9dc67d4b1ac241cf0eb51521a309147"
+dependencies = [
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+ "serde",
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
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+dependencies = [
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+ "futures-core",
+ "futures-io",
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+ "pin-project-lite",
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+
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+ "futures-task",
+ "pin-project-lite",
+ "pin-utils",
+]
+
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@@ -345,7 +880,19 @@ checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
 dependencies = [
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  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
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+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasi 0.14.2+wasi-0.2.4",
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+[[package]]
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+ "bytes",
+ "fnv",
+ "futures-core",
+ "futures-sink",
+ "http",
+ "indexmap",
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+ "tokio",
+ "tokio-util",
+ "tracing",
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+
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+ "icu_provider_macros",
+ "stable_deref_trait",
+ "tinystr",
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+ "syn",
+]
+
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+ "smallvec",
+ "utf8_iter",
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+dependencies = [
+ "icu_normalizer",
+ "icu_properties",
+]
+
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@@ -392,6 +1239,12 @@ dependencies = [
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+[[package]]
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+
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@@ -401,12 +1254,56 @@ dependencies = [
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+[[package]]
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+ "quote",
+ "syn",
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+
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+[[package]]
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+dependencies = [
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+dependencies = [
+ "once_cell",
+ "wasm-bindgen",
+]
+
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@@ -415,9 +1312,27 @@ checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
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-checksum = "433bfe06b8c75da9b2e3fbea6e5329ff87748f0b144ef75306e674c3f6f7c13f"
+checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
+
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+
+[[package]]
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+
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+checksum = "23fb14cb19457329c82206317a5663005a4d404783dc74f4252769b0d5f42856"
 
 [[package]]
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@@ -435,12 +1350,48 @@ version = "0.4.22"
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 checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
+[[package]]
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+checksum = "234cf4f4a04dc1f57e24b96cc0cd600cf2af460d4161ac5ecdd0af8e1f3b2a38"
+dependencies = [
+ "hashbrown",
+]
+
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+checksum = "0b95dfb34071d1592b45622bf93e315e3a72d414b6782aca9a015c12bec367ef"
+dependencies = [
+ "cc",
+ "objc2",
+ "objc2-foundation",
+ "time",
+]
+
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+
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@@ -450,18 +1401,129 @@ dependencies = [
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 ]
 
+[[package]]
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+dependencies = [
+ "libc",
+ "log",
+ "wasi 0.11.0+wasi-snapshot-preview1",
+ "windows-sys 0.48.0",
+]
+
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 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.3.9",
  "libc",
- "wasi",
+ "log",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "windows-sys 0.52.0",
 ]
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
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+ "cfg-if",
+ "cfg_aliases",
+ "libc",
+ "memoffset",
+]
+
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+ "futures-lite",
+ "log",
+ "mac-notification-sys",
+ "serde",
+ "tauri-winrt-notification",
+ "zbus",
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+dependencies = [
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+ "dispatch2",
+ "objc2",
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+
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+dependencies = [
+ "bitflags",
+ "block2",
+ "libc",
+ "objc2",
+ "objc2-core-foundation",
+]
+
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@@ -471,12 +1533,78 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "once_cell"
+version = "1.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
+
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+[[package]]
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+checksum = "fedfea7d58a1f73118430a55da6a286e7b044961736ce96a16a17068ea25e5da"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "foreign-types",
+ "libc",
+ "once_cell",
+ "openssl-macros",
+ "openssl-sys",
+]
+
+[[package]]
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+dependencies = [
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+ "quote",
+ "syn",
+]
+
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+
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+checksum = "8288979acd84749c744a9014b4382d42b8f7b2592847b5afb2ed29e5d16ede07"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
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+checksum = "9aa2b01e1d916879f73a53d01d1d6cee68adbb31d6d9177a8cfce093cced1d50"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+]
+
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+checksum = "f38d5652c16fde515bb1ecef450ab0f6a219d619a7274976324d5e377f7dceba"
+
 [[package]]
 name = "parking_lot"
 version = "0.12.3"
@@ -500,12 +1628,62 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+
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+checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
+
 [[package]]
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+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
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+checksum = "96c8c490f422ef9a4efd2cb5b42b76c8613d7e7dfc1caf667b8a3350a5acc066"
+dependencies = [
+ "atomic-waker",
+ "fastrand",
+ "futures-io",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a604568c3202727d1507653cb121dbd627a58684eb09a820fd746bee38b4442f"
+dependencies = [
+ "cfg-if",
+ "concurrent-queue",
+ "hermit-abi 0.4.0",
+ "pin-project-lite",
+ "rustix 0.38.44",
+ "tracing",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "polyval"
 version = "0.6.2"
@@ -518,6 +1696,12 @@ dependencies = [
  "universal-hash",
 ]
 
