Bump version

Some improvemenst such as using smtp for mail.

Cargo.lock

@@ -1,17 +1,35 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "ascii_utils"
 version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "71938f30533e4d95a6d17aa530939da3842c2ab6f4f84b9dae68447e4129f74a"
 
+[[package]]
+name = "autocfg"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
+
 [[package]]
 name = "autocfg"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
+[[package]]
+name = "base64"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "489d6c0ed21b11d038c31b6ceccca973e65d73ba3bd8ecb9a2babf5546164643"
+dependencies = [
+ "byteorder",
+ "safemem",
+]
+
 [[package]]
 name = "base64"
 version = "0.10.1"
@@ -57,6 +75,28 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
+dependencies = [
+ "libc",
+ "num-integer",
+ "num-traits",
+ "time",
+ "winapi",
+]
+
+[[package]]
+name = "cloudabi"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.9.1"
@@ -73,6 +113,21 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea221b5284a47e40033bf9b66f35f984ec0ea2931eb03505246cd27a963f981b"
 
+[[package]]
+name = "email"
+version = "0.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91549a51bb0241165f13d57fc4c72cef063b4088fb078b019ecbf464a45f22e4"
+dependencies = [
+ "base64 0.9.3",
+ "chrono",
+ "encoding",
+ "lazy_static",
+ "rand 0.4.6",
+ "time",
+ "version_check",
+]
+
 [[package]]
 name = "encoding"
 version = "0.2.33"
@@ -161,6 +216,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
+[[package]]
+name = "fuchsia-cprng"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
+
 [[package]]
 name = "futures"
 version = "0.3.14"
@@ -313,7 +374,7 @@ version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "86ed8677138975b573ab4949c35613931a4addeadd0a8a6aa0327e2a979660de"
 dependencies = [
- "base64",
+ "base64 0.10.1",
  "bufstream",
  "fast_chemail",
  "hostname",
@@ -325,6 +386,20 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "lettre_email"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd02480f8dcf48798e62113974d6ccca2129a51d241fa20f1ea349c8a42559d5"
+dependencies = [
+ "base64 0.10.1",
+ "email",
+ "lettre",
+ "mime",
+ "time",
+ "uuid",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.93"
@@ -348,15 +423,22 @@ checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
 
 [[package]]
 name = "mention_2_mail"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "irc-proto",
  "irc_stream",
  "lettre",
+ "lettre_email",
  "native-tls",
  "toml",
 ]
 
+[[package]]
+name = "mime"
+version = "0.3.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
+
 [[package]]
 name = "native-tls"
 version = "0.2.7"
@@ -385,6 +467,25 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "num-integer"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
+dependencies = [
+ "autocfg 1.0.1",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+dependencies = [
+ "autocfg 1.0.1",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.7.2"
@@ -417,7 +518,7 @@ version = "0.9.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "313752393519e876837e09e1fa183ddef0be7735868dced3196f4472d536277f"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "cc",
  "libc",
  "pkg-config",
@@ -478,6 +579,38 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
+dependencies = [
+ "fuchsia-cprng",
+ "libc",
+ "rand_core 0.3.1",
+ "rdrand",
+ "winapi",
+]
+
+[[package]]
+name = "rand"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
+dependencies = [
+ "autocfg 0.1.7",
+ "libc",
+ "rand_chacha 0.1.1",
+ "rand_core 0.4.2",
+ "rand_hc 0.1.0",
+ "rand_isaac",
+ "rand_jitter",
+ "rand_os",
+ "rand_pcg",
+ "rand_xorshift",
+ "winapi",
+]
+
 [[package]]
 name = "rand"
 version = "0.8.3"
@@ -485,9 +618,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
 dependencies = [
  "libc",
- "rand_chacha",
+ "rand_chacha 0.3.0",
- "rand_core",
+ "rand_core 0.6.2",
- "rand_hc",
+ "rand_hc 0.3.0",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
+dependencies = [
+ "autocfg 0.1.7",
+ "rand_core 0.3.1",
 ]
 
