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fix: trash message about group name change from non-member

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link2xt
2026-04-06 04:46:30 +02:00
parent 7c1d9adb62
commit 2c36b81889
2 changed files with 81 additions and 52 deletions
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129
src/receive_imf.rs
View File

@@ -14,7 +14,9 @@ use mailparse::SingleInfo;
use num_traits::FromPrimitive;
use regex::Regex;
use crate::chat::{self, Chat, ChatId, ChatIdBlocked, ChatVisibility, save_broadcast_secret};
use crate::chat::{
self, Chat, ChatId, ChatIdBlocked, ChatVisibility, is_contact_in_chat, save_broadcast_secret,
};
use crate::config::Config;
use crate::constants::{self, Blocked, Chattype, DC_CHAT_ID_TRASH, EDITED_PREFIX, ShowEmails};
use crate::contact::{self, Contact, ContactId, Origin, mark_contact_id_as_verified};
@@ -3121,17 +3123,18 @@ async fn apply_group_changes(
}
}
if is_from_in_chat {
apply_chat_name_avatar_and_description_changes(
context,
mime_parser,
from_id,
chat,
&mut send_event_chat_modified,
&mut better_msg,
)
.await?;
apply_chat_name_avatar_and_description_changes(
context,
mime_parser,
from_id,
is_from_in_chat,
chat,
&mut send_event_chat_modified,
&mut better_msg,
)
.await?;
if is_from_in_chat {
// Avoid insertion of `from_id` into a group with inappropriate encryption state.
if from_is_key_contact != chat.grpid.is_empty()
&& chat.member_list_is_stale(context).await?
@@ -3305,6 +3308,7 @@ async fn apply_chat_name_avatar_and_description_changes(
context: &Context,
mime_parser: &MimeMessage,
from_id: ContactId,
is_from_in_chat: bool,
chat: &mut Chat,
send_event_chat_modified: &mut bool,
better_msg: &mut Option<String>,
@@ -3333,7 +3337,8 @@ async fn apply_chat_name_avatar_and_description_changes(
let chat_group_name_timestamp = chat.param.get_i64(Param::GroupNameTimestamp).unwrap_or(0);
let group_name_timestamp = group_name_timestamp.unwrap_or(mime_parser.timestamp_sent);
// To provide group name consistency, compare names if timestamps are equal.
if (chat_group_name_timestamp, grpname) < (group_name_timestamp, &chat.name)
if is_from_in_chat
&& (chat_group_name_timestamp, grpname) < (group_name_timestamp, &chat.name)
&& chat
.id
.update_timestamp(context, Param::GroupNameTimestamp, group_name_timestamp)
@@ -3354,14 +3359,19 @@ async fn apply_chat_name_avatar_and_description_changes(
.get_header(HeaderDef::ChatGroupNameChanged)
.is_some()
{
let old_name = &sanitize_single_line(old_name);
better_msg.get_or_insert(
if matches!(chat.typ, Chattype::InBroadcast | Chattype::OutBroadcast) {
stock_str::msg_broadcast_name_changed(context, old_name, grpname)
} else {
stock_str::msg_grp_name(context, old_name, grpname, from_id).await
},
);
if is_from_in_chat {
let old_name = &sanitize_single_line(old_name);
better_msg.get_or_insert(
if matches!(chat.typ, Chattype::InBroadcast | Chattype::OutBroadcast) {
stock_str::msg_broadcast_name_changed(context, old_name, grpname)
} else {
stock_str::msg_grp_name(context, old_name, grpname, from_id).await
},
);
} else {
// Attempt to change group name by non-member, trash it.
*better_msg = Some(String::new());
}
}
}
@@ -3384,7 +3394,8 @@ async fn apply_chat_name_avatar_and_description_changes(
let new_timestamp = timestamp_in_header.unwrap_or(mime_parser.timestamp_sent);
// To provide consistency, compare descriptions if timestamps are equal.
if (old_timestamp, &old_description) < (new_timestamp, &new_description)
if is_from_in_chat
&& (old_timestamp, &old_description) < (new_timestamp, &new_description)
&& chat
.id
.update_timestamp(context, Param::GroupDescriptionTimestamp, new_timestamp)
@@ -3405,8 +3416,13 @@ async fn apply_chat_name_avatar_and_description_changes(
