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import { Injectable } from '@angular/core';
import { ActivatedRouteSnapshot, Router, UrlTree } from '@angular/router';
import { Store, select } from '@ngrx/store';
import { Observable, noop, of, race, throwError } from 'rxjs';
import { catchError, concatMap, delay, filter, first, map, switchMap, take, tap } from 'rxjs/operators';
import { AccountFacade } from 'ish-core/facades/account.facade';
import { AppFacade } from 'ish-core/facades/app.facade';
import { CheckoutFacade } from 'ish-core/facades/checkout.facade';
import { IdentityProvider, TriggerReturnType } from 'ish-core/identity-provider/identity-provider.interface';
import { TokenService } from 'ish-core/services/token/token.service';
import { selectQueryParam } from 'ish-core/store/core/router';
import { ApiTokenService } from 'ish-core/utils/api-token/api-token.service';
import { CookiesService } from 'ish-core/utils/cookies/cookies.service';
import { whenTruthy } from 'ish-core/utils/operators';
import { PunchoutService } from '../services/punchout/punchout.service';
@Injectable({ providedIn: 'root' })
export class PunchoutIdentityProvider implements IdentityProvider {
constructor(
protected router: Router,
protected store: Store,
protected apiTokenService: ApiTokenService,
private appFacade: AppFacade,
private accountFacade: AccountFacade,
private punchoutService: PunchoutService,
private cookiesService: CookiesService,
private checkoutFacade: CheckoutFacade,
private tokenService: TokenService
) {}
getCapabilities() {
return {
editPassword: true,
editEmail: true,
editProfile: true,
};
}
init() {
this.apiTokenService.getCookieVanishes$().subscribe(type => {
Iif (type === 'user') {
this.accountFacade.logoutUser({ revokeApiToken: false });
}
});
// OAuth Service should be configured before apiToken information are restored and the refresh token mechanism is setup
this.apiTokenService.restore$(['user', 'order']).subscribe(noop);
this.checkoutFacade.basket$.pipe(whenTruthy(), first()).subscribe(basketView => {
window.sessionStorage.setItem('basket-id', basketView.id);
});
}
triggerLogin(route: ActivatedRouteSnapshot): TriggerReturnType {
// check for required start parameters before doing anything with the punchout route
// 'sid', 'access-token' (cXML) or 'HOOK_URL', 'USERNAME', 'PASSWORD' (OCI)
if (
!(
(route.queryParamMap.has('sid') && route.queryParamMap.has('access-token')) ||
(route.queryParamMap.has('HOOK_URL') &&
route.queryParamMap.has('USERNAME') &&
route.queryParamMap.has('PASSWORD'))
)
) {
this.appFacade.setBusinessError('punchout.error.missing.parameters');
return false;
}
if (route.queryParamMap.has('access-token')) {
this.accountFacade.loginUserWithToken(route.queryParamMap.get('access-token'));
} else {
this.accountFacade.loginUser({
login: route.queryParamMap.get('USERNAME'),
password: route.queryParamMap.get('PASSWORD'),
});
}
return race(
// throw an error if a user login error occurs
this.accountFacade.userError$.pipe(
whenTruthy(),
take(1),
concatMap(userError => throwError(() => userError))
),
// handle the punchout functions once the punchout user is logged in
this.accountFacade.isLoggedIn$.pipe(
whenTruthy(),
take(1),
switchMap(() => {
// handle cXML punchout with sid
if (route.queryParamMap.get('sid')) {
return this.handleCxmlPunchoutLogin(route);
// handle OCI punchout with HOOK_URL
} else if (route.queryParamMap.get('HOOK_URL')) {
return this.handleOciPunchoutLogin(route);
}
}),
// punchout error after successful authentication (needs to logout)
catchError(error =>
this.accountFacade.userLoading$.pipe(
first(loading => !loading),
delay(0),
switchMap(() => {
