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dkim_verify.rs
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dkim_verify.rs
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/*
* Copyright (c) 2020-2023, Stalwart Labs Ltd.
*
* Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
* https://www.apache.org/licenses/LICENSE-2.0> or the MIT license
* <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your
* option. This file may not be copied, modified, or distributed
* except according to those terms.
*/
use mail_auth::{AuthenticatedMessage, DkimResult, Resolver};
const TEST_MESSAGE: &str = r#"DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed;
d=football.example.com; i=@football.example.com;
q=dns/txt; s=brisbane; t=1528637909; h=from : to :
subject : date : message-id : from : subject : date;
bh=2jUSOH9NhtVGCQWNr9BrIAPreKQjO6Sn7XIkfJVOzv8=;
b=/gCrinpcQOoIfuHNQIbq4pgh9kyIK3AQUdt9OdqQehSwhEIug4D11Bus
Fa3bT3FY5OsU7ZbnKELq+eXdp1Q1Dw==
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=football.example.com; i=@football.example.com;
q=dns/txt; s=test; t=1528637909; h=from : to : subject :
date : message-id : from : subject : date;
bh=2jUSOH9NhtVGCQWNr9BrIAPreKQjO6Sn7XIkfJVOzv8=;
b=F45dVWDfMbQDGHJFlXUNB2HKfbCeLRyhDXgFpEL8GwpsRe0IeIixNTe3
DhCVlUrSjV4BwcVcOF6+FF3Zo9Rpo1tFOeS9mPYQTnGdaSGsgeefOsk2Jz
dA+L10TeYt9BgDfQNZtKdN1WO//KgIqXP7OdEFE4LjFYNcUxZQ4FADY+8=
From: Joe SixPack <joe@football.example.com>
To: Suzie Q <suzie@shopping.example.net>
Subject: Is dinner ready?
Date: Fri, 11 Jul 2003 21:00:37 -0700 (PDT)
Message-ID: <20030712040037.46341.5F8J@football.example.com>
Hi.
We lost the game. Are you hungry yet?
Joe."#;
#[tokio::main]
async fn main() {
// Create a resolver using Cloudflare DNS
let resolver = Resolver::new_cloudflare_tls().unwrap();
// Parse message
let authenticated_message = AuthenticatedMessage::parse(TEST_MESSAGE.as_bytes()).unwrap();
// Validate signature
let result = resolver.verify_dkim(&authenticated_message).await;
// Make sure all signatures passed verification
assert!(result.iter().all(|s| s.result() == &DkimResult::Pass));
}