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import { Hotkey, HotkeysService } from 'angular2-hotkeys'
import { Observable, ReplaySubject, Subject, throwError as observableThrowError } from 'rxjs'
import { catchError, map, mergeMap, share, tap } from 'rxjs/operators'
import { HttpClient, HttpHeaders, HttpParams } from '@angular/common/http'
import { Injectable } from '@angular/core'
import { Router } from '@angular/router'
import { Notifier } from '@app/core/notification/notifier.service'
import { objectToUrlEncoded, peertubeLocalStorage } from '@root-helpers/index'
import { MyUser as UserServerModel, OAuthClientLocal, User, UserLogin, UserRefreshToken } from '@shared/models'
import { environment } from '../../../environments/environment'
import { RestExtractor } from '../rest/rest-extractor.service'
import { AuthStatus } from './auth-status.model'
import { AuthUser } from './auth-user.model'
import { ScopedTokenType, ScopedToken } from '@shared/models/users/user-scoped-token'
interface UserLoginWithUsername extends UserLogin {
access_token: string
refresh_token: string
token_type: string
username: string
}
type UserLoginWithUserInformation = UserLoginWithUsername & User
@Injectable()
export class AuthService {
private static BASE_CLIENT_URL = environment.apiUrl + '/api/v1/oauth-clients/local'
private static BASE_TOKEN_URL = environment.apiUrl + '/api/v1/users/token'
private static BASE_REVOKE_TOKEN_URL = environment.apiUrl + '/api/v1/users/revoke-token'
private static BASE_SCOPED_TOKENS_URL = environment.apiUrl + '/api/v1/users/scoped-tokens'
private static BASE_USER_INFORMATION_URL = environment.apiUrl + '/api/v1/users/me'
private static LOCAL_STORAGE_OAUTH_CLIENT_KEYS = {
CLIENT_ID: 'client_id',
CLIENT_SECRET: 'client_secret'
}
loginChangedSource: Observable<AuthStatus>
userInformationLoaded = new ReplaySubject<boolean>(1)
hotkeys: Hotkey[]
private clientId: string = peertubeLocalStorage.getItem(AuthService.LOCAL_STORAGE_OAUTH_CLIENT_KEYS.CLIENT_ID)
private clientSecret: string = peertubeLocalStorage.getItem(AuthService.LOCAL_STORAGE_OAUTH_CLIENT_KEYS.CLIENT_SECRET)
private loginChanged: Subject<AuthStatus>
private user: AuthUser = null
private refreshingTokenObservable: Observable<any>
private scopedTokens: ScopedToken
constructor (
private http: HttpClient,
private notifier: Notifier,
private hotkeysService: HotkeysService,
private restExtractor: RestExtractor,
private router: Router
) {
this.loginChanged = new Subject<AuthStatus>()
this.loginChangedSource = this.loginChanged.asObservable()
// Return null if there is nothing to load
this.user = AuthUser.load()
// Set HotKeys
this.hotkeys = [
new Hotkey('m s', (event: KeyboardEvent): boolean => {
this.router.navigate([ '/videos/subscriptions' ])
return false
}, undefined, $localize`Go to my subscriptions`),
new Hotkey('m v', (event: KeyboardEvent): boolean => {
this.router.navigate([ '/my-library/videos' ])
return false
}, undefined, $localize`Go to my videos`),
new Hotkey('m i', (event: KeyboardEvent): boolean => {
this.router.navigate([ '/my-library/video-imports' ])
return false
}, undefined, $localize`Go to my imports`),
new Hotkey('m c', (event: KeyboardEvent): boolean => {
this.router.navigate([ '/my-library/video-channels' ])
return false
}, undefined, $localize`Go to my channels`)
]
}
loadClientCredentials () {
// Fetch the client_id/client_secret
this.http.get<OAuthClientLocal>(AuthService.BASE_CLIENT_URL)
.pipe(catchError(res => this.restExtractor.handleError(res)))
.subscribe(
res => {
this.clientId = res.client_id
this.clientSecret = res.client_secret
peertubeLocalStorage.setItem(AuthService.LOCAL_STORAGE_OAUTH_CLIENT_KEYS.CLIENT_ID, this.clientId)
peertubeLocalStorage.setItem(AuthService.LOCAL_STORAGE_OAUTH_CLIENT_KEYS.CLIENT_SECRET, this.clientSecret)
console.log('Client credentials loaded.')
},
error => {
let errorMessage = error.message
if (error.status === 403) {
errorMessage = $localize`Cannot retrieve OAuth Client credentials: ${error.text}.
