/usr/share/php/Sabre/CalDAV/Schedule/IMip.php is in php-horde-dav 1.0.3-2.
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The actual contents of the file can be viewed below.
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namespace Sabre\CalDAV\Schedule;
use Sabre\VObject;
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 fruux GmbH (https://fruux.com/).
* @author Evert Pot (http://evertpot.com/)
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
class IMip {
/**
* Email address used in From: header.
*
* @var string
*/
protected $senderEmail;
/**
* Creates the email handler.
*
* @param string $senderEmail. The 'senderEmail' is the email that shows up
* in the 'From:' address. This should
* generally be some kind of no-reply email
* address you own.
*/
public function __construct($senderEmail) {
$this->senderEmail = $senderEmail;
}
/**
* 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, $principal) {
foreach($recipients as $recipient) {
$to = $recipient;
$replyTo = $originator;
$subject = 'SabreDAV iTIP message';
switch(strtoupper($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;
}
$headers = array();
$headers[] = 'Reply-To: ' . $replyTo;
$headers[] = 'From: ' . $this->senderEmail;
$headers[] = 'Content-Type: text/calendar; method=' . (string)$vObject->method . '; charset=utf-8';
if (DAV\Server::$exposeVersion) {
$headers[] = 'X-Sabre-Version: ' . DAV\Version::VERSION . '-' . DAV\Version::STABILITY;
}
$vcalBody = $vObject->serialize();
$this->mail($to, $subject, $vcalBody, $headers);
}
}
// @codeCoverageIgnoreStart
// This is deemed untestable in a reasonable manner
/**
* 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));
}
// @codeCoverageIgnoreEnd
}
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