inc/autodiscover-handler.php

   1 <?php
   2 /**
   3  * Errors are sent as an XML document.
   4  * @param int $code
   5  * @param string $message
   6  * @param string $debugdata
   7  */
   8
   9 require_once('HTTPAuthSession.php');
  10 $session = new HTTPAuthSession();
  11
  12 require_once('CalDAVRequest.php');
  13 $request = new CalDAVRequest();
  14
  15 if ( !isset($c->enable_autodiscover) || ! $c->enable_autodiscover ) {
  16   $request->DoResponse( 404 );
  17   exit(0); // unneccessary
  18 }
  19
  20 $ns_outlook_req_2006 = "http://schemas.microsoft.com/exchange/autodiscover/outlook/requestschema/2006";
  21 $ns_exchange_resp_2006 = "http://schemas.microsoft.com/exchange/autodiscover/responseschema/2006";
  22 $ns_outlook_resp_2006a = "http://schemas.microsoft.com/exchange/autodiscover/outlook/responseschema/2006a";
  23
  24 function errorResponse( $code, $message, $debugdata = '' ) {
  25   global $request, $ns_exchange_resp_2006;
  26
  27   $error_time_id = time();
  28   $error_time = gmdate('h:i:s', $error_time_id);
  29   $response = <<<ERROR
  30 <?xml version="1.0" encoding="utf-8" ?>
  31 <Autodiscover xmlns="$ns_exchange_resp_2006">
  32  <Response>
  33   <Error Time="$error_time" Id="$error_time_id">
  34    <ErrorCode>$code</ErrorCode>
  35    <Message>$message</Message>
  36    <DebugData>$debugdata</DebugData>
  37   </Error>
  38  </Response>
  39 </Autodiscover>
  40 ERROR;
  41
  42   $request->DoResponse( $code, $response, 'text/xml; charset="utf-8"' );
  43   exit(0); // unneccessary
  44 }
  45
  46
  47 if ( !isset($request->xml_tags) )
  48   errorResponse( 406, translate("Body contains no XML data!") );
  49
  50 $position = 0;
  51 $xmltree = BuildXMLTree( $request->xml_tags, $position);
  52 if ( !is_object($xmltree) )
  53   errorResponse( 406, translate("REPORT body is not valid XML data!") );
  54
  55 $user_email = $xmltree->GetPath(
  56 '/'.$ns_outlook_req_2006.':Autodiscover'.
  57 '/'.$ns_outlook_req_2006.':Request'.
  58 '/'.$ns_outlook_req_2006.':EMailAddress');
  59 if ( count($user_email) < 1 ) errorResponse(500,"User not found.");
  60 $user_email = $user_email[0]->GetContent();
  61
  62 $principal = new Principal();
  63
  64 $reply = new XMLDocument( array( $ns_outlook_resp_2006a => "" ) );
  65 $response = array(
  66   new XMLElement( 'User',
  67     array(
  68       new XMLElement( 'DisplayName', $principal->$fullname ),
  69       new XMLElement('AutoDiscoverSMTPAddress',$user_email),
  70     )
  71   )
  72 );
  73
  74 $response[] = new XMLElement('Account',
  75   array(
  76     new XMLElement( 'AccountType', 'email' ),  // The only allowed accounttype
  77     new XMLElement('Action','settings'),
  78     new XMLElement('Protocol',
  79       array(
  80         new XMLElement('Type', 'DAV'),
  81         new XMLElement('Server', $c->domain_name ),
  82         new XMLElement('LoginName', $principal->username())
  83       )
  84     )
  85   )
  86 );
  87
  88 $autodiscover = new XMLElement( "Autodiscover", $responses, $reply->GetXmlNsArray(), $ns_exchange_resp_2006 );
  89
  90 $request->XMLResponse( 207, $autodiscover );