mirror of https://github.com/keeweb/keeweb.git
635 lines
21 KiB
JavaScript
635 lines
21 KiB
JavaScript
const Backbone = require('backbone');
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const GroupCollection = require('../collections/group-collection');
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const GroupModel = require('./group-model');
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const IconUrl = require('../util/icon-url');
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const Logger = require('../util/logger');
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const kdbxweb = require('kdbxweb');
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const demoFileData = require('base64-loader!../../resources/Demo.kdbx');
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const logger = new Logger('file');
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const FileModel = Backbone.Model.extend({
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defaults: {
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id: '',
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uuid: '',
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name: '',
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keyFileName: '',
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passwordLength: 0,
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path: '',
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opts: null,
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storage: null,
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modified: false,
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dirty: false,
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open: false,
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created: false,
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demo: false,
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groups: null,
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oldPasswordLength: 0,
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oldKeyFileName: '',
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passwordChanged: false,
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keyFileChanged: false,
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keyChangeForce: -1,
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syncing: false,
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syncError: null,
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syncDate: null,
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backup: null
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},
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db: null,
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entryMap: null,
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groupMap: null,
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initialize: function() {
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this.entryMap = {};
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this.groupMap = {};
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},
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open: function(password, fileData, keyFileData, callback) {
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try {
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const credentials = new kdbxweb.Credentials(password, keyFileData);
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const ts = logger.ts();
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kdbxweb.Kdbx.load(fileData, credentials)
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.then(db => {
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this.db = db;
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this.readModel();
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this.setOpenFile({ passwordLength: password ? password.textLength : 0 });
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if (keyFileData) {
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kdbxweb.ByteUtils.zeroBuffer(keyFileData);
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}
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logger.info(
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'Opened file ' +
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this.get('name') +
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': ' +
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logger.ts(ts) +
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', ' +
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this.kdfArgsToString(db.header) +
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', ' +
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Math.round(fileData.byteLength / 1024) +
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' kB'
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);
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callback();
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})
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.catch(err => {
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if (err.code === kdbxweb.Consts.ErrorCodes.InvalidKey && password && !password.byteLength) {
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logger.info('Error opening file with empty password, try to open with null password');
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return this.open(null, fileData, keyFileData, callback);
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}
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logger.error('Error opening file', err.code, err.message, err);
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callback(err);
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});
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} catch (e) {
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logger.error('Error opening file', e, e.code, e.message, e);
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callback(e);
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}
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},
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kdfArgsToString: function(header) {
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if (header.kdfParameters) {
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return header.kdfParameters
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.keys()
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.map(key => {
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const val = header.kdfParameters.get(key);
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if (val instanceof ArrayBuffer) {
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return;
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}
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return key + '=' + val;
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})
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.filter(p => p)
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.join('&');
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} else if (header.keyEncryptionRounds) {
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return header.keyEncryptionRounds + ' rounds';
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} else {
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return '?';
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}
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},
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create: function(name) {
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const password = kdbxweb.ProtectedValue.fromString('');
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const credentials = new kdbxweb.Credentials(password);
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this.db = kdbxweb.Kdbx.create(credentials, name);
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this.set('name', name);
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this.readModel();
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this.set({ open: true, created: true, name: name });
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},
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importWithXml: function(fileXml, callback) {
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try {
