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