ZP-1130 Improve default autodiscover config.

Added ZPUSH_HOST constant to autodiscover config. If it is not defined,
try to guess the server from $_SERVER['HTTP_HOST'] or
$_SERVER['SERVER_NAME'].

Released under the Affero GNU General Public License (AGPL) version 3.

src/autodiscover/autodiscover.php

@@ -221,11 +221,13 @@ class ZPushAutodiscover {
      */
     private function createResponse($email, $userFullname) {
         $xml = file_get_contents('response.xml');
+        $zpushHost = defined('ZPUSH_HOST') ? ZPUSH_HOST : ( $_SERVER['HTTP_HOST'] ? : $_SERVER['SERVER_NAME']);
+        $serverUrl = "https://" . $zpushHost . "/Microsoft-Server-ActiveSync";
         $response = new SimpleXMLElement($xml);
         $response->Response->User->DisplayName = $userFullname;
         $response->Response->User->EMailAddress = $email;
-        $response->Response->Action->Settings->Server->Url = SERVERURL;
-        $response->Response->Action->Settings->Server->Name = SERVERURL;
+        $response->Response->Action->Settings->Server->Url = $serverUrl;
+        $response->Response->Action->Settings->Server->Name = $serverUrl;
         $response = $response->asXML();
         ZLog::Write(LOGLEVEL_WBXML, sprintf("ZPushAutodiscover->createResponse() XML response:%s%s", PHP_EOL, $response));
         return $response;

src/autodiscover/config.php

@@ -26,15 +26,16 @@
 /**********************************************************************************
  *  Default settings
  */
+
+    // Replace zpush.example.com with your z-push's host name and uncomment the line below.
+    // define('ZPUSH_HOST', 'zpush.example.com');
+
     // Defines the default time zone, change e.g. to "Europe/London" if necessary
     define('TIMEZONE', '');
 
     // Defines the base path on the server
     define('BASE_PATH', dirname($_SERVER['SCRIPT_FILENAME']). '/');
 
-    // The Z-Push server location for the autodiscover response
-    define('SERVERURL', 'https://localhost/Microsoft-Server-ActiveSync');
-
     /*
      * Whether to use the complete email address as a login name
      * (e.g. user@company.com) or the username only (user).