/**
* Send an iTip mail message
*
* @param array Event object to send
* @param string iTip method (REQUEST|REPLY|CANCEL)
* @param array Hash array with recipient data (name, email)
* @param string Mail subject
* @param string Mail body text label
* @param object Mail_mime object with message data
* @param boolean Request RSVP
* @return boolean True on success, false on failure
*/
public function send_itip_message($event, $method, $recipient, $subject, $bodytext, $message = null, $rsvp = true)
{
if (!$this->sender['name']) {
$this->sender['name'] = $this->sender['email'];
}
if (!$message) {
libcalendaring::identify_recurrence_instance($event);
$message = $this->compose_itip_message($event, $method, $rsvp);
}
$mailto = rcube_utils::idn_to_ascii($recipient['email']);
$headers = $message->headers();
$headers['To'] = format_email_recipient($mailto, $recipient['name']);
$headers['Subject'] = $this->gettext(array('name' => $subject, 'vars' => array('title' => $event['title'], 'name' => $this->sender['name'])));
// compose a list of all event attendees
$attendees_list = array();
foreach ((array) $event['attendees'] as $attendee) {
$attendees_list[] = $attendee['name'] && $attendee['email'] ? $attendee['name'] . ' <' . $attendee['email'] . '>' : ($attendee['name'] ? $attendee['name'] : $attendee['email']);
}
$recurrence_info = '';
if (!empty($event['recurrence_id'])) {
$recurrence_info = "\n\n** " . $this->gettext($event['thisandfuture'] ? 'itipmessagefutureoccurrence' : 'itipmessagesingleoccurrence') . ' **';
} else {
if (!empty($event['recurrence'])) {
$recurrence_info = sprintf("\n%s: %s", $this->gettext('recurring'), $this->lib->recurrence_text($event['recurrence']));
}
}
$mailbody = $this->gettext(array('name' => $bodytext, 'vars' => array('title' => $event['title'], 'date' => $this->lib->event_date_text($event, true) . $recurrence_info, 'attendees' => join(",\n ", $attendees_list), 'sender' => $this->sender['name'], 'organizer' => $this->sender['name'])));
// if (!empty($event['comment'])) {
// $mailbody .= "\n\n" . $this->gettext('itipsendercomment') . $event['comment'];
// }
// append links for direct invitation replies
if ($method == 'REQUEST' && $rsvp && ($token = $this->store_invitation($event, $recipient['email']))) {
$mailbody .= "\n\n" . $this->gettext(array('name' => 'invitationattendlinks', 'vars' => array('url' => $this->plugin->get_url(array('action' => 'attend', 't' => $token)))));
} else {
if ($method == 'CANCEL' && $event['cancelled']) {
$this->cancel_itip_invitation($event);
}
}
$message->headers($headers, true);
$message->setTXTBody(rcube_mime::format_flowed($mailbody, 79));
if ($this->rc->config->get('libcalendaring_itip_debug', false)) {
rcmail::console('iTip ' . $method, $message->txtHeaders() . "\n\r" . $message->get());
}
// finally send the message
$this->itip_send = true;
$sent = $this->rc->deliver_message($message, $headers['X-Sender'], $mailto, $smtp_error);
$this->itip_send = false;
return $sent;
}
/**
* Send out an invitation/notification to all event attendees
*/
private function notify_attendees($event, $old, $action = 'edit', $comment = null, $rsvp = null)
{
if ($action == 'remove' || $event['status'] == 'CANCELLED' && $old['status'] != $event['status']) {
$event['cancelled'] = true;
$is_cancelled = true;
}
if ($rsvp === null) {
$rsvp = !$old || $event['sequence'] > $old['sequence'];
}
$itip = $this->load_itip();
$emails = $this->get_user_emails();
$itip_notify = (int) $this->rc->config->get('calendar_itip_send_option', $this->defaults['calendar_itip_send_option']);
// add comment to the iTip attachment
$event['comment'] = $comment;
// set a valid recurrence-id if this is a recurrence instance
libcalendaring::identify_recurrence_instance($event);
// compose multipart message using PEAR:Mail_Mime
$method = $action == 'remove' ? 'CANCEL' : 'REQUEST';
$message = $itip->compose_itip_message($event, $method, $rsvp);
// list existing attendees from $old event
$old_attendees = array();
foreach ((array) $old['attendees'] as $attendee) {
