[svn r15467] Notices & warnings msgs avoided

main/inc/local.inc.php

@@ -3,7 +3,7 @@
 ============================================================================== 
 	Dokeos - elearning and course management software
 	
-	Copyright (c) 2004-2005 Dokeos S.A.
+	Copyright (c) 2004-2008 Dokeos SPRL
 	Copyright (c) 2003-2005 Ghent University (UGent)
 	Copyright (c) 2001 Universite catholique de Louvain (UCL)
 	Copyright (c) Hugues Peeters
@@ -20,7 +20,7 @@
 	
 	See the GNU General Public License for more details.
 	
-	Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
+	Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
 	Mail: info@dokeos.com
 ============================================================================== 
 */
@@ -168,6 +168,7 @@ $cidReq = isset($cidReq) ? Database::escape_string($cidReq) : '';
 $cidReq = isset($_GET["cidReq"]) ? Database::escape_string($_GET["cidReq"]) : $cidReq;
 
 $cidReset = isset($cidReset) ? Database::escape_string($cidReset) : '';
+
 // $cidReset can be set in URL-parameter
 $cidReset = isset($_GET["cidReq"])&&$_GET["cidReq"]!=$_SESSION['_cid'] ? Database::escape_string($_GET["cidReq"]) : $cidReset;
 
@@ -190,12 +191,10 @@ if (!empty($_SESSION['_user']['user_id']) && ! ($login || $logout))
 {
     // uid is in session => login already done, continue with this value
     $_user['user_id'] = $_SESSION['_user']['user_id'];
-
-
 }
 else
 {
-    unset($_user['user_id']); // uid not in session ? prevent any hacking
+	if (isset($_user['user_id'])){	unset($_user['user_id']); }
 
     if(isset($_POST['login']) && isset($_POST['password'])) // $login && $password are given to log in
     {
@@ -304,9 +303,17 @@ else
       	        header('location: '.$req);
     	    }
     	    else
+    	    {
+    	    	if (isset($param))
     	    	{    	    	
     	    		header('location: '.api_get_path(WEB_PATH).api_get_setting('page_after_login').$param);
     	    	}
+    	    	else
+    	    	{
+    	    		header('location: '.api_get_path(WEB_PATH).api_get_setting('page_after_login'));
+    	    	}
+    	    	
+    	    }
         }
         else // login failed, mysql_num_rows($result) <= 0
         {
@@ -902,7 +909,11 @@ if ((isset($uidReset) && $uidReset) || (isset($cidReset) && $cidReset)) // sessi
 }
 else // continue with the previous values
 {
-    $_courseUser          = $_SESSION ['_courseUser'     ];
+	if (isset($_SESSION ['_courseUser']))
+	{
+    	$_courseUser          = $_SESSION ['_courseUser'];
+	}
+    	
     $is_courseMember      = $_SESSION ['is_courseMember' ];
     $is_courseAdmin       = $_SESSION ['is_courseAdmin'  ];
     //$is_courseAllowed     = $_SESSION ['is_courseAllowed']; //deprecated
@@ -951,16 +962,28 @@ else
 //set variable according to student_view_enabled choices
 if (api_get_setting('student_view_enabled') == "true")
 {	
-	if ($_GET['isStudentView'] == 'true' and !empty($_SESSION['studentview']))
+	if (isset($_GET['isStudentView']))
+	{
+		if ($_GET['isStudentView'] == 'true') 
 		{
+			if (isset($_SESSION['studentview']))
+			{
+				if (!empty($_SESSION['studentview']))
 					// switching to studentview
 					$_SESSION['studentview'] = 'studentview';
 			}
-	elseif ($_GET['isStudentView'] == 'false' and !empty($_SESSION['studentview']))
+
+		}
+		elseif ($_GET['isStudentView'] == 'false')
+		{
+			if (isset($_SESSION['studentview']))
 			{
-		//switching to teacherview
+				if (!empty($_SESSION['studentview']))
+					// switching to teacherview
 					$_SESSION['studentview'] = 'teacherview';
 			}		
+		}		
+	}
 	elseif (!empty($_SESSION['studentview']))
 	{
 		//all is fine, no change to that, obviously