451 lines
10 KiB
TypeScript
451 lines
10 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
import type { Database } from 'better-sqlite3';
|
|
|
|
import type { LoggerType } from '../../types/Logging';
|
|
import { isValidUuid } from '../../types/UUID';
|
|
import { assertSync } from '../../util/assert';
|
|
import Helpers from '../../textsecure/Helpers';
|
|
import { createOrUpdate, getById, removeById } from '../util';
|
|
import type { EmptyQuery, Query } from '../util';
|
|
import type { ItemKeyType } from '../Interface';
|
|
|
|
export function getOurUuid(db: Database): string | undefined {
|
|
const UUID_ID: ItemKeyType = 'uuid_id';
|
|
|
|
const row: { json: string } | undefined = db
|
|
.prepare<Query>('SELECT json FROM items WHERE id = $id;')
|
|
.get({ id: UUID_ID });
|
|
|
|
if (!row) {
|
|
return undefined;
|
|
}
|
|
|
|
const { value } = JSON.parse(row.json);
|
|
|
|
const [ourUuid] = Helpers.unencodeNumber(String(value).toLowerCase());
|
|
return ourUuid;
|
|
}
|
|
|
|
export default function updateToSchemaVersion41(
|
|
currentVersion: number,
|
|
db: Database,
|
|
logger: LoggerType
|
|
): void {
|
|
if (currentVersion >= 41) {
|
|
return;
|
|
}
|
|
|
|
const getConversationUuid = db
|
|
.prepare<Query>(
|
|
`
|
|
SELECT uuid
|
|
FROM
|
|
conversations
|
|
WHERE
|
|
id = $conversationId
|
|
`
|
|
)
|
|
.pluck();
|
|
|
|
const getConversationStats = db.prepare<Query>(
|
|
`
|
|
SELECT uuid, e164, active_at
|
|
FROM
|
|
conversations
|
|
WHERE
|
|
id = $conversationId
|
|
`
|
|
);
|
|
|
|
const compareConvoRecency = (a: string, b: string): number => {
|
|
const aStats = getConversationStats.get({ conversationId: a });
|
|
const bStats = getConversationStats.get({ conversationId: b });
|
|
|
|
const isAComplete = Boolean(aStats?.uuid && aStats?.e164);
|
|
const isBComplete = Boolean(bStats?.uuid && bStats?.e164);
|
|
|
|
if (!isAComplete && !isBComplete) {
|
|
return 0;
|
|
}
|
|
if (!isAComplete) {
|
|
return -1;
|
|
}
|
|
if (!isBComplete) {
|
|
return 1;
|
|
}
|
|
|
|
return aStats.active_at - bStats.active_at;
|
|
};
|
|
|
|
const clearSessionsAndKeys = (): number => {
|
|
// ts/background.ts will ask user to relink so all that matters here is
|
|
// to maintain an invariant:
|
|
//
|
|
// After this migration all sessions and keys are prefixed by
|
|
// "uuid:".
|
|
const keyCount = [
|
|
db.prepare('DELETE FROM senderKeys').run().changes,
|
|
db.prepare('DELETE FROM sessions').run().changes,
|
|
db.prepare('DELETE FROM signedPreKeys').run().changes,
|
|
db.prepare('DELETE FROM preKeys').run().changes,
|
|
].reduce((a: number, b: number): number => a + b);
|
|
|
|
assertSync(removeById<string>(db, 'items', 'identityKey'));
|
|
assertSync(removeById<string>(db, 'items', 'registrationId'));
|
|
|
|
return keyCount;
|
|
};
|
|
|
|
const moveIdentityKeyToMap = (ourUuid: string) => {
|
|
type IdentityKeyType = {
|
|
privKey: string;
|
|
publicKey: string;
|
|
};
|
|
|
|
const identityKey = assertSync(
|
|
getById<string, { value: IdentityKeyType }>(db, 'items', 'identityKey')
|
|
);
|
|
|
|
type RegistrationId = number;
|
|
|
|
const registrationId = assertSync(
|
|
getById<string, { value: RegistrationId }>(db, 'items', 'registrationId')
|
|
);
|
|
|
|
if (identityKey) {
|
|
assertSync(
|
|
createOrUpdate<ItemKeyType>(db, 'items', {
|
|
id: 'identityKeyMap',
|
|
value: {
|
|
[ourUuid]: identityKey.value,
|
|
},
|
|
})
|
|
);
|
|
}
|
|
|
|
if (registrationId) {
|
|
assertSync(
|
|
createOrUpdate<ItemKeyType>(db, 'items', {
|
|
id: 'registrationIdMap',
|
|
value: {
|
|
[ourUuid]: registrationId.value,
|
|
},
|
|
})
|
|
);
|
|
}
|
|
|
|
db.exec(
|
|
`
|
|
DELETE FROM items WHERE id = "identityKey" OR id = "registrationId";
|
|
`
|
|
);
|
|
};
|
|
|
|
const prefixKeys = (ourUuid: string) => {
|
|
for (const table of ['signedPreKeys', 'preKeys']) {
|
|
// Update id to include suffix, add `ourUuid` and `keyId` fields.
