689 lines
21 KiB
PHP
689 lines
21 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Frank Karlitschek
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* @author Michael Gapczynski
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* @copyright 2012 Frank Karlitschek frank@owncloud.org
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* @copyright 2012 Michael Gapczynski mtgap@owncloud.com
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* Class to handle open collaboration services API requests
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*
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*/
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class OC_OCS {
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/**
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* reads input date from get/post/cookies and converts the date to a special data-type
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*
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* @param string HTTP method to read the key from
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* @param string Parameter to read
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* @param string Variable type to format data
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* @param mixed Default value to return if the key is not found
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* @return mixed Data or if the key is not found and no default is set it will exit with a 400 Bad request
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*/
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public static function readData($method, $key, $type = 'raw', $default = null) {
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if ($method == 'get') {
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if (isset($_GET[$key])) {
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$data = $_GET[$key];
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} else if (isset($default)) {
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return $default;
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} else {
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$data = false;
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}
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} else if ($method == 'post') {
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if (isset($_POST[$key])) {
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$data = $_POST[$key];
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} else if (isset($default)) {
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return $default;
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} else {
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$data = false;
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}
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}
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if ($data === false) {
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echo self::generateXml('', 'fail', 400, 'Bad request. Please provide a valid '.$key);
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exit();
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} else {
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// NOTE: Is the raw type necessary? It might be a little risky without sanitization
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if ($type == 'raw') return $data;
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elseif ($type == 'text') return OC_Util::sanitizeHTML($data);
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elseif ($type == 'int') return (int) $data;
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elseif ($type == 'float') return (float) $data;
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elseif ($type == 'array') return OC_Util::sanitizeHTML($data);
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else return OC_Util::sanitizeHTML($data);
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}
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}
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/**
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main function to handle the REST request
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**/
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public static function handle() {
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// overwrite the 404 error page returncode
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header("HTTP/1.0 200 OK");
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if($_SERVER['REQUEST_METHOD'] == 'GET') {
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$method='get';
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}elseif($_SERVER['REQUEST_METHOD'] == 'PUT') {
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$method='put';
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parse_str(file_get_contents("php://input"),$put_vars);
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}elseif($_SERVER['REQUEST_METHOD'] == 'POST') {
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$method='post';
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}else{
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echo('internal server error: method not supported');
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exit();
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}
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// preprocess url
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$url = strtolower($_SERVER['REQUEST_URI']);
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if(substr($url,(strlen($url)-1))<>'/') $url.='/';
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$ex=explode('/',$url);
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$paracount=count($ex);
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$format = self::readData($method, 'format', 'text', '');
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// eventhandler
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// CONFIG
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// apiconfig - GET - CONFIG
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if(($method=='get') and ($ex[$paracount-3] == 'v1.php') and ($ex[$paracount-2] == 'config')){
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OC_OCS::apiconfig($format);
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// PERSON
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// personcheck - POST - PERSON/CHECK
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}elseif(($method=='post') and ($ex[$paracount-4] == 'v1.php') and ($ex[$paracount-3]=='person') and ($ex[$paracount-2] == 'check')){
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$login = self::readData($method, 'login', 'text');
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$passwd = self::readData($method, 'password', 'text');
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OC_OCS::personcheck($format,$login,$passwd);
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// ACTIVITY
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// activityget - GET ACTIVITY page,pagesize als urlparameter
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}elseif(($method=='get') and ($ex[$paracount-3] == 'v1.php') and ($ex[$paracount-2] == 'activity')){
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$page = self::readData($method, 'page', 'int', 0);
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$pagesize = self::readData($method, 'pagesize','int', 10);
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if($pagesize<1 or $pagesize>100) $pagesize=10;
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OC_OCS::activityget($format,$page,$pagesize);
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// activityput - POST ACTIVITY
