mirror of https://github.com/keeweb/keeweb.git
509 lines
16 KiB
JavaScript
509 lines
16 KiB
JavaScript
'use strict';
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var Backbone = require('backbone'),
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GroupCollection = require('../collections/group-collection'),
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GroupModel = require('./group-model'),
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IconUrl = require('../util/icon-url'),
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Logger = require('../util/logger'),
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kdbxweb = require('kdbxweb'),
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demoFileData = require('base64!../../resources/Demo.kdbx');
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var logger = new Logger('file');
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var 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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},
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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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var credentials = new kdbxweb.Credentials(password, keyFileData);
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var ts = logger.ts();
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kdbxweb.Kdbx.load(fileData, credentials, (db, err) => {
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if (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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} else {
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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('Opened file ' + this.get('name') + ': ' + logger.ts(ts) + ', ' +
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db.header.keyEncryptionRounds + ' rounds, ' + Math.round(fileData.byteLength / 1024) + ' kB');
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callback();
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}
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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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create: function(name) {
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var password = kdbxweb.ProtectedValue.fromString('');
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var 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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var ts = logger.ts();
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var password = kdbxweb.ProtectedValue.fromString('');
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var credentials = new kdbxweb.Credentials(password);
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kdbxweb.Kdbx.loadXml(fileXml, credentials, (db, err) => {
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if (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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} else {
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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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});
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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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var password = kdbxweb.ProtectedValue.fromString('demo');
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var credentials = new kdbxweb.Credentials(password);
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var demoFile = kdbxweb.ByteUtils.arrayToBuffer(kdbxweb.ByteUtils.base64ToBytes(demoFileData));
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kdbxweb.Kdbx.load(demoFile, credentials, 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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var groups = new GroupCollection();
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this.set({
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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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}, { silent: true });
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this.db.groups.forEach(function(group) {
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var 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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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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var entryMap = {};
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var groupMap = {};
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this.forEachGroup(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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}, true);
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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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let 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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var credentials;
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if (remoteKey) {
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credentials = new kdbxweb.Credentials(kdbxweb.ProtectedValue.fromString(''));
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if (remoteKey.password) {
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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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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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} else {
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credentials = this.db.credentials;
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}
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kdbxweb.Kdbx.load(fileData, credentials, (remoteDb, err) => {
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if (err) {
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logger.error('Error opening file to merge', err.code, err.message, err);
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} else {
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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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}
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callback(err);
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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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var 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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});
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}
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}
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},
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forEachGroup: function(callback, includeDisabled) {
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this.get('groups').forEach(group => {
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if (callback(group) !== false) {
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group.forEachGroup(callback, includeDisabled);
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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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setModified: function() {
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if (!this.get('demo')) {
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this.set({ modified: true, dirty: true });
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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.save((data, err) => {
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if (err) {
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logger.error('Error saving file', this.get('name'), err);
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}
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cb(data, err);
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});
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},
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getXml: function(cb) {
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this.db.saveXml(cb);
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},
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getKeyFileHash: function() {
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var 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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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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var modified = this.get('modified') && !!error;
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var 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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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({}, 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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var keyFile = kdbxweb.Credentials.createRandomKeyFile();
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var 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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var 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: '', keyFileChanged: changed });
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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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var 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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var 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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var 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').first().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) {
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this.db.createRecycleBin();
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}
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this.set('setRecycleBinEnabled', enabled);
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this.setModified();
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},
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setHistoryMaxItems: function(count) {
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this.db.meta.historyMaxItems = count;
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this.set('historyMaxItems', count);
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this.setModified();
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},
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setHistoryMaxSize: function(size) {
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this.db.meta.historyMaxSize = size;
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this.set('historyMaxSize', size);
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this.setModified();
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},
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setKeyEncryptionRounds: function(rounds) {
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this.db.header.keyEncryptionRounds = rounds;
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this.set('keyEncryptionRounds', rounds);
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this.setModified();
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},
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emptyTrash: function() {
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var trashGroup = this.getTrashGroup();
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if (trashGroup) {
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var modified = false;
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trashGroup.getOwnSubGroups().slice().forEach(function(group) {
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this.db.move(group, null);
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modified = true;
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}, this);
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trashGroup.group.entries.forEach(function(entry) {
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this.db.move(entry, null);
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modified = true;
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}, this);
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trashGroup.get('entries').reset();
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if (modified) {
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this.setModified();
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}
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}
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},
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getCustomIcons: function() {
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return _.mapObject(this.db.meta.customIcons, customIcon => IconUrl.toDataUrl(customIcon));
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},
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addCustomIcon: function(iconData) {
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var uuid = kdbxweb.KdbxUuid.random();
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this.db.meta.customIcons[uuid] = kdbxweb.ByteUtils.arrayToBuffer(kdbxweb.ByteUtils.base64ToBytes(iconData));
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return uuid.toString();
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},
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renameTag: function(from, to) {
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this.forEachEntry({}, entry => entry.renameTag(from, to));
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}
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});
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FileModel.createKeyFileWithHash = function(hash) {
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return kdbxweb.Credentials.createKeyFileWithHash(hash);
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};
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module.exports = FileModel;
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