966 lines
26 KiB
JavaScript
966 lines
26 KiB
JavaScript
/* global Whisper: false */
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/* global dcodeIO: false */
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/* global _: false */
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/* global textsecure: false */
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/* global moment: false */
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/* global i18n: false */
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/* eslint-env browser */
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/* eslint-env node */
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/* eslint-disable no-param-reassign, guard-for-in */
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const fs = require('fs');
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const path = require('path');
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const electronRemote = require('electron').remote;
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const {
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dialog,
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BrowserWindow,
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} = electronRemote;
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module.exports = {
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getDirectoryForExport,
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exportToDirectory,
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getDirectoryForImport,
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importFromDirectory,
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// for testing
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sanitizeFileName,
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trimFileName,
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getAttachmentFileName,
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getConversationDirName,
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getConversationLoggingName,
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};
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function stringify(object) {
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// eslint-disable-next-line no-restricted-syntax
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for (const key in object) {
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const val = object[key];
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if (val instanceof ArrayBuffer) {
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object[key] = {
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type: 'ArrayBuffer',
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encoding: 'base64',
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data: dcodeIO.ByteBuffer.wrap(val).toString('base64'),
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};
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} else if (val instanceof Object) {
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object[key] = stringify(val);
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}
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}
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return object;
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}
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function unstringify(object) {
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if (!(object instanceof Object)) {
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throw new Error('unstringify expects an object');
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}
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// eslint-disable-next-line no-restricted-syntax
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for (const key in object) {
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const val = object[key];
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if (val &&
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val.type === 'ArrayBuffer' &&
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val.encoding === 'base64' &&
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typeof val.data === 'string') {
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object[key] = dcodeIO.ByteBuffer.wrap(val.data, 'base64').toArrayBuffer();
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} else if (val instanceof Object) {
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object[key] = unstringify(object[key]);
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}
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}
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return object;
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}
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function createOutputStream(writer) {
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let wait = Promise.resolve();
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return {
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write(string) {
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// eslint-disable-next-line more/no-then
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wait = wait.then(() => new Promise((resolve) => {
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if (writer.write(string)) {
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resolve();
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return;
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}
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// If write() returns true, we don't need to wait for the drain event
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// https://nodejs.org/dist/latest-v7.x/docs/api/stream.html#stream_class_stream_writable
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writer.once('drain', resolve);
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// We don't register for the 'error' event here, only in close(). Otherwise,
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// we'll get "Possible EventEmitter memory leak detected" warnings.
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}));
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return wait;
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},
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async close() {
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await wait;
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return new Promise((resolve, reject) => {
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writer.once('finish', resolve);
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writer.once('error', reject);
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writer.end();
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});
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},
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};
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}
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async function exportNonMessages(db, parent, options) {
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const writer = await createFileAndWriter(parent, 'db.json');
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return exportToJsonFile(db, writer, options);
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}
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function exportToJsonFile(db, fileWriter, options) {
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options = options || {};
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_.defaults(options, { excludeClientConfig: false });
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return new Promise((resolve, reject) => {
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let storeNames = db.objectStoreNames;
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storeNames = _.without(storeNames, 'messages');
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if (options.excludeClientConfig) {
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console.log('exportToJsonFile: excluding client config from export');
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storeNames = _.without(
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storeNames,
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'items',
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'signedPreKeys',
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'preKeys',
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'identityKeys',
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'sessions',
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'unprocessed' // since we won't be able to decrypt them anyway
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);
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}
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const exportedStoreNames = [];
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if (storeNames.length === 0) {
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throw new Error('No stores to export');
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}
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console.log('Exporting from these stores:', storeNames.join(', '));
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const stream = createOutputStream(fileWriter);
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stream.write('{');
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_.each(storeNames, (storeName) => {
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const transaction = db.transaction(storeNames, 'readwrite');
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transaction.onerror = () => {
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Whisper.Database.handleDOMException(
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`exportToJsonFile transaction error (store: ${storeName})`,
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transaction.error,
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reject
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);
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};
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transaction.oncomplete = () => {
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console.log('transaction complete');
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};
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const store = transaction.objectStore(storeName);
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const request = store.openCursor();
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let count = 0;
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request.onerror = () => {
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Whisper.Database.handleDOMException(
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`exportToJsonFile request error (store: ${storeNames})`,
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request.error,
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reject
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);
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};
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request.onsuccess = async (event) => {
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if (count === 0) {
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console.log('cursor opened');
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stream.write(`"${storeName}": [`);
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}
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const cursor = event.target.result;
