feat: add auth support (default and paia)

src/app/modules/auth/paia/paia-authorization-notifier.ts

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2021 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {PAIAAuthorizationListener} from './paia-authorization-listener';
+import {AuthorizationError, AuthorizationRequest} from '@openid/appauth';
+import {PAIAAuthorizationResponse} from './paia-authorization-response';
+
+export class PAIAAuthorizationNotifier {
+  // eslint-disable-next-line unicorn/no-null
+  private listener: PAIAAuthorizationListener | null = null;
+
+  setAuthorizationListener(listener: PAIAAuthorizationListener) {
+    this.listener = listener;
+  }
+
+  /**
+   * The authorization complete callback.
+   */
+  onAuthorizationComplete(
+    request: AuthorizationRequest,
+    response: PAIAAuthorizationResponse | null,
+    error: AuthorizationError | null,
+  ): void {
+    if (this.listener) {
+      // complete authorization request
+      this.listener(request, response, error);
+    }
+  }
+}