fix: fail fast if IMAP FETCH cannot be parsed

Otherwise when connection is lost IMAP may get into infinite loop
trying to parse remaining bytes:
11-21 18:00:48.442 14858 12946 W DeltaChat: src/imap.rs:1457: Failed to process IMAP FETCH result: io: bytes remaining in stream.
11-21 18:00:48.442 14858 12946 W DeltaChat: src/imap.rs:1457: Failed to process IMAP FETCH result: io: bytes remaining in stream.
11-21 18:00:48.442 14858 12946 W DeltaChat: src/imap.rs:1457: Failed to process IMAP FETCH result: io: bytes remaining in stream.
11-21 18:00:48.442 14858 12946 W DeltaChat: src/imap.rs:1457: Failed to process IMAP FETCH result: io: bytes remaining in stream.
11-21 18:00:48.442 14858 12946 W DeltaChat: src/imap.rs:1457: Failed to process IMAP FETCH result: io: bytes remaining in stream.
11-21 18:00:48.442 14858 12946 W DeltaChat: src/imap.rs:1457: Failed to process IMAP FETCH result: io: bytes remaining in stream.

Returning an error bubbles it up to `fetch_idle()`
which will call `trigger_reconnect()` and drop the connection.
This commit is contained in:
link2xt
2023-11-21 18:44:52 +00:00
parent 30f8522626
commit d1d31096e0

View File

@@ -1451,13 +1451,8 @@ impl Imap {
break;
};
let next_fetch_response = match next_fetch_response {
Ok(next_fetch_response) => next_fetch_response,
Err(err) => {
warn!(context, "Failed to process IMAP FETCH result: {}.", err);
continue;
}
};
let next_fetch_response =
next_fetch_response.context("Failed to process IMAP FETCH result")?;
if let Some(next_uid) = next_fetch_response.uid {
if next_uid == request_uid {