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if (cursor) {
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if (count > 0) {
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stream.write(',');
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}
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const jsonString = JSON.stringify(stringify(cursor.value));
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stream.write(jsonString);
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cursor.continue();
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count += 1;
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} else {
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// no more
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stream.write(']');
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console.log('Exported', count, 'items from store', storeName);
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exportedStoreNames.push(storeName);
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if (exportedStoreNames.length < storeNames.length) {
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stream.write(',');
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} else {
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console.log('Exported all stores');
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stream.write('}');
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await stream.close();
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console.log('Finished writing all stores to disk');
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resolve();
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}
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}
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};
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});
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});
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}
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async function importNonMessages(db, parent, options) {
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const file = 'db.json';
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const string = await readFileAsText(parent, file);
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return importFromJsonString(db, string, path.join(parent, file), options);
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}
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function eliminateClientConfigInBackup(data, targetPath) {
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const cleaned = _.pick(data, 'conversations', 'groups');
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console.log('Writing configuration-free backup file back to disk');
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try {
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fs.writeFileSync(targetPath, JSON.stringify(cleaned));
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} catch (error) {
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console.log('Error writing cleaned-up backup to disk: ', error.stack);
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}
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}
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function importFromJsonString(db, jsonString, targetPath, options) {
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options = options || {};
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_.defaults(options, {
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forceLightImport: false,
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conversationLookup: {},
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groupLookup: {},
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});
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const {
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conversationLookup,
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groupLookup,
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} = options;
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const result = {
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fullImport: true,
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};
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return new Promise((resolve, reject) => {
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const importObject = JSON.parse(jsonString);
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delete importObject.debug;
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if (!importObject.sessions || options.forceLightImport) {
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result.fullImport = false;
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delete importObject.items;
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delete importObject.signedPreKeys;
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delete importObject.preKeys;
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delete importObject.identityKeys;
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delete importObject.sessions;
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delete importObject.unprocessed;
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console.log('This is a light import; contacts, groups and messages only');
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}
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// We mutate the on-disk backup to prevent the user from importing client
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// configuration more than once - that causes lots of encryption errors.
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// This of course preserves the true data: conversations and groups.
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eliminateClientConfigInBackup(importObject, targetPath);
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const storeNames = _.keys(importObject);
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console.log('Importing to these stores:', storeNames.join(', '));
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let finished = false;
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const finish = (via) => {
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console.log('non-messages import done via', via);
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if (finished) {
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resolve(result);
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}
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finished = true;
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};
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const transaction = db.transaction(storeNames, 'readwrite');
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transaction.onerror = () => {
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Whisper.Database.handleDOMException(
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'importFromJsonString transaction error',
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transaction.error,
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reject
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);
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};
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transaction.oncomplete = finish.bind(null, 'transaction complete');
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_.each(storeNames, (storeName) => {
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console.log('Importing items for store', storeName);
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if (!importObject[storeName].length) {
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delete importObject[storeName];
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return;
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}
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let count = 0;
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let skipCount = 0;
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const finishStore = () => {
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// added all objects for this store
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delete importObject[storeName];
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console.log(
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'Done importing to store',
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storeName,
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'Total count:',
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count,
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'Skipped:',
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skipCount
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);
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if (_.keys(importObject).length === 0) {
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// added all object stores
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console.log('DB import complete');
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finish('puts scheduled');
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}
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};
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_.each(importObject[storeName], (toAdd) => {
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toAdd = unstringify(toAdd);
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const haveConversationAlready =
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storeName === 'conversations' &&
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conversationLookup[getConversationKey(toAdd)];
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const haveGroupAlready =
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storeName === 'groups' && groupLookup[getGroupKey(toAdd)];
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if (haveConversationAlready || haveGroupAlready) {
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skipCount += 1;
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count += 1;
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return;
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}
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const request = transaction.objectStore(storeName).put(toAdd, toAdd.id);
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request.onsuccess = () => {
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count += 1;
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if (count === importObject[storeName].length) {
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finishStore();
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}
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};
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request.onerror = () => {
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Whisper.Database.handleDOMException(
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`importFromJsonString request error (store: ${storeName})`,
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request.error,
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reject
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);
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};
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});
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// We have to check here, because we may have skipped every item, resulting
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// in no onsuccess callback at all.
