ouais

Cargo.toml

@@ -22,7 +22,6 @@ format-bytes = "0.2.0"
 futures = "0.3.13"
 inotify = { version = "0.9.2", features = ["stream"] }
 log = "0.4.14"
-panorama-imap = { path = "imap", version = "0" }
 parking_lot = "0.11.1"
 pgp = "0.7.1"
 pin-project = "1.0.5"
@@ -37,5 +36,10 @@ toml = "0.5.8"
 webpki-roots = "0.21.0"
 xdg = "2.2.0"
 
+[dependencies.panorama-imap]
+path = "imap"
+version = "0"
+features = ["rfc2177-idle"]
+
 [features]
 clippy = []

imap/Cargo.toml

@@ -28,3 +28,7 @@ webpki-roots = "0.21.0"
 
 [dev-dependencies]
 assert_matches = "1.3"
+
+[features]
+default = ["rfc2177-idle"]
+rfc2177-idle = []

imap/src/client/inner.rs

@@ -100,10 +100,10 @@ where
         }
 
         let cmd_str = format!("{}{} {}\r\n", TAG_PREFIX, id, cmd);
-        debug!("[{}] writing to socket: {:?}", id, cmd_str);
+        // debug!("[{}] writing to socket: {:?}", id, cmd_str);
         self.conn.write_all(cmd_str.as_bytes()).await?;
         self.conn.flush().await?;
-        debug!("[{}] written.", id);
+        // debug!("[{}] written.", id);
 
         let resp = ExecWaiter(self, id, false).await;
         // let resp = {
@@ -252,7 +252,7 @@ async fn listen<C>(
 where
     C: AsyncRead + Unpin,
 {
-    debug!("amogus");
+    // debug!("amogus");
     let mut reader = BufReader::new(conn);
     let mut greeting = Some(greeting);
 

imap/src/client/mod.rs

@@ -166,4 +166,13 @@ impl ClientAuthenticated {
         debug!("select response: {:?}", resp);
         Ok(())
     }
+
+    /// Runs the SELECT command
+    #[cfg(feature = "rfc2177-idle")]
+    pub async fn idle(&mut self) -> Result<()> {
+        let cmd = Command::Idle;
+        let resp = self.execute(cmd).await?;
+        debug!("idle response: {:?}", resp);
+        Ok(())
+    }
 }

imap/src/command/mod.rs

@@ -5,9 +5,20 @@ use std::fmt;
 pub enum Command {
     Capability,
     Starttls,
-    Login { username: String, password: String },
-    Select { mailbox: String },
-    List { reference: String, mailbox: String },
+    Login {
+        username: String,
+        password: String,
+    },
+    Select {
+        mailbox: String,
+    },
+    List {
+        reference: String,
+        mailbox: String,
+    },
+
+    #[cfg(feature = "rfc2177-idle")]
+    Idle,
 }
 
 impl fmt::Display for Command {
@@ -19,6 +30,9 @@ impl fmt::Display for Command {
             Login { username, password } => write!(f, "LOGIN {} {}", username, password),
             Select { mailbox } => write!(f, "SELECT {}", mailbox),
             List { reference, mailbox } => write!(f, "LIST {:?} {:?}", reference, mailbox),
+
+            #[cfg(feature = "rfc2177-idle")]
+            Idle => write!(f, "IDLE"),
         }
     }
 }

imap/src/parser/mod.rs

@@ -15,13 +15,15 @@ use crate::response::*;
 #[grammar = "parser/rfc3501.pest"]
 struct Rfc3501;
 
-pub fn parse_capability(s: impl AsRef<str>) -> Result<Capability, Error<Rule>> {
+pub type ParseResult<T, E = Error<Rule>> = Result<T, E>;
+
+pub fn parse_capability(s: impl AsRef<str>) -> ParseResult<Capability> {
     let mut pairs = Rfc3501::parse(Rule::capability, s.as_ref())?;
     let pair = pairs.next().unwrap();
     Ok(build_capability(pair))
 }
 
-pub fn parse_response(s: impl AsRef<str>) -> Result<Response, Error<Rule>> {
+pub fn parse_response(s: impl AsRef<str>) -> ParseResult<Response> {
     let mut pairs = Rfc3501::parse(Rule::response, s.as_ref())?;
     let pair = pairs.next().unwrap();
     Ok(build_response(pair))
@@ -90,10 +92,31 @@ fn build_response(pair: Pair<Rule>) -> Response {
                 _ => unreachable!("{:#?}", pair),
             }
         }
+        Rule::continue_req => {
+            let (code, s) = build_resp_text(unwrap1(pair));
+            Response::Continue {
+                code,
+                information: Some(s),
+            }
+        }
         _ => unreachable!("{:#?}", pair),
     }
 }
 
+fn build_resp_text(pair: Pair<Rule>) -> (Option<ResponseCode>, String) {
+    assert!(matches!(pair.as_rule(), Rule::resp_text));
+    let mut pairs = pair.into_inner();
+    let mut pair = pairs.next().unwrap();
+    let mut resp_code = None;
+    if let Rule::resp_text_code = pair.as_rule() {
+        resp_code = build_resp_text_code(pair);
+        pair = pairs.next().unwrap();
+    }
+    assert!(matches!(pair.as_rule(), Rule::text));
+    let s = pair.as_str().to_owned();
+    (resp_code, s)
+}
+
 fn build_msg_att(pair: Pair<Rule>) -> AttributeValue {
     if !matches!(pair.as_rule(), Rule::msg_att_dyn_or_stat) {
         unreachable!("{:#?}", pair);
@@ -153,7 +176,7 @@ fn build_resp_cond_state(pair: Pair<Rule>) -> (Status, Option<ResponseCode>, Opt
     let pairs = pair.into_inner();
     for pair in pairs {
         match pair.as_rule() {
-            Rule::resp_text_code => code = build_resp_code(pair),
+            Rule::resp_text_code => code = build_resp_text_code(pair),
             Rule::text => information = Some(pair.as_str().to_owned()),
             _ => unreachable!("{:#?}", pair),
         }
@@ -162,7 +185,7 @@ fn build_resp_cond_state(pair: Pair<Rule>) -> (Status, Option<ResponseCode>, Opt
     (status, code, information)
 }
 
-fn build_resp_code(pair: Pair<Rule>) -> Option<ResponseCode> {
+fn build_resp_text_code(pair: Pair<Rule>) -> Option<ResponseCode> {
     if !matches!(pair.as_rule(), Rule::resp_text_code) {
         unreachable!("{:#?}", pair);
     }

imap/src/parser/rfc3501.pest

@@ -135,11 +135,11 @@ zone = @{ ("+" | "-") ~ digit{4} }
 // core rules from https://tools.ietf.org/html/rfc2234#section-6.1
 alpha = @{ '\x41'..'\x5a' | '\x61'..'\x7a' }
 char = @{ '\x01'..'\x7f' }
-cr = @{ "\x0d" }
+cr = _{ "\x0d" }
 crlf = _{ cr ~ lf }
 ctl = @{ '\x00'..'\x1f' | "\x7f" }
 digit = @{ '\x30'..'\x39' }
 dquote = @{ "\"" }
-lf = @{ "\x0a" }
+lf = _{ "\x0a" }
 sp = _{ " " }
 

src/mail/mod.rs

@@ -110,7 +110,7 @@ async fn imap_main(acct: MailAccountConfig) -> Result<()> {
             debug!("listing all emails...");
             let folder_tree = authed.list().await?;
 
-            tokio::time::sleep(std::time::Duration::from_secs(60)).await;
+            let idle = authed.idle().await?;
             debug!("heartbeat");
         }
     }