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const ts = logger.ts();
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const password = kdbxweb.ProtectedValue.fromString('');
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const credentials = new kdbxweb.Credentials(password);
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kdbxweb.Kdbx.loadXml(fileXml, credentials)
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.then(db => {
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this.db = db;
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this.readModel();
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this.set({ open: true, created: true });
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logger.info('Imported file ' + this.get('name') + ': ' + logger.ts(ts));
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callback();
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})
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.catch(err => {
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logger.error('Error importing file', err.code, err.message, err);
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callback(err);
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});
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} catch (e) {
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logger.error('Error importing file', e, e.code, e.message, e);
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callback(e);
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}
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},
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openDemo: function(callback) {
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const password = kdbxweb.ProtectedValue.fromString('demo');
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const credentials = new kdbxweb.Credentials(password);
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const demoFile = kdbxweb.ByteUtils.arrayToBuffer(kdbxweb.ByteUtils.base64ToBytes(demoFileData));
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kdbxweb.Kdbx.load(demoFile, credentials).then(db => {
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this.db = db;
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this.set('name', 'Demo');
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this.readModel();
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this.setOpenFile({ passwordLength: 4, demo: true });
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callback();
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});
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},
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setOpenFile: function(props) {
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_.extend(props, {
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open: true,
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oldKeyFileName: this.get('keyFileName'),
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oldPasswordLength: props.passwordLength,
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passwordChanged: false,
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keyFileChanged: false
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});
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this.set(props);
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this._oldPasswordHash = this.db.credentials.passwordHash;
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this._oldKeyFileHash = this.db.credentials.keyFileHash;
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this._oldKeyChangeDate = this.db.meta.keyChanged;
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},
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readModel: function() {
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const groups = new GroupCollection();
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this.set(
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{
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uuid: this.db.getDefaultGroup().uuid.toString(),
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groups: groups,
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defaultUser: this.db.meta.defaultUser,
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recycleBinEnabled: this.db.meta.recycleBinEnabled,
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historyMaxItems: this.db.meta.historyMaxItems,
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historyMaxSize: this.db.meta.historyMaxSize,
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keyEncryptionRounds: this.db.header.keyEncryptionRounds,
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keyChangeForce: this.db.meta.keyChangeForce,
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kdfParameters: this.readKdfParams()
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},
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{ silent: true }
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);
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this.db.groups.forEach(function(group) {
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let groupModel = this.getGroup(this.subId(group.uuid.id));
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if (groupModel) {
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groupModel.setGroup(group, this);
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} else {
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groupModel = GroupModel.fromGroup(group, this);
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}
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groups.add(groupModel);
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}, this);
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this.buildObjectMap();
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this.resolveFieldReferences();
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},
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readKdfParams: function() {
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const kdfParameters = this.db.header.kdfParameters;
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if (!kdfParameters) {
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return undefined;
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}
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let uuid = kdfParameters.get('$UUID');
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if (!uuid) {
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return undefined;
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}
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uuid = kdbxweb.ByteUtils.bytesToBase64(uuid);
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if (uuid !== kdbxweb.Consts.KdfId.Argon2) {
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return undefined;
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}
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return {
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parallelism: kdfParameters.get('P').valueOf(),
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iterations: kdfParameters.get('I').valueOf(),
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memory: kdfParameters.get('M').valueOf()
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};
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},
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subId: function(id) {
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return this.id + ':' + id;
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},
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buildObjectMap: function() {
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const entryMap = {};
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const groupMap = {};
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this.forEachGroup(
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group => {
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groupMap[group.id] = group;
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group.forEachOwnEntry(null, entry => {
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entryMap[entry.id] = entry;
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});
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},