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.20"
@@ -527,6 +1711,15 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "proc-macro-crate"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ecf48c7ca261d60b74ab1a7b20da18bede46776b2e55535cb958eb595c5fa7b"
+dependencies = [
+ "toml_edit",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.92"
@@ -536,6 +1729,15 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "quick-xml"
+version = "0.37.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4ce8c88de324ff838700f36fb6ab86c96df0e3c4ab6ef3a9b2044465cce1369"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.37"
@@ -545,6 +1747,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "5.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -572,7 +1780,29 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.15",
+]
+
+[[package]]
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+version = "0.29.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eabd94c2f37801c20583fc49dd5cd6b0ba68c716787c2dd6ed18571e1e63117b"
+dependencies = [
+ "bitflags",
+ "cassowary",
+ "compact_str",
+ "crossterm 0.28.1",
+ "indoc",
+ "instability",
+ "itertools",
+ "lru",
+ "paste",
+ "strum",
+ "time",
+ "unicode-segmentation",
+ "unicode-truncate",
+ "unicode-width 0.2.0",
 ]
 
 [[package]]
@@ -613,6 +1843,64 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d19c46a6fdd48bc4dab94b6103fccc55d34c67cc0ad04653aad4ea2a07cd7bbb"
+dependencies = [
+ "base64 0.22.1",
+ "bytes",
+ "encoding_rs",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "http-body-util",
+ "hyper",
+ "hyper-rustls",
+ "hyper-tls",
+ "hyper-util",
+ "ipnet",
+ "js-sys",
+ "log",
+ "mime",
+ "native-tls",
+ "once_cell",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustls-pemfile",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "sync_wrapper",
+ "system-configuration",
+ "tokio",
+ "tokio-native-tls",
+ "tower",
+ "tower-service",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "windows-registry",
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+ "windows-sys 0.52.0",
+]
+
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@@ -628,12 +1916,121 @@ dependencies = [
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+ "core-foundation-sys",
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+
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@@ -660,6 +2057,29 @@ dependencies = [
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+dependencies = [
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+ "quote",
+ "syn",
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+ "mio 1.0.2",
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@@ -678,6 +2138,15 @@ dependencies = [
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+ "autocfg",
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@@ -686,14 +2155,54 @@ checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 
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+ "quote",
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+ "libc",
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+dependencies = [
+ "displaydoc",
+ "zerovec",
+]
+
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@@ -720,7 +2346,7 @@ dependencies = [
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  "bytes",
  "libc",
- "mio",
+ "mio 1.0.2",
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  "pin-project-lite",
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@@ -740,6 +2366,26 @@ dependencies = [
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+dependencies = [
+ "rustls",
+ "tokio",
+]
+
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@@ -784,21 +2430,125 @@ dependencies = [
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+ "winnow 0.6.20",
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+ "futures-util",
+ "pin-project-lite",
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+ "tower-service",
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@@ -809,24 +2559,301 @@ dependencies = [
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+
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+
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+
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+
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+
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@@ -996,6 +3126,103 @@ dependencies = [
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+name = "zerovec-derive"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6eafa6dfb17584ea3e2bd6e76e0cc15ad7af12b09abdd1ca55961bed9b1063c6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "zvariant"
+version = "5.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2df9ee044893fcffbdc25de30546edef3e32341466811ca18421e3cd6c5a3ac"
+dependencies = [
+ "endi",
+ "enumflags2",
+ "serde",
+ "static_assertions",
+ "winnow 0.7.6",
+ "zvariant_derive",
+ "zvariant_utils",
+]
+
+[[package]]
+name = "zvariant_derive"
+version = "5.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74170caa85b8b84cc4935f2d56a57c7a15ea6185ccdd7eadb57e6edd90f94b2f"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "zvariant_utils",
+]
+
+[[package]]
+name = "zvariant_utils"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e16edfee43e5d7b553b77872d99bc36afdda75c223ca7ad5e3fbecd82ca5fc34"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde",
+ "static_assertions",
+ "syn",
+ "winnow 0.7.6",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 17aa54c..83a197f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ colog = "1.3.0"
 log = "0.4.22"
 tokio = { version = "1.41.1", features = ["full"] }
 tokio-util = { version = "0.7.12", features = ["codec"] }
-serde = { version="1.0", features=["derive"] }
+serde = { version = "1.0", features = ["derive"] }
 toml = "0.8.19"
 x25519-dalek = "2.0.0-rc.3"
 aes-gcm = "0.10.3"
@@ -16,3 +16,7 @@ rand = "0.8.5"
 rand_core = "0.6.4"
 crypto = "0.5.1"
 base64 = "0.21"
+ratatui = { version = "0.29.0", features = ["all-widgets"] }
+crossterm = "0.27"
+reqwest = "0.12.15"
+notify-rust = "4"
diff --git a/src/main.rs b/src/main.rs
index 3bf736c..badf434 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,11 +5,35 @@ use aes_gcm::{
 use base64::{engine::general_purpose::STANDARD as BASE64, Engine as _};
 use colog;
 use log::{debug, error, info, warn};
+use notify_rust::Notification;
 use serde::Deserialize;
-use std::fs;
-use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
-use tokio::net::TcpStream;
+use std::{
+    fs,
+    fs::File,
+    io,
+    sync::{Arc, Mutex},
+};
+use tokio::{
+    io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader},
+    net::TcpStream,
+    sync::mpsc,
+    time::{sleep, Duration},
+};
 use x25519_dalek::{EphemeralSecret, PublicKey};
+// Ratatui imports
+use crossterm::{
+    event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode, KeyEventKind},
+    execute,
+    terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
+};
+use ratatui::{
+    backend::CrosstermBackend,
+    layout::{Constraint, Direction, Layout, Position},
+    style::{Color, Modifier, Style},
+    text::{Line, Span},
+    widgets::{Block, Borders, List, ListItem, Paragraph},
+    Terminal,
+};
 
