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refactor: stop trying to extract chat ID from Message-IDs

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This commit is contained in:
link2xt
2024-05-19 23:32:19 +00:00
parent cff5c064a6
commit 98ae05ee59
3 changed files with 2 additions and 129 deletions
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35
src/receive_imf.rs
View File

@@ -40,7 +40,7 @@ use crate::simplify;
use crate::sql;
use crate::stock_str;
use crate::sync::Sync::*;
use crate::tools::{self, buf_compress, extract_grpid_from_rfc724_mid};
use crate::tools::{self, buf_compress};
use crate::{chatlist_events, location};
use crate::{contact, imap};
use iroh_net::NodeAddr;
@@ -1829,7 +1829,7 @@ async fn create_or_lookup_group(
to_ids: &[ContactId],
verified_encryption: &VerifiedEncryption,
) -> Result<Option<(ChatId, Blocked)>> {
let Some(grpid) = try_getting_grpid(mime_parser) else {
let Some(grpid) = mime_parser.get_chat_group_id().map(|s| s.to_string()) else {
if is_partial_download {
// Partial download may be an encrypted message with protected Subject header.
//
@@ -2471,37 +2471,6 @@ async fn apply_mailinglist_changes(
Ok(())
}
fn try_getting_grpid(mime_parser: &MimeMessage) -> Option<String> {
if let Some(optional_field) = mime_parser.get_chat_group_id() {
return Some(optional_field.to_string());
}
// Useful for undecipherable messages sent to known group.
if let Some(extracted_grpid) = extract_grpid(mime_parser, HeaderDef::MessageId) {
return Some(extracted_grpid.to_string());
}
if !mime_parser.has_chat_version() {
if let Some(extracted_grpid) = extract_grpid(mime_parser, HeaderDef::InReplyTo) {
return Some(extracted_grpid.to_string());
} else if let Some(extracted_grpid) = extract_grpid(mime_parser, HeaderDef::References) {
return Some(extracted_grpid.to_string());
}
}
None
}
/// try extract a grpid from a message-id list header value
fn extract_grpid(mime_parser: &MimeMessage, headerdef: HeaderDef) -> Option<&str> {
let header = mime_parser.get_header(headerdef)?;
let parts = header
.split(',')
.map(str::trim)
.filter(|part| !part.is_empty());
parts.filter_map(extract_grpid_from_rfc724_mid).next()
}
/// Creates ad-hoc group and returns chat ID on success.
async fn create_adhoc_group(
context: &Context,

37
src/receive_imf/tests.rs
View File

@@ -16,25 +16,6 @@ use crate::imex::{imex, ImexMode};
use crate::test_utils::{get_chat_msg, TestContext, TestContextManager};
use crate::tools::SystemTime;
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn test_grpid_simple() {
let context = TestContext::new_alice().await;
let raw = b"Received: (Postfix, from userid 1000); Mon, 4 Dec 2006 14:51:39 +0100 (CET)\n\
From: hello@example.org\n\
Subject: outer-subject\n\
In-Reply-To: <lqkjwelq123@123123>\n\
References: <Gr.HcxyMARjyJy.9-uvzWPTLtV@nauta.cu>\n\
\n\
hello\x00";
let mimeparser = MimeMessage::from_bytes(&context.ctx, &raw[..], None)
.await
.unwrap();
assert_eq!(mimeparser.incoming, true);
assert_eq!(extract_grpid(&mimeparser, HeaderDef::InReplyTo), None);
let grpid = Some("HcxyMARjyJy");
assert_eq!(extract_grpid(&mimeparser, HeaderDef::References), grpid);
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn test_outgoing() -> Result<()> {
let context = TestContext::new_alice().await;
@@ -61,24 +42,6 @@ async fn test_bad_from() {
assert!(mimeparser.is_err());
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn test_grpid_from_multiple() {
let context = TestContext::new_alice().await;
let raw = b"Received: (Postfix, from userid 1000); Mon, 4 Dec 2006 14:51:39 +0100 (CET)\n\
From: hello@example.org\n\
Subject: outer-subject\n\
In-Reply-To: <Gr.HcxyMARjyJy.9-qweqwe@asd.net>\n\
References: <qweqweqwe>, <Gr.HcxyMARjyJy.9-uvzWPTLtV@nau.ca>\n\
\n\
hello\x00";
let mimeparser = MimeMessage::from_bytes(&context.ctx, &raw[..], None)
.await
.unwrap();
let grpid = Some("HcxyMARjyJy");
assert_eq!(extract_grpid(&mimeparser, HeaderDef::InReplyTo), grpid);
assert_eq!(extract_grpid(&mimeparser, HeaderDef::References), grpid);
}
static MSGRMSG: &[u8] =
b"Received: (Postfix, from userid 1000); Mon, 4 Dec 2006 14:51:39 +0100 (CET)\n\
From: Bob <bob@example.com>\n\

