882 lines
33 KiB
Rust
882 lines
33 KiB
Rust
/*
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* meli - imap module.
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*
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* Copyright 2019 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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use crate::get_path_hash;
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use smallvec::SmallVec;
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#[macro_use]
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mod protocol_parser;
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pub use protocol_parser::{UntaggedResponse::*, *};
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mod mailbox;
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pub use mailbox::*;
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mod operations;
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pub use operations::*;
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mod connection;
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pub use connection::*;
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mod watch;
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pub use watch::*;
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use crate::async_workers::{Async, AsyncBuilder, AsyncStatus, WorkContext};
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use crate::backends::BackendOp;
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use crate::backends::MailboxHash;
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use crate::backends::RefreshEvent;
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use crate::backends::RefreshEventKind::{self, *};
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use crate::backends::{BackendMailbox, MailBackend, Mailbox, RefreshEventConsumer};
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use crate::conf::AccountSettings;
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use crate::email::*;
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use crate::error::{MeliError, Result};
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use fnv::{FnvHashMap, FnvHashSet};
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use std::collections::{hash_map::DefaultHasher, BTreeMap};
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use std::hash::Hasher;
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use std::str::FromStr;
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use std::sync::{Arc, Mutex, RwLock};
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use std::time::Instant;
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pub type UID = usize;
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pub static SUPPORTED_CAPABILITIES: &'static [&'static str] =
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&["IDLE", "LOGIN", "LOGINDISABLED", "ENABLE", "IMAP4REV1"];
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#[derive(Debug, Default)]
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pub struct EnvelopeCache {
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bytes: Option<String>,
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headers: Option<String>,
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body: Option<String>,
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flags: Option<Flag>,
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}
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#[derive(Debug, Clone)]
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pub struct ImapServerConf {
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pub server_hostname: String,
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pub server_username: String,
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pub server_password: String,
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pub server_port: u16,
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pub use_starttls: bool,
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pub danger_accept_invalid_certs: bool,
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}
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struct IsSubscribedFn(Box<dyn Fn(&str) -> bool + Send + Sync>);
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impl std::fmt::Debug for IsSubscribedFn {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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write!(f, "IsSubscribedFn Box")
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}
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}
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impl std::ops::Deref for IsSubscribedFn {
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type Target = Box<dyn Fn(&str) -> bool + Send + Sync>;
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fn deref(&self) -> &Box<dyn Fn(&str) -> bool + Send + Sync> {
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&self.0
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}
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}
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type Capabilities = FnvHashSet<Vec<u8>>;
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macro_rules! get_conf_val {
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($s:ident[$var:literal]) => {
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$s.extra.get($var).ok_or_else(|| {
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MeliError::new(format!(
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"Configuration error ({}): IMAP connection requires the field `{}` set",
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$s.name.as_str(),
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$var
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))
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})
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};
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($s:ident[$var:literal], $default:expr) => {
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$s.extra
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.get($var)
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.map(|v| {
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<_>::from_str(v).map_err(|e| {
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MeliError::new(format!(
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"Configuration error ({}): Invalid value for field `{}`: {}\n{}",
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$s.name.as_str(),
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$var,
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v,
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e
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))
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})
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})
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.unwrap_or_else(|| Ok($default))
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};
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}
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#[derive(Debug)]
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pub struct UIDStore {
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uidvalidity: Arc<Mutex<FnvHashMap<MailboxHash, UID>>>,
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hash_index: Arc<Mutex<FnvHashMap<EnvelopeHash, (UID, MailboxHash)>>>,
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uid_index: Arc<Mutex<FnvHashMap<UID, EnvelopeHash>>>,
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byte_cache: Arc<Mutex<FnvHashMap<UID, EnvelopeCache>>>,
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}
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#[derive(Debug)]
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pub struct ImapType {
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account_name: String,
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online: Arc<Mutex<(Instant, Result<()>)>>,
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is_subscribed: Arc<IsSubscribedFn>,
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connection: Arc<Mutex<ImapConnection>>,
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server_conf: ImapServerConf,
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uid_store: Arc<UIDStore>,
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can_create_flags: Arc<Mutex<bool>>,
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tag_index: Arc<RwLock<BTreeMap<u64, String>>>,
