Add email notifications

1 files changed, 502 insertions, 0 deletions

diff --git a/vendor/swiftmailer/classes/Swift/Transport/AbstractSmtpTransport.php b/vendor/swiftmailer/classes/Swift/Transport/AbstractSmtpTransport.php
new file mode 100644
index 00000000..e5874d28
--- /dev/null
+++ b/vendor/swiftmailer/classes/Swift/Transport/AbstractSmtpTransport.php
@@ -0,0 +1,502 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Sends Messages over SMTP.
+ *
+ * @author     Chris Corbyn
+ */
+abstract class Swift_Transport_AbstractSmtpTransport implements Swift_Transport
+{
+    /** Input-Output buffer for sending/receiving SMTP commands and responses */
+    protected $_buffer;
+
+    /** Connection status */
+    protected $_started = false;
+
+    /** The domain name to use in HELO command */
+    protected $_domain = '[127.0.0.1]';
+
+    /** The event dispatching layer */
+    protected $_eventDispatcher;
+
+    /** Source Ip */
+    protected $_sourceIp;
+
+    /** Return an array of params for the Buffer */
+    abstract protected function _getBufferParams();
+
+    /**
+     * Creates a new EsmtpTransport using the given I/O buffer.
+     *
+     * @param Swift_Transport_IoBuffer     $buf
+     * @param Swift_Events_EventDispatcher $dispatcher
+     */
+    public function __construct(Swift_Transport_IoBuffer $buf, Swift_Events_EventDispatcher $dispatcher)
+    {
+        $this->_eventDispatcher = $dispatcher;
+        $this->_buffer = $buf;
+        $this->_lookupHostname();
+    }
+
+    /**
+     * Set the name of the local domain which Swift will identify itself as.
+     *
+     * This should be a fully-qualified domain name and should be truly the domain
+     * you're using.
+     *
+     * If your server doesn't have a domain name, use the IP in square
+     * brackets (i.e. [127.0.0.1]).
+     *
+     * @param string $domain
+     *
+     * @return Swift_Transport_AbstractSmtpTransport
+     */
+    public function setLocalDomain($domain)
+    {
+        $this->_domain = $domain;
+
+        return $this;
+    }
+
+    /**
+     * Get the name of the domain Swift will identify as.
+     *
+     * @return string
+     */
+    public function getLocalDomain()
+    {
+        return $this->_domain;
+    }
+
+    /**
+     * Sets the source IP.
+     *
+     * @param string $source
+     */
+    public function setSourceIp($source)
+    {
+        $this->_sourceIp=$source;
+    }
+
+    /**
+     * Returns the IP used to connect to the destination
+     *
+     * @return string
+     */
+    public function getSourceIp()
+    {
+        return $this->_sourceIp;
+    }
+
+    /**
+     * Start the SMTP connection.
+     */
+    public function start()
+    {
+        if (!$this->_started) {
+            if ($evt = $this->_eventDispatcher->createTransportChangeEvent($this)) {
+                $this->_eventDispatcher->dispatchEvent($evt, 'beforeTransportStarted');
+                if ($evt->bubbleCancelled()) {
+                    return;
+                }
+            }
+
+            try {
+                $this->_buffer->initialize($this->_getBufferParams());
+            } catch (Swift_TransportException $e) {
+                $this->_throwException($e);
+            }
+            $this->_readGreeting();
+            $this->_doHeloCommand();
+
+            if ($evt) {
+                $this->_eventDispatcher->dispatchEvent($evt, 'transportStarted');
+            }
+
+            $this->_started = true;
+        }
+    }
+
+    /**
+     * Test if an SMTP connection has been established.
+     *
+     * @return bool
+     */
+    public function isStarted()
+    {
+        return $this->_started;
+    }
+
+    /**
+     * Send the given Message.
+     *
+     * Recipient/sender data will be retrieved from the Message API.
+     * The return value is the number of recipients who were accepted for delivery.
+     *
+     * @param Swift_Mime_Message $message
+     * @param string[]           $failedRecipients An array of failures by-reference
+     *
+     * @return int
+     */
+    public function send(Swift_Mime_Message $message, &$failedRecipients = null)
+    {
+        $sent = 0;
+        $failedRecipients = (array) $failedRecipients;
+
+        if ($evt = $this->_eventDispatcher->createSendEvent($this, $message)) {
+            $this->_eventDispatcher->dispatchEvent($evt, 'beforeSendPerformed');
+            if ($evt->bubbleCancelled()) {
+                return 0;
+            }
+        }
+
+        if (!$reversePath = $this->_getReversePath($message)) {
+            throw new Swift_TransportException(
+                'Cannot send message without a sender address'
+                );
+        }
+
+        $to = (array) $message->getTo();
+        $cc = (array) $message->getCc();
+        $bcc = (array) $message->getBcc();
+
+        $message->setBcc(array());
+
+        try {
+            $sent += $this->_sendTo($message, $reversePath, $to, $failedRecipients);
+            $sent += $this->_sendCc($message, $reversePath, $cc, $failedRecipients);
+            $sent += $this->_sendBcc($message, $reversePath, $bcc, $failedRecipients);
+        } catch (Exception $e) {
+            $message->setBcc($bcc);
+            throw $e;
+        }
+
+        $message->setBcc($bcc);
+
+        if ($evt) {
+            if ($sent == count($to) + count($cc) + count($bcc)) {
+                $evt->setResult(Swift_Events_SendEvent::RESULT_SUCCESS);
+            } elseif ($sent > 0) {
+                $evt->setResult(Swift_Events_SendEvent::RESULT_TENTATIVE);
+            } else {
+                $evt->setResult(Swift_Events_SendEvent::RESULT_FAILED);
+            }
+            $evt->setFailedRecipients($failedRecipients);
+            $this->_eventDispatcher->dispatchEvent($evt, 'sendPerformed');
+        }
+
+        $message->generateId(); //Make sure a new Message ID is used
+
+        return $sent;
+    }
+
+    /**
+     * Stop the SMTP connection.
