1 files changed, 89 insertions, 0 deletions
diff --git a/cron.php b/cron.php
new file mode 100644
index 00000000000..83285e8a47c
--- /dev/null
+++ b/cron.php
@@ -0,0 +1,89 @@
+<?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();