1 | import { Injectable, Optional, Inject } from '@angular/core';
|
2 | import { HttpHeaders, HttpParams, } from '@angular/common/http';
|
3 | import { Subject, of, race, from, combineLatest, throwError, } from 'rxjs';
|
4 | import { filter, delay, first, tap, map, switchMap, debounceTime, catchError, } from 'rxjs/operators';
|
5 | import { DOCUMENT } from '@angular/common';
|
6 | import { OAuthInfoEvent, OAuthErrorEvent, OAuthSuccessEvent, } from './events';
|
7 | import { b64DecodeUnicode, base64UrlEncode } from './base64-helper';
|
8 | import { AuthConfig } from './auth.config';
|
9 | import { WebHttpUrlEncodingCodec } from './encoder';
|
10 | import * as i0 from "@angular/core";
|
11 | import * as i1 from "@angular/common/http";
|
12 | import * as i2 from "./types";
|
13 | import * as i3 from "./token-validation/validation-handler";
|
14 | import * as i4 from "./auth.config";
|
15 | import * as i5 from "./url-helper.service";
|
16 | import * as i6 from "./token-validation/hash-handler";
|
17 | import * as i7 from "./date-time-provider";
|
18 | /**
|
19 | * Service for logging in and logging out with
|
20 | * OIDC and OAuth2. Supports implicit flow and
|
21 | * password flow.
|
22 | */
|
23 | export class OAuthService extends AuthConfig {
|
24 | constructor(ngZone, http, storage, tokenValidationHandler, config, urlHelper, logger, crypto, document, dateTimeService) {
|
25 | super();
|
26 | this.ngZone = ngZone;
|
27 | this.http = http;
|
28 | this.config = config;
|
29 | this.urlHelper = urlHelper;
|
30 | this.logger = logger;
|
31 | this.crypto = crypto;
|
32 | this.dateTimeService = dateTimeService;
|
33 | /**
|
34 | * @internal
|
35 | * Deprecated: use property events instead
|
36 | */
|
37 | this.discoveryDocumentLoaded = false;
|
38 | /**
|
39 | * The received (passed around) state, when logging
|
40 | * in with implicit flow.
|
41 | */
|
42 | this.state = '';
|
43 | this.eventsSubject = new Subject();
|
44 | this.discoveryDocumentLoadedSubject = new Subject();
|
45 | this.grantTypesSupported = [];
|
46 | this.inImplicitFlow = false;
|
47 | this.saveNoncesInLocalStorage = false;
|
48 | this.debug('angular-oauth2-oidc v10');
|
49 | // See https://github.com/manfredsteyer/angular-oauth2-oidc/issues/773 for why this is needed
|
50 | this.document = document;
|
51 | if (!config) {
|
52 | config = {};
|
53 | }
|
54 | this.discoveryDocumentLoaded$ =
|
55 | this.discoveryDocumentLoadedSubject.asObservable();
|
56 | this.events = this.eventsSubject.asObservable();
|
57 | if (tokenValidationHandler) {
|
58 | this.tokenValidationHandler = tokenValidationHandler;
|
59 | }
|
60 | if (config) {
|
61 | this.configure(config);
|
62 | }
|
63 | try {
|
64 | if (storage) {
|
65 | this.setStorage(storage);
|
66 | }
|
67 | else if (typeof sessionStorage !== 'undefined') {
|
68 | this.setStorage(sessionStorage);
|
69 | }
|
70 | }
|
71 | catch (e) {
|
72 | console.error('No OAuthStorage provided and cannot access default (sessionStorage).' +
|
73 | 'Consider providing a custom OAuthStorage implementation in your module.', e);
|
74 | }
|
75 | // in IE, sessionStorage does not always survive a redirect
|
76 | if (this.checkLocalStorageAccessable()) {
|
77 | const ua = window?.navigator?.userAgent;
|
78 | const msie = ua?.includes('MSIE ') || ua?.includes('Trident');
|
79 | if (msie) {
|
80 | this.saveNoncesInLocalStorage = true;
|
81 | }
|
82 | }
|
83 | this.setupRefreshTimer();
|
84 | }
|
85 | checkLocalStorageAccessable() {
|
86 | if (typeof window === 'undefined')
|
87 | return false;
|
88 | const test = 'test';
|
89 | try {
|
90 | if (typeof window['localStorage'] === 'undefined')
|
91 | return false;
|
92 | localStorage.setItem(test, test);
|
93 | localStorage.removeItem(test);
|
94 | return true;
|
95 | }
|
96 | catch (e) {
|
97 | return false;
|
98 | }
|
99 | }
|
100 | /**
|
101 | * Use this method to configure the service
|
102 | * @param config the configuration
|
103 | */
|
104 | configure(config) {
|
105 | // For the sake of downward compatibility with
|
106 | // original configuration API
|
107 | Object.assign(this, new AuthConfig(), config);
|
108 | this.config = Object.assign({}, new AuthConfig(), config);
|
109 | if (this.sessionChecksEnabled) {
|
110 | this.setupSessionCheck();
|
111 | }
|
112 | this.configChanged();
|
113 | }
|
114 | configChanged() {
|
115 | this.setupRefreshTimer();
|
116 | }
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117 | restartSessionChecksIfStillLoggedIn() {
|
118 | if (this.hasValidIdToken()) {
|
119 | this.initSessionCheck();
|
120 | }
|
121 | }
|
122 | restartRefreshTimerIfStillLoggedIn() {
|
123 | this.setupExpirationTimers();
|
124 | }
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125 | setupSessionCheck() {
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126 | this.events
|
127 | .pipe(filter((e) => e.type === 'token_received'))
|
128 | .subscribe(() => {
|
129 | this.initSessionCheck();
|
130 | });
|
131 | }
|
132 | /**
|
133 | * Will setup up silent refreshing for when the token is
|
134 | * about to expire. When the user is logged out via this.logOut method, the
|
135 | * silent refreshing will pause and not refresh the tokens until the user is
|
136 | * logged back in via receiving a new token.
|
137 | * @param params Additional parameter to pass
|
138 | * @param listenTo Setup automatic refresh of a specific token type
|
139 | */
|
140 | setupAutomaticSilentRefresh(params = {}, listenTo, noPrompt = true) {
|
141 | let shouldRunSilentRefresh = true;
|
142 | this.clearAutomaticRefreshTimer();
|
143 | this.automaticRefreshSubscription = this.events
|
144 | .pipe(tap((e) => {
|
145 | if (e.type === 'token_received') {
|
146 | shouldRunSilentRefresh = true;
|
147 | }
|
148 | else if (e.type === 'logout') {
|
149 | shouldRunSilentRefresh = false;
|
150 | }
|
151 | }), filter((e) => e.type === 'token_expires' &&
|
152 | (listenTo == null || listenTo === 'any' || e.info === listenTo)), debounceTime(1000))
|
153 | .subscribe(() => {
|
154 | if (shouldRunSilentRefresh) {
|
155 | // this.silentRefresh(params, noPrompt).catch(_ => {
|
156 | this.refreshInternal(params, noPrompt).catch(() => {
|
157 | this.debug('Automatic silent refresh did not work');
|
158 | });
|
159 | }
|
160 | });
|
161 | this.restartRefreshTimerIfStillLoggedIn();
|
162 | }
|
163 | refreshInternal(params, noPrompt) {
|
164 | if (!this.useSilentRefresh && this.responseType === 'code') {
|
165 | return this.refreshToken();
|
166 | }
|
167 | else {
|
168 | return this.silentRefresh(params, noPrompt);
|
169 | }
|
170 | }
|
171 | /**
|
172 | * Convenience method that first calls `loadDiscoveryDocument(...)` and
|
173 | * directly chains using the `then(...)` part of the promise to call
|
174 | * the `tryLogin(...)` method.
|
175 | *
|
176 | * @param options LoginOptions to pass through to `tryLogin(...)`
|
177 | */
|
178 | loadDiscoveryDocumentAndTryLogin(options = null) {
|
179 | return this.loadDiscoveryDocument().then(() => {
|
180 | return this.tryLogin(options);
|
181 | });
|
182 | }
|
183 | /**
|
184 | * Convenience method that first calls `loadDiscoveryDocumentAndTryLogin(...)`
|
185 | * and if then chains to `initLoginFlow()`, but only if there is no valid
|
186 | * IdToken or no valid AccessToken.
|
187 | *
|
188 | * @param options LoginOptions to pass through to `tryLogin(...)`
|
189 | */
|
190 | loadDiscoveryDocumentAndLogin(options = null) {
|
191 | options = options || {};
|
192 | return this.loadDiscoveryDocumentAndTryLogin(options).then(() => {
|
193 | if (!this.hasValidIdToken() || !this.hasValidAccessToken()) {
|
194 | const state = typeof options.state === 'string' ? options.state : '';
|
195 | this.initLoginFlow(state);
|
196 | return false;
|
197 | }
|
198 | else {
|
199 | return true;
|
200 | }
|
201 | });
|
202 | }
|
203 | debug(...args) {
|
204 | if (this.showDebugInformation) {
|
205 | this.logger.debug(...args);
|
206 | }
|
207 | }
|
208 | validateUrlFromDiscoveryDocument(url) {
|
209 | const errors = [];
|
210 | const httpsCheck = this.validateUrlForHttps(url);
|
211 | const issuerCheck = this.validateUrlAgainstIssuer(url);
|
212 | if (!httpsCheck) {
|
213 | errors.push('https for all urls required. Also for urls received by discovery.');
|
214 | }
|
215 | if (!issuerCheck) {
|
216 | errors.push('Every url in discovery document has to start with the issuer url.' +
|
217 | 'Also see property strictDiscoveryDocumentValidation.');
|
218 | }
|
219 | return errors;
|
220 | }
|
221 | validateUrlForHttps(url) {
|
222 | if (!url) {
|
223 | return true;
|
224 | }
|
225 | const lcUrl = url.toLowerCase();
|
226 | if (this.requireHttps === false) {
|
227 | return true;
|
228 | }
|
229 | if ((lcUrl.match(/^http:\/\/localhost($|[:/])/) ||
|
230 | lcUrl.match(/^http:\/\/localhost($|[:/])/)) &&
|
231 | this.requireHttps === 'remoteOnly') {
|
232 | return true;
|
233 | }
|
234 | return lcUrl.startsWith('https://');
|
235 | }
|
236 | assertUrlNotNullAndCorrectProtocol(url, description) {
|
237 | if (!url) {
|
238 | throw new Error(`'${description}' should not be null`);
|
239 | }
|
240 | if (!this.validateUrlForHttps(url)) {
|
241 | throw new Error(`'${description}' must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).`);
|
242 | }
|
243 | }
|
244 | validateUrlAgainstIssuer(url) {
|
245 | if (!this.strictDiscoveryDocumentValidation) {
|
246 | return true;
|
247 | }
|
248 | if (!url) {
|
249 | return true;
|
250 | }
|
251 | return url.toLowerCase().startsWith(this.issuer.toLowerCase());
|
252 | }
|
253 | setupRefreshTimer() {
|
254 | if (typeof window === 'undefined') {
|
255 | this.debug('timer not supported on this plattform');
|
256 | return;
|
257 | }
|
258 | if (this.hasValidIdToken() || this.hasValidAccessToken()) {
|
259 | this.clearAccessTokenTimer();
|
260 | this.clearIdTokenTimer();
|
261 | this.setupExpirationTimers();
|
262 | }
|
263 | if (this.tokenReceivedSubscription)
|
264 | this.tokenReceivedSubscription.unsubscribe();
|
265 | this.tokenReceivedSubscription = this.events
|
266 | .pipe(filter((e) => e.type === 'token_received'))
|
267 | .subscribe(() => {
|
268 | this.clearAccessTokenTimer();
|
269 | this.clearIdTokenTimer();
|
270 | this.setupExpirationTimers();
|
271 | });
|
272 | }
|
273 | setupExpirationTimers() {
|
274 | if (this.hasValidAccessToken()) {
|
275 | this.setupAccessTokenTimer();
|
276 | }
|
277 | if (!this.disableIdTokenTimer && this.hasValidIdToken()) {
|
278 | this.setupIdTokenTimer();
|
279 | }
|
280 | }
|
281 | setupAccessTokenTimer() {
|
282 | const expiration = this.getAccessTokenExpiration();
|
283 | const storedAt = this.getAccessTokenStoredAt();
|
284 | const timeout = this.calcTimeout(storedAt, expiration);
|
285 | this.ngZone.runOutsideAngular(() => {
|
286 | this.accessTokenTimeoutSubscription = of(new OAuthInfoEvent('token_expires', 'access_token'))
|
287 | .pipe(delay(timeout))
|
288 | .subscribe((e) => {
|
289 | this.ngZone.run(() => {
|
290 | this.eventsSubject.next(e);
|
291 | });
|
292 | });
|
293 | });
|
294 | }
|
295 | setupIdTokenTimer() {
|
296 | const expiration = this.getIdTokenExpiration();
|
297 | const storedAt = this.getIdTokenStoredAt();
|
298 | const timeout = this.calcTimeout(storedAt, expiration);
|
299 | this.ngZone.runOutsideAngular(() => {
|
300 | this.idTokenTimeoutSubscription = of(new OAuthInfoEvent('token_expires', 'id_token'))
|
301 | .pipe(delay(timeout))
|
302 | .subscribe((e) => {
|
303 | this.ngZone.run(() => {
|
304 | this.eventsSubject.next(e);
|
305 | });
|
306 | });
|
307 | });
|
308 | }
|
309 | /**
|
310 | * Stops timers for automatic refresh.
|
311 | * To restart it, call setupAutomaticSilentRefresh again.
|
312 | */
|
313 | stopAutomaticRefresh() {
|
314 | this.clearAccessTokenTimer();
|
315 | this.clearIdTokenTimer();
|
316 | this.clearAutomaticRefreshTimer();
|
317 | }
|
318 | clearAccessTokenTimer() {
|
319 | if (this.accessTokenTimeoutSubscription) {
|
320 | this.accessTokenTimeoutSubscription.unsubscribe();
|
321 | }
|
322 | }
|
323 | clearIdTokenTimer() {
|
324 | if (this.idTokenTimeoutSubscription) {
|
325 | this.idTokenTimeoutSubscription.unsubscribe();
|
326 | }
|
327 | }
|
328 | clearAutomaticRefreshTimer() {
|
329 | if (this.automaticRefreshSubscription) {
|
330 | this.automaticRefreshSubscription.unsubscribe();
|
331 | }
|
332 | }
|
333 | calcTimeout(storedAt, expiration) {
|
334 | const now = this.dateTimeService.now();
|
335 | const delta = (expiration - storedAt) * this.timeoutFactor - (now - storedAt);
|
336 | const duration = Math.max(0, delta);
|
337 | const maxTimeoutValue = 2147483647;
|
338 | return duration > maxTimeoutValue ? maxTimeoutValue : duration;
|
339 | }
|
340 | /**
|
341 | * DEPRECATED. Use a provider for OAuthStorage instead:
|
342 | *
|
343 | * { provide: OAuthStorage, useFactory: oAuthStorageFactory }
|
344 | * export function oAuthStorageFactory(): OAuthStorage { return localStorage; }
|
345 | * Sets a custom storage used to store the received
|
346 | * tokens on client side. By default, the browser's
|
347 | * sessionStorage is used.
|
348 | * @ignore
|
349 | *
|
350 | * @param storage
|
351 | */
|
352 | setStorage(storage) {
|
353 | this._storage = storage;
|
354 | this.configChanged();
|
355 | }
|
356 | /**
|
357 | * Loads the discovery document to configure most
|
358 | * properties of this service. The url of the discovery
|
359 | * document is infered from the issuer's url according
|
360 | * to the OpenId Connect spec. To use another url you
|
361 | * can pass it to to optional parameter fullUrl.
|
362 | *
|
363 | * @param fullUrl
|
364 | */
|
365 | loadDiscoveryDocument(fullUrl = null) {
|
366 | return new Promise((resolve, reject) => {
|
367 | if (!fullUrl) {
|
368 | fullUrl = this.issuer || '';
|
369 | if (!fullUrl.endsWith('/')) {
|
370 | fullUrl += '/';
|
371 | }
|
372 | fullUrl += '.well-known/openid-configuration';
|
373 | }
|
374 | if (!this.validateUrlForHttps(fullUrl)) {
|
375 | reject("issuer must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).");
|
376 | return;
|
377 | }
|
378 | this.http.get(fullUrl).subscribe((doc) => {
|
379 | if (!this.validateDiscoveryDocument(doc)) {
|
380 | this.eventsSubject.next(new OAuthErrorEvent('discovery_document_validation_error', null));
|
381 | reject('discovery_document_validation_error');
|
382 | return;
|
383 | }
|
384 | this.loginUrl = doc.authorization_endpoint;
|
385 | this.logoutUrl = doc.end_session_endpoint || this.logoutUrl;
|
386 | this.grantTypesSupported = doc.grant_types_supported;
|
387 | this.issuer = doc.issuer;
|
388 | this.tokenEndpoint = doc.token_endpoint;
|
389 | this.userinfoEndpoint =
|
390 | doc.userinfo_endpoint || this.userinfoEndpoint;
|
391 | this.jwksUri = doc.jwks_uri;
|
392 | this.sessionCheckIFrameUrl =
|
393 | doc.check_session_iframe || this.sessionCheckIFrameUrl;
|
394 | this.discoveryDocumentLoaded = true;
|
395 | this.discoveryDocumentLoadedSubject.next(doc);
|
396 | this.revocationEndpoint =
|
397 | doc.revocation_endpoint || this.revocationEndpoint;
|
398 | if (this.sessionChecksEnabled) {
|
399 | this.restartSessionChecksIfStillLoggedIn();
|
400 | }
|
401 | this.loadJwks()
|
402 | .then((jwks) => {
|
403 | const result = {
|
404 | discoveryDocument: doc,
|
405 | jwks: jwks,
|
406 | };
|
407 | const event = new OAuthSuccessEvent('discovery_document_loaded', result);
|
408 | this.eventsSubject.next(event);
|
409 | resolve(event);
|
410 | return;
|
411 | })
|
412 | .catch((err) => {
|
413 | this.eventsSubject.next(new OAuthErrorEvent('discovery_document_load_error', err));
|
414 | reject(err);
|
415 | return;
|
416 | });
|
417 | }, (err) => {
|
418 | this.logger.error('error loading discovery document', err);
|
419 | this.eventsSubject.next(new OAuthErrorEvent('discovery_document_load_error', err));
|
420 | reject(err);
|
421 | });
|
422 | });
|
423 | }
|
424 | loadJwks() {
|
425 | return new Promise((resolve, reject) => {
|
426 | if (this.jwksUri) {
|
427 | this.http.get(this.jwksUri).subscribe((jwks) => {
|
428 | this.jwks = jwks;
|
429 | // this.eventsSubject.next(
|
430 | // new OAuthSuccessEvent('discovery_document_loaded')
|
431 | // );
|
432 | resolve(jwks);
|
433 | }, (err) => {
|
434 | this.logger.error('error loading jwks', err);
|
435 | this.eventsSubject.next(new OAuthErrorEvent('jwks_load_error', err));
|
436 | reject(err);
|
437 | });
|
438 | }
|
439 | else {
|
440 | resolve(null);
|
441 | }
|
442 | });
|
443 | }
|
444 | validateDiscoveryDocument(doc) {
|
445 | let errors;
|
446 | if (!this.skipIssuerCheck && doc.issuer !== this.issuer) {
|
447 | this.logger.error('invalid issuer in discovery document', 'expected: ' + this.issuer, 'current: ' + doc.issuer);
|
448 | return false;
|
449 | }
|
450 | errors = this.validateUrlFromDiscoveryDocument(doc.authorization_endpoint);
|
451 | if (errors.length > 0) {
|
452 | this.logger.error('error validating authorization_endpoint in discovery document', errors);
|
453 | return false;
|
454 | }
|
455 | errors = this.validateUrlFromDiscoveryDocument(doc.end_session_endpoint);
|
456 | if (errors.length > 0) {
|
457 | this.logger.error('error validating end_session_endpoint in discovery document', errors);
|
458 | return false;
|
459 | }
|
460 | errors = this.validateUrlFromDiscoveryDocument(doc.token_endpoint);
|
461 | if (errors.length > 0) {
|
462 | this.logger.error('error validating token_endpoint in discovery document', errors);
|
463 | }
|
464 | errors = this.validateUrlFromDiscoveryDocument(doc.revocation_endpoint);
|
465 | if (errors.length > 0) {
|
466 | this.logger.error('error validating revocation_endpoint in discovery document', errors);
|
467 | }
|
468 | errors = this.validateUrlFromDiscoveryDocument(doc.userinfo_endpoint);
|
469 | if (errors.length > 0) {
|
470 | this.logger.error('error validating userinfo_endpoint in discovery document', errors);
|
471 | return false;
|
472 | }
|
473 | errors = this.validateUrlFromDiscoveryDocument(doc.jwks_uri);
|
474 | if (errors.length > 0) {
|
475 | this.logger.error('error validating jwks_uri in discovery document', errors);
|
476 | return false;
|
477 | }
|
478 | if (this.sessionChecksEnabled && !doc.check_session_iframe) {
|
479 | this.logger.warn('sessionChecksEnabled is activated but discovery document' +
|
480 | ' does not contain a check_session_iframe field');
|
481 | }
|
482 | return true;
|
483 | }
|
484 | /**
|
485 | * Uses password flow to exchange userName and password for an
|
486 | * access_token. After receiving the access_token, this method
|
487 | * uses it to query the userinfo endpoint in order to get information
|
488 | * about the user in question.
|
489 | *
|
490 | * When using this, make sure that the property oidc is set to false.
|
491 | * Otherwise stricter validations take place that make this operation
|
492 | * fail.
|
493 | *
|
494 | * @param userName
|
495 | * @param password
|
496 | * @param headers Optional additional http-headers.
|
497 | */
|
498 | fetchTokenUsingPasswordFlowAndLoadUserProfile(userName, password, headers = new HttpHeaders()) {
|
499 | return this.fetchTokenUsingPasswordFlow(userName, password, headers).then(() => this.loadUserProfile());
|
500 | }
|
501 | /**
|
502 | * Loads the user profile by accessing the user info endpoint defined by OpenId Connect.
|
503 | *
|
504 | * When using this with OAuth2 password flow, make sure that the property oidc is set to false.
|
505 | * Otherwise stricter validations take place that make this operation fail.
