Index: temp_moodle_dev/moodle/mod/lamstwo/tooladapter_chat.php
===================================================================
diff -u
--- temp_moodle_dev/moodle/mod/lamstwo/tooladapter_chat.php	(revision 0)
+++ temp_moodle_dev/moodle/mod/lamstwo/tooladapter_chat.php	(revision 1b650de2dde80f16d0fd55714dd7fbc184b1d1cb)
@@ -0,0 +1,60 @@
+<?php
+ 	
+ 	/**
+ 	 * This page is a Moodle chat tool adapter interface for LAMS to call.  It
+ 	 * is secured by the LAMS - Moodle authentication mechanism.
+ 	 */
+ 	    include_once('../../config.php');
+ 	    include_once($CFG->libdir.'/datalib.php');
+ 	    include_once('../chat/lib.php');
+	
+ 	    $ts       = optional_param('ts', '', PARAM_TEXT);
+ 	    $username = optional_param('un', '', PARAM_TEXT);
+ 	    $hs       = optional_param('hs', '', PARAM_TEXT);
+ 	
+ 	
+ 	    if ( ! isset($CFG->lamstwo_serverid) || ! isset($CFG->lamstwo_serverkey) ) {
+ 	        header('HTTP/1.1 401 Unauthenticated');
+ 	        exit(1);
+ 	    }
+ 	    $plaintext = trim($ts).trim($username).trim($CFG->lamstwo_serverid).trim($CFG->lamstwo_serverkey);
+ 	    $hash = sha1(strtolower($plaintext));
+ 	    
+ 	     if ( $hash != $hs ){
+ 	        header('HTTP/1.1 401 Unauthenticated');
+ 	        exit(1);
+ 	    }
+		
+ 	    
+ 	   
+ 	    $method     = optional_param('method', '', PARAM_TEXT);
+ 	    $cmid       = optional_param('extToolContentID', 0, PARAM_INT);
+ 	    $sectionid  = optional_param('section', 1, PARAM_INT);
+ 	    $courseid   = optional_param('cs', 1, PARAM_INT);
+ 	    $outputname = optional_param('oname', '', PARAM_TEXT);
+ 	
+ 	    $user = get_record('user', 'username', $username);
+ 	
+ 	    switch ($method) {
+ 	        case 'clone':
+ 	            $newcmid = chat_clone_instance($cmid, $sectionid, $courseid);
+ 	            echo $newcmid;
+ 	            break;
+ 	        case 'import':
+ 	            $newcmid = chat_import_instance($_FILES['upload_file']['tmp_name'], $user->id, $courseid, $sectionid);
+ 	            echo $newcmid;
+ 	            break;
+ 	        case 'export':
+ 	            chat_export_instance($cmid);
+ 	            break;
+ 	        case 'export_portfolio':
+ 	            $text = chat_export_portfolio($cmid, $user->id);
+ 	            echo $text;
+ 	            break;
+ 	        case 'output':
+ 	            $output = chat_get_tool_output($cmid, $user->id);
+ 	            echo $output;
+ 	            break;
+ 	        default:
+ 	    }
+ 	?>
\ No newline at end of file