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Version 0.2.0

Browse source 
The bot can now send emails!

Reviewed-on: http://gitea.chaostreff-alzey.de/Thelie/Mention2Mail/pulls/2
Co-authored-by: Thelie <git.daniel@mowitz.rocks>
Co-committed-by: Thelie <git.daniel@mowitz.rocks>
This commit is contained in:
Thelie 2021-05-23 22:47:43 +02:00
parent cdc5843f5d
commit 3d6a006f19
7 changed files with 446 additions and 201 deletions
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1
.gitignore vendored
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@ -9,3 +9,4 @@ target/
# Dont track the client config # Dont track the client config
config.toml config.toml
config/

8
Cargo.lock generated
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@ -309,9 +309,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
[[package]] [[package]]
name = "lettre" name = "lettre"
version = "0.9.5" version = "0.9.6"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "338d9a248c4b3ef60c51941c678bb8f64e244c0a98f1eb71db027d1e777a5700" checksum = "86ed8677138975b573ab4949c35613931a4addeadd0a8a6aa0327e2a979660de"
dependencies = [ dependencies = [
"base64", "base64",
"bufstream", "bufstream",
@ -583,9 +583,9 @@ checksum = "558dc50e1a5a5fa7112ca2ce4effcb321b0300c0d4ccf0776a9f60cd89031171"
[[package]] [[package]]
name = "serde_derive" name = "serde_derive"
version = "1.0.125" version = "1.0.126"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b093b7a2bb58203b5da3056c05b4ec1fed827dcfdb37347a8841695263b3d06d" checksum = "963a7dbc9895aeac7ac90e74f34a5d5261828f79df35cbed41e10189d3804d43"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",

2
Cargo.toml
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@ -1,6 +1,6 @@
[package] [package]
name = "mention_2_mail" name = "mention_2_mail"
version = "0.1.0" version = "0.2.0"
authors = ["Thelie <git.daniel@mowitz.rocks>"] authors = ["Thelie <git.daniel@mowitz.rocks>"]
edition = "2018" edition = "2018"

121
src/config.rs Normal file
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@ -0,0 +1,121 @@
/* Copyright 2021 Daniel Mowitz
* This file is part of Mention2Mail.
*
* Mention2Mail is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Mention2Mail is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Mention2Mail. If not, see <https://www.gnu.org/licenses/>.
*/
use std::{
path::PathBuf,
io::Read,
fs::read_dir,
};
use toml::{
value::Value,
map::Map,
};
fn parse_toml_to_table(path: PathBuf)
-> Result<Map<String, Value>, Box<dyn std::error::Error>> {
// I once read that this multiple let style
// is the "rusty" way to do things.
// Personally, I find this specific instance to be somewhat sketchy.
let mut config = String::new();
std::fs::File::open(path)?
.read_to_string(&mut config)?;
let mut config = config.parse::<Value>()?;
// The important thing here is that config is a mut Table in the end.
Ok(config.as_table_mut().unwrap().clone())
}
fn merge_config_maps(mut receiver: Map<String, Value>, donor: Map<String, Value>)
-> Result<Map<String, Value>, Box<dyn std::error::Error>> {
for key in donor.keys() {
if receiver.contains_key(&key.clone()) {
receiver[&key.clone()] = donor[key].clone();
} else {
receiver.insert(key.clone(), donor[key].clone());
}
}
Ok(receiver)
}
fn parse_server_dir(mut config: Value, server_config_path: PathBuf)
-> Result<Value, Box<dyn std::error::Error>> {
let mut config = config.as_table_mut().unwrap().clone();
if server_config_path.is_dir() {
for entry in read_dir(server_config_path)? {
let entry = entry?;
match entry.file_name().to_str().ok_or("Could not read file name")? {
"config.toml" => {
let server_config = parse_toml_to_table(entry.path())?;
config = merge_config_maps(config, server_config)?;
},
"clients.toml" => {
let client_config = parse_toml_to_table(entry.path())?;
config = merge_config_maps(config, client_config)?;
},
"channels.toml" => {
let channels = Value::from(parse_toml_to_table(entry.path())?);
if config.contains_key(&"channels".to_owned()) {
config[&"channels".to_owned()] = channels;
} else {
config.insert("channels".to_owned(), channels);
}
},
_ => (),
}
}
}
Ok(Value::from(config))
}
/// parses a toml config file and sets some default values
/// if the corresponding fields are not set.
// TODO: Document config file options once they are stable.
pub fn get_main_config(config_path: PathBuf)
-> Result<Value, Box<dyn std::error::Error>> {
let mut config = parse_toml_to_table(config_path)?;
if config.get("port") == None {
config.insert(String::from("port"), Value::from("6697"));
}
if config.get("tls") == None {
if config["port"].as_integer() == Some(194) ||
config["port"].as_integer() == Some(6667) {
config.insert(String::from("tls"), Value::from(false));
}else if config["port"].as_integer() == Some(6696) ||
config["port"].as_integer() == Some(6697) {
config.insert(String::from("tls"), Value::from(true));
}
}
Ok(Value::from(config))
}
pub fn get_server_configs(config: Value, config_path: PathBuf)
-> Result<Vec<Value>, Box<dyn std::error::Error>> {
let mut config_vec = vec![];
if config_path.is_dir() {
for entry in read_dir(config_path)? {
let entry = entry?;
let server_path = entry.path();
if server_path.is_dir(){
config_vec.push(parse_server_dir(config.clone(), server_path)?);
}
}
}
Ok(config_vec)
}