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mailboxes: Arc<RwLock<FnvHashMap<MailboxHash, ImapMailbox>>>,
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}
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impl MailBackend for ImapType {
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fn is_online(&self) -> Result<()> {
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self.online.lock().unwrap().1.clone()
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}
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fn connect(&mut self) {
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if self.is_online().is_err() {
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if Instant::now().duration_since(self.online.lock().unwrap().0)
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>= std::time::Duration::new(2, 0)
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{
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let _ = self.connection.lock().unwrap().connect();
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}
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}
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}
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fn get(&mut self, mailbox: &Mailbox) -> Async<Result<Vec<Envelope>>> {
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let mut w = AsyncBuilder::new();
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let handle = {
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let tx = w.tx();
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let uid_store = self.uid_store.clone();
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let tag_index = self.tag_index.clone();
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let can_create_flags = self.can_create_flags.clone();
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let mailbox_hash = mailbox.hash();
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let (permissions, mailbox_path, mailbox_exists, no_select, unseen) = {
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let f = &self.mailboxes.read().unwrap()[&mailbox_hash];
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(
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f.permissions.clone(),
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f.imap_path().to_string(),
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f.exists.clone(),
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f.no_select,
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f.unseen.clone(),
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)
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};
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let connection = self.connection.clone();
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let closure = move |_work_context| {
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if no_select {
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tx.send(AsyncStatus::Payload(Ok(Vec::new()))).unwrap();
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tx.send(AsyncStatus::Finished).unwrap();
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return;
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}
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let _tx = tx.clone();
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if let Err(err) = (move || {
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let tx = _tx;
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let mut response = String::with_capacity(8 * 1024);
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let mut conn = connection.lock()?;
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debug!("locked for get {}", mailbox_path);
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/* first SELECT the mailbox to get READ/WRITE permissions (because EXAMINE only
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* returns READ-ONLY for both cases) */
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conn.send_command(format!("SELECT \"{}\"", mailbox_path).as_bytes())?;
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conn.read_response(&mut response)?;
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let examine_response = protocol_parser::select_response(&response)?;
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*can_create_flags.lock().unwrap() = examine_response.can_create_flags;
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debug!(
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"mailbox: {} examine_response: {:?}",
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mailbox_path, examine_response
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);
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let mut exists: usize = examine_response.uidnext - 1;
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{
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let mut uidvalidities = uid_store.uidvalidity.lock().unwrap();
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let v = uidvalidities
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.entry(mailbox_hash)
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.or_insert(examine_response.uidvalidity);
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*v = examine_response.uidvalidity;
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let mut permissions = permissions.lock().unwrap();
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permissions.create_messages = !examine_response.read_only;
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permissions.remove_messages = !examine_response.read_only;
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permissions.set_flags = !examine_response.read_only;
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permissions.rename_messages = !examine_response.read_only;
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permissions.delete_messages = !examine_response.read_only;
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permissions.delete_messages = !examine_response.read_only;
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let mut mailbox_exists = mailbox_exists.lock().unwrap();
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*mailbox_exists = exists;
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}
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/* reselecting the same mailbox with EXAMINE prevents expunging it */
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conn.send_command(format!("EXAMINE \"{}\"", mailbox_path).as_bytes())?;
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conn.read_response(&mut response)?;
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let mut tag_lck = tag_index.write().unwrap();
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let mut our_unseen = 0;
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while exists > 1 {
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let mut envelopes = vec![];
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conn.send_command(
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format!(
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"UID FETCH {}:{} (UID FLAGS ENVELOPE BODYSTRUCTURE)",
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std::cmp::max(exists.saturating_sub(500), 1),
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exists
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)
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.as_bytes(),
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)?;
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conn.read_response(&mut response)?;
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debug!(
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"fetch response is {} bytes and {} lines",
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response.len(),
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response.lines().collect::<Vec<&str>>().len()
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);
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let (_, v, _) = protocol_parser::uid_fetch_responses(&response)?;
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debug!("responses len is {}", v.len());
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for UidFetchResponse {
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uid,
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flags,
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envelope,
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..
