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/*
* SPDX-FileCopyrightText: 2020 Stalwart Labs Ltd <hello@stalw.art>
*
* SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
*/
use std::time::Instant;
use common::listener::SessionStream;
use directory::Permission;
use jmap::email::metadata::MessageMetadata;
use jmap_proto::types::{collection::Collection, property::Property};
use store::write::Bincode;
use trc::AddContext;
use crate::{protocol::response::Response, Session};
impl<T: SessionStream> Session<T> {
pub async fn handle_fetch(&mut self, msg: u32, lines: Option<u32>) -> trc::Result<()> {
// Validate access
self.state
.access_token()
.assert_has_permission(Permission::Pop3Retr)?;
let op_start = Instant::now();
let mailbox = self.state.mailbox();
if let Some(message) = mailbox.messages.get(msg.saturating_sub(1) as usize) {
if let Some(metadata) = self
.jmap
.get_property::<Bincode<MessageMetadata>>(
mailbox.account_id,
Collection::Email,
message.id,
&Property::BodyStructure,
)
.await
.caused_by(trc::location!())?
{
if let Some(bytes) = self
.jmap
.get_blob(&metadata.inner.blob_hash, 0..usize::MAX)
.await
.caused_by(trc::location!())?
{
trc::event!(
Pop3(trc::Pop3Event::Fetch),
SpanId = self.session_id,
DocumentId = message.id,
Elapsed = op_start.elapsed()
);
self.write_bytes(
Response::Message::<u32> {
bytes,
lines: lines.unwrap_or(0),
}
.serialize(),
)
.await
} else {
Err(trc::Pop3Event::Error
.into_err()
.details("Failed to fetch message. Perhaps another session deleted it?")
.caused_by(trc::location!()))
}
} else {
Err(trc::Pop3Event::Error
.into_err()
.details("Failed to fetch message. Perhaps another session deleted it?")
.caused_by(trc::location!()))
}
} else {
Err(trc::Pop3Event::Error.into_err().details("No such message."))
}
}
}
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