.get_header(HeaderDef::ChatGroupDescriptionChanged)
.is_some()
{
better_msg
.get_or_insert(stock_str::msg_chat_description_changed(context, from_id).await);
if is_from_in_chat {
better_msg
.get_or_insert(stock_str::msg_chat_description_changed(context, from_id).await);
} else {
// Attempt to change group description by non-member, trash it.
*better_msg = Some(String::new());
}
}
}
@@ -3416,39 +3432,46 @@ async fn apply_chat_name_avatar_and_description_changes(
&& value == "group-avatar-changed"
&& let Some(avatar_action) = &mime_parser.group_avatar
{
// this is just an explicit message containing the group-avatar,
// apart from that, the group-avatar is send along with various other messages
better_msg.get_or_insert(
if matches!(chat.typ, Chattype::InBroadcast | Chattype::OutBroadcast) {
stock_str::msg_broadcast_img_changed(context)
} else {
match avatar_action {
AvatarAction::Delete => stock_str::msg_grp_img_deleted(context, from_id).await,
AvatarAction::Change(_) => {
stock_str::msg_grp_img_changed(context, from_id).await
if is_from_in_chat {
// this is just an explicit message containing the group-avatar,
// apart from that, the group-avatar is send along with various other messages
better_msg.get_or_insert(
if matches!(chat.typ, Chattype::InBroadcast | Chattype::OutBroadcast) {
stock_str::msg_broadcast_img_changed(context)
} else {
match avatar_action {
AvatarAction::Delete => {
stock_str::msg_grp_img_deleted(context, from_id).await
}
AvatarAction::Change(_) => {
stock_str::msg_grp_img_changed(context, from_id).await
}
}
}
},
);
},
);
} else {
// Attempt to change group avatar by non-member, trash it.
*better_msg = Some(String::new());
}
}
if let Some(avatar_action) = &mime_parser.group_avatar {
info!(context, "Group-avatar change for {}.", chat.id);
if chat
if let Some(avatar_action) = &mime_parser.group_avatar
&& is_from_in_chat
&& chat
.param
.update_timestamp(Param::AvatarTimestamp, mime_parser.timestamp_sent)?
{
match avatar_action {
AvatarAction::Change(profile_image) => {
chat.param.set(Param::ProfileImage, profile_image);
}
AvatarAction::Delete => {
chat.param.remove(Param::ProfileImage);
}
};
chat.update_param(context).await?;
*send_event_chat_modified = true;
}
{
info!(context, "Group-avatar change for {}.", chat.id);
match avatar_action {
AvatarAction::Change(profile_image) => {
chat.param.set(Param::ProfileImage, profile_image);
}
AvatarAction::Delete => {
chat.param.remove(Param::ProfileImage);
}
};
chat.update_param(context).await?;
*send_event_chat_modified = true;
}
Ok(())
@@ -3755,10 +3778,12 @@ async fn apply_out_broadcast_changes(
let mut added_removed_id: Option<ContactId> = None;
if from_id == ContactId::SELF {
let is_from_in_chat = true;
apply_chat_name_avatar_and_description_changes(
context,
mime_parser,
from_id,
is_from_in_chat,
chat,
&mut send_event_chat_modified,
&mut better_msg,
@@ -3847,10 +3872,12 @@ async fn apply_in_broadcast_changes(
let mut send_event_chat_modified = false;
let mut better_msg = None;
let is_from_in_chat = is_contact_in_chat(context, chat.id, from_id).await?;
apply_chat_name_avatar_and_description_changes(
context,
mime_parser,
from_id,
is_from_in_chat,
chat,
&mut send_event_chat_modified,
&mut better_msg,

4
src/receive_imf/receive_imf_tests.rs
View File

@@ -4403,7 +4403,9 @@ async fn test_keep_member_list_if_possibly_nomember() -> Result<()> {
SystemTime::shift(Duration::from_secs(60));
chat::set_chat_name(fiona, fiona_chat_id, "Renamed").await?;
bob.recv_msg(&fiona.pop_sent_msg().await).await;
// Message about chat name change from non-member is trashed.
bob.recv_msg_trash(&fiona.pop_sent_msg().await).await;
// Bob missed the message adding fiona, but mustn't recreate the member list or apply the group
// name change.