Changed email transport from sendmail to smtp.

src/main.rs

@@ -27,8 +27,12 @@ use std::{
 	thread,
 };
 use lettre::{ 
-	SendmailTransport,
-	Transport
+	SmtpClient,
+	smtp::authentication::{
+		Credentials,
+		Mechanism,
+	},
+	Transport,
 };
 
 fn main() {
@@ -58,16 +62,18 @@ fn main() {
 			.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()],
 	}
 
 	// TODO: This line has many problems…
-	let (tx,rx): (std::sync::mpsc::Sender<(String, String, String, [Option<[String; 2]>; 5])>, std::sync::mpsc::Receiver<(String, String, String, [Option<[String; 2]>; 5])>)= channel();
+	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 {
@@ -75,12 +81,30 @@ fn main() {
 		server_threads.push(thread::Builder::new()
 			.name("server name here".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() {
@@ -92,9 +116,9 @@ fn main() {
 					channel, server);
 				for opt in context.iter() {
 					match opt{
-						Some([sender, msg]) => body.push_str(
-							&format!("{} wrote: {}", sender, msg)
-						),
+						Some([sender, msg]) => {
+							body.push_str(&format!("{} wrote: {}\n", sender, msg))
+						},
 						None => (),
 					}
 				}
@@ -115,7 +139,7 @@ fn main() {
 
 				match mailer.send(mail) {
 					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

@@ -34,43 +34,46 @@ 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.
-struct MessageRingBuf<const SIZE: usize> {
-	buf: [Option<[String; 2]>; SIZE],
+pub struct MessageRingBuf<T> {
+	buf: Vec<Option<T>>,
 	ptr: usize,
 }
 
-impl <const SIZE: usize> MessageRingBuf<SIZE> {
-	pub fn new() -> Self {
+impl <T: Clone> MessageRingBuf<T> {
+	pub fn new(size: usize) -> Self {
+		
 		Self{
-			buf: [None; SIZE],
+			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: [String; 2]) {
-		self.ptr = (self.ptr + 1) % SIZE;
+	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<[String; 2]> {
-		self.ptr = (self.ptr + SIZE - 1) % SIZE;
+	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) -> [Option<[String; 2]>; SIZE] {
+	pub fn get_queue(& self) -> Vec<Option<T>> {
+		let l = self.buf.len();
 		let mut queue = self.buf.clone();
 		
-		for i in self.ptr .. SIZE {
+		for i in self.ptr .. l {
 			queue[i - self.ptr] = self.buf[i].clone();
 		}
 
 		for i in 0 .. self.ptr {
-			queue[SIZE - self.ptr + i] = self.buf[i].clone();
+			queue[l - self.ptr + i] = self.buf[i].clone();
 		}
 
 		return queue
@@ -151,9 +154,9 @@ fn get_irc_join_messages(channels: &Vec<Value>, queue: VecDeque<Message>)
 /// - 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 <const SIZE: usize> (message: Message, nick: &String, 
-	client_names: Keys, contexts: &mut HashMap<String, MessageRingBuf<SIZE>>) 
-	-> (Option<Message>, Option<(String, String, [Option<[String; 2]>; SIZE])>) {
+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),
@@ -183,7 +186,7 @@ fn handle_message <const SIZE: usize> (message: Message, nick: &String,
 				)
 			} else {
 				match contexts.get_mut(&rec.clone()) {
-					Some(ref buf) => {
+					Some(ref mut buf) => {
 						buf.push([sender.clone(), msg.clone()]);
 						for c_name in client_names {
 							if msg.contains(c_name) {
@@ -210,8 +213,8 @@ fn handle_message <const SIZE: usize> (message: Message, nick: &String,
 /// 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 <const SIZE: usize> 
-	(config: Value, tx: Sender<(String, String, String, [Option<[String; 2]>; SIZE])>) 
+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()
@@ -233,7 +236,7 @@ pub fn handle_server <const SIZE: usize>
 			channel.as_str()
 				.ok_or("Could not parse one of the channels")?
 				.to_owned(),
-			MessageRingBuf::new(),
+			MessageRingBuf::new(context_size),
 		);
 	}