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1 | import { Observable, ReplaySubject, Subject, throwError as observableThrowError } from 'rxjs' | |
2 | import { catchError, map, mergeMap, share, tap } from 'rxjs/operators' | |
3 | import { HttpClient, HttpHeaders, HttpParams } from '@angular/common/http' | |
4 | import { Injectable } from '@angular/core' | |
5 | import { Router } from '@angular/router' | |
6 | import { NotificationsService } from 'angular2-notifications' | |
7 | import { OAuthClientLocal, User as UserServerModel, UserRefreshToken } from '../../../../../shared' | |
8 | import { User } from '../../../../../shared/models/users' | |
9 | import { UserLogin } from '../../../../../shared/models/users/user-login.model' | |
10 | import { environment } from '../../../environments/environment' | |
11 | import { RestExtractor } from '../../shared/rest' | |
12 | import { AuthStatus } from './auth-status.model' | |
13 | import { AuthUser } from './auth-user.model' | |
14 | import { objectToUrlEncoded } from '@app/shared/misc/utils' | |
15 | import { peertubeLocalStorage } from '@app/shared/misc/peertube-local-storage' | |
16 | import { I18n } from '@ngx-translate/i18n-polyfill' | |
17 | import { HotkeysService, Hotkey } from 'angular2-hotkeys' | |
18 | ||
19 | interface UserLoginWithUsername extends UserLogin { | |
20 | access_token: string | |
21 | refresh_token: string | |
22 | token_type: string | |
23 | username: string | |
24 | } | |
25 | ||
26 | type UserLoginWithUserInformation = UserLoginWithUsername & User | |
27 | ||
28 | @Injectable() | |
29 | export class AuthService { | |
30 | private static BASE_CLIENT_URL = environment.apiUrl + '/api/v1/oauth-clients/local' | |
31 | private static BASE_TOKEN_URL = environment.apiUrl + '/api/v1/users/token' | |
32 | private static BASE_USER_INFORMATION_URL = environment.apiUrl + '/api/v1/users/me' | |
33 | private static LOCAL_STORAGE_OAUTH_CLIENT_KEYS = { | |
34 | CLIENT_ID: 'client_id', | |
35 | CLIENT_SECRET: 'client_secret' | |
36 | } | |
37 | ||
38 | loginChangedSource: Observable<AuthStatus> | |
39 | userInformationLoaded = new ReplaySubject<boolean>(1) | |
40 | hotkeys: Hotkey[] | |
41 | redirectUrl: string | |
42 | ||
43 | private clientId: string = peertubeLocalStorage.getItem(AuthService.LOCAL_STORAGE_OAUTH_CLIENT_KEYS.CLIENT_ID) | |
44 | private clientSecret: string = peertubeLocalStorage.getItem(AuthService.LOCAL_STORAGE_OAUTH_CLIENT_KEYS.CLIENT_SECRET) | |
45 | private loginChanged: Subject<AuthStatus> | |
46 | private user: AuthUser = null | |
47 | private refreshingTokenObservable: Observable<any> | |
48 | ||
49 | constructor ( | |
50 | private http: HttpClient, | |
51 | private notificationsService: NotificationsService, | |
52 | private hotkeysService: HotkeysService, | |
53 | private restExtractor: RestExtractor, | |
54 | private router: Router, | |
55 | private i18n: I18n | |
56 | ) { | |
57 | this.loginChanged = new Subject<AuthStatus>() | |
58 | this.loginChangedSource = this.loginChanged.asObservable() | |
59 | ||
60 | // Return null if there is nothing to load | |
61 | this.user = AuthUser.load() | |
62 | ||
63 | // Set HotKeys | |
64 | this.hotkeys = [ | |
65 | new Hotkey('m s', (event: KeyboardEvent): boolean => { | |
66 | this.router.navigate([ '/videos/subscriptions' ]) | |
67 | return false | |
68 | }, undefined, 'Go to my subscriptions'), | |
69 | new Hotkey('m v', (event: KeyboardEvent): boolean => { | |
