1 files changed, 96 insertions, 0 deletions
diff --git a/sdnr/wt-odlux/odlux/framework/src/middleware/navigation.ts b/sdnr/wt-odlux/odlux/framework/src/middleware/navigation.ts
new file mode 100644
index 000000000..14ff09f77
--- /dev/null
+++ b/sdnr/wt-odlux/odlux/framework/src/middleware/navigation.ts
@@ -0,0 +1,96 @@
+/**
+ * ============LICENSE_START========================================================================
+ * ONAP : ccsdk feature sdnr wt odlux
+ * =================================================================================================
+ * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
+ * =================================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ * ============LICENSE_END==========================================================================
+ */
+import * as jwt from 'jsonwebtoken';
+import { History, createHashHistory } from 'history';
+
+import { User } from '../models/authentication';
+
+import { LocationChanged, NavigateToApplication } from '../actions/navigationActions';
+import { PushAction, ReplaceAction, GoAction, GoBackAction, GoForwardeAction } from '../actions/navigationActions';
+
+import { applicationManager } from '../services/applicationManager';
+import { loginUserAction, logoutUser } from '../actions/authentication';
+
+import { ApplicationStore } from '../store/applicationStore';
+import { Dispatch } from '../flux/store';
+
+export const history = createHashHistory();
+let applicationStore: ApplicationStore | null = null;
+
+const routerMiddlewareCreator = (historyParam: History) => () => (next: Dispatch): Dispatch => (action) => {
+
+  if (action instanceof NavigateToApplication) {
+    const application = applicationManager.applications && applicationManager.applications[action.applicationName];
+    if (application) {
+      const href = `/${application.path || application.name}${action.href ? '/' + action.href : ''}`.replace(/\/{2,}/i, '/');
+      if (action.replace) {
+        historyParam.replace(href, action.state);
+      } else {
+        historyParam.push(href, action.state);
+      }
+    }
+  } else if (action instanceof PushAction) {
+    historyParam.push(action.href, action.state);
+  } else if (action instanceof ReplaceAction) {
+    historyParam.replace(action.href, action.state);
+  } else if (action instanceof GoAction) {
+    historyParam.go(action.index);
+  } else if (action instanceof GoBackAction) {
+    historyParam.goBack();
+  } else if (action instanceof GoForwardeAction) {
+    historyParam.goForward();
+  } else if (action instanceof LocationChanged) {
+    // ensure user is logged in and token is valid
+    if (action.pathname.startsWith('/oauth') && (action.search.startsWith('?token='))) {
+      const ind =  action.search.lastIndexOf('token=');
+      const tokenStr = ind > -1 ? action.search.substring(ind + 6) : null;
+      const token = tokenStr && jwt.decode(tokenStr);
+      if (tokenStr && token) {
+        // @ts-ignore
+        const user = new User({ username: token.name, access_token: tokenStr, token_type: 'Bearer', expires: token.exp, issued: token.iat }) || undefined;
+        applicationStore?.dispatch(loginUserAction(user));
+      }
+    } if (!action.pathname.startsWith('/login') && applicationStore && (!applicationStore.state.framework.authenticationState.user || !applicationStore.state.framework.authenticationState.user.isValid)) {
+      historyParam.replace(`/login?returnTo=${action.pathname}`);
+      applicationStore.dispatch(logoutUser());
+    
+    } else if (action.pathname.startsWith('/login') && applicationStore && (applicationStore.state.framework.authenticationState.user && applicationStore.state.framework.authenticationState.user.isValid)) {
+      historyParam.replace('/');
+    } else {
+      return next(action);
+    }
+  } else {
+    return next(action);
+  }
+  return action;
+};
+
+const startListener = (historyParam: History, store: ApplicationStore) => {
+  store.dispatch(new LocationChanged(historyParam.location.pathname, historyParam.location.search, historyParam.location.hash));
+  historyParam.listen((location) => {
+    store.dispatch(new LocationChanged(location.pathname, location.search, location.hash));
+  });
+};
+
+export const startHistoryListener = (store: ApplicationStore) => {
+  applicationStore = store;
+  startListener(history, store);
+};
+
+export const routerMiddleware = routerMiddlewareCreator(history);
+export default routerMiddleware;