Do redirect before implicit button (#6574)

* Do redirect before implicit

* Add unit to implicit and silent

* Keep the value as it was before

lib/core/login/components/login.component.spec.ts

@@ -609,14 +609,13 @@ describe('LoginComponent', () => {
         describe('implicitFlow ', () => {
 
             beforeEach(() => {
-                appConfigService.config.oauth2 = <OauthConfigModel> { implicitFlow: true };
+                appConfigService.config.oauth2 = <OauthConfigModel> { implicitFlow: true, silentLogin: false };
                 appConfigService.load();
                 alfrescoApiService.reset();
             });
 
             it('should not show login username and password if SSO implicit flow is active', async(() => {
                 spyOn(authService, 'isOauth').and.returnValue(true);
-
                 component.ngOnInit();
                 fixture.detectChanges();
 
@@ -628,6 +627,34 @@ describe('LoginComponent', () => {
                 });
             }));
 
+            it('should not render the implicitFlow button in case silentLogin is enabled', async(() => {
+                spyOn(authService, 'isOauth').and.returnValue(true);
+                appConfigService.config.oauth2 = <OauthConfigModel> { implicitFlow: true, silentLogin: true };
+
+                spyOn(component, 'redirectToImplicitLogin').and.returnValue(Promise.resolve({}));
+
+                component.ngOnInit();
+                fixture.detectChanges();
+
+                fixture.whenStable().then(() => {
+                    expect(component.implicitFlow).toBe(false);
+                    expect(component.redirectToImplicitLogin).toHaveBeenCalled();
+                });
+
+            }));
+
+            it('should render the implicitFlow button in case silentLogin is disabled', async(() => {
+                spyOn(authService, 'isOauth').and.returnValue(true);
+
+                component.ngOnInit();
+                fixture.detectChanges();
+
+                fixture.whenStable().then(() => {
+                    expect(component.implicitFlow).toBe(true);
+                });
+
+            }));
+
             it('should not show the login base auth button', async(() => {
                 spyOn(authService, 'isOauth').and.returnValue(true);
 

lib/core/login/components/login.component.ts

@@ -156,12 +156,10 @@ export class LoginComponent implements OnInit, OnDestroy {
 
             if (this.authService.isOauth()) {
                 const oauth: OauthConfigModel = this.appConfig.get<OauthConfigModel>(AppConfigValues.OAUTHCONFIG, null);
-                if (oauth && oauth.implicitFlow) {
-                    this.implicitFlow = true;
-                }
-
                 if (oauth && oauth.silentLogin) {
-                    this.alfrescoApiService.getInstance().oauth2Auth.implicitLogin();
+                    this.redirectToImplicitLogin();
+                } else if (oauth && oauth.implicitFlow) {
+                    this.implicitFlow = true;
                 }
             }
 
@@ -191,6 +189,10 @@ export class LoginComponent implements OnInit, OnDestroy {
         this.onSubmit(this.form.value);
     }
 
+    redirectToImplicitLogin() {
+        this.alfrescoApiService.getInstance().oauth2Auth.implicitLogin();
+    }
+
     /**
      * Method called on submit form
      * @param values