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}elseif(($method=='post') and ($ex[$paracount-3] == 'v1.php') and ($ex[$paracount-2] == 'activity')){
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$message = self::readData($method, 'message', 'text');
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OC_OCS::activityput($format,$message);
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// PRIVATEDATA
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// get - GET DATA
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}elseif(($method=='get') and ($ex[$paracount-4] == 'v1.php') and ($ex[$paracount-2] == 'getattribute')){
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OC_OCS::privateDataGet($format);
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}elseif(($method=='get') and ($ex[$paracount-5] == 'v1.php') and ($ex[$paracount-3] == 'getattribute')){
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$app=$ex[$paracount-2];
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OC_OCS::privateDataGet($format, $app);
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}elseif(($method=='get') and ($ex[$paracount-6] == 'v1.php') and ($ex[$paracount-4] == 'getattribute')){
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$key=$ex[$paracount-2];
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$app=$ex[$paracount-3];
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OC_OCS::privateDataGet($format, $app,$key);
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// set - POST DATA
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}elseif(($method=='post') and ($ex[$paracount-6] == 'v1.php') and ($ex[$paracount-4] == 'setattribute')){
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$key=$ex[$paracount-2];
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$app=$ex[$paracount-3];
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$value = self::readData($method, 'value', 'text');
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OC_OCS::privatedataset($format, $app, $key, $value);
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// delete - POST DATA
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}elseif(($method=='post') and ($ex[$paracount-6] =='v1.php') and ($ex[$paracount-4] == 'deleteattribute')){
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$key=$ex[$paracount-2];
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$app=$ex[$paracount-3];
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OC_OCS::privatedatadelete($format, $app, $key);
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// CLOUD
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// systemWebApps
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}elseif(($method=='get') and ($ex[$paracount-5] == 'v1.php') and ($ex[$paracount-4]=='cloud') and ($ex[$paracount-3] == 'system') and ($ex[$paracount-2] == 'webapps')){
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OC_OCS::systemwebapps($format);
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// quotaget
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}elseif(($method=='get') and ($ex[$paracount-6] == 'v1.php') and ($ex[$paracount-5]=='cloud') and ($ex[$paracount-4] == 'user') and ($ex[$paracount-2] == 'quota')){
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$user=$ex[$paracount-3];
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OC_OCS::quotaget($format,$user);
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// quotaset
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}elseif(($method=='post') and ($ex[$paracount-6] == 'v1.php') and ($ex[$paracount-5]=='cloud') and ($ex[$paracount-4] == 'user') and ($ex[$paracount-2] == 'quota')){
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$user=$ex[$paracount-3];
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$quota = self::readData('post', 'quota', 'int');
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OC_OCS::quotaset($format,$user,$quota);
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// keygetpublic
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}elseif(($method=='get') and ($ex[$paracount-6] == 'v1.php') and ($ex[$paracount-5]=='cloud') and ($ex[$paracount-4] == 'user') and ($ex[$paracount-2] == 'publickey')){
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$user=$ex[$paracount-3];
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OC_OCS::publicKeyGet($format,$user);
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// keygetprivate
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}elseif(($method=='get') and ($ex[$paracount-6] == 'v1.php') and ($ex[$paracount-5]=='cloud') and ($ex[$paracount-4] == 'user') and ($ex[$paracount-2] == 'privatekey')){
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$user=$ex[$paracount-3];
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OC_OCS::privateKeyGet($format,$user);
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// add more calls here
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// please document all the call in the draft spec
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// http://www.freedesktop.org/wiki/Specifications/open-collaboration-services-1.7#CLOUD
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// TODO:
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// users
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// groups
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// bookmarks
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// sharing
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// versioning
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// news (rss)
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}else{
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$txt='Invalid query, please check the syntax. API specifications are here: http://www.freedesktop.org/wiki/Specifications/open-collaboration-services. DEBUG OUTPUT:'."\n";
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$txt.=OC_OCS::getdebugoutput();
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echo(OC_OCS::generatexml($format,'failed',999,$txt));
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}
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exit();
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}
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/**
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* generated some debug information to make it easier to find faild API calls
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* @return debug data string
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*/
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private static function getDebugOutput() {
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$txt='';
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$txt.="debug output:\n";
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if(isset($_SERVER['REQUEST_METHOD'])) $txt.='http request method: '.$_SERVER['REQUEST_METHOD']."\n";
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if(isset($_SERVER['REQUEST_URI'])) $txt.='http request uri: '.$_SERVER['REQUEST_URI']."\n";
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if(isset($_GET)) foreach($_GET as $key=>$value) $txt.='get parameter: '.$key.'->'.$value."\n";
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if(isset($_POST)) foreach($_POST as $key=>$value) $txt.='post parameter: '.$key.'->'.$value."\n";
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return($txt);
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}
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/**
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* checks if the user is authenticated
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* checks the IP whitlist, apikeys and login/password combination
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* if $forceuser is true and the authentication failed it returns an 401 http response.