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if (count === importObject[storeName].length) {
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finishStore();
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}
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});
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});
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}
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function createDirectory(parent, name) {
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return new Promise((resolve, reject) => {
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const sanitized = sanitizeFileName(name);
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const targetDir = path.join(parent, sanitized);
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fs.mkdir(targetDir, (error) => {
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if (error) {
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return reject(error);
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}
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return resolve(targetDir);
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});
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});
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}
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function createFileAndWriter(parent, name) {
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return new Promise((resolve) => {
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const sanitized = sanitizeFileName(name);
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const targetPath = path.join(parent, sanitized);
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const options = {
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flags: 'wx',
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};
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return resolve(fs.createWriteStream(targetPath, options));
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});
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}
|
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function readFileAsText(parent, name) {
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return new Promise((resolve, reject) => {
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const targetPath = path.join(parent, name);
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fs.readFile(targetPath, 'utf8', (error, string) => {
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if (error) {
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return reject(error);
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}
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return resolve(string);
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});
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});
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}
|
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function readFileAsArrayBuffer(parent, name) {
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return new Promise((resolve, reject) => {
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const targetPath = path.join(parent, name);
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// omitting the encoding to get a buffer back
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fs.readFile(targetPath, (error, buffer) => {
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if (error) {
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return reject(error);
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}
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// Buffer instances are also Uint8Array instances
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|
// https://nodejs.org/docs/latest/api/buffer.html#buffer_buffers_and_typedarray
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return resolve(buffer.buffer);
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});
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});
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}
|
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function trimFileName(filename) {
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const components = filename.split('.');
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if (components.length <= 1) {
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return filename.slice(0, 30);
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}