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} in v
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{
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let mut env = envelope.unwrap();
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let mut h = DefaultHasher::new();
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h.write_usize(uid);
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h.write(mailbox_path.as_bytes());
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env.set_hash(h.finish());
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if let Some((flags, keywords)) = flags {
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if !flags.contains(Flag::SEEN) {
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our_unseen += 1;
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}
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env.set_flags(flags);
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for f in keywords {
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let hash = tag_hash!(f);
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if !tag_lck.contains_key(&hash) {
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tag_lck.insert(hash, f);
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}
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env.labels_mut().push(hash);
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}
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}
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uid_store
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.hash_index
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.lock()
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.unwrap()
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.insert(env.hash(), (uid, mailbox_hash));
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uid_store.uid_index.lock().unwrap().insert(uid, env.hash());
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envelopes.push(env);
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}
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exists = std::cmp::max(exists.saturating_sub(500), 1);
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debug!("sending payload");
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*unseen.lock().unwrap() = our_unseen;
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tx.send(AsyncStatus::Payload(Ok(envelopes))).unwrap();
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}
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drop(conn);
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Ok(())
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})() {
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tx.send(AsyncStatus::Payload(Err(err))).unwrap();
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}
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tx.send(AsyncStatus::Finished).unwrap();
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};
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Box::new(closure)
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};
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w.build(handle)
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}
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fn refresh(
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&mut self,
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mailbox_hash: MailboxHash,
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sender: RefreshEventConsumer,
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) -> Result<Async<()>> {
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self.connection.lock().unwrap().connect()?;
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let inbox = self
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.mailboxes
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.read()
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.unwrap()
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.get(&mailbox_hash)
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.map(std::clone::Clone::clone)
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.unwrap();
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let tag_index = self.tag_index.clone();
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let main_conn = self.connection.clone();
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let uid_store = self.uid_store.clone();
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let account_name = self.account_name.clone();
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let w = AsyncBuilder::new();
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let closure = move |work_context: WorkContext| {
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let thread = std::thread::current();
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let mut conn = main_conn.lock().unwrap();
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work_context
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.set_name
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.send((
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thread.id(),
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format!("refreshing {} imap connection", account_name.as_str(),),
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))
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.unwrap();
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work_context
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.set_status
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.send((thread.id(), "refresh".to_string()))
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.unwrap();
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watch::examine_updates(
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&inbox,
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&sender,
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&mut conn,
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&uid_store,
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&work_context,
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&tag_index,
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)
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.ok()
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.take();
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};
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Ok(w.build(Box::new(closure)))
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}
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fn watch(
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&self,
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sender: RefreshEventConsumer,
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work_context: WorkContext,
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) -> Result<std::thread::ThreadId> {
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let mailboxes = self.mailboxes.clone();
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let tag_index = self.tag_index.clone();
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let conn = ImapConnection::new_connection(&self.server_conf, self.online.clone());
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let main_conn = self.connection.clone();
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let is_online = self.online.clone();
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let uid_store = self.uid_store.clone();
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let handle = std::thread::Builder::new()
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.name(format!("{} imap connection", self.account_name.as_str(),))
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.spawn(move || {
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let thread = std::thread::current();
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work_context
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.set_status
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.send((thread.id(), "watching".to_string()))
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.unwrap();
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let has_idle: bool = main_conn
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.lock()
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.unwrap()
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.capabilities
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.iter()
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.any(|cap| cap.eq_ignore_ascii_case(b"IDLE"));
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let kit = ImapWatchKit {
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conn,
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is_online,
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main_conn,
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uid_store,
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mailboxes,
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sender,
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work_context,
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tag_index,
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};
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if has_idle {