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* if $forceuser is false and authentification fails it returns an empty username string
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* @param bool $forceuser
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* @return username string
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*/
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private static function checkPassword($forceuser=true) {
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//valid user account ?
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if(isset($_SERVER['PHP_AUTH_USER'])) $authuser=$_SERVER['PHP_AUTH_USER']; else $authuser='';
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if(isset($_SERVER['PHP_AUTH_PW'])) $authpw=$_SERVER['PHP_AUTH_PW']; else $authpw='';
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if(empty($authuser)) {
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if($forceuser){
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header('WWW-Authenticate: Basic realm="your valid user account or api key"');
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header('HTTP/1.0 401 Unauthorized');
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exit;
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}else{
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$identifieduser='';
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}
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}else{
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if(!OC_User::login($authuser,$authpw)){
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if($forceuser){
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header('WWW-Authenticate: Basic realm="your valid user account or api key"');
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header('HTTP/1.0 401 Unauthorized');
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exit;
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}else{
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$identifieduser='';
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}
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}else{
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$identifieduser=$authuser;
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}
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}
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return($identifieduser);
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}
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/**
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* generates the xml or json response for the API call from an multidimenional data array.
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* @param string $format
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* @param string $status
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* @param string $statuscode
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* @param string $message
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* @param array $data
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* @param string $tag
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* @param string $tagattribute
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* @param int $dimension
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* @param int $itemscount
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* @param int $itemsperpage
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* @return string xml/json
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*/
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private static function generateXml($format,$status,$statuscode,$message,$data=array(),$tag='',$tagattribute='',$dimension=-1,$itemscount='',$itemsperpage='') {
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if($format=='json') {
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$json=array();
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$json['status']=$status;
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$json['statuscode']=$statuscode;
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$json['message']=$message;
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$json['totalitems']=$itemscount;
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$json['itemsperpage']=$itemsperpage;
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$json['data']=$data;
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return(json_encode($json));
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}else{
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$txt='';
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$writer = xmlwriter_open_memory();
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xmlwriter_set_indent( $writer, 2 );
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xmlwriter_start_document($writer );
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xmlwriter_start_element($writer,'ocs');
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xmlwriter_start_element($writer,'meta');
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xmlwriter_write_element($writer,'status',$status);
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xmlwriter_write_element($writer,'statuscode',$statuscode);
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xmlwriter_write_element($writer,'message',$message);
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if($itemscount<>'') xmlwriter_write_element($writer,'totalitems',$itemscount);
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if(!empty($itemsperpage)) xmlwriter_write_element($writer,'itemsperpage',$itemsperpage);
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xmlwriter_end_element($writer);
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if($dimension=='0') {
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// 0 dimensions
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xmlwriter_write_element($writer,'data',$data);
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}elseif($dimension=='1') {
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xmlwriter_start_element($writer,'data');
