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Dropped storage keys should not cause upload

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Fedor Indutny 2022-02-14 11:36:32 -08:00 • committed by GitHub
parent 67209d8881
commit a0b05f41e3
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6 changed files with 127 additions and 83 deletions
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119
ts/services/storage.ts
View file

@ -41,6 +41,11 @@ import { SignalService as Proto } from '../protobuf';
import * as log from '../logging/log';
import { singleProtoJobQueue } from '../jobs/singleProtoJobQueue';
import * as Errors from '../types/errors';
import type {
ExtendedStorageID,
RemoteRecord,
UnknownRecord,
} from '../types/StorageService.d';
type IManifestRecordIdentifier = Proto.ManifestRecord.IIdentifier;
@ -80,23 +85,10 @@ function redactStorageID(
return `${version ?? '?'}:${storageID.substring(0, 3)}${convoId}`;
}
type RemoteRecord = {
itemType: number;
storageID: string;
storageVersion?: number;
};
type UnknownRecord = RemoteRecord;
type ProcessRemoteRecordsResultType = Readonly<{
conflictCount: number;
deleteKeys: Array<string>;
}>;
function unknownRecordToRedactedID({
function redactExtendedStorageID({
storageID,
storageVersion,
}: UnknownRecord): string {
}: ExtendedStorageID): string {
return redactStorageID(storageID, storageVersion);
}
@ -148,12 +140,11 @@ type GeneratedManifestType = {
async function generateManifest(
version: number,
previousManifest?: Proto.IManifestRecord,
isNewManifest = false,
extraDeleteKeys = new Array<string>()
isNewManifest = false
): Promise<GeneratedManifestType> {
log.info(
`storageService.upload(${version}): generating manifest ` +
`new=${isNewManifest} extraDeleteKeys=${extraDeleteKeys.length}`
`new=${isNewManifest}`
);
await window.ConversationController.checkForConflicts();
@ -166,10 +157,6 @@ async function generateManifest(
const manifestRecordKeys: Set<IManifestRecordIdentifier> = new Set();
const newItems: Set<Proto.IStorageItem> = new Set();
for (const key of extraDeleteKeys) {
deleteKeys.push(Bytes.fromBase64(key));
}
const conversations = window.getConversations();
for (let i = 0; i < conversations.length; i += 1) {
const conversation = conversations.models[i];
@ -300,7 +287,7 @@ async function generateManifest(
window.storage.get('storage-service-unknown-records') || []
).filter((record: UnknownRecord) => !validRecordTypes.has(record.itemType));
const redactedUnknowns = unknownRecordsArray.map(unknownRecordToRedactedID);
const redactedUnknowns = unknownRecordsArray.map(redactExtendedStorageID);
log.info(
`storageService.upload(${version}): adding unknown ` +
@ -322,7 +309,7 @@ async function generateManifest(
'storage-service-error-records',
new Array<UnknownRecord>()
);
const redactedErrors = recordsWithErrors.map(unknownRecordToRedactedID);
const redactedErrors = recordsWithErrors.map(redactExtendedStorageID);
log.info(
`storageService.upload(${version}): adding error ` +
@ -339,6 +326,24 @@ async function generateManifest(
manifestRecordKeys.add(identifier);
});
// Delete keys that we wanted to drop during the processing of the manifest.
const storedPendingDeletes = window.storage.get(
'storage-service-pending-deletes',
[]
);
const redactedPendingDeletes = storedPendingDeletes.map(
redactExtendedStorageID
);
log.info(
`storageService.upload(${version}): ` +
`deleting extra keys=${JSON.stringify(redactedPendingDeletes)} ` +
`count=${redactedPendingDeletes.length}`
);
for (const { storageID } of storedPendingDeletes) {
deleteKeys.push(Bytes.fromBase64(storageID));
}
// Validate before writing
const rawDuplicates = new Set();
@ -827,7 +832,7 @@ async function mergeRecord(
async function processManifest(
manifest: Proto.IManifestRecord,
version: number
): Promise<ProcessRemoteRecordsResultType> {
): Promise<number> {
if (!window.textsecure.messaging) {
throw new Error('storageService.processManifest: We are offline!');
}
@ -907,12 +912,8 @@ async function processManifest(
});
let conflictCount = 0;
let deleteKeys = new Array<string>();
if (remoteOnlyRecords.size) {
({ conflictCount, deleteKeys } = await processRemoteRecords(
