nextcloud / server

lib/private/Log.php

Unused Use Statements -1 removed lines

@@ -36,7 +36,6 @@
 namespace OC;
 
 use InterfaSys\LogNormalizer\Normalizer;
-
 use OC\Log\File;
 use OCP\ILogger;
 use OCP\Support\CrashReport\IRegistry;

Spacing +5 added lines, -5 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-declare(strict_types=1);
+declare(strict_types = 1);
 /**
  * @copyright Copyright (c) 2016, ownCloud, Inc.
  *
@@ -260,7 +260,7 @@ 
 		// interpolate $message as defined in PSR-3
 		$replace = [];
 		foreach ($context as $key => $val) {
-			$replace['{' . $key . '}'] = $val;
+			$replace['{'.$key.'}'] = $val;
 		}
 		$message = strtr($message, $replace);
 
@@ -326,7 +326,7 @@ 
 
 	private function filterTrace(array $trace) {
 		$sensitiveValues = [];
-		$trace = array_map(function (array $traceLine) use (&$sensitiveValues) {
+		$trace = array_map(function(array $traceLine) use (&$sensitiveValues) {
 			foreach ($this->methodsWithSensitiveParameters as $sensitiveMethod) {
 				if (strpos($traceLine['function'], $sensitiveMethod) !== false) {
 					$sensitiveValues = array_merge($sensitiveValues, $traceLine['args']);
@@ -336,14 +336,14 @@ 
 			}
 			return $traceLine;
 		}, $trace);
-		return array_map(function (array $traceLine) use ($sensitiveValues) {
+		return array_map(function(array $traceLine) use ($sensitiveValues) {
 			$traceLine['args'] = $this->removeValuesFromArgs($traceLine['args'], $sensitiveValues);
 			return $traceLine;
 		}, $trace);
 	}
 
 	private function removeValuesFromArgs($args, $values) {
-		foreach($args as &$arg) {
+		foreach ($args as &$arg) {
 			if (in_array($arg, $values, true)) {
 				$arg = '*** sensitive parameter replaced ***';
 			} else if (is_array($arg)) {