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foreach($data as $key=>$entry) {
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xmlwriter_write_element($writer,$key,$entry);
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}
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xmlwriter_end_element($writer);
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}elseif($dimension=='2') {
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xmlwriter_start_element($writer,'data');
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foreach($data as $entry) {
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xmlwriter_start_element($writer,$tag);
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if(!empty($tagattribute)) {
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xmlwriter_write_attribute($writer,'details',$tagattribute);
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}
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foreach($entry as $key=>$value) {
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if(is_array($value)){
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foreach($value as $k=>$v) {
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xmlwriter_write_element($writer,$k,$v);
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}
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} else {
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xmlwriter_write_element($writer,$key,$value);
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}
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}
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xmlwriter_end_element($writer);
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}
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xmlwriter_end_element($writer);
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}elseif($dimension=='3') {
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xmlwriter_start_element($writer,'data');
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foreach($data as $entrykey=>$entry) {
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xmlwriter_start_element($writer,$tag);
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if(!empty($tagattribute)) {
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xmlwriter_write_attribute($writer,'details',$tagattribute);
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}
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foreach($entry as $key=>$value) {
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if(is_array($value)){
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xmlwriter_start_element($writer,$entrykey);
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foreach($value as $k=>$v) {
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xmlwriter_write_element($writer,$k,$v);
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}
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xmlwriter_end_element($writer);
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} else {
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xmlwriter_write_element($writer,$key,$value);
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}
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}
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xmlwriter_end_element($writer);
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}
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xmlwriter_end_element($writer);
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}elseif($dimension=='dynamic') {
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xmlwriter_start_element($writer,'data');
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OC_OCS::toxml($writer,$data,'comment');
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xmlwriter_end_element($writer);
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}
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xmlwriter_end_element($writer);
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xmlwriter_end_document( $writer );
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$txt.=xmlwriter_output_memory( $writer );
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unset($writer);
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return($txt);
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}
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}
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public static function toXml($writer,$data,$node) {
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foreach($data as $key => $value) {
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if (is_numeric($key)) {
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$key = $node;
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}
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if (is_array($value)){
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xmlwriter_start_element($writer,$key);
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OC_OCS::toxml($writer,$value,$node);
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xmlwriter_end_element($writer);
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}else{
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xmlwriter_write_element($writer,$key,$value);
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}
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}
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}
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/**
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* return the config data of this server
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* @param string $format
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* @return string xml/json
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*/
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private static function apiConfig($format) {
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$user=OC_OCS::checkpassword(false);
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$url=substr(OCP\Util::getServerHost().$_SERVER['SCRIPT_NAME'],0,-11).'';
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$xml['version']='1.7';
