674 lines
15 KiB
JavaScript
674 lines
15 KiB
JavaScript
/*
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* Copyright (c) 2015
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*
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* This file is licensed under the Affero General Public License version 3
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* or later.
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*
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* See the COPYING-README file.
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*
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*/
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/* global dav */
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(function(OC, FileInfo) {
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/**
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* @class OC.Files.Client
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* @classdesc Client to access files on the server
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*
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* @param {Object} options
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* @param {String} options.host host name
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* @param {int} [options.port] port
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* @param {boolean} [options.useHTTPS] whether to use https
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* @param {String} [options.root] root path
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* @param {String} [options.userName] user name
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* @param {String} [options.password] password
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*
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* @since 8.2
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*/
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var Client = function(options) {
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this._root = options.root;
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if (this._root.charAt(this._root.length - 1) === '/') {
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this._root = this._root.substr(0, this._root.length - 1);
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}
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if (!options.port) {
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// workaround in case port is null or empty
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options.port = undefined;
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}
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var url = '';
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var port = '';
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if (options.useHTTPS) {
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url += 'https://';
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if (options.port && options.port !== 443) {
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port = ':' + options.port;
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}
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} else {
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url += 'http://';
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if (options.port && options.port !== 80) {
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port = ':' + options.port;
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}
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}
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var credentials = '';
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if (options.userName) {
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credentials += encodeURIComponent(options.userName);
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}
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if (options.password) {
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credentials += ':' + encodeURIComponent(options.password);
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}
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if (credentials.length > 0) {
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url += credentials + '@';
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}
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url += options.host + port + this._root;
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this._defaultHeaders = options.defaultHeaders || {'X-Requested-With': 'XMLHttpRequest'};
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this._baseUrl = url;
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this._client = new dav.Client({
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baseUrl: this._baseUrl,
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xmlNamespaces: {
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'DAV:': 'd',
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'http://owncloud.org/ns': 'oc'
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}
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});
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this._client.xhrProvider = _.bind(this._xhrProvider, this);
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};
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Client.NS_OWNCLOUD = 'http://owncloud.org/ns';
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Client.NS_DAV = 'DAV:';
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Client._PROPFIND_PROPERTIES = [
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/**
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* Modified time
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*/
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[Client.NS_DAV, 'getlastmodified'],
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/**
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* Etag
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*/
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[Client.NS_DAV, 'getetag'],
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/**
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* Mime type
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*/
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[Client.NS_DAV, 'getcontenttype'],
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/**
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* Resource type "collection" for folders, empty otherwise
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*/
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[Client.NS_DAV, 'resourcetype'],
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/**
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* Compound file id, contains fileid + server instance id
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*/
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[Client.NS_OWNCLOUD, 'id'],
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/**
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* Letter-coded permissions
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*/
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[Client.NS_OWNCLOUD, 'permissions'],
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//[Client.NS_OWNCLOUD, 'downloadURL'],
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/**
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* Folder sizes
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*/
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[Client.NS_OWNCLOUD, 'size'],
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/**
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* File sizes
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*/
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[Client.NS_DAV, 'getcontentlength']
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];
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/**
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* @memberof OC.Files
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*/
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Client.prototype = {
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/**
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* Root path of the Webdav endpoint
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*
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* @type string
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*/
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_root: null,
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/**
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* Client from the library
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*
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* @type nl.sara.webdav.Client
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*/
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_client: null,
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/**
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* Returns the configured XHR provider for davclient
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* @return {XMLHttpRequest}
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*/
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_xhrProvider: function() {
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var headers = this._defaultHeaders;
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var xhr = new XMLHttpRequest();
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var oldOpen = xhr.open;
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// override open() method to add headers
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xhr.open = function() {
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var result = oldOpen.apply(this, arguments);
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_.each(headers, function(value, key) {
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xhr.setRequestHeader(key, value);
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});
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return result;
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};
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return xhr;
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},
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/**
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* Prepends the base url to the given path sections
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*
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* @param {...String} path sections
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*
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* @return {String} base url + joined path, any leading or trailing slash
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* will be kept
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*/
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_buildUrl: function() {
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var path = this._buildPath.apply(this, arguments);
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if (path.charAt([path.length - 1]) === '/') {
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path = path.substr(0, path.length - 1);
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}
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if (path.charAt(0) === '/') {
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path = path.substr(1);
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}
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return this._baseUrl + '/' + path;
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},
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/**
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* Append the path to the root and also encode path
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* sections