|
506 | */
|
507 | loadUserProfile() {
|
508 | if (!this.hasValidAccessToken()) {
|
509 | throw new Error('Can not load User Profile without access_token');
|
510 | }
|
511 | if (!this.validateUrlForHttps(this.userinfoEndpoint)) {
|
512 | throw new Error("userinfoEndpoint must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).");
|
513 | }
|
514 | return new Promise((resolve, reject) => {
|
515 | const headers = new HttpHeaders().set('Authorization', 'Bearer ' + this.getAccessToken());
|
516 | this.http
|
517 | .get(this.userinfoEndpoint, {
|
518 | headers,
|
519 | observe: 'response',
|
520 | responseType: 'text',
|
521 | })
|
522 | .subscribe((response) => {
|
523 | this.debug('userinfo received', JSON.stringify(response));
|
524 | if (response.headers
|
525 | .get('content-type')
|
526 | .startsWith('application/json')) {
|
527 | let info = JSON.parse(response.body);
|
528 | const existingClaims = this.getIdentityClaims() || {};
|
529 | if (!this.skipSubjectCheck) {
|
530 | if (this.oidc &&
|
531 | (!existingClaims['sub'] || info.sub !== existingClaims['sub'])) {
|
532 | const err = 'if property oidc is true, the received user-id (sub) has to be the user-id ' +
|
533 | 'of the user that has logged in with oidc.\n' +
|
534 | 'if you are not using oidc but just oauth2 password flow set oidc to false';
|
535 | reject(err);
|
536 | return;
|
537 | }
|
538 | }
|
539 | info = Object.assign({}, existingClaims, info);
|
540 | this._storage.setItem('id_token_claims_obj', JSON.stringify(info));
|
541 | this.eventsSubject.next(new OAuthSuccessEvent('user_profile_loaded'));
|
542 | resolve({ info });
|
543 | }
|
544 | else {
|
545 | this.debug('userinfo is not JSON, treating it as JWE/JWS');
|
546 | this.eventsSubject.next(new OAuthSuccessEvent('user_profile_loaded'));
|
547 | resolve(JSON.parse(response.body));
|
548 | }
|
549 | }, (err) => {
|
550 | this.logger.error('error loading user info', err);
|
551 | this.eventsSubject.next(new OAuthErrorEvent('user_profile_load_error', err));
|
552 | reject(err);
|
553 | });
|
554 | });
|
555 | }
|
556 | /**
|
557 | * Uses password flow to exchange userName and password for an access_token.
|
558 | * @param userName
|
559 | * @param password
|
560 | * @param headers Optional additional http-headers.
|
561 | */
|
562 | fetchTokenUsingPasswordFlow(userName, password, headers = new HttpHeaders()) {
|
563 | const parameters = {
|
564 | username: userName,
|
565 | password: password,
|
566 | };
|
567 | return this.fetchTokenUsingGrant('password', parameters, headers);
|
568 | }
|
569 | /**
|
570 | * Uses a custom grant type to retrieve tokens.
|
571 | * @param grantType Grant type.
|
572 | * @param parameters Parameters to pass.
|
573 | * @param headers Optional additional HTTP headers.
|
574 | */
|
575 | fetchTokenUsingGrant(grantType, parameters, headers = new HttpHeaders()) {
|
576 | this.assertUrlNotNullAndCorrectProtocol(this.tokenEndpoint, 'tokenEndpoint');
|
577 | /**
|
578 | * A `HttpParameterCodec` that uses `encodeURIComponent` and `decodeURIComponent` to
|
579 | * serialize and parse URL parameter keys and values.
|
580 | *
|
581 | * @stable
|
582 | */
|
583 | let params = new HttpParams({ encoder: new WebHttpUrlEncodingCodec() })
|
584 | .set('grant_type', grantType)
|
585 | .set('scope', this.scope);
|
586 | if (this.useHttpBasicAuth) {
|
587 | const header = btoa(`${this.clientId}:${this.dummyClientSecret}`);
|
588 | headers = headers.set('Authorization', 'Basic ' + header);
|
589 | }
|
590 | if (!this.useHttpBasicAuth) {
|
591 | params = params.set('client_id', this.clientId);
|
592 | }
|
593 | if (!this.useHttpBasicAuth && this.dummyClientSecret) {
|
594 | params = params.set('client_secret', this.dummyClientSecret);
|
595 | }
|
596 | if (this.customQueryParams) {
|
597 | for (const key of Object.getOwnPropertyNames(this.customQueryParams)) {
|
598 | params = params.set(key, this.customQueryParams[key]);
|
599 | }
|
600 | }
|
601 | // set explicit parameters last, to allow overwriting
|
602 | for (const key of Object.keys(parameters)) {
|
603 | params = params.set(key, parameters[key]);
|
604 | }
|
605 | headers = headers.set('Content-Type', 'application/x-www-form-urlencoded');
|
606 | return new Promise((resolve, reject) => {
|
607 | this.http
|
608 | .post(this.tokenEndpoint, params, { headers })
|
609 | .subscribe((tokenResponse) => {
|
610 | this.debug('tokenResponse', tokenResponse);
|
611 | this.storeAccessTokenResponse(tokenResponse.access_token, tokenResponse.refresh_token, tokenResponse.expires_in ||
|
612 | this.fallbackAccessTokenExpirationTimeInSec, tokenResponse.scope, this.extractRecognizedCustomParameters(tokenResponse));
|
613 | if (this.oidc && tokenResponse.id_token) {
|
614 | this.processIdToken(tokenResponse.id_token, tokenResponse.access_token).then((result) => {
|
615 | this.storeIdToken(result);
|
616 | resolve(tokenResponse);
|
617 | });
|
618 | }
|
619 | this.eventsSubject.next(new OAuthSuccessEvent('token_received'));
|
620 | resolve(tokenResponse);
|
621 | }, (err) => {
|
622 | this.logger.error('Error performing ${grantType} flow', err);
|
623 | this.eventsSubject.next(new OAuthErrorEvent('token_error', err));
|
624 | reject(err);
|
625 | });
|
626 | });
|
627 | }
|
628 | /**
|
629 | * Refreshes the token using a refresh_token.
|
630 | * This does not work for implicit flow, b/c
|
631 | * there is no refresh_token in this flow.
|
632 | * A solution for this is provided by the
|
633 | * method silentRefresh.
|
634 | */
|
635 | refreshToken() {
|
636 | this.assertUrlNotNullAndCorrectProtocol(this.tokenEndpoint, 'tokenEndpoint');
|
637 | return new Promise((resolve, reject) => {
|
638 | let params = new HttpParams({ encoder: new WebHttpUrlEncodingCodec() })
|
639 | .set('grant_type', 'refresh_token')
|
640 | .set('scope', this.scope)
|
641 | .set('refresh_token', this._storage.getItem('refresh_token'));
|
642 | let headers = new HttpHeaders().set('Content-Type', 'application/x-www-form-urlencoded');
|
643 | if (this.useHttpBasicAuth) {
|
644 | const header = btoa(`${this.clientId}:${this.dummyClientSecret}`);
|
645 | headers = headers.set('Authorization', 'Basic ' + header);
|
646 | }
|
647 | if (!this.useHttpBasicAuth) {
|
648 | params = params.set('client_id', this.clientId);
|
649 | }
|
650 | if (!this.useHttpBasicAuth && this.dummyClientSecret) {
|
651 | params = params.set('client_secret', this.dummyClientSecret);
|
652 | }
|
653 | if (this.customQueryParams) {
|
654 | for (const key of Object.getOwnPropertyNames(this.customQueryParams)) {
|
655 | params = params.set(key, this.customQueryParams[key]);
|
656 | }
|
657 | }
|
658 | this.http
|
659 | .post(this.tokenEndpoint, params, { headers })
|
660 | .pipe(switchMap((tokenResponse) => {
|
661 | if (this.oidc && tokenResponse.id_token) {
|
662 | return from(this.processIdToken(tokenResponse.id_token, tokenResponse.access_token, true)).pipe(tap((result) => this.storeIdToken(result)), map(() => tokenResponse));
|
663 | }
|
664 | else {
|
665 | return of(tokenResponse);
|
666 | }
|
667 | }))
|
668 | .subscribe((tokenResponse) => {
|
669 | this.debug('refresh tokenResponse', tokenResponse);
|
670 | this.storeAccessTokenResponse(tokenResponse.access_token, tokenResponse.refresh_token, tokenResponse.expires_in ||
|
671 | this.fallbackAccessTokenExpirationTimeInSec, tokenResponse.scope, this.extractRecognizedCustomParameters(tokenResponse));
|
672 | this.eventsSubject.next(new OAuthSuccessEvent('token_received'));
|
673 | this.eventsSubject.next(new OAuthSuccessEvent('token_refreshed'));
|
674 | resolve(tokenResponse);
|
675 | }, (err) => {
|
676 | this.logger.error('Error refreshing token', err);
|
677 | this.eventsSubject.next(new OAuthErrorEvent('token_refresh_error', err));
|
678 | reject(err);
|
679 | });
|
680 | });
|
681 | }
|
682 | removeSilentRefreshEventListener() {
|
683 | if (this.silentRefreshPostMessageEventListener) {
|
684 | window.removeEventListener('message', this.silentRefreshPostMessageEventListener);
|
685 | this.silentRefreshPostMessageEventListener = null;
|
686 | }
|
687 | }
|
688 | setupSilentRefreshEventListener() {
|
689 | this.removeSilentRefreshEventListener();
|
690 | this.silentRefreshPostMessageEventListener = (e) => {
|
691 | const message = this.processMessageEventMessage(e);
|
692 | if (this.checkOrigin && e.origin !== location.origin) {
|
693 | console.error('wrong origin requested silent refresh!');
|
694 | }
|
695 | this.tryLogin({
|
696 | customHashFragment: message,
|
697 | preventClearHashAfterLogin: true,
|
698 | customRedirectUri: this.silentRefreshRedirectUri || this.redirectUri,
|
699 | }).catch((err) => this.debug('tryLogin during silent refresh failed', err));
|
700 | };
|
701 | window.addEventListener('message', this.silentRefreshPostMessageEventListener);
|
702 | }
|
703 | /**
|
704 | * Performs a silent refresh for implicit flow.
|
705 | * Use this method to get new tokens when/before
|
706 | * the existing tokens expire.
|
707 | */
|
708 | silentRefresh(params = {}, noPrompt = true) {
|
709 | const claims = this.getIdentityClaims() || {};
|
710 | if (this.useIdTokenHintForSilentRefresh && this.hasValidIdToken()) {
|
711 | params['id_token_hint'] = this.getIdToken();
|
712 | }
|
713 | if (!this.validateUrlForHttps(this.loginUrl)) {
|
714 | throw new Error("loginUrl must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).");
|
715 | }
|
716 | if (typeof this.document === 'undefined') {
|
717 | throw new Error('silent refresh is not supported on this platform');
|
718 | }
|
719 | const existingIframe = this.document.getElementById(this.silentRefreshIFrameName);
|
720 | if (existingIframe) {
|
721 | this.document.body.removeChild(existingIframe);
|
722 | }
|
723 | this.silentRefreshSubject = claims['sub'];
|
724 | const iframe = this.document.createElement('iframe');
|
725 | iframe.id = this.silentRefreshIFrameName;
|
726 | this.setupSilentRefreshEventListener();
|
727 | const redirectUri = this.silentRefreshRedirectUri || this.redirectUri;
|
728 | this.createLoginUrl(null, null, redirectUri, noPrompt, params).then((url) => {
|
729 | iframe.setAttribute('src', url);
|
730 | if (!this.silentRefreshShowIFrame) {
|
731 | iframe.style['display'] = 'none';
|
732 | }
|
733 | this.document.body.appendChild(iframe);
|
734 | });
|
735 | const errors = this.events.pipe(filter((e) => e instanceof OAuthErrorEvent), first());
|
736 | const success = this.events.pipe(filter((e) => e.type === 'token_received'), first());
|
737 | const timeout = of(new OAuthErrorEvent('silent_refresh_timeout', null)).pipe(delay(this.silentRefreshTimeout));
|
738 | return race([errors, success, timeout])
|
739 | .pipe(map((e) => {
|
740 | if (e instanceof OAuthErrorEvent) {
|
741 | if (e.type === 'silent_refresh_timeout') {
|
742 | this.eventsSubject.next(e);
|
743 | }
|
744 | else {
|
745 | e = new OAuthErrorEvent('silent_refresh_error', e);
|
746 | this.eventsSubject.next(e);
|
747 | }
|
748 | throw e;
|
749 | }
|
750 | else if (e.type === 'token_received') {
|
751 | e = new OAuthSuccessEvent('silently_refreshed');
|
752 | this.eventsSubject.next(e);
|
753 | }
|
754 | return e;
|
755 | }))
|
756 | .toPromise();
|
757 | }
|
758 | /**
|
759 | * This method exists for backwards compatibility.
|
760 | * {@link OAuthService#initLoginFlowInPopup} handles both code
|
761 | * and implicit flows.
|
762 | */
|
763 | initImplicitFlowInPopup(options) {
|
764 | return this.initLoginFlowInPopup(options);
|
765 | }
|
766 | initLoginFlowInPopup(options) {
|
767 | options = options || {};
|
768 | return this.createLoginUrl(null, null, this.silentRefreshRedirectUri, false, {
|
769 | display: 'popup',
|
770 | }).then((url) => {
|
771 | return new Promise((resolve, reject) => {
|
772 | /**
|
773 | * Error handling section
|
774 | */
|
775 | const checkForPopupClosedInterval = 500;
|
776 | let windowRef = null;
|
777 | // If we got no window reference we open a window
|
778 | // else we are using the window already opened
|
779 | if (!options.windowRef) {
|
780 | windowRef = window.open(url, 'ngx-oauth2-oidc-login', this.calculatePopupFeatures(options));
|
781 | }
|
782 | else if (options.windowRef && !options.windowRef.closed) {
|
783 | windowRef = options.windowRef;
|
784 | windowRef.location.href = url;
|
785 | }
|
786 | let checkForPopupClosedTimer;
|
787 | const tryLogin = (hash) => {
|
788 | this.tryLogin({
|
789 | customHashFragment: hash,
|
790 | preventClearHashAfterLogin: true,
|
791 | customRedirectUri: this.silentRefreshRedirectUri,
|
792 | }).then(() => {
|
793 | cleanup();
|
794 | resolve(true);
|
795 | }, (err) => {
|
796 | cleanup();
|
797 | reject(err);
|
798 | });
|
799 | };
|
800 | const checkForPopupClosed = () => {
|
801 | if (!windowRef || windowRef.closed) {
|
802 | cleanup();
|
803 | reject(new OAuthErrorEvent('popup_closed', {}));
|
804 | }
|
805 | };
|
806 | if (!windowRef) {
|
807 | reject(new OAuthErrorEvent('popup_blocked', {}));
|
808 | }
|
809 | else {
|
810 | checkForPopupClosedTimer = window.setInterval(checkForPopupClosed, checkForPopupClosedInterval);
|
811 | }
|
812 | const cleanup = () => {
|
813 | window.clearInterval(checkForPopupClosedTimer);
|
814 | window.removeEventListener('storage', storageListener);
|
815 | window.removeEventListener('message', listener);
|
816 | if (windowRef !== null) {
|
817 | windowRef.close();
|
818 | }
|
819 | windowRef = null;
|
820 | };
|
821 | const listener = (e) => {
|
822 | const message = this.processMessageEventMessage(e);
|
823 | if (message && message !== null) {
|
824 | window.removeEventListener('storage', storageListener);
|
825 | tryLogin(message);
|
826 | }
|
827 | else {
|
828 | console.log('false event firing');
|
829 | }
|
830 | };
|
831 | const storageListener = (event) => {
|
832 | if (event.key === 'auth_hash') {
|
833 | window.removeEventListener('message', listener);
|
834 | tryLogin(event.newValue);
|
835 | }
|
836 | };
|
837 | window.addEventListener('message', listener);
|
838 | window.addEventListener('storage', storageListener);
|
839 | });
|
840 | });
|
841 | }
|
842 | calculatePopupFeatures(options) {
|
843 | // Specify an static height and width and calculate centered position
|
844 | const height = options.height || 470;
|
845 | const width = options.width || 500;
|
846 | const left = window.screenLeft + (window.outerWidth - width) / 2;
|
847 | const top = window.screenTop + (window.outerHeight - height) / 2;
|
848 | return `location=no,toolbar=no,width=${width},height=${height},top=${top},left=${left}`;
|
849 | }
|
850 | processMessageEventMessage(e) {
|
851 | let expectedPrefix = '#';
|
852 | if (this.silentRefreshMessagePrefix) {
|
853 | expectedPrefix += this.silentRefreshMessagePrefix;
|
854 | }
|
855 | if (!e || !e.data || typeof e.data !== 'string') {
|
856 | return;
|
857 | }
|
858 | const prefixedMessage = e.data;
|
859 | if (!prefixedMessage.startsWith(expectedPrefix)) {
|
860 | return;
|
861 | }
|
862 | return '#' + prefixedMessage.substr(expectedPrefix.length);
|
863 | }
|
864 | canPerformSessionCheck() {
|
865 | if (!this.sessionChecksEnabled) {
|
866 | return false;
|
867 | }
|
868 | if (!this.sessionCheckIFrameUrl) {
|
869 | console.warn('sessionChecksEnabled is activated but there is no sessionCheckIFrameUrl');
|
870 | return false;
|
871 | }
|
872 | const sessionState = this.getSessionState();
|
873 | if (!sessionState) {
|
874 | console.warn('sessionChecksEnabled is activated but there is no session_state');
|
875 | return false;
|
876 | }
|
877 | if (typeof this.document === 'undefined') {
|
878 | return false;
|
879 | }
|
880 | return true;
|
881 | }
|
882 | setupSessionCheckEventListener() {
|
883 | this.removeSessionCheckEventListener();
|
884 | this.sessionCheckEventListener = (e) => {
|
885 | const origin = e.origin.toLowerCase();
|
886 | const issuer = this.issuer.toLowerCase();
|
887 | this.debug('sessionCheckEventListener');
|
888 | if (!issuer.startsWith(origin)) {
|
889 | this.debug('sessionCheckEventListener', 'wrong origin', origin, 'expected', issuer, 'event', e);
|
890 | return;
|
891 | }
|
892 | // only run in Angular zone if it is 'changed' or 'error'
|
893 | switch (e.data) {
|
894 | case 'unchanged':
|
895 | this.ngZone.run(() => {
|
896 | this.handleSessionUnchanged();
|
897 | });
|
898 | break;
|
899 | case 'changed':
|
900 | this.ngZone.run(() => {
|
901 | this.handleSessionChange();
|
902 | });
|
903 | break;
|
904 | case 'error':
|
905 | this.ngZone.run(() => {
|
906 | this.handleSessionError();
|
907 | });
|
908 | break;
|
909 | }
|
910 | this.debug('got info from session check inframe', e);
|
911 | };
|
912 | // prevent Angular from refreshing the view on every message (runs in intervals)
|
913 | this.ngZone.runOutsideAngular(() => {
|
914 | window.addEventListener('message', this.sessionCheckEventListener);
|
915 | });
|
916 | }
|
917 | handleSessionUnchanged() {
|
918 | this.debug('session check', 'session unchanged');
|
919 | this.eventsSubject.next(new OAuthInfoEvent('session_unchanged'));
|
920 | }
|
921 | handleSessionChange() {
|
922 | this.eventsSubject.next(new OAuthInfoEvent('session_changed'));
|
923 | this.stopSessionCheckTimer();
|
924 | if (!this.useSilentRefresh && this.responseType === 'code') {
|
925 | this.refreshToken()
|
926 | .then(() => {
|
927 | this.debug('token refresh after session change worked');
|
928 | })
|
929 | .catch(() => {
|
930 | this.debug('token refresh did not work after session changed');
|
931 | this.eventsSubject.next(new OAuthInfoEvent('session_terminated'));
|
932 | this.logOut(true);
|
933 | });
|
934 | }
|
935 | else if (this.silentRefreshRedirectUri) {
|
936 | this.silentRefresh().catch(() => this.debug('silent refresh failed after session changed'));
|
937 | this.waitForSilentRefreshAfterSessionChange();
|
938 | }
|
939 | else {
|
940 | this.eventsSubject.next(new OAuthInfoEvent('session_terminated'));
|
941 | this.logOut(true);
|
942 | }
|
943 | }
|
944 | waitForSilentRefreshAfterSessionChange() {
|
945 | this.events
|
946 | .pipe(filter((e) => e.type === 'silently_refreshed' ||
|
947 | e.type === 'silent_refresh_timeout' ||
|
948 | e.type === 'silent_refresh_error'), first())
|
949 | .subscribe((e) => {
|
950 | if (e.type !== 'silently_refreshed') {
|
951 | this.debug('silent refresh did not work after session changed');
|
952 | this.eventsSubject.next(new OAuthInfoEvent('session_terminated'));
|
953 | this.logOut(true);
|
954 | }
|
955 | });
|
956 | }
|
957 | handleSessionError() {
|
958 | this.stopSessionCheckTimer();
|
959 | this.eventsSubject.next(new OAuthInfoEvent('session_error'));
|
960 | }
|
961 | removeSessionCheckEventListener() {
|
962 | if (this.sessionCheckEventListener) {
|
963 | window.removeEventListener('message', this.sessionCheckEventListener);
|
964 | this.sessionCheckEventListener = null;
|
965 | }
|
966 | }
|
967 | initSessionCheck() {
|
968 | if (!this.canPerformSessionCheck()) {
|
969 | return;
|
970 | }
|
971 | const existingIframe = this.document.getElementById(this.sessionCheckIFrameName);
|
972 | if (existingIframe) {
|
973 | this.document.body.removeChild(existingIframe);
|
974 | }
|
975 | const iframe = this.document.createElement('iframe');
|
976 | iframe.id = this.sessionCheckIFrameName;
|
977 | this.setupSessionCheckEventListener();
|
978 | const url = this.sessionCheckIFrameUrl;
|
979 | iframe.setAttribute('src', url);
|
980 | iframe.style.display = 'none';
|
981 | this.document.body.appendChild(iframe);
|
982 | this.startSessionCheckTimer();
|
983 | }
|
984 | startSessionCheckTimer() {
|
985 | this.stopSessionCheckTimer();
|
986 | this.ngZone.runOutsideAngular(() => {
|
987 | this.sessionCheckTimer = setInterval(this.checkSession.bind(this), this.sessionCheckIntervall);
|
988 | });
|
989 | }
|
990 | stopSessionCheckTimer() {
|
991 | if (this.sessionCheckTimer) {
|
992 | clearInterval(this.sessionCheckTimer);
|
993 | this.sessionCheckTimer = null;
|
994 | }
|
995 | }
|
996 | checkSession() {
|
997 | const iframe = this.document.getElementById(this.sessionCheckIFrameName);
|
998 | if (!iframe) {
|
999 | this.logger.warn('checkSession did not find iframe', this.sessionCheckIFrameName);
|
1000 | }
|
1001 | const sessionState = this.getSessionState();
|
1002 | if (!sessionState) {
|
1003 | this.stopSessionCheckTimer();
|
1004 | }
|
1005 | const message = this.clientId + ' ' + sessionState;
|
1006 | iframe.contentWindow.postMessage(message, this.issuer);
|
1007 | }
|
1008 | async createLoginUrl(state = '', loginHint = '', customRedirectUri = '', noPrompt = false, params = {}) {
|
1009 | const that = this; // eslint-disable-line @typescript-eslint/no-this-alias
|
1010 | let redirectUri;
|
1011 | if (customRedirectUri) {
|
1012 | redirectUri = customRedirectUri;
|
1013 | }
|
1014 | else {
|
1015 | redirectUri = this.redirectUri;
|
1016 | }
|
1017 | const nonce = await this.createAndSaveNonce();
|
1018 | if (state) {
|
1019 | state =
|
1020 | nonce + this.config.nonceStateSeparator + encodeURIComponent(state);
|
1021 | }
|
1022 | else {
|
1023 | state = nonce;
|
1024 | }
|
1025 | if (!this.requestAccessToken && !this.oidc) {
|
1026 | throw new Error('Either requestAccessToken or oidc or both must be true');
|
1027 | }
|
1028 | if (this.config.responseType) {
|
1029 | this.responseType = this.config.responseType;
|
1030 | }
|
1031 | else {
|
1032 | if (this.oidc && this.requestAccessToken) {
|
1033 | this.responseType = 'id_token token';
|
1034 | }
|
1035 | else if (this.oidc && !this.requestAccessToken) {
|
1036 | this.responseType = 'id_token';
|
1037 | }
|
1038 | else {
|
1039 | this.responseType = 'token';
|
1040 | }
|
1041 | }
|
1042 | const seperationChar = that.loginUrl.indexOf('?') > -1 ? '&' : '?';
|
1043 | let scope = that.scope;
|
1044 | if (this.oidc && !scope.match(/(^|\s)openid($|\s)/)) {
|
1045 | scope = 'openid ' + scope;
|
1046 | }
|
1047 | let url = that.loginUrl +
|
1048 | seperationChar +
|
1049 | 'response_type=' +
|
1050 | encodeURIComponent(that.responseType) +
|
1051 | '&client_id=' +
|
1052 | encodeURIComponent(that.clientId) +
|
1053 | '&state=' +
|
1054 | encodeURIComponent(state) +
|
1055 | '&redirect_uri=' +
|
1056 | encodeURIComponent(redirectUri) +
|
1057 | '&scope=' +
|
1058 | encodeURIComponent(scope);
|
1059 | if (this.responseType.includes('code') && !this.disablePKCE) {
|
1060 | const [challenge, verifier] = await this.createChallangeVerifierPairForPKCE();
|
1061 | if (this.saveNoncesInLocalStorage &&
|
1062 | typeof window['localStorage'] !== 'undefined') {
|
1063 | localStorage.setItem('PKCE_verifier', verifier);
|
1064 | }
|
1065 | else {
|
1066 | this._storage.setItem('PKCE_verifier', verifier);
|
1067 | }
|
1068 | url += '&code_challenge=' + challenge;
|
1069 | url += '&code_challenge_method=S256';
|
1070 | }
|
1071 | if (loginHint) {
|
1072 | url += '&login_hint=' + encodeURIComponent(loginHint);
|
1073 | }
|
1074 | if (that.resource) {
|
1075 | url += '&resource=' + encodeURIComponent(that.resource);
|
1076 | }
|
1077 | if (that.oidc) {
|
1078 | url += '&nonce=' + encodeURIComponent(nonce);
|
1079 | }
|
1080 | if (noPrompt) {
|
1081 | url += '&prompt=none';
|
1082 | }
|
1083 | for (const key of Object.keys(params)) {
|
1084 | url +=
|
1085 | '&' + encodeURIComponent(key) + '=' + encodeURIComponent(params[key]);
|
1086 | }
|
1087 | if (this.customQueryParams) {
|
1088 | for (const key of Object.getOwnPropertyNames(this.customQueryParams)) {
|
1089 | url +=
|
1090 | '&' + key + '=' + encodeURIComponent(this.customQueryParams[key]);
|
1091 | }
|
1092 | }
|
1093 | return url;
|
1094 | }
|
1095 | initImplicitFlowInternal(additionalState = '', params = '') {
|
1096 | if (this.inImplicitFlow) {
|
1097 | return;
|
1098 | }
|
1099 | this.inImplicitFlow = true;
|
1100 | if (!this.validateUrlForHttps(this.loginUrl)) {
|
1101 | throw new Error("loginUrl must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).");
|
1102 | }
|
1103 | let addParams = {};
|
1104 | let loginHint = null;
|
1105 | if (typeof params === 'string') {
|
1106 | loginHint = params;
|
1107 | }
|
1108 | else if (typeof params === 'object') {
|
1109 | addParams = params;
|
1110 | }
|
1111 | this.createLoginUrl(additionalState, loginHint, null, false, addParams)
|
1112 | .then(this.config.openUri)
|
1113 | .catch((error) => {
|
1114 | console.error('Error in initImplicitFlow', error);
|
1115 | this.inImplicitFlow = false;
|
1116 | });
|
1117 | }
|
1118 | /**
|
1119 | * Starts the implicit flow and redirects to user to
|
1120 | * the auth servers' login url.