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const extension = components[components.length - 1];
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const name = components.slice(0, components.length - 1);
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if (extension.length > 5) {
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return filename.slice(0, 30);
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}
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return `${name.join('.').slice(0, 24)}.${extension}`;
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}
|
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|
|
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function getAttachmentFileName(attachment) {
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if (attachment.fileName) {
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return trimFileName(attachment.fileName);
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}
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let name = attachment.id;
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|
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if (attachment.contentType) {
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const components = attachment.contentType.split('/');
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name += `.${components.length > 1 ? components[1] : attachment.contentType}`;
|
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}
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return name;
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}
|
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async function readAttachment(parent, message, attachment) {
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const name = getAttachmentFileName(attachment);
|
|
const sanitized = sanitizeFileName(name);
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const attachmentDir = path.join(parent, message.received_at.toString());
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attachment.data = await readFileAsArrayBuffer(attachmentDir, sanitized);
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}
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async function writeAttachment(dir, attachment) {
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const filename = getAttachmentFileName(attachment);
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const writer = await createFileAndWriter(dir, filename);
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const stream = createOutputStream(writer);
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stream.write(Buffer.from(attachment.data));
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return stream.close();
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}
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async function writeAttachments(parentDir, name, messageId, attachments) {
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const dir = await createDirectory(parentDir, messageId);
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const promises = _.map(attachments, attachment => writeAttachment(dir, attachment));
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try {
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await Promise.all(promises);
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} catch (error) {
|
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console.log(
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'writeAttachments: error exporting conversation',
|
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name,
|
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':',
|
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error && error.stack ? error.stack : error
|
|
);
|
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throw error;
|
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}
|
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}
|
|
|
|
function sanitizeFileName(filename) {
|
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return filename.toString().replace(/[^a-z0-9.,+()'#\- ]/gi, '_');
|
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}
|
|
|
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async function exportConversation(db, name, conversation, dir) {
|
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console.log('exporting conversation', name);
|
|
const writer = await createFileAndWriter(dir, 'messages.json');
|
|