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*
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* @param {...String} path sections
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*
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* @return {String} joined path, any leading or trailing slash
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* will be kept
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*/
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_buildPath: function() {
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var path = OC.joinPaths.apply(this, arguments);
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var sections = path.split('/');
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var i;
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for (i = 0; i < sections.length; i++) {
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sections[i] = encodeURIComponent(sections[i]);
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}
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path = sections.join('/');
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return path;
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},
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/**
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* Parse headers string into a map
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*
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* @param {string} headersString headers list as string
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*
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* @return {Object.<String,Array>} map of header name to header contents
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*/
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_parseHeaders: function(headersString) {
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var headerRows = headersString.split('\n');
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var headers = {};
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for (var i = 0; i < headerRows.length; i++) {
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var sepPos = headerRows[i].indexOf(':');
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if (sepPos < 0) {
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continue;
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}
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var headerName = headerRows[i].substr(0, sepPos);
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var headerValue = headerRows[i].substr(sepPos + 2);
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if (!headers[headerName]) {
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// make it an array
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headers[headerName] = [];
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}
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headers[headerName].push(headerValue);
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}
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return headers;
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},
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/**
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* Parses the compound file id
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*
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* @param {string} compoundFileId compound file id as returned by the server
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*
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* @return {int} local file id, stripped of the instance id
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*/
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_parseFileId: function(compoundFileId) {
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if (!compoundFileId || compoundFileId.length < 8) {
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return null;
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}
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return parseInt(compoundFileId.substr(0, 8), 10);
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},
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/**
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* Parses the etag response which is in double quotes.
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*
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* @param {string} etag etag value in double quotes
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*
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* @return {string} etag without double quotes
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*/
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_parseEtag: function(etag) {
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if (etag.charAt(0) === '"') {
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return etag.split('"')[1];
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}
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return etag;
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},
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/**
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* Parse Webdav result
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*
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* @param {Object} response XML object
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*
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* @return {Array.<FileInfo>} array of file info
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*/
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_parseFileInfo: function(response) {
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var path = response.href;
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if (path.substr(0, this._root.length) === this._root) {
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path = path.substr(this._root.length);
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}
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if (path.charAt(path.length - 1) === '/') {
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path = path.substr(0, path.length - 1);
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}
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path = '/' + decodeURIComponent(path);
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if (response.propStat.length === 1 && response.propStat[0].status !== 200) {
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return null;
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}
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var props = response.propStat[0].properties;
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var data = {
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id: this._parseFileId(props['{' + Client.NS_OWNCLOUD + '}id']),
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path: OC.dirname(path) || '/',
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name: OC.basename(path),
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mtime: new Date(props['{' + Client.NS_DAV + '}getlastmodified']),
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_props: props
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};
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var etagProp = props['{' + Client.NS_DAV + '}getetag'];
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if (!_.isUndefined(etagProp)) {
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data.etag = this._parseEtag(etagProp);
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}
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var sizeProp = props['{' + Client.NS_DAV + '}getcontentlength'];
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if (!_.isUndefined(sizeProp)) {
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data.size = parseInt(sizeProp, 10);
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}
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sizeProp = props['{' + Client.NS_OWNCLOUD + '}size'];
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if (!_.isUndefined(sizeProp)) {
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data.size = parseInt(sizeProp, 10);
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}
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var contentType = props['{' + Client.NS_DAV + '}getcontenttype'];
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if (!_.isUndefined(contentType)) {
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data.mimetype = contentType;
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}
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var resType = props['{' + Client.NS_DAV + '}resourcetype'];
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var isFile = true;
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if (!data.mimetype && resType) {
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var xmlvalue = resType[0];
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if (xmlvalue.namespaceURI === Client.NS_DAV && xmlvalue.nodeName.split(':')[1] === 'collection') {
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data.mimetype = 'httpd/unix-directory';
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isFile = false;
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}
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}
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data.permissions = OC.PERMISSION_READ;
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var permissionProp = props['{' + Client.NS_OWNCLOUD + '}permissions'];
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if (!_.isUndefined(permissionProp)) {
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var permString = permissionProp || '';
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data.mountType = null;
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for (var i = 0; i < permString.length; i++) {
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var c = permString.charAt(i);
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switch (c) {
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// FIXME: twisted permissions
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case 'C':
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case 'K':
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data.permissions |= OC.PERMISSION_CREATE;
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if (!isFile) {
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data.permissions |= OC.PERMISSION_UPDATE;
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}
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break;
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case 'W':
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if (isFile) {
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// also add create permissions
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data.permissions |= OC.PERMISSION_CREATE;
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}
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data.permissions |= OC.PERMISSION_UPDATE;
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break;
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case 'D':
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data.permissions |= OC.PERMISSION_DELETE;
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break;
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case 'R':
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data.permissions |= OC.PERMISSION_SHARE;
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break;
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case 'M':
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if (!data.mountType) {
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// TODO: how to identify external-root ?