Indentation +372 added lines, -372 removed lines

@@ -53,376 +53,376 @@
  */
 class Log implements ILogger {
 
-	/** @var string */
-	private $logger;
-
-	/** @var SystemConfig */
-	private $config;
-
-	/** @var boolean|null cache the result of the log condition check for the request */
-	private $logConditionSatisfied = null;
-
-	/** @var Normalizer */
-	private $normalizer;
-
-	/** @var IRegistry */
-	private $crashReporters;
-
-	protected $methodsWithSensitiveParameters = [
-		// Session/User
-		'completeLogin',
-		'login',
-		'checkPassword',
-		'checkPasswordNoLogging',
-		'loginWithPassword',
-		'updatePrivateKeyPassword',
-		'validateUserPass',
-		'loginWithToken',
-		'{closure}',
-
-		// TokenProvider
-		'getToken',
-		'isTokenPassword',
-		'getPassword',
-		'decryptPassword',
-		'logClientIn',
-		'generateToken',
-		'validateToken',
-
-		// TwoFactorAuth
-		'solveChallenge',
-		'verifyChallenge',
-
-		// ICrypto
-		'calculateHMAC',
-		'encrypt',
-		'decrypt',
-
-		// LoginController
-		'tryLogin',
-		'confirmPassword',
-
-		// LDAP
-		'bind',
-		'areCredentialsValid',
-		'invokeLDAPMethod',
-
-		// Encryption
-		'storeKeyPair',
-		'setupUser',
-	];
-
-	/**
-	 * @param string $logger The logger that should be used
-	 * @param SystemConfig $config the system config object
-	 * @param Normalizer|null $normalizer
-	 * @param IRegistry|null $registry
-	 */
-	public function __construct($logger = null, SystemConfig $config = null, $normalizer = null, IRegistry $registry = null) {
-		// FIXME: Add this for backwards compatibility, should be fixed at some point probably
-		if ($config === null) {
-			$config = \OC::$server->getSystemConfig();
-		}
-
-		$this->config = $config;
-
-		// FIXME: Add this for backwards compatibility, should be fixed at some point probably
-		if ($logger === null) {
-			$logType = $this->config->getValue('log_type', 'file');
-			$this->logger = static::getLogClass($logType);
-			call_user_func([$this->logger, 'init']);
-		} else {
-			$this->logger = $logger;
-		}
-		if ($normalizer === null) {
-			$this->normalizer = new Normalizer();
-		} else {
-			$this->normalizer = $normalizer;
-		}
-		$this->crashReporters = $registry;
-	}
-
-	/**
-	 * System is unusable.
-	 *
-	 * @param string $message
-	 * @param array $context
-	 * @return void
-	 */
-	public function emergency(string $message, array $context = []) {
-		$this->log(Util::FATAL, $message, $context);
-	}
-
-	/**
-	 * Action must be taken immediately.
-	 *
-	 * Example: Entire website down, database unavailable, etc. This should
-	 * trigger the SMS alerts and wake you up.
-	 *
-	 * @param string $message
-	 * @param array $context
-	 * @return void
-	 */
-	public function alert(string $message, array $context = []) {
-		$this->log(Util::ERROR, $message, $context);
-	}
-
-	/**
-	 * Critical conditions.
-	 *
-	 * Example: Application component unavailable, unexpected exception.
-	 *
-	 * @param string $message
-	 * @param array $context
-	 * @return void
-	 */
-	public function critical(string $message, array $context = []) {
-		$this->log(Util::ERROR, $message, $context);
-	}
-
-	/**
-	 * Runtime errors that do not require immediate action but should typically
-	 * be logged and monitored.
-	 *
-	 * @param string $message
-	 * @param array $context
-	 * @return void
-	 */
-	public function error(string $message, array $context = []) {
-		$this->log(Util::ERROR, $message, $context);
-	}
-
-	/**
-	 * Exceptional occurrences that are not errors.
-	 *
-	 * Example: Use of deprecated APIs, poor use of an API, undesirable things
-	 * that are not necessarily wrong.
-	 *
-	 * @param string $message
-	 * @param array $context
-	 * @return void
-	 */
-	public function warning(string $message, array $context = []) {
-		$this->log(Util::WARN, $message, $context);
-	}
-
-	/**
-	 * Normal but significant events.
-	 *
-	 * @param string $message
-	 * @param array $context
-	 * @return void
-	 */
-	public function notice(string $message, array $context = []) {
-		$this->log(Util::INFO, $message, $context);
-	}
-
-	/**
-	 * Interesting events.
-	 *
-	 * Example: User logs in, SQL logs.
-	 *
-	 * @param string $message
-	 * @param array $context
-	 * @return void
-	 */
-	public function info(string $message, array $context = []) {
-		$this->log(Util::INFO, $message, $context);
-	}
-
-	/**