return new Promise((resolve, reject) => {
|
|
const transaction = db.transaction('messages', 'readwrite');
|
|
transaction.onerror = () => {
|
|
Whisper.Database.handleDOMException(
|
|
`exportConversation transaction error (conversation: ${name})`,
|
|
transaction.error,
|
|
reject
|
|
);
|
|
};
|
|
transaction.oncomplete = () => {
|
|
// this doesn't really mean anything - we may have attachment processing to do
|
|
};
|
|
|
|
const store = transaction.objectStore('messages');
|
|
const index = store.index('conversation');
|
|
const range = window.IDBKeyRange.bound(
|
|
[conversation.id, 0],
|
|
[conversation.id, Number.MAX_VALUE]
|
|
);
|
|
|
|
let promiseChain = Promise.resolve();
|
|
let count = 0;
|
|
const request = index.openCursor(range);
|
|
|
|
const stream = createOutputStream(writer);
|
|
stream.write('{"messages":[');
|
|
|
|
request.onerror = () => {
|
|
Whisper.Database.handleDOMException(
|
|
`exportConversation request error (conversation: ${name})`,
|
|
request.error,
|
|
reject
|
|
);
|
|
};
|
|
request.onsuccess = async (event) => {
|
|
const cursor = event.target.result;
|
|
if (cursor) {
|
|
const message = cursor.value;
|
|
const messageId = message.received_at;
|
|
const { attachments } = message;
|
|
|
|
// skip message if it is disappearing, no matter the amount of time left
|
|
if (message.expireTimer) {
|
|
cursor.continue();
|
|
return;
|
|
}
|
|
|
|
if (count !== 0) {
|
|
stream.write(',');
|
|
}
|
|
|
|
message.attachments = _.map(
|
|
attachments,
|
|
attachment => _.omit(attachment, ['data'])
|
|
);
|
|
|
|
const jsonString = JSON.stringify(stringify(message));
|
|
stream.write(jsonString);
|
|
|
|
if (attachments && attachments.length) {
|
|
const process = () => writeAttachments(dir, name, messageId, attachments);
|
|
// eslint-disable-next-line more/no-then
|
|
promiseChain = promiseChain.then(process);
|
|
}
|
|
|
|
count += 1;
|
|
cursor.continue();
|
|
} else {
|
|
try {
|
|
await Promise.all([
|
|
stream.write(']}'),
|
|
promiseChain,
|
|
stream.close(),
|
|
]);
|
|
} catch (error) {
|
|
console.log(
|
|
'exportConversation: error exporting conversation',
|
|
name,
|
|
':',
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
reject(error);
|
|
return;
|
|
}
|
|
|
|
console.log('done exporting conversation', name);
|
|
resolve();
|
|
}
|
|
};
|
|
});
|
|
}
|
|
|
|
// Goals for directory names:
|
|
// 1. Human-readable, for easy use and verification by user (names not just ids)
|
|
// 2. Sorted just like the list of conversations in the left-pan (active_at)
|
|
// 3. Disambiguated from other directories (active_at, truncated name, id)
|
|
function getConversationDirName(conversation) {
|
|
const name = conversation.active_at || 'never';
|
|
if (conversation.name) {
|
|
return `${name} (${conversation.name.slice(0, 30)} ${conversation.id})`;
|
|
}
|
|
return `${name} (${conversation.id})`;
|
|
}
|
|
|
|
// Goals for logging names:
|
|
// 1. Can be associated with files on disk
|
|
// 2. Adequately disambiguated to enable debugging flow of execution
|
|
// 3. Can be shared to the web without privacy concerns (there's no global redaction
|
|
// logic for group ids, so we do it manually here)
|
|
function getConversationLoggingName(conversation) {
|
|
let name = conversation.active_at || 'never';
|
|
if (conversation.type === 'private') {
|
|
name += ` (${conversation.id})`;
|
|
} else {
|
|
name += ` ([REDACTED_GROUP]${conversation.id.slice(-3)})`;
|
|
}
|
|
return name;
|
|
}
|
|
|
|
function exportConversations(db, parentDir) {
|
|
return new Promise((resolve, reject) => {
|
|
const transaction = db.transaction('conversations', 'readwrite');
|
|
transaction.onerror = () => {
|
|
Whisper.Database.handleDOMException(
|
|
'exportConversations transaction error',
|
|
transaction.error,
|
|
reject
|
|
);
|
|
};
|
|
transaction.oncomplete = () => {
|
|
// not really very useful - fires at unexpected times
|
|
};
|
|
|
|
let promiseChain = Promise.resolve();
|
|
const store = transaction.objectStore('conversations');
|
|
const request = store.openCursor();
|
|
request.onerror = () => {
|
|
Whisper.Database.handleDOMException(
|
|
'exportConversations request error',
|
|
request.error,
|
|
reject
|
|
);
|
|
};
|
|
request.onsuccess = async (event) => {
|
|
const cursor = event.target.result;
|
|
if (cursor && cursor.value) {
|
|
const conversation = cursor.value;
|
|
const dirName = getConversationDirName(conversation);
|
|
const name = getConversationLoggingName(conversation);
|
|
|
|
const process = async () => {
|
|