275
src/main.rs
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@ -16,214 +16,97 @@
*/ */
pub mod connect; pub mod connect;
pub mod config;
pub mod servers;
pub mod texts;
use std::{ use std::{
format,
env::args, env::args,
path::Path, path::PathBuf,
io::Read, sync::mpsc::channel,
collections::VecDeque, thread,
}; };
use irc_proto::command::{ use lettre::{
CapSubCommand, SendmailTransport,
Command, Transport
}; };
use irc_proto::message::Message;
use irc_stream::{
IrcRead,
IrcWrite,
};
use toml::value::Value;
trait IrcReadWrite: IrcRead + IrcWrite {}
impl<T: IrcRead + IrcWrite> IrcReadWrite for T {}
/// parses a toml config file and sets some default values
/// if the corresponding fields are not set.
// TODO: Document config file options once they are stable.
fn get_config<P: AsRef<Path>>(config_path: P)
-> Result<Value, Box<dyn std::error::Error>> {
// I once read that this multiple let style
// is the "rusty" way to do things.
// Personally, I find this specific instance to be somewhat sketchy.
let mut config = String::new();
std::fs::File::open(config_path)?
.read_to_string(&mut config)?;
let mut config = config.parse::<Value>()?;
// The important thing here is that config is a mut Table in the end.
let mut config = config.as_table_mut().unwrap().clone();
if config.get("port") == None {
config.insert(String::from("port"), Value::from("6697"));
}
if config.get("tls") == None {
if config["port"].as_integer() == Some(194) ||
config["port"].as_integer() == Some(6667) {
config.insert(String::from("tls"), Value::from(false));
}else if config["port"].as_integer() == Some(6696) ||
config["port"].as_integer() == Some(6697) {
config.insert(String::from("tls"), Value::from(true));
}
}
Ok(Value::from(config))
}
/// Constructs a VecDeque with the messages
/// required to identify with an IRC server.
/// Uses the credentials set in -`config.toml`.
fn get_irc_identify_messages (config: &Value)
-> Result<VecDeque<Message>, Box<dyn std::error::Error>> {
let mut queue = VecDeque::new();
queue.push_back(Message::from(
Command::CAP(
None,
CapSubCommand::END,
None,
None
)));
match config.get("password") {
Some(p) => queue.push_back(Message::from(
Command::PASS(
String::from(p.as_str().ok_or("Could not parse password.")?)
)
)),
None => ()
}
let nick: String;
match config.get("nickname") {
Some(n) => {
nick = String::from(n.as_str().ok_or("Could not parse nickname.")?);
queue.push_back(Message::from(Command::NICK(nick.clone())));
},
None => return Err("No nickname supplied!".into()),
}
match config.get("username") {
Some(u) => queue.push_back(Message::from(
Command::USER(
String::from(u.as_str().ok_or("Could not parse username.")?),
"0".to_owned(),
String::from(u.as_str().ok_or("Could not parse username.")?)
)
)),
None => queue.push_back(Message::from(
// nick.clone() is only used once because the value
// can be moved the second time
Command::USER(nick.clone(), "0".to_owned(), nick)
))
}
Ok(queue)
}
/// 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>)
-> Result<VecDeque<Message>, Box<dyn std::error::Error>> {
let mut queue = queue;
match config.get("channels") {
Some(c) => {
for channel in c.as_array().ok_or("Could not parse channels.")? {
queue.push_back(Message::from(
Command::JOIN(
String::from(channel.as_str().ok_or("Could not parse one of the channels")?),
None,
None
)
))
}
},
None => ()
}
Ok(queue)
}
fn handle_message(message: Message) -> Option<Message> {
