Autenticação com Basic Auth na classe authservice no método login().

src/app/services/auth.service.ts

@@ -4,6 +4,7 @@ import { HttpService } from './http.service';
 import { Router } from '@angular/router';
 import { Observable } from 'rxjs';
 import { AuthConnstants } from '../config/auth-constants';
+import axios from "axios";
 
 @Injectable({
   providedIn: 'root'
@@ -16,15 +17,45 @@ export class AuthService {
     private router: Router
     ) { }
 
-    /* login(postData: any): Observable<any> {
-      return this.httpService.post('login', postData);
-      }
+    async login(postData: any): Promise<any> {
 
-      signup(postData: any): Observable<any> {
-        return this.httpService.post('signup', postData);
-        }
+      var session_url = 'https://gpr-dev-08.gabinetedigital.local/api/v2.0/me';
+      var credentials = btoa(postData.domainName + '\\' + postData.username + ':' + postData.password); //conversão em base64 das credenciais inseridas
+      var statusresult = -1;
 
-    logout(){
+      //configuração dos headers para autênticação básica, passando as credenciais convertidas em base64
+      var config = {
+        headers: { 
+          'Authorization': 'Basic ' + credentials, 
+        },    
+      };
+        
+      await axios.get(session_url, config)
+            .then(function (response) {
+              statusresult = response.status;
+            })
+            .catch(function (error) {
+              if (error.response) {
+                statusresult = error.response.status;
+              }
+          });
+        
+          if (statusresult == 200)
+            {
+              return true;
+            }
+          else
+            if (statusresult == 401)
+              {
+                return false;
+              }
+          else
+            {
+              return false;
+            }
+    }
+
+   /* logout(){
       this.storageService.removeStorageItem(AuthConnstants.AUTH).then(res =>{
         this.router.navigate([''])
       })