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Jon Gjengset 2017-03-02 01:20:17 -05:00
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[package]
name = "buzz"
version = "0.1.0"
description = "A simple system tray application for notifying about unseen e-mail"
readme = "README.md"
authors = ["Jon Gjengset <jon@thesquareplanet.com>"]
homepage = "https://github.com/jonhoo/buzz"
repository = "https://github.com/jonhoo/buzz.git"
keywords = ["email","cli","systray","notification"]
categories = ["command-line-utilities", "email"]
license = "MIT/Apache-2.0"
[dependencies]
imap = { git = "https://github.com/jonhoo/rust-imap.git", branch = "idle" }
openssl = "0.7.13"
systray = { git = "https://github.com/qdot/systray-rs.git", branch = "linux-core" }
mailparse = "0.5.1"
toml = "0.3.1"
xdg = "2.0.0"

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The MIT License (MIT)
Copyright (c) 2016 Jon Gjengset
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# Introduction
Using mutt (or pine), but annoyed that it doesn't give you any
notifications when you've received new emails? buzz is a simple tray
application that detects new emails on IMAP servers using IDLE (push
rather than pull). When it detects unseen messages, it shows a OSD style
notification and changes the tray icon to indicate that you have new
mail.
This project is a Rust fork of
[hasmail](https://github.com/jonhoo/hasmail), which provides basically
the same features, and is written in Go.
# Configuration
buzz looks for a
[TOML](https://github.com/toml-lang/toml#user-content-example)
configuration file in `~/.config/buzz.toml` on startup. The
configuration file consists of a number of sections, each corresponding
to one account:
```toml
[gmail]
server = "imap.gmail.com"
port = 993
username = "jon@gmail.com"
pwcmd = "gnome-keyring-query get gmail_pw"
```
## Account fields
The value in `[]` can be anything (though avoid `.` as it will be parsed
as a new TOML section), and is shown in the tooltip when new e-mails
arrive for an account. The options for an account are as follows:
- `server`: The address to connect to. MUST currently be SSL/TLS
enabled.
- `port`: The port to connect to.
- `username`: Username for authentication.
- `pwcmd`: Command to execute to get password for authentication.
# TODOs
- [ ] `click` command
- [ ] hover tooltip
- [ ] customizeable folder

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extern crate xdg;
extern crate toml;
extern crate imap;
extern crate openssl;
extern crate systray;
extern crate mailparse;
use openssl::ssl::{SslContext, SslMethod};
use imap::client::Client;
use std::collections::HashSet;
use std::process::Command;
use std::io::prelude::*;
use std::sync::mpsc;
use std::fs::File;
use std::thread;
struct Account<'a> {
name: &'a str,
server: (&'a str, u16),
username: &'a str,
password: String,
}
fn main() {
// Load the user's config
let xdg = match xdg::BaseDirectories::new() {
Ok(xdg) => xdg,
Err(e) => {
println!("Could not find configuration file buzz.toml: {}", e);
return;
}
};
let config = match xdg.find_config_file("buzz.toml") {
Some(config) => config,
None => {
println!("Could not find configuration file buzz.toml");
return;
}
};
let mut f = match File::open(config) {
Ok(f) => f,
Err(e) => {
println!("Could not open configuration file buzz.toml: {}", e);
return;
}
};
let mut s = String::new();
if let Err(e) = f.read_to_string(&mut s) {
println!("Could not read configuration file buzz.toml: {}", e);
return;
}
let t = match s.parse::<toml::Value>() {
Ok(t) => t,
Err(e) => {
println!("Could not parse configuration file buzz.toml: {}", e);
return;
}
};
// Figure out what accounts we have to deal with
let accounts: Vec<_> = match t.as_table() {
Some(t) => {
t.iter()
.filter_map(|(name, v)| match v.as_table() {
None => {
println!("Configuration for account {} is broken: not a table", name);
None
}
Some(t) => {
let pwcmd = match t.get("pwcmd").and_then(|p| p.as_str()) {
None => return None,