-	 * Detailed debug information.
-	 *
-	 * @param string $message
-	 * @param array $context
-	 * @return void
-	 */
-	public function debug(string $message, array $context = []) {
-		$this->log(Util::DEBUG, $message, $context);
-	}
-
-
-	/**
-	 * Logs with an arbitrary level.
-	 *
-	 * @param int $level
-	 * @param string $message
-	 * @param array $context
-	 * @return void
-	 */
-	public function log(int $level, string $message, array $context = []) {
-		$minLevel = $this->getLogLevel($context);
-
-		array_walk($context, [$this->normalizer, 'format']);
-
-		$app = $context['app'] ?? 'no app in context';
-
-		// interpolate $message as defined in PSR-3
-		$replace = [];
-		foreach ($context as $key => $val) {
-			$replace['{' . $key . '}'] = $val;
-		}
-		$message = strtr($message, $replace);
-
-		if ($level >= $minLevel) {
-			$this->writeLog($app, $message, $level);
-		}
-	}
-
-	private function getLogLevel($context) {
-		/**
-		 * check for a special log condition - this enables an increased log on
-		 * a per request/user base
-		 */
-		if ($this->logConditionSatisfied === null) {
-			// default to false to just process this once per request
-			$this->logConditionSatisfied = false;
-			if (!empty($logCondition)) {
-
-				// check for secret token in the request
-				if (isset($logCondition['shared_secret'])) {
-					$request = \OC::$server->getRequest();
-
-					// if token is found in the request change set the log condition to satisfied
-					if ($request && hash_equals($logCondition['shared_secret'], $request->getParam('log_secret', ''))) {
-						$this->logConditionSatisfied = true;
-					}
-				}
-
-				// check for user
-				if (isset($logCondition['users'])) {
-					$user = \OC::$server->getUserSession()->getUser();
-
-					// if the user matches set the log condition to satisfied
-					if ($user !== null && in_array($user->getUID(), $logCondition['users'], true)) {
-						$this->logConditionSatisfied = true;
-					}
-				}
-			}
-		}
-
-		// if log condition is satisfied change the required log level to DEBUG
-		if ($this->logConditionSatisfied) {
-			return Util::DEBUG;
-		}
-
-		if (isset($context['app'])) {
-			$logCondition = $this->config->getValue('log.condition', []);
-			$app = $context['app'];
-
-			/**
-			 * check log condition based on the context of each log message
-			 * once this is met -> change the required log level to debug
-			 */
-			if (!empty($logCondition)
-				&& isset($logCondition['apps'])
-				&& in_array($app, $logCondition['apps'], true)) {
-				return Util::DEBUG;
-			}
-		}
-
-		return min($this->config->getValue('loglevel', Util::WARN), Util::FATAL);
-	}
-
-	private function filterTrace(array $trace) {
-		$sensitiveValues = [];
-		$trace = array_map(function (array $traceLine) use (&$sensitiveValues) {
-			foreach ($this->methodsWithSensitiveParameters as $sensitiveMethod) {
-				if (strpos($traceLine['function'], $sensitiveMethod) !== false) {
-					$sensitiveValues = array_merge($sensitiveValues, $traceLine['args']);
-					$traceLine['args'] = ['*** sensitive parameters replaced ***'];
-					return $traceLine;
-				}
-			}
-			return $traceLine;
-		}, $trace);
-		return array_map(function (array $traceLine) use ($sensitiveValues) {
-			$traceLine['args'] = $this->removeValuesFromArgs($traceLine['args'], $sensitiveValues);
-			return $traceLine;
-		}, $trace);
-	}
-
-	private function removeValuesFromArgs($args, $values) {
-		foreach($args as &$arg) {
-			if (in_array($arg, $values, true)) {
-				$arg = '*** sensitive parameter replaced ***';
-			} else if (is_array($arg)) {
-				$arg = $this->removeValuesFromArgs($arg, $values);
-			}
-		}
-		return $args;
-	}
-
-	/**
-	 * Logs an exception very detailed
-	 *
-	 * @param \Exception|\Throwable $exception
-	 * @param array $context
-	 * @return void
-	 * @since 8.2.0
-	 */
-	public function logException(\Throwable $exception, array $context = []) {
-		$app = $context['app'] ?? 'no app in context';
-		$level = $context['level'] ?? Util::ERROR;
-
-		$data = [
-			'CustomMessage' => $context['message'] ?? '--',
-			'Exception' => get_class($exception),
-			'Message' => $exception->getMessage(),
-			'Code' => $exception->getCode(),
-			'Trace' => $this->filterTrace($exception->getTrace()),
-			'File' => $exception->getFile(),
-			'Line' => $exception->getLine(),
-		];
