[Library | Trunk]: Add unauthorized whitelist to avoid logout in certain calls

git-svn-id: https://svn.driver.research-infrastructures.eu/driver/dnet40/modules/uoa-services-library/trunk/ng-openaire-library/src/app@59965 d315682c-612b-4755-9ff5-7f18f6832af3

error-interceptor.service.ts

@@ -6,24 +6,33 @@ import {Session} from "./login/utils/helper.class";
 import {Router} from "@angular/router";
 import {LoginErrorCodes} from "./login/utils/guardHelper.class";
 import {properties} from "../../environments/environment";
+import {isArray} from "util";
+import {element} from "@angular/core/src/render3";
 
 @Injectable()
 export class ErrorInterceptorService implements HttpInterceptor {
   
+  private static UNAUTHORIZED_WHITELIST = [properties.userInfoUrl];
+  
   constructor(private router: Router) {
   }
   
   intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
     return next.handle(req).pipe(catchError(err => {
-      if ((err.status === 0 && this.isRegistryService(req)) || err.status === 401 || err.status === 403) {
+      if ((err.status === 0 && this.isService(req, properties.registryUrl)) ||
+        (err.status === 401 && !this.isService(req, ErrorInterceptorService.UNAUTHORIZED_WHITELIST)) || err.status === 403) {
         this.logOut();
       }
       return throwError(err);
     }));
   }
   
-  isRegistryService(req: HttpRequest<any>):boolean {
+  isService(req: HttpRequest<any>, service: string | string[]):boolean {
-    return req.url.indexOf(properties.registryUrl) !== -1;
+    if(isArray(service)) {
+      return !!service.find(element => req.url.indexOf(element) !== -1);
+    } else {
+      return req.url.indexOf(service) !== -1;
+    }
   }
   
   logOut() {

services/user-management.service.ts

@@ -62,6 +62,11 @@ export class UserManagementService{
         if(resolve) {
           resolve();
         }
+      }, error => {
+       this.getUserInfoSubject.next(null);
+       if(resolve) {
+         resolve();
+       }
      });
     }
   }