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idle(kit).ok().take();
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} else {
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poll_with_examine(kit).ok().take();
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}
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})?;
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Ok(handle.thread().id())
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}
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fn mailboxes(&self) -> Result<FnvHashMap<MailboxHash, Mailbox>> {
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{
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let mailboxes = self.mailboxes.read().unwrap();
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if !mailboxes.is_empty() {
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return Ok(mailboxes
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.iter()
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.map(|(h, f)| (*h, Box::new(Clone::clone(f)) as Mailbox))
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.collect());
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}
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}
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let mut mailboxes = self.mailboxes.write()?;
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*mailboxes = ImapType::imap_mailboxes(&self.connection)?;
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mailboxes.retain(|_, f| (self.is_subscribed)(f.path()));
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let keys = mailboxes
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.keys()
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.cloned()
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.collect::<FnvHashSet<MailboxHash>>();
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let mut uid_lock = self.uid_store.uidvalidity.lock().unwrap();
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for f in mailboxes.values_mut() {
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uid_lock.entry(f.hash()).or_default();
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f.children.retain(|c| keys.contains(c));
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}
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drop(uid_lock);
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Ok(mailboxes
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.iter()
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.filter(|(_, f)| f.is_subscribed)
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.map(|(h, f)| (*h, Box::new(Clone::clone(f)) as Mailbox))
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.collect())
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}
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fn operation(&self, hash: EnvelopeHash) -> Box<dyn BackendOp> {
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let (uid, mailbox_hash) = self.uid_store.hash_index.lock().unwrap()[&hash];
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Box::new(ImapOp::new(
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uid,
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self.mailboxes.read().unwrap()[&mailbox_hash]
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.imap_path()
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.to_string(),
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self.connection.clone(),
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self.uid_store.clone(),
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self.tag_index.clone(),
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))
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}
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fn save(&self, bytes: &[u8], mailbox: &str, flags: Option<Flag>) -> Result<()> {
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let path = {
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let mailboxes = self.mailboxes.read().unwrap();
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let f_result = mailboxes
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.values()
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.find(|v| v.path == mailbox || v.name == mailbox);
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if f_result
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.map(|f| !f.permissions.lock().unwrap().create_messages)
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.unwrap_or(false)
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{
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return Err(MeliError::new(format!(
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"You are not allowed to create messages in mailbox {}",
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mailbox
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)));
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}
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f_result
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.map(|v| v.imap_path().to_string())
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.ok_or(MeliError::new(format!(
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"Mailbox with name {} not found.",
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mailbox
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)))?
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};
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let mut response = String::with_capacity(8 * 1024);
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let mut conn = self.connection.lock().unwrap();
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let flags = flags.unwrap_or(Flag::empty());
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conn.send_command(
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format!(
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"APPEND \"{}\" ({}) {{{}}}",
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&path,
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flags_to_imap_list!(flags),
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bytes.len()
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)
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.as_bytes(),
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)?;
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// wait for "+ Ready for literal data" reply
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conn.wait_for_continuation_request()?;
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conn.send_literal(bytes)?;
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conn.read_response(&mut response)?;
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Ok(())
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}
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fn as_any(&self) -> &dyn::std::any::Any {
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self
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}
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fn as_any_mut(&mut self) -> &mut dyn::std::any::Any {
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self
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}
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fn tags(&self) -> Option<Arc<RwLock<BTreeMap<u64, String>>>> {
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if *self.can_create_flags.lock().unwrap() {
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Some(self.tag_index.clone())
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} else {
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None
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}
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}
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fn create_mailbox(
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&mut self,
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mut path: String,
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) -> Result<(MailboxHash, FnvHashMap<MailboxHash, Mailbox>)> {
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/* Must transform path to something the IMAP server will accept
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*
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* Each root mailbox has a hierarchy delimeter reported by the LIST entry. All paths
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* must use this delimeter to indicate children of this mailbox.
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*
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* A new root mailbox should have the default delimeter, which can be found out by issuing
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* an empty LIST command as described in RFC3501:
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* C: A101 LIST "" ""
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* S: * LIST (\Noselect) "/" ""
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*
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* The default delimiter for us is '/' just like UNIX paths. I apologise if this
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* decision is unpleasant for you.
