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Resultify get_chat_id_by_grpid

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I want to avoid having to be able to represent a chat_id of 0 in order
to more nicely turn chat_id into a ChatId newtype.
This commit is contained in:
Floris Bruynooghe
2020-01-13 23:27:04 +01:00
committed by Floris Bruynooghe
parent 213c5df706
commit 7540770dec
4 changed files with 60 additions and 31 deletions
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42
src/securejoin.rs
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@@ -154,6 +154,7 @@ pub fn dc_join_securejoin(context: &Context, qr: &str) -> u32 {
context,
bob.qr_scan.as_ref().unwrap().text2.as_ref().unwrap(),
)
.unwrap_or((0, false, Blocked::Not))
.0
} else {
contact_chat_id
@@ -593,17 +594,20 @@ pub(crate) fn handle_securejoin_handshake(
return Ok(HandshakeMessage::Ignore);
}
};
let (group_chat_id, _, _) = chat::get_chat_id_by_grpid(context, field_grpid);
if group_chat_id == 0 {
error!(context, "Chat {} not found.", &field_grpid);
return Err(HandshakeError::ChatNotFound {
group: field_grpid.to_string(),
});
} else if let Err(err) =
// Alice -> Bob and all members
chat::add_contact_to_chat_ex(context, group_chat_id, contact_id, true)
{
error!(context, "failed to add contact: {}", err);
match chat::get_chat_id_by_grpid(context, field_grpid) {
Ok((group_chat_id, _, _)) => {
if let Err(err) =
chat::add_contact_to_chat_ex(context, group_chat_id, contact_id, true)
{
error!(context, "failed to add contact: {}", err);
}
}
Err(err) => {
error!(context, "Chat {} not found: {}", &field_grpid, err);
return Err(HandshakeError::ChatNotFound {
group: field_grpid.to_string(),
});
}
}
} else {
// Alice -> Bob
@@ -638,7 +642,13 @@ pub(crate) fn handle_securejoin_handshake(
let vg_expect_encrypted = if join_vg {
let group_id = get_qr_attr!(context, text2).to_string();
let (_, is_verified_group, _) = chat::get_chat_id_by_grpid(context, group_id);
// This is buggy, is_verified_group will always be
// false since the group is created by receive_imf by
// the very handshake message we're handling now. But
// only after we have returned. It does not impact
// the security invariants of secure-join however.
let (_, is_verified_group, _) = chat::get_chat_id_by_grpid(context, &group_id)
.unwrap_or((0, false, Blocked::Not));
// when joining a non-verified group
// the vg-member-added message may be unencrypted
// when not all group members have keys or prefer encryption.
@@ -716,7 +726,13 @@ pub(crate) fn handle_securejoin_handshake(
.get(HeaderDef::SecureJoinGroup)
.map(|s| s.as_str())
.unwrap_or_else(|| "");
let (group_chat_id, _, _) = chat::get_chat_id_by_grpid(context, &field_grpid);
let (group_chat_id, _, _) = chat::get_chat_id_by_grpid(context, &field_grpid)
.map_err(|err| {
warn!(context, "Failed to lookup chat_id from grpid: {}", err);
HandshakeError::ChatNotFound {
group: field_grpid.to_string(),
}
})?;
context.call_cb(Event::SecurejoinMemberAdded {
chat_id: group_chat_id,
contact_id,