add idle mode

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Clément DOUIN 2021-03-11 17:05:01 +01:00
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@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## [Unreleased]
### Added
- IDLE support [#29]
## [0.2.0] - 2021-03-10
### Added
@ -66,4 +70,5 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
[#21]: https://github.com/soywod/himalaya/issues/21
[#22]: https://github.com/soywod/himalaya/issues/22
[#25]: https://github.com/soywod/himalaya/issues/25
[#29]: https://github.com/soywod/himalaya/issues/29
[#32]: https://github.com/soywod/himalaya/issues/32

119
README.md
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@ -18,6 +18,7 @@ Minimalist CLI email client, written in Rust.
* [Write a new message](#write-a-new-message)
* [Reply to a message](#reply-to-a-message)
* [Forward a message](#forward-a-message)
* [Listen to new messages](#listen-to-new-messages)
* [License](https://github.com/soywod/himalaya/blob/master/LICENSE)
* [Changelog](https://github.com/soywod/himalaya/blob/master/CHANGELOG.md)
* [Credits](#credits)
@ -39,8 +40,8 @@ more flexibility.
curl -sSL https://raw.githubusercontent.com/soywod/himalaya/master/install.sh | bash
```
*See [wiki section](https://github.com/soywod/himalaya/wiki/Installation) for
more information.*
*See the [wiki section](https://github.com/soywod/himalaya/wiki/Installation)
for other installation methods.*
## Configuration
@ -50,8 +51,6 @@ more information.*
name = "Your full name"
downloads-dir = "/abs/path/to/downloads"
# Himalaya supports the multi-account
# Each account should be inside a TOML section
[gmail]
default = true
email = "my.email@gmail.com"
@ -59,34 +58,16 @@ email = "my.email@gmail.com"
imap-host = "imap.gmail.com"
imap-port = 993
imap-login = "test@gmail.com"
imap-passwd_cmd = "pass show gmail"
imap-passwd-cmd = "pass show gmail"
smtp-host = "smtp.gmail.com"
smtp-port = 487
smtp-login = "test@gmail.com"
smtp-passwd_cmd = "pass show gmail"
[posteo]
name = "Your overriden full name"
downloads-dir = "/abs/path/to/overriden/downloads"
email = "test@posteo.net"
imap-host = "posteo.de"
imap-port = 993
imap-login = "test@posteo.net"
imap-passwd_cmd = "security find-internet-password -gs posteo -w"
smtp-host = "posteo.de"
smtp-port = 487
smtp-login = "test@posteo.net"
smtp-passwd_cmd = "security find-internet-password -gs posteo -w"
# [other accounts]
# ...
smtp-passwd-cmd = "security find-internet-password -gs posteo -w"
```
*See [wiki section](https://github.com/soywod/himalaya/wiki/Configuration) for
more information.*
*See the [wiki section](https://github.com/soywod/himalaya/wiki/Configuration)
for all the options.*
## Usage
@ -104,12 +85,13 @@ FLAGS:
OPTIONS:
-a, --account <STRING> Name of the account to use
-o, --output <STRING> Format of the output to print [default: text] [possible values: text, json]
-o, --output <STRING> Format of the output to print [possible values: text, json]
SUBCOMMANDS:
attachments Downloads all attachments from an email
forward Forwards an email
help Prints this message or the help of the given subcommand(s)
idle Starts the idle mode
list Lists emails sorted by arrival date
mailboxes Lists all available mailboxes
read Reads text bodies of an email
@ -121,89 +103,98 @@ SUBCOMMANDS:
write Writes a new email
```
*See [wiki section](https://github.com/soywod/himalaya/wiki/Usage) for more
information.*
*See the [wiki section](https://github.com/soywod/himalaya/wiki/Usage) for more
information about commands.*
### List mailboxes
Shows mailboxes in a basic table.
![image](https://user-images.githubusercontent.com/10437171/104848169-0e432000-58e4-11eb-8410-05f0404c0d99.png)
*See [wiki section](https://github.com/soywod/himalaya/wiki/Usage:list-mailboxes)
for more information.*
Shows mailboxes in a basic table.
### List messages
Shows messages in a basic table.
![image](https://user-images.githubusercontent.com/10437171/104848096-aee51000-58e3-11eb-8d99-bcfab5ca28ba.png)
*See [wiki section](https://github.com/soywod/himalaya/wiki/Usage:list-messages) for
more information.*
Shows messages in a basic table.