|
1121 | *
|
1122 | * @param additionalState Optional state that is passed around.
|
1123 | * You'll find this state in the property `state` after `tryLogin` logged in the user.
|
1124 | * @param params Hash with additional parameter. If it is a string, it is used for the
|
1125 | * parameter loginHint (for the sake of compatibility with former versions)
|
1126 | */
|
1127 | initImplicitFlow(additionalState = '', params = '') {
|
1128 | if (this.loginUrl !== '') {
|
1129 | this.initImplicitFlowInternal(additionalState, params);
|
1130 | }
|
1131 | else {
|
1132 | this.events
|
1133 | .pipe(filter((e) => e.type === 'discovery_document_loaded'))
|
1134 | .subscribe(() => this.initImplicitFlowInternal(additionalState, params));
|
1135 | }
|
1136 | }
|
1137 | /**
|
1138 | * Reset current implicit flow
|
1139 | *
|
1140 | * @description This method allows resetting the current implict flow in order to be initialized again.
|
1141 | */
|
1142 | resetImplicitFlow() {
|
1143 | this.inImplicitFlow = false;
|
1144 | }
|
1145 | callOnTokenReceivedIfExists(options) {
|
1146 | const that = this; // eslint-disable-line @typescript-eslint/no-this-alias
|
1147 | if (options.onTokenReceived) {
|
1148 | const tokenParams = {
|
1149 | idClaims: that.getIdentityClaims(),
|
1150 | idToken: that.getIdToken(),
|
1151 | accessToken: that.getAccessToken(),
|
1152 | state: that.state,
|
1153 | };
|
1154 | options.onTokenReceived(tokenParams);
|
1155 | }
|
1156 | }
|
1157 | storeAccessTokenResponse(accessToken, refreshToken, expiresIn, grantedScopes, customParameters) {
|
1158 | this._storage.setItem('access_token', accessToken);
|
1159 | if (grantedScopes && !Array.isArray(grantedScopes)) {
|
1160 | this._storage.setItem('granted_scopes', JSON.stringify(grantedScopes.split(' ')));
|
1161 | }
|
1162 | else if (grantedScopes && Array.isArray(grantedScopes)) {
|
1163 | this._storage.setItem('granted_scopes', JSON.stringify(grantedScopes));
|
1164 | }
|
1165 | this._storage.setItem('access_token_stored_at', '' + this.dateTimeService.now());
|
1166 | if (expiresIn) {
|
1167 | const expiresInMilliSeconds = expiresIn * 1000;
|
1168 | const now = this.dateTimeService.new();
|
1169 | const expiresAt = now.getTime() + expiresInMilliSeconds;
|
1170 | this._storage.setItem('expires_at', '' + expiresAt);
|
1171 | }
|
1172 | if (refreshToken) {
|
1173 | this._storage.setItem('refresh_token', refreshToken);
|
1174 | }
|
1175 | if (customParameters) {
|
1176 | customParameters.forEach((value, key) => {
|
1177 | this._storage.setItem(key, value);
|
1178 | });
|
1179 | }
|
1180 | }
|
1181 | /**
|
1182 | * Delegates to tryLoginImplicitFlow for the sake of competability
|
1183 | * @param options Optional options.
|
1184 | */
|
1185 | tryLogin(options = null) {
|
1186 | if (this.config.responseType === 'code') {
|
1187 | return this.tryLoginCodeFlow(options).then(() => true);
|
1188 | }
|
1189 | else {
|
1190 | return this.tryLoginImplicitFlow(options);
|
1191 | }
|
1192 | }
|
1193 | parseQueryString(queryString) {
|
1194 | if (!queryString || queryString.length === 0) {
|
1195 | return {};
|
1196 | }
|
1197 | if (queryString.charAt(0) === '?') {
|
1198 | queryString = queryString.substr(1);
|
1199 | }
|
1200 | return this.urlHelper.parseQueryString(queryString);
|
1201 | }
|
1202 | async tryLoginCodeFlow(options = null) {
|
1203 | options = options || {};
|
1204 | const querySource = options.customHashFragment
|
1205 | ? options.customHashFragment.substring(1)
|
1206 | : window.location.search;
|
1207 | const parts = this.getCodePartsFromUrl(querySource);
|
1208 | const code = parts['code'];
|
1209 | const state = parts['state'];
|
1210 | const sessionState = parts['session_state'];
|
1211 | if (!options.preventClearHashAfterLogin) {
|
1212 | const href = location.origin +
|
1213 | location.pathname +
|
1214 | location.search
|
1215 | .replace(/code=[^&$]*/, '')
|
1216 | .replace(/scope=[^&$]*/, '')
|
1217 | .replace(/state=[^&$]*/, '')
|
1218 | .replace(/session_state=[^&$]*/, '')
|
1219 | .replace(/^\?&/, '?')
|
1220 | .replace(/&$/, '')
|
1221 | .replace(/^\?$/, '')
|
1222 | .replace(/&+/g, '&')
|
1223 | .replace(/\?&/, '?')
|
1224 | .replace(/\?$/, '') +
|
1225 | location.hash;
|
1226 | history.replaceState(null, window.name, href);
|
1227 | }
|
1228 | const [nonceInState, userState] = this.parseState(state);
|
1229 | this.state = userState;
|
1230 | if (parts['error']) {
|
1231 | this.debug('error trying to login');
|
1232 | this.handleLoginError(options, parts);
|
1233 | const err = new OAuthErrorEvent('code_error', {}, parts);
|
1234 | this.eventsSubject.next(err);
|
1235 | return Promise.reject(err);
|
1236 | }
|
1237 | if (!options.disableNonceCheck) {
|
1238 | if (!nonceInState) {
|
1239 | this.saveRequestedRoute();
|
1240 | return Promise.resolve();
|
1241 | }
|
1242 | if (!options.disableOAuth2StateCheck) {
|
1243 | const success = this.validateNonce(nonceInState);
|
1244 | if (!success) {
|
1245 | const event = new OAuthErrorEvent('invalid_nonce_in_state', null);
|
1246 | this.eventsSubject.next(event);
|
1247 | return Promise.reject(event);
|
1248 | }
|
1249 | }
|
1250 | }
|
1251 | this.storeSessionState(sessionState);
|
1252 | if (code) {
|
1253 | await this.getTokenFromCode(code, options);
|
1254 | this.restoreRequestedRoute();
|
1255 | return Promise.resolve();
|
1256 | }
|
1257 | else {
|
1258 | return Promise.resolve();
|
1259 | }
|
1260 | }
|
1261 | saveRequestedRoute() {
|
1262 | if (this.config.preserveRequestedRoute) {
|
1263 | this._storage.setItem('requested_route', window.location.pathname + window.location.search);
|
1264 | }
|
1265 | }
|
1266 | restoreRequestedRoute() {
|
1267 | const requestedRoute = this._storage.getItem('requested_route');
|
1268 | if (requestedRoute) {
|
1269 | history.replaceState(null, '', window.location.origin + requestedRoute);
|
1270 | }
|
1271 | }
|
1272 | /**
|
1273 | * Retrieve the returned auth code from the redirect uri that has been called.
|
1274 | * If required also check hash, as we could use hash location strategy.
|
1275 | */
|
1276 | getCodePartsFromUrl(queryString) {
|
1277 | if (!queryString || queryString.length === 0) {
|
1278 | return this.urlHelper.getHashFragmentParams();
|
1279 | }
|
1280 | // normalize query string
|
1281 | if (queryString.charAt(0) === '?') {
|
1282 | queryString = queryString.substr(1);
|
1283 | }
|
1284 | return this.urlHelper.parseQueryString(queryString);
|
1285 | }
|
1286 | /**
|
1287 | * Get token using an intermediate code. Works for the Authorization Code flow.
|
1288 | */
|
1289 | getTokenFromCode(code, options) {
|
1290 | let params = new HttpParams({ encoder: new WebHttpUrlEncodingCodec() })
|
1291 | .set('grant_type', 'authorization_code')
|
1292 | .set('code', code)
|
1293 | .set('redirect_uri', options.customRedirectUri || this.redirectUri);
|
1294 | if (!this.disablePKCE) {
|
1295 | let PKCEVerifier;
|
1296 | if (this.saveNoncesInLocalStorage &&
|
1297 | typeof window['localStorage'] !== 'undefined') {
|
1298 | PKCEVerifier = localStorage.getItem('PKCE_verifier');
|
1299 | }
|
1300 | else {
|
1301 | PKCEVerifier = this._storage.getItem('PKCE_verifier');
|
1302 | }
|
1303 | if (!PKCEVerifier) {
|
1304 | console.warn('No PKCE verifier found in oauth storage!');
|
1305 | }
|
1306 | else {
|
1307 | params = params.set('code_verifier', PKCEVerifier);
|
1308 | }
|
1309 | }
|
1310 | return this.fetchAndProcessToken(params, options);
|
1311 | }
|
1312 | fetchAndProcessToken(params, options) {
|
1313 | options = options || {};
|
1314 | this.assertUrlNotNullAndCorrectProtocol(this.tokenEndpoint, 'tokenEndpoint');
|
1315 | let headers = new HttpHeaders().set('Content-Type', 'application/x-www-form-urlencoded');
|
1316 | if (this.useHttpBasicAuth) {
|
1317 | const header = btoa(`${this.clientId}:${this.dummyClientSecret}`);
|
1318 | headers = headers.set('Authorization', 'Basic ' + header);
|
1319 | }
|
1320 | if (!this.useHttpBasicAuth) {
|
1321 | params = params.set('client_id', this.clientId);
|
1322 | }
|
1323 | if (!this.useHttpBasicAuth && this.dummyClientSecret) {
|
1324 | params = params.set('client_secret', this.dummyClientSecret);
|
1325 | }
|
1326 | return new Promise((resolve, reject) => {
|
1327 | if (this.customQueryParams) {
|
1328 | for (const key of Object.getOwnPropertyNames(this.customQueryParams)) {
|
1329 | params = params.set(key, this.customQueryParams[key]);
|
1330 | }
|
1331 | }
|
1332 | this.http
|
1333 | .post(this.tokenEndpoint, params, { headers })
|
1334 | .subscribe((tokenResponse) => {
|
1335 | this.debug('refresh tokenResponse', tokenResponse);
|
1336 | this.storeAccessTokenResponse(tokenResponse.access_token, tokenResponse.refresh_token, tokenResponse.expires_in ||
|
1337 | this.fallbackAccessTokenExpirationTimeInSec, tokenResponse.scope, this.extractRecognizedCustomParameters(tokenResponse));
|
1338 | if (this.oidc && tokenResponse.id_token) {
|
1339 | this.processIdToken(tokenResponse.id_token, tokenResponse.access_token, options.disableNonceCheck)
|
1340 | .then((result) => {
|
1341 | this.storeIdToken(result);
|
1342 | this.eventsSubject.next(new OAuthSuccessEvent('token_received'));
|
1343 | this.eventsSubject.next(new OAuthSuccessEvent('token_refreshed'));
|
1344 | resolve(tokenResponse);
|
1345 | })
|
1346 | .catch((reason) => {
|
1347 | this.eventsSubject.next(new OAuthErrorEvent('token_validation_error', reason));
|
1348 | console.error('Error validating tokens');
|
1349 | console.error(reason);
|
1350 | reject(reason);
|
1351 | });
|
1352 | }
|
1353 | else {
|
1354 | this.eventsSubject.next(new OAuthSuccessEvent('token_received'));
|
1355 | this.eventsSubject.next(new OAuthSuccessEvent('token_refreshed'));
|
1356 | resolve(tokenResponse);
|
1357 | }
|
1358 | }, (err) => {
|
1359 | console.error('Error getting token', err);
|
1360 | this.eventsSubject.next(new OAuthErrorEvent('token_refresh_error', err));
|
1361 | reject(err);
|
1362 | });
|
1363 | });
|
1364 | }
|
1365 | /**
|
1366 | * Checks whether there are tokens in the hash fragment
|
1367 | * as a result of the implicit flow. These tokens are
|
1368 | * parsed, validated and used to sign the user in to the
|
1369 | * current client.
|
1370 | *
|
1371 | * @param options Optional options.
|
1372 | */
|
1373 | tryLoginImplicitFlow(options = null) {
|
1374 | options = options || {};
|
1375 | let parts;
|
1376 | if (options.customHashFragment) {
|
1377 | parts = this.urlHelper.getHashFragmentParams(options.customHashFragment);
|
1378 | }
|
1379 | else {
|
1380 | parts = this.urlHelper.getHashFragmentParams();
|
1381 | }
|
1382 | this.debug('parsed url', parts);
|
1383 | const state = parts['state'];
|
1384 | const [nonceInState, userState] = this.parseState(state);
|
1385 | this.state = userState;
|
1386 | if (parts['error']) {
|
1387 | this.debug('error trying to login');
|
1388 | this.handleLoginError(options, parts);
|
1389 | const err = new OAuthErrorEvent('token_error', {}, parts);
|
1390 | this.eventsSubject.next(err);
|
1391 | return Promise.reject(err);
|
1392 | }
|
1393 | const accessToken = parts['access_token'];
|
1394 | const idToken = parts['id_token'];
|
1395 | const sessionState = parts['session_state'];
|
1396 | const grantedScopes = parts['scope'];
|
1397 | if (!this.requestAccessToken && !this.oidc) {
|
1398 | return Promise.reject('Either requestAccessToken or oidc (or both) must be true.');
|
1399 | }
|
1400 | if (this.requestAccessToken && !accessToken) {
|
1401 | return Promise.resolve(false);
|
1402 | }
|
1403 | if (this.requestAccessToken && !options.disableOAuth2StateCheck && !state) {
|
1404 | return Promise.resolve(false);
|
1405 | }
|
1406 | if (this.oidc && !idToken) {
|
1407 | return Promise.resolve(false);
|
1408 | }
|
1409 | if (this.sessionChecksEnabled && !sessionState) {
|
1410 | this.logger.warn('session checks (Session Status Change Notification) ' +
|
1411 | 'were activated in the configuration but the id_token ' +
|
1412 | 'does not contain a session_state claim');
|
1413 | }
|
1414 | if (this.requestAccessToken && !options.disableNonceCheck) {
|
1415 | const success = this.validateNonce(nonceInState);
|
1416 | if (!success) {
|
1417 | const event = new OAuthErrorEvent('invalid_nonce_in_state', null);
|
1418 | this.eventsSubject.next(event);
|
1419 | return Promise.reject(event);
|
1420 | }
|
1421 | }
|
1422 | if (this.requestAccessToken) {
|
1423 | this.storeAccessTokenResponse(accessToken, null, parts['expires_in'] || this.fallbackAccessTokenExpirationTimeInSec, grantedScopes);
|
1424 | }
|
1425 | if (!this.oidc) {
|
1426 | this.eventsSubject.next(new OAuthSuccessEvent('token_received'));
|
1427 | if (this.clearHashAfterLogin && !options.preventClearHashAfterLogin) {
|
1428 | this.clearLocationHash();
|
1429 | }
|
1430 | this.callOnTokenReceivedIfExists(options);
|
1431 | return Promise.resolve(true);
|
1432 | }
|
1433 | return this.processIdToken(idToken, accessToken, options.disableNonceCheck)
|
1434 | .then((result) => {
|
1435 | if (options.validationHandler) {
|
1436 | return options
|
1437 | .validationHandler({
|
1438 | accessToken: accessToken,
|
1439 | idClaims: result.idTokenClaims,
|
1440 | idToken: result.idToken,
|
1441 | state: state,
|
1442 | })
|
1443 | .then(() => result);
|
1444 | }
|
1445 | return result;
|
1446 | })
|
1447 | .then((result) => {
|
1448 | this.storeIdToken(result);
|
1449 | this.storeSessionState(sessionState);
|
1450 | if (this.clearHashAfterLogin && !options.preventClearHashAfterLogin) {
|
1451 | this.clearLocationHash();
|
1452 | }
|
1453 | this.eventsSubject.next(new OAuthSuccessEvent('token_received'));
|
1454 | this.callOnTokenReceivedIfExists(options);
|
1455 | this.inImplicitFlow = false;
|
1456 | return true;
|
1457 | })
|
1458 | .catch((reason) => {
|
1459 | this.eventsSubject.next(new OAuthErrorEvent('token_validation_error', reason));
|
1460 | this.logger.error('Error validating tokens');
|
1461 | this.logger.error(reason);
|
1462 | return Promise.reject(reason);
|
1463 | });
|
1464 | }
|
1465 | parseState(state) {
|
1466 | let nonce = state;
|
1467 | let userState = '';
|
1468 | if (state) {
|
1469 | const idx = state.indexOf(this.config.nonceStateSeparator);
|
1470 | if (idx > -1) {
|
1471 | nonce = state.substr(0, idx);
|
1472 | userState = state.substr(idx + this.config.nonceStateSeparator.length);
|
1473 | }
|
1474 | }
|
1475 | return [nonce, userState];
|
1476 | }
|
1477 | validateNonce(nonceInState) {
|
1478 | let savedNonce;
|
1479 | if (this.saveNoncesInLocalStorage &&
|
1480 | typeof window['localStorage'] !== 'undefined') {
|
1481 | savedNonce = localStorage.getItem('nonce');
|
1482 | }
|
1483 | else {
|
1484 | savedNonce = this._storage.getItem('nonce');
|
1485 | }
|
1486 | if (savedNonce !== nonceInState) {
|
1487 | const err = 'Validating access_token failed, wrong state/nonce.';
|
1488 | console.error(err, savedNonce, nonceInState);
|
1489 | return false;
|
1490 | }
|
1491 | return true;
|
1492 | }
|
1493 | storeIdToken(idToken) {
|
1494 | this._storage.setItem('id_token', idToken.idToken);
|
1495 | this._storage.setItem('id_token_claims_obj', idToken.idTokenClaimsJson);
|
1496 | this._storage.setItem('id_token_expires_at', '' + idToken.idTokenExpiresAt);
|
1497 | this._storage.setItem('id_token_stored_at', '' + this.dateTimeService.now());
|
1498 | }
|
1499 | storeSessionState(sessionState) {
|
1500 | this._storage.setItem('session_state', sessionState);
|
1501 | }
|
1502 | getSessionState() {
|
1503 | return this._storage.getItem('session_state');
|
1504 | }
|
1505 | handleLoginError(options, parts) {
|
1506 | if (options.onLoginError) {
|
1507 | options.onLoginError(parts);
|
1508 | }
|
1509 | if (this.clearHashAfterLogin && !options.preventClearHashAfterLogin) {
|
1510 | this.clearLocationHash();
|
1511 | }
|
1512 | }
|
1513 | getClockSkewInMsec(defaultSkewMsc = 600000) {
|
1514 | if (!this.clockSkewInSec && this.clockSkewInSec !== 0) {
|
1515 | return defaultSkewMsc;
|
1516 | }
|
1517 | return this.clockSkewInSec * 1000;
|
1518 | }
|
1519 | /**
|
1520 | * @ignore
|
1521 | */
|
1522 | processIdToken(idToken, accessToken, skipNonceCheck = false) {
|
1523 | const tokenParts = idToken.split('.');
|
1524 | const headerBase64 = this.padBase64(tokenParts[0]);
|
1525 | const headerJson = b64DecodeUnicode(headerBase64);
|
1526 | const header = JSON.parse(headerJson);
|
1527 | const claimsBase64 = this.padBase64(tokenParts[1]);
|
1528 | const claimsJson = b64DecodeUnicode(claimsBase64);
|
1529 | const claims = JSON.parse(claimsJson);
|
1530 | let savedNonce;
|
1531 | if (this.saveNoncesInLocalStorage &&
|
1532 | typeof window['localStorage'] !== 'undefined') {
|
1533 | savedNonce = localStorage.getItem('nonce');
|
1534 | }
|
1535 | else {
|
1536 | savedNonce = this._storage.getItem('nonce');
|
1537 | }
|
1538 | if (Array.isArray(claims.aud)) {
|
1539 | if (claims.aud.every((v) => v !== this.clientId)) {
|
1540 | const err = 'Wrong audience: ' + claims.aud.join(',');
|
1541 | this.logger.warn(err);
|
1542 | return Promise.reject(err);
|
1543 | }
|
1544 | }
|
1545 | else {
|
1546 | if (claims.aud !== this.clientId) {
|
1547 | const err = 'Wrong audience: ' + claims.aud;
|
1548 | this.logger.warn(err);
|
1549 | return Promise.reject(err);
|
1550 | }
|
1551 | }
|
1552 | if (!claims.sub) {
|
1553 | const err = 'No sub claim in id_token';
|
1554 | this.logger.warn(err);
|
1555 | return Promise.reject(err);
|
1556 | }
|
1557 | /* For now, we only check whether the sub against
|
1558 | * silentRefreshSubject when sessionChecksEnabled is on
|
1559 | * We will reconsider in a later version to do this
|
1560 | * in every other case too.
