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Analytics | Report expected UTDs as HistoricalMessage error

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This commit is contained in:
Valere
2024-04-04 13:01:19 +02:00
parent c6761c8b43
commit 047be10692
6 changed files with 477 additions and 21 deletions
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18
Riot/Modules/Analytics/DecryptionFailureTracker.swift
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@@ -62,14 +62,14 @@ class DecryptionFailureTracker: NSObject {
selector: #selector(eventDidDecrypt(_:)),
name: .mxEventDidDecrypt,
object: nil)
}
@objc
func reportUnableToDecryptError(forEvent event: MXEvent, withRoomState roomState: MXRoomState, myUser userId: String) {
func reportUnableToDecryptError(forEvent event: MXEvent, withRoomState roomState: MXRoomState, mySession: MXSession) {
if reportedFailures[event.eventId] != nil || trackedEvents.contains(event.eventId) {
return
}
guard let userId = mySession.myUserId else { return }
// Filter out "expected" UTDs
// We cannot decrypt messages sent before the user joined the room
@@ -82,6 +82,12 @@ class DecryptionFailureTracker: NSObject {
guard let error = event.decryptionError as? NSError else { return }
let eventOrigin = event.originServerTs
let deviceTimestamp = mySession.crypto.deviceCreationTs
// If negative it's an historical event relative to the current session
let eventRelativeAgeMillis = Int(eventOrigin) - Int(deviceTimestamp)
let isSessionVerified = mySession.crypto.crossSigning.canTrustCrossSigning
var reason = DecryptionFailureReason.unspecified
if error.code == MXDecryptingErrorUnknownInboundSessionIdCode.rawValue {
@@ -92,7 +98,13 @@ class DecryptionFailureTracker: NSObject {
let context = String(format: "code: %ld, description: %@", error.code, event.decryptionError.localizedDescription)
reportedFailures[failedEventId] = DecryptionFailure(failedEventId: failedEventId, reason: reason, context: context, ts: self.timeProvider.nowTs())
let failure = DecryptionFailure(failedEventId: failedEventId, reason: reason, context: context, ts: self.timeProvider.nowTs())
failure.eventLocalAgeMillis = Int(exactly: eventRelativeAgeMillis)
failure.trustOwnIdentityAtTimeOfFailure = isSessionVerified
reportedFailures[failedEventId] = failure
// Start the ticker if needed. There is no need to have a ticker if no failures are tracked
if checkFailuresTimer == nil {