 #[derive(Deserialize)]
 struct Config {
@@ -17,8 +41,45 @@ struct Config {
     port: Option<u16>,
 }
 
+// UI structs and enums
+enum InputMode {
+    Normal,
+    Editing,
+}
+
+struct ChatState {
+    input: String,
+    messages: Vec<(String, String)>, // (username, message)
+    input_mode: InputMode,
+    username: String,
+    should_quit: bool,
+}
+
+impl ChatState {
+    fn new(username: String) -> Self {
+        ChatState {
+            input: String::new(),
+            messages: Vec::new(),
+            input_mode: InputMode::Editing,
+            username,
+            should_quit: false,
+        }
+    }
+}
+
 #[tokio::main]
-async fn main() {
+async fn main() -> io::Result<()> {
+    let original_hook = std::panic::take_hook();
+    std::panic::set_hook(Box::new(move |panic_info| {
+        // Restore terminal
+        let _ = disable_raw_mode();
+        let mut stdout = io::stdout();
+        let _ = execute!(stdout, LeaveAlternateScreen, DisableMouseCapture);
+
+        // Call the original hook
+        original_hook(panic_info);
+    }));
+
     colog::init();
 
     let contents =
@@ -29,13 +90,11 @@ async fn main() {
     info!("Enter your username (or press Enter to use a random one): ");
     let mut input = String::new();
     std::io::stdin().read_line(&mut input).unwrap();
-    let mut username = input.trim().to_string();
-
-    if !username.is_empty() {
-        username = input.trim().to_string();
+    let username = if input.trim().is_empty() {
+        format!("User{}", rand::random::<u32>())
     } else {
-        username = format!("User{}", rand::random::<u32>());
-    }
+        input.trim().to_string()
+    };
 
     info!("Username: {}", username);
 
@@ -80,7 +139,7 @@ async fn main() {
         Ok(encrypted) => encrypted,
         Err(e) => {
             error!("Encryption error: {}", e);
-            return;
+            return Ok(());
         }
     };
 
@@ -88,34 +147,77 @@ async fn main() {
 
     if let Err(e) = writer.write_all((encoded + "\n").as_bytes()).await {
         error!("Failed to send username: {}", e);
-        return;
+        return Ok(());
     }
 
     info!("Starting the chat");
 
-    // Task for sending user input to the server
-    let send_task = tokio::spawn(async move {
-        let stdin = tokio::io::stdin();
-        let mut stdin_reader = BufReader::new(stdin);
-        let mut input = String::new();
+    // Setup UI
+    enable_raw_mode()?;
+    let mut stdout = io::stdout();
+    execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
+    let backend = CrosstermBackend::new(stdout);
+    let mut terminal = Terminal::new(backend)?;
+
+    // Setup channels for communication
+    let (tx_ui, mut rx_ui) = mpsc::channel::<(String, String)>(100);
+    let (tx_net, mut rx_net) = mpsc::channel::<String>(100);
+
+    // Create shared state
+    let chat_state = Arc::new(Mutex::new(ChatState::new(username.clone())));
+    let chat_state_ui = Arc::clone(&chat_state);
+
+    // Task for UI handling
+    let ui_task = tokio::spawn(async move {
+        let mut chat_state = chat_state_ui;
 
         loop {
-            input.clear();
-            tokio::io::stdout().flush().await.unwrap();
+            let should_quit = {
+                let state = chat_state.lock().unwrap();
+                state.should_quit
+            };
 
-            stdin_reader.read_line(&mut input).await.unwrap();
-
-            if input.trim().is_empty() {
-                continue;
-            }
-
-            if input.trim() == "/quit" {
-                info!("Disconnecting from server");
+            if should_quit {
                 break;
             }
 
+            // Check for new messages from network
+            if let Ok(msg) = rx_ui.try_recv() {
+                let mut state = chat_state.lock().unwrap();
+                state.messages.push(msg);
+            }
+
+            // Handle input events
+            if let Ok(should_break) = ui_loop(&mut terminal, &mut chat_state, &tx_net) {
+                if should_break {
+                    break;
+                }
+            }
+
+            sleep(Duration::from_millis(16)).await; // ~60 fps refresh rate
+        }
+        if let Err(e) = disable_raw_mode() {
+            error!("Failed to disable raw mode: {}", e);
+        }
+
+        if let Err(e) = execute!(
+            terminal.backend_mut(),
+            LeaveAlternateScreen,
+            DisableMouseCapture
+        ) {
+            error!("Failed to leave alternate screen: {}", e);
+        }
+
+        if let Err(e) = terminal.show_cursor() {
+            error!("Failed to show cursor: {}", e);
+        }
+    });
+
+    // Task for sending messages to the server
+    let send_task = tokio::spawn(async move {
+        while let Some(input) = rx_net.recv().await {
             // Encrypt the input
-            let encrypted = match cipher_writer.encrypt(&nonce_writer, input.trim().as_bytes()) {
+            let encrypted = match cipher_writer.encrypt(&nonce_writer, input.as_bytes()) {
                 Ok(encrypted) => encrypted,
                 Err(e) => {
                     error!("Encryption error: {}", e);
@@ -141,6 +243,10 @@ async fn main() {
                 Ok(0) => {
                     // Server closed connection
                     info!("\nServer disconnected");
+                    tx_ui
+                        .send(("System".to_string(), "Server disconnected".to_string()))
+                        .await
+                        .ok();
                     break;
                 }
                 Ok(_) => {
@@ -168,12 +274,100 @@ async fn main() {
                         }
                     };
 
