GUAC-586: Ensure page list tabs appear in deterministic order.

guacamole/src/main/webapp/app/navigation/directives/guacPageList.js

@@ -138,7 +138,7 @@ angular.module('navigation').directive('guacPageList', [function guacPageList()
                             name      : name,
                             url       : isCurrentPage ? currentURL : page.url,
                             className : page.className,
-                            weight    : page.weight || weight
+                            weight    : page.weight || (weight + i)
                         });
                     }
 

guacamole/src/main/webapp/app/navigation/services/userPageService.js

@@ -53,6 +53,14 @@ angular.module('navigation').factory('userPageService', ['$injector',
         url  : '/'
     });
 
+    /**
+     * The identifiers of all data sources currently available to the
+     * authenticated user.
+     *
+     * @type String[]
+     */
+    var dataSources = authenticationService.getAvailableDataSources();
+
     /**
      * Returns an appropriate home page for the current user.
      *
@@ -176,9 +184,10 @@ angular.module('navigation').factory('userPageService', ['$injector',
         var canManageSessions = [];
 
         // Inspect the contents of each provided permission set
-        angular.forEach(permissionSets, function inspectPermissions(permissions, dataSource) {
+        angular.forEach(dataSources, function inspectPermissions(dataSource) {
 
-            permissions = angular.copy(permissions);
+            // Copy permissions for current data source
+            var permissions = angular.copy(permissionSets[dataSource]);
 
             // Ignore permission to update root group
             PermissionSet.removeConnectionGroupPermission(permissions,