handles session timeouts in modals (#1092)

assets/js/plugins/KimaiAjaxModalForm.js

@@ -57,12 +57,9 @@ export default class KimaiAjaxModalForm extends KimaiClickHandlerReducedInTableR
 
         if (errorHandler === undefined) {
             errorHandler = function(xhr, err) {
-                if (xhr.status !== undefined && xhr.status === 403) {
-                    const alert = self.getContainer().getPlugin('alert');
-                    alert.error(xhr.statusText);
-                    return;
+                if (xhr.status === undefined || xhr.status !== 403) {
+                    window.location = url;
                 }
-                window.location = url;
             };
         }
 

assets/js/plugins/KimaiThemeInitializer.js

@@ -15,8 +15,8 @@ import KimaiPlugin from '../KimaiPlugin';
 export default class KimaiThemeInitializer extends KimaiPlugin {
 
     init() {
+        this.registerGlobalAjaxErrorHandler();
         this.registerAutomaticAlertRemove('div.alert-success', 5000);
-
         // activate the dropdown functionality
         jQuery('.dropdown-toggle').dropdown();
         // activate the tooltip functionality
@@ -25,6 +25,27 @@ export default class KimaiThemeInitializer extends KimaiPlugin {
         this.getContainer().getPlugin('form').activateForm('.content-wrapper form', 'body');
     }
 
+    /**
+     * redirect access denied / session timeouts to login page
+     */
+    registerGlobalAjaxErrorHandler() {
+        const loginUrl = this.getContainer().getConfiguration().get('login');
+        const alert = this.getContainer().getPlugin('alert');
+        const translation = this.getContainer().getTranslation().get('login.required');
+        jQuery(document).ajaxError(function(event, jqxhr, settings, thrownError) {
+            if (jqxhr.status !== undefined && jqxhr.status === 403) {
+                const loginRequired = jqxhr.getResponseHeader('login-required');
+                if (loginRequired !== null) {
+                    alert.question(translation, function (result) {
+                        if (result === true) {
+                            window.location.replace(loginUrl);
+                        }
+                    });
+                }
+            }
+        });
+    }
+
     /**
      * auto hide success messages, as they are just meant as user feedback and not as a permanent information
      *