 [[package]]
@@ -497,9 +640,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.6.2",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
+dependencies = [
+ "rand_core 0.4.2",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
+
 [[package]]
 name = "rand_core"
 version = "0.6.2"
@@ -509,13 +667,84 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "rand_hc"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
 [[package]]
 name = "rand_hc"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
 dependencies = [
- "rand_core",
+ "rand_core 0.6.2",
+]
+
+[[package]]
+name = "rand_isaac"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
+[[package]]
+name = "rand_jitter"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
+dependencies = [
+ "libc",
+ "rand_core 0.4.2",
+ "winapi",
+]
+
+[[package]]
+name = "rand_os"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
+dependencies = [
+ "cloudabi",
+ "fuchsia-cprng",
+ "libc",
+ "rand_core 0.4.2",
+ "rdrand",
+ "winapi",
+]
+
+[[package]]
+name = "rand_pcg"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
+dependencies = [
+ "autocfg 0.1.7",
+ "rand_core 0.4.2",
+]
+
+[[package]]
+name = "rand_xorshift"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
+[[package]]
+name = "rdrand"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
+dependencies = [
+ "rand_core 0.3.1",
 ]
 
 [[package]]
@@ -542,6 +771,12 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
+[[package]]
+name = "safemem"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef703b7cb59335eae2eb93ceb664c0eb7ea6bf567079d843e09420219668e072"
+
 [[package]]
 name = "schannel"
 version = "0.1.19"
@@ -628,7 +863,7 @@ checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
 dependencies = [
  "cfg-if",
  "libc",
- "rand",
+ "rand 0.8.3",
  "redox_syscall",
  "remove_dir_all",
  "winapi",
@@ -654,13 +889,23 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "time"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "tokio"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "83f0c8e7c0addab50b663055baf787d0af7f413a46e6e7fb9559a4e4db7137a5"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "pin-project-lite",
 ]
 
@@ -693,6 +938,15 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
+[[package]]
+name = "uuid"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90dbc611eb48397705a6b0f6e917da23ae517e4d127123d2cf7674206627d32a"
+dependencies = [
+ "rand 0.6.5",
+]
+
 [[package]]
 name = "vcpkg"
 version = "0.2.12"

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mention_2_mail"
-version = "0.2.0"
+version = "0.2.1"
 authors = ["Thelie <git.daniel@mowitz.rocks>"]
 edition = "2018"
 
@@ -10,6 +10,7 @@ edition = "2018"
 irc-proto = "0.15"
 irc_stream = { path = "irc-stream", version = "0.1" }
 lettre = "0.9"
+lettre_email = "0.9"
 native-tls = "0.2"
 toml = "0.5"
 

src/config.rs

@@ -72,6 +72,9 @@ fn parse_server_dir(mut config: Value, server_config_path: PathBuf)
 					} else {
 						config.insert("channels".to_owned(), channels);
 					}
+
+					let channel_config = parse_toml_to_table(entry.path())?;
+					config = merge_config_maps(config, channel_config)?;
 				},
 				_ => (),
 			}

src/main.rs

@@ -27,9 +27,15 @@ use std::{
 	thread,
 };
 use lettre::{ 
-	SendmailTransport,
+	Transport,
-	Transport
+	SmtpClient,
+	smtp::authentication::{
+		Credentials,
+		Mechanism,
+	},
 };
+use lettre_email::EmailBuilder;
+
 
 fn main() {
 	let mut server_conf_flag = false;
@@ -57,53 +63,81 @@ fn main() {
 		None => config = config::get_main_config(PathBuf::from("/etc/Mention2Mail/config.toml"))
 			.expect("Could not get default config in /etc/Mention2Mail/default.toml"),
 	}
+	
+	let mail_config = &config.get("email").expect("No email config found.");
 