### Search messages
![image](https://user-images.githubusercontent.com/10437171/110698977-9d86f880-81ee-11eb-8990-0ca89c7d4640.png)
Shows filtered messages in a basic table. The query should follow the
[RFC-3501](https://tools.ietf.org/html/rfc3501#section-6.4.4).
![image](https://user-images.githubusercontent.com/10437171/110698977-9d86f880-81ee-11eb-8990-0ca89c7d4640.png)
*See [wiki section](https://github.com/soywod/himalaya/wiki/Usage:search-messages) for
more information.*
### Download attachments
Downloads all attachments directly to the [`downloads-dir`](#configuration).
![image](https://user-images.githubusercontent.com/10437171/104848278-890c3b00-58e4-11eb-9b5c-48807c04f762.png)
*See [wiki section](https://github.com/soywod/himalaya/wiki/Usage:download-attachments)
for more information.*
Downloads all attachments from a message directly to the
[`downloads-dir`](https://github.com/soywod/himalaya/wiki/Configuration).
### Read a message
Shows the text content of a message (`text/plain` if exists, otherwise
`text/html`). Can be overriden by the `--mime-type` option.
![image](https://user-images.githubusercontent.com/10437171/110701369-5d754500-81f1-11eb-932f-94c2ca8db068.png)
*See [wiki section](https://github.com/soywod/himalaya/wiki/Usage:read-a-message) for
more information.*
Shows the text content of a message (`text/plain` if exists, otherwise
`text/html`).
### Write a new message
Opens your default editor (from the `$EDITOR` environment variable) to compose
a new message.
```bash
himalaya write
```
*See [wiki section](https://github.com/soywod/himalaya/wiki/Usage:write-a-new-message) for
more information.*
Opens your default editor (from the `$EDITOR` environment variable) to compose
a new message.
### Reply to a message
Opens your default editor to reply to a message.
```bash
himalaya reply --all 5123
```
*See [wiki section](https://github.com/soywod/himalaya/wiki/Usage:reply-to-a-message) for
more information.*
Opens your default editor to reply to a message.
### Forward a message
Opens your default editor to forward a message.
```bash
himalaya forward 5123
```
*See [wiki section](https://github.com/soywod/himalaya/wiki/Usage:forward-a-message) for
more information.*
Opens your default editor to forward a message.
### Listen to new messages
```bash
himalaya idle
```
Starts a session in idle mode (blocking). When a new message arrives, it runs
the command `notification-cmd` defined in the [config
file](https://github.com/soywod/himalaya/wiki/Configuration).
Here a use case with [`systemd`](https://en.wikipedia.org/wiki/Systemd):
```ini
# ~/.config/systemd/user/himalaya.service
[Unit]
Description=Himalaya new messages notifier
[Service]
ExecStart=/usr/local/bin/himalaya idle
Restart=always
RestartSec=5
[Install]
WantedBy=multi-user.target
```
```bash
systemctl --user enable himalaya.service
systemctl --user start himalaya.service
```
## Credits

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@ -24,21 +24,28 @@ pub enum Error {
GetAccountNotFoundError(String),
GetAccountDefaultNotFoundError,
OutputError(output::Error),
// new erorrs,
RunNotifyCmdError(output::Error),
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "config: ")?;
use Error::*;
match self {
Error::IoError(err) => err.fmt(f),
Error::ParseTomlError(err) => err.fmt(f),
Error::ParseTomlAccountsError => write!(f, "no account found"),
Error::GetEnvVarError(err) => err.fmt(f),
Error::GetPathNotFoundError => write!(f, "path not found"),
Error::GetAccountNotFoundError(account) => write!(f, "account {} not found", account),
Error::GetAccountDefaultNotFoundError => write!(f, "no default account found"),
Error::OutputError(err) => err.fmt(f),
IoError(err) => err.fmt(f),
ParseTomlError(err) => err.fmt(f),
ParseTomlAccountsError => write!(f, "no account found"),
