1 files changed, 213 insertions, 0 deletions
diff --git a/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Plugins/RedirectingPlugin.php b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Plugins/RedirectingPlugin.php
new file mode 100644
index 0000000..c3a1f86
--- /dev/null
+++ b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Plugins/RedirectingPlugin.php
@@ -0,0 +1,213 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Redirects all email to a single recipient.
+ *
+ * @author Fabien Potencier
+ */
+class Swift_Plugins_RedirectingPlugin implements Swift_Events_SendListener
+{
+    /**
+     * The recipient who will receive all messages.
+     *
+     * @var mixed
+     */
+    private $_recipient;
+
+    /**
+     * List of regular expression for recipient whitelisting.
+     *
+     * @var array
+     */
+    private $_whitelist = array();
+
+    /**
+     * Create a new RedirectingPlugin.
+     *
+     * @param mixed $recipient
+     * @param array $whitelist
+     */
+    public function __construct($recipient, array $whitelist = array())
+    {
+        $this->_recipient = $recipient;
+        $this->_whitelist = $whitelist;
+    }
+
+    /**
+     * Set the recipient of all messages.
+     *
+     * @param mixed $recipient
+     */
+    public function setRecipient($recipient)
+    {
+        $this->_recipient = $recipient;
+    }
+
+    /**
+     * Get the recipient of all messages.
+     *
+     * @return mixed
+     */
+    public function getRecipient()
+    {
+        return $this->_recipient;
+    }
+
+    /**
+     * Set a list of regular expressions to whitelist certain recipients.
+     *
+     * @param array $whitelist
+     */
+    public function setWhitelist(array $whitelist)
+    {
+        $this->_whitelist = $whitelist;
+    }
+
+    /**
+     * Get the whitelist.
+     *
+     * @return array
+     */
+    public function getWhitelist()
+    {
+        return $this->_whitelist;
+    }
+
+    /**
+     * Invoked immediately before the Message is sent.
+     *
+     * @param Swift_Events_SendEvent $evt
+     */
+    public function beforeSendPerformed(Swift_Events_SendEvent $evt)
+    {
+        $message = $evt->getMessage();
+        $headers = $message->getHeaders();
+
+        // conditionally save current recipients
+
+        if ($headers->has('to')) {
+            $headers->addMailboxHeader('X-Swift-To', $message->getTo());
+        }
+
+        if ($headers->has('cc')) {
+            $headers->addMailboxHeader('X-Swift-Cc', $message->getCc());
+        }
+
+        if ($headers->has('bcc')) {
+            $headers->addMailboxHeader('X-Swift-Bcc', $message->getBcc());
+        }
+
+        // Filter remaining headers against whitelist
+        $this->_filterHeaderSet($headers, 'To');
+        $this->_filterHeaderSet($headers, 'Cc');
+        $this->_filterHeaderSet($headers, 'Bcc');
+
+        // Add each hard coded recipient
+        $to = $message->getTo();
+        if (null === $to) {
+            $to = array();
+        }
+
+        foreach ((array) $this->_recipient as $recipient) {
+            if (!array_key_exists($recipient, $to)) {
+                $message->addTo($recipient);
+            }
+        }
+    }
+
+    /**
+     * Filter header set against a whitelist of regular expressions.
+     *
+     * @param Swift_Mime_HeaderSet $headerSet
+     * @param string               $type
+     */
+    private function _filterHeaderSet(Swift_Mime_HeaderSet $headerSet, $type)
+    {
+        foreach ($headerSet->getAll($type) as $headers) {
+            $headers->setNameAddresses($this->_filterNameAddresses($headers->getNameAddresses()));
+        }
+    }
+
+    /**
+     * Filtered list of addresses => name pairs.
+     *
+     * @param array $recipients
+     *
+     * @return array
+     */
+    private function _filterNameAddresses(array $recipients)
+    {
+        $filtered = array();
+
+        foreach ($recipients as $address => $name) {
+            if ($this->_isWhitelisted($address)) {
+                $filtered[$address] = $name;
+            }
+        }
+
+        return $filtered;
+    }
+
+    /**
+     * Matches address against whitelist of regular expressions.
+     *
+     * @param $recipient
+     *
+     * @return bool
+     */
+    protected function _isWhitelisted($recipient)
+    {
+        if (in_array($recipient, (array) $this->_recipient)) {
+            return true;
+        }
+
+        foreach ($this->_whitelist as $pattern) {
+            if (preg_match($pattern, $recipient)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Invoked immediately after the Message is sent.
+     *
+     * @param Swift_Events_SendEvent $evt
+     */
+    public function sendPerformed(Swift_Events_SendEvent $evt)
+    {
+        $this->_restoreMessage($evt->getMessage());
+    }
+
+    private function _restoreMessage(Swift_Mime_Message $message)
+    {
+        // restore original headers
+        $headers = $message->getHeaders();
+
+        if ($headers->has('X-Swift-To')) {
+            $message->setTo($headers->get('X-Swift-To')->getNameAddresses());
+            $headers->removeAll('X-Swift-To');
+        } else {
+            $message->setTo(null);
+        }
+
+        if ($headers->has('X-Swift-Cc')) {
+            $message->setCc($headers->get('X-Swift-Cc')->getNameAddresses());
+            $headers->removeAll('X-Swift-Cc');
+        }
+
+        if ($headers->has('X-Swift-Bcc')) {
+            $message->setBcc($headers->get('X-Swift-Bcc')->getNameAddresses());
+            $headers->removeAll('X-Swift-Bcc');
+        }
+    }
+}