 	let server_configs;
 
 	match server_conf_path {
-		Some(p) => server_configs = config::get_server_configs(config, PathBuf::from(p))
+		Some(p) => server_configs = config::get_server_configs(config.clone(), PathBuf::from(p))
 			.expect("Could not get server config."),
-		None => server_configs = vec![config],
+		None => server_configs = vec![config.clone()],
 	}
-	
+
-	let (tx,rx) = channel();
+	// TODO: This line has many problems…
+	let (tx,rx): (std::sync::mpsc::Sender<(String, String, String, Vec<Option<[String; 2]>>)>, std::sync::mpsc::Receiver<(String, String, String, Vec<Option<[String; 2]>>)>)= channel();
+
 	let mut server_threads = vec![];
 
 	for s_conf in server_configs {
 		let t = tx.clone();
+
+	let addr = s_conf.get("server").unwrap().as_str()
+			.ok_or("Could not get server adress from config").unwrap();
 		server_threads.push(thread::Builder::new()
-			.name("server name here".to_string())
+			.name(addr.to_string())
 			.spawn(move || {
-				servers::handle_server(s_conf, t).unwrap();
+				servers::handle_server(s_conf, t, 5).unwrap();
 			})
 		);
 	}
-	
+
-	let mut mailer = SendmailTransport::new();
+	let smtp_address = mail_config.get("address")
+		.expect("No SMTP server address found.")
+		.as_str()
+		.unwrap();
+	let smpt_user = mail_config.get("user")
+		.expect("No SMTP user name found.")
+		.as_str()
+		.unwrap();
+	let smtp_pass = mail_config.get("pass")
+		.expect("No SMTP password found.")
+		.as_str()
+		.unwrap();
+
+	let mail_client = SmtpClient::new_simple(smtp_address).unwrap();
+	let mail_client = mail_client.credentials(
+		Credentials::new(smpt_user.to_owned(), smtp_pass.to_owned())
+		);
+	let mail_client = mail_client.authentication_mechanism(Mechanism::Plain);
+	let mut mailer = mail_client.transport();
 	
 	loop {
 		match rx.recv() {
-			Ok(data) => {
+			Ok((email_address, server, channel, context)) => {
-				println!("Sending mail to: {}", data[0]);
+				println!("Sending mail to: {}", email_address);
-				let id = "notarealiid@mention2mail".to_owned();
-				let body = format!("Subject: You were mentioned in {} on {}\n{} wrote: {}", 
-					data[2], data[1], data[3], data[4]).into_bytes();
-				let mail = lettre::SendableEmail::new(
-					lettre::Envelope::new(
-						Some(
-							lettre::EmailAddress::new("m2m@chaostreff-alzey.de".to_owned())
-							.unwrap()
-						),
-						vec![
-							lettre::EmailAddress::new(data[0].clone()).unwrap()]
-					).unwrap(),
-					id,
-					body
-				);
 
-				match mailer.send(mail) {
+				let mut body = "".to_owned();
+				for opt in context.iter() {
+					match opt{
+						Some([sender, msg]) => {
+							body.push_str(&format!("{} wrote: {}\n", sender, msg))
+						},
+						None => (),
+					}
+				}
+
+				let mail = EmailBuilder::new()
+					.to((email_address.clone(), "Someone"))
+					.from("m2m@chaostreff-alzey.de")
+					.subject(format!("You were mentioned in {} on {}", channel, server))
+					.text(body)
+					.build()
+					.unwrap();
+									
+				match mailer.send(mail.into()) {
 					Ok(_) => println!("Email sent successfully!"),
-					Err(e) => panic!("Could not send email: {:?}", e),
+					Err(e) => println!("Could not send email: {:?}", e),
 				}
 			}
 			Err(_e) => (),

src/servers.rs

@@ -17,6 +17,7 @@
 
 use std::{
 	collections::VecDeque,
+	collections::HashMap,
 	sync::mpsc::Sender,
 };
 use irc_proto::command::{
@@ -30,6 +31,55 @@ use toml::map::{
 use irc_proto::message::Message;
 use toml::value::Value;
 
