50 lines
1.6 KiB
TypeScript
50 lines
1.6 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} from 'rxjs';
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import {environment} from "../../environments/environment";
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import {AuthenticationService} from '../service/authentication.service' ;
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@Injectable()
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export class AuthInterceptor implements HttpInterceptor {
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private publicUrlPatterns: string[] = [];
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private host: string = environment.apiUrl;
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constructor(private authenticationService: AuthenticationService) {
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let publicUrlsSpringPatterns: string[] = environment.publicUrls;
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let hostPattern = this.host.replace("/", "\/");
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for (const urlPattern of publicUrlsSpringPatterns) {
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let newUrlPattern = urlPattern
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.replace('/**', "\/.*")
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.replace('/*', '\/[A-Za-z0-9\-\.]+')
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+"$";
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this.publicUrlPatterns.push(hostPattern + newUrlPattern);
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}
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}
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intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
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if (this.isRequestUrlMatches(request.url)) {
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request = this.injectAuthToken(request);
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}
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return next.handle(request);
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}
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private injectAuthToken(request: HttpRequest<any>) {
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this.authenticationService.loadToken();
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const token = this.authenticationService.getToken();
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request = request.clone({
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setHeaders: {
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Authorization: `Bearer ${token}`
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}
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});
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return request;
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}
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public isRequestUrlMatches(requestUrl: string): boolean {
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return requestUrl.includes(this.host) &&
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!this.publicUrlPatterns.some(urlPattern => requestUrl.match(urlPattern));
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}
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}
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