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Diffstat (limited to 'vendor/swiftmailer/swiftmailer/lib/classes/Swift/FileSpool.php')
| -rw-r--r-- | vendor/swiftmailer/swiftmailer/lib/classes/Swift/FileSpool.php | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/vendor/swiftmailer/swiftmailer/lib/classes/Swift/FileSpool.php b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/FileSpool.php new file mode 100644 index 0000000..c82c5db --- /dev/null +++ b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/FileSpool.php @@ -0,0 +1,208 @@ +<?php + +/* + * This file is part of SwiftMailer. + * (c) 2009 Fabien Potencier <fabien.potencier@gmail.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +/** + * Stores Messages on the filesystem. + * + * @author Fabien Potencier + * @author Xavier De Cock <xdecock@gmail.com> + */ +class Swift_FileSpool extends Swift_ConfigurableSpool +{ + /** The spool directory */ + private $_path; + + /** + * File WriteRetry Limit. + * + * @var int + */ + private $_retryLimit = 10; + + /** + * Create a new FileSpool. + * + * @param string $path + * + * @throws Swift_IoException + */ + public function __construct($path) + { + $this->_path = $path; + + if (!file_exists($this->_path)) { + if (!mkdir($this->_path, 0777, true)) { + throw new Swift_IoException(sprintf('Unable to create path "%s".', $this->_path)); + } + } + } + + /** + * Tests if this Spool mechanism has started. + * + * @return bool + */ + public function isStarted() + { + return true; + } + + /** + * Starts this Spool mechanism. + */ + public function start() + { + } + + /** + * Stops this Spool mechanism. + */ + public function stop() + { + } + + /** + * Allow to manage the enqueuing retry limit. + * + * Default, is ten and allows over 64^20 different fileNames + * + * @param int $limit + */ + public function setRetryLimit($limit) + { + $this->_retryLimit = $limit; + } + + /** + * Queues a message. + * + * @param Swift_Mime_Message $message The message to store + * + * @throws Swift_IoException + * + * @return bool + */ + public function queueMessage(Swift_Mime_Message $message) + { + $ser = serialize($message); + $fileName = $this->_path.'/'.$this->getRandomString(10); + for ($i = 0; $i < $this->_retryLimit; ++$i) { + /* We try an exclusive creation of the file. This is an atomic operation, it avoid locking mechanism */ + $fp = @fopen($fileName.'.message', 'x'); + if (false !== $fp) { + if (false === fwrite($fp, $ser)) { + return false; + } + + return fclose($fp); + } else { + /* The file already exists, we try a longer fileName */ + $fileName .= $this->getRandomString(1); + } + } + + throw new Swift_IoException(sprintf('Unable to create a file for enqueuing Message in "%s".', $this->_path)); + } + + /** + * Execute a recovery if for any reason a process is sending for too long. + * + * @param int $timeout in second Defaults is for very slow smtp responses + */ + public function recover($timeout = 900) + { + foreach (new DirectoryIterator($this->_path) as $file) { + $file = $file->getRealPath(); + + if (substr($file, -16) == '.message.sending') { + $lockedtime = filectime($file); + if ((time() - $lockedtime) > $timeout) { + rename($file, substr($file, 0, -8)); + } + } + } + } + + /** + * Sends messages using the given transport instance. + * + * @param Swift_Transport $transport A transport instance + * @param string[] $failedRecipients An array of failures by-reference + * + * @return int The number of sent e-mail's + */ + public function flushQueue(Swift_Transport $transport, &$failedRecipients = null) + { + $directoryIterator = new DirectoryIterator($this->_path); + + /* Start the transport only if there are queued files to send */ + if (!$transport->isStarted()) { + foreach ($directoryIterator as $file) { + if (substr($file->getRealPath(), -8) == '.message') { + $transport->start(); + break; + } + } + } + + $failedRecipients = (array) $failedRecipients; + $count = 0; + $time = time(); + foreach ($directoryIterator as $file) { + $file = $file->getRealPath(); + + if (substr($file, -8) != '.message') { + continue; + } + + /* We try a rename, it's an atomic operation, and avoid locking the file */ + if (rename($file, $file.'.sending')) { + $message = unserialize(file_get_contents($file.'.sending')); + + $count += $transport->send($message, $failedRecipients); + + unlink($file.'.sending'); + } else { + /* This message has just been catched by another process */ + continue; + } + + if ($this->getMessageLimit() && $count >= $this->getMessageLimit()) { + break; + } + + if ($this->getTimeLimit() && (time() - $time) >= $this->getTimeLimit()) { + break; + } + } + + return $count; + } + + /** + * Returns a random string needed to generate a fileName for the queue. + * + * @param int $count + * + * @return string + */ + protected function getRandomString($count) + { + // This string MUST stay FS safe, avoid special chars + $base = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-'; + $ret = ''; + $strlen = strlen($base); + for ($i = 0; $i < $count; ++$i) { + $ret .= $base[((int) rand(0, $strlen - 1))]; + } + + return $ret; + } +} |