1 files changed, 47 insertions, 0 deletions
diff --git a/src/app/services/authconfig.service.ts b/src/app/services/authconfig.service.ts
new file mode 100644
index 0000000..5ced9a1
--- /dev/null
+++ b/src/app/services/authconfig.service.ts
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2022. Deutsche Telekom AG
+ *
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+
+import { Injectable } from '@angular/core';
+import { AuthConfig, NullValidationHandler, OAuthService } from 'angular-oauth2-oidc';
+
+@Injectable()
+export class AuthConfigService {
+  constructor(private readonly oauthService: OAuthService, private readonly authConfig: AuthConfig) {}
+
+  async initAuth(): Promise<any> {
+    return new Promise<void>((resolveFn, rejectFn) => {
+      // setup oauthService
+      this.oauthService.configure(this.authConfig);
+      this.oauthService.tokenValidationHandler = new NullValidationHandler();
+
+      this.oauthService.loadDiscoveryDocumentAndLogin().then(isLoggedIn => {
+        if (isLoggedIn) {
+          this.oauthService.setupAutomaticSilentRefresh();
+          resolveFn();
+        } else {
+          this.oauthService.initImplicitFlow();
+          rejectFn();
+        }
+      }).catch(() => {
+        //@ts-ignore
+        window.location.href = './keycloak-error.html'
+      });
+    });
+  }
+}