Added CORS(Cross-Origin Resource Sharing) support for the VICIdial agent PHP scripts. see the CORS_SUPPORT.txt doc for more information.

git-svn-id: svn://192.168.202.10@3459 3d104415-ff17-0410-8863-d5cf3c621b8a

agc_2-X/trunk/www/agc/vdc_chat_display.php

@@ -1,7 +1,7 @@
 <?php
 # vdc_chat_display.php
 #
-# Copyright (C) 2020  Joe Johnson, Matt Florell <vicidial@gmail.com>    LICENSE: AGPLv2
+# Copyright (C) 2021  Joe Johnson, Matt Florell <vicidial@gmail.com>    LICENSE: AGPLv2
 #
 # This is the interface for agents to chat with customers and each other.  It's separate from the manager-to-agent 
 # chat interface out of necessity and calls the chat_db_query.php page to send information and display it.  It will
@@ -19,11 +19,14 @@
 # 170528-1001 - Added variable filtering
 # 190902-0914 - Fix for PHP 7.2
 # 201117-2207 - Changes for better compatibility with non-latin data input
+# 210616-2040 - Added optional CORS support, see options.php for details
 #
 
 require("dbconnect_mysqli.php");
 require("functions.php");
 
+$php_script = 'vdc_chat_display.php';
+
 $MT[0]='';
 $chat_group_ids=$MT;
 
@@ -86,6 +89,13 @@ $VUselected_language = $SSdefault_language;
 ##### END SETTINGS LOOKUP #####
 ###########################################
 
+# if options file exists, use the override values for the above variables
+#   see the options-example.php file for more information
+if (file_exists('options.php'))
+	{
+	require_once('options.php');
+	}
+
 header ("Content-type: text/html; charset=utf-8");
 header ("Cache-Control: no-cache, must-revalidate");  // HTTP/1.1
 header ("Pragma: no-cache");                          // HTTP/1.0