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$xml['website']='ownCloud';
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$xml['host']=OCP\Util::getServerHost();
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$xml['contact']='';
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$xml['ssl']='false';
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echo(OC_OCS::generatexml($format,'ok',100,'',$xml,'config','',1));
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}
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/**
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* check if the provided login/apikey/password is valid
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* @param string $format
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* @param string $login
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* @param string $passwd
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* @return string xml/json
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*/
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private static function personCheck($format,$login,$passwd) {
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if($login<>''){
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if(OC_User::login($login,$passwd)){
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$xml['person']['personid']=$login;
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echo(OC_OCS::generatexml($format,'ok',100,'',$xml,'person','check',2));
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}else{
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echo(OC_OCS::generatexml($format,'failed',102,'login not valid'));
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}
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}else{
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echo(OC_OCS::generatexml($format,'failed',101,'please specify all mandatory fields'));
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}
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}
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// ACTIVITY API #############################################
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/**
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* get my activities
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* @param string $format
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* @param string $page
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* @param string $pagesize
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* @return string xml/json
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*/
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private static function activityGet($format,$page,$pagesize) {
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$user=OC_OCS::checkpassword();
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//TODO
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$txt=OC_OCS::generatexml($format,'ok',100,'',$xml,'activity','full',2,$totalcount,$pagesize);
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echo($txt);
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}
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/**
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* submit a activity
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* @param string $format
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* @param string $message
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* @return string xml/json
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*/
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private static function activityPut($format,$message) {
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// not implemented in ownCloud
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$user=OC_OCS::checkpassword();
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echo(OC_OCS::generatexml($format,'ok',100,''));
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}
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// PRIVATEDATA API #############################################
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/**
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* get private data and create the xml for ocs
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* @param string $format
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* @param string $app
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* @param string $key
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* @return string xml/json
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*/
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private static function privateDataGet($format,$app="",$key="") {
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$user=OC_OCS::checkpassword();
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$result=OC_OCS::getData($user,$app,$key);
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$xml=array();
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foreach($result as $i=>$log) {
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$xml[$i]['key']=$log['key'];
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$xml[$i]['app']=$log['app'];
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$xml[$i]['value']=$log['value'];
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}
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$txt=OC_OCS::generatexml($format, 'ok', 100, '', $xml, 'privatedata', 'full', 2, count($xml), 0);//TODO: replace 'privatedata' with 'attribute' once a new libattice has been released that works with it
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echo($txt);
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}
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/**
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* set private data referenced by $key to $value and generate the xml for ocs
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* @param string $format
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* @param string $app
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* @param string $key
