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fix: never merge outer To headers if standard header protection is used

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This commit is contained in:
link2xt
2026-07-23 18:13:08 +00:00
committed by l
parent 6a981ebef3
commit 234e491172
2 changed files with 39 additions and 4 deletions
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12
src/mimeparser.rs
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@@ -1739,6 +1739,10 @@ impl MimeMessage {
.extract_if(|k, _v| has_header_protection || is_protected(k))
.map(|(k, _v)| k.to_string()),
);
if has_header_protection {
*chat_disposition_notification_to = None;
}
for field in fields {
// lowercasing all headers is technically not correct, but makes things work better
let key = field.get_key().to_lowercase();
@@ -1755,20 +1759,20 @@ impl MimeMessage {
}
}
let recipients_new = get_recipients(fields);
if !recipients_new.is_empty() {
if has_header_protection || !recipients_new.is_empty() {
*recipients = recipients_new;
}
let past_members_addresses =
get_all_addresses_from_header(fields, "chat-group-past-members");
if !past_members_addresses.is_empty() {
if has_header_protection || !past_members_addresses.is_empty() {
*past_members = past_members_addresses;
}
let from_new = get_from(fields);
if from_new.is_some() {
if has_header_protection || from_new.is_some() {
*from = from_new;
}
let list_post_new = get_list_post(fields);
if list_post_new.is_some() {
if has_header_protection || list_post_new.is_some() {
*list_post = list_post_new;
}
}