80 lines
2.3 KiB
PHP
80 lines
2.3 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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* @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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* Class that handels autoupdating of ownCloud
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*/
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class OC_Updater{
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/**
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* Check if a new version is available
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*/
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public static function check() {
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// Look up the cache - it is invalidated all 30 minutes
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if((OC_Appconfig::getValue('core', 'lastupdatedat') + 1800) > time()) {
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return json_decode(OC_Appconfig::getValue('core', 'lastupdateResult'), true);
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}
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OC_Appconfig::setValue('core', 'lastupdatedat', time());
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if(OC_Appconfig::getValue('core', 'installedat', '')=='') {
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OC_Appconfig::setValue('core', 'installedat', microtime(true));
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}
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$updaterurl='http://apps.owncloud.com/updater.php';
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$version=OC_Util::getVersion();
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$version['installed']=OC_Appconfig::getValue('core', 'installedat');
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$version['updated']=OC_Appconfig::getValue('core', 'lastupdatedat');
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$version['updatechannel']='stable';
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$version['edition']=OC_Util::getEditionString();
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$versionstring=implode('x', $version);
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//fetch xml data from updater
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$url=$updaterurl.'?version='.$versionstring;
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// set a sensible timeout of 10 sec to stay responsive even if the update server is down.
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$ctx = stream_context_create(
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array(
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'http' => array(
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'timeout' => 10
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)
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)
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);
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$xml=@file_get_contents($url, 0, $ctx);
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if($xml==false) {
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return array();
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}
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$data=@simplexml_load_string($xml);
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$tmp=array();
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$tmp['version'] = $data->version;
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$tmp['versionstring'] = $data->versionstring;
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$tmp['url'] = $data->url;
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$tmp['web'] = $data->web;
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// Cache the result
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OC_Appconfig::setValue('core', 'lastupdateResult', json_encode($data));
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return $tmp;
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}
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} |