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data.mountType = 'external';
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}
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break;
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case 'S':
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// TODO: how to identify shared-root ?
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data.mountType = 'shared';
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break;
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}
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}
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}
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return new FileInfo(data);
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},
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/**
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* Parse Webdav multistatus
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*
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* @param {Array} responses
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*/
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_parseResult: function(responses) {
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var self = this;
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return _.map(responses, function(response) {
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return self._parseFileInfo(response);
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});
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},
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/**
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* Returns whether the given status code means success
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*
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* @param {int} status status code
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*
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* @return true if status code is between 200 and 299 included
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*/
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_isSuccessStatus: function(status) {
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return status >= 200 && status <= 299;
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},
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/**
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* Returns the default PROPFIND properties to use during a call.
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*
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* @return {Array.<Object>} array of properties
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*/
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_getPropfindProperties: function() {
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if (!this._propfindProperties) {
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this._propfindProperties = _.map(Client._PROPFIND_PROPERTIES, function(propDef) {
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return '{' + propDef[0] + '}' + propDef[1];
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});
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}
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return this._propfindProperties;
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},
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/**
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* Lists the contents of a directory
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*
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* @param {String} path path to retrieve
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* @param {Object} [options] options
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* @param {boolean} [options.includeParent=false] set to true to keep
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* the parent folder in the result list
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*
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* @return {Promise} promise
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*/
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getFolderContents: function(path, options) {
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if (!path) {
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path = '';
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}
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var self = this;
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var deferred = $.Deferred();
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var promise = deferred.promise();
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// TODO: headers
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this._client.propFind(
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this._buildUrl(path),
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this._getPropfindProperties(),
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1
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).then(function(result) {
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if (self._isSuccessStatus(result.status)) {
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var results = self._parseResult(result.body);
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if (!options || !options.includeParent) {
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// remove root dir, the first entry
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results.shift();
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}
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deferred.resolve(result.status, results);
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} else {
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deferred.reject(result.status);
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}
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});
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return promise;
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},
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/**
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* Returns the file info of a given path.
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*
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* @param {String} path path
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* @param {Array} [properties] list of webdav properties to
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* retrieve
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*
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* @return {Promise} promise
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*/
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getFileInfo: function(path) {
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if (!path) {
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path = '';
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}
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var self = this;
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var deferred = $.Deferred();
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var promise = deferred.promise();
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// TODO: headers
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this._client.propFind(
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this._buildUrl(path),
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this._getPropfindProperties(),
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0
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).then(
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function(result) {
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if (self._isSuccessStatus(result.status)) {
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deferred.resolve(result.status, self._parseResult([result.body])[0]);
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} else {
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deferred.reject(result.status);
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}
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}
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);
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return promise;
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},
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/**
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* Returns the contents of the given file.
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*
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* @param {String} path path to file
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*
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* @return {Promise}
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*/
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getFileContents: function(path) {
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if (!path) {
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throw 'Missing argument "path"';
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}
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var self = this;
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var deferred = $.Deferred();
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var promise = deferred.promise();
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this._client.request(
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'GET',
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this._buildUrl(path),
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this._defaultHeaders
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).then(
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function(result) {
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if (self._isSuccessStatus(result.status)) {
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deferred.resolve(result.status, result.body);
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} else {
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deferred.reject(result.status);
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}
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}
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);
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return promise;
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},
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/**
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* Puts the given data into the given file.