let sender = match message.clone().source_nickname() {
Some(s) => String::from(s),
None => String::from("anonymous")
};
match message.clone().command {
Command::PING(ref data, _) => {
return Some(Message::from(
Command::PONG(data.to_owned(), None)
));
},
Command::PRIVMSG(ref rec, ref msg) => println!(
"{} -> {}: {}",
rec,
msg,
sender
),
_ => println!("{}", message.clone().to_string())
}
return None
}
fn main() { fn main() {
let config_path = args().nth(1) let mut server_conf_flag = false;
.expect("no config given"); let mut config_path = None;
let config = get_config(config_path).expect("Could not get config"); let mut server_conf_path = None;
for arg in args().skip(1) {
let mut stream = connect::connect_irc(&config).unwrap(); match arg.as_str() {
"-s" => server_conf_flag = true,
let mut message_queue = get_irc_identify_messages(&config).unwrap(); "-h" => {
println!("Usage: mention2mail [config file] [-s server config directory]");
while let Some(message) = message_queue.pop_front() { },
stream.write(message).unwrap(); _ => if server_conf_flag {
} server_conf_path = Some(arg);
} else {
message_queue = get_irc_join_messages(&config, message_queue).unwrap(); config_path = Some(arg);
// Wait for first ping and join channels after sending pong.
// TODO this approach is not very DRY!
loop {
let message = match stream.read() {
Ok(m) => m,
Err(e) => Message::from(
Command::PRIVMSG(
String::from("Error"),
format!("{}", e)
)
)
};
match message.command {
Command::PING(ref data, _) => {
stream.write(Message::from(
Command::PONG(data.to_owned(), None)
)).unwrap();
while let Some(message) = message_queue.pop_front() {
stream.write(message).unwrap();
}
break;
}
_ => match handle_message(message) {
Some(m) => stream.write(m).unwrap(),
None => ()
} }
} }
} }
let config;
match config_path {
Some(p) => config = config::get_main_config(PathBuf::from(p))
.expect("Could not get config"),
None => config = config::get_main_config(PathBuf::from("/etc/Mention2Mail/config.toml"))
.expect("Could not get default config in /etc/Mention2Mail/default.toml"),
}
let server_configs;
match server_conf_path {
Some(p) => server_configs = config::get_server_configs(config, PathBuf::from(p))
.expect("Could not get server config."),
None => server_configs = vec![config],
}
let (tx,rx) = channel();
let mut server_threads = vec![];
for s_conf in server_configs {
let t = tx.clone();
server_threads.push(thread::Builder::new()
.name("server name here".to_string())
.spawn(move || {
servers::handle_server(s_conf, t).unwrap();
})
);
}
let mut mailer = SendmailTransport::new();
loop { loop {
let message = match stream.read() { match rx.recv() {
Ok(m) => m, Ok(data) => {
Err(e) => Message::from( println!("Sending mail to: {}", data[0]);
Command::PRIVMSG( let id = "notarealiid@mention2mail".to_owned();
String::from("Error"), let body = format!("Subject: You were mentioned in {} on {}\n{} wrote: {}",
format!("{}", e) data[2], data[1], data[3], data[4]).into_bytes();
) let mail = lettre::SendableEmail::new(
) lettre::Envelope::new(
}; Some(
match handle_message(message) { lettre::EmailAddress::new("m2m@chaostreff-alzey.de".to_owned())
Some(m) => stream.write(m).unwrap(), .unwrap()
None => () ),
vec![
lettre::EmailAddress::new(data[0].clone()).unwrap()]
).unwrap(),
id,
body
);
match mailer.send(mail) {
Ok(_) => println!("Email sent successfully!"),
Err(e) => panic!("Could not send email: {:?}", e),
}
}
Err(_e) => (),
} }
} }
} }

