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<?php /** * This file is part of the Tracy (https://tracy.nette.org) * Copyright (c) 2004 David Grudl (https://davidgrudl.com) */ declare (strict_types=1); namespace RectorPrefix202208\Tracy; /** * Logger. */ class Logger implements ILogger { /** @var string|null name of the directory where errors should be logged */ public $directory; /** @var string|array|null email or emails to which send error notifications */ public $email; /** @var string|null sender of email notifications */ public $fromEmail; /** @var mixed interval for sending email is 2 days */ public $emailSnooze = '2 days'; /** @var callable handler for sending emails */ public $mailer; /** @var BlueScreen|null */ private $blueScreen; /** * @param string|array|null $email */ public function __construct(?string $directory, $email = null, ?BlueScreen $blueScreen = null) { $this->directory = $directory; $this->email = $email; $this->blueScreen = $blueScreen; $this->mailer = [$this, 'defaultMailer']; } /** * Logs message or exception to file and sends email notification. * @param mixed $message * @param string $level one of constant ILogger::INFO, WARNING, ERROR (sends email), EXCEPTION (sends email), CRITICAL (sends email) * @return string|null logged error filename */ public function log($message, $level = self::INFO) { if (!$this->directory) { throw new \LogicException('Logging directory is not specified.'); } elseif (!\is_dir($this->directory)) { throw new \RuntimeException("Logging directory '{$this->directory}' is not found or is not directory."); } $exceptionFile = $message instanceof \Throwable ? $this->getExceptionFile($message, $level) : null; $line = static::formatLogLine($message, $exceptionFile); $file = $this->directory . '/' . \strtolower($level ?: self::INFO) . '.log'; if (!@\file_put_contents($file, $line . \PHP_EOL, \FILE_APPEND | \LOCK_EX)) { // @ is escalated to exception throw new \RuntimeException("Unable to write to log file '{$file}'. Is directory writable?"); } if ($exceptionFile) { $this->logException($message, $exceptionFile); } if (\in_array($level, [self::ERROR, self::EXCEPTION, self::CRITICAL], \true)) { $this->sendEmail($message); } return $exceptionFile; } /** * @param mixed $message */ public static function formatMessage($message) : string { if ($message instanceof \Throwable) { foreach (Helpers::getExceptionChain($message) as $exception) { $tmp[] = ($exception instanceof \ErrorException ? Helpers::errorTypeToString($exception->getSeverity()) . ': ' . $exception->getMessage() : Helpers::getClass($exception) . ': ' . $exception->getMessage() . ($exception->getCode() ? ' #' . $exception->getCode() : '')) . ' in ' . $exception->getFile() . ':' . $exception->getLine(); } $message = \implode("\ncaused by ", $tmp); } elseif (!\is_string($message)) { $message = Dumper::toText($message); } return \trim($message); } /** * @param mixed $message */ public static function formatLogLine($message, ?string $exceptionFile = null) : string { return \implode(' ', [\date('[Y-m-d H-i-s]'), \preg_replace('#\\s*\\r?\\n\\s*#', ' ', static::formatMessage($message)), ' @ ' . Helpers::getSource(), $exceptionFile ? ' @@ ' . \basename($exceptionFile) : null]); } public function getExceptionFile(\Throwable $exception, string $level = self::EXCEPTION) : string { foreach (Helpers::getExceptionChain($exception) as $exception) { $data[] = [\get_class($exception), $exception->getMessage(), $exception->getCode(), $exception->getFile(), $exception->getLine(), \array_map(function (array $item) : array { unset($item['args']); return $item; }, $exception->getTrace())]; } $hash = \substr(\md5(\serialize($data)), 0, 10); $dir = \strtr($this->directory . '/', '\\/', \DIRECTORY_SEPARATOR . \DIRECTORY_SEPARATOR); foreach (new \DirectoryIterator($this->directory) as $file) { if (\strpos($file->getBasename(), $hash)) { return $dir . $file; } } return $dir . $level . '--' . \date('Y-m-d--H-i') . "--{$hash}.html"; } /** * Logs exception to the file if file doesn't exist. * @return string logged error filename */ protected function logException(\Throwable $exception, ?string $file = null) : string { $file = $file ?: $this->getExceptionFile($exception); $bs = $this->blueScreen ?: new BlueScreen(); $bs->renderToFile($exception, $file); return $file; } /** * @param mixed $message */ protected function sendEmail($message) : void { $snooze = \is_numeric($this->emailSnooze) ? $this->emailSnooze : \strtotime($this->emailSnooze) - \time(); if ($this->email && $this->mailer && @\filemtime($this->directory . '/email-sent') + $snooze < \time() && @\file_put_contents($this->directory . '/email-sent', 'sent')) { ($this->mailer)($message, \implode(', ', (array) $this->email)); } } /** * Default mailer. * @param mixed $message * @internal */ public function defaultMailer($message, string $email) : void { $host = \preg_replace('#[^\\w.-]+#', '', $_SERVER['SERVER_NAME'] ?? \php_uname('n')); $parts = \str_replace(["\r\n", "\n"], ["\n", \PHP_EOL], ['headers' => \implode("\n", ['From: ' . ($this->fromEmail ?: "noreply@{$host}"), 'X-Mailer: Tracy', 'Content-Type: text/plain; charset=UTF-8', 'Content-Transfer-Encoding: 8bit']) . "\n", 'subject' => "PHP: An error occurred on the server {$host}", 'body' => static::formatMessage($message) . "\n\nsource: " . Helpers::getSource()]); \mail($email, $parts['subject'], $parts['body'], $parts['headers']); } }
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