1 files changed, 79 insertions, 0 deletions
diff --git a/lib/log/owncloud.php b/lib/log/owncloud.php
new file mode 100644
index 00000000000..0ed30510134
--- /dev/null
+++ b/lib/log/owncloud.php
@@ -0,0 +1,79 @@
+<?php
+/**
+ * ownCloud
+ *
+ * @author Robin Appelman
+ * @copyright 2012 Robin Appelman icewind1991@gmail.com
+ *
+ * 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/>.
+ *
+ */
+
+/**
+ * logging utilities
+ *
+ * Log is saved at data/owncloud.log (on default)
+ */
+
+class OC_Log_Owncloud {
+	static protected $logFile;
+
+	/**
+	 * Init class data
+	 */
+	public static function init() {
+		$datadir=OC_Config::getValue( "datadirectory", OC::$SERVERROOT.'/data' );
+		self::$logFile=OC_Config::getValue( "logfile", $datadir.'/owncloud.log' );
+	}
+
+	/**
+	 * write a message in the log
+	 * @param string $app
+	 * @param string $message
+	 * @param int level
+	 */
+	public static function write($app, $message, $level) {
+		$minLevel=OC_Config::getValue( "loglevel", 2 );
+		if($level>=$minLevel){
+			$entry=array('app'=>$app, 'message'=>$message, 'level'=>$level,'time'=>time());
+			$fh=fopen(self::$logFile, 'a');
+			fwrite($fh, json_encode($entry)."\n");
+			fclose($fh);
+		}
+	}
+
+	/**
+	 * get entries from the log in reverse chronological order
+	 * @param int limit
+	 * @param int offset
+	 * @return array
+	 */
+	public static function getEntries($limit=50, $offset=0){
+		self::init();
+		$entries=array();
+		if(!file_exists(self::$logFile)) {
+			return array();
+		}
+		$contents=file(self::$logFile);
+		if(!$contents) {//error while reading log
+			return array();
+		}
+		$end=max(count($contents)-$offset-1, 0);
+		$start=max($end-$limit,0);
+		for($i=$end;$i>$start;$i--) {
+			$entries[]=json_decode($contents[$i]);
+		}
+		return $entries;
+	}
+}