this.accountFacade.logoutUser();
this.apiTokenService.removeApiToken();
this.appFacade.setBusinessError(error);
return of(this.router.parseUrl('/error'));
})
)
)
)
).pipe(
// general punchout error handling (parameter missing, authentication error)
catchError(error => {
this.appFacade.setBusinessError(error);
return of(this.router.parseUrl('/error'));
})
);
}
triggerLogout(): TriggerReturnType {
window.sessionStorage.removeItem('basket-id');
this.accountFacade.logoutUser(); // user will be logged out and related refresh token is revoked on server
return this.accountFacade.isLoggedIn$.pipe(
// wait until the user is logged out before you go to homepage to prevent unnecessary REST calls
filter(loggedIn => !loggedIn),
take(1),
tap(() => this.tokenService.logOut()), // remove token from storage when user is logged out
switchMap(() =>
this.store.pipe(
select(selectQueryParam('returnUrl')),
map(returnUrl => returnUrl || '/home'),
map(returnUrl => this.router.parseUrl(returnUrl))
)
)
);
}
intercept(req: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>> {
return this.apiTokenService.intercept(req, next);
}
private handleCxmlPunchoutLogin(route: ActivatedRouteSnapshot): Observable<UrlTree> {
// fetch sid session information (basketId, returnURL, operation, ...)
return this.punchoutService.getCxmlPunchoutSession(route.queryParamMap.get('sid')).pipe(
// persist cXML session information (sid, returnURL, basketId) in cookies for later basket transfer
tap(data => {
this.cookiesService.put('punchout_SID', route.queryParamMap.get('sid'));
this.cookiesService.put('punchout_ReturnURL', data.returnURL);
this.cookiesService.put('punchout_BasketID', data.basketId);
}),
// use the basketId basket for the current PWA session (instead of default current basket)
// TODO: if load basket error (currently no error page) -> logout and do not use default 'current' basket
// TODO: if loadBasketWithId is faster then the initial loading of the 'current' basket after login the wrong 'current' basket might be used (the additional delay is the current work around)
delay(500),
tap(data => this.checkoutFacade.loadBasketWithId(data.basketId)),
map(() => this.router.parseUrl('/home'))
);
}
private handleOciPunchoutLogin(route: ActivatedRouteSnapshot) {
// save HOOK_URL to cookie for later basket transfer
this.cookiesService.put('punchout_HookURL', route.queryParamMap.get('HOOK_URL'));
const basketId = window.sessionStorage.getItem('basket-id');
if (!basketId) {
// create a new basket for every punchout session to avoid basket conflicts for concurrent punchout sessions
this.checkoutFacade.createBasket();
} else {
this.checkoutFacade.loadBasketWithId(basketId);
}
// Product Details
if (route.queryParamMap.get('FUNCTION') === 'DETAIL' && route.queryParamMap.get('PRODUCTID')) {
return of(this.router.parseUrl(`/product/${route.queryParamMap.get('PRODUCTID')}`));
// Validation of Products
} else if (route.queryParamMap.get('FUNCTION') === 'VALIDATE' && route.queryParamMap.get('PRODUCTID')) {
return this.punchoutService
.getOciPunchoutProductData(route.queryParamMap.get('PRODUCTID'), route.queryParamMap.get('QUANTITY') || '1')
.pipe(
tap(data => this.punchoutService.submitOciPunchoutData(data)),
map(() => false)
);
// Background Search
} else if (route.queryParamMap.get('FUNCTION') === 'BACKGROUND_SEARCH' && route.queryParamMap.get('SEARCHSTRING')) {
return this.punchoutService.getOciPunchoutSearchData(route.queryParamMap.get('SEARCHSTRING')).pipe(
tap(data => this.punchoutService.submitOciPunchoutData(data, false)),
map(() => false)
);
// Login
} else {
return of(this.router.parseUrl('/home'));
}
}
}
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