Merge branch 'master' into language-header

src/app/core/auth/auth.service.ts

@@ -279,18 +279,6 @@ export class AuthService {
     return observableOf(authMethods);
   }
 
-  /**
-   * Create a new user
-   * @returns {User}
-   */
-  public create(user: EPerson): Observable<EPerson> {
-    // Normally you would do an HTTP request to POST the user
-    // details and then return the new user object
-    // but, let's just return the new user for this example.
-    // this._authenticated = true;
-    return observableOf(user);
-  }
-
   /**
    * End session
    * @returns {Observable<boolean>}
@@ -555,4 +543,14 @@ export class AuthService {
     return this.getImpersonateID() === epersonId;
   }
 
+  /**
+   * Get a short-lived token for appending to download urls of restricted files
+   * Returns null if the user isn't authenticated
+   */
+  getShortlivedToken(): Observable<string> {
+    return this.isAuthenticated().pipe(
+      switchMap((authenticated) => authenticated ? this.authRequestService.getShortlivedToken() : observableOf(null))
+    );
+  }
+
 }