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69 lines
2.4 KiB
TypeScript
69 lines
2.4 KiB
TypeScript
import {Injectable} from "@angular/core";
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import {HttpEvent, HttpHandler, HttpInterceptor, HttpRequest} from "@angular/common/http";
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import {Observable, throwError, TimeoutError} from "rxjs";
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import {catchError} from "rxjs/operators";
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import {Session} from "./login/utils/helper.class";
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import {GuardsCheckEnd, GuardsCheckStart, Router} from "@angular/router";
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import {LoginErrorCodes} from "./login/utils/guardHelper.class";
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import {properties} from "../../environments/environment";
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import * as url from "url";
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@Injectable()
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export class ErrorInterceptorService implements HttpInterceptor {
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private static UNAUTHORIZED_WHITELIST = [properties.orcidAPIURL, properties.registryUrl? (properties.registryUrl + 'verification/'):null, properties.eoscDataTransferAPI].filter(value => !!value);
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private url: string = null;
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constructor(private router: Router) {
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this.router.events.forEach(event => {
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if(event instanceof GuardsCheckStart) {
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this.url = event.url;
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} else if(event instanceof GuardsCheckEnd) {
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this.url = null;
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}
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})
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}
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intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
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return next.handle(req).pipe(catchError(err => {
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if(err instanceof TimeoutError) {
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console.error(req.url, "Timeout");
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}
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if ((err.status === 0 && properties.registryUrl && this.isService(req, properties.registryUrl) && req.method !== 'GET') ||
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(err.status === 401 && !this.isService(req, ErrorInterceptorService.UNAUTHORIZED_WHITELIST))) {
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this.logOut();
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} else if(err.status === 403 && !this.isService(req, ErrorInterceptorService.UNAUTHORIZED_WHITELIST)) {
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this.unauthorized();
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}
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return throwError(err);
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}));
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}
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isService(req: HttpRequest<any>, service: string | string[]):boolean {
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if(Array.isArray(service)) {
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return !!service.find(element => req.url.indexOf(element) !== -1);
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} else {
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return req.url.indexOf(service) !== -1;
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}
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}
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logOut() {
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Session.removeUser();
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this.router.navigate(['/user-info'], {
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queryParams: {
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'errorCode': LoginErrorCodes.NOT_LOGIN,
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'redirectUrl': this.url?this.url:this.router.url
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}
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});
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}
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unauthorized() {
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this.router.navigate(['/user-info'], {
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queryParams: {
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'errorCode': LoginErrorCodes.NOT_AUTHORIZED,
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'redirectUrl': this.url?this.url:this.router.url
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}
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});
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}
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}
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