|
|
db.prepare<Query>(
|
|
`
|
|
UPDATE ${table}
|
|
SET
|
|
id = $ourUuid || ':' || id,
|
|
json = json_set(
|
|
json,
|
|
'$.id',
|
|
$ourUuid || ':' || json_extract(json, '$.id'),
|
|
'$.keyId',
|
|
json_extract(json, '$.id'),
|
|
'$.ourUuid',
|
|
$ourUuid
|
|
)
|
|
`
|
|
).run({ ourUuid });
|
|
}
|
|
};
|
|
|
|
const updateSenderKeys = (ourUuid: string) => {
|
|
const senderKeys: ReadonlyArray<{
|
|
id: string;
|
|
senderId: string;
|
|
lastUpdatedDate: number;
|
|
}> = db
|
|
.prepare<EmptyQuery>(
|
|
'SELECT id, senderId, lastUpdatedDate FROM senderKeys'
|
|
)
|
|
.all();
|
|
|
|
logger.info(`Updating ${senderKeys.length} sender keys`);
|
|
|
|
const updateSenderKey = db.prepare<Query>(
|
|
`
|
|
UPDATE senderKeys
|
|
SET
|
|
id = $newId,
|
|
senderId = $newSenderId
|
|
WHERE
|
|
id = $id
|
|
`
|
|
);
|
|
|
|
const deleteSenderKey = db.prepare<Query>(
|
|
'DELETE FROM senderKeys WHERE id = $id'
|
|
);
|
|
|
|
const pastKeys = new Map<
|
|
string,
|
|
{
|
|
conversationId: string;
|
|
lastUpdatedDate: number;
|
|
}
|
|
>();
|
|
|
|
let updated = 0;
|
|
let deleted = 0;
|
|
let skipped = 0;
|
|
for (const { id, senderId, lastUpdatedDate } of senderKeys) {
|
|
const [conversationId] = Helpers.unencodeNumber(senderId);
|
|
const uuid = getConversationUuid.get({ conversationId });
|
|
|
|
if (!uuid) {
|
|
deleted += 1;
|
|
deleteSenderKey.run({ id });
|
|
continue;
|
|
}
|
|
|
|
const newId = `${ourUuid}:${id.replace(conversationId, uuid)}`;
|
|
|
|
const existing = pastKeys.get(newId);
|
|
|
|
// We are going to delete on of the keys anyway
|
|
if (existing) {
|
|
skipped += 1;
|
|
} else {
|
|
updated += 1;
|
|
}
|
|
|
|
const isOlder =
|
|
existing &&
|
|
(lastUpdatedDate < existing.lastUpdatedDate ||
|
|
compareConvoRecency(conversationId, existing.conversationId) < 0);
|
|
if (isOlder) {
|
|
deleteSenderKey.run({ id });
|
|
continue;
|
|
} else if (existing) {
|
|
deleteSenderKey.run({ id: newId });
|
|
}
|
|
|
|
pastKeys.set(newId, { conversationId, lastUpdatedDate });
|
|
|
|
updateSenderKey.run({
|
|
id,
|
|
newId,
|
|
newSenderId: `${senderId.replace(conversationId, uuid)}`,
|
|
});
|
|
}
|
|
|
|
logger.info(
|
|
`Updated ${senderKeys.length} sender keys: ` +
|
|
`updated: ${updated}, deleted: ${deleted}, skipped: ${skipped}`
|
|
);
|
|
};
|
|
|
|
const updateSessions = (ourUuid: string) => {
|
|
// Use uuid instead of conversation id in existing sesions and prefix id
|
|
// with ourUuid.