-		if ($exception instanceof HintException) {
-			$data['Hint'] = $exception->getHint();
-		}
-
-		$minLevel = $this->getLogLevel($context);
-
-		array_walk($context, [$this->normalizer, 'format']);
-
-		if ($level >= $minLevel) {
-			if ($this->logger !== File::class) {
-				$data = json_encode($data, JSON_PARTIAL_OUTPUT_ON_ERROR);
-			}
-			$this->writeLog($app, $data, $level);
-		}
-
-		$context['level'] = $level;
-		if (!is_null($this->crashReporters)) {
-			$this->crashReporters->delegateReport($exception, $context);
-		}
-	}
-
-	/**
-	 * @param string $app
-	 * @param string|array $entry
-	 * @param int $level
-	 */
-	protected function writeLog(string $app, $entry, int $level) {
-		call_user_func([$this->logger, 'write'], $app, $entry, $level);
-	}
-
-	/**
-	 * @param string $logType
-	 * @return string
-	 * @internal
-	 */
-	public static function getLogClass(string $logType): string {
-		switch (strtolower($logType)) {
-			case 'errorlog':
-				return \OC\Log\Errorlog::class;
-			case 'syslog':
-				return \OC\Log\Syslog::class;
-			case 'file':
-				return \OC\Log\File::class;
-
-			// Backwards compatibility for old and fallback for unknown log types
-			case 'owncloud':
-			case 'nextcloud':
-			default:
-				return \OC\Log\File::class;
-		}
-	}
+    /** @var string */
+    private $logger;
+
+    /** @var SystemConfig */
+    private $config;
+
+    /** @var boolean|null cache the result of the log condition check for the request */
+    private $logConditionSatisfied = null;
+
+    /** @var Normalizer */
+    private $normalizer;
+
+    /** @var IRegistry */
+    private $crashReporters;
+
+    protected $methodsWithSensitiveParameters = [
+        // Session/User
+        'completeLogin',
+        'login',
+        'checkPassword',
+        'checkPasswordNoLogging',
+        'loginWithPassword',
+        'updatePrivateKeyPassword',
+        'validateUserPass',
+        'loginWithToken',
+        '{closure}',
+
+        // TokenProvider
+        'getToken',
+        'isTokenPassword',
+        'getPassword',
+        'decryptPassword',
+        'logClientIn',
+        'generateToken',
+        'validateToken',
+
+        // TwoFactorAuth
+        'solveChallenge',
+        'verifyChallenge',
+
+        // ICrypto
+        'calculateHMAC',
+        'encrypt',
+        'decrypt',
+
+        // LoginController
+        'tryLogin',
+        'confirmPassword',
+
+        // LDAP
+        'bind',
+        'areCredentialsValid',
+        'invokeLDAPMethod',
+
+        // Encryption
+        'storeKeyPair',
+        'setupUser',
+    ];
+
+    /**
+     * @param string $logger The logger that should be used
+     * @param SystemConfig $config the system config object
+     * @param Normalizer|null $normalizer
+     * @param IRegistry|null $registry
+     */
+    public function __construct($logger = null, SystemConfig $config = null, $normalizer = null, IRegistry $registry = null) {
+        // FIXME: Add this for backwards compatibility, should be fixed at some point probably
+        if ($config === null) {
+            $config = \OC::$server->getSystemConfig();
+        }
+
+        $this->config = $config;
+
+        // FIXME: Add this for backwards compatibility, should be fixed at some point probably
+        if ($logger === null) {
+            $logType = $this->config->getValue('log_type', 'file');
+            $this->logger = static::getLogClass($logType);
+            call_user_func([$this->logger, 'init']);
+        } else {
+            $this->logger = $logger;
+        }
+        if ($normalizer === null) {
+            $this->normalizer = new Normalizer();
+        } else {
+            $this->normalizer = $normalizer;
+        }
+        $this->crashReporters = $registry;
+    }
+
+    /**
+     * System is unusable.
+     *
+     * @param string $message
+     * @param array $context
+     * @return void
+     */
+    public function emergency(string $message, array $context = []) {
+        $this->log(Util::FATAL, $message, $context);
+    }
+
+    /**
+     * Action must be taken immediately.
+     *
+     * Example: Entire website down, database unavailable, etc. This should
+     * trigger the SMS alerts and wake you up.
+     *
+     * @param string $message
+     * @param array $context
+     * @return void
+     */
