2012-03-31 01:15:48 +04:00
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<?php
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/**
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* ownCloud
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*
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* @author Robin Appelman
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* @copyright 2012 Robin Appelman icewind1991@gmail.com
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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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/**
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* logging utilities
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*
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* Log is saved at data/owncloud.log (on default)
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*/
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class OC_Log_Owncloud {
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2012-03-31 01:40:16 +04:00
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static protected $logFile;
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2012-03-31 01:15:48 +04:00
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/**
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* Init class data
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*/
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public static function init() {
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2012-12-17 04:43:32 +04:00
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$defaultLogFile = OC_Config::getValue("datadirectory", OC::$SERVERROOT.'/data').'/owncloud.log';
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self::$logFile = OC_Config::getValue("logfile", $defaultLogFile);
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2013-10-21 01:58:07 +04:00
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/*
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* Fall back to default log file if specified logfile does not exist
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* and can not be created. Error suppression is required in order to
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* not end up in the error handler which will try to log the error.
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* A better solution (compared to error suppression) would be checking
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* !is_writable(dirname(self::$logFile)) before touch(), but
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* is_writable() on directories used to be pretty unreliable on Windows
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* for at least some time.
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*/
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if (!file_exists(self::$logFile) && !@touch(self::$logFile)) {
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2012-12-17 04:43:32 +04:00
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self::$logFile = $defaultLogFile;
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}
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2012-03-31 01:15:48 +04:00
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}
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/**
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* write a message in the log
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* @param string $app
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* @param string $message
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2013-08-05 01:13:34 +04:00
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* @param int $level
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2012-03-31 01:15:48 +04:00
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*/
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public static function write($app, $message, $level) {
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2012-11-04 14:10:46 +04:00
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$minLevel=min(OC_Config::getValue( "loglevel", OC_Log::WARN ), OC_Log::ERROR);
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2012-09-07 17:22:01 +04:00
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if($level>=$minLevel) {
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2013-08-02 15:34:20 +04:00
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// default to ISO8601
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2013-10-09 12:40:20 +04:00
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$format = OC_Config::getValue('logdateformat', 'c');
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2013-10-07 17:34:48 +04:00
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$logtimezone=OC_Config::getValue( "logtimezone", 'UTC' );
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2013-10-08 22:42:35 +04:00
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try {
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$timezone = new DateTimeZone($logtimezone);
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} catch (Exception $e) {
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$timezone = new DateTimeZone('UTC');
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}
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2013-10-07 17:34:48 +04:00
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$time = new DateTime(null, $timezone);
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2014-09-11 16:14:02 +04:00
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$reqId = \OC_Request::getRequestID();
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$remoteAddr = \OC_Request::getRemoteAddress();
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2014-05-27 23:02:55 +04:00
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// remove username/passwords from URLs before writing the to the log file
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2014-05-24 15:46:44 +04:00
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$time = $time->format($format);
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if($minLevel == OC_Log::DEBUG) {
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2014-05-28 15:56:24 +04:00
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$url = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '--';
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$method = isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : '--';
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2014-09-11 16:14:02 +04:00
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$entry = compact('reqId', 'remoteAddr', 'app', 'message', 'level', 'time', 'method', 'url');
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2014-05-24 15:46:44 +04:00
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}
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else {
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2014-09-11 16:14:02 +04:00
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$entry = compact('reqId', 'remoteAddr', 'app', 'message', 'level', 'time');
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2014-05-24 15:46:44 +04:00
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}
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2013-10-11 20:16:37 +04:00
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$entry = json_encode($entry);
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2012-12-17 04:43:32 +04:00
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$handle = @fopen(self::$logFile, 'a');
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2013-10-18 19:15:02 +04:00
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@chmod(self::$logFile, 0640);
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2012-12-17 04:43:32 +04:00
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if ($handle) {
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2013-10-11 20:16:37 +04:00
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fwrite($handle, $entry."\n");
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2012-12-17 04:43:32 +04:00
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fclose($handle);
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2013-10-11 20:16:37 +04:00
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} else {
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// Fall back to error_log
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error_log($entry);
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2012-12-17 04:43:32 +04:00
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}
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2012-03-31 01:15:48 +04:00
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}
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}
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/**
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* get entries from the log in reverse chronological order
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2013-08-05 01:13:34 +04:00
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* @param int $limit
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* @param int $offset
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2012-03-31 01:15:48 +04:00
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* @return array
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*/
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2012-09-07 17:22:01 +04:00
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public static function getEntries($limit=50, $offset=0) {
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2012-03-31 01:40:16 +04:00
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self::init();
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2012-04-16 14:21:12 +04:00
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$minLevel=OC_Config::getValue( "loglevel", OC_Log::WARN );
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2012-06-01 22:38:25 +04:00
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$entries = array();
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2012-07-06 23:51:01 +04:00
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$handle = @fopen(self::$logFile, 'rb');
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2012-06-01 22:38:25 +04:00
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if ($handle) {
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2012-07-06 23:51:01 +04:00
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fseek($handle, 0, SEEK_END);
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$pos = ftell($handle);
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$line = '';
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$entriesCount = 0;
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$lines = 0;
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// Loop through each character of the file looking for new lines
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2014-12-21 00:44:41 +03:00
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while ($pos >= 0 && ($limit === null ||$entriesCount < $limit)) {
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2012-07-06 23:51:01 +04:00
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fseek($handle, $pos);
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$ch = fgetc($handle);
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if ($ch == "\n" || $pos == 0) {
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if ($line != '') {
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2013-02-11 20:44:02 +04:00
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// Add the first character if at the start of the file,
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// because it doesn't hit the else in the loop
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2012-07-06 23:51:01 +04:00
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if ($pos == 0) {
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$line = $ch.$line;
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}
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$entry = json_decode($line);
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// Add the line as an entry if it is passed the offset and is equal or above the log level
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2012-07-07 01:29:45 +04:00
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if ($entry->level >= $minLevel) {
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$lines++;
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if ($lines > $offset) {
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$entries[] = $entry;
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$entriesCount++;
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}
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2012-07-06 23:51:01 +04:00
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}
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$line = '';
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2012-06-01 22:38:25 +04:00
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}
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2012-07-06 23:51:01 +04:00
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} else {
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$line = $ch.$line;
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2012-06-01 22:38:25 +04:00
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}
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2012-07-06 23:51:01 +04:00
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$pos--;
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2012-04-16 14:21:12 +04:00
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}
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2012-06-01 22:38:25 +04:00
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fclose($handle);
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2012-03-31 01:15:48 +04:00
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}
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return $entries;
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}
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2014-12-21 00:44:41 +03:00
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/**
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* @return string
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*/
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public static function getLogFilePath() {
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return self::$logFile;
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}
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2012-03-31 01:15:48 +04:00
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}
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