From a928fdfd5ade155154377b9853c82fcfdb45bc4d Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <duesterhus@woltlab.com>
Date: Wed, 17 Jun 2015 23:06:06 +0200
Subject: [PATCH] Add basic implementation of PhpEmailTransport

---
 .../transport/PhpEmailTransport.class.php     | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 wcfsetup/install/files/lib/system/email/transport/PhpEmailTransport.class.php

diff --git a/wcfsetup/install/files/lib/system/email/transport/PhpEmailTransport.class.php b/wcfsetup/install/files/lib/system/email/transport/PhpEmailTransport.class.php
new file mode 100644
index 0000000000..6e538283de
--- /dev/null
+++ b/wcfsetup/install/files/lib/system/email/transport/PhpEmailTransport.class.php
@@ -0,0 +1,45 @@
+<?php
+namespace wcf\system\email\transport;
+use wcf\system\email\Email;
+use wcf\system\email\Mailbox;
+use wcf\util\StringUtil;
+
+/**
+ * PhpEmailTransport is an implementation of an email transport which sends emails using mail().
+ * 
+ * @author	Tim Duesterhus
+ * @copyright	2001-2015 WoltLab GmbH
+ * @license	GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package	com.woltlab.wcf
+ * @subpackage	system.email.transport
+ * @category	Community Framework
+ */
+class PhpEmailTransport implements EmailTransport {
+	/**
+	 * Delivers the given email via mail().
+	 * 
+	 * @param	\wcf\system\email\Email		$email
+	 * @param	\wcf\system\email\Mailbox	$envelopeTo
+	 */
+	public function deliver(Email $email, Mailbox $envelopeTo) {
+		$headers = array_filter($email->getHeaders(), function ($item) {
+			// filter out headers that are either
+			//   a) automatically added by PHP
+			//   b) interpreted by sendmail because of -t
+			// 
+			// The email will be slightly mangled as the result of this. In particular
+			// the 'To' and 'Cc' headers will be cleared, which makes this email appear
+			// to be sent to a single recipient only.
+			// But this is better than crippling the superior transports or special casing
+			// the PhpTransport in other classes.
+			return $item[0] !== 'subject' && $item[0] !== 'to' && $item[0] !== 'cc' && $item[0] !== 'bcc';
+		});
+		
+		$headers = implode("\r\n", array_map(function ($item) {
+			return implode(': ', $item);
+		}, $headers));
+		
+		// TODO: -f flag
+		mail($envelopeTo->getAddress(), $email->getSubject(), StringUtil::unifyNewlines($email->getBodyString()), $headers);
+	}
+}
-- 
2.20.1