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{ includeDisabled: true }
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);
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this.entryMap = entryMap;
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this.groupMap = groupMap;
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},
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resolveFieldReferences: function() {
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const entryMap = this.entryMap;
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Object.keys(entryMap).forEach(e => {
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entryMap[e].resolveFieldReferences();
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});
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},
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reload: function() {
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this.buildObjectMap();
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this.readModel();
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this.trigger('reload', this);
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},
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mergeOrUpdate: function(fileData, remoteKey, callback) {
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let credentials;
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let credentialsPromise = Promise.resolve();
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if (remoteKey) {
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credentials = new kdbxweb.Credentials(kdbxweb.ProtectedValue.fromString(''));
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credentialsPromise = credentials.ready.then(() => {
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const promises = [];
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if (remoteKey.password) {
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promises.push(credentials.setPassword(remoteKey.password));
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} else {
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credentials.passwordHash = this.db.credentials.passwordHash;
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}
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if (remoteKey.keyFileName) {
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if (remoteKey.keyFileData) {
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promises.push(credentials.setKeyFile(remoteKey.keyFileData));
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} else {
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credentials.keyFileHash = this.db.credentials.keyFileHash;
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}
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}
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return Promise.all(promises);
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});
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} else {
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credentials = this.db.credentials;
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}
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credentialsPromise.then(() => {
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kdbxweb.Kdbx.load(fileData, credentials)
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.then(remoteDb => {
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if (this.get('modified')) {
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try {
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if (remoteKey && remoteDb.meta.keyChanged > this.db.meta.keyChanged) {
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this.db.credentials = remoteDb.credentials;
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this.set('keyFileName', remoteKey.keyFileName || '');
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if (remoteKey.password) {
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this.set('passwordLength', remoteKey.password.textLength);
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}
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}
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this.db.merge(remoteDb);
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} catch (e) {
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logger.error('File merge error', e);
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return callback(e);
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}
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} else {
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this.db = remoteDb;
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}
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this.set('dirty', true);
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this.reload();
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callback();
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})
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.catch(err => {
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logger.error('Error opening file to merge', err.code, err.message, err);
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callback(err);
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});
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});
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},
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getLocalEditState: function() {
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return this.db.getLocalEditState();
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},
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setLocalEditState: function(editState) {
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this.db.setLocalEditState(editState);
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},
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close: function() {
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this.set({
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keyFileName: '',
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passwordLength: 0,
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modified: false,
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dirty: false,
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open: false,
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created: false,
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groups: null,
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passwordChanged: false,
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keyFileChanged: false,
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syncing: false
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});
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},
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getEntry: function(id) {
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return this.entryMap[id];
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},
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getGroup: function(id) {
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return this.groupMap[id];
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},
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forEachEntry: function(filter, callback) {
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let top = this;
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if (filter.trash) {
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top = this.getGroup(this.db.meta.recycleBinUuid ? this.subId(this.db.meta.recycleBinUuid.id) : null);
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} else if (filter.group) {
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top = this.getGroup(filter.group);
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}
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if (top) {
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if (top.forEachOwnEntry) {
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top.forEachOwnEntry(filter, callback);
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}
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if (!filter.group || filter.subGroups) {
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top.forEachGroup(group => {
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group.forEachOwnEntry(filter, callback);