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*/
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let mut mailboxes = self.mailboxes.write().unwrap();
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for root_mailbox in mailboxes.values().filter(|f| f.parent.is_none()) {
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if path.starts_with(&root_mailbox.name) {
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debug!("path starts with {:?}", &root_mailbox);
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path = path.replace(
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'/',
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(root_mailbox.separator as char).encode_utf8(&mut [0; 4]),
|
|
);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if mailboxes.values().any(|f| f.path == path) {
|
|
return Err(MeliError::new(format!(
|
|
"Mailbox named `{}` in account `{}` already exists.",
|
|
path, self.account_name,
|
|
)));
|
|
}
|
|
|
|
let mut response = String::with_capacity(8 * 1024);
|
|
{
|
|
let mut conn_lck = self.connection.lock()?;
|
|
|
|
conn_lck.send_command(format!("CREATE \"{}\"", path,).as_bytes())?;
|
|
conn_lck.read_response(&mut response)?;
|
|
conn_lck.send_command(format!("SUBSCRIBE \"{}\"", path,).as_bytes())?;
|
|
conn_lck.read_response(&mut response)?;
|
|
}
|
|
let ret: Result<()> = ImapResponse::from(&response).into();
|
|
ret?;
|
|
let new_hash = get_path_hash!(path.as_str());
|
|
mailboxes.clear();
|
|
drop(mailboxes);
|
|
Ok((new_hash, self.mailboxes().map_err(|err| MeliError::new(format!("Mailbox create was succesful (returned `{}`) but listing mailboxes afterwards returned `{}`", response, err)))?))
|
|
}
|
|
|
|
fn delete_mailbox(
|
|
&mut self,
|
|
mailbox_hash: MailboxHash,
|
|
) -> Result<FnvHashMap<MailboxHash, Mailbox>> {
|
|
let mut mailboxes = self.mailboxes.write().unwrap();
|
|
let permissions = mailboxes[&mailbox_hash].permissions();
|
|
if !permissions.delete_mailbox {
|
|
return Err(MeliError::new(format!("You do not have permission to delete `{}`. Set permissions for this mailbox are {}", mailboxes[&mailbox_hash].name(), permissions)));
|
|
}
|
|
let mut response = String::with_capacity(8 * 1024);
|
|
{
|
|
let mut conn_lck = self.connection.lock()?;
|
|
if !mailboxes[&mailbox_hash].no_select {
|
|
/* make sure mailbox is not selected before it gets deleted, otherwise
|
|
* connection gets dropped by server */
|
|
if conn_lck
|
|
.capabilities
|
|
.iter()
|
|
.any(|cap| cap.eq_ignore_ascii_case(b"UNSELECT"))
|
|
{
|
|
conn_lck.send_command(
|
|
format!("UNSELECT \"{}\"", mailboxes[&mailbox_hash].imap_path()).as_bytes(),
|
|
)?;
|
|
conn_lck.read_response(&mut response)?;
|
|
} else {
|
|
conn_lck.send_command(
|
|
format!("SELECT \"{}\"", mailboxes[&mailbox_hash].imap_path()).as_bytes(),
|
|
)?;
|
|
conn_lck.read_response(&mut response)?;
|
|
conn_lck.send_command(
|
|
format!("EXAMINE \"{}\"", mailboxes[&mailbox_hash].imap_path()).as_bytes(),
|
|
)?;
|
|
conn_lck.read_response(&mut response)?;
|
|
}
|
|
}
|
|
if mailboxes[&mailbox_hash].is_subscribed() {
|
|
conn_lck.send_command(
|
|
format!("UNSUBSCRIBE \"{}\"", mailboxes[&mailbox_hash].imap_path()).as_bytes(),
|
|
)?;
|
|
conn_lck.read_response(&mut response)?;
|
|
}
|
|
|
|
conn_lck.send_command(
|
|
debug!(format!(
|
|