$old_attendees[] = $attendee['email'];
}
// send to every attendee
$sent = 0;
$current = array();
foreach ((array) $event['attendees'] as $attendee) {
$current[] = strtolower($attendee['email']);
// skip myself for obvious reasons
if (!$attendee['email'] || in_array(strtolower($attendee['email']), $emails)) {
continue;
}
// skip if notification is disabled for this attendee
if ($attendee['noreply'] && $itip_notify & 2) {
continue;
}
// skip if this attendee has delegated and set RSVP=FALSE
if ($attendee['status'] == 'DELEGATED' && $attendee['rsvp'] === false) {
continue;
}
// which template to use for mail text
$is_new = !in_array($attendee['email'], $old_attendees);
$is_rsvp = $is_new || $event['sequence'] > $old['sequence'];
$bodytext = $is_cancelled ? 'eventcancelmailbody' : ($is_new ? 'invitationmailbody' : 'eventupdatemailbody');
$subject = $is_cancelled ? 'eventcancelsubject' : ($is_new ? 'invitationsubject' : ($event['title'] ? 'eventupdatesubject' : 'eventupdatesubjectempty'));
$event['comment'] = $comment;
// finally send the message
if ($itip->send_itip_message($event, $method, $attendee, $subject, $bodytext, $message, $is_rsvp)) {
$sent++;
} else {
$sent = -100;
}
}
// TODO: on change of a recurring (main) event, also send updates to differing attendess of recurrence exceptions
// send CANCEL message to removed attendees
foreach ((array) $old['attendees'] as $attendee) {
if ($attendee['role'] == 'ORGANIZER' || !$attendee['email'] || in_array(strtolower($attendee['email']), $current)) {
continue;
}
$vevent = $old;
$vevent['cancelled'] = $is_cancelled;
$vevent['attendees'] = array($attendee);
$vevent['comment'] = $comment;
if ($itip->send_itip_message($vevent, 'CANCEL', $attendee, 'eventcancelsubject', 'eventcancelmailbody')) {
$sent++;
} else {
$sent = -100;
}
}
return $sent;
}
/**
* Convert sql record into a rcube style event object
*/
private function _read_postprocess($event)
{
$free_busy_map = array_flip($this->free_busy_map);
$sensitivity_map = array_flip($this->sensitivity_map);
$event['id'] = $event['event_id'];
$event['start'] = new DateTime($event['start']);
$event['end'] = new DateTime($event['end']);
$event['allday'] = intval($event['all_day']);
$event['created'] = new DateTime($event['created']);
$event['changed'] = new DateTime($event['changed']);
$event['free_busy'] = $free_busy_map[$event['free_busy']];
$event['sensitivity'] = $sensitivity_map[$event['sensitivity']];
$event['calendar'] = $event['calendar_id'];
$event['recurrence_id'] = intval($event['recurrence_id']);
$event['isexception'] = intval($event['isexception']);
// parse recurrence rule
if ($event['recurrence'] && preg_match_all('/([A-Z]+)=([^;]+);?/', $event['recurrence'], $m, PREG_SET_ORDER)) {
$event['recurrence'] = array();
foreach ($m as $rr) {
if (is_numeric($rr[2])) {
$rr[2] = intval($rr[2]);
} else {
if ($rr[1] == 'UNTIL') {
$rr[2] = date_create($rr[2]);
} else {
if ($rr[1] == 'RDATE') {
$rr[2] = array_map('date_create', explode(',', $rr[2]));
} else {
if ($rr[1] == 'EXDATE') {
$rr[2] = array_map('date_create', explode(',', $rr[2]));
}
}
}
}
$event['recurrence'][$rr[1]] = $rr[2];
}
}
if ($event['recurrence_id']) {
libcalendaring::identify_recurrence_instance($event);
}
if (strlen($event['instance'])) {
$event['_instance'] = $event['instance'];
if (empty($event['recurrence_id'])) {
$event['recurrence_date'] = rcube_utils::anytodatetime($event['_instance'], $event['start']->getTimezone());
}
}
if ($event['_attachments'] > 0) {
$event['attachments'] = (array) $this->list_attachments($event);
}
// decode serialized event attendees
if (strlen($event['attendees'])) {
$event['attendees'] = $this->unserialize_attendees($event['attendees']);
} else {
$event['attendees'] = array();
}
// decode serialized alarms
if ($event['alarms']) {
$event['valarms'] = $this->unserialize_alarms($event['alarms']);
}
unset($event['event_id'], $event['calendar_id'], $event['notifyat'], $event['all_day'], $event['instance'], $event['_attachments']);
return $event;
}
