b8b4df5425
Otherwise every time the AppStore was opened a lot of connections to the AppStore server were made which resulted in a terrible performance. This changeset will cache the response for a sensible time so that only the first request will be somewhat slow. Performance changes: - Loading a category took previously more than 3 seconds on my machine. Now for every follow-up request it takes less than 200ms, resulting in a performance gain of 1950% - Loading the category list took previously about 750ms - now it takes 154ms, a total performance gain of 395%
238 lines
6.9 KiB
PHP
238 lines
6.9 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 Jakob Sack
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* @copyright 2012 Frank Karlitschek frank@owncloud.org
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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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* This class provides an easy way for apps to store config values in the
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* database.
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*/
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class OC_OCSClient{
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/**
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* Returns whether the AppStore is enabled (i.e. because the AppStore is disabled for EE)
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* @return bool
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*/
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protected static function isAppstoreEnabled() {
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if(OC::$server->getConfig()->getSystemValue('appstoreenabled', true) === false OR OC_Util::getEditionString() !== '') {
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return false;
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}
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return true;
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}
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/**
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* Get the url of the OCS AppStore server.
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* @return string of the AppStore server
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*
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* This function returns the url of the OCS AppStore server. It´s possible
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* to set it in the config file or it will fallback to the default
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*/
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private static function getAppStoreURL() {
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return OC::$server->getConfig()->getSystemValue('appstoreurl', 'https://api.owncloud.com/v1');
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}
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/**
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* Get the content of an OCS url call.
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* @return string of the response
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* This function calls an OCS server and returns the response. It also sets a sane timeout
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* @param string $url
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*/
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private static function getOCSresponse($url) {
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$data = \OC_Util::getUrlContent($url);
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return($data);
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}
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/**
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* Get all the categories from the OCS server
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* @return array|null an array of category ids or null
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* @note returns NULL if config value appstoreenabled is set to false
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* This function returns a list of all the application categories on the OCS server
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*/
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public static function getCategories() {
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if(!self::isAppstoreEnabled()) {
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return null;
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}
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$url=OC_OCSClient::getAppStoreURL().'/content/categories';
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$xml=OC_OCSClient::getOCSresponse($url);
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if($xml==false) {
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return null;
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}
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$loadEntities = libxml_disable_entity_loader(true);
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$data = simplexml_load_string($xml);
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libxml_disable_entity_loader($loadEntities);
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$tmp=$data->data;
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$cats=array();
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foreach($tmp->category as $value) {
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$id= (int) $value->id;
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$name= (string) $value->name;
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$cats[$id]=$name;
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}
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return $cats;
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}
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/**
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* Get all the applications from the OCS server
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* @return array|null an array of application data or null
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*
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* This function returns a list of all the applications on the OCS server
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* @param array|string $categories
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* @param int $page
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* @param string $filter
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*/
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public static function getApplications($categories, $page, $filter) {
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if(!self::isAppstoreEnabled()) {
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return(array());
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}
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if(is_array($categories)) {
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$categoriesstring=implode('x', $categories);
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}else{
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$categoriesstring=$categories;
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}
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$version='&version='.implode('x', \OC_Util::getVersion());
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$filterurl='&filter='.urlencode($filter);
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$url=OC_OCSClient::getAppStoreURL().'/content/data?categories='.urlencode($categoriesstring)
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.'&sortmode=new&page='.urlencode($page).'&pagesize=100'.$filterurl.$version;
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$apps=array();
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$xml=OC_OCSClient::getOCSresponse($url);
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if($xml==false) {
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return null;
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}
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$loadEntities = libxml_disable_entity_loader(true);
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$data = simplexml_load_string($xml);
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libxml_disable_entity_loader($loadEntities);
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$tmp = $data->data->content;
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$tmpCount = count($tmp);
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for($i = 0; $i < $tmpCount; $i++) {
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$app=array();
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$app['id']=(string)$tmp[$i]->id;
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$app['name']=(string)$tmp[$i]->name;
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$app['label']=(string)$tmp[$i]->label;
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$app['version']=(string)$tmp[$i]->version;
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$app['type']=(string)$tmp[$i]->typeid;
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$app['typename']=(string)$tmp[$i]->typename;
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$app['personid']=(string)$tmp[$i]->personid;
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$app['license']=(string)$tmp[$i]->license;
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$app['detailpage']=(string)$tmp[$i]->detailpage;
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$app['preview']=(string)$tmp[$i]->smallpreviewpic1;
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$app['preview-full']=(string)$tmp[$i]->previewpic1;
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$app['changed']=strtotime($tmp[$i]->changed);
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$app['description']=(string)$tmp[$i]->description;
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$app['score']=(string)$tmp[$i]->score;
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$app['downloads'] = (int)$tmp[$i]->downloads;
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$apps[]=$app;
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}
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return $apps;
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}
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/**
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* Get an the applications from the OCS server
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* @param string $id
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* @return array|null an array of application data or null
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*
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* This function returns an applications from the OCS server
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*/
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public static function getApplication($id) {
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if(!self::isAppstoreEnabled()) {
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return null;
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}
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$url=OC_OCSClient::getAppStoreURL().'/content/data/'.urlencode($id);
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$xml=OC_OCSClient::getOCSresponse($url);
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if($xml==false) {
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OC_Log::write('core', 'Unable to parse OCS content for app ' . $id, OC_Log::FATAL);
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return null;
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}
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$loadEntities = libxml_disable_entity_loader(true);
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$data = simplexml_load_string($xml);
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libxml_disable_entity_loader($loadEntities);
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$tmp=$data->data->content;
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if (is_null($tmp)) {
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OC_Log::write('core', 'Invalid OCS content returned for app ' . $id, OC_Log::FATAL);
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return null;
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}
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$app=array();
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$app['id']=$tmp->id;
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$app['name']=$tmp->name;
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$app['version']=$tmp->version;
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$app['type']=$tmp->typeid;
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$app['label']=$tmp->label;
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$app['typename']=$tmp->typename;
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$app['personid']=$tmp->personid;
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$app['detailpage']=$tmp->detailpage;
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$app['preview1']=$tmp->smallpreviewpic1;
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$app['preview2']=$tmp->smallpreviewpic2;
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$app['preview3']=$tmp->smallpreviewpic3;
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$app['changed']=strtotime($tmp->changed);
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$app['description']=$tmp->description;
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$app['detailpage']=$tmp->detailpage;
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$app['score']=$tmp->score;
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return $app;
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}
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/**
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* Get the download url for an application from the OCS server
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* @return array|null an array of application data or null
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*
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* This function returns an download url for an applications from the OCS server
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* @param string $id
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* @param integer $item
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*/
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public static function getApplicationDownload($id, $item) {
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if(!self::isAppstoreEnabled()) {
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return null;
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}
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$url=OC_OCSClient::getAppStoreURL().'/content/download/'.urlencode($id).'/'.urlencode($item);
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$xml=OC_OCSClient::getOCSresponse($url);
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if($xml==false) {
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OC_Log::write('core', 'Unable to parse OCS content', OC_Log::FATAL);
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return null;
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}
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$loadEntities = libxml_disable_entity_loader(true);
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$data = simplexml_load_string($xml);
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libxml_disable_entity_loader($loadEntities);
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$tmp=$data->data->content;
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$app=array();
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if(isset($tmp->downloadlink)) {
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$app['downloadlink']=$tmp->downloadlink;
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}else{
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$app['downloadlink']='';
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}
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return $app;
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}
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}
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