"DELETE \"{}\"",
|
|
mailboxes[&mailbox_hash].imap_path()
|
|
))
|
|
.as_bytes(),
|
|
)?;
|
|
conn_lck.read_response(&mut response)?;
|
|
}
|
|
let ret: Result<()> = ImapResponse::from(&response).into();
|
|
ret?;
|
|
mailboxes.clear();
|
|
drop(mailboxes);
|
|
self.mailboxes().map_err(|err| format!("Mailbox delete was succesful (returned `{}`) but listing mailboxes afterwards returned `{}`", response, err).into())
|
|
}
|
|
|
|
fn set_mailbox_subscription(&mut self, mailbox_hash: MailboxHash, new_val: bool) -> Result<()> {
|
|
let mut mailboxes = self.mailboxes.write().unwrap();
|
|
if mailboxes[&mailbox_hash].is_subscribed() == new_val {
|
|
return Ok(());
|
|
}
|
|
|
|
let mut response = String::with_capacity(8 * 1024);
|
|
{
|
|
let mut conn_lck = self.connection.lock()?;
|
|
if new_val {
|
|
conn_lck.send_command(
|
|
format!("SUBSCRIBE \"{}\"", mailboxes[&mailbox_hash].imap_path()).as_bytes(),
|
|
)?;
|
|
} else {
|
|
conn_lck.send_command(
|
|
format!("UNSUBSCRIBE \"{}\"", mailboxes[&mailbox_hash].imap_path()).as_bytes(),
|
|
)?;
|
|
}
|
|
conn_lck.read_response(&mut response)?;
|
|
}
|
|
|
|
let ret: Result<()> = ImapResponse::from(&response).into();
|
|
if ret.is_ok() {
|
|
mailboxes.entry(mailbox_hash).and_modify(|entry| {
|
|
let _ = entry.set_is_subscribed(new_val);
|
|
});
|
|
}
|
|
ret
|
|
}
|
|
|
|
fn rename_mailbox(
|
|
&mut self,
|
|
mailbox_hash: MailboxHash,
|
|
mut new_path: String,
|
|
) -> Result<Mailbox> {
|
|
let mut mailboxes = self.mailboxes.write().unwrap();
|
|
let permissions = mailboxes[&mailbox_hash].permissions();
|
|
if !permissions.delete_mailbox {
|
|
return Err(MeliError::new(format!("You do not have permission to rename mailbox `{}` (rename is equivalent to delete + create). Set permissions for this mailbox are {}", mailboxes[&mailbox_hash].name(), permissions)));
|
|
}
|
|
let mut response = String::with_capacity(8 * 1024);
|
|
if mailboxes[&mailbox_hash].separator != b'/' {
|
|
new_path = new_path.replace(
|
|
'/',
|
|
(mailboxes[&mailbox_hash].separator as char).encode_utf8(&mut [0; 4]),
|
|
);
|
|
}
|
|
{
|
|
let mut conn_lck = self.connection.lock()?;
|
|
conn_lck.send_command(
|
|
debug!(format!(
|
|
"RENAME \"{}\" \"{}\"",
|
|
mailboxes[&mailbox_hash].imap_path(),
|
|
new_path
|
|
))
|
|
.as_bytes(),
|
|
)?;
|
|
conn_lck.read_response(&mut response)?;
|
|
}
|
|
let new_hash = get_path_hash!(new_path.as_str());
|
|
let ret: Result<()> = ImapResponse::from(&response).into();
|
|
ret?;
|
|
mailboxes.clear();
|
|
drop(mailboxes);
|
|
self.mailboxes().map_err(|err| format!("Mailbox rename was succesful (returned `{}`) but listing mailboxes afterwards returned `{}`", response, err))?;
|
|
Ok(BackendMailbox::clone(
|
|
&self.mailboxes.read().unwrap()[&new_hash],
|
|
))
|
|
}
|
|
|
|
fn set_mailbox_permissions(
|
|
&mut self,
|
|
mailbox_hash: MailboxHash,
|
|
_val: crate::backends::MailboxPermissions,
|
|
) -> Result<()> {
|
|
let mailboxes = self.mailboxes.write().unwrap();
|
|
let permissions = mailboxes[&mailbox_hash].permissions();
|
|
if !permissions.change_permissions {
|
|
return Err(MeliError::new(format!("You do not have permission to change permissions for mailbox `{}`. Set permissions for this mailbox are {}", mailboxes[&mailbox_hash].name(), permissions)));
|
|
}
|
|
|
|
Err(MeliError::new("Unimplemented."))