+    public function alert(string $message, array $context = []) {
+        $this->log(Util::ERROR, $message, $context);
+    }
+
+    /**
+     * Critical conditions.
+     *
+     * Example: Application component unavailable, unexpected exception.
+     *
+     * @param string $message
+     * @param array $context
+     * @return void
+     */
+    public function critical(string $message, array $context = []) {
+        $this->log(Util::ERROR, $message, $context);
+    }
+
+    /**
+     * Runtime errors that do not require immediate action but should typically
+     * be logged and monitored.
+     *
+     * @param string $message
+     * @param array $context
+     * @return void
+     */
+    public function error(string $message, array $context = []) {
+        $this->log(Util::ERROR, $message, $context);
+    }
+
+    /**
+     * Exceptional occurrences that are not errors.
+     *
+     * Example: Use of deprecated APIs, poor use of an API, undesirable things
+     * that are not necessarily wrong.
+     *
+     * @param string $message
+     * @param array $context
+     * @return void
+     */
+    public function warning(string $message, array $context = []) {
+        $this->log(Util::WARN, $message, $context);
+    }
+
+    /**
+     * Normal but significant events.
+     *
+     * @param string $message
+     * @param array $context
+     * @return void
+     */
+    public function notice(string $message, array $context = []) {
+        $this->log(Util::INFO, $message, $context);
+    }
+
+    /**
+     * Interesting events.
+     *
+     * Example: User logs in, SQL logs.
+     *
+     * @param string $message
+     * @param array $context
+     * @return void
+     */
+    public function info(string $message, array $context = []) {
+        $this->log(Util::INFO, $message, $context);
+    }
+
+    /**
+     * Detailed debug information.
+     *
+     * @param string $message
+     * @param array $context
+     * @return void
+     */
+    public function debug(string $message, array $context = []) {
+        $this->log(Util::DEBUG, $message, $context);
+    }
+
+
+    /**
+     * Logs with an arbitrary level.
+     *
+     * @param int $level
+     * @param string $message
+     * @param array $context
+     * @return void
+     */
+    public function log(int $level, string $message, array $context = []) {
+        $minLevel = $this->getLogLevel($context);
+
+        array_walk($context, [$this->normalizer, 'format']);
+
+        $app = $context['app'] ?? 'no app in context';
+
+        // interpolate $message as defined in PSR-3
+        $replace = [];
+        foreach ($context as $key => $val) {
+            $replace['{' . $key . '}'] = $val;
+        }
+        $message = strtr($message, $replace);
+
+        if ($level >= $minLevel) {
+            $this->writeLog($app, $message, $level);
+        }
+    }
+
+    private function getLogLevel($context) {
+        /**
+         * check for a special log condition - this enables an increased log on
+         * a per request/user base
+         */
+        if ($this->logConditionSatisfied === null) {
+            // default to false to just process this once per request
+            $this->logConditionSatisfied = false;
+            if (!empty($logCondition)) {
+
+                // check for secret token in the request
+                if (isset($logCondition['shared_secret'])) {
+                    $request = \OC::$server->getRequest();
+
+                    // if token is found in the request change set the log condition to satisfied
+                    if ($request && hash_equals($logCondition['shared_secret'], $request->getParam('log_secret', ''))) {
+                        $this->logConditionSatisfied = true;
+                    }
+                }
+
+                // check for user
+                if (isset($logCondition['users'])) {
+                    $user = \OC::$server->getUserSession()->getUser();
+
+                    // if the user matches set the log condition to satisfied
+                    if ($user !== null && in_array($user->getUID(), $logCondition['users'], true)) {
+                        $this->logConditionSatisfied = true;
+                    }
+                }
+            }
+        }
+
+        // if log condition is satisfied change the required log level to DEBUG