|
1561 | */
|
1562 | if (this.sessionChecksEnabled &&
|
1563 | this.silentRefreshSubject &&
|
1564 | this.silentRefreshSubject !== claims['sub']) {
|
1565 | const err = 'After refreshing, we got an id_token for another user (sub). ' +
|
1566 | `Expected sub: ${this.silentRefreshSubject}, received sub: ${claims['sub']}`;
|
1567 | this.logger.warn(err);
|
1568 | return Promise.reject(err);
|
1569 | }
|
1570 | if (!claims.iat) {
|
1571 | const err = 'No iat claim in id_token';
|
1572 | this.logger.warn(err);
|
1573 | return Promise.reject(err);
|
1574 | }
|
1575 | if (!this.skipIssuerCheck && claims.iss !== this.issuer) {
|
1576 | const err = 'Wrong issuer: ' + claims.iss;
|
1577 | this.logger.warn(err);
|
1578 | return Promise.reject(err);
|
1579 | }
|
1580 | if (!skipNonceCheck && claims.nonce !== savedNonce) {
|
1581 | const err = 'Wrong nonce: ' + claims.nonce;
|
1582 | this.logger.warn(err);
|
1583 | return Promise.reject(err);
|
1584 | }
|
1585 | // at_hash is not applicable to authorization code flow
|
1586 | // addressing https://github.com/manfredsteyer/angular-oauth2-oidc/issues/661
|
1587 | // i.e. Based on spec the at_hash check is only true for implicit code flow on Ping Federate
|
1588 | // https://www.pingidentity.com/developer/en/resources/openid-connect-developers-guide.html
|
1589 | if (Object.prototype.hasOwnProperty.call(this, 'responseType') &&
|
1590 | (this.responseType === 'code' || this.responseType === 'id_token')) {
|
1591 | this.disableAtHashCheck = true;
|
1592 | }
|
1593 | if (!this.disableAtHashCheck &&
|
1594 | this.requestAccessToken &&
|
1595 | !claims['at_hash']) {
|
1596 | const err = 'An at_hash is needed!';
|
1597 | this.logger.warn(err);
|
1598 | return Promise.reject(err);
|
1599 | }
|
1600 | const now = this.dateTimeService.now();
|
1601 | const issuedAtMSec = claims.iat * 1000;
|
1602 | const expiresAtMSec = claims.exp * 1000;
|
1603 | const clockSkewInMSec = this.getClockSkewInMsec(); // (this.getClockSkewInMsec() || 600) * 1000;
|
1604 | if (issuedAtMSec - clockSkewInMSec >= now ||
|
1605 | expiresAtMSec + clockSkewInMSec - this.decreaseExpirationBySec <= now) {
|
1606 | const err = 'Token has expired';
|
1607 | console.error(err);
|
1608 | console.error({
|
1609 | now: now,
|
1610 | issuedAtMSec: issuedAtMSec,
|
1611 | expiresAtMSec: expiresAtMSec,
|
1612 | });
|
1613 | return Promise.reject(err);
|
1614 | }
|
1615 | const validationParams = {
|
1616 | accessToken: accessToken,
|
1617 | idToken: idToken,
|
1618 | jwks: this.jwks,
|
1619 | idTokenClaims: claims,
|
1620 | idTokenHeader: header,
|
1621 | loadKeys: () => this.loadJwks(),
|
1622 | };
|
1623 | if (this.disableAtHashCheck) {
|
1624 | return this.checkSignature(validationParams).then(() => {
|
1625 | const result = {
|
1626 | idToken: idToken,
|
1627 | idTokenClaims: claims,
|
1628 | idTokenClaimsJson: claimsJson,
|
1629 | idTokenHeader: header,
|
1630 | idTokenHeaderJson: headerJson,
|
1631 | idTokenExpiresAt: expiresAtMSec,
|
1632 | };
|
1633 | return result;
|
1634 | });
|
1635 | }
|
1636 | return this.checkAtHash(validationParams).then((atHashValid) => {
|
1637 | if (!this.disableAtHashCheck && this.requestAccessToken && !atHashValid) {
|
1638 | const err = 'Wrong at_hash';
|
1639 | this.logger.warn(err);
|
1640 | return Promise.reject(err);
|
1641 | }
|
1642 | return this.checkSignature(validationParams).then(() => {
|
1643 | const atHashCheckEnabled = !this.disableAtHashCheck;
|
1644 | const result = {
|
1645 | idToken: idToken,
|
1646 | idTokenClaims: claims,
|
1647 | idTokenClaimsJson: claimsJson,
|
1648 | idTokenHeader: header,
|
1649 | idTokenHeaderJson: headerJson,
|
1650 | idTokenExpiresAt: expiresAtMSec,
|
1651 | };
|
1652 | if (atHashCheckEnabled) {
|
1653 | return this.checkAtHash(validationParams).then((atHashValid) => {
|
1654 | if (this.requestAccessToken && !atHashValid) {
|
1655 | const err = 'Wrong at_hash';
|
1656 | this.logger.warn(err);
|
1657 | return Promise.reject(err);
|
1658 | }
|
1659 | else {
|
1660 | return result;
|
1661 | }
|
1662 | });
|
1663 | }
|
1664 | else {
|
1665 | return result;
|
1666 | }
|
1667 | });
|
1668 | });
|
1669 | }
|
1670 | /**
|
1671 | * Returns the received claims about the user.
|
1672 | */
|
1673 | getIdentityClaims() {
|
1674 | const claims = this._storage.getItem('id_token_claims_obj');
|
1675 | if (!claims) {
|
1676 | return null;
|
1677 | }
|
1678 | return JSON.parse(claims);
|
1679 | }
|
1680 | /**
|
1681 | * Returns the granted scopes from the server.
|
1682 | */
|
1683 | getGrantedScopes() {
|
1684 | const scopes = this._storage.getItem('granted_scopes');
|
1685 | if (!scopes) {
|
1686 | return null;
|
1687 | }
|
1688 | return JSON.parse(scopes);
|
1689 | }
|
1690 | /**
|
1691 | * Returns the current id_token.
|
1692 | */
|
1693 | getIdToken() {
|
1694 | return this._storage ? this._storage.getItem('id_token') : null;
|
1695 | }
|
1696 | padBase64(base64data) {
|
1697 | while (base64data.length % 4 !== 0) {
|
1698 | base64data += '=';
|
1699 | }
|
1700 | return base64data;
|
1701 | }
|
1702 | /**
|
1703 | * Returns the current access_token.
|
1704 | */
|
1705 | getAccessToken() {
|
1706 | return this._storage ? this._storage.getItem('access_token') : null;
|
1707 | }
|
1708 | getRefreshToken() {
|
1709 | return this._storage ? this._storage.getItem('refresh_token') : null;
|
1710 | }
|
1711 | /**
|
1712 | * Returns the expiration date of the access_token
|
1713 | * as milliseconds since 1970.
|
1714 | */
|
1715 | getAccessTokenExpiration() {
|
1716 | if (!this._storage.getItem('expires_at')) {
|
1717 | return null;
|
1718 | }
|
1719 | return parseInt(this._storage.getItem('expires_at'), 10);
|
1720 | }
|
1721 | getAccessTokenStoredAt() {
|
1722 | return parseInt(this._storage.getItem('access_token_stored_at'), 10);
|
1723 | }
|
1724 | getIdTokenStoredAt() {
|
1725 | return parseInt(this._storage.getItem('id_token_stored_at'), 10);
|
1726 | }
|
1727 | /**
|
1728 | * Returns the expiration date of the id_token
|
1729 | * as milliseconds since 1970.
|
1730 | */
|
1731 | getIdTokenExpiration() {
|
1732 | if (!this._storage.getItem('id_token_expires_at')) {
|
1733 | return null;
|
1734 | }
|
1735 | return parseInt(this._storage.getItem('id_token_expires_at'), 10);
|
1736 | }
|
1737 | /**
|
1738 | * Checkes, whether there is a valid access_token.
|
1739 | */
|
1740 | hasValidAccessToken() {
|
1741 | if (this.getAccessToken()) {
|
1742 | const expiresAt = this._storage.getItem('expires_at');
|
1743 | const now = this.dateTimeService.new();
|
1744 | if (expiresAt &&
|
1745 | parseInt(expiresAt, 10) - this.decreaseExpirationBySec <
|
1746 | now.getTime() - this.getClockSkewInMsec()) {
|
1747 | return false;
|
1748 | }
|
1749 | return true;
|
1750 | }
|
1751 | return false;
|
1752 | }
|
1753 | /**
|
1754 | * Checks whether there is a valid id_token.
|
1755 | */
|
1756 | hasValidIdToken() {
|
1757 | if (this.getIdToken()) {
|
1758 | const expiresAt = this._storage.getItem('id_token_expires_at');
|
1759 | const now = this.dateTimeService.new();
|
1760 | if (expiresAt &&
|
1761 | parseInt(expiresAt, 10) - this.decreaseExpirationBySec <
|
1762 | now.getTime() - this.getClockSkewInMsec()) {
|
1763 | return false;
|
1764 | }
|
1765 | return true;
|
1766 | }
|
1767 | return false;
|
1768 | }
|
1769 | /**
|
1770 | * Retrieve a saved custom property of the TokenReponse object. Only if predefined in authconfig.
|
1771 | */
|
1772 | getCustomTokenResponseProperty(requestedProperty) {
|
1773 | return this._storage &&
|
1774 | this.config.customTokenParameters &&
|
1775 | this.config.customTokenParameters.indexOf(requestedProperty) >= 0 &&
|
1776 | this._storage.getItem(requestedProperty) !== null
|
1777 | ? JSON.parse(this._storage.getItem(requestedProperty))
|
1778 | : null;
|
1779 | }
|
1780 | /**
|
1781 | * Returns the auth-header that can be used
|
1782 | * to transmit the access_token to a service
|
1783 | */
|
1784 | authorizationHeader() {
|
1785 | return 'Bearer ' + this.getAccessToken();
|
1786 | }
|
1787 | logOut(customParameters = {}, state = '') {
|
1788 | let noRedirectToLogoutUrl = false;
|
1789 | if (typeof customParameters === 'boolean') {
|
1790 | noRedirectToLogoutUrl = customParameters;
|
1791 | customParameters = {};
|
1792 | }
|
1793 | const id_token = this.getIdToken();
|
1794 | this._storage.removeItem('access_token');
|
1795 | this._storage.removeItem('id_token');
|
1796 | this._storage.removeItem('refresh_token');
|
1797 | if (this.saveNoncesInLocalStorage) {
|
1798 | localStorage.removeItem('nonce');
|
1799 | localStorage.removeItem('PKCE_verifier');
|
1800 | }
|
1801 | else {
|
1802 | this._storage.removeItem('nonce');
|
1803 | this._storage.removeItem('PKCE_verifier');
|
1804 | }
|
1805 | this._storage.removeItem('expires_at');
|
1806 | this._storage.removeItem('id_token_claims_obj');
|
1807 | this._storage.removeItem('id_token_expires_at');
|
1808 | this._storage.removeItem('id_token_stored_at');
|
1809 | this._storage.removeItem('access_token_stored_at');
|
1810 | this._storage.removeItem('granted_scopes');
|
1811 | this._storage.removeItem('session_state');
|
1812 | if (this.config.customTokenParameters) {
|
1813 | this.config.customTokenParameters.forEach((customParam) => this._storage.removeItem(customParam));
|
1814 | }
|
1815 | this.silentRefreshSubject = null;
|
1816 | this.eventsSubject.next(new OAuthInfoEvent('logout'));
|
1817 | if (!this.logoutUrl) {
|
1818 | return;
|
1819 | }
|
1820 | if (noRedirectToLogoutUrl) {
|
1821 | return;
|
1822 | }
|
1823 | // if (!id_token && !this.postLogoutRedirectUri) {
|
1824 | // return;
|
1825 | // }
|
1826 | let logoutUrl;
|
1827 | if (!this.validateUrlForHttps(this.logoutUrl)) {
|
1828 | throw new Error("logoutUrl must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).");
|
1829 | }
|
1830 | // For backward compatibility
|
1831 | if (this.logoutUrl.indexOf('{{') > -1) {
|
1832 | logoutUrl = this.logoutUrl
|
1833 | .replace(/\{\{id_token\}\}/, encodeURIComponent(id_token))
|
1834 | .replace(/\{\{client_id\}\}/, encodeURIComponent(this.clientId));
|
1835 | }
|
1836 | else {
|
1837 | let params = new HttpParams({ encoder: new WebHttpUrlEncodingCodec() });
|
1838 | if (id_token) {
|
1839 | params = params.set('id_token_hint', id_token);
|
1840 | }
|
1841 | const postLogoutUrl = this.postLogoutRedirectUri ||
|
1842 | (this.redirectUriAsPostLogoutRedirectUriFallback && this.redirectUri) ||
|
1843 | '';
|
1844 | if (postLogoutUrl) {
|
1845 | params = params.set('post_logout_redirect_uri', postLogoutUrl);
|
1846 | if (state) {
|
1847 | params = params.set('state', state);
|
1848 | }
|
1849 | }
|
1850 | for (const key in customParameters) {
|
1851 | params = params.set(key, customParameters[key]);
|
1852 | }
|
1853 | logoutUrl =
|
1854 | this.logoutUrl +
|
1855 | (this.logoutUrl.indexOf('?') > -1 ? '&' : '?') +
|
1856 | params.toString();
|
1857 | }
|
1858 | this.config.openUri(logoutUrl);
|
1859 | }
|
1860 | /**
|
1861 | * @ignore
|
1862 | */
|
1863 | createAndSaveNonce() {
|
1864 | const that = this; // eslint-disable-line @typescript-eslint/no-this-alias
|
1865 | return this.createNonce().then(function (nonce) {
|
1866 | // Use localStorage for nonce if possible
|
1867 | // localStorage is the only storage who survives a
|
1868 | // redirect in ALL browsers (also IE)
|
1869 | // Otherwiese we'd force teams who have to support
|
1870 | // IE into using localStorage for everything
|
1871 | if (that.saveNoncesInLocalStorage &&
|
1872 | typeof window['localStorage'] !== 'undefined') {
|
1873 | localStorage.setItem('nonce', nonce);
|
1874 | }
|
1875 | else {
|
1876 | that._storage.setItem('nonce', nonce);
|
1877 | }
|
1878 | return nonce;
|
1879 | });
|
1880 | }
|
1881 | /**
|
1882 | * @ignore
|
1883 | */
|
1884 | ngOnDestroy() {
|
1885 | this.clearAccessTokenTimer();
|
1886 | this.clearIdTokenTimer();
|
1887 | this.removeSilentRefreshEventListener();
|
1888 | const silentRefreshFrame = this.document.getElementById(this.silentRefreshIFrameName);
|
1889 | if (silentRefreshFrame) {
|
1890 | silentRefreshFrame.remove();
|
1891 | }
|
1892 | this.stopSessionCheckTimer();
|
1893 | this.removeSessionCheckEventListener();
|
1894 | const sessionCheckFrame = this.document.getElementById(this.sessionCheckIFrameName);
|
1895 | if (sessionCheckFrame) {
|
1896 | sessionCheckFrame.remove();
|
1897 | }
|
1898 | }
|
1899 | createNonce() {
|
1900 | return new Promise((resolve) => {
|
1901 | if (this.rngUrl) {
|
1902 | throw new Error('createNonce with rng-web-api has not been implemented so far');
|
1903 | }
|
1904 | /*
|
1905 | * This alphabet is from:
|
1906 | * https://tools.ietf.org/html/rfc7636#section-4.1
|
1907 | *
|
1908 | * [A-Z] / [a-z] / [0-9] / "-" / "." / "_" / "~"
|
1909 | */
|
1910 | const unreserved = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~';
|
1911 | let size = 45;
|
1912 | let id = '';
|
1913 | const crypto = typeof self === 'undefined' ? null : self.crypto || self['msCrypto'];
|
1914 | if (crypto) {
|
1915 | let bytes = new Uint8Array(size);
|
1916 | crypto.getRandomValues(bytes);
|
1917 | // Needed for IE
|
1918 | if (!bytes.map) {
|
1919 | bytes.map = Array.prototype.map;
|
1920 | }
|
1921 | bytes = bytes.map((x) => unreserved.charCodeAt(x % unreserved.length));
|
1922 | id = String.fromCharCode.apply(null, bytes);
|
1923 | }
|
1924 | else {
|
1925 | while (0 < size--) {
|
1926 | id += unreserved[(Math.random() * unreserved.length) | 0];
|
1927 | }
|
1928 | }
|
1929 | resolve(base64UrlEncode(id));
|
1930 | });
|
1931 | }
|
1932 | async checkAtHash(params) {
|
1933 | if (!this.tokenValidationHandler) {
|
1934 | this.logger.warn('No tokenValidationHandler configured. Cannot check at_hash.');
|
1935 | return true;
|
1936 | }
|
1937 | return this.tokenValidationHandler.validateAtHash(params);
|
1938 | }
|
1939 | checkSignature(params) {
|
1940 | if (!this.tokenValidationHandler) {
|
1941 | this.logger.warn('No tokenValidationHandler configured. Cannot check signature.');
|
1942 | return Promise.resolve(null);
|
1943 | }
|
1944 | return this.tokenValidationHandler.validateSignature(params);
|
1945 | }
|
1946 | /**
|
1947 | * Start the implicit flow or the code flow,
|
1948 | * depending on your configuration.
|
1949 | */
|
1950 | initLoginFlow(additionalState = '', params = {}) {
|
1951 | if (this.responseType === 'code') {
|
1952 | return this.initCodeFlow(additionalState, params);
|
1953 | }
|
1954 | else {
|
1955 | return this.initImplicitFlow(additionalState, params);
|
1956 | }
|
1957 | }
|
1958 | /**
|
1959 | * Starts the authorization code flow and redirects to user to
|
1960 | * the auth servers login url.
