diff options
Diffstat (limited to 'lib/private/Log/File.php')
| -rw-r--r-- | lib/private/Log/File.php | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/lib/private/Log/File.php b/lib/private/Log/File.php new file mode 100644 index 00000000000..a406dd83952 --- /dev/null +++ b/lib/private/Log/File.php @@ -0,0 +1,185 @@ +<?php +/** + * @copyright Copyright (c) 2016, ownCloud, Inc. + * + * @author Andreas Fischer <bantu@owncloud.com> + * @author Bart Visscher <bartv@thisnet.nl> + * @author Georg Ehrke <georg@owncloud.com> + * @author Lukas Reschke <lukas@statuscode.ch> + * @author Michael Gapczynski <GapczynskiM@gmail.com> + * @author Morris Jobke <hey@morrisjobke.de> + * @author Phiber2000 <phiber2000@gmx.de> + * @author Robin Appelman <robin@icewind.nl> + * @author Roeland Jago Douma <roeland@famdouma.nl> + * @author Thomas Müller <thomas.mueller@tmit.eu> + * @author Thomas Pulzer <t.pulzer@kniel.de> + * @author Vincent Petry <pvince81@owncloud.com> + * + * @license AGPL-3.0 + * + * This code is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * This program 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, version 3, + * along with this program. If not, see <http://www.gnu.org/licenses/> + * + */ + +namespace OC\Log; + +/** + * logging utilities + * + * Log is saved at data/nextcloud.log (on default) + */ + +class File { + static protected $logFile; + + /** + * Init class data + */ + public static function init() { + $systemConfig = \OC::$server->getSystemConfig(); + $defaultLogFile = $systemConfig->getValue("datadirectory", \OC::$SERVERROOT.'/data').'/nextcloud.log'; + self::$logFile = $systemConfig->getValue("logfile", $defaultLogFile); + + /** + * Fall back to default log file if specified logfile does not exist + * and can not be created. + */ + if (!file_exists(self::$logFile)) { + if(!is_writable(dirname(self::$logFile))) { + self::$logFile = $defaultLogFile; + } else { + if(!touch(self::$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) { + $config = \OC::$server->getSystemConfig(); + + // default to ISO8601 + $format = $config->getValue('logdateformat', 'c'); + $logTimeZone = $config->getValue( "logtimezone", 'UTC' ); + try { + $timezone = new \DateTimeZone($logTimeZone); + } catch (\Exception $e) { + $timezone = new \DateTimeZone('UTC'); + } + $time = \DateTime::createFromFormat("U.u", number_format(microtime(true), 4, ".", "")); + if ($time === false) { + $time = new \DateTime(null, $timezone); + } else { + // apply timezone if $time is created from UNIX timestamp + $time->setTimezone($timezone); + } + $request = \OC::$server->getRequest(); + $reqId = $request->getId(); + $remoteAddr = $request->getRemoteAddress(); + // remove username/passwords from URLs before writing the to the log file + $time = $time->format($format); + $url = ($request->getRequestUri() !== '') ? $request->getRequestUri() : '--'; + $method = is_string($request->getMethod()) ? $request->getMethod() : '--'; + if(\OC::$server->getConfig()->getSystemValue('installed', false)) { + $user = (\OC_User::getUser()) ? \OC_User::getUser() : '--'; + } else { + $user = '--'; + } + $entry = compact( + 'reqId', + 'remoteAddr', + 'app', + 'message', + 'level', + 'time', + 'method', + 'url', + 'user' + ); + $entry = json_encode($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($entry); + } + if (php_sapi_name() === 'cli-server') { + error_log($message, 4); + } + } + + /** + * 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(); + $minLevel = \OC::$server->getSystemConfig()->getValue("loglevel", \OCP\Util::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 && ($limit === null ||$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 $entries; + } + + /** + * @return string + */ + public static function getLogFilePath() { + return self::$logFile; + } +} |