+        if ($this->logConditionSatisfied) {
+            return Util::DEBUG;
+        }
+
+        if (isset($context['app'])) {
+            $logCondition = $this->config->getValue('log.condition', []);
+            $app = $context['app'];
+
+            /**
+             * check log condition based on the context of each log message
+             * once this is met -> change the required log level to debug
+             */
+            if (!empty($logCondition)
+                && isset($logCondition['apps'])
+                && in_array($app, $logCondition['apps'], true)) {
+                return Util::DEBUG;
+            }
+        }
+
+        return min($this->config->getValue('loglevel', Util::WARN), Util::FATAL);
+    }
+
+    private function filterTrace(array $trace) {
+        $sensitiveValues = [];
+        $trace = array_map(function (array $traceLine) use (&$sensitiveValues) {
+            foreach ($this->methodsWithSensitiveParameters as $sensitiveMethod) {
+                if (strpos($traceLine['function'], $sensitiveMethod) !== false) {
+                    $sensitiveValues = array_merge($sensitiveValues, $traceLine['args']);
+                    $traceLine['args'] = ['*** sensitive parameters replaced ***'];
+                    return $traceLine;
+                }
+            }
+            return $traceLine;
+        }, $trace);
+        return array_map(function (array $traceLine) use ($sensitiveValues) {
+            $traceLine['args'] = $this->removeValuesFromArgs($traceLine['args'], $sensitiveValues);
+            return $traceLine;
+        }, $trace);
+    }
+
+    private function removeValuesFromArgs($args, $values) {
+        foreach($args as &$arg) {
+            if (in_array($arg, $values, true)) {
+                $arg = '*** sensitive parameter replaced ***';
+            } else if (is_array($arg)) {
+                $arg = $this->removeValuesFromArgs($arg, $values);
+            }
+        }
+        return $args;
+    }
+
+    /**
+     * Logs an exception very detailed
+     *
+     * @param \Exception|\Throwable $exception
+     * @param array $context
+     * @return void
+     * @since 8.2.0
+     */
+    public function logException(\Throwable $exception, array $context = []) {
+        $app = $context['app'] ?? 'no app in context';
+        $level = $context['level'] ?? Util::ERROR;
+
+        $data = [
+            'CustomMessage' => $context['message'] ?? '--',
+            'Exception' => get_class($exception),
+            'Message' => $exception->getMessage(),
+            'Code' => $exception->getCode(),
+            'Trace' => $this->filterTrace($exception->getTrace()),
+            'File' => $exception->getFile(),
+            'Line' => $exception->getLine(),
+        ];
+        if ($exception instanceof HintException) {
+            $data['Hint'] = $exception->getHint();
+        }
+
+        $minLevel = $this->getLogLevel($context);
+
+        array_walk($context, [$this->normalizer, 'format']);
+
+        if ($level >= $minLevel) {
+            if ($this->logger !== File::class) {
+                $data = json_encode($data, JSON_PARTIAL_OUTPUT_ON_ERROR);
+            }
+            $this->writeLog($app, $data, $level);
+        }
+
+        $context['level'] = $level;
+        if (!is_null($this->crashReporters)) {
+            $this->crashReporters->delegateReport($exception, $context);
+        }
+    }
+
+    /**
+     * @param string $app
+     * @param string|array $entry
+     * @param int $level
+     */
+    protected function writeLog(string $app, $entry, int $level) {
+        call_user_func([$this->logger, 'write'], $app, $entry, $level);
+    }
+
+    /**
+     * @param string $logType
+     * @return string
+     * @internal
+     */
+    public static function getLogClass(string $logType): string {
+        switch (strtolower($logType)) {
+            case 'errorlog':
+                return \OC\Log\Errorlog::class;
+            case 'syslog':
+                return \OC\Log\Syslog::class;
+            case 'file':
+                return \OC\Log\File::class;
+
+            // Backwards compatibility for old and fallback for unknown log types
+            case 'owncloud':
+            case 'nextcloud':
+            default:
+                return \OC\Log\File::class;
+        }
+    }
 }