|
1961 | */
|
1962 | initCodeFlow(additionalState = '', params = {}) {
|
1963 | if (this.loginUrl !== '') {
|
1964 | this.initCodeFlowInternal(additionalState, params);
|
1965 | }
|
1966 | else {
|
1967 | this.events
|
1968 | .pipe(filter((e) => e.type === 'discovery_document_loaded'))
|
1969 | .subscribe(() => this.initCodeFlowInternal(additionalState, params));
|
1970 | }
|
1971 | }
|
1972 | initCodeFlowInternal(additionalState = '', params = {}) {
|
1973 | if (!this.validateUrlForHttps(this.loginUrl)) {
|
1974 | throw new Error("loginUrl must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).");
|
1975 | }
|
1976 | let addParams = {};
|
1977 | let loginHint = null;
|
1978 | if (typeof params === 'string') {
|
1979 | loginHint = params;
|
1980 | }
|
1981 | else if (typeof params === 'object') {
|
1982 | addParams = params;
|
1983 | }
|
1984 | this.createLoginUrl(additionalState, loginHint, null, false, addParams)
|
1985 | .then(this.config.openUri)
|
1986 | .catch((error) => {
|
1987 | console.error('Error in initAuthorizationCodeFlow');
|
1988 | console.error(error);
|
1989 | });
|
1990 | }
|
1991 | async createChallangeVerifierPairForPKCE() {
|
1992 | if (!this.crypto) {
|
1993 | throw new Error('PKCE support for code flow needs a CryptoHander. Did you import the OAuthModule using forRoot() ?');
|
1994 | }
|
1995 | const verifier = await this.createNonce();
|
1996 | const challengeRaw = await this.crypto.calcHash(verifier, 'sha-256');
|
1997 | const challenge = base64UrlEncode(challengeRaw);
|
1998 | return [challenge, verifier];
|
1999 | }
|
2000 | extractRecognizedCustomParameters(tokenResponse) {
|
2001 | const foundParameters = new Map();
|
2002 | if (!this.config.customTokenParameters) {
|
2003 | return foundParameters;
|
2004 | }
|
2005 | this.config.customTokenParameters.forEach((recognizedParameter) => {
|
2006 | if (tokenResponse[recognizedParameter]) {
|
2007 | foundParameters.set(recognizedParameter, JSON.stringify(tokenResponse[recognizedParameter]));
|
2008 | }
|
2009 | });
|
2010 | return foundParameters;
|
2011 | }
|
2012 | /**
|
2013 | * Revokes the auth token to secure the vulnarability
|
2014 | * of the token issued allowing the authorization server to clean
|
2015 | * up any security credentials associated with the authorization
|
2016 | */
|
2017 | revokeTokenAndLogout(customParameters = {}, ignoreCorsIssues = false) {
|
2018 | const revokeEndpoint = this.revocationEndpoint;
|
2019 | const accessToken = this.getAccessToken();
|
2020 | const refreshToken = this.getRefreshToken();
|
2021 | if (!accessToken) {
|
2022 | return Promise.resolve();
|
2023 | }
|
2024 | let params = new HttpParams({ encoder: new WebHttpUrlEncodingCodec() });
|
2025 | let headers = new HttpHeaders().set('Content-Type', 'application/x-www-form-urlencoded');
|
2026 | if (this.useHttpBasicAuth) {
|
2027 | const header = btoa(`${this.clientId}:${this.dummyClientSecret}`);
|
2028 | headers = headers.set('Authorization', 'Basic ' + header);
|
2029 | }
|
2030 | if (!this.useHttpBasicAuth) {
|
2031 | params = params.set('client_id', this.clientId);
|
2032 | }
|
2033 | if (!this.useHttpBasicAuth && this.dummyClientSecret) {
|
2034 | params = params.set('client_secret', this.dummyClientSecret);
|
2035 | }
|
2036 | if (this.customQueryParams) {
|
2037 | for (const key of Object.getOwnPropertyNames(this.customQueryParams)) {
|
2038 | params = params.set(key, this.customQueryParams[key]);
|
2039 | }
|
2040 | }
|
2041 | return new Promise((resolve, reject) => {
|
2042 | let revokeAccessToken;
|
2043 | let revokeRefreshToken;
|
2044 | if (accessToken) {
|
2045 | const revokationParams = params
|
2046 | .set('token', accessToken)
|
2047 | .set('token_type_hint', 'access_token');
|
2048 | revokeAccessToken = this.http.post(revokeEndpoint, revokationParams, { headers });
|
2049 | }
|
2050 | else {
|
2051 | revokeAccessToken = of(null);
|
2052 | }
|
2053 | if (refreshToken) {
|
2054 | const revokationParams = params
|
2055 | .set('token', refreshToken)
|
2056 | .set('token_type_hint', 'refresh_token');
|
2057 | revokeRefreshToken = this.http.post(revokeEndpoint, revokationParams, { headers });
|
2058 | }
|
2059 | else {
|
2060 | revokeRefreshToken = of(null);
|
2061 | }
|
2062 | if (ignoreCorsIssues) {
|
2063 | revokeAccessToken = revokeAccessToken.pipe(catchError((err) => {
|
2064 | if (err.status === 0) {
|
2065 | return of(null);
|
2066 | }
|
2067 | return throwError(err);
|
2068 | }));
|
2069 | revokeRefreshToken = revokeRefreshToken.pipe(catchError((err) => {
|
2070 | if (err.status === 0) {
|
2071 | return of(null);
|
2072 | }
|
2073 | return throwError(err);
|
2074 | }));
|
2075 | }
|
2076 | combineLatest([revokeAccessToken, revokeRefreshToken]).subscribe((res) => {
|
2077 | this.logOut(customParameters);
|
2078 | resolve(res);
|
2079 | this.logger.info('Token successfully revoked');
|
2080 | }, (err) => {
|
2081 | this.logger.error('Error revoking token', err);
|
2082 | this.eventsSubject.next(new OAuthErrorEvent('token_revoke_error', err));
|
2083 | reject(err);
|
2084 | });
|
2085 | });
|
2086 | }
|
2087 | /**
|
2088 | * Clear location.hash if it's present
|
2089 | */
|
2090 | clearLocationHash() {
|
2091 | // Checking for empty hash is necessary for Firefox
|
2092 | // as setting an empty hash to an empty string adds # to the URL
|
2093 | if (location.hash != '') {
|
2094 | location.hash = '';
|
2095 | }
|
2096 | }
|
2097 | static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.0.7", ngImport: i0, type: OAuthService, deps: [{ token: i0.NgZone }, { token: i1.HttpClient }, { token: i2.OAuthStorage, optional: true }, { token: i3.ValidationHandler, optional: true }, { token: i4.AuthConfig, optional: true }, { token: i5.UrlHelperService }, { token: i2.OAuthLogger }, { token: i6.HashHandler, optional: true }, { token: DOCUMENT }, { token: i7.DateTimeProvider }], target: i0.ɵɵFactoryTarget.Injectable }); }
|
2098 | static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "17.0.7", ngImport: i0, type: OAuthService }); }
|
2099 | }
|
2100 | i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.0.7", ngImport: i0, type: OAuthService, decorators: [{
|
2101 | type: Injectable
|
2102 | }], ctorParameters: () => [{ type: i0.NgZone }, { type: i1.HttpClient }, { type: i2.OAuthStorage, decorators: [{
|
2103 | type: Optional
|
2104 | }] }, { type: i3.ValidationHandler, decorators: [{
|
2105 | type: Optional
|
2106 | }] }, { type: i4.AuthConfig, decorators: [{
|
2107 | type: Optional
|
2108 | }] }, { type: i5.UrlHelperService }, { type: i2.OAuthLogger }, { type: i6.HashHandler, decorators: [{
|
2109 | type: Optional
|
2110 | }] }, { type: Document, decorators: [{
|
2111 | type: Inject,
|
2112 | args: [DOCUMENT]
|
2113 | }] }, { type: i7.DateTimeProvider }] });
|
2114 | //# 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{ Injectable, NgZone, Optional, OnDestroy, Inject } from '@angular/core';\nimport {\n  HttpClient,\n  HttpHeaders,\n  HttpParams,\n  HttpErrorResponse,\n} from '@angular/common/http';\nimport {\n  Observable,\n  Subject,\n  Subscription,\n  of,\n  race,\n  from,\n  combineLatest,\n  throwError,\n} from 'rxjs';\nimport {\n  filter,\n  delay,\n  first,\n  tap,\n  map,\n  switchMap,\n  debounceTime,\n  catchError,\n} from 'rxjs/operators';\nimport { DOCUMENT } from '@angular/common';\nimport { DateTimeProvider } from './date-time-provider';\n\nimport {\n  ValidationHandler,\n  ValidationParams,\n} from './token-validation/validation-handler';\nimport { UrlHelperService } from './url-helper.service';\nimport {\n  OAuthEvent,\n  OAuthInfoEvent,\n  OAuthErrorEvent,\n  OAuthSuccessEvent,\n} from './events';\nimport {\n  OAuthLogger,\n  OAuthStorage,\n  LoginOptions,\n  ParsedIdToken,\n  OidcDiscoveryDoc,\n  TokenResponse,\n} from './types';\nimport { b64DecodeUnicode, base64UrlEncode } from './base64-helper';\nimport { AuthConfig } from './auth.config';\nimport { WebHttpUrlEncodingCodec } from './encoder';\nimport { HashHandler } from './token-validation/hash-handler';\n\n/**\n * Service for logging in and logging out with\n * OIDC and OAuth2. Supports implicit flow and\n * password flow.\n */\n@Injectable()\nexport class OAuthService extends AuthConfig implements OnDestroy {\n  // Extending AuthConfig ist just for LEGACY reasons\n  // to not break existing code.\n\n  /**\n   * The ValidationHandler used to validate received\n   * id_tokens.\n   */\n  public tokenValidationHandler: ValidationHandler;\n\n  /**\n   * @internal\n   * Deprecated:  use property events instead\n   */\n  public discoveryDocumentLoaded = false;\n\n  /**\n   * @internal\n   * Deprecated:  use property events instead\n   */\n  public discoveryDocumentLoaded$: Observable<OidcDiscoveryDoc>;\n\n  /**\n   * Informs about events, like token_received or token_expires.\n   * See the string enum EventType for a full list of event types.\n   */\n  public events: Observable<OAuthEvent>;\n\n  /**\n   * The received (passed around) state, when logging\n   * in with implicit flow.\n   */\n  public state? = '';\n\n  protected eventsSubject: Subject<OAuthEvent> = new Subject<OAuthEvent>();\n  protected discoveryDocumentLoadedSubject: Subject<OidcDiscoveryDoc> =\n    new Subject<OidcDiscoveryDoc>();\n  protected silentRefreshPostMessageEventListener: EventListener;\n  protected grantTypesSupported: Array<string> = [];\n  protected _storage: OAuthStorage;\n  protected accessTokenTimeoutSubscription: Subscription;\n  protected idTokenTimeoutSubscription: Subscription;\n  protected tokenReceivedSubscription: Subscription;\n  protected automaticRefreshSubscription: Subscription;\n  protected sessionCheckEventListener: EventListener;\n  protected jwksUri: string;\n  protected sessionCheckTimer: any;\n  protected silentRefreshSubject: string;\n  protected inImplicitFlow = false;\n\n  protected saveNoncesInLocalStorage = false;\n  private document: Document;\n\n  constructor(\n    protected ngZone: NgZone,\n    protected http: HttpClient,\n    @Optional() storage: OAuthStorage,\n    @Optional() tokenValidationHandler: ValidationHandler,\n    @Optional() protected config: AuthConfig,\n    protected urlHelper: UrlHelperService,\n    protected logger: OAuthLogger,\n    @Optional() protected crypto: HashHandler,\n    @Inject(DOCUMENT) document: Document,\n    protected dateTimeService: DateTimeProvider\n  ) {\n    super();\n\n    this.debug('angular-oauth2-oidc v10');\n\n    // See https://github.com/manfredsteyer/angular-oauth2-oidc/issues/773 for why this is needed\n    this.document = document;\n\n    if (!config) {\n      config = {};\n    }\n\n    this.discoveryDocumentLoaded$ =\n      this.discoveryDocumentLoadedSubject.asObservable();\n    this.events = this.eventsSubject.asObservable();\n\n    if (tokenValidationHandler) {\n      this.tokenValidationHandler = tokenValidationHandler;\n    }\n\n    if (config) {\n      this.configure(config);\n    }\n\n    try {\n      if (storage) {\n        this.setStorage(storage);\n      } else if (typeof sessionStorage !== 'undefined') {\n        this.setStorage(sessionStorage);\n      }\n    } catch (e) {\n      console.error(\n        'No OAuthStorage provided and cannot access default (sessionStorage).' +\n          'Consider providing a custom OAuthStorage implementation in your module.',\n        e\n      );\n    }\n\n    // in IE, sessionStorage does not always survive a redirect\n    if (this.checkLocalStorageAccessable()) {\n      const ua = window?.navigator?.userAgent;\n      const msie = ua?.includes('MSIE ') || ua?.includes('Trident');\n\n      if (msie) {\n        this.saveNoncesInLocalStorage = true;\n      }\n    }\n\n    this.setupRefreshTimer();\n  }\n\n  private checkLocalStorageAccessable() {\n    if (typeof window === 'undefined') return false;\n\n    const test = 'test';\n    try {\n      if (typeof window['localStorage'] === 'undefined') return false;\n\n      localStorage.setItem(test, test);\n      localStorage.removeItem(test);\n      return true;\n    } catch (e) {\n      return false;\n    }\n  }\n\n  /**\n   * Use this method to configure the service\n   * @param config the configuration\n   */\n  public configure(config: AuthConfig): void {\n    // For the sake of downward compatibility with\n    // original configuration API\n    Object.assign(this, new AuthConfig(), config);\n\n    this.config = Object.assign({} as AuthConfig, new AuthConfig(), config);\n\n    if (this.sessionChecksEnabled) {\n      this.setupSessionCheck();\n    }\n\n    this.configChanged();\n  }\n\n  protected configChanged(): void {\n    this.setupRefreshTimer();\n  }\n\n  public restartSessionChecksIfStillLoggedIn(): void {\n    if (this.hasValidIdToken()) {\n      this.initSessionCheck();\n    }\n  }\n\n  protected restartRefreshTimerIfStillLoggedIn(): void {\n    this.setupExpirationTimers();\n  }\n\n  protected setupSessionCheck(): void {\n    this.events\n      .pipe(filter((e) => e.type === 'token_received'))\n      .subscribe(() => {\n        this.initSessionCheck();\n      });\n  }\n\n  /**\n   * Will setup up silent refreshing for when the token is\n   * about to expire. When the user is logged out via this.logOut method, the\n   * silent refreshing will pause and not refresh the tokens until the user is\n   * logged back in via receiving a new token.\n   * @param params Additional parameter to pass\n   * @param listenTo Setup automatic refresh of a specific token type\n   */\n  public setupAutomaticSilentRefresh(\n    params: object = {},\n    listenTo?: 'access_token' | 'id_token' | 'any',\n    noPrompt = true\n  ): void {\n    let shouldRunSilentRefresh = true;\n    this.clearAutomaticRefreshTimer();\n    this.automaticRefreshSubscription = this.events\n      .pipe(\n        tap((e) => {\n          if (e.type === 'token_received') {\n            shouldRunSilentRefresh = true;\n          } else if (e.type === 'logout') {\n            shouldRunSilentRefresh = false;\n          }\n        }),\n        filter(\n          (e: OAuthInfoEvent) =>\n            e.type === 'token_expires' &&\n            (listenTo == null || listenTo === 'any' || e.info === listenTo)\n        ),\n        debounceTime(1000)\n      )\n      .subscribe(() => {\n        if (shouldRunSilentRefresh) {\n          // this.silentRefresh(params, noPrompt).catch(_ => {\n          this.refreshInternal(params, noPrompt).catch(() => {\n            this.debug('Automatic silent refresh did not work');\n          });\n        }\n      });\n\n    this.restartRefreshTimerIfStillLoggedIn();\n  }\n\n  protected refreshInternal(\n    params,\n    noPrompt\n  ): Promise<TokenResponse | OAuthEvent> {\n    if (!this.useSilentRefresh && this.responseType === 'code') {\n      return this.refreshToken();\n    } else {\n      return this.silentRefresh(params, noPrompt);\n    }\n  }\n\n  /**\n   * Convenience method that first calls `loadDiscoveryDocument(...)` and\n   * directly chains using the `then(...)` part of the promise to call\n   * the `tryLogin(...)` method.\n   *\n   * @param options LoginOptions to pass through to `tryLogin(...)`\n   */\n  public loadDiscoveryDocumentAndTryLogin(\n    options: LoginOptions = null\n  ): Promise<boolean> {\n    return this.loadDiscoveryDocument().then(() => {\n      return this.tryLogin(options);\n    });\n  }\n\n  /**\n   * Convenience method that first calls `loadDiscoveryDocumentAndTryLogin(...)`\n   * and if then chains to `initLoginFlow()`, but only if there is no valid\n   * IdToken or no valid AccessToken.\n   *\n   * @param options LoginOptions to pass through to `tryLogin(...)`\n   */\n  public loadDiscoveryDocumentAndLogin(\n    options: LoginOptions & { state?: string } = null\n  ): Promise<boolean> {\n    options = options || {};\n    return this.loadDiscoveryDocumentAndTryLogin(options).then(() => {\n      if (!this.hasValidIdToken() || !this.hasValidAccessToken()) {\n        const state = typeof options.state === 'string' ? options.state : '';\n        this.initLoginFlow(state);\n        return false;\n      } else {\n        return true;\n      }\n    });\n  }\n\n  protected debug(...args): void {\n    if (this.showDebugInformation) {\n      this.logger.debug(...args);\n    }\n  }\n\n  protected validateUrlFromDiscoveryDocument(url: string): string[] {\n    const errors: string[] = [];\n    const httpsCheck = this.validateUrlForHttps(url);\n    const issuerCheck = this.validateUrlAgainstIssuer(url);\n\n    if (!httpsCheck) {\n      errors.push(\n        'https for all urls required. Also for urls received by discovery.'\n      );\n    }\n\n    if (!issuerCheck) {\n      errors.push(\n        'Every url in discovery document has to start with the issuer url.' +\n          'Also see property strictDiscoveryDocumentValidation.'\n      );\n    }\n\n    return errors;\n  }\n\n  protected validateUrlForHttps(url: string): boolean {\n    if (!url) {\n      return true;\n    }\n\n    const lcUrl = url.toLowerCase();\n\n    if (this.requireHttps === false) {\n      return true;\n    }\n\n    if (\n      (lcUrl.match(/^http:\\/\\/localhost($|[:/])/) ||\n        lcUrl.match(/^http:\\/\\/localhost($|[:/])/)) &&\n      this.requireHttps === 'remoteOnly'\n    ) {\n      return true;\n    }\n\n    return lcUrl.startsWith('https://');\n  }\n\n  protected assertUrlNotNullAndCorrectProtocol(\n    url: string | undefined,\n    description: string\n  ) {\n    if (!url) {\n      throw new Error(`'${description}' should not be null`);\n    }\n    if (!this.validateUrlForHttps(url)) {\n      throw new Error(\n        `'${description}' must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).`\n      );\n    }\n  }\n\n  protected validateUrlAgainstIssuer(url: string) {\n    if (!this.strictDiscoveryDocumentValidation) {\n      return true;\n    }\n    if (!url) {\n      return true;\n    }\n    return url.toLowerCase().startsWith(this.issuer.toLowerCase());\n  }\n\n  protected setupRefreshTimer(): void {\n    if (typeof window === 'undefined') {\n      this.debug('timer not supported on this plattform');\n      return;\n    }\n\n    if (this.hasValidIdToken() || this.hasValidAccessToken()) {\n      this.clearAccessTokenTimer();\n      this.clearIdTokenTimer();\n      this.setupExpirationTimers();\n    }\n\n    if (this.tokenReceivedSubscription)\n      this.tokenReceivedSubscription.unsubscribe();\n\n    this.tokenReceivedSubscription = this.events\n      .pipe(filter((e) => e.type === 'token_received'))\n      .subscribe(() => {\n        this.clearAccessTokenTimer();\n        this.clearIdTokenTimer();\n        this.setupExpirationTimers();\n      });\n  }\n\n  protected setupExpirationTimers(): void {\n    if (this.hasValidAccessToken()) {\n      this.setupAccessTokenTimer();\n    }\n\n    if (!this.disableIdTokenTimer && this.hasValidIdToken()) {\n      this.setupIdTokenTimer();\n    }\n  }\n\n  protected setupAccessTokenTimer(): void {\n    const expiration = this.getAccessTokenExpiration();\n    const storedAt = this.getAccessTokenStoredAt();\n    const timeout = this.calcTimeout(storedAt, expiration);\n\n    this.ngZone.runOutsideAngular(() => {\n      this.accessTokenTimeoutSubscription = of(\n        new OAuthInfoEvent('token_expires', 'access_token')\n      )\n        .pipe(delay(timeout))\n        .subscribe((e) => {\n          this.ngZone.run(() => {\n            this.eventsSubject.next(e);\n          });\n        });\n    });\n  }\n\n  protected setupIdTokenTimer(): void {\n    const expiration = this.getIdTokenExpiration();\n    const storedAt = this.getIdTokenStoredAt();\n    const timeout = this.calcTimeout(storedAt, expiration);\n\n    this.ngZone.runOutsideAngular(() => {\n      this.idTokenTimeoutSubscription = of(\n        new OAuthInfoEvent('token_expires', 'id_token')\n      )\n        .pipe(delay(timeout))\n        .subscribe((e) => {\n          this.ngZone.run(() => {\n            this.eventsSubject.next(e);\n          });\n        });\n    });\n  }\n\n  /**\n   * Stops timers for automatic refresh.\n   * To restart it, call setupAutomaticSilentRefresh again.\n   */\n  public stopAutomaticRefresh() {\n    this.clearAccessTokenTimer();\n    this.clearIdTokenTimer();\n    this.clearAutomaticRefreshTimer();\n  }\n\n  protected clearAccessTokenTimer(): void {\n    if (this.accessTokenTimeoutSubscription) {\n      this.accessTokenTimeoutSubscription.unsubscribe();\n    }\n  }\n\n  protected clearIdTokenTimer(): void {\n    if (this.idTokenTimeoutSubscription) {\n      this.idTokenTimeoutSubscription.unsubscribe();\n    }\n  }\n\n  protected clearAutomaticRefreshTimer(): void {\n    if (this.automaticRefreshSubscription) {\n      this.automaticRefreshSubscription.unsubscribe();\n    }\n  }\n\n  protected calcTimeout(storedAt: number, expiration: number): number {\n    const now = this.dateTimeService.now();\n    const delta =\n      (expiration - storedAt) * this.timeoutFactor - (now - storedAt);\n    const duration = Math.max(0, delta);\n    const maxTimeoutValue = 2_147_483_647;\n    return duration > maxTimeoutValue ? maxTimeoutValue : duration;\n  }\n\n  /**\n   * DEPRECATED. Use a provider for OAuthStorage instead:\n   *\n   * { provide: OAuthStorage, useFactory: oAuthStorageFactory }\n   * export function oAuthStorageFactory(): OAuthStorage { return localStorage; }\n   * Sets a custom storage used to store the received\n   * tokens on client side. By default, the browser's\n   * sessionStorage is used.\n   * @ignore\n   *\n   * @param storage\n   */\n  public setStorage(storage: OAuthStorage): void {\n    this._storage = storage;\n    this.configChanged();\n  }\n\n  /**\n   * Loads the discovery document to configure most\n   * properties of this service. The url of the discovery\n   * document is infered from the issuer's url according\n   * to the OpenId Connect spec. To use another url you\n   * can pass it to to optional parameter fullUrl.\n   *\n   * @param fullUrl\n   */\n  public loadDiscoveryDocument(\n    fullUrl: string = null\n  ): Promise<OAuthSuccessEvent> {\n    return new Promise((resolve, reject) => {\n      if (!fullUrl) {\n        fullUrl = this.issuer || '';\n        if (!fullUrl.endsWith('/')) {\n          fullUrl += '/';\n        }\n        fullUrl += '.well-known/openid-configuration';\n      }\n\n      if (!this.validateUrlForHttps(fullUrl)) {\n        reject(\n          \"issuer  must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).