-                    info!("Received: {}", message.trim());
-                    info!("Enter message: ");
-                    tokio::io::stdout().flush().await.unwrap();
+                    if message.contains('|') {
+                        // Handle DM format
+                        let parts: Vec<&str> = message.splitn(2, '|').collect();
+                        if parts.len() == 2 {
+                            let sender = parts[0].trim();
+                            // The second part contains both receiver and message
+                            let receiver_and_message = parts[1].trim();
+                            // Split at the first space to separate receiver from message
+                            if let Some(space_pos) = receiver_and_message.find(' ') {
+                                let (receiver, content) = receiver_and_message.split_at(space_pos);
+                                if receiver != username {
+                                    // If the receiver is the same as the client, ignore
+                                    continue;
+                                }
+
+                                let content = content.trim_start();
+
+                                // Style as DM
+                                let dm_label = if sender == &username {
+                                    format!("DM to {}: ", receiver)
+                                } else {
+                                    format!("DM from {}: ", sender)
+                                };
+
+                                tx_ui
+                                    .send(("DM".to_string(), format!("{}{}", dm_label, content)))
+                                    .await
+                                    .ok();
+                            }
+                        }
+                    } else if message.contains("dl!") {
+                        // Handle file download request
+                        let parts: Vec<&str> = message.splitn(2, ' ').collect();
+                        if parts.len() == 2 {
+                            let filename = parts[1].trim();
+                            tx_ui
+                                .send((
+                                    "System".to_string(),
+                                    format!("Download request for file: {}", filename),
+                                ))
+                                .await
+                                .ok();
+                            let resp = reqwest::get(filename).await.expect("request failed");
+                            let body = resp.bytes().await.expect("body invalid");
+                            // get the file name from the end of the link
+                            let filename = filename.split('/').last().unwrap_or("file");
+                            // Create the file
+                            let mut out = File::create(filename).expect("failed to create file");
+                            let body_bytes = body.to_vec();
+                            io::copy(&mut &body_bytes[..], &mut out)
+                                .expect("failed to copy content");
+                            tx_ui
+                                .send((
+                                    "System".to_string(),
+                                    format!("Download completed, {}", filename),
+                                ))
+                                .await
+                                .ok();
+                        }
+                    } else if let Some(pos) = message.find(':') {
+                        let (sender, content) = message.split_at(pos);
+                        if sender == username {
+                            // If the sender is the same as the client, ignore
+                            continue;
+                        }
+
+                        // if the message contains a @username, highlight it
+                        if content.contains(&username) {
+                            // send the message in chat
+
+                            Notification::new()
+                                .summary("You got tagged in a message")
+                                .body(&format!("{}{}", sender, content))
+                                .show()
+                                .unwrap();
+                        }
+
+                        // Skip the colon and any space
+                        let content = content.trim_start_matches(|c| c == ':' || c == ' ');
+                        tx_ui
+                            .send((sender.to_string(), content.to_string()))
+                            .await
+                            .ok();
+                    } else {
+                        // If message format is different, treat as system message
+                        tx_ui.send(("System".to_string(), message)).await.ok();
+                    }
                 }
                 Err(e) => {
                     error!("Error reading from server: {}", e);
+                    tx_ui
+                        .send(("System".to_string(), format!("Error: {}", e)))
+                        .await
+                        .ok();
                     break;
                 }
             }
@@ -182,9 +376,135 @@ async fn main() {
 
     // Wait for tasks to complete
     tokio::select! {
+        _ = ui_task => (),
         _ = send_task => (),
         _ = receive_task => (),
     }
 