Some(pwcmd) => pwcmd,
};
let password = match Command::new("sh").arg("-c").arg(pwcmd).output() {
Ok(output) => String::from_utf8_lossy(&output.stdout).into_owned(),
Err(e) => {
println!("Failed to launch password command for {}: {}", name, e);
return None;
}
};
Some(Account {
name: &name,
server: (t["server"].as_str().unwrap(),
t["port"].as_integer().unwrap() as u16),
username: t["username"].as_str().unwrap(),
password: password,
})
}
})
.collect()
}
None => {
println!("Could not parse configuration file buzz.toml: not a table");
return;
}
};
if accounts.is_empty() {
println!("No accounts in config; exiting...");
return;
}
// Create a new application
let mut app = match systray::Application::new() {
Ok(app) => app,
Err(e) => {
println!("Could not create gtk application: {}", e);
return;
}
};
if let Err(e) = app.set_icon_from_file(&"/usr/share/icons/Faenza/stock/24/stock_disconnect.png".to_string()) {
println!("Could not set application icon: {}", e);
}
if let Err(e) = app.add_menu_item(&"Quit".to_string(), |window| { window.quit(); }) {
println!("Could not add application Quit menu option: {}", e);
}
// TODO: w.set_tooltip(&"Whatever".to_string());
// TODO: app.wait_for_message();
let accounts: Vec<_> = accounts.into_iter()
.filter_map(|a| {
let name = a.name;
Client::secure_connect(a.server, SslContext::new(SslMethod::Sslv23).unwrap())
.map(move |mut c| {
c.login(a.username, &a.password).unwrap();
assert!(c.capability().unwrap().iter().any(|c| c == "IDLE"));
c.select("INBOX").unwrap();
(String::from(name), c)
})
.map_err(move |e| {
println!("Failed to connect account {}: {}", name, e);
})
.ok()
})
.collect();
// We have now connected
app.set_icon_from_file(&"/usr/share/icons/Faenza/stock/24/stock_connect.png".to_string()).ok();
let (tx, rx) = mpsc::channel();
let mut unseen: Vec<_> = accounts.iter().map(|_| 0).collect();
for (i, (account, mut imap_socket)) in accounts.into_iter().enumerate() {
let tx = tx.clone();
thread::spawn(move || {
// Keep track of all the e-mails we have already notified about
let mut notified = HashSet::new();
loop {
// check current state of inbox
let unseen = imap_socket.run_command_and_read_response("SEARCH UNSEEN").unwrap();
let mut num_unseen = 0;
let mut uids = Vec::new();
for line in &unseen {
for uid in line.split_whitespace()
.skip(2)
.take_while(|&e| e != "" && e != "Completed") {
if let Ok(uid) = usize::from_str_radix(uid, 10) {
if notified.insert(uid) {
uids.push(format!("{}", uid));
}
num_unseen += 1;
}
}
}
let mut subjects = Vec::new();
{
let mut finish = |message: &[u8]| {
if message.is_empty() {
return;
}
if let Ok((headers, _)) = mailparse::parse_headers(message) {
use mailparse::MailHeaderMap;
if let Ok(Some(subject)) = headers.get_first_value("Subject") {
subjects.push(subject);
}
}
};
let lines = imap_socket.fetch(&uids.join(","), "RFC822.HEADER").unwrap();
let mut message = Vec::new();
for line in lines {
if line.starts_with("* ") {
finish(&message[..]);
message.clear();
continue;
}
message.extend(line.into_bytes());
}
finish(&message[..]);
}
if !subjects.is_empty() {
let title = format!("@{} has new mail ({} unseen)", account, num_unseen);
let notification = format!("> {}", subjects.join("\n> "));
Command::new("/usr/bin/notify-send")
.arg("-i")
.arg("notification-message-email")
.arg("-c")
.arg("email")
.arg(title)
.arg(notification)
.status()
.expect("failed to launch notify-send");
}
tx.send((i, num_unseen)).unwrap();
// IDLE until we see changes
let mut idle = imap_socket.idle().unwrap();
if let Err(e) = idle.wait_keepalive() {
println!("IDLE failed: {:?}", e);
break;
}
}
imap_socket.logout().unwrap();
});
}
for (i, num_unseen) in rx {
unseen[i] = num_unseen;
if unseen.iter().sum::<usize>() == 0 {
app.set_icon_from_file(&"/usr/share/icons/oxygen/base/32x32/status/mail-unread.png"
.to_string())
.unwrap();
} else {
app.set_icon_from_file(&"/usr/share/icons/oxygen/base/32x32/status/mail-unread-new.png"
.to_string())
.unwrap();
}
}
}