+/// A static implementation of a ringbuffer.
+/// It holds arrays of three strings each,
+/// which are meant to represent the author and message respectively.
+pub struct MessageRingBuf<T> {
+	buf: Vec<Option<T>>,
+	ptr: usize,
+}
+
+impl <T: Clone> MessageRingBuf<T> {
+	pub fn new(size: usize) -> Self {
+		
+		Self{
+			buf: vec!(None; size),
+			ptr: 0
+		}
+	}
+	
+	/// Adds a message to the end of the buffer,
+	/// overwriting the first value if the buffer is full.
+	pub fn push(&mut self, val: T) {
+		self.ptr = (self.ptr + 1) % self.buf.len();
+		self.buf[self.ptr] = Some(val);
+	}
+
+	/// Returns the last element of the buffer,
+	/// replacing it with none.
+	pub fn pop(&mut self) -> Option<T> {
+		let l = self.buf.len();
+		self.ptr = (self.ptr + l - 1) % l;
+		self.buf[self.ptr].take() 
+	}
+
+	/// Returns the contained buffer in the correct order.
+	pub fn get_queue(& self) -> Vec<Option<T>> {
+		let l = self.buf.len();
+		let mut queue = self.buf.clone();
+		
+		for i in self.ptr + 1 .. l {
+			queue[i - self.ptr - 1] = self.buf[i].clone();
+		}
+
+		for i in 0 .. self.ptr + 1{
+			queue[l - self.ptr - 1 + i] = self.buf[i].clone();
+		}
+
+		return queue
+	}
+}
+
 /// Constructs a VecDeque with the messages
 /// required to identify with an IRC server.
 /// Uses the credentials set in -`config.toml`.
@@ -82,30 +132,32 @@ fn get_irc_identify_messages (config: &Value)
 
 /// Appends a given VecDeque to include the messages
 /// used to join the channels defined in `config.toml`.
-fn get_irc_join_messages(config: &Value, queue: VecDeque<Message>)
+fn get_irc_join_messages(channels: &Vec<Value>, queue: VecDeque<Message>)
 	-> Result<VecDeque<Message>, Box<dyn std::error::Error>> {
 	let mut queue = queue;
 
-	match config.get("channels") {
+	for channel in channels {
-		Some(c) => {
+		queue.push_back(Message::from(
-			for channel in c.as_array().ok_or("Could not parse channels.")? {
+			Command::JOIN(
-				queue.push_back(Message::from(
+				String::from(channel.as_str().ok_or("Could not parse one of the channels")?),
-					Command::JOIN(
+				None,
-						String::from(channel.as_str().ok_or("Could not parse one of the channels")?),
+				None
-						None,
+			)
-						None
+		))
-					)
-				))
-			}
-		},
-		None => ()
 	}
 