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}, filter);
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}
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}
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},
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forEachGroup: function(callback, filter) {
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this.get('groups').forEach(group => {
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if (callback(group) !== false) {
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group.forEachGroup(callback, filter);
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}
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});
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},
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getTrashGroup: function() {
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return this.db.meta.recycleBinEnabled ? this.getGroup(this.subId(this.db.meta.recycleBinUuid.id)) : null;
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},
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getEntryTemplatesGroup: function() {
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return this.db.meta.entryTemplatesGroup ? this.getGroup(this.subId(this.db.meta.entryTemplatesGroup.id)) : null;
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},
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createEntryTemplatesGroup: function() {
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const rootGroup = this.get('groups').first();
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const templatesGroup = GroupModel.newGroup(rootGroup, this);
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templatesGroup.setName('Templates');
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this.db.meta.entryTemplatesGroup = templatesGroup.group.uuid;
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this.reload();
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return templatesGroup;
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},
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setModified: function() {
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if (!this.get('demo')) {
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this.set({ modified: true, dirty: true });
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Backbone.trigger('file-modified');
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}
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},
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getData: function(cb) {
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this.db.cleanup({
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historyRules: true,
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customIcons: true,
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binaries: true
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});
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this.db.cleanup({ binaries: true });
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this.db
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.save()
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.then(data => {
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cb(data);
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})
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.catch(err => {
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logger.error('Error saving file', this.get('name'), err);
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cb(undefined, err);
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});
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},
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getXml: function(cb) {
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this.db.saveXml().then(xml => {
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cb(xml);
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});
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},
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getKeyFileHash: function() {
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const hash = this.db.credentials.keyFileHash;
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return hash ? kdbxweb.ByteUtils.bytesToBase64(hash.getBinary()) : null;
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},
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forEachEntryTemplate: function(callback) {
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if (!this.db.meta.entryTemplatesGroup) {
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return;
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}
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const group = this.getGroup(this.subId(this.db.meta.entryTemplatesGroup.id));
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if (!group) {
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return;
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}
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group.forEachOwnEntry({}, callback);
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},
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setSyncProgress: function() {
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this.set({ syncing: true });
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},
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setSyncComplete: function(path, storage, error, savedToCache) {
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if (!error) {
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this.db.removeLocalEditState();
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}
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const modified = this.get('modified') && !!error;
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const dirty = this.get('dirty') && !savedToCache;
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this.set({
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created: false,
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path: path || this.get('path'),
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storage: storage || this.get('storage'),
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modified: modified,
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dirty: dirty,
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syncing: false,
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syncError: error
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});
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const shouldResetFingerprint = this.get('passwordChanged') && this.has('fingerprint');
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if (shouldResetFingerprint && !error) {
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this.set({ fingerprint: null });
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}
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if (!this.get('open')) {
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return;
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}
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this.setOpenFile({ passwordLength: this.get('passwordLength') });
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this.forEachEntry({ includeDisabled: true }, entry => entry.setSaved());
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},
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setPassword: function(password) {
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this.db.credentials.setPassword(password);
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this.db.meta.keyChanged = new Date();
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this.set({ passwordLength: password.textLength, passwordChanged: true });
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this.setModified();
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},
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resetPassword: function() {
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this.db.credentials.passwordHash = this._oldPasswordHash;
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if (this.db.credentials.keyFileHash === this._oldKeyFileHash) {
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this.db.meta.keyChanged = this._oldKeyChangeDate;