70 | this.router.navigate([ '/my-account/videos' ]) | |
71 | return false | |
72 | }, undefined, 'Go to my videos'), | |
73 | new Hotkey('m i', (event: KeyboardEvent): boolean => { | |
74 | this.router.navigate([ '/my-account/video-imports' ]) | |
75 | return false | |
76 | }, undefined, 'Go to my imports'), | |
77 | new Hotkey('m c', (event: KeyboardEvent): boolean => { | |
78 | this.router.navigate([ '/my-account/video-channels' ]) | |
79 | return false | |
80 | }, undefined, 'Go to my channels') | |
81 | ] | |
82 | } | |
83 | ||
84 | loadClientCredentials () { | |
85 | // Fetch the client_id/client_secret | |
86 | this.http.get<OAuthClientLocal>(AuthService.BASE_CLIENT_URL) | |
87 | .pipe(catchError(res => this.restExtractor.handleError(res))) | |
88 | .subscribe( | |
89 | res => { | |
90 | this.clientId = res.client_id | |
91 | this.clientSecret = res.client_secret | |
92 | ||
93 | peertubeLocalStorage.setItem(AuthService.LOCAL_STORAGE_OAUTH_CLIENT_KEYS.CLIENT_ID, this.clientId) | |
94 | peertubeLocalStorage.setItem(AuthService.LOCAL_STORAGE_OAUTH_CLIENT_KEYS.CLIENT_SECRET, this.clientSecret) | |
95 | ||
96 | console.log('Client credentials loaded.') | |
97 | }, | |
98 | ||
99 | error => { | |
100 | let errorMessage = error.message | |
101 | ||
102 | if (error.status === 403) { | |
103 | errorMessage = this.i18n('Cannot retrieve OAuth Client credentials: {{errorText}}.\n', { errorText: error.text }) | |
104 | errorMessage += this.i18n( | |
105 | 'Ensure you have correctly configured PeerTube (config/ directory), in particular the "webserver" section.' | |
106 | ) | |
107 | } | |
108 | ||
109 | // We put a bigger timeout | |
110 | // This is an important message | |
111 | this.notificationsService.error(this.i18n('Error'), errorMessage, { timeOut: 7000 }) | |
112 | } | |
113 | ) | |
114 | } | |
115 | ||
116 | getRefreshToken () { | |
117 | if (this.user === null) return null | |
118 | ||
119 | return this.user.getRefreshToken() | |
120 | } | |
121 | ||
122 | getRequestHeaderValue () { | |
123 | const accessToken = this.getAccessToken() | |
124 | ||
125 | if (accessToken === null) return null | |
126 | ||
127 | return `${this.getTokenType()} ${accessToken}` | |
128 | } | |
129 | ||
130 | getAccessToken () { | |
131 | if (this.user === null) return null | |
132 | ||
133 | return this.user.getAccessToken() | |
134 | } | |
135 | ||
136 | getTokenType () { | |
137 | if (this.user === null) return null | |
138 | ||
139 | return this.user.getTokenType() | |
140 | } | |
141 | ||
142 | getUser () { | |
143 | return this.user | |
144 | } | |
145 | ||
146 | isLoggedIn () { | |
147 | return !!this.getAccessToken() | |
148 | } | |
149 | ||
150 | login (username: string, password: string) { | |
151 | // Form url encoded | |
152 | const body = { | |
153 | client_id: this.clientId, | |
154 | client_secret: this.clientSecret, | |
155 | response_type: 'code', | |
156 | grant_type: 'password', | |
157 | scope: 'upload', | |
158 | username, | |
159 | password | |
160 | } | |
161 | ||
162 | const headers = new HttpHeaders().set('Content-Type', 'application/x-www-form-urlencoded') | |
163 | return this.http.post<UserLogin>(AuthService.BASE_TOKEN_URL, objectToUrlEncoded(body), { headers }) | |
164 | .pipe( | |
165 | map(res => Object.assign(res, { username })), | |
166 | mergeMap(res => this.mergeUserInformation(res)), | |
167 | map(res => this.handleLogin(res)), | |
168 | catchError(res => this.restExtractor.handleError(res)) | |
169 | ) | |
170 | } | |