 	Ok(queue)
 }
 
-fn handle_message(message: Message, nick: &String, client_names: Keys) 
+/// Checks messages for mentions of users or commands in private messages.
-	-> (Option<Message>, Option<[String; 4]>) {
+/// Returns either one of:
+/// - None and None in the case no mention or command is recognized
+/// - The appropriate answer as Message and None for a command 
+/// - None and the mentioned user and channel as String and the context as a MessageRingBuf for mentions.
+fn handle_message (message: Message, nick: &String, 
+	client_names: Keys, contexts: &mut HashMap<String, MessageRingBuf<[String; 2]>>) 
+	-> (Option<Message>, Option<(String, String, Vec<Option<[String; 2]>>)>) {
+	
 	let sender = match message.clone().source_nickname() {
 		Some(s) => String::from(s),
 		None => String::from("anonymous")
@@ -132,14 +184,23 @@ fn handle_message(message: Message, nick: &String, client_names: Keys)
 					),
 					None
 				)
-			}
+			} else {
-			for c_name in client_names {
+				match contexts.get_mut(&rec.clone()) {
-				if msg.contains(c_name) {
+					Some(ref mut buf) => {
-					return (None, Some([c_name.clone(),
+						buf.push([sender.clone(), msg.clone()]);
-						rec.clone(),
+						for c_name in client_names {
-						sender.clone(),
+							if msg.contains(c_name) {
-						msg.clone()
+								return (None, Some((
-					]))
+									c_name.clone(),
+									rec.clone(),
+									buf.get_queue(),	
+								)))
+							}
+						}
+					}
+					None => {
+						println!("Channel not recognized: {}", rec.clone());
+					}
 				}
 			}
 		},
@@ -148,18 +209,36 @@ fn handle_message(message: Message, nick: &String, client_names: Keys)
 	return (None, None)
 }
 
-pub fn handle_server(config: Value, tx: Sender<[String; 5]>) 
+/// Connects to a server and indefinitely iterates the messages received.
+/// Calls handle_message on each one and pushes 
+/// email, server, channel as Strings 
+/// and the context as MessageRingBuf to the given stream.
+pub fn handle_server  
+	(config: Value, tx: Sender<(String, String, String, Vec<Option<[String; 2]>>)>,context_size: usize) 
 	-> Result<(), Box<dyn std::error::Error>> {
+	
 	let server_name = config.get("server").unwrap().as_str()
 		.ok_or("Could not get server adress from config")?;
 	let nick = config.get("nickname").unwrap().as_str()
 		.ok_or("Could not get nickname from config")?.to_owned();
-	
+	let channels = config.get("channels").unwrap().as_array()
+		.ok_or("Could not get channels from config")?;
+
 	let clients;
 	match config.get("clients").unwrap().as_table() {
 		Some(t) => clients = t.clone(),
 		None => clients = Map::new(),
 	}
+	
+	let mut chat_contexts = HashMap::new();
+	for channel in channels {
+		chat_contexts.insert(
+			channel.as_str()
+				.ok_or("Could not parse one of the channels")?
+				.to_owned(),
+			MessageRingBuf::new(context_size),
+		);
+	}
 
 	let mut stream = super::connect::connect_irc(&config).unwrap();
 	let mut message_queue = get_irc_identify_messages(&config).unwrap();
@@ -168,7 +247,7 @@ pub fn handle_server(config: Value, tx: Sender<[String; 5]>)
 		stream.write(message).unwrap();
 	}
 
-	message_queue = get_irc_join_messages(&config, message_queue).unwrap();
+	message_queue = get_irc_join_messages(&channels, message_queue).unwrap();
 
 	// Wait for first ping and join channels after sending pong.
 	loop {
@@ -190,24 +269,28 @@ pub fn handle_server(config: Value, tx: Sender<[String; 5]>)
 	// Handle all incoming messages after joining the channels.
 	loop {
 		let message = stream.read()?;
-		let (answer, data) = handle_message(message, &nick, clients.keys());
+	let (answer, data) = handle_message(
+			message, 
+			&nick, 
+			clients.keys(), 
+			&mut chat_contexts
+		);
+
 		match answer {
 			Some(a) => stream.write(a).unwrap(),
 			None => ()
 		}
 		match data {
-			Some(d) => match clients.get(&d[0]) {
+		Some((client, channel, context)) => match clients.get(&client) {
 					Some(addr) => {
-						// There must be a better way to do this…
+						let out = (
-						let out = [
 						addr.as_str()
 							.ok_or("Could not parse email address.")?
 							.to_owned(),
 						server_name.to_owned(), 
-						d[1].clone(), 
+						channel.clone(), 
-						d[2].clone(), 
+						context.clone(),
-						d[3].clone(),
+						);
-						];
 						tx.send(out)?
 					},
 					None => (),