     info!("Client exiting");
+    Ok(())
+}
+
+// UI rendering function
+fn ui_loop<B: ratatui::backend::Backend>(
+    terminal: &mut Terminal<B>,
+    chat_state: &mut Arc<Mutex<ChatState>>,
+    tx_net: &mpsc::Sender<String>,
+) -> io::Result<bool> {
+    terminal.draw(|f| {
+        let size = f.area();
+
+        // Create layout with chat messages on top and input at bottom
+        let chunks = Layout::default()
+            .direction(Direction::Vertical)
+            .margin(1)
+            .constraints([Constraint::Min(3), Constraint::Length(3)])
+            .split(size);
+
+        let state = chat_state.lock().unwrap();
+
+        // Create messages list
+        let messages: Vec<ListItem> = state
+            .messages
+            .iter()
+            .map(|(username, message)| {
+                let username_style = if username == &state.username {
+                    Style::default().fg(Color::Green)
+                } else if username == "System" {
+                    Style::default().fg(Color::Yellow)
+                } else if username == "DM" {
+                    Style::default()
+                        .fg(Color::Magenta)
+                        .add_modifier(Modifier::BOLD)
+                } else {
+                    Style::default().fg(Color::Blue)
+                };
+                ListItem::new(Line::from(vec![
+                    Span::styled(format!("{}: ", username), username_style),
+                    Span::raw(message),
+                ]))
+            })
+            .collect();
+
+        let messages =
+            List::new(messages).block(Block::default().borders(Borders::ALL).title("Messages"));
+
+        // Input box
+        let input = Paragraph::new(state.input.as_str())
+            .style(match state.input_mode {
+                InputMode::Normal => Style::default(),
+                InputMode::Editing => Style::default().fg(Color::Yellow),
+            })
+            .block(Block::default().borders(Borders::ALL).title("Input"));
+
+        f.render_widget(messages, chunks[0]);
+        f.render_widget(input, chunks[1]);
+
+        // Set cursor position
+        match state.input_mode {
+            InputMode::Normal => {}
+            InputMode::Editing => {
+                f.set_cursor_position(Position::new(
+                    chunks[1].x + 1 + state.input.len() as u16,
+                    chunks[1].y + 1,
+                ));
+            }
+        }
+    })?;
+
+    // Handle events
+    if event::poll(Duration::from_millis(10))? {
+        if let Event::Key(key) = event::read()? {
+            if key.kind == KeyEventKind::Press {
+                let mut state = chat_state.lock().unwrap();
+
+                match state.input_mode {
+                    InputMode::Normal => match key.code {
+                        KeyCode::Char('e') => {
+                            state.input_mode = InputMode::Editing;
+                        }
+                        KeyCode::Char('q') => {
+                            state.should_quit = true;
+                            tx_net.try_send("/quit".to_string()).ok();
+                            return Ok(true);
+                        }
+                        _ => {}
+                    },
+                    InputMode::Editing => match key.code {
+                        KeyCode::Enter => {
+                            let message = state.input.drain(..).collect::<String>();
+                            if !message.is_empty() {
+                                drop(state); // Release mutex before async operation
+
+                                // Add message to UI
+                                let username_clone = {
+                                    let state = chat_state.lock().unwrap();
+                                    state.username.clone()
+                                };
+                                let mut state = chat_state.lock().unwrap();
+                                state
+                                    .messages
+                                    .push((username_clone.clone(), message.clone()));
+
+                                // Send to network
+                                tx_net.try_send(message).ok();
+                            }
+                        }
+                        KeyCode::Char(c) => {
+                            state.input.push(c);
+                        }
+                        KeyCode::Backspace => {
+                            state.input.pop();
+                        }
+                        KeyCode::Esc => {
+                            state.input_mode = InputMode::Normal;
+                        }
+                        _ => {}
+                    },
+                }
+            }
+        }
+    }
+
+    Ok(false)
 }

From b8f2a91411bbf8f2b8311a95ad2ed287df9d6d56 Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Tue, 22 Apr 2025 23:04:35 +0200
Subject: [PATCH 17/18] Add kick and file management features

- Implement kick functionality with add, remove, and check operations
- Add file management with create, request, and verify operations
- Update database schema with new tables and columns
- Enhance command handling in client module for new features
- Fix argument order in verify_password function
---
 db.sqlite                                     | Bin 28672 -> 49152 bytes
 migrations/004_create_kick_table.sql          |   7 +
 migrations/005_create_files_table.sql         |   8 +
 .../006_add_admin_verified_to_files.sql       |   2 +
 src/client/mod.rs                             | 278 +++++++++++++++++-
 src/db/mod.rs                                 | 151 +++++++++-
 6 files changed, 436 insertions(+), 10 deletions(-)
 create mode 100644 migrations/004_create_kick_table.sql
 create mode 100644 migrations/005_create_files_table.sql
 create mode 100644 migrations/006_add_admin_verified_to_files.sql

diff --git a/db.sqlite b/db.sqlite
index 316f5189c81d754ecb903fc2b1b2066c0fbacd67..59a630a0cabb79c5afe34eea4261322f9620b8a5 100644
GIT binary patch
delta 2505
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delta 634
zcmZo@U~YK8I6+!ahJk^B9f)CoZK95`qzr>zRRJ$=90MD71Os0;|90*Oz64$#o-Lad
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diff --git a/migrations/004_create_kick_table.sql b/migrations/004_create_kick_table.sql
new file mode 100644
index 0000000..09693ef
--- /dev/null
+++ b/migrations/004_create_kick_table.sql
@@ -0,0 +1,7 @@
+CREATE TABLE IF NOT EXISTS kick (
+    id INTEGER PRIMARY KEY AUTOINCREMENT, -- Unique ID for each kick
+    user_name VARCHAR(255) NOT NULL -- ID of the user who made the kick
+);
+
+-- -- Create an index on the user_name column for faster lookups
+CREATE INDEX IF NOT EXISTS idx_kick_user_name ON kick (user_name);
diff --git a/migrations/005_create_files_table.sql b/migrations/005_create_files_table.sql
new file mode 100644
index 0000000..8dea5ac
--- /dev/null
+++ b/migrations/005_create_files_table.sql
@@ -0,0 +1,8 @@
+CREATE TABLE IF NOT EXISTS files (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(255) NOT NULL,
+    path VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX IF NOT EXISTS idx_files_name ON files (name);
diff --git a/migrations/006_add_admin_verified_to_files.sql b/migrations/006_add_admin_verified_to_files.sql
new file mode 100644
index 0000000..e5ad31e
--- /dev/null
+++ b/migrations/006_add_admin_verified_to_files.sql
@@ -0,0 +1,2 @@
+ALTER TABLE files
+ADD COLUMN admin_verified BOOLEAN DEFAULT FALSE;
diff --git a/src/client/mod.rs b/src/client/mod.rs
index 7c3ce69..cf663aa 100644
--- a/src/client/mod.rs
+++ b/src/client/mod.rs
@@ -5,8 +5,9 @@ pub(crate) mod handlers {
     };
 
