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/*
* SPDX-FileCopyrightText: 2020 Stalwart Labs Ltd <hello@stalw.art>
*
* SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
*/
use common::listener::SessionStream;
use mail_auth::{
common::verify::VerifySignature, AuthenticatedMessage, AuthenticationResults, DkimOutput,
};
use trc::OutgoingReportEvent;
use utils::config::Rate;
use crate::core::Session;
impl<T: SessionStream> Session<T> {
pub async fn send_dkim_report(
&self,
rcpt: &str,
message: &AuthenticatedMessage<'_>,
rate: &Rate,
rejected: bool,
output: &DkimOutput<'_>,
) {
// Generate report
let signature = if let Some(signature) = output.signature() {
signature
} else {
return;
};
// Throttle recipient
if !self.throttle_rcpt(rcpt, rate, "dkim").await {
trc::event!(
OutgoingReport(OutgoingReportEvent::DkimRateLimited),
SpanId = self.data.session_id,
To = rcpt.to_string(),
Limit = vec![
trc::Value::from(rate.requests),
trc::Value::from(rate.period)
],
);
return;
}
let config = &self.core.core.smtp.report.dkim;
let from_addr = self
.core
.core
.eval_if(&config.address, self, self.data.session_id)
.await
.unwrap_or_else(|| "MAILER-DAEMON@localhost".to_string());
let mut report = Vec::with_capacity(128);
self.new_auth_failure(output.result().into(), rejected)
.with_authentication_results(
AuthenticationResults::new(&self.hostname)
.with_dkim_result(output, message.from())
.to_string(),
)
.with_dkim_domain(signature.domain())
.with_dkim_selector(signature.selector())
.with_dkim_identity(signature.identity())
.with_headers(std::str::from_utf8(message.raw_headers()).unwrap_or_default())
.write_rfc5322(
(
self.core
.core
.eval_if(&config.name, self, self.data.session_id)
.await
.unwrap_or_else(|| "Mail Delivery Subsystem".to_string())
.as_str(),
from_addr.as_str(),
),
rcpt,
&self
.core
.core
.eval_if(&config.subject, self, self.data.session_id)
.await
.unwrap_or_else(|| "DKIM Report".to_string()),
&mut report,
)
.ok();
trc::event!(
OutgoingReport(OutgoingReportEvent::DkimReport),
SpanId = self.data.session_id,
From = from_addr.to_string(),
To = rcpt.to_string(),
);
// Send report
self.core
.send_report(
&from_addr,
[rcpt].into_iter(),
report,
&config.sign,
true,
self.data.session_id,
)
.await;
}
}
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