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<?php |
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/*! |
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* Hybridauth |
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* https://hybridauth.github.io | https://github.com/hybridauth/hybridauth |
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* (c) 2017 Hybridauth authors | https://hybridauth.github.io/license.html |
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*/ |
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|
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namespace Hybridauth\Logger; |
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|
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use Hybridauth\Exception\RuntimeException; |
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use Hybridauth\Exception\InvalidArgumentException; |
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|
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/** |
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* Debugging and Logging utility. |
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*/ |
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class Logger implements LoggerInterface |
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{ |
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const NONE = 'none'; // turn logging off |
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const DEBUG = 'debug'; // debug, info and error messages |
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const INFO = 'info'; // info and error messages |
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const ERROR = 'error'; // only error messages |
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|
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/** |
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* Debug level. |
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* |
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* One of Logger::NONE, Logger::DEBUG, Logger::INFO, Logger::ERROR |
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* |
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* @var string |
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*/ |
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protected $level; |
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|
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/** |
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* Path to file writeable by the web server. Required if $this->level !== Logger::NONE. |
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* |
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* @var string |
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*/ |
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protected $file; |
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|
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/** |
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* @param bool|string $level One of Logger::NONE, Logger::DEBUG, Logger::INFO, Logger::ERROR |
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* @param string $file File where to write messages |
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* |
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* @throws InvalidArgumentException |
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* @throws RuntimeException |
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*/ |
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public function __construct($level, $file) |
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{ |
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$this->level = self::NONE; |
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|
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if ($level && $level !== self::NONE) { |
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$this->initialize($file); |
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|
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$this->level = $level === true ? Logger::DEBUG : $level; |
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$this->file = $file; |
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} |
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} |
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|
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/** |
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* @param string $file |
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* |
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* @throws InvalidArgumentException |
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* @throws RuntimeException |
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*/ |
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protected function initialize($file) |
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{ |
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if (!$file) { |
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throw new InvalidArgumentException('Log file is not specified.'); |
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} |
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|
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if (!file_exists($file) && !touch($file)) { |
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throw new RuntimeException(sprintf('Log file %s can not be created.', $file)); |
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} |
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|
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if (!is_writable($file)) { |
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throw new RuntimeException(sprintf('Log file %s is not writeable.', $file)); |
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} |
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} |
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|
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/** |
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* @inheritdoc |
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*/ |
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public function info($message, array $context = []) |
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{ |
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if (!in_array($this->level, [self::DEBUG, self::INFO])) { |
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return; |
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} |
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|
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$this->log(self::INFO, $message, $context); |
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} |
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|
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/** |
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* @inheritdoc |
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*/ |
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public function debug($message, array $context = []) |
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{ |
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if (!in_array($this->level, [self::DEBUG])) { |
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return; |
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} |
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|
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$this->log(self::DEBUG, $message, $context); |
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} |
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|
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/** |
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* @inheritdoc |
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*/ |
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public function error($message, array $context = []) |
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{ |
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if (!in_array($this->level, [self::DEBUG, self::INFO, self::ERROR])) { |
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return; |
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} |
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|
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$this->log(self::ERROR, $message, $context); |
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} |
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|
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/** |
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* @inheritdoc |
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*/ |
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public function log($level, $message, array $context = []) |
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{ |
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$datetime = new \DateTime(); |
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$datetime = $datetime->format(DATE_ATOM); |
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|
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$content = sprintf('%s -- %s -- %s -- %s', $level, $_SERVER['REMOTE_ADDR'], $datetime, $message); |
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$content .= ($context ? "\n" . print_r($context, true) : ''); |
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$content .= "\n"; |
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|
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file_put_contents($this->file, $content, FILE_APPEND); |
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} |
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} |
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|