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}
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this.set({ passwordLength: this.get('oldPasswordLength'), passwordChanged: false });
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},
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setKeyFile: function(keyFile, keyFileName) {
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this.db.credentials.setKeyFile(keyFile);
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this.db.meta.keyChanged = new Date();
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this.set({ keyFileName: keyFileName, keyFileChanged: true });
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this.setModified();
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},
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generateAndSetKeyFile: function() {
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const keyFile = kdbxweb.Credentials.createRandomKeyFile();
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const keyFileName = 'Generated';
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this.setKeyFile(keyFile, keyFileName);
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return keyFile;
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},
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resetKeyFile: function() {
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this.db.credentials.keyFileHash = this._oldKeyFileHash;
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if (this.db.credentials.passwordHash === this._oldPasswordHash) {
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this.db.meta.keyChanged = this._oldKeyChangeDate;
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}
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this.set({ keyFileName: this.get('oldKeyFileName'), keyFileChanged: false });
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},
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removeKeyFile: function() {
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this.db.credentials.keyFileHash = null;
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const changed = !!this._oldKeyFileHash;
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if (!changed && this.db.credentials.passwordHash === this._oldPasswordHash) {
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this.db.meta.keyChanged = this._oldKeyChangeDate;
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}
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this.set({ keyFileName: '', keyFilePath: '', keyFileChanged: changed });
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Backbone.trigger('unset-keyfile', this.id);
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this.setModified();
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},
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isKeyChangePending: function(force) {
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if (!this.db.meta.keyChanged) {
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return false;
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}
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const expiryDays = force ? this.db.meta.keyChangeForce : this.db.meta.keyChangeRec;
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if (!expiryDays || expiryDays < 0 || isNaN(expiryDays)) {
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return false;
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}
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const daysDiff = (Date.now() - this.db.meta.keyChanged) / 1000 / 3600 / 24;
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return daysDiff > expiryDays;
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},
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setKeyChange: function(force, days) {
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if (isNaN(days) || !days || days < 0) {
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days = -1;
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}
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const prop = force ? 'keyChangeForce' : 'keyChangeRec';
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this.db.meta[prop] = days;
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this.set(prop, days);
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this.setModified();
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},
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setName: function(name) {
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this.db.meta.name = name;
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this.db.meta.nameChanged = new Date();
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this.set('name', name);
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this.get('groups')
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.first()
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.setName(name);
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this.setModified();
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this.reload();
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},
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setDefaultUser: function(defaultUser) {
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this.db.meta.defaultUser = defaultUser;
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this.db.meta.defaultUserChanged = new Date();
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this.set('defaultUser', defaultUser);
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this.setModified();
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},
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setRecycleBinEnabled: function(enabled) {
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enabled = !!enabled;
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this.db.meta.recycleBinEnabled = enabled;
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if (enabled) {
|
|
this.db.createRecycleBin();
|
|
}
|
|
this.set('setRecycleBinEnabled', enabled);
|
|
this.setModified();
|
|
},
|
|
|
|
setHistoryMaxItems: function(count) {
|
|
this.db.meta.historyMaxItems = count;
|
|
this.set('historyMaxItems', count);
|
|
this.setModified();
|
|
},
|
|
|
|
setHistoryMaxSize: function(size) {
|
|
this.db.meta.historyMaxSize = size;
|
|
this.set('historyMaxSize', size);
|
|
this.setModified();
|
|
},
|
|
|
|
setKeyEncryptionRounds: function(rounds) {
|
|
this.db.header.keyEncryptionRounds = rounds;
|
|
this.set('keyEncryptionRounds', rounds);
|
|
this.setModified();
|
|
},
|
|
|
|
setKdfParameter: function(field, value) {
|
|
const ValueType = kdbxweb.VarDictionary.ValueType;
|
|
switch (field) {
|
|
case 'memory':
|
|
this.db.header.kdfParameters.set('M', ValueType.UInt64, kdbxweb.Int64.from(value));
|
|
break;
|
|
case 'iterations':
|
|
this.db.header.kdfParameters.set('I', ValueType.UInt64, kdbxweb.Int64.from(value));
|
|
break;
|
|
case 'parallelism':
|
|
this.db.header.kdfParameters.set('P', ValueType.UInt32, value);
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
this.set('kdfParameters', this.readKdfParams());
|
|
this.setModified();
|
|
},
|
|
|
|
emptyTrash: function() {
|
|
const trashGroup = this.getTrashGroup();
|
|
if (trashGroup) {
|
|
let modified = false;
|
|
trashGroup
|
|
.getOwnSubGroups()
|
|
.slice()
|
|
.forEach(function(group) {
|
|
this.db.move(group, null);
|
|
modified = true;
|
|
}, this);
|
|
trashGroup.group.entries.slice().forEach(function(entry) {
|
|
this.db.move(entry, null);
|
|
modified = true;
|
|
}, this);
|
|
trashGroup.get('items').reset();
|
|
trashGroup.get('entries').reset();
|
|
if (modified) {
|
|
this.setModified();
|
|
}
|
|
}
|
|
},
|
|
|
|
getCustomIcons: function() {
|
|
return _.mapObject(this.db.meta.customIcons, customIcon => IconUrl.toDataUrl(customIcon));
|
|
},
|
|
|
|
addCustomIcon: function(iconData) {
|
|
const uuid = kdbxweb.KdbxUuid.random();
|
|
this.db.meta.customIcons[uuid] = kdbxweb.ByteUtils.arrayToBuffer(kdbxweb.ByteUtils.base64ToBytes(iconData));
|
|
return uuid.toString();
|
|
},
|
|
|
|
renameTag: function(from, to) {
|
|
this.forEachEntry({}, entry => entry.renameTag(from, to));
|
|
}
|
|
});
|
|
|
|
FileModel.createKeyFileWithHash = function(hash) {
|
|
return kdbxweb.Credentials.createKeyFileWithHash(hash);
|
|
};
|
|
|
|
module.exports = FileModel;
|