version,
remoteOnlyRecords
));
conflictCount = await processRemoteRecords(version, remoteOnlyRecords);
}
// Post-merge, if our local records contain any storage IDs that were not
@ -940,17 +941,16 @@ async function processManifest(
});
log.info(
`storageService.process(${version}): conflictCount=${conflictCount} ` +
`deleteKeys=${deleteKeys.length}`
`storageService.process(${version}): conflictCount=${conflictCount}`
);
return { conflictCount, deleteKeys };
return conflictCount;
}
async function processRemoteRecords(
storageVersion: number,
remoteOnlyRecords: Map<string, RemoteRecord>
): Promise<ProcessRemoteRecordsResultType> {
): Promise<number> {
const storageKeyBase64 = window.storage.get('storageKey');
if (!storageKeyBase64) {
throw new Error('No storage key');
@ -1102,7 +1102,7 @@ async function processRemoteRecords(
});
}
if (mergedRecord.hasConflict || mergedRecord.shouldDrop) {
if (mergedRecord.hasConflict) {
conflictCount += 1;
}
@ -1116,7 +1116,7 @@ async function processRemoteRecords(
);
log.info(
`storageService.process(${storageVersion}): ` +
`droppedKeys=${JSON.stringify(redactedDroppedKeys)} ` +
`dropped keys=${JSON.stringify(redactedDroppedKeys)} ` +
`count=${redactedDroppedKeys.length}`
);
@ -1124,9 +1124,7 @@ async function processRemoteRecords(
const newUnknownRecords = Array.from(unknownRecords.values()).filter(
(record: UnknownRecord) => !validRecordTypes.has(record.itemType)
);
const redactedNewUnknowns = newUnknownRecords.map(
unknownRecordToRedactedID
);
const redactedNewUnknowns = newUnknownRecords.map(redactExtendedStorageID);
log.info(
`storageService.process(${storageVersion}): ` +
@ -1139,7 +1137,7 @@ async function processRemoteRecords(
);
const redactedErrorRecords = newRecordsWithErrors.map(
unknownRecordToRedactedID
redactExtendedStorageID
);
log.info(
`storageService.process(${storageVersion}): ` +
@ -1154,14 +1152,25 @@ async function processRemoteRecords(
newRecordsWithErrors
);
// Store/overwrite keys pending deletion, but use them only when we have to
// upload a new manifest to avoid oscillation.
const pendingDeletes = [...missingKeys, ...droppedKeys].map(storageID => ({
storageID,
storageVersion,
}));
const redactedPendingDeletes = pendingDeletes.map(redactExtendedStorageID);
log.info(
`storageService.process(${storageVersion}): ` +
`pending deletes=${JSON.stringify(redactedPendingDeletes)} ` +
`count=${redactedPendingDeletes.length}`
);
await window.storage.put('storage-service-pending-deletes', pendingDeletes);
if (conflictCount === 0) {
conflictBackOff.reset();
}
return {
conflictCount,
deleteKeys: [...missingKeys, ...droppedKeys],
};
return conflictCount;
} catch (err) {
log.error(
`storageService.process(${storageVersion}): ` +
@ -1170,7 +1179,8 @@ async function processRemoteRecords(
);
}
return { conflictCount: 0, deleteKeys: [] };
// conflictCount
return 0;
}
async function sync(
@ -1218,21 +1228,18 @@ async function sync(
`version=${localManifestVersion}`
);
const { conflictCount, deleteKeys } = await processManifest(
manifest,
version
);
const conflictCount = await processManifest(manifest, version);
log.info(
`storageService.sync: updated to version=${version} ` +
`conflicts=${conflictCount} deleteKeys=${deleteKeys.length}`
`conflicts=${conflictCount}`
);
await window.storage.put('manifestVersion', version);
const hasConflicts = conflictCount !== 0 || deleteKeys.length !== 0;
const hasConflicts = conflictCount !== 0;
if (hasConflicts && !ignoreConflicts) {
await upload(true, deleteKeys);
await upload(true);
}
// We now know that we've successfully completed a storage service fetch
@ -1249,10 +1256,7 @@ async function sync(
return manifest;
}
async function upload(
fromSync = false,
extraDeleteKeys = new Array<string>()
): Promise<void> {
async function upload(fromSync = false): Promise<void> {
if (!window.textsecure.messaging) {
throw new Error('storageService.upload: We are offline!');
}
@ -1322,8 +1326,7 @@ async function upload(
const generatedManifest = await generateManifest(
version,
previousManifest,
false,
extraDeleteKeys
false
);
await uploadManifest(version, generatedManifest);
} catch (err) {