\"\n        );\n        return;\n      }\n\n      this.http.get<OidcDiscoveryDoc>(fullUrl).subscribe(\n        (doc) => {\n          if (!this.validateDiscoveryDocument(doc)) {\n            this.eventsSubject.next(\n              new OAuthErrorEvent('discovery_document_validation_error', null)\n            );\n            reject('discovery_document_validation_error');\n            return;\n          }\n\n          this.loginUrl = doc.authorization_endpoint;\n          this.logoutUrl = doc.end_session_endpoint || this.logoutUrl;\n          this.grantTypesSupported = doc.grant_types_supported;\n          this.issuer = doc.issuer;\n          this.tokenEndpoint = doc.token_endpoint;\n          this.userinfoEndpoint =\n            doc.userinfo_endpoint || this.userinfoEndpoint;\n          this.jwksUri = doc.jwks_uri;\n          this.sessionCheckIFrameUrl =\n            doc.check_session_iframe || this.sessionCheckIFrameUrl;\n\n          this.discoveryDocumentLoaded = true;\n          this.discoveryDocumentLoadedSubject.next(doc);\n          this.revocationEndpoint =\n            doc.revocation_endpoint || this.revocationEndpoint;\n\n          if (this.sessionChecksEnabled) {\n            this.restartSessionChecksIfStillLoggedIn();\n          }\n\n          this.loadJwks()\n            .then((jwks) => {\n              const result: object = {\n                discoveryDocument: doc,\n                jwks: jwks,\n              };\n\n              const event = new OAuthSuccessEvent(\n                'discovery_document_loaded',\n                result\n              );\n              this.eventsSubject.next(event);\n              resolve(event);\n              return;\n            })\n            .catch((err) => {\n              this.eventsSubject.next(\n                new OAuthErrorEvent('discovery_document_load_error', err)\n              );\n              reject(err);\n              return;\n            });\n        },\n        (err) => {\n          this.logger.error('error loading discovery document', err);\n          this.eventsSubject.next(\n            new OAuthErrorEvent('discovery_document_load_error', err)\n          );\n          reject(err);\n        }\n      );\n    });\n  }\n\n  protected loadJwks(): Promise<object> {\n    return new Promise<object>((resolve, reject) => {\n      if (this.jwksUri) {\n        this.http.get(this.jwksUri).subscribe(\n          (jwks) => {\n            this.jwks = jwks;\n            // this.eventsSubject.next(\n            //   new OAuthSuccessEvent('discovery_document_loaded')\n            // );\n            resolve(jwks);\n          },\n          (err) => {\n            this.logger.error('error loading jwks', err);\n            this.eventsSubject.next(\n              new OAuthErrorEvent('jwks_load_error', err)\n            );\n            reject(err);\n          }\n        );\n      } else {\n        resolve(null);\n      }\n    });\n  }\n\n  protected validateDiscoveryDocument(doc: OidcDiscoveryDoc): boolean {\n    let errors: string[];\n\n    if (!this.skipIssuerCheck && doc.issuer !== this.issuer) {\n      this.logger.error(\n        'invalid issuer in discovery document',\n        'expected: ' + this.issuer,\n        'current: ' + doc.issuer\n      );\n      return false;\n    }\n\n    errors = this.validateUrlFromDiscoveryDocument(doc.authorization_endpoint);\n    if (errors.length > 0) {\n      this.logger.error(\n        'error validating authorization_endpoint in discovery document',\n        errors\n      );\n      return false;\n    }\n\n    errors = this.validateUrlFromDiscoveryDocument(doc.end_session_endpoint);\n    if (errors.length > 0) {\n      this.logger.error(\n        'error validating end_session_endpoint in discovery document',\n        errors\n      );\n      return false;\n    }\n\n    errors = this.validateUrlFromDiscoveryDocument(doc.token_endpoint);\n    if (errors.length > 0) {\n      this.logger.error(\n        'error validating token_endpoint in discovery document',\n        errors\n      );\n    }\n\n    errors = this.validateUrlFromDiscoveryDocument(doc.revocation_endpoint);\n    if (errors.length > 0) {\n      this.logger.error(\n        'error validating revocation_endpoint in discovery document',\n        errors\n      );\n    }\n\n    errors = this.validateUrlFromDiscoveryDocument(doc.userinfo_endpoint);\n    if (errors.length > 0) {\n      this.logger.error(\n        'error validating userinfo_endpoint in discovery document',\n        errors\n      );\n      return false;\n    }\n\n    errors = this.validateUrlFromDiscoveryDocument(doc.jwks_uri);\n    if (errors.length > 0) {\n      this.logger.error(\n        'error validating jwks_uri in discovery document',\n        errors\n      );\n      return false;\n    }\n\n    if (this.sessionChecksEnabled && !doc.check_session_iframe) {\n      this.logger.warn(\n        'sessionChecksEnabled is activated but discovery document' +\n          ' does not contain a check_session_iframe field'\n      );\n    }\n\n    return true;\n  }\n\n  /**\n   * Uses password flow to exchange userName and password for an\n   * access_token. After receiving the access_token, this method\n   * uses it to query the userinfo endpoint in order to get information\n   * about the user in question.\n   *\n   * When using this, make sure that the property oidc is set to false.\n   * Otherwise stricter validations take place that make this operation\n   * fail.\n   *\n   * @param userName\n   * @param password\n   * @param headers Optional additional http-headers.\n   */\n  public fetchTokenUsingPasswordFlowAndLoadUserProfile(\n    userName: string,\n    password: string,\n    headers: HttpHeaders = new HttpHeaders()\n  ): Promise<object> {\n    return this.fetchTokenUsingPasswordFlow(userName, password, headers).then(\n      () => this.loadUserProfile()\n    );\n  }\n\n  /**\n   * Loads the user profile by accessing the user info endpoint defined by OpenId Connect.\n   *\n   * When using this with OAuth2 password flow, make sure that the property oidc is set to false.\n   * Otherwise stricter validations take place that make this operation fail.\n   */\n  public loadUserProfile(): Promise<object> {\n    if (!this.hasValidAccessToken()) {\n      throw new Error('Can not load User Profile without access_token');\n    }\n    if (!this.validateUrlForHttps(this.userinfoEndpoint)) {\n      throw new Error(\n        \"userinfoEndpoint must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).\"\n      );\n    }\n\n    return new Promise((resolve, reject) => {\n      const headers = new HttpHeaders().set(\n        'Authorization',\n        'Bearer ' + this.getAccessToken()\n      );\n\n      this.http\n        .get(this.userinfoEndpoint, {\n          headers,\n          observe: 'response',\n          responseType: 'text',\n        })\n        .subscribe(\n          (response) => {\n            this.debug('userinfo received', JSON.stringify(response));\n            if (\n              response.headers\n                .get('content-type')\n                .startsWith('application/json')\n            ) {\n              let info = JSON.parse(response.body);\n              const existingClaims = this.getIdentityClaims() || {};\n\n              if (!this.skipSubjectCheck) {\n                if (\n                  this.oidc &&\n                  (!existingClaims['sub'] || info.sub !== existingClaims['sub'])\n                ) {\n                  const err =\n                    'if property oidc is true, the received user-id (sub) has to be the user-id ' +\n                    'of the user that has logged in with oidc.\\n' +\n                    'if you are not using oidc but just oauth2 password flow set oidc to false';\n\n                  reject(err);\n                  return;\n                }\n              }\n\n              info = Object.assign({}, existingClaims, info);\n\n              this._storage.setItem(\n                'id_token_claims_obj',\n                JSON.stringify(info)\n              );\n              this.eventsSubject.next(\n                new OAuthSuccessEvent('user_profile_loaded')\n              );\n              resolve({ info });\n            } else {\n              this.debug('userinfo is not JSON, treating it as JWE/JWS');\n              this.eventsSubject.next(\n                new OAuthSuccessEvent('user_profile_loaded')\n              );\n              resolve(JSON.parse(response.body));\n            }\n          },\n          (err) => {\n            this.logger.error('error loading user info', err);\n            this.eventsSubject.next(\n              new OAuthErrorEvent('user_profile_load_error', err)\n            );\n            reject(err);\n          }\n        );\n    });\n  }\n\n  /**\n   * Uses password flow to exchange userName and password for an access_token.\n   * @param userName\n   * @param password\n   * @param headers Optional additional http-headers.\n   */\n  public fetchTokenUsingPasswordFlow(\n    userName: string,\n    password: string,\n    headers: HttpHeaders = new HttpHeaders()\n  ): Promise<TokenResponse> {\n    const parameters = {\n      username: userName,\n      password: password,\n    };\n    return this.fetchTokenUsingGrant('password', parameters, headers);\n  }\n\n  /**\n   * Uses a custom grant type to retrieve tokens.\n   * @param grantType Grant type.\n   * @param parameters Parameters to pass.\n   * @param headers Optional additional HTTP headers.\n   */\n  public fetchTokenUsingGrant(\n    grantType: string,\n    parameters: object,\n    headers: HttpHeaders = new HttpHeaders()\n  ): Promise<TokenResponse> {\n    this.assertUrlNotNullAndCorrectProtocol(\n      this.tokenEndpoint,\n      'tokenEndpoint'\n    );\n\n    /**\n     * A `HttpParameterCodec` that uses `encodeURIComponent` and `decodeURIComponent` to\n     * serialize and parse URL parameter keys and values.\n     *\n     * @stable\n     */\n    let params = new HttpParams({ encoder: new WebHttpUrlEncodingCodec() })\n      .set('grant_type', grantType)\n      .set('scope', this.scope);\n\n    if (this.useHttpBasicAuth) {\n      const header = btoa(`${this.clientId}:${this.dummyClientSecret}`);\n      headers = headers.set('Authorization', 'Basic ' + header);\n    }\n\n    if (!this.useHttpBasicAuth) {\n      params = params.set('client_id', this.clientId);\n    }\n\n    if (!this.useHttpBasicAuth && this.dummyClientSecret) {\n      params = params.set('client_secret', this.dummyClientSecret);\n    }\n\n    if (this.customQueryParams) {\n      for (const key of Object.getOwnPropertyNames(this.customQueryParams)) {\n        params = params.set(key, this.customQueryParams[key]);\n      }\n    }\n\n    // set explicit parameters last, to allow overwriting\n    for (const key of Object.keys(parameters)) {\n      params = params.set(key, parameters[key]);\n    }\n\n    headers = headers.set('Content-Type', 'application/x-www-form-urlencoded');\n\n    return new Promise((resolve, reject) => {\n      this.http\n        .post<TokenResponse>(this.tokenEndpoint, params, { headers })\n        .subscribe(\n          (tokenResponse) => {\n            this.debug('tokenResponse', tokenResponse);\n            this.storeAccessTokenResponse(\n              tokenResponse.access_token,\n              tokenResponse.refresh_token,\n              tokenResponse.expires_in ||\n                this.fallbackAccessTokenExpirationTimeInSec,\n              tokenResponse.scope,\n              this.extractRecognizedCustomParameters(tokenResponse)\n            );\n            if (this.oidc && tokenResponse.id_token) {\n              this.processIdToken(\n                tokenResponse.id_token,\n                tokenResponse.access_token\n              ).then((result) => {\n                this.storeIdToken(result);\n                resolve(tokenResponse);\n              });\n            }\n            this.eventsSubject.next(new OAuthSuccessEvent('token_received'));\n            resolve(tokenResponse);\n          },\n          (err) => {\n            this.logger.error('Error performing ${grantType} flow', err);\n            this.eventsSubject.next(new OAuthErrorEvent('token_error', err));\n            reject(err);\n          }\n        );\n    });\n  }\n\n  /**\n   * Refreshes the token using a refresh_token.\n   * This does not work for implicit flow, b/c\n   * there is no refresh_token in this flow.\n   * A solution for this is provided by the\n   * method silentRefresh.\n   */\n  public refreshToken(): Promise<TokenResponse> {\n    this.assertUrlNotNullAndCorrectProtocol(\n      this.tokenEndpoint,\n      'tokenEndpoint'\n    );\n    return new Promise((resolve, reject) => {\n      let params = new HttpParams({ encoder: new WebHttpUrlEncodingCodec() })\n        .set('grant_type', 'refresh_token')\n        .set('scope', this.scope)\n        .set('refresh_token', this._storage.getItem('refresh_token'));\n\n      let headers = new HttpHeaders().set(\n        'Content-Type',\n        'application/x-www-form-urlencoded'\n      );\n\n      if (this.useHttpBasicAuth) {\n        const header = btoa(`${this.clientId}:${this.dummyClientSecret}`);\n        headers = headers.set('Authorization', 'Basic ' + header);\n      }\n\n      if (!this.useHttpBasicAuth) {\n        params = params.set('client_id', this.clientId);\n      }\n\n      if (!this.useHttpBasicAuth && this.dummyClientSecret) {\n        params = params.set('client_secret', this.dummyClientSecret);\n      }\n\n      if (this.customQueryParams) {\n        for (const key of Object.getOwnPropertyNames(this.customQueryParams)) {\n          params = params.set(key, this.customQueryParams[key]);\n        }\n      }\n\n      this.http\n        .post<TokenResponse>(this.tokenEndpoint, params, { headers })\n        .pipe(\n          switchMap((tokenResponse) => {\n            if (this.oidc && tokenResponse.id_token) {\n              return from(\n                this.processIdToken(\n                  tokenResponse.id_token,\n                  tokenResponse.access_token,\n                  true\n                )\n              ).pipe(\n                tap((result) => this.storeIdToken(result)),\n                map(() => tokenResponse)\n              );\n            } else {\n              return of(tokenResponse);\n            }\n          })\n        )\n        .subscribe(\n          (tokenResponse) => {\n            this.debug('refresh tokenResponse', tokenResponse);\n            this.storeAccessTokenResponse(\n              tokenResponse.access_token,\n              tokenResponse.refresh_token,\n              tokenResponse.expires_in ||\n                this.fallbackAccessTokenExpirationTimeInSec,\n              tokenResponse.scope,\n              this.extractRecognizedCustomParameters(tokenResponse)\n            );\n\n            this.eventsSubject.next(new OAuthSuccessEvent('token_received'));\n            this.eventsSubject.next(new OAuthSuccessEvent('token_refreshed'));\n            resolve(tokenResponse);\n          },\n          (err) => {\n            this.logger.error('Error refreshing token', err);\n            this.eventsSubject.next(\n              new OAuthErrorEvent('token_refresh_error', err)\n            );\n            reject(err);\n          }\n        );\n    });\n  }\n\n  protected removeSilentRefreshEventListener(): void {\n    if (this.silentRefreshPostMessageEventListener) {\n      window.removeEventListener(\n        'message',\n        this.silentRefreshPostMessageEventListener\n      );\n      this.silentRefreshPostMessageEventListener = null;\n    }\n  }\n\n  protected setupSilentRefreshEventListener(): void {\n    this.removeSilentRefreshEventListener();\n\n    this.silentRefreshPostMessageEventListener = (e: MessageEvent) => {\n      const message = this.processMessageEventMessage(e);\n\n      if (this.checkOrigin && e.origin !== location.origin) {\n        console.error('wrong origin requested silent refresh!');\n      }\n\n      this.tryLogin({\n        customHashFragment: message,\n        preventClearHashAfterLogin: true,\n        customRedirectUri: this.silentRefreshRedirectUri || this.redirectUri,\n      }).catch((err) =>\n        this.debug('tryLogin during silent refresh failed', err)\n      );\n    };\n\n    window.addEventListener(\n      'message',\n      this.silentRefreshPostMessageEventListener\n    );\n  }\n\n  /**\n   * Performs a silent refresh for implicit flow.\n   * Use this method to get new tokens when/before\n   * the existing tokens expire.\n   */\n  public silentRefresh(\n    params: object = {},\n    noPrompt = true\n  ): Promise<OAuthEvent> {\n    const claims: object = this.getIdentityClaims() || {};\n\n    if (this.useIdTokenHintForSilentRefresh && this.hasValidIdToken()) {\n      params['id_token_hint'] = this.getIdToken();\n    }\n\n    if (!this.validateUrlForHttps(this.loginUrl)) {\n      throw new Error(\n        \"loginUrl  must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).\"\n      );\n    }\n\n    if (typeof this.document === 'undefined') {\n      throw new Error('silent refresh is not supported on this platform');\n    }\n\n    const existingIframe = this.document.getElementById(\n      this.silentRefreshIFrameName\n    );\n\n    if (existingIframe) {\n      this.document.body.removeChild(existingIframe);\n    }\n\n    this.silentRefreshSubject = claims['sub'];\n\n    const iframe = this.document.createElement('iframe');\n    iframe.id = this.silentRefreshIFrameName;\n\n    this.setupSilentRefreshEventListener();\n\n    const redirectUri = this.silentRefreshRedirectUri || this.redirectUri;\n    this.createLoginUrl(null, null, redirectUri, noPrompt, params).then(\n      (url) => {\n        iframe.setAttribute('src', url);\n\n        if (!this.silentRefreshShowIFrame) {\n          iframe.style['display'] = 'none';\n        }\n        this.document.body.appendChild(iframe);\n      }\n    );\n\n    const errors = this.events.pipe(\n      filter((e) => e instanceof OAuthErrorEvent),\n      first()\n    );\n    const success = this.events.pipe(\n      filter((e) => e.type === 'token_received'),\n      first()\n    );\n    const timeout = of(\n      new OAuthErrorEvent('silent_refresh_timeout', null)\n    ).pipe(delay(this.silentRefreshTimeout));\n\n    return race([errors, success, timeout])\n      .pipe(\n        map((e) => {\n          if (e instanceof OAuthErrorEvent) {\n            if (e.type === 'silent_refresh_timeout') {\n              this.eventsSubject.next(e);\n            } else {\n              e = new OAuthErrorEvent('silent_refresh_error', e);\n              this.eventsSubject.next(e);\n            }\n            throw e;\n          } else if (e.type === 'token_received') {\n            e = new OAuthSuccessEvent('silently_refreshed');\n            this.eventsSubject.next(e);\n          }\n          return e;\n        })\n      )\n      .toPromise();\n  }\n\n  /**\n   * This method exists for backwards compatibility.\n   * {@link OAuthService#initLoginFlowInPopup} handles both code\n   * and implicit flows.\n   */\n  public initImplicitFlowInPopup(options?: {\n    height?: number;\n    width?: number;\n    windowRef?: Window;\n  }) {\n    return this.initLoginFlowInPopup(options);\n  }\n\n  public initLoginFlowInPopup(options?: {\n    height?: number;\n    width?: number;\n    windowRef?: Window;\n  }) {\n    options = options || {};\n    return this.createLoginUrl(\n      null,\n      null,\n      this.silentRefreshRedirectUri,\n      false,\n      {\n        display: 'popup',\n      }\n    ).then((url) => {\n      return new Promise((resolve, reject) => {\n        /**\n         * Error handling section\n         */\n        const checkForPopupClosedInterval = 500;\n\n        let windowRef = null;\n        // If we got no window reference we open a window\n        // else we are using the window already opened\n        if (!options.windowRef) {\n          windowRef = window.open(\n            url,\n            'ngx-oauth2-oidc-login',\n            this.calculatePopupFeatures(options)\n          );\n        } else if (options.windowRef && !options.windowRef.closed) {\n          windowRef = options.windowRef;\n          windowRef.location.href = url;\n        }\n\n        let checkForPopupClosedTimer: any;\n\n        const tryLogin = (hash: string) => {\n          this.tryLogin({\n            customHashFragment: hash,\n            preventClearHashAfterLogin: true,\n            customRedirectUri: this.silentRefreshRedirectUri,\n          }).then(\n            () => {\n              cleanup();\n              resolve(true);\n            },\n            (err) => {\n              cleanup();\n              reject(err);\n            }\n          );\n        };\n\n        const checkForPopupClosed = () => {\n          if (!windowRef || windowRef.closed) {\n            cleanup();\n            reject(new OAuthErrorEvent('popup_closed', {}));\n          }\n        };\n        if (!windowRef) {\n          reject(new OAuthErrorEvent('popup_blocked', {}));\n        } else {\n          checkForPopupClosedTimer = window.setInterval(\n            checkForPopupClosed,\n            checkForPopupClosedInterval\n          );\n        }\n\n        const cleanup = () => {\n          window.clearInterval(checkForPopupClosedTimer);\n          window.removeEventListener('storage', storageListener);\n          window.removeEventListener('message', listener);\n          if (windowRef !== null) {\n            windowRef.close();\n          }\n          windowRef = null;\n        };\n\n        const listener = (e: MessageEvent) => {\n          const message = this.processMessageEventMessage(e);\n\n          if (message && message !== null) {\n            window.removeEventListener('storage', storageListener);\n            tryLogin(message);\n          } else {\n            console.log('false event firing');\n          }\n        };\n\n        const storageListener = (event: StorageEvent) => {\n          if (event.key === 'auth_hash') {\n            window.removeEventListener('message', listener);\n            tryLogin(event.newValue);\n          }\n        };\n\n        window.addEventListener('message', listener);\n        window.addEventListener('storage', storageListener);\n      });\n    });\n  }\n\n  protected calculatePopupFeatures(options: {\n    height?: number;\n    width?: number;\n  }): string {\n    // Specify an static height and width and calculate centered position\n\n    const height = options.height || 470;\n    const width = options.width || 500;\n    const left = window.screenLeft + (window.outerWidth - width) / 2;\n    const top = window.screenTop + (window.outerHeight - height) / 2;\n    return `location=no,toolbar=no,width=${width},height=${height},top=${top},left=${left}`;\n  }\n\n  protected processMessageEventMessage(e: MessageEvent): string {\n    let expectedPrefix = '#';\n\n    if (this.silentRefreshMessagePrefix) {\n      expectedPrefix += this.silentRefreshMessagePrefix;\n    }\n\n    if (!e || !e.data || typeof e.data !