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fix #786 by always succeeding to create a canonical deterministic message-id -- thanks @csb0730 for the analysis of the issue

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holger krekel
2019-11-03 01:12:59 +01:00
parent e1df41c209
commit cb00f5da79
1 changed files with 5 additions and 5 deletions
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10
src/dc_tools.rs
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@@ -249,12 +249,10 @@ pub(crate) fn dc_create_incoming_rfc724_mid(
contact_id_from: u32,
contact_ids_to: &[u32],
) -> Option<String> {
if contact_ids_to.is_empty() {
return None;
}
/* find out the largest receiver ID (we could also take the smallest, but it should be unique) */
let largest_id_to = contact_ids_to.iter().max().copied().unwrap_or_default();
/* create a deterministic rfc724_mid from input such that
repeatedly calling it with the same input results in the same Message-id */
let largest_id_to = contact_ids_to.iter().max().copied().unwrap_or_default();
let result = format!(
"{}-{}-{}@stub",
message_timestamp, contact_id_from, largest_id_to
@@ -1232,6 +1230,8 @@ mod tests {
fn test_dc_create_incoming_rfc724_mid() {
let res = dc_create_incoming_rfc724_mid(123, 45, &vec![6, 7]);
assert_eq!(res, Some("123-45-7@stub".into()));
let res = dc_create_incoming_rfc724_mid(123, 45, &vec![]);
assert_eq!(res, Some("123-45-0@stub".into()));
}
#[test]