const dir = await createDirectory(parentDir, dirName);
|
|
return exportConversation(db, name, conversation, dir);
|
|
};
|
|
|
|
console.log('scheduling export for conversation', name);
|
|
// eslint-disable-next-line more/no-then
|
|
promiseChain = promiseChain.then(process);
|
|
cursor.continue();
|
|
} else {
|
|
console.log('Done scheduling conversation exports');
|
|
try {
|
|
await promiseChain;
|
|
} catch (error) {
|
|
reject(error);
|
|
return;
|
|
}
|
|
resolve();
|
|
}
|
|
};
|
|
});
|
|
}
|
|
|
|
function getDirectory(options) {
|
|
return new Promise((resolve, reject) => {
|
|
const browserWindow = BrowserWindow.getFocusedWindow();
|
|
const dialogOptions = {
|
|
title: options.title,
|
|
properties: ['openDirectory'],
|
|
buttonLabel: options.buttonLabel,
|
|
};
|
|
|
|
dialog.showOpenDialog(browserWindow, dialogOptions, (directory) => {
|
|
if (!directory || !directory[0]) {
|
|
const error = new Error('Error choosing directory');
|
|
error.name = 'ChooseError';
|
|
return reject(error);
|
|
}
|
|
|
|
return resolve(directory[0]);
|
|
});
|
|
});
|
|
}
|
|
|
|
function getDirContents(dir) {
|
|
return new Promise((resolve, reject) => {
|
|
fs.readdir(dir, (err, files) => {
|
|
if (err) {
|
|
reject(err);
|
|
return;
|
|
}
|
|
|
|
files = _.map(files, file => path.join(dir, file));
|
|
|
|
resolve(files);
|
|
});
|
|
});
|
|
}
|
|
|
|
function loadAttachments(dir, message) {
|
|
const promises = _.map(message.attachments, attachment => readAttachment(
|
|
dir,
|
|
message,
|
|
attachment
|
|
));
|
|
return Promise.all(promises);
|
|
}
|
|
|
|
function saveMessage(db, message) {
|
|
return saveAllMessages(db, [message]);
|
|
}
|
|
|
|
function saveAllMessages(db, messages) {
|
|
if (!messages.length) {
|
|
return Promise.resolve();
|
|
}
|
|
|
|
return new Promise((resolve, reject) => {
|
|
let finished = false;
|
|
const finish = (via) => {
|
|
console.log('messages done saving via', via);
|
|
if (finished) {
|
|
resolve();
|
|
}
|
|
finished = true;
|
|
};
|
|
|
|
const transaction = db.transaction('messages', 'readwrite');
|
|
transaction.onerror = () => {
|
|
Whisper.Database.handleDOMException(
|
|
'saveAllMessages transaction error',
|
|
transaction.error,
|
|
reject
|
|
);
|
|
};
|
|
transaction.oncomplete = finish.bind(null, 'transaction complete');
|
|
|
|
const store = transaction.objectStore('messages');
|
|
const { conversationId } = messages[0];
|
|
let count = 0;
|
|
|
|
_.forEach(messages, (message) => {
|
|
const request = store.put(message, message.id);
|
|
request.onsuccess = () => {
|
|
count += 1;
|
|
if (count === messages.length) {
|
|
console.log(
|
|
'Saved',
|
|
messages.length,
|
|
'messages for conversation',
|
|
// Don't know if group or private conversation, so we blindly redact
|
|
`[REDACTED]${conversationId.slice(-3)}`
|
|
);
|
|
finish('puts scheduled');
|
|
}
|
|
};
|
|
request.onerror = () => {
|
|
Whisper.Database.handleDOMException(
|
|
'saveAllMessages request error',
|
|
request.error,
|
|
reject
|
|
);
|
|
};
|
|
});
|
|
});
|
|
}
|
|
|
|
// To reduce the memory impact of attachments, we make individual saves to the
|
|
// database for every message with an attachment. We load the attachment for a
|
|
// message, save it, and only then do we move on to the next message. Thus, every
|
|
// message with attachments needs to be removed from our overall message save with the
|
|
// filter() call.
|
|
async function importConversation(db, dir, options) {
|
|
options = options || {};
|
|
_.defaults(options, { messageLookup: {} });
|
|
|
|
const { messageLookup } = options;
|
|
let conversationId = 'unknown';
|
|
let total = 0;
|
|
let skipped = 0;
|
|
let contents;
|
|
|
|
try {
|
|
contents = await readFileAsText(dir, 'messages.json');
|
|
} catch (error) {
|
|
console.log(`Warning: could not access messages.json in directory: ${dir}`);
|
|
}
|
|
|
|
let promiseChain = Promise.resolve();
|
|
|
|
const json = JSON.parse(contents);
|
|
if (json.messages && json.messages.length) {
|
|
conversationId = `[REDACTED]${(json.messages[0].conversationId || '').slice(-3)}`;
|
|
}
|
|
total = json.messages.length;
|
|
|
|
const messages = _.filter(json.messages, (message) => {
|
|
message = unstringify(message);
|
|
|
|
if (messageLookup[getMessageKey(message)]) {
|
|
skipped += 1;
|
|
return false;
|
|
}
|
|
|
|
if (message.attachments && message.attachments.length) {
|
|
const process = async () => {
|
|
await loadAttachments(dir, message);
|
|
return saveMessage(db, message);
|
|
};
|
|
|
|
// eslint-disable-next-line more/no-then
