redirect to login on unauthorized ajax calls [fixes #29]

themes/grav/js/admin-all.js

@@ -49,28 +49,53 @@ $(function () {
         });
     }
 
+    var ajaxRequest = function (url, settings) {
+        settings = typeof settings === 'undefined' ? typeof url === 'string' ? {} : url : settings;
+        settings.url = typeof settings.url === 'undefined' && typeof url === 'string' ? url : settings.url;
+
+        var successHandler = typeof settings.success !== 'undefined' ? typeof settings.success === 'function' ? [ settings.success ] : settings.success : [];
+        successHandler.unshift(ajaxRequest.logoutHandler);
+        settings.success = successHandler;
+
+        return $.ajax(settings);
+    };
+    ajaxRequest.logoutHandler = function (response, status, xhr) {
+        if (response.status && (response.status === "unauthorized" || response.status === "forbidden")) {
+            document.location.href = GravAdmin.config.base_url_relative;
+            throw "Logged out";
+        }
+    };
+
     // Cache Clear
     $('[data-clear-cache]').on('click', function(e) {
 
         $(this).attr('disabled','disabled').find('> .fa').removeClass('fa-trash').addClass('fa-refresh fa-spin');
         var url = $(this).data('clearCache');
-        var jqxhr = $.getJSON(url, function(result, status) {
+
+        ajaxRequest({
+            dataType: "json",
+            url: url,
+            success: function(result, status) {
                 if (result.status == 'success') {
                     toastr.success(result.message);
                 } else {
                     toastr.error(result.message);
                 }
-        });
-        jqxhr.complete(function() {
+            }
+        }).complete(function() {
             $('[data-clear-cache]').removeAttr('disabled').find('> .fa').removeClass('fa-refresh fa-spin').addClass('fa-trash');
         });
     });
 
-    // GPM
-    $.post(window.location.href, {
+    ajaxRequest({
+        dataType: "JSON",
+        url: window.location.href,
+        method: "POST",
+        data: {
             task:   'GPM',
             action: 'getUpdates'
-    }, function (response) {
+        },
+        success: function (response) {
             if (!response.success) {
                 throw new Error(response.message);
             }
@@ -170,6 +195,6 @@ $(function () {
                     $(details).html('<p>' + icon + content + button + '</p>');
                 }
             }
-
-    }, 'json');
+        }
+    });
 });

themes/grav/templates/partials/base.html.twig

@@ -29,6 +29,7 @@
         {{ assets.css() }}
     {% endblock %}
 
+    {% include 'partials/javascript-config.html.twig' %}
     {% block javascripts %}
         {% do assets.add('jquery',101) %}
         {% do assets.addJs(theme_url~'/js/modernizr.custom.71422.js') %}

themes/grav/templates/partials/javascript-config.html.twig

@@ -0,0 +1,6 @@
+<script type="text/javascript">
+	window.GravAdmin = window.GravAdmin || {};
+	window.GravAdmin.config = {
+		base_url_relative: '{{ base_url_relative }}'
+	};
+</script>