171 | ||
172 | logout () { | |
173 | // TODO: make an HTTP request to revoke the tokens | |
174 | this.user = null | |
175 | ||
176 | AuthUser.flush() | |
177 | ||
178 | this.setStatus(AuthStatus.LoggedOut) | |
179 | ||
180 | this.hotkeysService.remove(this.hotkeys) | |
181 | ||
182 | this.redirectUrl = null | |
183 | } | |
184 | ||
185 | refreshAccessToken () { | |
186 | if (this.refreshingTokenObservable) return this.refreshingTokenObservable | |
187 | ||
188 | console.log('Refreshing token...') | |
189 | ||
190 | const refreshToken = this.getRefreshToken() | |
191 | ||
192 | // Form url encoded | |
193 | const body = new HttpParams().set('refresh_token', refreshToken) | |
194 | .set('client_id', this.clientId) | |
195 | .set('client_secret', this.clientSecret) | |
196 | .set('response_type', 'code') | |
197 | .set('grant_type', 'refresh_token') | |
198 | ||
199 | const headers = new HttpHeaders().set('Content-Type', 'application/x-www-form-urlencoded') | |
200 | ||
201 | this.refreshingTokenObservable = this.http.post<UserRefreshToken>(AuthService.BASE_TOKEN_URL, body, { headers }) | |
202 | .pipe( | |
203 | map(res => this.handleRefreshToken(res)), | |
204 | tap(() => this.refreshingTokenObservable = null), | |
205 | catchError(err => { | |
206 | this.refreshingTokenObservable = null | |
207 | ||
208 | console.error(err) | |
209 | console.log('Cannot refresh token -> logout...') | |
210 | this.logout() | |
211 | this.router.navigate([ '/login' ]) | |
212 | ||
213 | return observableThrowError({ | |
214 | error: this.i18n('You need to reconnect.') | |
215 | }) | |
216 | }), | |
217 | share() | |
218 | ) | |
219 | ||
220 | return this.refreshingTokenObservable | |
221 | } | |
222 | ||
223 | refreshUserInformation () { | |
224 | const obj = { | |
225 | access_token: this.user.getAccessToken(), | |
226 | refresh_token: null, | |
227 | token_type: this.user.getTokenType(), | |
228 | username: this.user.username | |
229 | } | |
230 | ||
231 | this.mergeUserInformation(obj) | |
232 | .subscribe( | |
233 | res => { | |
234 | this.user.patch(res) | |
235 | this.user.save() | |
236 | ||
237 | this.userInformationLoaded.next(true) | |
238 | } | |
239 | ) | |
240 | } | |
241 | ||
242 | private mergeUserInformation (obj: UserLoginWithUsername): Observable<UserLoginWithUserInformation> { | |
243 | // User is not loaded yet, set manually auth header | |
244 | const headers = new HttpHeaders().set('Authorization', `${obj.token_type} ${obj.access_token}`) | |
245 | ||
246 | return this.http.get<UserServerModel>(AuthService.BASE_USER_INFORMATION_URL, { headers }) | |
247 | .pipe(map(res => Object.assign(obj, res))) | |
248 | } | |
249 | ||
250 | private handleLogin (obj: UserLoginWithUserInformation) { | |
251 | const hashTokens = { | |
252 | accessToken: obj.access_token, | |
253 | tokenType: obj.token_type, | |
254 | refreshToken: obj.refresh_token | |
255 | } | |
256 | ||
257 | this.user = new AuthUser(obj, hashTokens) | |
258 | this.user.save() | |
259 | ||
260 | this.setStatus(AuthStatus.LoggedIn) | |
261 | this.userInformationLoaded.next(true) | |
262 | ||
263 | this.hotkeysService.add(this.hotkeys) | |
264 | } | |
265 | ||
266 | private handleRefreshToken (obj: UserRefreshToken) { | |
267 | this.user.refreshTokens(obj.access_token, obj.refresh_token) | |
268 | this.user.save() | |
269 | } | |
270 | ||
271 | private setStatus (status: AuthStatus) { | |
272 | this.loginChanged.next(status) | |
273 | } | |
274 | } |