59
src/tools.rs
View File

@@ -294,31 +294,6 @@ pub(crate) fn create_outgoing_rfc724_mid() -> String {
format!("Mr.{}.{}@localhost", create_id(), create_id())
}
/// Extract the group id (grpid) from a message id (mid)
///
/// # Arguments
///
/// * `mid` - A string that holds the message id. Leading/Trailing <>
/// characters are automatically stripped.
pub(crate) fn extract_grpid_from_rfc724_mid(mid: &str) -> Option<&str> {
let mid = mid.trim_start_matches('<').trim_end_matches('>');
if mid.len() < 9 || !mid.starts_with("Gr.") {
return None;
}
if let Some(mid_without_offset) = mid.get(3..) {
if let Some(grpid_len) = mid_without_offset.find('.') {
/* strict length comparison, the 'Gr.' magic is weak enough */
if grpid_len == 11 || grpid_len == 16 {
return Some(mid_without_offset.get(0..grpid_len).unwrap());
}
}
}
None
}
// the returned suffix is lower-case
pub fn get_filesuffix_lc(path_filename: &str) -> Option<String> {
Path::new(path_filename)
@@ -925,45 +900,11 @@ DKIM Results: Passed=true";
}
}
#[test]
fn test_extract_grpid_from_rfc724_mid() {
// Should return None if we pass invalid mid
let mid = "foobar";
let grpid = extract_grpid_from_rfc724_mid(mid);
assert_eq!(grpid, None);
// Should return None if grpid has a length which is not 11 or 16
let mid = "Gr.12345678.morerandom@domain.de";
let grpid = extract_grpid_from_rfc724_mid(mid);
assert_eq!(grpid, None);
// Should return extracted grpid for grpid with length of 11
let mid = "Gr.12345678901.morerandom@domain.de";
let grpid = extract_grpid_from_rfc724_mid(mid);
assert_eq!(grpid, Some("12345678901"));
// Should return extracted grpid for grpid with length of 11
let mid = "Gr.1234567890123456.morerandom@domain.de";
let grpid = extract_grpid_from_rfc724_mid(mid);
assert_eq!(grpid, Some("1234567890123456"));
// Should return extracted grpid for grpid with length of 11
let mid = "<Gr.12345678901.morerandom@domain.de>";
let grpid = extract_grpid_from_rfc724_mid(mid);
assert_eq!(grpid, Some("12345678901"));
// Should return extracted grpid for grpid with length of 11
let mid = "<Gr.1234567890123456.morerandom@domain.de>";
let grpid = extract_grpid_from_rfc724_mid(mid);
assert_eq!(grpid, Some("1234567890123456"));
}
#[test]
fn test_create_outgoing_rfc724_mid() {
let mid = create_outgoing_rfc724_mid();
assert!(mid.starts_with("Mr."));
assert!(mid.ends_with("@localhost"));
assert!(extract_grpid_from_rfc724_mid(mid.as_str()).is_none());
}
proptest! {