134 lines
3.9 KiB
PHP
134 lines
3.9 KiB
PHP
<?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() {
|
|
$defaultLogFile = OC_Config::getValue("datadirectory", OC::$SERVERROOT.'/data').'/owncloud.log';
|
|
self::$logFile = OC_Config::getValue("logfile", $defaultLogFile);
|
|
|
|
/*
|
|
* Fall back to default log file if specified logfile does not exist
|
|
* and can not be created. Error suppression is required in order to
|
|
* not end up in the error handler which will try to log the error.
|
|
* A better solution (compared to error suppression) would be checking
|
|
* !is_writable(dirname(self::$logFile)) before touch(), but
|
|
* is_writable() on directories used to be pretty unreliable on Windows
|
|
* for at least some time.
|
|
*/
|
|
if (!file_exists(self::$logFile) && !@touch(self::$logFile)) {
|
|
self::$logFile = $defaultLogFile;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* write a message in the log
|
|
* @param string $app
|
|
* @param string $message
|
|
* @param int $level
|
|
*/
|
|
public static function write($app, $message, $level) {
|
|
$minLevel=min(OC_Config::getValue( "loglevel", OC_Log::WARN ), OC_Log::ERROR);
|
|
if($level>=$minLevel) {
|
|
// default to ISO8601
|
|
$format = OC_Config::getValue('logdateformat', 'c');
|
|
$logtimezone=OC_Config::getValue( "logtimezone", 'UTC' );
|
|
try {
|
|
$timezone = new DateTimeZone($logtimezone);
|
|
} catch (Exception $e) {
|
|
$timezone = new DateTimeZone('UTC');
|
|
}
|
|
$time = new DateTime(null, $timezone);
|
|
$entry=array('app'=>$app, 'message'=>$message, 'level'=>$level, 'time'=> $time->format($format));
|
|
$entry = json_encode($entry);
|
|
$handle = @fopen(self::$logFile, 'a');
|
|
@chmod(self::$logFile, 0640);
|
|
if ($handle) {
|
|
fwrite($handle, $entry."\n");
|
|
fclose($handle);
|
|
} else {
|
|
// Fall back to error_log
|
|
error_log($entry);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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();
|
|
$minLevel=OC_Config::getValue( "loglevel", OC_Log::WARN );
|
|
$entries = array();
|
|
$handle = @fopen(self::$logFile, 'rb');
|
|
if ($handle) {
|
|
fseek($handle, 0, SEEK_END);
|
|
$pos = ftell($handle);
|
|
$line = '';
|
|
$entriesCount = 0;
|
|
$lines = 0;
|
|
// Loop through each character of the file looking for new lines
|
|
while ($pos >= 0 && $entriesCount < $limit) {
|
|
fseek($handle, $pos);
|
|
$ch = fgetc($handle);
|
|
if ($ch == "\n" || $pos == 0) {
|
|
if ($line != '') {
|
|
// Add the first character if at the start of the file,
|
|
// because it doesn't hit the else in the loop
|
|
if ($pos == 0) {
|
|
$line = $ch.$line;
|
|
}
|
|
$entry = json_decode($line);
|
|
// Add the line as an entry if it is passed the offset and is equal or above the log level
|
|
if ($entry->level >= $minLevel) {
|
|
$lines++;
|
|
if ($lines > $offset) {
|
|
$entries[] = $entry;
|
|
$entriesCount++;
|
|
}
|
|
}
|
|
$line = '';
|
|
}
|
|
} else {
|
|
$line = $ch.$line;
|
|
}
|
|
$pos--;
|
|
}
|
|
fclose($handle);
|
|
}
|
|
return $entries;
|
|
}
|
|
}
|