lib/private/Log/File.php

Indentation +156 added lines, -156 removed lines

@@ -44,166 +44,166 @@
  */
 
 class File {
-	static protected $logFile;
+    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);
+    /**
+     * 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 = $defaultLogFile;
-				}
-			}
-		}
-	}
+        /**
+         * Fall back to default log file if specified logfile does not exist
+         * and can not be created.
+         */
+        if (!file_exists(self::$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|array $message
-	 * @param int $level
-	 */
-	public static function write($app, $message, $level) {
-		$config = \OC::$server->getSystemConfig();
+    /**
+     * write a message in the log
+     * @param string $app
+     * @param string|array $message
+     * @param int $level
+     */
+    public static function write($app, $message, $level) {
+        $config = \OC::$server->getSystemConfig();
 
-		// default to ISO8601
-		$format = $config->getValue('logdateformat', \DateTime::ATOM);
-		$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()) ? $request->getMethod() : '--';
-		if($config->getValue('installed', false)) {
-			$user = \OC_User::getUser() ? \OC_User::getUser() : '--';
-		} else {
-			$user = '--';
-		}
-		$userAgent = $request->getHeader('User-Agent');
-		if ($userAgent === '') {
-			$userAgent = '--';
-		}
-		$version = $config->getValue('version', '');
-		$entry = compact(
-			'reqId',
-			'level',
-			'time',
-			'remoteAddr',
-			'user',
-			'app',
-			'method',
-			'url',
-			'message',
-			'userAgent',
-			'version'
-		);
-		// PHP's json_encode only accept proper UTF-8 strings, loop over all
-		// elements to ensure that they are properly UTF-8 compliant or convert
-		// them manually.
-		foreach($entry as $key => $value) {
-			if(is_string($value)) {
-				$testEncode = json_encode($value);
-				if($testEncode === false) {
-					$entry[$key] = utf8_encode($value);
-				}
-			}
-		}
-		$entry = json_encode($entry, JSON_PARTIAL_OUTPUT_ON_ERROR);
-		$handle = @fopen(self::$logFile, 'a');
-		if ((fileperms(self::$logFile) & 0777) != 0640) {
-			@chmod(self::$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);
-		}
-	}
+        // default to ISO8601
+        $format = $config->getValue('logdateformat', \DateTime::ATOM);
+        $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()) ? $request->getMethod() : '--';
+        if($config->getValue('installed', false)) {
+            $user = \OC_User::getUser() ? \OC_User::getUser() : '--';
+        } else {
+            $user = '--';
+        }
+        $userAgent = $request->getHeader('User-Agent');
+        if ($userAgent === '') {
+            $userAgent = '--';
+        }
+        $version = $config->getValue('version', '');
+        $entry = compact(
+            'reqId',
+            'level',
+            'time',
+            'remoteAddr',
+            'user',
+            'app',
+            'method',
+            'url',
+            'message',
+            'userAgent',
+            'version'
+        );
+        // PHP's json_encode only accept proper UTF-8 strings, loop over all
+        // elements to ensure that they are properly UTF-8 compliant or convert
+        // them manually.
+        foreach($entry as $key => $value) {
+            if(is_string($value)) {
+                $testEncode = json_encode($value);
+                if($testEncode === false) {
+                    $entry[$key] = utf8_encode($value);
+                }
+            }
+        }
+        $entry = json_encode($entry, JSON_PARTIAL_OUTPUT_ON_ERROR);
+        $handle = @fopen(self::$logFile, 'a');
+        if ((fileperms(self::$logFile) & 0777) != 0640) {
+            @chmod(self::$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;
-	}
+    /**
+     * 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::$logFile;
-	}
+    /**
+     * @return string
+     */
+    public static function getLogFilePath() {
+        return self::$logFile;
+    }
 }