|
|
//
|
|
// Set ourUuid column and field in json
|
|
const allSessions = db
|
|
.prepare<EmptyQuery>('SELECT id, conversationId FROM SESSIONS')
|
|
.all();
|
|
|
|
logger.info(`Updating ${allSessions.length} sessions`);
|
|
|
|
const updateSession = db.prepare<Query>(
|
|
`
|
|
UPDATE sessions
|
|
SET
|
|
id = $newId,
|
|
ourUuid = $ourUuid,
|
|
uuid = $uuid,
|
|
json = json_set(
|
|
sessions.json,
|
|
'$.id',
|
|
$newId,
|
|
'$.uuid',
|
|
$uuid,
|
|
'$.ourUuid',
|
|
$ourUuid
|
|
)
|
|
WHERE
|
|
id = $id
|
|
`
|
|
);
|
|
|
|
const deleteSession = db.prepare<Query>(
|
|
'DELETE FROM sessions WHERE id = $id'
|
|
);
|
|
|
|
const pastSessions = new Map<
|
|
string,
|
|
{
|
|
conversationId: string;
|
|
}
|
|
>();
|
|
|
|
let updated = 0;
|
|
let deleted = 0;
|
|
let skipped = 0;
|
|
for (const { id, conversationId } of allSessions) {
|
|
const uuid = getConversationUuid.get({ conversationId });
|
|
if (!uuid) {
|
|
deleted += 1;
|
|
deleteSession.run({ id });
|
|
continue;
|
|
}
|
|
|
|
const newId = `${ourUuid}:${id.replace(conversationId, uuid)}`;
|
|
|
|
const existing = pastSessions.get(newId);
|
|
|
|
// We are going to delete on of the keys anyway
|
|
if (existing) {
|
|
skipped += 1;
|
|
} else {
|
|
updated += 1;
|
|
}
|
|
|
|
const isOlder =
|
|
existing &&
|
|
compareConvoRecency(conversationId, existing.conversationId) < 0;
|
|
if (isOlder) {
|
|
deleteSession.run({ id });
|
|
continue;
|
|
} else if (existing) {
|
|
deleteSession.run({ id: newId });
|
|
}
|
|
|
|
pastSessions.set(newId, { conversationId });
|
|
|
|
updateSession.run({
|
|
id,
|
|
newId,
|
|
uuid,
|
|
ourUuid,
|
|
});
|
|
}
|
|
|
|
logger.info(
|
|
`Updated ${allSessions.length} sessions: ` +
|
|
`updated: ${updated}, deleted: ${deleted}, skipped: ${skipped}`
|
|
);
|
|
};
|
|
|
|
const updateIdentityKeys = () => {
|
|
const identityKeys: ReadonlyArray<{
|
|
id: string;
|
|
}> = db.prepare<EmptyQuery>('SELECT id FROM identityKeys').all();
|
|
|
|
logger.info(`Updating ${identityKeys.length} identity keys`);
|
|
|
|
const updateIdentityKey = db.prepare<Query>(
|
|
`
|
|
UPDATE identityKeys
|
|
SET
|
|
id = $newId,
|
|
json = json_set(
|
|
identityKeys.json,
|
|
'$.id',
|
|
$newId
|
|
)
|
|
WHERE
|
|
id = $id
|
|
`
|
|
);
|
|
|
|
let migrated = 0;
|
|
for (const { id } of identityKeys) {
|
|
const uuid = getConversationUuid.get({ conversationId: id });
|
|
|
|
let newId: string;
|
|
if (uuid) {
|
|
migrated += 1;
|
|
newId = uuid;
|
|
} else {
|
|
newId = `conversation:${id}`;
|
|
}
|
|
|
|
updateIdentityKey.run({ id, newId });
|
|
}
|
|
|
|
logger.info(`Migrated ${migrated} identity keys`);
|
|
};
|
|
|
|
db.transaction(() => {
|
|
db.exec(
|
|
`
|
|
-- Change type of 'id' column from INTEGER to STRING
|
|
|
|
ALTER TABLE preKeys
|
|
RENAME TO old_preKeys;
|
|
|
|
ALTER TABLE signedPreKeys
|
|
RENAME TO old_signedPreKeys;
|
|
|
|
CREATE TABLE preKeys(
|
|
id STRING PRIMARY KEY ASC,
|
|
json TEXT
|
|
);
|
|
CREATE TABLE signedPreKeys(
|
|
id STRING PRIMARY KEY ASC,
|
|
json TEXT
|
|
);
|
|
|
|
-- sqlite handles the type conversion
|
|
INSERT INTO preKeys SELECT * FROM old_preKeys;
|
|
INSERT INTO signedPreKeys SELECT * FROM old_signedPreKeys;
|
|
|
|
DROP TABLE old_preKeys;
|
|
DROP TABLE old_signedPreKeys;
|
|
|
|
-- Alter sessions
|
|
|
|
ALTER TABLE sessions
|
|
ADD COLUMN ourUuid STRING;
|
|
|
|
ALTER TABLE sessions
|
|
ADD COLUMN uuid STRING;
|
|
`
|
|
);
|
|
|
|
const ourUuid = getOurUuid(db);
|
|
|
|
if (!isValidUuid(ourUuid)) {
|
|
const deleteCount = clearSessionsAndKeys();
|
|
|
|
if (deleteCount > 0) {
|
|
logger.error(
|
|
'updateToSchemaVersion41: no uuid is available, ' +
|
|
`erased ${deleteCount} sessions/keys`
|
|
);
|
|
}
|
|
|
|
db.pragma('user_version = 41');
|
|
return;
|
|
}
|
|
|
|
prefixKeys(ourUuid);
|
|
|
|
updateSenderKeys(ourUuid);
|
|
|
|
updateSessions(ourUuid);
|
|
|
|
moveIdentityKeyToMap(ourUuid);
|
|
|
|
updateIdentityKeys();
|
|
|
|
db.pragma('user_version = 41');
|
|
})();
|
|
logger.info('updateToSchemaVersion41: success!');
|
|
}
|