mirrors/signal-desktop
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages 2 Wiki Activity Actions

Check END_SESSION messages in processDecrypted

Browse source
This commit is contained in:
Matt Corallo 2015-02-25 17:42:47 -08:00 • committed by lilia
parent 29192edcb8
commit 5abf3073d5
3 changed files with 31 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

14
libtextsecure/helpers.js
View file

@ -161,9 +161,21 @@ textsecure.processDecrypted = function(decrypted, source) {
if (decrypted.flags == null)
decrypted.flags = 0;
if (decrypted.sync !== null && textsecure.utils.unencodeNumber(textsecure.storage.getUnencrypted("number_id"))[0] != source)
throw new Error("Got sync context on a message not from a peer device");
if ((decrypted.flags & textsecure.protobuf.PushMessageContent.Flags.END_SESSION)
== textsecure.protobuf.PushMessageContent.Flags.END_SESSION)
== textsecure.protobuf.PushMessageContent.Flags.END_SESSION) {
decrypted.body = null;
decrypted.attachments = [];
decrypted.group = null;
if (decrypted.sync !== null) {
// We didn't actually close the session - see axolotl_wrapper
// so just throw an error since this message makes no sense
throw new Error("Got a sync END_SESSION message");
}
return Promise.resolve(decrypted);
}
if (decrypted.flags != 0) {
throw new Error("Unknown flags in message");
}