+     */
+    public function stop()
+    {
+        if ($this->_started) {
+            if ($evt = $this->_eventDispatcher->createTransportChangeEvent($this)) {
+                $this->_eventDispatcher->dispatchEvent($evt, 'beforeTransportStopped');
+                if ($evt->bubbleCancelled()) {
+                    return;
+                }
+            }
+
+            try {
+                $this->executeCommand("QUIT\r\n", array(221));
+            } catch (Swift_TransportException $e) {}
+
+            try {
+                $this->_buffer->terminate();
+
+                if ($evt) {
+                    $this->_eventDispatcher->dispatchEvent($evt, 'transportStopped');
+                }
+            } catch (Swift_TransportException $e) {
+                $this->_throwException($e);
+            }
+        }
+        $this->_started = false;
+    }
+
+    /**
+     * Register a plugin.
+     *
+     * @param Swift_Events_EventListener $plugin
+     */
+    public function registerPlugin(Swift_Events_EventListener $plugin)
+    {
+        $this->_eventDispatcher->bindEventListener($plugin);
+    }
+
+    /**
+     * Reset the current mail transaction.
+     */
+    public function reset()
+    {
+        $this->executeCommand("RSET\r\n", array(250));
+    }
+
+    /**
+     * Get the IoBuffer where read/writes are occurring.
+     *
+     * @return Swift_Transport_IoBuffer
+     */
+    public function getBuffer()
+    {
+        return $this->_buffer;
+    }
+
+    /**
+     * Run a command against the buffer, expecting the given response codes.
+     *
+     * If no response codes are given, the response will not be validated.
+     * If codes are given, an exception will be thrown on an invalid response.
+     *
+     * @param string   $command
+     * @param int[]    $codes
+     * @param string[] $failures An array of failures by-reference
+     *
+     * @return string
+     */
+    public function executeCommand($command, $codes = array(), &$failures = null)
+    {
+        $failures = (array) $failures;
+        $seq = $this->_buffer->write($command);
+        $response = $this->_getFullResponse($seq);
+        if ($evt = $this->_eventDispatcher->createCommandEvent($this, $command, $codes)) {
+            $this->_eventDispatcher->dispatchEvent($evt, 'commandSent');
+        }
+        $this->_assertResponseCode($response, $codes);
+
+        return $response;
+    }
+
+    /** Read the opening SMTP greeting */
+    protected function _readGreeting()
+    {
+        $this->_assertResponseCode($this->_getFullResponse(0), array(220));
+    }
+
+    /** Send the HELO welcome */
+    protected function _doHeloCommand()
+    {
+        $this->executeCommand(
+            sprintf("HELO %s\r\n", $this->_domain), array(250)
+            );
+    }
+
+    /** Send the MAIL FROM command */
+    protected function _doMailFromCommand($address)
+    {
+        $this->executeCommand(
+            sprintf("MAIL FROM: <%s>\r\n", $address), array(250)
+            );
+    }
+
+    /** Send the RCPT TO command */
+    protected function _doRcptToCommand($address)
+    {
+        $this->executeCommand(
+            sprintf("RCPT TO: <%s>\r\n", $address), array(250, 251, 252)
+            );
+    }
+
+    /** Send the DATA command */
+    protected function _doDataCommand()
+    {
+        $this->executeCommand("DATA\r\n", array(354));
+    }
+
+    /** Stream the contents of the message over the buffer */
+    protected function _streamMessage(Swift_Mime_Message $message)
+    {
+        $this->_buffer->setWriteTranslations(array("\r\n." => "\r\n.."));
+        try {
+            $message->toByteStream($this->_buffer);
+            $this->_buffer->flushBuffers();
+        } catch (Swift_TransportException $e) {
+            $this->_throwException($e);
+        }
+        $this->_buffer->setWriteTranslations(array());
+        $this->executeCommand("\r\n.\r\n", array(250));
+    }
+
+    /** Determine the best-use reverse path for this message */
+    protected function _getReversePath(Swift_Mime_Message $message)
+    {
+        $return = $message->getReturnPath();
+        $sender = $message->getSender();
+        $from = $message->getFrom();
+        $path = null;
+        if (!empty($return)) {
+            $path = $return;
+        } elseif (!empty($sender)) {
+            // Don't use array_keys
+            reset($sender); // Reset Pointer to first pos
+            $path = key($sender); // Get key
+        } elseif (!empty($from)) {
+            reset($from); // Reset Pointer to first pos
+            $path = key($from); // Get key
+        }
+
+        return $path;
+    }
+
+    /** Throw a TransportException, first sending it to any listeners */
