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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | 41x 41x 41x 41x 41x 41x 41x 41x 41x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 1x 1x 2x 2x 2x 2x 2x | import { HttpHeaders } from '@angular/common/http';
import { Injectable, Injector } from '@angular/core';
import {
AuthConfig,
OAuthInfoEvent,
OAuthService,
OAuthStorage,
OAuthSuccessEvent,
TokenResponse,
} from 'angular-oauth2-oidc';
import { BehaviorSubject, EMPTY, Observable, catchError, filter, first, from, map, noop, switchMap, take } from 'rxjs';
import { FetchTokenOptions, GrantType } from 'ish-core/models/token/token.interface';
import { ApiService } from 'ish-core/services/api/api.service';
import { ApiTokenService } from 'ish-core/utils/api-token/api-token.service';
import { InstanceCreators } from 'ish-core/utils/instance-creators';
import { whenTruthy } from 'ish-core/utils/operators';
function storageFactory(): OAuthStorage {
const prefix = 'icm_' as const;
if (!SSR) {
return {
getItem(key: string): string {
return localStorage.getItem(`${prefix}${key}`);
},
removeItem(key: string): void {
return localStorage.removeItem(`${prefix}${key}`);
},
setItem(key: string, data: string): void {
return localStorage.setItem(`${prefix}${key}`, data);
},
};
}
}
@Injectable({ providedIn: 'root' })
export class TokenService {
private oAuthService: OAuthService;
private serviceConfigured$ = new BehaviorSubject<boolean>(false);
constructor(
private apiService: ApiService,
private apiTokenService: ApiTokenService,
parent: Injector
) {
this.oAuthService = InstanceCreators.getOAuthServiceInstance(parent, storageFactory);
this.apiService
.constructUrlForPath('token', {
sendCurrency: true,
sendLocale: true,
})
.pipe(
whenTruthy(),
filter(url => !url.startsWith('/')), // url should not be relative
take(1),
map<string, AuthConfig>(url => ({
tokenEndpoint: url,
requireHttps: url.startsWith('https'),
timeoutFactor: 0.5,
}))
)
.subscribe(conf => {
this.oAuthService.configure(conf);
this.serviceConfigured$.next(true);
});
this.setApiTokenCookie$().subscribe(noop);
this.setupRefreshTokenMechanism$().subscribe(noop);
}
/**
* Fetches a new user token. Based on the grantType the user has to apply certain token options to the method.
*
* @param grantType The given type ('anonymous', 'password', 'client_credentials', 'refresh_token') is used to specify, how the user token should be fetched.
*/
fetchToken<T extends 'anonymous'>(grantType: T): Observable<TokenResponse>;
fetchToken<T extends GrantType, R extends FetchTokenOptions<T>>(grantType: T, options: R): Observable<TokenResponse>;
fetchToken<T extends GrantType, R extends FetchTokenOptions<T>>(
grantType: T,
options?: R
): Observable<TokenResponse> {
return this.serviceConfigured$.pipe(
whenTruthy(),
first(),
switchMap(() =>
from(
this.oAuthService?.fetchTokenUsingGrant(
grantType,
options ?? {},
new HttpHeaders({ 'content-type': 'application/x-www-form-urlencoded' })
)
)
)
);
}
logOut() {
this.oAuthService.logOut(true);
}
/**
* Refresh existing tokens, when token is about to expire
*
* @returns {TokenResponse} updated tokens
*/
private setupRefreshTokenMechanism$(): Observable<TokenResponse> {
return this.serviceConfigured$.pipe(
whenTruthy(),
first(),
switchMap(() =>
this.oAuthService.events.pipe(
filter(
event => event instanceof OAuthInfoEvent && event.type === 'token_expires' && event.info === 'access_token'
),
switchMap(() =>
from(this.oAuthService.refreshToken()).pipe(
catchError(error => {
console.warn('Error refreshing token, clearing session:', error);
this.apiTokenService.removeApiToken();
return EMPTY;
})
)
)
)
)
);
}
private setApiTokenCookie$() {
return this.oAuthService.events.pipe(
filter(event => event instanceof OAuthSuccessEvent && event.type === 'token_received'),
map(() =>
this.apiTokenService.setApiToken(this.oAuthService.getAccessToken(), {
expires: new Date(this.oAuthService.getAccessTokenExpiration()),
})
)
);
}
}
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