     use crate::db::users::{
-        ban_user, check_ban, check_for_account, create_user, get_ban_reason, hash_password,
-        unban_user, verify_admin, verify_password,
+        add_kick, add_new_file, add_verified_flag_to_file, ban_user, change_password, check_ban,
+        check_file_verified, check_for_account, check_kick, create_user, get_ban_reason,
+        hash_password, remove_kick, request_file, unban_user, verify_admin, verify_password,
     };
     use base64::{engine::general_purpose::STANDARD as BASE64, Engine as _};
     use log::{debug, error, info};
@@ -147,7 +148,7 @@ pub(crate) mod handlers {
                 .unwrap();
             // verifiy password
             let password = String::from_utf8(decrypted)?;
-            if verify_password(&password, &username).await.is_ok() {
+            if verify_password(&username, &password).await? == true {
                 info!("Password verified successfully");
             } else {
                 info!("Password verification failed");
@@ -245,6 +246,22 @@ pub(crate) mod handlers {
                         info!("Parsing message");
 
                         let parsed_message = parse_message(message.as_str());
+
+                        if check_kick(&username).await.unwrap() == true {
+                            info!("User {} is kicked", username);
+                            let message = format!("User {} is kicked", username);
+                            let _ = tx.send(message);
+                            remove_kick(&username).await.unwrap();
+                            break;
+                        }
+
+                        if check_ban(&username).await.unwrap() == true {
+                            info!("User {} is banned", username);
+                            let message = format!("User {} is banned", username);
+                            let _ = tx.send(message);
+                            break;
+                        }
+
                         // Handle commands
                         if !parsed_message.command.is_empty() {
                             match parsed_message.command[0].as_str() {
@@ -284,6 +301,189 @@ pub(crate) mod handlers {
                                     break;
                                 }
 
