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dav.php

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  • cron.php 2.39 KiB
    <?php
    /**
    * ownCloud
    *
    * @author Jakob Sack
    * @copyright 2012 Jakob Sack owncloud@jakobsack.de
    *
    * 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/>.
    *
    */
    
    // Unfortunately we need this class for shutdown function
    class my_temporary_cron_class {
    	public static $sent = false;
    }
    
    function handleUnexpectedShutdown() {
    	if( !my_temporary_cron_class::$sent ){
    		if( OC::$CLI ){
    			echo 'Unexpected error!'.PHP_EOL;
    		}
    		else{
    			OC_JSON::error( array( 'data' => array( 'message' => 'Unexpected error!')));
    		}
    	}
    }
    
    $RUNTIME_NOSETUPFS = true;
    require_once('lib/base.php');
    
    // Don't do anything if ownCloud has not been installed
    if( !OC_Config::getValue( 'installed', false )){
    	exit( 0 );
    }
    
    // Handle unexpected errors
    register_shutdown_function('handleUnexpectedShutdown');
    
    // Exit if background jobs are disabled!
    $appmode = OC_Appconfig::getValue( 'core', 'backgroundjobs_mode', 'ajax' );
    if( $appmode == 'none' ){
    	my_temporary_cron_class::$sent = true;
    	if( OC::$CLI ){
    		echo 'Background Jobs are disabled!'.PHP_EOL;
    	}
    	else{
    		OC_JSON::error( array( 'data' => array( 'message' => 'Background jobs disabled!')));
    	}
    	exit( 1 );
    }
    
    if( OC::$CLI ){
    	if( $appmode != 'cron' ){
    		OC_Appconfig::setValue( 'core', 'backgroundjobs_mode', 'cron' );
    	}
    
    	// check if backgroundjobs is still running
    	$pid = OC_Appconfig::getValue( 'core', 'backgroundjobs_pid', false );
    	if( $pid !== false ){
    		// FIXME: check if $pid is still alive (*nix/mswin). if so then exit
    	}
    	// save pid
    	OC_Appconfig::setValue( 'core', 'backgroundjobs_pid', getmypid());
    
    	// Work
    	OC_BackgroundJob_Worker::doAllSteps();
    }
    else{
    	if( $appmode == 'cron' ){
    		OC_JSON::error( array( 'data' => array( 'message' => 'Backgroundjobs are using system cron!')));
    	}
    	else{
    		OC_BackgroundJob_Worker::doNextStep();
    		OC_JSON::success();
    	}
    }
    my_temporary_cron_class::$sent = true;
    exit();