|
|
}
|
|
}
|
|
|
|
impl ImapType {
|
|
pub fn new(
|
|
s: &AccountSettings,
|
|
is_subscribed: Box<dyn Fn(&str) -> bool + Send + Sync>,
|
|
) -> Result<Box<dyn MailBackend>> {
|
|
let server_hostname = get_conf_val!(s["server_hostname"])?;
|
|
let server_username = get_conf_val!(s["server_username"])?;
|
|
let server_password = get_conf_val!(s["server_password"])?;
|
|
let server_port = get_conf_val!(s["server_port"], 143)?;
|
|
let use_starttls = get_conf_val!(s["use_starttls"], !(server_port == 993))?;
|
|
let danger_accept_invalid_certs: bool =
|
|
get_conf_val!(s["danger_accept_invalid_certs"], false)?;
|
|
let server_conf = ImapServerConf {
|
|
server_hostname: server_hostname.to_string(),
|
|
server_username: server_username.to_string(),
|
|
server_password: server_password.to_string(),
|
|
server_port,
|
|
use_starttls,
|
|
danger_accept_invalid_certs,
|
|
};
|
|
let online = Arc::new(Mutex::new((
|
|
Instant::now(),
|
|
Err(MeliError::new("Account is uninitialised.")),
|
|
)));
|
|
let connection = ImapConnection::new_connection(&server_conf, online.clone());
|
|
|
|
Ok(Box::new(ImapType {
|
|
account_name: s.name().to_string(),
|
|
online,
|
|
server_conf,
|
|
is_subscribed: Arc::new(IsSubscribedFn(is_subscribed)),
|
|
|
|
can_create_flags: Arc::new(Mutex::new(false)),
|
|
tag_index: Arc::new(RwLock::new(Default::default())),
|
|
mailboxes: Arc::new(RwLock::new(Default::default())),
|
|
connection: Arc::new(Mutex::new(connection)),
|
|
uid_store: Arc::new(UIDStore {
|
|
uidvalidity: Default::default(),
|
|
hash_index: Default::default(),
|
|
uid_index: Default::default(),
|
|
byte_cache: Default::default(),
|
|
}),
|
|
}))
|
|
}
|
|
|
|
pub fn shell(&mut self) {
|
|
let mut conn = ImapConnection::new_connection(&self.server_conf, self.online.clone());
|
|
conn.connect().unwrap();
|
|
let mut res = String::with_capacity(8 * 1024);
|
|
conn.send_command(b"NOOP").unwrap();
|
|
conn.read_response(&mut res).unwrap();
|
|
|
|
let mut input = String::new();
|
|
loop {
|
|
use std::io;
|
|
input.clear();
|
|
|
|
match io::stdin().read_line(&mut input) {
|
|
Ok(_) => {
|
|
if input.trim().eq_ignore_ascii_case("logout") {
|
|
break;
|
|
}
|
|
conn.send_command(input.as_bytes()).unwrap();
|
|
conn.read_lines(&mut res, String::new()).unwrap();
|
|
if input.trim() == "IDLE" {
|
|
let mut iter = ImapBlockingConnection::from(conn);
|
|
while let Some(line) = iter.next() {
|
|
debug!("out: {}", unsafe { std::str::from_utf8_unchecked(&line) });
|
|
}
|
|
conn = iter.into_conn();
|
|
}
|
|
debug!("out: {}", &res);
|
|
}
|
|
Err(error) => debug!("error: {}", error),
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn imap_mailboxes(
|
|
connection: &Arc<Mutex<ImapConnection>>,
|
|
) -> Result<FnvHashMap<MailboxHash, ImapMailbox>> {
|
|
let mut mailboxes: FnvHashMap<MailboxHash, ImapMailbox> = Default::default();
|
|
let mut res = String::with_capacity(8 * 1024);
|
|
let mut conn = connection.lock().unwrap();
|
|
conn.send_command(b"LIST \"\" \"*\"")?;
|
|
conn.read_response(&mut res)?;
|
|
debug!("out: {}", &res);
|
|
let mut lines = res.lines();
|
|
/* Remove "M__ OK .." line */
|
|
lines.next_back();
|
|
for l in lines.map(|l| l.trim()) {