GetEnvVarError(err) => err.fmt(f),
GetPathNotFoundError => write!(f, "path not found"),
GetAccountNotFoundError(account) => write!(f, "account {} not found", account),
GetAccountDefaultNotFoundError => write!(f, "no default account found"),
OutputError(err) => err.fmt(f),
RunNotifyCmdError(err) => {
write!(f, "run notification cmd: ")?;
err.fmt(f)
}
}
}
}
@ -124,6 +131,7 @@ impl Account {
pub struct Config {
pub name: String,
pub downloads_dir: Option<PathBuf>,
pub notification_cmd: Option<String>,
#[serde(flatten)]
pub accounts: HashMap<String, Account>,
@ -202,4 +210,15 @@ impl Config {
let name = account.name.as_ref().unwrap_or(&self.name);
format!("{} <{}>", name, account.email)
}
pub fn run_notify_cmd(&self, subject: &str, sender: &str) -> Result<()> {
let default_cmd = format!(r#"notify-send "📫 {}" "{}""#, sender, subject);
let cmd = self
.notification_cmd
.as_ref()
.map(|s| format!(r#"{} "{}" "{}""#, s, subject, sender))
.unwrap_or(default_cmd);
run_cmd(&cmd).map_err(Error::RunNotifyCmdError)?;
Ok(())
}
}

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@ -2,9 +2,11 @@ use imap;
use native_tls::{self, TlsConnector, TlsStream};
use std::{fmt, net::TcpStream, result};
use crate::config::{self, Account};
use crate::mbox::{Mbox, Mboxes};
use crate::msg::{Msg, Msgs};
use crate::{
config::{self, Account, Config},
mbox::{Mbox, Mboxes},
msg::{Msg, Msgs},
};
// Error wrapper
@ -17,26 +19,33 @@ pub enum Error {
ReadEmailEmptyPartError(String, String),
ExtractAttachmentsEmptyError(String),
ConfigError(config::Error),
// new errors
IdleError(imap::Error),
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "imap: ")?;
use Error::*;
match self {
Error::CreateTlsConnectorError(err) => err.fmt(f),
Error::CreateImapSession(err) => err.fmt(f),
Error::ParseEmailError(err) => err.fmt(f),
Error::ConfigError(err) => err.fmt(f),
Error::ReadEmailNotFoundError(uid) => {
CreateTlsConnectorError(err) => err.fmt(f),
CreateImapSession(err) => err.fmt(f),
ParseEmailError(err) => err.fmt(f),
ConfigError(err) => err.fmt(f),
ReadEmailNotFoundError(uid) => {
write!(f, "no email found for uid {}", uid)
}
Error::ReadEmailEmptyPartError(uid, mime) => {
ReadEmailEmptyPartError(uid, mime) => {
write!(f, "no {} content found for uid {}", mime, uid)
}
Error::ExtractAttachmentsEmptyError(uid) => {
ExtractAttachmentsEmptyError(uid) => {
write!(f, "no attachment found for uid {}", uid)
}
IdleError(err) => {
write!(f, "IMAP idle mode: ")?;
err.fmt(f)
}
}
}
}
@ -97,6 +106,37 @@ impl<'a> ImapConnector<'a> {
}
}
fn last_new_seq(&mut self) -> Result<Option<u32>> {
Ok(self.sess.uid_search("NEW")?.into_iter().next())
}
pub fn idle(&mut self, config: &Config, mbox: &str) -> Result<()> {
let mut prev_seq = 0;
self.sess.examine(mbox)?;
loop {
self.sess
.idle()
.and_then(|idle| idle.wait_keepalive())
.map_err(Error::IdleError)?;
if let Some(seq) = self.last_new_seq()? {
if prev_seq != seq {
if let Some(msg) = self
.sess
.uid_fetch(seq.to_string(), "(ENVELOPE)")?
.iter()
.next()
.map(Msg::from)
{
config.run_notify_cmd(&msg.subject, &msg.sender)?;
prev_seq = seq;
}
}
}
}
}
pub fn list_mboxes(&mut self) -> Result<Mboxes> {
let mboxes = self
.sess

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@ -253,6 +253,11 @@ fn run() -> Result<()> {
.arg(mailbox_arg()),
),
)
.subcommand(
SubCommand::with_name("idle")
.about("Starts the idle mode")
.arg(mailbox_arg()),
)
.get_matches();
let account_name = matches.value_of("account");
@ -525,6 +530,14 @@ fn run() -> Result<()> {
imap_conn.logout();
}
if let Some(matches) = matches.subcommand_matches("idle") {
let config = Config::new_from_file()?;
let account = config.find_account_by_name(account_name)?;
let mut imap_conn = ImapConnector::new(&account)?;
let mbox = matches.value_of("mailbox").unwrap();
imap_conn.idle(&config, &mbox)?;
}
Ok(())
}