Ensure you have correctly configured PeerTube (config/ directory), in particular the "webserver" section.`
}
// We put a bigger timeout: this is an important message
this.notifier.error(errorMessage, $localize`Error`, 7000)
}
)
}
getRefreshToken () {
if (this.user === null) return null
return this.user.getRefreshToken()
}
getRequestHeaderValue () {
const accessToken = this.getAccessToken()
if (accessToken === null) return null
return `${this.getTokenType()} ${accessToken}`
}
getAccessToken () {
if (this.user === null) return null
return this.user.getAccessToken()
}
getTokenType () {
if (this.user === null) return null
return this.user.getTokenType()
}
getUser () {
return this.user
}
isLoggedIn () {
return !!this.getAccessToken()
}
login (username: string, password: string, token?: string) {
// Form url encoded
const body = {
client_id: this.clientId,
client_secret: this.clientSecret,
response_type: 'code',
grant_type: 'password',
scope: 'upload',
username,
password
}
if (token) Object.assign(body, { externalAuthToken: token })
const headers = new HttpHeaders().set('Content-Type', 'application/x-www-form-urlencoded')
return this.http.post<UserLogin>(AuthService.BASE_TOKEN_URL, objectToUrlEncoded(body), { headers })
.pipe(
map(res => Object.assign(res, { username })),
mergeMap(res => this.mergeUserInformation(res)),
map(res => this.handleLogin(res)),
catchError(res => this.restExtractor.handleError(res))
)
}
logout () {
const authHeaderValue = this.getRequestHeaderValue()
const headers = new HttpHeaders().set('Authorization', authHeaderValue)
this.http.post<{ redirectUrl?: string }>(AuthService.BASE_REVOKE_TOKEN_URL, {}, { headers })
.subscribe(
res => {
if (res.redirectUrl) {
window.location.href = res.redirectUrl
}
},
err => console.error(err)
)
this.user = null
AuthUser.flush()
this.setStatus(AuthStatus.LoggedOut)
this.hotkeysService.remove(this.hotkeys)
}
refreshAccessToken () {
if (this.refreshingTokenObservable) return this.refreshingTokenObservable
console.log('Refreshing token...')
const refreshToken = this.getRefreshToken()
// Form url encoded
const body = new HttpParams().set('refresh_token', refreshToken)
.set('client_id', this.clientId)
.set('client_secret', this.clientSecret)
.set('response_type', 'code')
.set('grant_type', 'refresh_token')
const headers = new HttpHeaders().set('Content-Type', 'application/x-www-form-urlencoded')
this.refreshingTokenObservable = this.http.post<UserRefreshToken>(AuthService.BASE_TOKEN_URL, body, { headers })
.pipe(
map(res => this.handleRefreshToken(res)),
tap(() => this.refreshingTokenObservable = null),
catchError(err => {
this.refreshingTokenObservable = null
console.error(err)
console.log('Cannot refresh token -> logout...')
this.logout()
this.router.navigate([ '/login' ])
return observableThrowError({
error: $localize`You need to reconnect.`
})
}),
share()
)
return this.refreshingTokenObservable
}
refreshUserInformation () {
const obj: UserLoginWithUsername = {
access_token: this.user.getAccessToken(),
refresh_token: null,
token_type: this.user.getTokenType(),
username: this.user.username
}
this.mergeUserInformation(obj)
.subscribe(
res => {
this.user.patch(res)
this.user.save()
this.userInformationLoaded.next(true)
}
)
}
getScopedTokens (): Promise<ScopedToken> {
return new Promise((res, rej) => {
if (this.scopedTokens) return res(this.scopedTokens)
const authHeaderValue = this.getRequestHeaderValue()
const headers = new HttpHeaders().set('Authorization', authHeaderValue)
this.http.get<ScopedToken>(AuthService.BASE_SCOPED_TOKENS_URL, { headers })
.subscribe(
scopedTokens => {
this.scopedTokens = scopedTokens
res(this.scopedTokens)
},
err => {
console.error(err)
rej(err)
}
)
})
}
renewScopedTokens (): Promise<ScopedToken> {
return new Promise((res, rej) => {
const authHeaderValue = this.getRequestHeaderValue()
const headers = new HttpHeaders().set('Authorization', authHeaderValue)
this.http.post<ScopedToken>(AuthService.BASE_SCOPED_TOKENS_URL, {}, { headers })
.subscribe(
scopedTokens => {
this.scopedTokens = scopedTokens
res(this.scopedTokens)
},
err => {
console.error(err)
rej(err)
}
)
})
}
private mergeUserInformation (obj: UserLoginWithUsername): Observable<UserLoginWithUserInformation> {
// User is not loaded yet, set manually auth header
const headers = new HttpHeaders().set('Authorization', `${obj.token_type} ${obj.access_token}`)
return this.http.get<UserServerModel>(AuthService.BASE_USER_INFORMATION_URL, { headers })
.pipe(map(res => Object.assign(obj, res)))
}
private handleLogin (obj: UserLoginWithUserInformation) {
const hashTokens = {
accessToken: obj.access_token,
tokenType: obj.token_type,
refreshToken: obj.refresh_token
}
this.user = new AuthUser(obj, hashTokens)
this.user.save()
this.setStatus(AuthStatus.LoggedIn)
this.userInformationLoaded.next(true)
this.hotkeysService.add(this.hotkeys)
}
private handleRefreshToken (obj: UserRefreshToken) {
this.user.refreshTokens(obj.access_token, obj.refresh_token)
this.user.save()
}
private setStatus (status: AuthStatus) {
this.loginChanged.next(status)
}
}
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