base caps+sasl implementation

Cargo.toml

@@ -13,6 +13,7 @@ tokio-native-tls = "0.3.1"
 native-tls = "0.2.11"
 rand = "0.8.5"
 toml = "0.8.10"
+base64 = "0.22.0"
 serde = { version = "1.0.197", features = ["derive"] }
 colored = "2.1.0"
 futures = "0.3.30"

config.toml

@@ -2,5 +2,7 @@ server = "irc.supernets.org"
 port = 6697
 use_ssl = true
 nickname = "g1r"
-channel = "#superbowl"
-
+channel = "#dev"
+sasl_username = "g1r"
+sasl_password = "fuckyou.lol"
+capabilities = ["sasl"]

src/main.rs

@@ -14,8 +14,16 @@ struct Config {
     use_ssl: bool,
     nickname: String,
     channel: String,
+    sasl_username: Option<String>,
+    sasl_password: Option<String>,
+    capabilities: Option<Vec<String>>
 }
 
+mod mods {
+    pub mod sasl;
+}
+use mods::sasl::{start_sasl_auth, handle_sasl_messages};
+
 #[tokio::main(flavor = "multi_thread", worker_threads = 12)]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     println!("Loading Config...");
@@ -39,13 +47,12 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
         let (reader, writer) = split(tls_stream);
         let (tx, mut rx) = mpsc::channel(1000);
-        // Spawn a task to handle reading
         let read_task = tokio::spawn(async move {
             let mut reader = reader;
             let mut buf = vec![0; 4096];
             loop {
                 let n = match reader.read(&mut buf).await {
-                    Ok(0) => return, // connection was closed
+                    Ok(0) => return, // connection has been killed x.x
                     Ok(n) => n,
                     Err(e) => {
                         eprintln!("Error reading from socket: {:?}", e);
@@ -58,19 +65,44 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
                     eprintln!("Error sending message to the channel");
                     return;
                 }
+                if msg.contains("AUTHENTICATE") || msg.contains("903") {
+                    handle_sasl_messages(&mut writer, &msg, &config.sasl_username.unwrap(), &config.sasl_password.unwrap()).await.unwrap();
                 }
+            }
+            //let msg = String::from_utf8_lossy(&buf[..n]).to_string();
+            //if msg.contains("AUTHENTICATE") || msg.contains("903") {
+            //    handle_sasl_messages(&mut writer, &msg, &sasl_username.unwrap(), &sasl_password.unwrap()).await;
+            //}
         });
+        // capabilities
+        let mut capabilities = config.capabilities.clone().unwrap_or_else(Vec::new);
+        //if config.capabilities.is_some() && config.sasl_password.is_some() && config.sasl_username.is_some() {
+        if config.sasl_username.is_some() && config.sasl_password.is_some() && !capabilities.contains(&"sasl".to_string()) {
+            capabilities.push("sasl".to_string());
+        }
 
         let write_task = tokio::spawn(async move {
             let mut writer = writer;
+
+            // capabilities
+            //let capabilities = config.capabilities.clone().unwrap_or_else(Vec::new);
+            if !capabilities.is_empty() {
+                let cap_req = format!("CAP REQ :{}\r\n", capabilities.join(" "));
+                writer.write_all(cap_req.as_bytes()).await.unwrap();
+                // handle that CAP ACK yo  
+            } // proceeding with sasl if creds are availble
+            if let (Some(sasl_username), Some(sasl_password)) = (&config.sasl_username, &config.sasl_password) {
+                start_sasl_auth(&mut writer, "PLAIN", &config.nickname, &capabilities).await.unwrap();
+            } else {
                 writer.write_all(format!("NICK {}\r\n", config.nickname).as_bytes()).await.unwrap();
                 writer.write_all(format!("USER {} 0 * :{}\r\n", config.nickname, config.nickname).as_bytes()).await.unwrap();
-            writer.write_all(format!("JOIN {}\r\n", config.channel).as_bytes()).await.unwrap();
+            }
             writer.flush().await.unwrap();
 
             while let Some(msg) = rx.recv().await {
                 // handle messages better 
                 println!("{} {}", "[%] DEBUG:".bold().green(), msg.purple());
+
                 if msg.starts_with("PING") {
                     writer.write_all(format!("PONG {}\r\n", &msg[5..]).as_bytes()).await.unwrap();
                 }

src/mods/sasl.rs

@@ -0,0 +1,54 @@
+// mods/sasl.rs
+use base64::Engine;
+use tokio::io::AsyncWriteExt;
+/// Sends the initial commands to negotiate capabilities and start SASL authentication.
+pub async fn start_sasl_auth<W: tokio::io::AsyncWriteExt + Unpin>(
+//pub async fn start_sasl_auth(...) -> Result<(), Box<dyn std::error::Error>> {
+    writer: &mut W,
+    mechanism: &str,
+    nickname: &str,
+    capabilities: &[String], // Add a parameter for capabilities
+) -> Result<(), Box<dyn std::error::Error>> {
+    // Request a list of capabilities from the server
+    writer.write_all(b"CAP LS 302\r\n").await?;
+
+    // Send NICK and USER commands
+    let nick_cmd = format!("NICK {}\r\n", nickname);
+    writer.write_all(nick_cmd.as_bytes()).await?;
+    let user_cmd = format!("USER {} 0 * :{}\r\n", nickname, nickname);
+    writer.write_all(user_cmd.as_bytes()).await?;
+
+    // Request specific capabilities, including 'sasl' for SASL authentication
+    if !capabilities.is_empty() {
+        let cap_req_cmd = format!("CAP REQ :{}\r\n", capabilities.join(" "));
+        writer.write_all(cap_req_cmd.as_bytes()).await?;
+    } else {
+        // If no specific capabilities are requested, directly request 'sasl'
+        writer.write_all(b"CAP REQ :sasl\r\n").await?;
+    }
+
+    writer.flush().await?;
+    Ok(())
+}
+
+/// Continues the SASL authentication process based on the server's responses.
+//pub async fn handle_sasl_messages(...) -> Result<(), Box<dyn std::error::Error>> {
+pub async fn handle_sasl_messages<W: tokio::io::AsyncWriteExt + Unpin>(
+    writer: &mut W,
+    message: &str,
+    username: &str,
+    password: &str,
+) -> Result<(), Box<dyn std::error::Error>> {
+    if message.contains("CAP * ACK :sasl") {
+        writer.write_all(b"AUTHENTICATE PLAIN\r\n").await?;
+    } else if message.starts_with("AUTHENTICATE +") {
+        let auth_string = format!("\0{}\0{}", username, password);
+        let encoded = base64::engine::general_purpose::STANDARD.encode(auth_string);
+        writer.write_all(format!("AUTHENTICATE {}\r\n", encoded).as_bytes()).await?;
+    } else if message.contains("903 * :SASL authentication successful") {
+        writer.write_all(b"CAP END\r\n").await?;
+    }
+    writer.flush().await?;
+    Ok(())
+}
+