mirror of https://github.com/keeweb/keeweb.git
211 lines
7.5 KiB
JavaScript
211 lines
7.5 KiB
JavaScript
'use strict';
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var Backbone = require('backbone'),
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Logger = require('../util/logger'),
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AppSettingsModel = require('../models/app-settings-model'),
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RuntimeDataModel = require('../models/runtime-data-model'),
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Links = require('../const/links');
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var MaxRequestRetries = 3;
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var StorageBase = function() {
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};
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_.extend(StorageBase.prototype, {
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name: null,
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icon: null,
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iconSvg: null,
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enabled: false,
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system: false,
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uipos: null,
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logger: null,
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appSettings: AppSettingsModel.instance,
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runtimeData: RuntimeDataModel.instance,
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init: function() {
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if (!this.name) {
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throw 'Failed to init provider: no name';
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}
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if (!this.system) {
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var enabled = this.appSettings.get(this.name);
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if (typeof enabled === 'boolean') {
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this.enabled = enabled;
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}
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}
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this.logger = new Logger('storage-' + this.name);
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return this;
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},
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setEnabled: function(enabled) {
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this.enabled = enabled;
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},
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_xhr: function(config) {
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var xhr = new XMLHttpRequest();
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if (config.responseType) {
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xhr.responseType = config.responseType;
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}
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var statuses = config.statuses || [200];
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var that = this;
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xhr.addEventListener('load', function() {
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if (statuses.indexOf(xhr.status) >= 0) {
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return config.success && config.success(xhr.response, xhr);
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}
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if (xhr.status === 401 && that._oauthToken) {
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that._oauthRefreshToken(function(err) {
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if (err) {
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return config.error && config.error('unauthorized', xhr);
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} else {
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config.tryNum = (config.tryNum || 0) + 1;
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if (config.tryNum >= MaxRequestRetries) {
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that.logger.info('Too many authorize attempts, fail request', config.url);
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return config.error && config.error('unauthorized', xhr);
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}
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that.logger.info('Repeat request, try #' + config.tryNum, config.url);
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that._xhr(config);
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}
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});
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} else {
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return config.error && config.error('http status ' + xhr.status, xhr);
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}
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});
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xhr.addEventListener('error', function() {
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return config.error && config.error('network error', xhr);
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});
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xhr.addEventListener('timeout', function() {
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return config.error && config.error('timeout', xhr);
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});
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xhr.open(config.method || 'GET', config.url);
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if (this._oauthToken) {
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xhr.setRequestHeader('Authorization',
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this._oauthToken.tokenType + ' ' + this._oauthToken.accessToken);
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}
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_.forEach(config.headers, function(value, key) {
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xhr.setRequestHeader(key, value);
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});
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xhr.send(config.data);
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},
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_openPopup: function(url, title, width, height) {
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var dualScreenLeft = window.screenLeft !== undefined ? window.screenLeft : screen.left;
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var dualScreenTop = window.screenTop !== undefined ? window.screenTop : screen.top;
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var winWidth = window.innerWidth ? window.innerWidth : document.documentElement.clientWidth ? document.documentElement.clientWidth : screen.width;
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var winHeight = window.innerHeight ? window.innerHeight : document.documentElement.clientHeight ? document.documentElement.clientHeight : screen.height;
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var left = ((winWidth / 2) - (width / 2)) + dualScreenLeft;
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var top = ((winHeight / 2) - (height / 2)) + dualScreenTop;
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var settings = {
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width: width,
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height: height,
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left: left,
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top: top,
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dialog: 'yes',
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dependent: 'yes',
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scrollbars: 'yes',
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location: 'yes'
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};
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settings = Object.keys(settings).map(function(key) { return key + '=' + settings[key]; }).join(',');
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var win = window.open(url, title, settings);
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if (win && win.focus) {
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win.focus();
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}
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return win;
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},
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_getOauthRedirectUrl: function() {
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var redirectUrl = window.location.href;
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if (redirectUrl.lastIndexOf('file:', 0) === 0) {
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redirectUrl = Links.WebApp;
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}
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return redirectUrl;
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},
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_oauthAuthorize: function(callback) {
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var that = this;
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if (that._oauthToken && !that._oauthToken.expired) {
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return callback();
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}
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var opts = this._getOAuthConfig();
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var oldToken = that.runtimeData.get(that.name + 'OAuthToken');
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if (oldToken && !oldToken.expired) {
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that._oauthToken = oldToken;
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callback();
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return;
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}
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var url = opts.url + '?client_id={cid}&scope={scope}&response_type=token&redirect_uri={url}'
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.replace('{cid}', encodeURIComponent(opts.clientId))
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.replace('{scope}', encodeURIComponent(opts.scope))
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.replace('{url}', encodeURIComponent(this._getOauthRedirectUrl()));
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that.logger.debug('OAuth popup opened');
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if (!that._openPopup(url, 'OAuth', opts.width, opts.height)) {
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callback('cannot open popup');
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}
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var popupClosed = function() {
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Backbone.off('popup-closed', popupClosed);
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window.removeEventListener('message', windowMessage);
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that.logger.error('OAuth error', 'popup closed');
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callback('popup closed');
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};
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var windowMessage = function(e) {
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if (!e.data) {
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return;
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}
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Backbone.off('popup-closed', popupClosed);
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window.removeEventListener('message', windowMessage);
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var token = that._oauthMsgToToken(e.data);
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if (token.error) {
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that.logger.error('OAuth error', token.error, token.errorDescription);
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callback(token.error);
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} else {
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that._oauthToken = token;
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that.runtimeData.set(that.name + 'OAuthToken', token);
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that.logger.debug('OAuth success');
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callback();
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}
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};
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Backbone.on('popup-closed', popupClosed);
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window.addEventListener('message', windowMessage);
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},
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_oauthMsgToToken: function(data) {
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// jshint camelcase:false
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if (data.error || !data.token_type) {
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return { error: data.error || 'no token', errorDescription: data.error_description };
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}
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return {
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tokenType: data.token_type,
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accessToken: data.access_token,
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authenticationToken: data.authentication_token,
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expiresIn: data.expires_in,
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scope: data.scope,
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userId: data.user_id
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};
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},
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_oauthRefreshToken: function(callback) {
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this._oauthToken.expired = true;
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this.runtimeData.set(this.name + 'OAuthToken', this._oauthToken);
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this._oauthAuthorize(callback);
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},
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_oauthRevokeToken: function(url) {
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var token = this.runtimeData.get(this.name + 'OAuthToken');
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if (token) {
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this._xhr({
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url: url.replace('{token}', token.accessToken),
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statuses: [200, 401]
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});
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this.runtimeData.unset(this.name + 'OAuthToken');
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this._oauthToken = null;
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}
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}
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});
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StorageBase.extend = Backbone.Model.extend;
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module.exports = StorageBase;
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