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<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @author Jakob Sack
* @copyright 2012 Frank Karlitschek frank@owncloud.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* This class provides an easy way for apps to store config values in the
* database.
*/
class OC_OCSClient{
/**
* Returns whether the AppStore is enabled (i.e. because the AppStore is disabled for EE)
* @return bool
*/
protected static function isAppstoreEnabled() {
if(OC::$server->getConfig()->getSystemValue('appstoreenabled', true) === false OR OC_Util::getEditionString() !== '') {
return false;
}
return true;
}
/**
* Get the url of the OCS AppStore server.
* @return string of the AppStore server
*
* This function returns the url of the OCS AppStore server. It´s possible
* to set it in the config file or it will fallback to the default
*/
private static function getAppStoreURL() {
return OC::$server->getConfig()->getSystemValue('appstoreurl', 'https://api.owncloud.com/v1');
}
/**
* Get the content of an OCS url call.
* @return string of the response
* This function calls an OCS server and returns the response. It also sets a sane timeout
* @param string $url
*/
private static function getOCSresponse($url) {
$data = \OC_Util::getUrlContent($url);
return($data);
}
/**
* Get all the categories from the OCS server
* @return array|null an array of category ids or null
* @note returns NULL if config value appstoreenabled is set to false
* This function returns a list of all the application categories on the OCS server
*/
public static function getCategories() {
if(!self::isAppstoreEnabled()) {
return null;
}
$url=OC_OCSClient::getAppStoreURL().'/content/categories';
$xml=OC_OCSClient::getOCSresponse($url);
if($xml==false) {
return null;
}
$loadEntities = libxml_disable_entity_loader(true);
$data = simplexml_load_string($xml);
libxml_disable_entity_loader($loadEntities);
$tmp=$data->data;
$cats=array();
foreach($tmp->category as $value) {
$id= (int) $value->id;
$name= (string) $value->name;
$cats[$id]=$name;
}
return $cats;
}
/**
* Get all the applications from the OCS server
* @return array|null an array of application data or null
*
* This function returns a list of all the applications on the OCS server
* @param array|string $categories
* @param int $page
* @param string $filter
*/
public static function getApplications($categories, $page, $filter) {
if(!self::isAppstoreEnabled()) {
return(array());
}
if(is_array($categories)) {
$categoriesstring=implode('x', $categories);
}else{
$categoriesstring=$categories;
}
$version='&version='.implode('x', \OC_Util::getVersion());
$filterurl='&filter='.urlencode($filter);
$url=OC_OCSClient::getAppStoreURL().'/content/data?categories='.urlencode($categoriesstring)
.'&sortmode=new&page='.urlencode($page).'&pagesize=100'.$filterurl.$version;
$apps=array();
$xml=OC_OCSClient::getOCSresponse($url);
if($xml==false) {
return null;
}
$loadEntities = libxml_disable_entity_loader(true);
$data = simplexml_load_string($xml);
libxml_disable_entity_loader($loadEntities);
$tmp=$data->data->content;
for($i = 0; $i < count($tmp); $i++) {
$app=array();
$app['id']=(string)$tmp[$i]->id;
$app['name']=(string)$tmp[$i]->name;
$app['label']=(string)$tmp[$i]->label;
$app['version']=(string)$tmp[$i]->version;
$app['type']=(string)$tmp[$i]->typeid;
$app['typename']=(string)$tmp[$i]->typename;
$app['personid']=(string)$tmp[$i]->personid;
$app['license']=(string)$tmp[$i]->license;
$app['detailpage']=(string)$tmp[$i]->detailpage;
$app['preview']=(string)$tmp[$i]->smallpreviewpic1;
$app['preview-full']=(string)$tmp[$i]->previewpic1;
$app['changed']=strtotime($tmp[$i]->changed);
$app['description']=(string)$tmp[$i]->description;
$app['score']=(string)$tmp[$i]->score;
$app['downloads'] = $tmp[$i]->downloads;
$apps[]=$app;
}
return $apps;
}
/**
* Get an the applications from the OCS server
* @param string $id
* @return array|null an array of application data or null
*
* This function returns an applications from the OCS server
*/
public static function getApplication($id) {
if(!self::isAppstoreEnabled()) {
return null;
}
$url=OC_OCSClient::getAppStoreURL().'/content/data/'.urlencode($id);
$xml=OC_OCSClient::getOCSresponse($url);
if($xml==false) {
OC_Log::write('core', 'Unable to parse OCS content for app ' . $id, OC_Log::FATAL);
return null;
}
$loadEntities = libxml_disable_entity_loader(true);
$data = simplexml_load_string($xml);
libxml_disable_entity_loader($loadEntities);
$tmp=$data->data->content;
if (is_null($tmp)) {
OC_Log::write('core', 'Invalid OCS content returned for app ' . $id, OC_Log::FATAL);
return null;
}
$app=array();
$app['id']=$tmp->id;
$app['name']=$tmp->name;
$app['version']=$tmp->version;
$app['type']=$tmp->typeid;
$app['label']=$tmp->label;
$app['typename']=$tmp->typename;
$app['personid']=$tmp->personid;
$app['detailpage']=$tmp->detailpage;
$app['preview1']=$tmp->smallpreviewpic1;
$app['preview2']=$tmp->smallpreviewpic2;
$app['preview3']=$tmp->smallpreviewpic3;
$app['changed']=strtotime($tmp->changed);
$app['description']=$tmp->description;
$app['detailpage']=$tmp->detailpage;
$app['score']=$tmp->score;
return $app;
}
/**
* Get the download url for an application from the OCS server
* @return array|null an array of application data or null
*
* This function returns an download url for an applications from the OCS server
* @param string $id
* @param integer $item
*/
public static function getApplicationDownload($id, $item) {
if(!self::isAppstoreEnabled()) {
return null;
}
$url=OC_OCSClient::getAppStoreURL().'/content/download/'.urlencode($id).'/'.urlencode($item);
$xml=OC_OCSClient::getOCSresponse($url);
if($xml==false) {
OC_Log::write('core', 'Unable to parse OCS content', OC_Log::FATAL);
return null;
}
$loadEntities = libxml_disable_entity_loader(true);
$data = simplexml_load_string($xml);
libxml_disable_entity_loader($loadEntities);
$tmp=$data->data->content;
$app=array();
if(isset($tmp->downloadlink)) {
$app['downloadlink']=$tmp->downloadlink;
}else{
$app['downloadlink']='';
}
return $app;
}
}
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