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Add 'chat session refreshed' to timeline for every error

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Scott Nonnenberg 2021-02-19 12:46:48 -08:00 committed by Josh Perez
parent 733c86ee8e
commit 1ee47735d9
1 changed files with 46 additions and 36 deletions
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82
ts/textsecure/MessageReceiver.ts
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@ -1106,7 +1106,7 @@ class MessageReceiverInner extends EventTarget {
}
if (uuid && deviceId) {
await this.lightSessionReset(uuid, deviceId);
await this.maybeLightSessionReset(uuid, deviceId);
} else {
const envelopeId = this.getEnvelopeId(envelope);
window.log.error(
@ -1145,7 +1145,7 @@ class MessageReceiverInner extends EventTarget {
window.storage.put('sessionResets', sessionResets);
}
async lightSessionReset(uuid: string, deviceId: number) {
async maybeLightSessionReset(uuid: string, deviceId: number): Promise<void> {
const id = `${uuid}.${deviceId}`;
try {
@ -1155,48 +1155,27 @@ class MessageReceiverInner extends EventTarget {
) as SessionResetsType;
const lastReset = sessionResets[id];
// We emit this event every time we encounter an error, not just when we reset the
// session. This is because a message might have been lost with every decryption
// failure.
const event = new Event('light-session-reset');
event.senderUuid = uuid;
this.dispatchAndWait(event);
if (lastReset && !this.isOverHourIntoPast(lastReset)) {
window.log.warn(
`lightSessionReset: Skipping session reset for ${id}, last reset at ${lastReset}`
`maybeLightSessionReset/${id}: Skipping session reset, last reset at ${lastReset}`
);
return;
}
sessionResets[id] = Date.now();
window.storage.put('sessionResets', sessionResets);
// First, fetch this conversation
const conversationId = window.ConversationController.ensureContactIds({
uuid,
});
assert(conversationId, 'lightSessionReset: missing conversationId');
const conversation = window.ConversationController.get(conversationId);
assert(conversation, 'lightSessionReset: missing conversation');
window.log.warn(`lightSessionReset: Resetting session for ${id}`);
// Archive open session with this device
const address = new window.libsignal.SignalProtocolAddress(
uuid,
deviceId
);
const sessionCipher = new window.libsignal.SessionCipher(
window.textsecure.storage.protocol,
address
);
await sessionCipher.closeOpenSessionForDevice();
// Send a null message with newly-created session
const sendOptions = conversation.getSendOptions();
await window.textsecure.messaging.sendNullMessage({ uuid }, sendOptions);
// Emit event for app to put item into conversation timeline
const event = new Event('light-session-reset');
event.senderUuid = uuid;
await this.dispatchAndWait(event);
await this.lightSessionReset(uuid, deviceId);
} catch (error) {
// If we failed to do the session reset, then we'll allow another attempt
// If we failed to do the session reset, then we'll allow another attempt sooner
// than one hour from now.
const sessionResets = window.storage.get(
'sessionResets',
{}
@ -1205,10 +1184,41 @@ class MessageReceiverInner extends EventTarget {
window.storage.put('sessionResets', sessionResets);
const errorString = error && error.stack ? error.stack : error;
window.log.error('lightSessionReset: Enountered error', errorString);
window.log.error(
`maybeLightSessionReset/${id}: Enountered error`,
errorString
);
}
}
async lightSessionReset(uuid: string, deviceId: number): Promise<void> {
const id = `${uuid}.${deviceId}`;
// First, fetch this conversation
const conversationId = window.ConversationController.ensureContactIds({
uuid,
});
assert(conversationId, `lightSessionReset/${id}: missing conversationId`);
const conversation = window.ConversationController.get(conversationId);
assert(conversation, `lightSessionReset/${id}: missing conversation`);
window.log.warn(`lightSessionReset/${id}: Resetting session`);
// Archive open session with this device
const address = new window.libsignal.SignalProtocolAddress(uuid, deviceId);
const sessionCipher = new window.libsignal.SessionCipher(
window.textsecure.storage.protocol,
address
);
await sessionCipher.closeOpenSessionForDevice();
// Send a null message with newly-created session
const sendOptions = conversation.getSendOptions();
await window.textsecure.messaging.sendNullMessage({ uuid }, sendOptions);
}
async decryptPreKeyWhisperMessage(
ciphertext: ArrayBuffer,
sessionCipher: SessionCipherClass,