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Refine sealed sender logic

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This commit is contained in:
Scott Nonnenberg
2018-10-31 16:58:14 -07:00
parent f11dd18536
commit e2e0e4c96b
3 changed files with 156 additions and 98 deletions
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16
libtextsecure/outgoing_message.js
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@@ -66,7 +66,7 @@ OutgoingMessage.prototype = {
this.errors[this.errors.length] = error;
this.numberCompleted();
},
reloadDevicesAndSend(number, recurse, failover) {
reloadDevicesAndSend(number, recurse) {
return () =>
textsecure.storage.protocol.getDeviceIds(number).then(deviceIds => {
if (deviceIds.length === 0) {
@@ -76,7 +76,7 @@ OutgoingMessage.prototype = {
null
);
}
return this.doSendMessage(number, deviceIds, recurse, failover);
return this.doSendMessage(number, deviceIds, recurse);
});
},
@@ -245,7 +245,7 @@ OutgoingMessage.prototype = {
return this.plaintext;
},
doSendMessage(number, deviceIds, recurse, failover) {
doSendMessage(number, deviceIds, recurse) {
const ciphers = {};
const plaintext = this.getPlaintext();
@@ -261,8 +261,7 @@ OutgoingMessage.prototype = {
);
}
// If failover is true, we don't send an unidentified sender message
const sealedSender = Boolean(!failover && accessKey && senderCertificate);
const sealedSender = Boolean(accessKey && senderCertificate);
// We don't send to ourselves if unless sealedSender is enabled
const ourNumber = textsecure.storage.user.getNumber();
@@ -288,7 +287,6 @@ OutgoingMessage.prototype = {
options.messageKeysLimit = false;
}
// If failover is true, we don't send an unidentified sender message
if (sealedSender) {
const secretSessionCipher = new window.Signal.Metadata.SecretSessionCipher(
textsecure.storage.protocol
@@ -397,9 +395,9 @@ OutgoingMessage.prototype = {
? error.response.staleDevices
: error.response.missingDevices;
return this.getKeysForNumber(number, resetDevices).then(
// For now, we we won't retry unidentified delivery if we get here; new
// devices could have been added which don't support it.
this.reloadDevicesAndSend(number, error.code === 409, true)
// We continue to retry as long as the error code was 409; the assumption is
// that we'll request new device info and the next request will succeed.
this.reloadDevicesAndSend(number, error.code === 409)
);
});
} else if (error.message === 'Identity key changed') {