|
|
promiseChain = promiseChain.then(process);
|
|
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
});
|
|
|
|
if (messages.length > 0) {
|
|
await saveAllMessages(db, messages);
|
|
}
|
|
|
|
await promiseChain;
|
|
console.log(
|
|
'Finished importing conversation',
|
|
conversationId,
|
|
'Total:',
|
|
total,
|
|
'Skipped:',
|
|
skipped
|
|
);
|
|
}
|
|
|
|
async function importConversations(db, dir, options) {
|
|
const contents = await getDirContents(dir);
|
|
|
|
let promiseChain = Promise.resolve();
|
|
|
|
_.forEach(contents, (conversationDir) => {
|
|
if (!fs.statSync(conversationDir).isDirectory()) {
|
|
return;
|
|
}
|
|
|
|
const process = () => importConversation(db, conversationDir, options);
|
|
|
|
// eslint-disable-next-line more/no-then
|
|
promiseChain = promiseChain.then(process);
|
|
});
|
|
|
|
return promiseChain;
|
|
}
|
|
|
|
function getMessageKey(message) {
|
|
const ourNumber = textsecure.storage.user.getNumber();
|
|
const source = message.source || ourNumber;
|
|
if (source === ourNumber) {
|
|
return `${source} ${message.timestamp}`;
|
|
}
|
|
|
|
const sourceDevice = message.sourceDevice || 1;
|
|
return `${source}.${sourceDevice} ${message.timestamp}`;
|
|
}
|
|
function loadMessagesLookup(db) {
|
|
return assembleLookup(db, 'messages', getMessageKey);
|
|
}
|
|
|
|
function getConversationKey(conversation) {
|
|
return conversation.id;
|
|
}
|
|
function loadConversationLookup(db) {
|
|
return assembleLookup(db, 'conversations', getConversationKey);
|
|
}
|
|
|
|
function getGroupKey(group) {
|
|
return group.id;
|
|
}
|
|
function loadGroupsLookup(db) {
|
|
return assembleLookup(db, 'groups', getGroupKey);
|
|
}
|
|
|
|
function assembleLookup(db, storeName, keyFunction) {
|
|
const lookup = Object.create(null);
|
|
|
|
return new Promise((resolve, reject) => {
|
|
const transaction = db.transaction(storeName, 'readwrite');
|
|
transaction.onerror = () => {
|
|
Whisper.Database.handleDOMException(
|
|
`assembleLookup(${storeName}) transaction error`,
|
|
transaction.error,
|
|
reject
|
|
);
|
|
};
|
|
transaction.oncomplete = () => {
|
|
// not really very useful - fires at unexpected times
|
|
};
|
|
|
|
const store = transaction.objectStore(storeName);
|
|
const request = store.openCursor();
|
|
request.onerror = () => {
|
|
Whisper.Database.handleDOMException(
|
|
`assembleLookup(${storeName}) request error`,
|
|
request.error,
|
|
reject
|
|
);
|
|
};
|
|
request.onsuccess = (event) => {
|
|
const cursor = event.target.result;
|
|
if (cursor && cursor.value) {
|
|
lookup[keyFunction(cursor.value)] = true;
|
|
cursor.continue();
|
|
} else {
|
|
console.log(`Done creating ${storeName} lookup`);
|
|
resolve(lookup);
|
|
}
|
|
};
|
|
});
|
|
}
|
|
|
|
function getTimestamp() {
|
|
return moment().format('YYYY MMM Do [at] h.mm.ss a');
|
|
}
|
|
|
|
function getDirectoryForExport() {
|
|
const options = {
|
|
title: i18n('exportChooserTitle'),
|
|
buttonLabel: i18n('exportButton'),
|
|
};
|
|
return getDirectory(options);
|
|
}
|
|
|
|
async function exportToDirectory(directory, options) {
|
|
const name = `Signal Export ${getTimestamp()}`;
|
|
try {
|
|
const db = await Whisper.Database.open();
|
|
const dir = await createDirectory(directory, name);
|
|
await exportNonMessages(db, dir, options);
|
|
await exportConversations(db, dir);
|
|
|
|
console.log('done backing up!');
|
|
return dir;
|
|
} catch (error) {
|
|
console.log(
|
|
'the backup went wrong:',
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
function getDirectoryForImport() {
|
|
const options = {
|
|
title: i18n('importChooserTitle'),
|
|
buttonLabel: i18n('importButton'),
|
|
};
|
|
return getDirectory(options);
|
|
}
|
|
|
|
async function importFromDirectory(directory, options) {
|
|
options = options || {};
|
|
|
|
try {
|
|
const db = await Whisper.Database.open();
|
|
const lookups = await Promise.all([
|
|
loadMessagesLookup(db),
|
|
loadConversationLookup(db),
|
|
loadGroupsLookup(db),
|
|
]);
|
|
const [messageLookup, conversationLookup, groupLookup] = lookups;
|
|
options = Object.assign({}, options, {
|
|
messageLookup,
|
|
conversationLookup,
|
|
groupLookup,
|
|
});
|
|
|
|
const result = await importNonMessages(db, directory, options);
|
|
await importConversations(db, directory, options);
|
|
console.log('done restoring from backup!');
|
|
return result;
|
|
} catch (error) {
|
|
console.log(
|
|
'the import went wrong:',
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
throw error;
|
|
}
|
|
}
|