+                                "/kick" => {
+                                    if parsed_message.argument.is_empty() {
+                                        error!("Invalid /kick format. Usage: /kick username");
+                                        match tx.send(
+                                            format!("Error! Invalid /kick format").to_string(),
+                                        ) {
+                                            Ok(_) => info!(
+                                                "Error message sent to client {}",
+                                                username_write
+                                            ),
+                                            Err(e) => {
+                                                error!("Failed to send error message: {:?}", e);
+                                                break;
+                                            }
+                                        }
+                                        continue;
+                                    }
+
+                                    match verify_admin(&username_read).await {
+                                        Ok(true) => {
+                                            info!("User {} is admin", username);
+                                            let target_user = &parsed_message.argument[0];
+                                            info!("Kicking user: {}", target_user);
+                                            add_kick(&target_user).await.unwrap();
+                                            match tx.send(format!(
+                                                "User {} has been kicked",
+                                                target_user
+                                            )) {
+                                                Ok(_) => info!(
+                                                    "Error message sent to client {}",
+                                                    username_write
+                                                ),
+                                                Err(e) => {
+                                                    error!("Failed to send error message: {:?}", e);
+                                                    break;
+                                                }
+                                            }
+                                        }
+                                        Ok(false) => {
+                                            error!("User {} is not admin", username);
+                                            continue;
+                                        }
+                                        Err(e) => {
+                                            error!("Error verifying admin: {:?}", e);
+                                            continue;
+                                        }
+                                    }
+                                }
+
+                                "/addfile" => {
+                                    if parsed_message.argument.is_empty() {
+                                        error!("Invalid /addfile format. Usage: /addfile filename link");
+                                        match tx.send(
+                                            format!("Invalid /addfile format. Usage: /addfile filename link").to_string(),
+                                        ) {
+                                            Ok(_) => info!(
+                                                "Error message sent to client {}",
+                                                username_write
+                                            ),
+                                            Err(e) => {
+                                                error!("Failed to send error message: {:?}", e);
+                                                break;
+                                            }
+                                        }
+                                        continue;
+                                    }
+
+                                    let file_name = &parsed_message.argument[0];
+                                    let file_link = &parsed_message.argument[1];
+                                    info!("Adding file: {}", file_name);
+                                    info!("File link: {}", file_link);
+
+                                    add_new_file(&file_name, &file_link).await.unwrap();
+
+                                    match tx.send(format!("File {} has been added", file_name)) {
+                                        Ok(_) => {
+                                            info!("Error message sent to client {}", username_write)
+                                        }
+                                        Err(e) => {
+                                            error!("Failed to send error message: {:?}", e);
+                                            break;
+                                        }
+                                    }
+                                }
+
+                                "/verifylink" => {
+                                    if parsed_message.argument.is_empty() {
+                                        error!("Invalid /verifylink format. Usage: /verifylink filename");
+                                        match tx.send(
+                                            format!("Invalid /verifylink format. Usage: /verifylink filename").to_string(),
+                                        ) {
+                                            Ok(_) => info!(
+                                                "Error message sent to client {}",
+                                                username_write
+                                            ),
+                                            Err(e) => {
+                                                error!("Failed to send error message: {:?}", e);
+                                                break;
+                                            }
+                                        }
+                                        continue;
+                                    }
+
+                                    let file_name = &parsed_message.argument[0];
+                                    info!("Verifying link for file: {}", file_name);
+
+                                    match verify_admin(&username).await {
+                                        Ok(true) => {
+                                            info!("User {} is admin", username);
+                                            add_verified_flag_to_file(file_name).await.unwrap();
+                                            match tx.send(format!(
+                                                "File {} has been verified",
+                                                file_name
+                                            )) {
+                                                Ok(_) => info!(
+                                                    "Error message sent to client {}",
+                                                    username_write
+                                                ),
+                                                Err(e) => {
+                                                    error!("Failed to send error message: {:?}", e);
+                                                    break;
+                                                }
+                                            }
+                                        }
+                                        Ok(false) => {
+                                            error!("User {} is not admin", username);
+                                            continue;
+                                        }
+                                        Err(e) => {
+                                            error!("Error verifying admin: {:?}", e);
+                                            continue;
+                                        }
+                                    }
+                                }
+
+                                "/requestfile" => {
+                                    if parsed_message.argument.is_empty() {
+                                        error!("Invalid /requestfile format. Usage: /requestfile filename");
+                                        match tx.send(
+                                            format!("Invalid /requestfile format. Usage: /requestfile filename").to_string(),
+                                        ) {
+                                            Ok(_) => info!(
+                                                "Error message sent to client {}",
+                                                username_write
+                                            ),
+                                            Err(e) => {
+                                                error!("Failed to send error message: {:?}", e);
+                                                break;
+                                            }
+                                        }
+                                        continue;
+                                    }
+
+                                    let file_name = &parsed_message.argument[0];
+                                    info!("Requesting file: {}", file_name);
+
+                                    let file_link = request_file(file_name).await.unwrap();
+
+                                    match tx.send(format!("Link for {}: {}", file_name, file_link))
+                                    {
+                                        Ok(_) => {
+                                            info!("message sent to client {}", username_write)
+                                        }
+                                        Err(e) => {
+                                            error!("Failed to send error message: {:?}", e);
+                                            break;
+                                        }
+                                    }
+
+                                    if check_file_verified(file_name).await.unwrap() == true {
+                                        match tx.send(format!("dl! {}", file_link)) {
+                                            Ok(_) => info!(
+                                                "Error message sent to client {}",
+                                                username_write
+                                            ),
+                                            Err(e) => {
+                                                error!("Failed to send error message: {:?}", e);
+                                                break;
+                                            }
+                                        }
+                                    }
+                                }
+
                                 "/ban" => {
                                     if parsed_message.argument.is_empty() {
                                         error!("Invalid /ban format. Usage: /ban username");
@@ -430,6 +630,78 @@ pub(crate) mod handlers {
                                     }
                                 }
 
+                                "/changepassword" => {
+                                    if parsed_message.argument.len() < 2 {
+                                        error!("Invalid /changepassword format. Usage: /changepassword old_password new_password");
+                                        match tx
+                                            .send(format!("Invalid /changepassword format. Usage: /changepassword old_password new_password"))
+                                        {
+                                            Ok(_) => info!(
+                                                "Error message sent to client {}",
+                                                username_write
+                                            ),
+                                            Err(e) => {
+                                                error!("Failed to send error message: {:?}", e);
+                                                break;
+                                            }
+                                        }
+                                        continue;
+                                    }
+
+                                    let old_password = &parsed_message.argument[0];
+                                    let new_password = &parsed_message.argument[1];
+
+                                    info!("Changing password for user {}", username);
+                                    info!("new password: {}", new_password);
+                                    info!("old password: {}", old_password);
+
+                                    if verify_password(old_password, &username).await.is_ok() {
+                                        match change_password(&username, new_password).await {
+                                            Ok(_) => {
+                                                info!("Password changed successfully");
+                                                let _ = tx.send(
+                                                    "Password changed successfully".to_string(),
+                                                );
+                                            }
+                                            Err(e) => {
+                                                error!("Error changing password: {:?}", e);
+                                                match tx.send(format!(
+                                                    "Error changing password: {:?}",
+                                                    e
+                                                )) {
+                                                    Ok(_) => info!(
+                                                        "Error message sent to client {}",
+                                                        username_write
+                                                    ),
+                                                    Err(e) => {
+                                                        error!(
+                                                            "Failed to send error message: {:?}",
+                                                            e
+                                                        );
+                                                        break;
+                                                    }
+                                                }
+                                                continue;
+                                            }
+                                        }
+                                    } else {
+                                        info!("Old password verification failed");
+                                        match tx.send(format!(
+                                            "Invalid old password for user {}",
+                                            username
+                                        )) {
+                                            Ok(_) => info!(
+                                                "Error message sent to client {}",
+                                                username_write
+                                            ),
+                                            Err(e) => {
+                                                error!("Failed to send error message: {:?}", e);
+                                                break;
+                                            }
+                                        }
+                                    }
+                                }
+
                                 _ => {
                                     error!("Unknown command: {}", parsed_message.command[0]);
                                     match tx.send("Error! Unknown command".to_string()) {
diff --git a/src/db/mod.rs b/src/db/mod.rs
index 0bef885..79f4646 100644
--- a/src/db/mod.rs
+++ b/src/db/mod.rs
@@ -179,11 +179,29 @@ pub(crate) mod users {
         Ok(())
     }
 