== 'string') {\n      return;\n    }\n\n    const prefixedMessage: string = e.data;\n\n    if (!prefixedMessage.startsWith(expectedPrefix)) {\n      return;\n    }\n\n    return '#' + prefixedMessage.substr(expectedPrefix.length);\n  }\n\n  protected canPerformSessionCheck(): boolean {\n    if (!this.sessionChecksEnabled) {\n      return false;\n    }\n    if (!this.sessionCheckIFrameUrl) {\n      console.warn(\n        'sessionChecksEnabled is activated but there is no sessionCheckIFrameUrl'\n      );\n      return false;\n    }\n    const sessionState = this.getSessionState();\n    if (!sessionState) {\n      console.warn(\n        'sessionChecksEnabled is activated but there is no session_state'\n      );\n      return false;\n    }\n    if (typeof this.document === 'undefined') {\n      return false;\n    }\n\n    return true;\n  }\n\n  protected setupSessionCheckEventListener(): void {\n    this.removeSessionCheckEventListener();\n\n    this.sessionCheckEventListener = (e: MessageEvent) => {\n      const origin = e.origin.toLowerCase();\n      const issuer = this.issuer.toLowerCase();\n\n      this.debug('sessionCheckEventListener');\n\n      if (!issuer.startsWith(origin)) {\n        this.debug(\n          'sessionCheckEventListener',\n          'wrong origin',\n          origin,\n          'expected',\n          issuer,\n          'event',\n          e\n        );\n\n        return;\n      }\n\n      // only run in Angular zone if it is 'changed' or 'error'\n      switch (e.data) {\n        case 'unchanged':\n          this.ngZone.run(() => {\n            this.handleSessionUnchanged();\n          });\n          break;\n        case 'changed':\n          this.ngZone.run(() => {\n            this.handleSessionChange();\n          });\n          break;\n        case 'error':\n          this.ngZone.run(() => {\n            this.handleSessionError();\n          });\n          break;\n      }\n\n      this.debug('got info from session check inframe', e);\n    };\n\n    // prevent Angular from refreshing the view on every message (runs in intervals)\n    this.ngZone.runOutsideAngular(() => {\n      window.addEventListener('message', this.sessionCheckEventListener);\n    });\n  }\n\n  protected handleSessionUnchanged(): void {\n    this.debug('session check', 'session unchanged');\n    this.eventsSubject.next(new OAuthInfoEvent('session_unchanged'));\n  }\n\n  protected handleSessionChange(): void {\n    this.eventsSubject.next(new OAuthInfoEvent('session_changed'));\n    this.stopSessionCheckTimer();\n\n    if (!this.useSilentRefresh && this.responseType === 'code') {\n      this.refreshToken()\n        .then(() => {\n          this.debug('token refresh after session change worked');\n        })\n        .catch(() => {\n          this.debug('token refresh did not work after session changed');\n          this.eventsSubject.next(new OAuthInfoEvent('session_terminated'));\n          this.logOut(true);\n        });\n    } else if (this.silentRefreshRedirectUri) {\n      this.silentRefresh().catch(() =>\n        this.debug('silent refresh failed after session changed')\n      );\n      this.waitForSilentRefreshAfterSessionChange();\n    } else {\n      this.eventsSubject.next(new OAuthInfoEvent('session_terminated'));\n      this.logOut(true);\n    }\n  }\n\n  protected waitForSilentRefreshAfterSessionChange(): void {\n    this.events\n      .pipe(\n        filter(\n          (e: OAuthEvent) =>\n            e.type === 'silently_refreshed' ||\n            e.type === 'silent_refresh_timeout' ||\n            e.type === 'silent_refresh_error'\n        ),\n        first()\n      )\n      .subscribe((e) => {\n        if (e.type !== 'silently_refreshed') {\n          this.debug('silent refresh did not work after session changed');\n          this.eventsSubject.next(new OAuthInfoEvent('session_terminated'));\n          this.logOut(true);\n        }\n      });\n  }\n\n  protected handleSessionError(): void {\n    this.stopSessionCheckTimer();\n    this.eventsSubject.next(new OAuthInfoEvent('session_error'));\n  }\n\n  protected removeSessionCheckEventListener(): void {\n    if (this.sessionCheckEventListener) {\n      window.removeEventListener('message', this.sessionCheckEventListener);\n      this.sessionCheckEventListener = null;\n    }\n  }\n\n  protected initSessionCheck(): void {\n    if (!this.canPerformSessionCheck()) {\n      return;\n    }\n\n    const existingIframe = this.document.getElementById(\n      this.sessionCheckIFrameName\n    );\n    if (existingIframe) {\n      this.document.body.removeChild(existingIframe);\n    }\n\n    const iframe = this.document.createElement('iframe');\n    iframe.id = this.sessionCheckIFrameName;\n\n    this.setupSessionCheckEventListener();\n\n    const url = this.sessionCheckIFrameUrl;\n    iframe.setAttribute('src', url);\n    iframe.style.display = 'none';\n    this.document.body.appendChild(iframe);\n\n    this.startSessionCheckTimer();\n  }\n\n  protected startSessionCheckTimer(): void {\n    this.stopSessionCheckTimer();\n    this.ngZone.runOutsideAngular(() => {\n      this.sessionCheckTimer = setInterval(\n        this.checkSession.bind(this),\n        this.sessionCheckIntervall\n      );\n    });\n  }\n\n  protected stopSessionCheckTimer(): void {\n    if (this.sessionCheckTimer) {\n      clearInterval(this.sessionCheckTimer);\n      this.sessionCheckTimer = null;\n    }\n  }\n\n  public checkSession(): void {\n    const iframe: any = this.document.getElementById(\n      this.sessionCheckIFrameName\n    );\n\n    if (!iframe) {\n      this.logger.warn(\n        'checkSession did not find iframe',\n        this.sessionCheckIFrameName\n      );\n    }\n\n    const sessionState = this.getSessionState();\n\n    if (!sessionState) {\n      this.stopSessionCheckTimer();\n    }\n\n    const message = this.clientId + ' ' + sessionState;\n    iframe.contentWindow.postMessage(message, this.issuer);\n  }\n\n  protected async createLoginUrl(\n    state = '',\n    loginHint = '',\n    customRedirectUri = '',\n    noPrompt = false,\n    params: object = {}\n  ): Promise<string> {\n    const that = this; // eslint-disable-line @typescript-eslint/no-this-alias\n\n    let redirectUri: string;\n\n    if (customRedirectUri) {\n      redirectUri = customRedirectUri;\n    } else {\n      redirectUri = this.redirectUri;\n    }\n\n    const nonce = await this.createAndSaveNonce();\n\n    if (state) {\n      state =\n        nonce + this.config.nonceStateSeparator + encodeURIComponent(state);\n    } else {\n      state = nonce;\n    }\n\n    if (!this.requestAccessToken && !this.oidc) {\n      throw new Error('Either requestAccessToken or oidc or both must be true');\n    }\n\n    if (this.config.responseType) {\n      this.responseType = this.config.responseType;\n    } else {\n      if (this.oidc && this.requestAccessToken) {\n        this.responseType = 'id_token token';\n      } else if (this.oidc && !this.requestAccessToken) {\n        this.responseType = 'id_token';\n      } else {\n        this.responseType = 'token';\n      }\n    }\n\n    const seperationChar = that.loginUrl.indexOf('?') > -1 ? '&' : '?';\n\n    let scope = that.scope;\n\n    if (this.oidc && !scope.match(/(^|\\s)openid($|\\s)/)) {\n      scope = 'openid ' + scope;\n    }\n\n    let url =\n      that.loginUrl +\n      seperationChar +\n      'response_type=' +\n      encodeURIComponent(that.responseType) +\n      '&client_id=' +\n      encodeURIComponent(that.clientId) +\n      '&state=' +\n      encodeURIComponent(state) +\n      '&redirect_uri=' +\n      encodeURIComponent(redirectUri) +\n      '&scope=' +\n      encodeURIComponent(scope);\n\n    if (this.responseType.includes('code') && !this.disablePKCE) {\n      const [challenge, verifier] =\n        await this.createChallangeVerifierPairForPKCE();\n\n      if (\n        this.saveNoncesInLocalStorage &&\n        typeof window['localStorage'] !== 'undefined'\n      ) {\n        localStorage.setItem('PKCE_verifier', verifier);\n      } else {\n        this._storage.setItem('PKCE_verifier', verifier);\n      }\n\n      url += '&code_challenge=' + challenge;\n      url += '&code_challenge_method=S256';\n    }\n\n    if (loginHint) {\n      url += '&login_hint=' + encodeURIComponent(loginHint);\n    }\n\n    if (that.resource) {\n      url += '&resource=' + encodeURIComponent(that.resource);\n    }\n\n    if (that.oidc) {\n      url += '&nonce=' + encodeURIComponent(nonce);\n    }\n\n    if (noPrompt) {\n      url += '&prompt=none';\n    }\n\n    for (const key of Object.keys(params)) {\n      url +=\n        '&' + encodeURIComponent(key) + '=' + encodeURIComponent(params[key]);\n    }\n\n    if (this.customQueryParams) {\n      for (const key of Object.getOwnPropertyNames(this.customQueryParams)) {\n        url +=\n          '&' + key + '=' + encodeURIComponent(this.customQueryParams[key]);\n      }\n    }\n\n    return url;\n  }\n\n  initImplicitFlowInternal(\n    additionalState = '',\n    params: string | object = ''\n  ): void {\n    if (this.inImplicitFlow) {\n      return;\n    }\n\n    this.inImplicitFlow = true;\n\n    if (!this.validateUrlForHttps(this.loginUrl)) {\n      throw new Error(\n        \"loginUrl  must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).\"\n      );\n    }\n\n    let addParams: object = {};\n    let loginHint: string = null;\n\n    if (typeof params === 'string') {\n      loginHint = params;\n    } else if (typeof params === 'object') {\n      addParams = params;\n    }\n\n    this.createLoginUrl(additionalState, loginHint, null, false, addParams)\n      .then(this.config.openUri)\n      .catch((error) => {\n        console.error('Error in initImplicitFlow', error);\n        this.inImplicitFlow = false;\n      });\n  }\n\n  /**\n   * Starts the implicit flow and redirects to user to\n   * the auth servers' login url.\n   *\n   * @param additionalState Optional state that is passed around.\n   *  You'll find this state in the property `state` after `tryLogin` logged in the user.\n   * @param params Hash with additional parameter. If it is a string, it is used for the\n   *               parameter loginHint (for the sake of compatibility with former versions)\n   */\n  public initImplicitFlow(\n    additionalState = '',\n    params: string | object = ''\n  ): void {\n    if (this.loginUrl !== '') {\n      this.initImplicitFlowInternal(additionalState, params);\n    } else {\n      this.events\n        .pipe(filter((e) => e.type === 'discovery_document_loaded'))\n        .subscribe(() =>\n          this.initImplicitFlowInternal(additionalState, params)\n        );\n    }\n  }\n\n  /**\n   * Reset current implicit flow\n   *\n   * @description This method allows resetting the current implict flow in order to be initialized again.\n   */\n  public resetImplicitFlow(): void {\n    this.inImplicitFlow = false;\n  }\n\n  protected callOnTokenReceivedIfExists(options: LoginOptions): void {\n    const that = this; // eslint-disable-line @typescript-eslint/no-this-alias\n    if (options.onTokenReceived) {\n      const tokenParams = {\n        idClaims: that.getIdentityClaims(),\n        idToken: that.getIdToken(),\n        accessToken: that.getAccessToken(),\n        state: that.state,\n      };\n      options.onTokenReceived(tokenParams);\n    }\n  }\n\n  protected storeAccessTokenResponse(\n    accessToken: string,\n    refreshToken: string,\n    expiresIn: number,\n    grantedScopes: string,\n    customParameters?: Map<string, string>\n  ): void {\n    this._storage.setItem('access_token', accessToken);\n    if (grantedScopes && !Array.isArray(grantedScopes)) {\n      this._storage.setItem(\n        'granted_scopes',\n        JSON.stringify(grantedScopes.split(' '))\n      );\n    } else if (grantedScopes && Array.isArray(grantedScopes)) {\n      this._storage.setItem('granted_scopes', JSON.stringify(grantedScopes));\n    }\n\n    this._storage.setItem(\n      'access_token_stored_at',\n      '' + this.dateTimeService.now()\n    );\n    if (expiresIn) {\n      const expiresInMilliSeconds = expiresIn * 1000;\n      const now = this.dateTimeService.new();\n      const expiresAt = now.getTime() + expiresInMilliSeconds;\n      this._storage.setItem('expires_at', '' + expiresAt);\n    }\n\n    if (refreshToken) {\n      this._storage.setItem('refresh_token', refreshToken);\n    }\n    if (customParameters) {\n      customParameters.forEach((value: string, key: string) => {\n        this._storage.setItem(key, value);\n      });\n    }\n  }\n\n  /**\n   * Delegates to tryLoginImplicitFlow for the sake of competability\n   * @param options Optional options.\n   */\n  public tryLogin(options: LoginOptions = null): Promise<boolean> {\n    if (this.config.responseType === 'code') {\n      return this.tryLoginCodeFlow(options).then(() => true);\n    } else {\n      return this.tryLoginImplicitFlow(options);\n    }\n  }\n\n  private parseQueryString(queryString: string): object {\n    if (!queryString || queryString.length === 0) {\n      return {};\n    }\n\n    if (queryString.charAt(0) === '?') {\n      queryString = queryString.substr(1);\n    }\n\n    return this.urlHelper.parseQueryString(queryString);\n  }\n\n  public async tryLoginCodeFlow(options: LoginOptions = null): Promise<void> {\n    options = options || {};\n\n    const querySource = options.customHashFragment\n      ? options.customHashFragment.substring(1)\n      : window.location.search;\n\n    const parts = this.getCodePartsFromUrl(querySource);\n\n    const code = parts['code'];\n    const state = parts['state'];\n\n    const sessionState = parts['session_state'];\n\n    if (!options.preventClearHashAfterLogin) {\n      const href =\n        location.origin +\n        location.pathname +\n        location.search\n          .replace(/code=[^&$]*/, '')\n          .replace(/scope=[^&$]*/, '')\n          .replace(/state=[^&$]*/, '')\n          .replace(/session_state=[^&$]*/, '')\n          .replace(/^\\?&/, '?')\n          .replace(/&$/, '')\n          .replace(/^\\?$/, '')\n          .replace(/&+/g, '&')\n          .replace(/\\?&/, '?')\n          .replace(/\\?$/, '') +\n        location.hash;\n\n      history.replaceState(null, window.name, href);\n    }\n\n    const [nonceInState, userState] = this.parseState(state);\n    this.state = userState;\n\n    if (parts['error']) {\n      this.debug('error trying to login');\n      this.handleLoginError(options, parts);\n      const err = new OAuthErrorEvent('code_error', {}, parts);\n      this.eventsSubject.next(err);\n      return Promise.reject(err);\n    }\n\n    if (!options.disableNonceCheck) {\n      if (!nonceInState) {\n        this.saveRequestedRoute();\n        return Promise.resolve();\n      }\n\n      if (!options.disableOAuth2StateCheck) {\n        const success = this.validateNonce(nonceInState);\n        if (!success) {\n          const event = new OAuthErrorEvent('invalid_nonce_in_state', null);\n          this.eventsSubject.next(event);\n          return Promise.reject(event);\n        }\n      }\n    }\n\n    this.storeSessionState(sessionState);\n\n    if (code) {\n      await this.getTokenFromCode(code, options);\n      this.restoreRequestedRoute();\n      return Promise.resolve();\n    } else {\n      return Promise.resolve();\n    }\n  }\n\n  private saveRequestedRoute() {\n    if (this.config.preserveRequestedRoute) {\n      this._storage.setItem(\n        'requested_route',\n        window.location.pathname + window.location.search\n      );\n    }\n  }\n\n  private restoreRequestedRoute() {\n    const requestedRoute = this._storage.getItem('requested_route');\n    if (requestedRoute) {\n      history.replaceState(null, '', window.location.origin + requestedRoute);\n    }\n  }\n\n  /**\n   * Retrieve the returned auth code from the redirect uri that has been called.\n   * If required also check hash, as we could use hash location strategy.\n   */\n  private getCodePartsFromUrl(queryString: string): object {\n    if (!queryString || queryString.length === 0) {\n      return this.urlHelper.getHashFragmentParams();\n    }\n\n    // normalize query string\n    if (queryString.charAt(0) === '?') {\n      queryString = queryString.substr(1);\n    }\n\n    return this.urlHelper.parseQueryString(queryString);\n  }\n\n  /**\n   * Get token using an intermediate code. Works for the Authorization Code flow.\n   */\n  private getTokenFromCode(\n    code: string,\n    options: LoginOptions\n  ): Promise<object> {\n    let params = new HttpParams({ encoder: new WebHttpUrlEncodingCodec() })\n      .set('grant_type', 'authorization_code')\n      .set('code', code)\n      .set('redirect_uri', options.customRedirectUri || this.redirectUri);\n\n    if (!this.disablePKCE) {\n      let PKCEVerifier;\n\n      if (\n        this.saveNoncesInLocalStorage &&\n        typeof window['localStorage'] !== 'undefined'\n      ) {\n        PKCEVerifier = localStorage.getItem('PKCE_verifier');\n      } else {\n        PKCEVerifier = this._storage.getItem('PKCE_verifier');\n      }\n\n      if (!PKCEVerifier) {\n        console.warn('No PKCE verifier found in oauth storage!');\n      } else {\n        params = params.set('code_verifier', PKCEVerifier);\n      }\n    }\n\n    return this.fetchAndProcessToken(params, options);\n  }\n\n  private fetchAndProcessToken(\n    params: HttpParams,\n    options: LoginOptions\n  ): Promise<TokenResponse> {\n    options = options || {};\n\n    this.assertUrlNotNullAndCorrectProtocol(\n      this.tokenEndpoint,\n      'tokenEndpoint'\n    );\n    let headers = new HttpHeaders().set(\n      'Content-Type',\n      'application/x-www-form-urlencoded'\n    );\n\n    if (this.useHttpBasicAuth) {\n      const header = btoa(`${this.clientId}:${this.dummyClientSecret}`);\n      headers = headers.set('Authorization', 'Basic ' + header);\n    }\n\n    if (!this.useHttpBasicAuth) {\n      params = params.set('client_id', this.clientId);\n    }\n\n    if (!this.useHttpBasicAuth && this.dummyClientSecret) {\n      params = params.set('client_secret', this.dummyClientSecret);\n    }\n\n    return new Promise((resolve, reject) => {\n      if (this.customQueryParams) {\n        for (const key of Object.getOwnPropertyNames(this.customQueryParams)) {\n          params = params.set(key, this.customQueryParams[key]);\n        }\n      }\n\n      this.http\n        .post<TokenResponse>(this.tokenEndpoint, params, { headers })\n        .subscribe(\n          (tokenResponse) => {\n            this.debug('refresh tokenResponse', tokenResponse);\n            this.storeAccessTokenResponse(\n              tokenResponse.access_token,\n              tokenResponse.refresh_token,\n              tokenResponse.expires_in ||\n                this.fallbackAccessTokenExpirationTimeInSec,\n              tokenResponse.scope,\n              this.extractRecognizedCustomParameters(tokenResponse)\n            );\n\n            if (this.oidc && tokenResponse.id_token) {\n              this.processIdToken(\n                tokenResponse.id_token,\n                tokenResponse.access_token,\n                options.disableNonceCheck\n              )\n                .then((result) => {\n                  this.storeIdToken(result);\n\n                  this.eventsSubject.next(\n                    new OAuthSuccessEvent('token_received')\n                  );\n                  this.eventsSubject.next(\n                    new OAuthSuccessEvent('token_refreshed')\n                  );\n\n                  resolve(tokenResponse);\n                })\n                .catch((reason) => {\n                  this.eventsSubject.next(\n                    new OAuthErrorEvent('token_validation_error', reason)\n                  );\n                  console.error('Error validating tokens');\n                  console.error(reason);\n\n                  reject(reason);\n                });\n            } else {\n              this.eventsSubject.next(new OAuthSuccessEvent('token_received'));\n              this.eventsSubject.next(new OAuthSuccessEvent('token_refreshed'));\n\n              resolve(tokenResponse);\n            }\n          },\n          (err) => {\n            console.error('Error getting token', err);\n            this.eventsSubject.next(\n              new OAuthErrorEvent('token_refresh_error', err)\n            );\n            reject(err);\n          }\n        );\n    });\n  }\n\n  /**\n   * Checks whether there are tokens in the hash fragment\n   * as a result of the implicit flow. These tokens are\n   * parsed, validated and used to sign the user in to the\n   * current client.\n   *\n   * @param options Optional options.\n   */\n  public tryLoginImplicitFlow(options: LoginOptions = null): Promise<boolean> {\n    options = options || {};\n\n    let parts: object;\n\n    if (options.customHashFragment) {\n      parts = this.urlHelper.getHashFragmentParams(options.customHashFragment);\n    } else {\n      parts = this.urlHelper.getHashFragmentParams();\n    }\n\n    this.debug('parsed url', parts);\n\n    const state = parts['state'];\n\n    const [nonceInState, userState] = this.parseState(state);\n    this.state = userState;\n\n    if (parts['error']) {\n      this.debug('error trying to login');\n      this.handleLoginError(options, parts);\n      const err = new OAuthErrorEvent('token_error', {}, parts);\n      this.eventsSubject.next(err);\n      return Promise.reject(err);\n    }\n\n    const accessToken = parts['access_token'];\n    const idToken = parts['id_token'];\n    const sessionState = parts['session_state'];\n    const grantedScopes = parts['scope'];\n\n    if (!this.requestAccessToken && !this.oidc) {\n      return Promise.reject(\n        'Either requestAccessToken or oidc (or both) must be true.'\n      );\n    }\n\n    if (this.requestAccessToken && !accessToken) {\n      return Promise.resolve(false);\n    }\n    if (this.requestAccessToken && !options.disableOAuth2StateCheck && !state) {\n      return Promise.resolve(false);\n    }\n    if (this.oidc && !idToken) {\n      return Promise.resolve(false);\n    }\n\n    if (this.sessionChecksEnabled && !sessionState) {\n      this.logger.warn(\n        'session checks (Session Status Change Notification) ' +\n          'were activated in the configuration but the id_token ' +\n          'does not contain a session_state claim'\n      );\n    }\n\n    if (this.requestAccessToken && !options.disableNonceCheck) {\n      const success = this.validateNonce(nonceInState);\n\n      if (!success) {\n        const event = new OAuthErrorEvent('invalid_nonce_in_state', null);\n        this.eventsSubject.next(event);\n        return Promise.reject(event);\n      }\n    }\n\n    if (this.requestAccessToken) {\n      this.storeAccessTokenResponse(\n        accessToken,\n        null,\n        parts['expires_in'] || this.fallbackAccessTokenExpirationTimeInSec,\n        grantedScopes\n      );\n    }\n\n    if (!this.oidc) {\n      this.eventsSubject.next(new OAuthSuccessEvent('token_received'));\n      if (this.clearHashAfterLogin && !options.preventClearHashAfterLogin) {\n        this.clearLocationHash();\n      }\n\n      this.callOnTokenReceivedIfExists(options);\n      return Promise.resolve(true);\n    }\n\n    return this.processIdToken(idToken, accessToken, options.disableNonceCheck)\n      .then((result) => {\n        if (options.validationHandler) {\n          return options\n            .validationHandler({\n              accessToken: accessToken,\n              idClaims: result.idTokenClaims,\n              idToken: result.idToken,\n              state: state,\n            })\n            .then(() => result);\n        }\n        return result;\n      })\n      .then((result) => {\n        this.storeIdToken(result);\n        this.storeSessionState(sessionState);\n        if (this.clearHashAfterLogin && !options.preventClearHashAfterLogin) {\n          this.clearLocationHash();\n        }\n        this.eventsSubject.next(new OAuthSuccessEvent('token_received'));\n        this.callOnTokenReceivedIfExists(options);\n        this.inImplicitFlow = false;\n        return true;\n      })\n      .catch((reason) => {\n        this.eventsSubject.next(\n          new OAuthErrorEvent('token_validation_error', reason)\n        );\n        this.logger.error('Error validating tokens');\n        this.logger.error(reason);\n        return Promise.reject(reason);\n      });\n  }\n\n  private parseState(state: string): [string, string] {\n    let nonce = state;\n    let userState = '';\n\n    if (state) {\n      const idx = state.indexOf(this.config.nonceStateSeparator);\n      if (idx > -1) {\n        nonce = state.substr(0, idx);\n        userState = state.substr(idx + this.config.nonceStateSeparator.length);\n      }\n    }\n    return [nonce, userState];\n  }\n\n  protected validateNonce(nonceInState: string): boolean {\n    let savedNonce;\n\n    if (\n      this.saveNoncesInLocalStorage &&\n      typeof window['localStorage'] !== 'undefined'\n    ) {\n      savedNonce = localStorage.getItem('nonce');\n    } else {\n      savedNonce = this._storage.getItem('nonce');\n    }\n\n    if (savedNonce !