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157 lines
4.3 KiB
157 lines
4.3 KiB
<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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* @author Andreas Fischer <bantu@owncloud.com> |
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* @author Bart Visscher <bartv@thisnet.nl> |
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* @author duritong <peter.meier+github@immerda.ch> |
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* @author Georg Ehrke <oc.list@georgehrke.com> |
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* @author Joas Schilling <coding@schilljs.com> |
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* @author Juan Pablo Villafáñez <jvillafanez@solidgear.es> |
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* @author Lukas Reschke <lukas@statuscode.ch> |
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* @author Michael Gapczynski <GapczynskiM@gmail.com> |
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* @author Morris Jobke <hey@morrisjobke.de> |
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* @author Phiber2000 <phiber2000@gmx.de> |
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* @author Robin Appelman <robin@icewind.nl> |
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* @author Roeland Jago Douma <roeland@famdouma.nl> |
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* @author Roger Szabo <roger.szabo@web.de> |
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* @author Thomas Müller <thomas.mueller@tmit.eu> |
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* @author Thomas Pulzer <t.pulzer@kniel.de> |
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* @author Vincent Petry <pvince81@owncloud.com> |
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* |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program 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 License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OC\Log; |
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use OC\SystemConfig; |
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use OCP\Log\IFileBased; |
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use OCP\Log\IWriter; |
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use OCP\ILogger; |
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/** |
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* logging utilities |
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* |
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* Log is saved at data/nextcloud.log (on default) |
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*/ |
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class File extends LogDetails implements IWriter, IFileBased { |
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/** @var string */ |
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protected $logFile; |
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/** @var int */ |
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protected $logFileMode; |
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/** @var SystemConfig */ |
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private $config; |
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public function __construct(string $path, string $fallbackPath = '', SystemConfig $config) { |
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parent::__construct($config); |
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$this->logFile = $path; |
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if (!file_exists($this->logFile)) { |
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if( |
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( |
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!is_writable(dirname($this->logFile)) |
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|| !touch($this->logFile) |
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) |
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&& $fallbackPath !== '' |
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) { |
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$this->logFile = $fallbackPath; |
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} |
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} |
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$this->config = $config; |
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$this->logFileMode = $config->getValue('logfilemode', 0640); |
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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|array $message |
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* @param int $level |
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*/ |
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public function write(string $app, $message, int $level) { |
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$entry = $this->logDetailsAsJSON($app, $message, $level); |
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$handle = @fopen($this->logFile, 'a'); |
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if ($this->logFileMode > 0 && (fileperms($this->logFile) & 0777) != $this->logFileMode) { |
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@chmod($this->logFile, $this->logFileMode); |
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} |
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if ($handle) { |
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fwrite($handle, $entry."\n"); |
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fclose($handle); |
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} else { |
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// Fall back to error_log |
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error_log($entry); |
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} |
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if (php_sapi_name() === 'cli-server') { |
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if (!\is_string($message)) { |
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$message = json_encode($message); |
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} |
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error_log($message, 4); |
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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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* @param int $limit |
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* @param int $offset |
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* @return array |
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*/ |
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public function getEntries(int $limit=50, int $offset=0):array { |
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$minLevel = $this->config->getValue("loglevel", ILogger::WARN); |
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$entries = array(); |
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$handle = @fopen($this->logFile, 'rb'); |
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if ($handle) { |
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fseek($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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$lines = 0; |
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// Loop through each character of the file looking for new lines |
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while ($pos >= 0 && ($limit === null ||$entriesCount < $limit)) { |
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fseek($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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// 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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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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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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} |
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$line = ''; |
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} |
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} else { |
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$line = $ch.$line; |
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} |
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$pos--; |
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} |
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fclose($handle); |
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} |
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return $entries; |
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} |
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/** |
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* @return string |
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*/ |
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public function getLogFilePath():string { |
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return $this->logFile; |
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} |
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}
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