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Fix SSK group leaving race condition

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This commit is contained in:
nielsandriesse 2020-10-06 13:47:46 +11:00
parent cd177ee61e
commit a34b1f74b3
1 changed files with 12 additions and 8 deletions
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12
src/org/thoughtcrime/securesms/loki/protocol/ClosedGroupsProtocol.kt
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@ -130,12 +130,18 @@ object ClosedGroupsProtocol {
Log.d("Loki", "Can't remove self and others simultaneously.")
return
}
// Send the update to the group (don't include new ratchets as everyone should regenerate new ratchets individually)
// Establish sessions if needed
establishSessionsWithMembersIfNeeded(context, members)
// Send the update to the existing members using established channels (don't include new ratchets as everyone should regenerate new ratchets individually)
for (member in oldMembers) {
@Suppress("NAME_SHADOWING")
val closedGroupUpdateKind = ClosedGroupUpdateMessageSendJob.Kind.Info(Hex.fromStringCondensed(groupPublicKey),
name, setOf(), membersAsData, adminsAsData)
val job = ClosedGroupUpdateMessageSendJob(groupPublicKey, closedGroupUpdateKind)
@Suppress("NAME_SHADOWING")
val job = ClosedGroupUpdateMessageSendJob(member, closedGroupUpdateKind)
job.setContext(context)
job.onRun() // Run the job immediately
}
// Delete all ratchets (it's important that this happens * after * sending out the update)
sskDatabase.removeAllClosedGroupRatchets(groupPublicKey)
// Remove the group from the user's set of public keys to poll for if the user is leaving. Otherwise generate a new ratchet and
@ -147,8 +153,6 @@ object ClosedGroupsProtocol {
// Notify the PN server
LokiPushNotificationManager.performOperation(context, ClosedGroupOperation.Unsubscribe, groupPublicKey, userPublicKey)
} else {
// Establish sessions if needed
establishSessionsWithMembersIfNeeded(context, members)
// Send closed group update messages to any new members using established channels
for (member in newMembers) {
@Suppress("NAME_SHADOWING")