+    protected function _throwException(Swift_TransportException $e)
+    {
+        if ($evt = $this->_eventDispatcher->createTransportExceptionEvent($this, $e)) {
+            $this->_eventDispatcher->dispatchEvent($evt, 'exceptionThrown');
+            if (!$evt->bubbleCancelled()) {
+                throw $e;
+            }
+        } else {
+            throw $e;
+        }
+    }
+
+    /** Throws an Exception if a response code is incorrect */
+    protected function _assertResponseCode($response, $wanted)
+    {
+        list($code) = sscanf($response, '%3d');
+        $valid = (empty($wanted) || in_array($code, $wanted));
+
+        if ($evt = $this->_eventDispatcher->createResponseEvent($this, $response,
+            $valid))
+        {
+            $this->_eventDispatcher->dispatchEvent($evt, 'responseReceived');
+        }
+
+        if (!$valid) {
+            $this->_throwException(
+                new Swift_TransportException(
+                    'Expected response code ' . implode('/', $wanted) . ' but got code ' .
+                    '"' . $code . '", with message "' . $response . '"',
+                    $code)
+                );
+        }
+    }
+
+    /** Get an entire multi-line response using its sequence number */
+    protected function _getFullResponse($seq)
+    {
+        $response = '';
+        try {
+            do {
+                $line = $this->_buffer->readLine($seq);
+                $response .= $line;
+            } while (null !== $line && false !== $line && ' ' != $line{3});
+        } catch (Swift_TransportException $e) {
+            $this->_throwException($e);
+        } catch (Swift_IoException $e) {
+            $this->_throwException(
+                new Swift_TransportException(
+                    $e->getMessage())
+                );
+        }
+
+        return $response;
+    }
+
+
+    /** Send an email to the given recipients from the given reverse path */
+    private function _doMailTransaction($message, $reversePath, array $recipients, array &$failedRecipients)
+    {
+        $sent = 0;
+        $this->_doMailFromCommand($reversePath);
+        foreach ($recipients as $forwardPath) {
+            try {
+                $this->_doRcptToCommand($forwardPath);
+                $sent++;
+            } catch (Swift_TransportException $e) {
+                $failedRecipients[] = $forwardPath;
+            }
+        }
+
+        if ($sent != 0) {
+            $this->_doDataCommand();
+            $this->_streamMessage($message);
+        } else {
+            $this->reset();
+        }
+
+        return $sent;
+    }
+
+    /** Send a message to the given To: recipients */
+    private function _sendTo(Swift_Mime_Message $message, $reversePath, array $to, array &$failedRecipients)
+    {
+        if (empty($to)) {
+            return 0;
+        }
+
+        return $this->_doMailTransaction($message, $reversePath, array_keys($to),
+            $failedRecipients);
+    }
+
+    /** Send a message to the given Cc: recipients */
+    private function _sendCc(Swift_Mime_Message $message, $reversePath, array $cc, array &$failedRecipients)
+    {
+        if (empty($cc)) {
+            return 0;
+        }
+
+        return $this->_doMailTransaction($message, $reversePath, array_keys($cc),
+            $failedRecipients);
+    }
+
+    /** Send a message to all Bcc: recipients */
+    private function _sendBcc(Swift_Mime_Message $message, $reversePath, array $bcc, array &$failedRecipients)
+    {
+        $sent = 0;
+        foreach ($bcc as $forwardPath => $name) {
+            $message->setBcc(array($forwardPath => $name));
+            $sent += $this->_doMailTransaction(
+                $message, $reversePath, array($forwardPath), $failedRecipients
+                );
+        }
+
+        return $sent;
+    }
+
+    /** Try to determine the hostname of the server this is run on */
+    private function _lookupHostname()
+    {
+        if (!empty($_SERVER['SERVER_NAME'])
+            && $this->_isFqdn($_SERVER['SERVER_NAME']))
+        {
+            $this->_domain = $_SERVER['SERVER_NAME'];
+        } elseif (!empty($_SERVER['SERVER_ADDR'])) {
+            $this->_domain = sprintf('[%s]', $_SERVER['SERVER_ADDR']);
+        }
+    }
+
+    /** Determine is the $hostname is a fully-qualified name */
+    private function _isFqdn($hostname)
+    {
+        // We could do a really thorough check, but there's really no point
+        if (false !== $dotPos = strpos($hostname, '.')) {
+            return ($dotPos > 0) && ($dotPos != strlen($hostname) - 1);
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Destructor.
+     */
+    public function __destruct()
+    {
+        $this->stop();
+    }
+}