--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/override/RestProxy.js	Thu Mar 19 14:31:07 2015 +0100
@@ -0,0 +1,45 @@
+/* Copyright (C) 2015 by Bundesamt fuer Strahlenschutz
+ * Software engineering by Intevation GmbH
+ *
+ * This file is Free Software under the GNU GPL (v>=3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out
+ * the documentation coming with IMIS-Labordaten-Application for details.
+ */
+
+Ext.define('Lada.override.RestProxy', {
+    override: 'Ext.data.proxy.Rest',
+
+    buildRequest: function (operation) {
+        this.headers = { 'X-OPENID-PARAMS': Lada.openIDParams };
+        return this.callParent(arguments);
+    },
+
+    processResponse: function (success, operation, request, response, callback, scope) {
+        /* Check if we were authenticated at one point (Lada.openIDParams) and
+         * if the response means that we lost that authentcation */
+        if (Lada.openIDParams && !success && response.status == 401) {
+            var json = Ext.decode(response.responseText);
+            if (json) {
+                if (json.message === "699" || json.message === "698") {
+                    /* This is the unauthorized message with the authentication
+                     * redirect in the data */
+
+                    /* We decided to handle this with a redirect to the identity
+                     * provider. In which case we have no other option then to
+                     * handle it here with relaunch. */
+                    Ext.MessageBox.confirm('Erneutes Login erforderlich',
+                        'Der Server konnte die Anfrage nicht authentifizieren.<br/>'+
+                        'Für ein erneutes Login muss die Anwendung neu geladen werden.<br/>' +
+                        'Alle ungesicherten Daten gehen dabei verloren.<br/>' +
+                        'Soll die Anwendung jetzt neu geladen werden?', this.reload);
+                }
+            }
+        }
+        this.callParent(arguments);
+    },
+    reload: function(btn) {
+        if (btn === 'yes') {
+            location.reload();
+        }
+    }
+});