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* @param string $value
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* @return string xml/json
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*/
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private static function privateDataSet($format, $app, $key, $value) {
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$user=OC_OCS::checkpassword();
|
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if(OC_OCS::setData($user,$app,$key,$value)){
|
||
echo(OC_OCS::generatexml($format,'ok',100,''));
|
||
}
|
||
}
|
||
|
||
/**
|
||
* delete private data referenced by $key and generate the xml for ocs
|
||
* @param string $format
|
||
* @param string $app
|
||
* @param string $key
|
||
* @return string xml/json
|
||
*/
|
||
private static function privateDataDelete($format, $app, $key) {
|
||
if($key=="" or $app==""){
|
||
return; //key and app are NOT optional here
|
||
}
|
||
$user=OC_OCS::checkpassword();
|
||
if(OC_OCS::deleteData($user,$app,$key)){
|
||
echo(OC_OCS::generatexml($format,'ok',100,''));
|
||
}
|
||
}
|
||
|
||
/**
|
||
* get private data
|
||
* @param string $user
|
||
* @param string $app
|
||
* @param string $key
|
||
* @param bool $like use LIKE instead of = when comparing keys
|
||
* @return array
|
||
*/
|
||
public static function getData($user,$app="",$key="") {
|
||
if($app){
|
||
$apps=array($app);
|
||
}else{
|
||
$apps=OC_Preferences::getApps($user);
|
||
}
|
||
if($key){
|
||
$keys=array($key);
|
||
}else{
|
||
foreach($apps as $app){
|
||
$keys=OC_Preferences::getKeys($user,$app);
|
||
}
|
||
}
|
||
$result=array();
|
||
foreach($apps as $app){
|
||
foreach($keys as $key){
|
||
$value=OC_Preferences::getValue($user,$app,$key);
|
||
$result[]=array('app'=>$app,'key'=>$key,'value'=>$value);
|
||
}
|
||
}
|
||
return $result;
|
||
}
|
||
|
||
/**
|
||
* set private data referenced by $key to $value
|
||
* @param string $user
|
||
* @param string $app
|
||
* @param string $key
|
||
* @param string $value
|
||
* @return bool
|
||
*/
|
||
public static function setData($user, $app, $key, $value) {
|
||
return OC_Preferences::setValue($user,$app,$key,$value);
|
||
}
|
||
|
||
/**
|
||
* delete private data referenced by $key
|
||
* @param string $user
|
||
* @param string $app
|
||
* @param string $key
|
||
* @return string xml/json
|
||
*/
|
||
public static function deleteData($user, $app, $key) {
|
||
return OC_Preferences::deleteKey($user,$app,$key);
|
||
}
|
||
|
||
|
||
// CLOUD API #############################################
|
||
|
||
/**
|
||
* get a list of installed web apps
|
||
* @param string $format
|
||
* @return string xml/json
|
||
*/
|
||
private static function systemWebApps($format) {
|
||
$login=OC_OCS::checkpassword();
|
||
$apps=OC_App::getEnabledApps();
|
||
$values=array();
|
||
foreach($apps as $app) {
|
||
$info=OC_App::getAppInfo($app);
|
||
if(isset($info['standalone'])) {
|
||
$newvalue=array('name'=>$info['name'],'url'=>OC_Helper::linkToAbsolute($app,''),'icon'=>'');
|
||
$values[]=$newvalue;
|
||
}
|
||
|
||
}
|
||
$txt=OC_OCS::generatexml($format, 'ok', 100, '', $values, 'cloud', '', 2, 0, 0);
|
||
echo($txt);
|
||
|
||
}
|
||
|
||
|
||
/**
|
||
* get the quota of a user
|
||
* @param string $format
|
||
* @param string $user
|
||
* @return string xml/json
|
||
*/
|
||
private static function quotaGet($format,$user) {
|
||
$login=OC_OCS::checkpassword();
|
||
if(OC_Group::inGroup($login, 'admin') or ($login==$user)) {
|
||
|
||
if(OC_User::userExists($user)){
|
||
// calculate the disc space
|
||
$user_dir = '/'.$user.'/files';
|
||
OC_Filesystem::init($user_dir);
|
||
$rootInfo=OC_FileCache::get('');
|
||
$sharedInfo=OC_FileCache::get('/Shared');
|
||
$used=$rootInfo['size']-$sharedInfo['size'];
|
||
$free=OC_Filesystem::free_space();
|
||
$total=$free+$used;
|
||
if($total==0) $total=1; // prevent division by zero
|
||
$relative=round(($used/$total)*10000)/100;
|
||
|
||
$xml=array();
|
||
$xml['quota']=$total;
|
||
$xml['free']=$free;
|
||
$xml['used']=$used;
|
||
$xml['relative']=$relative;
|
||
|
||
$txt=OC_OCS::generatexml($format, 'ok', 100, '', $xml, 'cloud', '', 1, 0, 0);
|
||
echo($txt);
|
||
}else{
|
||
echo self::generateXml('', 'fail', 300, 'User does not exist');
|
||
}
|
||
}else{
|
||
echo self::generateXml('', 'fail', 300, 'You don´t have permission to access this ressource.');
|
||
}
|
||
}
|
||
|
||
/**
|
||
* set the quota of a user
|
||
* @param string $format
|
||
* @param string $user
|
||
* @param string $quota
|
||
* @return string xml/json
|
||
*/
|
||
private static function quotaSet($format,$user,$quota) {
|
||
$login=OC_OCS::checkpassword();
|
||
if(OC_Group::inGroup($login, 'admin')) {
|
||
|
||
// todo
|
||
// not yet implemented
|
||
// add logic here
|
||
error_log('OCS call: user:'.$user.' quota:'.$quota);
|
||
|
||
$xml=array();
|
||
$txt=OC_OCS::generatexml($format, 'ok', 100, '', $xml, 'cloud', '', 1, 0, 0);
|
||
echo($txt);
|
||
}else{
|
||
echo self::generateXml('', 'fail', 300, 'You don´t have permission to access this ressource.');
|
||
}
|
||
}
|
||
|
||
/**
|
||
* get the public key of a user
|
||
* @param string $format
|
||
* @param string $user
|
||
* @return string xml/json
|
||
*/
|
||
private static function publicKeyGet($format,$user) {
|
||
$login=OC_OCS::checkpassword();
|
||
|
||
if(OC_User::userExists($user)){
|
||
// calculate the disc space
|
||
$txt='this is the public key of '.$user;
|
||
echo($txt);
|
||
}else{
|
||
echo self::generateXml('', 'fail', 300, 'User does not exist');
|
||
}
|
||
}
|
||
|
||
/**
|
||
* get the private key of a user
|
||
* @param string $format
|
||
* @param string $user
|
||
* @return string xml/json
|
||
*/
|
||
private static function privateKeyGet($format,$user) {
|
||
$login=OC_OCS::checkpassword();
|
||
if(OC_Group::inGroup($login, 'admin') or ($login==$user)) {
|
||
|
||
if(OC_User::userExists($user)){
|
||
// calculate the disc space
|
||
$txt='this is the private key of '.$user;
|
||
echo($txt);
|
||
}else{
|
||
echo self::generateXml('', 'fail', 300, 'User does not exist');
|
||
}
|
||
}else{
|
||
echo self::generateXml('', 'fail', 300, 'You don´t have permission to access this ressource.');
|
||
}
|
||
}
|
||
|
||
|
||
}
|