1 import { Injectable } from '@angular/core';
2 import { Headers, Http, Response, URLSearchParams } from '@angular/http';
3 import { Router } from '@angular/router';
4 import { Observable } from 'rxjs/Observable';
5 import { Subject } from 'rxjs/Subject';
6 import 'rxjs/add/operator/map';
7 import 'rxjs/add/operator/mergeMap';
8 import 'rxjs/add/observable/throw';
10 import { NotificationsService } from 'angular2-notifications';
12 import { AuthStatus } from './auth-status.model';
13 import { AuthUser } from './auth-user.model';
14 // Do not use the barrel (dependency loop)
15 import { RestExtractor } from '../../shared/rest';
18 export class AuthService {
19 private static BASE_CLIENT_URL = '/api/v1/clients/local';
20 private static BASE_TOKEN_URL = '/api/v1/users/token';
21 private static BASE_USER_INFORMATIONS_URL = '/api/v1/users/me';
23 loginChangedSource: Observable<AuthStatus>;
25 private clientId: string;
26 private clientSecret: string;
27 private loginChanged: Subject<AuthStatus>;
28 private user: AuthUser = null;
32 private notificationsService: NotificationsService,
33 private restExtractor: RestExtractor,
34 private router: Router
36 this.loginChanged = new Subject<AuthStatus>();
37 this.loginChangedSource = this.loginChanged.asObservable();
39 // Fetch the client_id/client_secret
40 // FIXME: save in local storage?
41 this.http.get(AuthService.BASE_CLIENT_URL)
42 .map(this.restExtractor.extractDataGet)
43 .catch((res) => this.restExtractor.handleError(res))
46 this.clientId = result.client_id;
47 this.clientSecret = result.client_secret;
48 console.log('Client credentials loaded.');
52 let errorMessage = `Cannot retrieve OAuth Client credentials: ${error.text}. \n`;
53 errorMessage += 'Ensure you have correctly configured PeerTube (config/ directory), in particular the "webserver" section.';
55 // We put a bigger timeout
56 // This is an important message
57 this.notificationsService.error('Error', errorMessage, { timeOut: 7000 });
61 // Return null if there is nothing to load
62 this.user = AuthUser.load();
66 if (this.user === null) return null;
68 return this.user.getRefreshToken();
71 getRequestHeaderValue() {
72 return `${this.getTokenType()} ${this.getAccessToken()}`;
76 if (this.user === null) return null;
78 return this.user.getAccessToken();
82 if (this.user === null) return null;
84 return this.user.getTokenType();
92 if (this.user === null) return false;
94 return this.user.isAdmin();
98 if (this.getAccessToken()) {
105 login(username: string, password: string) {
106 let body = new URLSearchParams();
107 body.set('client_id', this.clientId);
108 body.set('client_secret', this.clientSecret);
109 body.set('response_type', 'code');
110 body.set('grant_type', 'password');
111 body.set('scope', 'upload');
112 body.set('username', username);
113 body.set('password', password);
115 let headers = new Headers();
116 headers.append('Content-Type', 'application/x-www-form-urlencoded');
122 return this.http.post(AuthService.BASE_TOKEN_URL, body.toString(), options)
123 .map(this.restExtractor.extractDataGet)
125 res.username = username;
128 .flatMap(res => this.fetchUserInformations(res))
129 .map(res => this.handleLogin(res))
130 .catch((res) => this.restExtractor.handleError(res));
134 // TODO: make an HTTP request to revoke the tokens
139 this.setStatus(AuthStatus.LoggedOut);
142 refreshAccessToken() {
143 console.log('Refreshing token...');
145 const refreshToken = this.getRefreshToken();
147 let body = new URLSearchParams();
148 body.set('refresh_token', refreshToken);
149 body.set('client_id', this.clientId);
150 body.set('client_secret', this.clientSecret);
151 body.set('response_type', 'code');
152 body.set('grant_type', 'refresh_token');
154 let headers = new Headers();
155 headers.append('Content-Type', 'application/x-www-form-urlencoded');
161 return this.http.post(AuthService.BASE_TOKEN_URL, body.toString(), options)
162 .map(this.restExtractor.extractDataGet)
163 .map(res => this.handleRefreshToken(res))
164 .catch((res: Response) => {
165 // The refresh token is invalid?
166 if (res.status === 400 && res.json() && res.json().error === 'invalid_grant') {
167 console.error('Cannot refresh token -> logout...');
169 this.router.navigate(['/login']);
171 return Observable.throw({
173 text: () => 'You need to reconnect.'
177 return this.restExtractor.handleError(res);
181 private fetchUserInformations (obj: any) {
182 // Do not call authHttp here to avoid circular dependencies headaches
184 const headers = new Headers();
185 headers.set('Authorization', `Bearer ${obj.access_token}`);
187 return this.http.get(AuthService.BASE_USER_INFORMATIONS_URL, { headers })
188 .map(res => res.json())
197 private handleLogin (obj: any) {
199 const username = obj.username;
200 const role = obj.role;
202 access_token: obj.access_token,
203 token_type: obj.token_type,
204 refresh_token: obj.refresh_token
207 this.user = new AuthUser({ id, username, role }, hashTokens);
210 this.setStatus(AuthStatus.LoggedIn);
213 private handleRefreshToken (obj: any) {
214 this.user.refreshTokens(obj.access_token, obj.refresh_token);
218 private setStatus(status: AuthStatus) {
219 this.loginChanged.next(status);