MOSIP-27524 added with credentials

src/app/landing-page/landing-page.component.ts

@@ -2,6 +2,7 @@ import { Component, OnInit } from '@angular/core';
 import { Router } from '@angular/router';
 import { HttpClient } from '@angular/common/http';
 import { AppConfigService } from '../app-config.service';
+import { Subscription } from 'rxjs';
 
 @Component({
   selector: 'app-landing-page',
@@ -10,30 +11,51 @@ import { AppConfigService } from '../app-config.service';
 })
 export class LandingPageComponent implements OnInit {
   showLandingPage = false;
+  subscriptions: Subscription[] = [];
+
   constructor(private router: Router, private http: HttpClient, private appConfigService: AppConfigService,) { }
 
   async ngOnInit() {
     this.showLandingPage = false;
-    await this.http
-      .get(
-        `${this.appConfigService.getConfig().SERVICES_BASE_URL
-        }authorize/admin/validateToken`
-      ).subscribe(async (res: any) => {
-        console.log(res);
-        if (res && res.errors.length == 0) {
-          await this.router.navigateByUrl(`toolkit`);
-        } else {
-          this.showLandingPage = true;
-        }
-      },
-      (errors) => {
-        this.showLandingPage = true;
-      }
-      );
+    console.log(`LandingPageComponent: ngOnInit: this.showLandingPage : ${this.showLandingPage}`);
+    let flag = await this.isUserAuthenticated();
+    if (flag) {
+      await this.router.navigateByUrl(`toolkit`);
+    }
+    console.log(`LandingPageComponent: ngOnInit: complete`);
+  }
 
+  async isUserAuthenticated() {
+    return new Promise((resolve, reject) => {
+      this.subscriptions.push(
+        this.http.get(`${this.appConfigService.getConfig().SERVICES_BASE_URL
+          }authorize/admin/validateToken`).subscribe(
+            (res: any) => {
+              console.log(res);
+              if (res && res.errors && res.errors.length == 0) {
+                console.log(`LandingPageComponent: redirecting to toolkit`);
+                resolve(true);
+              } else {
+                console.log(`LandingPageComponent: redirecting to landing`);
+                this.showLandingPage = true;
+                resolve(false);
+              }
+            },
+            (errors) => {
+              this.showLandingPage = true;
+              console.log(`LandingPageComponent: errors: this.showLandingPage : ${this.showLandingPage}`);
+              resolve(false);
+            }
+          )
+      );
+    });
   }
 
   async doLogin() {
     await this.router.navigate([`toolkit`]);
   }
+
+  ngOnDestroy(): void {
+    this.subscriptions.forEach((subscription) => subscription.unsubscribe());
+  }
 }