111 lines
3 KiB
PHP
111 lines
3 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Jakob Sack
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* @copyright 2012 Jakob Sack owncloud@jakobsack.de
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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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// Unfortunately we need this class for shutdown function
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class my_temporary_cron_class {
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public static $sent = false;
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public static $lockfile = "";
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public static $keeplock = false;
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}
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// We use this function to handle (unexpected) shutdowns
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function handleUnexpectedShutdown() {
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// Delete lockfile
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if( !my_temporary_cron_class::$keeplock && file_exists( my_temporary_cron_class::$lockfile )){
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unlink( my_temporary_cron_class::$lockfile );
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}
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// Say goodbye if the app did not shutdown properly
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if( !my_temporary_cron_class::$sent ) {
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if( OC::$CLI ) {
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echo 'Unexpected error!'.PHP_EOL;
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}
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else{
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OC_JSON::error( array( 'data' => array( 'message' => 'Unexpected error!')));
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}
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}
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}
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$RUNTIME_NOSETUPFS = true;
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require_once 'lib/base.php';
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// Don't do anything if ownCloud has not been installed
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if( !OC_Config::getValue( 'installed', false )) {
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exit( 0 );
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}
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// Handle unexpected errors
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register_shutdown_function('handleUnexpectedShutdown');
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// Exit if background jobs are disabled!
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$appmode = OC_BackgroundJob::getType();
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if( $appmode == 'none' ) {
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my_temporary_cron_class::$sent = true;
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if( OC::$CLI ) {
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echo 'Background Jobs are disabled!'.PHP_EOL;
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}
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else{
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OC_JSON::error( array( 'data' => array( 'message' => 'Background jobs disabled!')));
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}
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exit( 1 );
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}
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if( OC::$CLI ) {
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// Create lock file first
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my_temporary_cron_class::$lockfile = OC_Config::getValue( "datadirectory", OC::$SERVERROOT.'/data' ).'/cron.lock';
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// We call ownCloud from the CLI (aka cron)
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if( $appmode != 'cron' ) {
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// Use cron in feature!
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OC_BackgroundJob::setType('cron' );
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}
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// check if backgroundjobs is still running
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if( file_exists( my_temporary_cron_class::$lockfile )){
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my_temporary_cron_class::$keeplock = true;
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my_temporary_cron_class::$sent = true;
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echo "Another instance of cron.php is still running!";
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exit( 1 );
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}
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// Create a lock file
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touch( my_temporary_cron_class::$lockfile );
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// Work
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OC_BackgroundJob_Worker::doAllSteps();
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}
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else{
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// We call cron.php from some website
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if( $appmode == 'cron' ) {
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// Cron is cron :-P
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OC_JSON::error( array( 'data' => array( 'message' => 'Backgroundjobs are using system cron!')));
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}
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else{
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// Work and success :-)
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OC_BackgroundJob_Worker::doNextStep();
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OC_JSON::success();
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}
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}
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// done!
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my_temporary_cron_class::$sent = true;
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exit();
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