2019-01-18 18:03:45 +01:00
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import { AfterViewInit, Component, OnInit } from '@angular/core';
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import { ActivatedRoute, Params, Router } from '@angular/router';
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import { takeUntil } from 'rxjs/operators';
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import { environment } from '../../../../environments/environment';
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import { BaseComponent } from '../../../core/common/base/base.component';
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import { AuthProvider } from '../../../core/common/enum/auth-provider';
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import { AuthService } from '../../../core/services/auth/auth.service';
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import { LoginService } from './utilities/login.service';
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/// <reference types="gapi" />
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/// <reference types="facebook-js-sdk" />
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2019-01-21 12:14:20 +01:00
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declare const gapi: any;
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declare const FB: any;
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2019-01-18 18:03:45 +01:00
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@Component({
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selector: 'app-login',
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templateUrl: './login.component.html',
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styleUrls: ['./login.component.scss']
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})
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export class LoginComponent extends BaseComponent implements OnInit, AfterViewInit {
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public auth2: any;
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private returnUrl: string;
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constructor(
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private router: Router,
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private route: ActivatedRoute,
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private loginService: LoginService,
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private authService: AuthService
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) { super(); }
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ngOnInit(): void {
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this.route.queryParams
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.pipe(takeUntil(this._destroyed))
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.subscribe((params: Params) => {
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const returnUrl = params['returnUrl'];
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if (returnUrl) { this.returnUrl = returnUrl; }
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});
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}
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ngAfterViewInit() {
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this.initProviders();
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}
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public linkedInLogin() {
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this.router.navigate(['/login/linkedin']);
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}
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public twitterLogin() {
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this.router.navigate(['/login/twitter']);
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}
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public b2AccessLogin() {
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2019-07-12 16:22:57 +02:00
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this.router.navigate(['/login/external/b2access']);
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}
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public orcidLogin() {
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this.router.navigate(['/login/external/orcid']);
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2019-01-18 18:03:45 +01:00
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}
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public hasFacebookOauth(): boolean {
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return this.hasProvider(AuthProvider.Facebook);
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}
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public hasLinkedInOauth(): boolean {
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return this.hasProvider(AuthProvider.LinkedIn);
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}
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public hasTwitterOauth(): boolean {
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return this.hasProvider(AuthProvider.Twitter);
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}
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public hasGoogleOauth(): boolean {
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return this.hasProvider(AuthProvider.Google);
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}
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public hasB2AccessOauth(): boolean {
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return this.hasProvider(AuthProvider.B2Access);
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}
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2019-07-12 16:22:57 +02:00
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public hasOrcidOauth(): boolean {
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return this.hasProvider(AuthProvider.ORCID);
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}
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2019-01-18 18:03:45 +01:00
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public initProviders() {
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if (this.hasProvider(AuthProvider.Google)) { this.initializeGoogleOauth(); }
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if (this.hasProvider(AuthProvider.Facebook)) { this.initializeFacebookOauth(); }
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}
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public hasProvider(provider: AuthProvider) {
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for (let i = 0; i < environment.loginProviders.enabled.length; i++) {
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if (provider === environment.loginProviders.enabled[i]) { return this.isProviderProperlyConfigured(provider); }
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}
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return false;
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}
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private isProviderProperlyConfigured(provider: AuthProvider) {
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switch (provider) {
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case AuthProvider.Facebook: return this.hasAllRequiredFieldsConfigured(environment.loginProviders.facebookConfiguration);
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case AuthProvider.Google: return this.hasAllRequiredFieldsConfigured(environment.loginProviders.googleConfiguration);
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case AuthProvider.LinkedIn: return this.hasAllRequiredFieldsConfigured(environment.loginProviders.linkedInConfiguration);
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case AuthProvider.Twitter: return this.hasAllRequiredFieldsConfigured(environment.loginProviders.twitterConfiguration);
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case AuthProvider.B2Access: return this.hasAllRequiredFieldsConfigured(environment.loginProviders.b2accessConfiguration);
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2019-07-12 16:22:57 +02:00
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case AuthProvider.ORCID: return this.hasAllRequiredFieldsConfigured(environment.loginProviders.orcidConfiguration);
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2019-01-18 18:03:45 +01:00
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default: throw new Error('Unsupported Provider Type');
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}
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}
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private hasAllRequiredFieldsConfigured(configuration: any) {
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if (configuration != null && configuration.clientId != null) { return true; }
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return false;
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}
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/*
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* GOOGLE SIGN IN
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*/
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private initializeGoogleOauth(): void {
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gapi.load('auth2', () => {
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this.auth2 = gapi.auth2.init({
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client_id: environment.loginProviders.googleConfiguration.clientId,
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scope: 'profile email'
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});
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this.attachGoogleSignΙn(document.getElementById('googleSignInButton'));
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});
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}
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public attachGoogleSignΙn(element) {
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if (!element) { return; }
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this.auth2.attachClickHandler(element, {},
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(googleUser) => {
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const id_token = googleUser.getAuthResponse().id_token;
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if (id_token) {
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this.authService.login({ ticket: id_token, provider: AuthProvider.Google })
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.pipe(takeUntil(this._destroyed))
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.subscribe(
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res => this.loginService.onLogInSuccess(res, this.returnUrl),
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error => this.loginService.onLogInError(error)
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);
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}
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}, (error) => {
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});
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}
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/*
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* FACEBOOK SIGN IN
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*/
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private initializeFacebookOauth(): void {
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FB.init({
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appId: environment.loginProviders.facebookConfiguration.clientId,
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cookie: false,
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xfbml: true,
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version: 'v2.8'
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});
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}
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public facebookLogin() {
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FB.login((response: any) => {
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if (response.status === 'connected' || 'not_authorized') {
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this.authService.login({ ticket: response.authResponse.accessToken, provider: AuthProvider.Facebook })
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.pipe(takeUntil(this._destroyed))
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.subscribe(
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res => this.loginService.onLogInSuccess(res, this.returnUrl),
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error => this.loginService.onLogInError(error)
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);
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}
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}, { scope: 'user_friends,email' });
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}
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}
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