219
src/servers.rs Normal file
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@ -0,0 +1,219 @@
/* Copyright 2021 Daniel Mowitz
* This file is part of Mention2Mail.
*
* Mention2Mail is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Mention2Mail is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Mention2Mail. If not, see <https://www.gnu.org/licenses/>.
*/
use std::{
collections::VecDeque,
sync::mpsc::Sender,
};
use irc_proto::command::{
CapSubCommand,
Command,
};
use toml::map::{
Map,
Keys
};
use irc_proto::message::Message;
use toml::value::Value;
/// Constructs a VecDeque with the messages
/// required to identify with an IRC server.
/// Uses the credentials set in -`config.toml`.
fn get_irc_identify_messages (config: &Value)
-> Result<VecDeque<Message>, Box<dyn std::error::Error>> {
let mut queue = VecDeque::new();
queue.push_back(Message::from(
Command::CAP(
None,
CapSubCommand::END,
None,
None
)));
match config.get("password") {
Some(p) => queue.push_back(Message::from(
Command::PASS(
String::from(p.as_str().ok_or("Could not parse password.")?)
)
)),
None => ()
}
let nick: String;
match config.get("nickname") {
Some(n) => {
nick = String::from(n.as_str().ok_or("Could not parse nickname.")?);
queue.push_back(Message::from(Command::NICK(nick.clone())));
},
None => return Err("No nickname supplied!".into()),
}
match config.get("username") {
Some(u) => queue.push_back(Message::from(
Command::USER(
String::from(u.as_str().ok_or("Could not parse username.")?),
"0".to_owned(),
String::from(u.as_str().ok_or("Could not parse username.")?)
)
)),
None => queue.push_back(Message::from(
// nick.clone() is only used once because the value
// can be moved the second time
Command::USER(nick.clone(), "0".to_owned(), nick)
))
}
Ok(queue)
}
/// 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>)
-> Result<VecDeque<Message>, Box<dyn std::error::Error>> {
let mut queue = queue;
match config.get("channels") {
Some(c) => {
for channel in c.as_array().ok_or("Could not parse channels.")? {
queue.push_back(Message::from(
Command::JOIN(
String::from(channel.as_str().ok_or("Could not parse one of the channels")?),
None,
None
)
))
}
},
None => ()
}
Ok(queue)
}
fn handle_message(message: Message, nick: &String, client_names: Keys)
-> (Option<Message>, Option<[String; 4]>) {
let sender = match message.clone().source_nickname() {
Some(s) => String::from(s),
None => String::from("anonymous")
};
match message.clone().command {
Command::PING(ref data, _) => {
return (
Some(Message::from(
Command::PONG(data.to_owned(), None)
)),
None
);
},
Command::PRIVMSG(ref rec, ref msg) => {
// Send bot info on receiving a private message.
if rec.as_str() == nick.as_str() {
return (
Some(Message::from(
Command::PRIVMSG(
sender.clone(),
super::texts::get_bot_info(),
)
)
),
None
)
}
for c_name in client_names {
if msg.contains(c_name) {
return (None, Some([c_name.clone(),
rec.clone(),
sender.clone(),
msg.clone()
]))
}
}
},
_ => println!("{}", message.clone().to_string())
}
return (None, None)
}
pub fn handle_server(config: Value, tx: Sender<[String; 5]>)
-> 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 clients;
match config.get("clients").unwrap().as_table() {
Some(t) => clients = t.clone(),
None => clients = Map::new(),
}
let mut stream = super::connect::connect_irc(&config).unwrap();
let mut message_queue = get_irc_identify_messages(&config).unwrap();
while let Some(message) = message_queue.pop_front() {
stream.write(message).unwrap();
}
message_queue = get_irc_join_messages(&config, message_queue).unwrap();
// Wait for first ping and join channels after sending pong.
loop {
let message = stream.read()?;
match message.command {
Command::PING(ref data, _) => {
stream.write(Message::from(
Command::PONG(data.to_owned(), None)
)).unwrap();
while let Some(message) = message_queue.pop_front() {
stream.write(message).unwrap();
}
break;
}
_ => ()
}
}
// Handle all incoming messages after joining the channels.
loop {
let message = stream.read()?;
let (answer, data) = handle_message(message, &nick, clients.keys());
match answer {
Some(a) => stream.write(a).unwrap(),
None => ()
}
match data {
Some(d) => match clients.get(&d[0]) {
Some(addr) => {
// There must be a better way to do this…
let out = [
addr.as_str()
.ok_or("Could not parse email address.")?
.to_owned(),
server_name.to_owned(),
d[1].clone(),
d[2].clone(),
d[3].clone(),
];
tx.send(out)?
},
None => (),
},
None => (),
}
}
}

21
src/texts.rs Normal file
View file

@ -0,0 +1,21 @@
/* Copyright 2021 Daniel Mowitz
* This file is part of Mention2Mail.
*
* Mention2Mail is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Mention2Mail is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Mention2Mail. If not, see <https://www.gnu.org/licenses/>.
*/
pub fn get_bot_info() -> String{
"Hello! I'm an instance of Mention2Mail. I am licensed under the AGPLv3. You can find my source code at: https://gitea.chaostreff-alzey.de/Thelie/Mention2Mail/".to_owned()
}