-    pub async fn verify_password(
-        // Use clearer argument names
-        username: &str,
-        provided_password: &str,
-    ) -> Result<bool, DbError> {
+    pub async fn change_password(username: &str, new_password: &str) -> Result<(), sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        // Hash the new password
+        let new_password_hash = hash_password(new_password).await;
+
+        // Update the password in the database
+        sqlx::query(
+            r#"
+            UPDATE users
+            SET password_hash = ?
+            WHERE username = ?
+            "#,
+        )
+        .bind(new_password_hash)
+        .bind(username)
+        .execute(&pool)
+        .await?;
+
+        Ok(())
+    }
+
+    pub async fn verify_password(username: &str, provided_password: &str) -> Result<bool, DbError> {
         let pool = create_db_pool().await?; // Propagates sqlx::Error
 
         // Fetch the stored hash for the user
@@ -205,8 +223,7 @@ pub(crate) mod users {
         };
 
         // Parse the stored hash
-        let parsed_hash = PasswordHash::new(&stored_hash_str).map_err(DbError::Hashing)?; // Manually map the error
-
+        let parsed_hash = PasswordHash::new(&stored_hash_str).map_err(DbError::Hashing)?;
         let argon2 = Argon2::default();
 
         let verification_result =
@@ -252,4 +269,124 @@ pub(crate) mod users {
 
         Ok(is_admin == 1)
     }
+
+    pub async fn add_kick(username: &str) -> Result<(), sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        sqlx::query(
+            r#"
+            INSERT INTO kick (user_name)
+            VALUES (?)
+            "#,
+        )
+        .bind(username)
+        .execute(&pool)
+        .await?;
+        Ok(())
+    }
+
+    pub async fn remove_kick(username: &str) -> Result<(), sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        sqlx::query(
+            r#"
+            DELETE FROM kick
+            WHERE user_name = ?
+            "#,
+        )
+        .bind(username)
+        .execute(&pool)
+        .await?;
+        Ok(())
+    }
+
+    pub async fn check_kick(username: &str) -> Result<bool, sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        let exists = sqlx::query(
+            r#"
+            SELECT EXISTS(
+                SELECT 1
+                FROM kick
+                WHERE user_name = ?
+            )
+            "#,
+        )
+        .bind(username)
+        .fetch_one(&pool)
+        .await?
+        .get::<i64, _>(0);
+
+        Ok(exists == 1)
+    }
+
+    pub async fn add_new_file(name: &str, link: &str) -> Result<(), sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        sqlx::query(
+            r#"
+            INSERT INTO files (name, path)
+            VALUES (?, ?)
+            "#,
+        )
+        .bind(name)
+        .bind(link)
+        .execute(&pool)
+        .await?;
+        Ok(())
+    }
+
+    pub async fn request_file(name: &str) -> Result<String, sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        let file_path = sqlx::query(
+            r#"
+            SELECT path
+            FROM files
+            WHERE name = ?
+            "#,
+        )
+        .bind(name)
+        .fetch_one(&pool)
+        .await?
+        .get::<String, _>(0);
+
+        Ok(file_path)
+    }
+
+    pub async fn add_verified_flag_to_file(name: &str) -> Result<(), sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        sqlx::query(
+            r#"
+            UPDATE files
+            SET admin_verified = 1
+            WHERE name = ?
+            "#,
+        )
+        .bind(name)
+        .execute(&pool)
+        .await?;
+        Ok(())
+    }
+
+    pub async fn check_file_verified(name: &str) -> Result<bool, sqlx::Error> {
+        let pool = create_db_pool().await?;
+
+        let is_verified = sqlx::query(
+            r#"
+            SELECT EXISTS(
+                SELECT 1
+                FROM files
+                WHERE name = ? AND admin_verified = 1
+            )
+            "#,
+        )
+        .bind(name)
+        .fetch_one(&pool)
+        .await?
+        .get::<i64, _>(0);
+
+        Ok(is_verified == 1)
+    }
 }

From 5e3f584cc1246bb153193f5c7694d8ab464d19cf Mon Sep 17 00:00:00 2001
From: Andrea <andrea@bruschetta.cc>
Date: Fri, 25 Apr 2025 23:05:53 +0200
Subject: [PATCH 18/18] Update database file

---
 db.sqlite | Bin 49152 -> 8192 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)

diff --git a/db.sqlite b/db.sqlite
index 59a630a0cabb79c5afe34eea4261322f9620b8a5..988613f92e1e8696973510f0ccb8a189d2e9b5d8 100644
GIT binary patch
delta 131
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