|
|
if let Ok(mut mailbox) =
|
|
protocol_parser::list_mailbox_result(l.as_bytes()).to_full_result()
|
|
{
|
|
if let Some(parent) = mailbox.parent {
|
|
if mailboxes.contains_key(&parent) {
|
|
mailboxes
|
|
.entry(parent)
|
|
.and_modify(|e| e.children.push(mailbox.hash));
|
|
} else {
|
|
/* Insert dummy parent entry, populating only the children field. Later
|
|
* when we encounter the parent entry we will swap its children with
|
|
* dummy's */
|
|
mailboxes.insert(
|
|
parent,
|
|
ImapMailbox {
|
|
children: vec![mailbox.hash],
|
|
..ImapMailbox::default()
|
|
},
|
|
);
|
|
}
|
|
}
|
|
if mailboxes.contains_key(&mailbox.hash) {
|
|
let entry = mailboxes.entry(mailbox.hash).or_default();
|
|
std::mem::swap(&mut entry.children, &mut mailbox.children);
|
|
*entry = mailbox;
|
|
} else {
|
|
mailboxes.insert(mailbox.hash, mailbox);
|
|
}
|
|
} else {
|
|
debug!("parse error for {:?}", l);
|
|
}
|
|
}
|
|
conn.send_command(b"LSUB \"\" \"*\"")?;
|
|
conn.read_response(&mut res)?;
|
|
debug!("out: {}", &res);
|
|
let mut lines = res.lines();
|
|
/* Remove "M__ OK .." line */
|
|
lines.next_back();
|
|
for l in lines.map(|l| l.trim()) {
|
|
if let Ok(subscription) =
|
|
protocol_parser::list_mailbox_result(l.as_bytes()).to_full_result()
|
|
{
|
|
if let Some(f) = mailboxes.get_mut(&subscription.hash()) {
|
|
if subscription.no_select {
|
|
continue;
|
|
}
|
|
f.is_subscribed = true;
|
|
}
|
|
} else {
|
|
debug!("parse error for {:?}", l);
|
|
}
|
|
}
|
|
Ok(debug!(mailboxes))
|
|
}
|
|
|
|
pub fn capabilities(&self) -> Vec<String> {
|
|
self.connection
|
|
.lock()
|
|
.unwrap()
|
|
.capabilities
|
|
.iter()
|
|
.map(|c| String::from_utf8_lossy(c).into())
|
|
.collect::<Vec<String>>()
|
|
}
|
|
|
|
pub fn search(
|
|
&self,
|
|
query: String,
|
|
mailbox_hash: MailboxHash,
|
|
) -> Result<SmallVec<[EnvelopeHash; 512]>> {
|
|
let mailboxes_lck = self.mailboxes.read()?;
|
|
let mut response = String::with_capacity(8 * 1024);
|
|
let mut conn = self.connection.lock()?;
|
|
conn.send_command(
|
|
format!("EXAMINE \"{}\"", mailboxes_lck[&mailbox_hash].imap_path()).as_bytes(),
|
|
)?;
|
|
conn.read_response(&mut response)?;
|
|
conn.send_command(format!("UID SEARCH CHARSET UTF-8 {}", query).as_bytes())?;
|
|
conn.read_response(&mut response)?;
|
|
debug!(&response);
|
|
|
|
let mut lines = response.lines();
|
|
for l in lines.by_ref() {
|
|
if l.starts_with("* SEARCH") {
|
|
use std::iter::FromIterator;
|
|
let uid_index = self.uid_store.uid_index.lock()?;
|
|
return Ok(SmallVec::from_iter(
|
|
l["* SEARCH".len()..]
|
|
.trim()
|
|
.split_whitespace()
|
|
.map(usize::from_str)
|
|
.filter_map(std::result::Result::ok)
|
|
.filter_map(|uid| uid_index.get(&uid))
|
|
.map(|env_hash_ref| *env_hash_ref),
|
|
));
|
|
}
|
|
}
|
|
Err(MeliError::new(response))
|
|
}
|
|
|
|
pub fn validate_config(s: &AccountSettings) -> Result<()> {
|
|
get_conf_val!(s["server_hostname"])?;
|
|
get_conf_val!(s["server_username"])?;
|
|
get_conf_val!(s["server_password"])?;
|
|
get_conf_val!(s["server_port"], 143)?;
|
|
get_conf_val!(s["use_starttls"], false)?;
|
|
get_conf_val!(s["danger_accept_invalid_certs"], false)?;
|
|
Ok(())
|
|
}
|
|
}
|