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*
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* @param {String} path path to file
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* @param {String} body file body
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* @param {Object} [options]
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* @param {String} [options.contentType='text/plain'] content type
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* @param {bool} [options.overwrite=true] whether to overwrite an existing file
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*
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* @return {Promise}
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*/
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putFileContents: function(path, body, options) {
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if (!path) {
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throw 'Missing argument "path"';
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}
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var self = this;
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var deferred = $.Deferred();
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var promise = deferred.promise();
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options = options || {};
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var headers = _.extend({}, this._defaultHeaders);
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var contentType = 'text/plain';
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if (options.contentType) {
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contentType = options.contentType;
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}
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headers['Content-Type'] = contentType;
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if (_.isUndefined(options.overwrite) || options.overwrite) {
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// will trigger 412 precondition failed if a file already exists
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headers['If-None-Match'] = '*';
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}
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this._client.request(
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'PUT',
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this._buildUrl(path),
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headers,
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body || ''
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).then(
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function(result) {
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if (self._isSuccessStatus(result.status)) {
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deferred.resolve(result.status);
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} else {
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deferred.reject(result.status);
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}
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}
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);
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return promise;
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},
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_simpleCall: function(method, path) {
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if (!path) {
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throw 'Missing argument "path"';
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}
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var self = this;
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var deferred = $.Deferred();
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var promise = deferred.promise();
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this._client.request(
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method,
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this._buildUrl(path),
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this._defaultHeaders
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).then(
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function(result) {
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if (self._isSuccessStatus(result.status)) {
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deferred.resolve(result.status);
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} else {
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deferred.reject(result.status);
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}
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}
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);
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return promise;
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},
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|
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/**
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* Creates a directory
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*
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* @param {String} path path to create
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*
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* @return {Promise}
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*/
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createDirectory: function(path) {
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return this._simpleCall('MKCOL', path);
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},
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/**
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* Deletes a file or directory
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*
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* @param {String} path path to delete
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*
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* @return {Promise}
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*/
|
|
remove: function(path) {
|
|
return this._simpleCall('DELETE', path);
|
|
},
|
|
|
|
/**
|
|
* Moves path to another path
|
|
*
|
|
* @param {String} path path to move
|
|
* @param {String} destinationPath destination path
|
|
* @param {boolean} [allowOverwrite=false] true to allow overwriting,
|
|
* false otherwise
|
|
*
|
|
* @return {Promise} promise
|
|
*/
|
|
move: function(path, destinationPath, allowOverwrite) {
|
|
if (!path) {
|
|
throw 'Missing argument "path"';
|
|
}
|
|
if (!destinationPath) {
|
|
throw 'Missing argument "destinationPath"';
|
|
}
|
|
|
|
var self = this;
|
|
var deferred = $.Deferred();
|
|
var promise = deferred.promise();
|
|
var headers =
|
|
_.extend({
|
|
'Destination' : this._buildUrl(destinationPath)
|
|
}, this._defaultHeaders);
|
|
|
|
if (!allowOverwrite) {
|
|
headers['Overwrite'] = 'F';
|
|
}
|
|
|
|
this._client.request(
|
|
'MOVE',
|
|
this._buildUrl(path),
|
|
headers
|
|
).then(
|
|
function(response) {
|
|
if (self._isSuccessStatus(response.status)) {
|
|
deferred.resolve(response.status);
|
|
} else {
|
|
deferred.reject(response.status);
|
|
}
|
|
}
|
|
);
|
|
return promise;
|
|
}
|
|
|
|
};
|
|
|
|
if (!OC.Files) {
|
|
/**
|
|
* @namespace OC.Files
|
|
*
|
|
* @since 8.2
|
|
*/
|
|
OC.Files = {};
|
|
}
|
|
|
|
/**
|
|
* Returns the default instance of the files client
|
|
*
|
|
* @return {OC.Files.Client} default client
|
|
*
|
|
* @since 8.2
|
|
*/
|
|
OC.Files.getClient = function() {
|
|
if (OC.Files._defaultClient) {
|
|
return OC.Files._defaultClient;
|
|
}
|
|
|
|
var client = new OC.Files.Client({
|
|
host: OC.getHost(),
|
|
port: OC.getPort(),
|
|
root: OC.linkToRemoteBase('webdav'),
|
|
useHTTPS: OC.getProtocol() === 'https'
|
|
});
|
|
OC.Files._defaultClient = client;
|
|
return client;
|
|
};
|
|
|
|
OC.Files.Client = Client;
|
|
})(OC, OC.Files.FileInfo);
|
|
|