8
ts/services/storageRecordOps.ts
View file

@ -558,7 +558,9 @@ export async function mergeGroupV1Record(
details.push('GV1 record for GV2 group, dropping');
return {
hasConflict: true,
// Note: conflicts cause immediate uploads, but we should upload
// only in response to user's action.
hasConflict: false,
shouldDrop: true,
conversation,
oldStorageID,
@ -771,11 +773,11 @@ export async function mergeContactRecord(
// All contacts must have UUID
if (!uuid) {
return { hasConflict: false, details: ['no uuid'] };
return { hasConflict: false, shouldDrop: true, details: ['no uuid'] };
}
if (!isValidUuid(uuid)) {
return { hasConflict: false, details: ['invalid uuid'] };
return { hasConflict: false, shouldDrop: true, details: ['invalid uuid'] };
}
const id = window.ConversationController.ensureContactIds({

31
ts/test-both/util/normalizeUuid_test.ts
View file

@ -3,19 +3,36 @@
import { assert } from 'chai';
import { v4 as generateUuid } from 'uuid';
import * as sinon from 'sinon';
import type { LoggerType } from '../../types/Logging';
import { normalizeUuid } from '../../util/normalizeUuid';
describe('normalizeUuid', () => {
it('converts uuid to lower case', () => {
const uuid = generateUuid();
assert.strictEqual(normalizeUuid(uuid, 'context 1'), uuid);
assert.strictEqual(normalizeUuid(uuid.toUpperCase(), 'context 2'), uuid);
let warn: sinon.SinonStub;
let logger: Pick<LoggerType, 'warn'>;
beforeEach(() => {
warn = sinon.stub();
logger = { warn };
});
it("throws if passed a string that's not a UUID", () => {
assert.throws(
() => normalizeUuid('not-UUID-at-all', 'context 3'),
it('converts uuid to lower case', () => {
const uuid = generateUuid();
assert.strictEqual(normalizeUuid(uuid, 'context 1', logger), uuid);
assert.strictEqual(
normalizeUuid(uuid.toUpperCase(), 'context 2', logger),
uuid
);
sinon.assert.notCalled(warn);
});
it("warns if passed a string that's not a UUID", () => {
normalizeUuid('not-UUID-at-all', 'context 3', logger);
sinon.assert.calledOnce(warn);
sinon.assert.calledWith(
warn,
'Normalizing invalid uuid: not-UUID-at-all to not-uuid-at-all in ' +
'context "context 3"'
);

18
ts/types/Storage.d.ts vendored
View file

@ -11,7 +11,12 @@ import type { PhoneNumberDiscoverability } from '../util/phoneNumberDiscoverabil
import type { PhoneNumberSharingMode } from '../util/phoneNumberSharingMode';
import type { RetryItemType } from '../util/retryPlaceholders';
import type { ConfigMapType as RemoteConfigType } from '../RemoteConfig';
import { SystemTraySetting } from './SystemTraySetting';
import type { SystemTraySetting } from './SystemTraySetting';
import type {
ExtendedStorageID,
RemoteRecord,
UnknownRecord,
} from './StorageService';
import type { GroupCredentialType } from '../textsecure/WebAPI';
import type {
@ -105,14 +110,9 @@ export type StorageAccessType = {
avatarUrl: string;
manifestVersion: number;
storageCredentials: StorageServiceCredentials;
'storage-service-error-records': Array<{
itemType: number;
storageID: string;
}>;
'storage-service-unknown-records': Array<{
itemType: number;
storageID: string;
}>;
'storage-service-error-records': Array<UnknownRecord>;
'storage-service-unknown-records': Array<UnknownRecord>;
'storage-service-pending-deletes': Array<ExtendedStorageID>;
'preferred-video-input-device': string;
'preferred-audio-input-device': AudioDevice;
'preferred-audio-output-device': AudioDevice;

13
ts/types/StorageService.d.ts vendored Normal file
View file

@ -0,0 +1,13 @@
// Copyright 2020-2022 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
export type ExtendedStorageID = {
storageID: string;
storageVersion?: number;
};
export type RemoteRecord = ExtendedStorageID & {
itemType: number;
};
export type UnknownRecord = RemoteRecord;

21
ts/util/normalizeUuid.ts
View file

@ -3,15 +3,24 @@
import type { UUIDStringType } from '../types/UUID';
import { isValidUuid } from '../types/UUID';
import { assert } from './assert';
import type { LoggerType } from '../types/Logging';
import * as log from '../logging/log';
export function normalizeUuid(uuid: string, context: string): UUIDStringType {
export function normalizeUuid(
uuid: string,
context: string,
logger: Pick<LoggerType, 'warn'> = log
): UUIDStringType {
const result = uuid.toLowerCase();
assert(
isValidUuid(uuid) && isValidUuid(result),
`Normalizing invalid uuid: ${uuid} to ${result} in context "${context}"`
);
if (!isValidUuid(uuid) || !isValidUuid(result)) {
logger.warn(
`Normalizing invalid uuid: ${uuid} to ${result} in context "${context}"`
);
// Cast anyway we don't want to throw here
return result as unknown as UUIDStringType;
}
return result;
}