Send iTIP messages if commanded from iCal

3 files changed, 151 insertions, 0 deletions

diff --git a/lib/Kolab/CalDAV/CalendarBackend.php b/lib/Kolab/CalDAV/CalendarBackend.php
index 04b1935..17fe833 100644
--- a/lib/Kolab/CalDAV/CalendarBackend.php
+++ b/lib/Kolab/CalDAV/CalendarBackend.php
@@ -790,6 +790,7 @@ class CalendarBackend extends CalDAV\Backend\AbstractBackend
 
             case 'DESCRIPTION':
             case 'LOCATION':
+            case 'URL':
                 $event[strtolower($prop->name)] = $prop->value;
                 break;
 
@@ -988,6 +989,10 @@ class CalendarBackend extends CalDAV\Backend\AbstractBackend
             }
         }
 
+        foreach ((array)$event['url'] as $url) {
+            $ve->add('URL', $url);
+        }
+
         foreach ((array)$event['links'] as $uri) {
             $ve->add('ATTACH', $uri);
         }
diff --git a/lib/Kolab/CalDAV/IMip.php b/lib/Kolab/CalDAV/IMip.php
new file mode 100644
index 0000000..a846f92
--- /dev/null
+++ b/lib/Kolab/CalDAV/IMip.php
@@ -0,0 +1,141 @@
+<?php
+
+/**
+ * Extended CalDAV IMip handler for the Kolab DAV server
+ *
+ * @author Thomas Bruederli <bruederli@kolabsys.com>
+ *
+ * Copyright (C) 2013, Kolab Systems AG <contact@kolabsys.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Kolab\CalDAV;
+
+use \rcube;
+use \rcube_utils;
+use \Mail_mime;
+
+use Sabre\VObject;
+use Sabre\CalDAV;
+use Sabre\DAV;
+
+/**
+ * iMIP handler.
+ *
+ * This class is responsible for sending out iMIP messages. iMIP is the
+ * email-based transport for iTIP. iTIP deals with scheduling operations for
+ * iCalendar objects.
+ *
+ * If you want to customize the email that gets sent out, you can do so by
+ * extending this class and overriding the sendMessage method.
+ *
+ * @copyright Copyright (C) 2007-2013 Rooftop Solutions. All rights reserved.
+ * @author Evert Pot (http://www.rooftopsolutions.nl/)
+ * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ */
+class IMip extends CalDAV\Schedule\IMip
+{
+    public function __construct()
+    {
+        
+    }
+    
+    /**
+     * Sends one or more iTip messages through email.
+     *
+     * @param string $originator Originator Email
+     * @param array $recipients Array of email addresses
+     * @param VObject\Component $vObject
+     * @param string $principal Principal Url of the originator
+     * @return void
+     */
+    public function sendMessage($originator, array $recipients, VObject\Component $vObject, $principal)
+    {
+        $ics = $vObject->serialize();
+        console(__METHOD__, $originator, $recipients, $principal, $ics);
+
+        $rcube = rcube::get_instance();
+        $sender = $rcube->user->get_identity();
+        $sender_email = $sender['email'] ?: $rcube->get_user_email();
+        $sender_name  = $sender['name']  ?: $rcube->get_user_name();
+
+        foreach($recipients as $recipient) {
+            $subject = 'KolabDAV iTIP message';
+            switch (strtoupper($vObject->METHOD)) {
+                case 'REPLY' :
+                    $subject = 'Response for: ' . $vObject->VEVENT->SUMMARY;
+                    break;
+                case 'REQUEST' :
+                    $subject = 'Invitation for: ' .$vObject->VEVENT->SUMMARY;
+                    break;
+                case 'CANCEL' :
+                    $subject = 'Cancelled event: ' . $vObject->VEVENT->SUMMARY;
+                    break;
+            }
+
+            $sender = rcube_utils::idn_to_ascii($sender_email);
+            $from = format_email_recipient($sender, $sender_name);
+            $mailto = rcube_utils::idn_to_ascii($recipient);
+
+            // compose multipart message using PEAR:Mail_Mime
+            $message = new Mail_mime("\r\n");
+            $message->setParam('text_encoding', 'quoted-printable');
+            $message->setParam('head_encoding', 'quoted-printable');
+            $message->setParam('head_charset', RCMAIL_CHARSET);
+            $message->setParam('text_charset', RCMAIL_CHARSET . ";\r\n format=flowed");
+
+            // compose common headers array
+            $headers = array(
+                'To' => $mailto,
+                'From' => $from,
+                'Date' => date('r'),
+                'Reply-To' => $originator,
+                'Message-ID' => $rcube->gen_message_id(),
+                'X-Sender' => $sender,
+                'Subject' => $subject,
+            );
+            if ($agent = $rcube->config->get('useragent'))
+                $headers['User-Agent'] = $agent;
+
+            $message->headers($headers);
+            $message->setContentType('text/calendar', array('method' => strval($vObject->method), 'charset' => RCMAIL_CHARSET));
+            $message->setTXTBody($ics);
+
+            // send message through Roundcube's SMTP feature
+            if (!$rcube->deliver_message($message, $sender, $mailto, $smtp_error)) {
+                rcube::raise_error(array(
+                    'code' => 600, 'type' => 'php',
+                    'file' => __FILE__, 'line' => __LINE__,
+                    'message' => "Failed to send iTIP message to " . $mailto),
+                    true, false);
+            }
+        }
+    }
+
+    /**
+     * This function is reponsible for sending the actual email.
+     *
+     * @param string $to Recipient email address
+     * @param string $subject Subject of the email
+     * @param string $body iCalendar body
+     * @param array $headers List of headers
+     * @return void
+     */
+    protected function mail($to, $subject, $body, array $headers)
+    {
+        //mail($to, $subject, $body, implode("\r\n", $headers));
+    }
+
+}
diff --git a/lib/Kolab/CalDAV/UserCalendars.php b/lib/Kolab/CalDAV/UserCalendars.php
index ab39185..dcd2aff 100644
--- a/lib/Kolab/CalDAV/UserCalendars.php
+++ b/lib/Kolab/CalDAV/UserCalendars.php
@@ -35,6 +35,8 @@ use Kolab\CalDAV\Calendar;
  */
 class UserCalendars extends \Sabre\CalDAV\UserCalendars implements DAV\IExtendedCollection, DAVACL\IACL
 {
+    private $outbox;
+
     /**
      * Returns a list of calendars
      *
@@ -78,6 +80,9 @@ class UserCalendars extends \Sabre\CalDAV\UserCalendars implements DAV\IExtended
      */
     public function getChild($name)
     {
+        if ($name == 'outbox') {
+            return new Schedule\Outbox($this->principalInfo['uri']);
+        }
         if ($calendar = $this->caldavBackend->getCalendarByName($name)) {
             $calendar['principaluri'] = $this->principalInfo['uri'];
             return new Calendar($this->caldavBackend, $calendar);