== nonceInState) {\n      const err = 'Validating access_token failed, wrong state/nonce.';\n      console.error(err, savedNonce, nonceInState);\n      return false;\n    }\n    return true;\n  }\n\n  protected storeIdToken(idToken: ParsedIdToken): void {\n    this._storage.setItem('id_token', idToken.idToken);\n    this._storage.setItem('id_token_claims_obj', idToken.idTokenClaimsJson);\n    this._storage.setItem('id_token_expires_at', '' + idToken.idTokenExpiresAt);\n    this._storage.setItem(\n      'id_token_stored_at',\n      '' + this.dateTimeService.now()\n    );\n  }\n\n  protected storeSessionState(sessionState: string): void {\n    this._storage.setItem('session_state', sessionState);\n  }\n\n  protected getSessionState(): string {\n    return this._storage.getItem('session_state');\n  }\n\n  protected handleLoginError(options: LoginOptions, parts: object): void {\n    if (options.onLoginError) {\n      options.onLoginError(parts);\n    }\n    if (this.clearHashAfterLogin && !options.preventClearHashAfterLogin) {\n      this.clearLocationHash();\n    }\n  }\n\n  private getClockSkewInMsec(defaultSkewMsc = 600_000) {\n    if (!this.clockSkewInSec && this.clockSkewInSec !== 0) {\n      return defaultSkewMsc;\n    }\n    return this.clockSkewInSec * 1000;\n  }\n\n  /**\n   * @ignore\n   */\n  public processIdToken(\n    idToken: string,\n    accessToken: string,\n    skipNonceCheck = false\n  ): Promise<ParsedIdToken> {\n    const tokenParts = idToken.split('.');\n    const headerBase64 = this.padBase64(tokenParts[0]);\n    const headerJson = b64DecodeUnicode(headerBase64);\n    const header = JSON.parse(headerJson);\n    const claimsBase64 = this.padBase64(tokenParts[1]);\n    const claimsJson = b64DecodeUnicode(claimsBase64);\n    const claims = JSON.parse(claimsJson);\n\n    let savedNonce;\n    if (\n      this.saveNoncesInLocalStorage &&\n      typeof window['localStorage'] !== 'undefined'\n    ) {\n      savedNonce = localStorage.getItem('nonce');\n    } else {\n      savedNonce = this._storage.getItem('nonce');\n    }\n\n    if (Array.isArray(claims.aud)) {\n      if (claims.aud.every((v) => v !== this.clientId)) {\n        const err = 'Wrong audience: ' + claims.aud.join(',');\n        this.logger.warn(err);\n        return Promise.reject(err);\n      }\n    } else {\n      if (claims.aud !== this.clientId) {\n        const err = 'Wrong audience: ' + claims.aud;\n        this.logger.warn(err);\n        return Promise.reject(err);\n      }\n    }\n\n    if (!claims.sub) {\n      const err = 'No sub claim in id_token';\n      this.logger.warn(err);\n      return Promise.reject(err);\n    }\n\n    /* For now, we only check whether the sub against\n     * silentRefreshSubject when sessionChecksEnabled is on\n     * We will reconsider in a later version to do this\n     * in every other case too.\n     */\n    if (\n      this.sessionChecksEnabled &&\n      this.silentRefreshSubject &&\n      this.silentRefreshSubject !== claims['sub']\n    ) {\n      const err =\n        'After refreshing, we got an id_token for another user (sub). ' +\n        `Expected sub: ${this.silentRefreshSubject}, received sub: ${claims['sub']}`;\n\n      this.logger.warn(err);\n      return Promise.reject(err);\n    }\n\n    if (!claims.iat) {\n      const err = 'No iat claim in id_token';\n      this.logger.warn(err);\n      return Promise.reject(err);\n    }\n\n    if (!this.skipIssuerCheck && claims.iss !== this.issuer) {\n      const err = 'Wrong issuer: ' + claims.iss;\n      this.logger.warn(err);\n      return Promise.reject(err);\n    }\n\n    if (!skipNonceCheck && claims.nonce !== savedNonce) {\n      const err = 'Wrong nonce: ' + claims.nonce;\n      this.logger.warn(err);\n      return Promise.reject(err);\n    }\n    // at_hash is not applicable to authorization code flow\n    // addressing https://github.com/manfredsteyer/angular-oauth2-oidc/issues/661\n    // i.e. Based on spec the at_hash check is only true for implicit code flow on Ping Federate\n    // https://www.pingidentity.com/developer/en/resources/openid-connect-developers-guide.html\n    if (\n      Object.prototype.hasOwnProperty.call(this, 'responseType') &&\n      (this.responseType === 'code' || this.responseType === 'id_token')\n    ) {\n      this.disableAtHashCheck = true;\n    }\n    if (\n      !this.disableAtHashCheck &&\n      this.requestAccessToken &&\n      !claims['at_hash']\n    ) {\n      const err = 'An at_hash is needed!';\n      this.logger.warn(err);\n      return Promise.reject(err);\n    }\n\n    const now = this.dateTimeService.now();\n    const issuedAtMSec = claims.iat * 1000;\n    const expiresAtMSec = claims.exp * 1000;\n    const clockSkewInMSec = this.getClockSkewInMsec(); // (this.getClockSkewInMsec() || 600) * 1000;\n\n    if (\n      issuedAtMSec - clockSkewInMSec >= now ||\n      expiresAtMSec + clockSkewInMSec - this.decreaseExpirationBySec <= now\n    ) {\n      const err = 'Token has expired';\n      console.error(err);\n      console.error({\n        now: now,\n        issuedAtMSec: issuedAtMSec,\n        expiresAtMSec: expiresAtMSec,\n      });\n      return Promise.reject(err);\n    }\n\n    const validationParams: ValidationParams = {\n      accessToken: accessToken,\n      idToken: idToken,\n      jwks: this.jwks,\n      idTokenClaims: claims,\n      idTokenHeader: header,\n      loadKeys: () => this.loadJwks(),\n    };\n\n    if (this.disableAtHashCheck) {\n      return this.checkSignature(validationParams).then(() => {\n        const result: ParsedIdToken = {\n          idToken: idToken,\n          idTokenClaims: claims,\n          idTokenClaimsJson: claimsJson,\n          idTokenHeader: header,\n          idTokenHeaderJson: headerJson,\n          idTokenExpiresAt: expiresAtMSec,\n        };\n        return result;\n      });\n    }\n\n    return this.checkAtHash(validationParams).then((atHashValid) => {\n      if (!this.disableAtHashCheck && this.requestAccessToken && !atHashValid) {\n        const err = 'Wrong at_hash';\n        this.logger.warn(err);\n        return Promise.reject(err);\n      }\n\n      return this.checkSignature(validationParams).then(() => {\n        const atHashCheckEnabled = !this.disableAtHashCheck;\n        const result: ParsedIdToken = {\n          idToken: idToken,\n          idTokenClaims: claims,\n          idTokenClaimsJson: claimsJson,\n          idTokenHeader: header,\n          idTokenHeaderJson: headerJson,\n          idTokenExpiresAt: expiresAtMSec,\n        };\n        if (atHashCheckEnabled) {\n          return this.checkAtHash(validationParams).then((atHashValid) => {\n            if (this.requestAccessToken && !atHashValid) {\n              const err = 'Wrong at_hash';\n              this.logger.warn(err);\n              return Promise.reject(err);\n            } else {\n              return result;\n            }\n          });\n        } else {\n          return result;\n        }\n      });\n    });\n  }\n\n  /**\n   * Returns the received claims about the user.\n   */\n  public getIdentityClaims(): Record<string, any> {\n    const claims = this._storage.getItem('id_token_claims_obj');\n    if (!claims) {\n      return null;\n    }\n    return JSON.parse(claims);\n  }\n\n  /**\n   * Returns the granted scopes from the server.\n   */\n  public getGrantedScopes(): object {\n    const scopes = this._storage.getItem('granted_scopes');\n    if (!scopes) {\n      return null;\n    }\n    return JSON.parse(scopes);\n  }\n\n  /**\n   * Returns the current id_token.\n   */\n  public getIdToken(): string {\n    return this._storage ? this._storage.getItem('id_token') : null;\n  }\n\n  protected padBase64(base64data): string {\n    while (base64data.length % 4 !== 0) {\n      base64data += '=';\n    }\n    return base64data;\n  }\n\n  /**\n   * Returns the current access_token.\n   */\n  public getAccessToken(): string {\n    return this._storage ? this._storage.getItem('access_token') : null;\n  }\n\n  public getRefreshToken(): string {\n    return this._storage ? this._storage.getItem('refresh_token') : null;\n  }\n\n  /**\n   * Returns the expiration date of the access_token\n   * as milliseconds since 1970.\n   */\n  public getAccessTokenExpiration(): number {\n    if (!this._storage.getItem('expires_at')) {\n      return null;\n    }\n    return parseInt(this._storage.getItem('expires_at'), 10);\n  }\n\n  protected getAccessTokenStoredAt(): number {\n    return parseInt(this._storage.getItem('access_token_stored_at'), 10);\n  }\n\n  protected getIdTokenStoredAt(): number {\n    return parseInt(this._storage.getItem('id_token_stored_at'), 10);\n  }\n\n  /**\n   * Returns the expiration date of the id_token\n   * as milliseconds since 1970.\n   */\n  public getIdTokenExpiration(): number {\n    if (!this._storage.getItem('id_token_expires_at')) {\n      return null;\n    }\n\n    return parseInt(this._storage.getItem('id_token_expires_at'), 10);\n  }\n\n  /**\n   * Checkes, whether there is a valid access_token.\n   */\n  public hasValidAccessToken(): boolean {\n    if (this.getAccessToken()) {\n      const expiresAt = this._storage.getItem('expires_at');\n      const now = this.dateTimeService.new();\n      if (\n        expiresAt &&\n        parseInt(expiresAt, 10) - this.decreaseExpirationBySec <\n          now.getTime() - this.getClockSkewInMsec()\n      ) {\n        return false;\n      }\n\n      return true;\n    }\n\n    return false;\n  }\n\n  /**\n   * Checks whether there is a valid id_token.\n   */\n  public hasValidIdToken(): boolean {\n    if (this.getIdToken()) {\n      const expiresAt = this._storage.getItem('id_token_expires_at');\n      const now = this.dateTimeService.new();\n      if (\n        expiresAt &&\n        parseInt(expiresAt, 10) - this.decreaseExpirationBySec <\n          now.getTime() - this.getClockSkewInMsec()\n      ) {\n        return false;\n      }\n\n      return true;\n    }\n\n    return false;\n  }\n\n  /**\n   * Retrieve a saved custom property of the TokenReponse object. Only if predefined in authconfig.\n   */\n  public getCustomTokenResponseProperty(requestedProperty: string): any {\n    return this._storage &&\n      this.config.customTokenParameters &&\n      this.config.customTokenParameters.indexOf(requestedProperty) >= 0 &&\n      this._storage.getItem(requestedProperty) !== null\n      ? JSON.parse(this._storage.getItem(requestedProperty))\n      : null;\n  }\n\n  /**\n   * Returns the auth-header that can be used\n   * to transmit the access_token to a service\n   */\n  public authorizationHeader(): string {\n    return 'Bearer ' + this.getAccessToken();\n  }\n\n  /**\n   * Removes all tokens and logs the user out.\n   * If a logout url is configured, the user is\n   * redirected to it with optional state parameter.\n   * @param noRedirectToLogoutUrl\n   * @param state\n   */\n  public logOut(): void;\n  public logOut(customParameters: boolean | object): void;\n  public logOut(noRedirectToLogoutUrl: boolean): void;\n  public logOut(noRedirectToLogoutUrl: boolean, state: string): void;\n  public logOut(customParameters: boolean | object = {}, state = ''): void {\n    let noRedirectToLogoutUrl = false;\n    if (typeof customParameters === 'boolean') {\n      noRedirectToLogoutUrl = customParameters;\n      customParameters = {};\n    }\n\n    const id_token = this.getIdToken();\n    this._storage.removeItem('access_token');\n    this._storage.removeItem('id_token');\n    this._storage.removeItem('refresh_token');\n\n    if (this.saveNoncesInLocalStorage) {\n      localStorage.removeItem('nonce');\n      localStorage.removeItem('PKCE_verifier');\n    } else {\n      this._storage.removeItem('nonce');\n      this._storage.removeItem('PKCE_verifier');\n    }\n\n    this._storage.removeItem('expires_at');\n    this._storage.removeItem('id_token_claims_obj');\n    this._storage.removeItem('id_token_expires_at');\n    this._storage.removeItem('id_token_stored_at');\n    this._storage.removeItem('access_token_stored_at');\n    this._storage.removeItem('granted_scopes');\n    this._storage.removeItem('session_state');\n    if (this.config.customTokenParameters) {\n      this.config.customTokenParameters.forEach((customParam) =>\n        this._storage.removeItem(customParam)\n      );\n    }\n    this.silentRefreshSubject = null;\n\n    this.eventsSubject.next(new OAuthInfoEvent('logout'));\n\n    if (!this.logoutUrl) {\n      return;\n    }\n    if (noRedirectToLogoutUrl) {\n      return;\n    }\n\n    // if (!id_token && !this.postLogoutRedirectUri) {\n    //   return;\n    // }\n\n    let logoutUrl: string;\n\n    if (!this.validateUrlForHttps(this.logoutUrl)) {\n      throw new Error(\n        \"logoutUrl  must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).\"\n      );\n    }\n\n    // For backward compatibility\n    if (this.logoutUrl.indexOf('{{') > -1) {\n      logoutUrl = this.logoutUrl\n        .replace(/\\{\\{id_token\\}\\}/, encodeURIComponent(id_token))\n        .replace(/\\{\\{client_id\\}\\}/, encodeURIComponent(this.clientId));\n    } else {\n      let params = new HttpParams({ encoder: new WebHttpUrlEncodingCodec() });\n\n      if (id_token) {\n        params = params.set('id_token_hint', id_token);\n      }\n\n      const postLogoutUrl =\n        this.postLogoutRedirectUri ||\n        (this.redirectUriAsPostLogoutRedirectUriFallback && this.redirectUri) ||\n        '';\n      if (postLogoutUrl) {\n        params = params.set('post_logout_redirect_uri', postLogoutUrl);\n\n        if (state) {\n          params = params.set('state', state);\n        }\n      }\n\n      for (const key in customParameters) {\n        params = params.set(key, customParameters[key]);\n      }\n\n      logoutUrl =\n        this.logoutUrl +\n        (this.logoutUrl.indexOf('?') > -1 ? '&' : '?') +\n        params.toString();\n    }\n    this.config.openUri(logoutUrl);\n  }\n\n  /**\n   * @ignore\n   */\n  public createAndSaveNonce(): Promise<string> {\n    const that = this; // eslint-disable-line @typescript-eslint/no-this-alias\n    return this.createNonce().then(function (nonce: any) {\n      // Use localStorage for nonce if possible\n      // localStorage is the only storage who survives a\n      // redirect in ALL browsers (also IE)\n      // Otherwiese we'd force teams who have to support\n      // IE into using localStorage for everything\n      if (\n        that.saveNoncesInLocalStorage &&\n        typeof window['localStorage'] !== 'undefined'\n      ) {\n        localStorage.setItem('nonce', nonce);\n      } else {\n        that._storage.setItem('nonce', nonce);\n      }\n      return nonce;\n    });\n  }\n\n  /**\n   * @ignore\n   */\n  public ngOnDestroy(): void {\n    this.clearAccessTokenTimer();\n    this.clearIdTokenTimer();\n\n    this.removeSilentRefreshEventListener();\n    const silentRefreshFrame = this.document.getElementById(\n      this.silentRefreshIFrameName\n    );\n    if (silentRefreshFrame) {\n      silentRefreshFrame.remove();\n    }\n\n    this.stopSessionCheckTimer();\n    this.removeSessionCheckEventListener();\n    const sessionCheckFrame = this.document.getElementById(\n      this.sessionCheckIFrameName\n    );\n    if (sessionCheckFrame) {\n      sessionCheckFrame.remove();\n    }\n  }\n\n  protected createNonce(): Promise<string> {\n    return new Promise((resolve) => {\n      if (this.rngUrl) {\n        throw new Error(\n          'createNonce with rng-web-api has not been implemented so far'\n        );\n      }\n\n      /*\n       * This alphabet is from:\n       * https://tools.ietf.org/html/rfc7636#section-4.1\n       *\n       * [A-Z] / [a-z] / [0-9] / \"-\" / \".\" / \"_\" / \"~\"\n       */\n      const unreserved =\n        'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~';\n      let size = 45;\n      let id = '';\n\n      const crypto =\n        typeof self === 'undefined' ? null : self.crypto || self['msCrypto'];\n      if (crypto) {\n        let bytes = new Uint8Array(size);\n        crypto.getRandomValues(bytes);\n\n        // Needed for IE\n        if (!bytes.map) {\n          (bytes as any).map = Array.prototype.map;\n        }\n\n        bytes = bytes.map((x) => unreserved.charCodeAt(x % unreserved.length));\n        id = String.fromCharCode.apply(null, bytes);\n      } else {\n        while (0 < size--) {\n          id += unreserved[(Math.random() * unreserved.length) | 0];\n        }\n      }\n\n      resolve(base64UrlEncode(id));\n    });\n  }\n\n  protected async checkAtHash(params: ValidationParams): Promise<boolean> {\n    if (!this.tokenValidationHandler) {\n      this.logger.warn(\n        'No tokenValidationHandler configured. Cannot check at_hash.'\n      );\n      return true;\n    }\n    return this.tokenValidationHandler.validateAtHash(params);\n  }\n\n  protected checkSignature(params: ValidationParams): Promise<any> {\n    if (!this.tokenValidationHandler) {\n      this.logger.warn(\n        'No tokenValidationHandler configured. Cannot check signature.'\n      );\n      return Promise.resolve(null);\n    }\n    return this.tokenValidationHandler.validateSignature(params);\n  }\n\n  /**\n   * Start the implicit flow or the code flow,\n   * depending on your configuration.\n   */\n  public initLoginFlow(additionalState = '', params = {}): void {\n    if (this.responseType === 'code') {\n      return this.initCodeFlow(additionalState, params);\n    } else {\n      return this.initImplicitFlow(additionalState, params);\n    }\n  }\n\n  /**\n   * Starts the authorization code flow and redirects to user to\n   * the auth servers login url.\n   */\n  public initCodeFlow(additionalState = '', params = {}): void {\n    if (this.loginUrl !== '') {\n      this.initCodeFlowInternal(additionalState, params);\n    } else {\n      this.events\n        .pipe(filter((e) => e.type === 'discovery_document_loaded'))\n        .subscribe(() => this.initCodeFlowInternal(additionalState, params));\n    }\n  }\n\n  private initCodeFlowInternal(additionalState = '', params = {}): void {\n    if (!this.validateUrlForHttps(this.loginUrl)) {\n      throw new Error(\n        \"loginUrl  must use HTTPS (with TLS), or config value for property 'requireHttps' must be set to 'false' and allow HTTP (without TLS).\"\n      );\n    }\n\n    let addParams = {};\n    let loginHint = null;\n    if (typeof params === 'string') {\n      loginHint = params;\n    } else if (typeof params === 'object') {\n      addParams = params;\n    }\n\n    this.createLoginUrl(additionalState, loginHint, null, false, addParams)\n      .then(this.config.openUri)\n      .catch((error) => {\n        console.error('Error in initAuthorizationCodeFlow');\n        console.error(error);\n      });\n  }\n\n  protected async createChallangeVerifierPairForPKCE(): Promise<\n    [string, string]\n  > {\n    if (!this.crypto) {\n      throw new Error(\n        'PKCE support for code flow needs a CryptoHander. Did you import the OAuthModule using forRoot() ?'\n      );\n    }\n\n    const verifier = await this.createNonce();\n    const challengeRaw = await this.crypto.calcHash(verifier, 'sha-256');\n    const challenge = base64UrlEncode(challengeRaw);\n\n    return [challenge, verifier];\n  }\n\n  private extractRecognizedCustomParameters(\n    tokenResponse: TokenResponse\n  ): Map<string, string> {\n    const foundParameters: Map<string, string> = new Map<string, string>();\n    if (!this.config.customTokenParameters) {\n      return foundParameters;\n    }\n    this.config.customTokenParameters.forEach((recognizedParameter: string) => {\n      if (tokenResponse[recognizedParameter]) {\n        foundParameters.set(\n          recognizedParameter,\n          JSON.stringify(tokenResponse[recognizedParameter])\n        );\n      }\n    });\n    return foundParameters;\n  }\n\n  /**\n   * Revokes the auth token to secure the vulnarability\n   * of the token issued allowing the authorization server to clean\n   * up any security credentials associated with the authorization\n   */\n  public revokeTokenAndLogout(\n    customParameters: boolean | object = {},\n    ignoreCorsIssues = false\n  ): Promise<any> {\n    const revokeEndpoint = this.revocationEndpoint;\n    const accessToken = this.getAccessToken();\n    const refreshToken = this.getRefreshToken();\n\n    if (!accessToken) {\n      return Promise.resolve();\n    }\n\n    let params = new HttpParams({ encoder: new WebHttpUrlEncodingCodec() });\n\n    let headers = new HttpHeaders().set(\n      'Content-Type',\n      'application/x-www-form-urlencoded'\n    );\n\n    if (this.useHttpBasicAuth) {\n      const header = btoa(`${this.clientId}:${this.dummyClientSecret}`);\n      headers = headers.set('Authorization', 'Basic ' + header);\n    }\n\n    if (!this.useHttpBasicAuth) {\n      params = params.set('client_id', this.clientId);\n    }\n\n    if (!this.useHttpBasicAuth && this.dummyClientSecret) {\n      params = params.set('client_secret', this.dummyClientSecret);\n    }\n\n    if (this.customQueryParams) {\n      for (const key of Object.getOwnPropertyNames(this.customQueryParams)) {\n        params = params.set(key, this.customQueryParams[key]);\n      }\n    }\n\n    return new Promise((resolve, reject) => {\n      let revokeAccessToken: Observable<void>;\n      let revokeRefreshToken: Observable<void>;\n\n      if (accessToken) {\n        const revokationParams = params\n          .set('token', accessToken)\n          .set('token_type_hint', 'access_token');\n        revokeAccessToken = this.http.post<void>(\n          revokeEndpoint,\n          revokationParams,\n          { headers }\n        );\n      } else {\n        revokeAccessToken = of(null);\n      }\n\n      if (refreshToken) {\n        const revokationParams = params\n          .set('token', refreshToken)\n          .set('token_type_hint', 'refresh_token');\n        revokeRefreshToken = this.http.post<void>(\n          revokeEndpoint,\n          revokationParams,\n          { headers }\n        );\n      } else {\n        revokeRefreshToken = of(null);\n      }\n\n      if (ignoreCorsIssues) {\n        revokeAccessToken = revokeAccessToken.pipe(\n          catchError((err: HttpErrorResponse) => {\n            if (err.status === 0) {\n              return of<void>(null);\n            }\n            return throwError(err);\n          })\n        );\n\n        revokeRefreshToken = revokeRefreshToken.pipe(\n          catchError((err: HttpErrorResponse) => {\n            if (err.status === 0) {\n              return of<void>(null);\n            }\n            return throwError(err);\n          })\n        );\n      }\n\n      combineLatest([revokeAccessToken, revokeRefreshToken]).subscribe(\n        (res) => {\n          this.logOut(customParameters);\n          resolve(res);\n          this.logger.info('Token successfully revoked');\n        },\n        (err) => {\n          this.logger.error('Error revoking token', err);\n          this.eventsSubject.next(\n            new OAuthErrorEvent('token_revoke_error', err)\n          );\n          reject(err);\n        }\n      );\n    });\n  }\n\n  /**\n   * Clear location.hash if it's present\n   */\n  private clearLocationHash() {\n    // Checking for empty hash is necessary for Firefox\n    // as setting an empty hash to an empty string adds # to the URL\n    if (location.hash != '') {\n      location.hash = '';\n    }\n  }\n}\n"]} |
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