[ADF-3666] User Profile - Provide a way to show SSO Logged-In User (#3976)

* * Created IdentityUserService
* Created IdentityUserModel
* Added JWT lib into package.json

* * Provided a way to show SSO user info

* * Added  condition to check sso login

* * Refactored userInfo component* Updated unit tests to the recent changes

* * Created IdenityUser model
* Refactored userInfoComponent

* * Modified userInfoComponent
* Modified unit tests

* * Used Fullname pipe* Removed the logic that we had to display fullname in the ecm/bpm/identity model* Created JwtHelperService* Modified ecm/bpm services * added test cases to the identity service

* * Moved jwt service to core/service

* * Updated userInfo doc

* * Added missing return types

* * Created a mockToken* Added unit tests to the JwtHelperService* Updated identityUserService unit test

* Update jwt-helper.service.spec.ts

* * Updated bpm/ecm/identity services

lib/core/services/jwt-helper.service.spec.ts

@@ -0,0 +1,45 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { TestBed } from '@angular/core/testing';
+import { JwtHelperService } from './jwt-helper.service';
+import { mockToken } from './../mock/jwt-helper.service.spec';
+
+describe('JwtHelperService', () => {
+
+    let jwtHelperService: JwtHelperService;
+
+    beforeEach(() => {
+        TestBed.configureTestingModule({
+            providers: [JwtHelperService]
+        });
+        jwtHelperService = TestBed.get(JwtHelperService);
+    });
+
+    it('should be able to create the service', () => {
+        expect(jwtHelperService).not.toBeNull();
+        expect(jwtHelperService).toBeDefined();
+    });
+
+    it('Should decode the Jwt token', () => {
+        const result = jwtHelperService.decodeToken(mockToken);
+        expect(result).toBeDefined();
+        expect(result).not.toBeNull('');
+        expect(result['given_name']).toBe('John Doe');
+        expect(result['email']).toBe('johnDoe@gmail.com');
+    });
+});

lib/core/services/jwt-helper.service.ts

@@ -0,0 +1,62 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Injectable } from '@angular/core';
+
+@Injectable({
+    providedIn: 'root'
+})
+export class JwtHelperService {
+
+    constructor() {}
+
+    decodeToken(token): Object {
+        let parts = token.split('.');
+
+        if (parts.length !== 3) {
+            throw new Error('JWT must have 3 parts');
+        }
+
+        let decoded = this.urlBase64Decode(parts[1]);
+        if (!decoded) {
+            throw new Error('Cannot decode the token');
+        }
+
+        return JSON.parse(decoded);
+    }
+
+    private urlBase64Decode(token): string {
+        let output = token.replace(/-/g, '+').replace(/_/g, '/');
+        switch (output.length % 4) {
+            case 0: {
+                break;
+            }
+            case 2: {
+                output += '==';
+                break;
+            }
+            case 3: {
+                output += '=';
+                break;
+            }
+            default: {
+                throw new Error('Illegal base64url string!');
+            }
+        }
+        return decodeURIComponent(escape(window.atob(output)));
+    }
+}

lib/core/services/public-api.ts

@@ -50,3 +50,4 @@ export * from './search-configuration.service';
 export * from './comment-content.service';
 export * from './login-dialog.service';
 export * from './external-alfresco-api.service';
+export * from './jwt-helper.service';