generated from nhcarrigan/template
89 lines
2.2 KiB
TypeScript
89 lines
2.2 KiB
TypeScript
/**
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* @copyright 2026 NHCarrigan
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* @license Naomi's Public License
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* @author Naomi Carrigan
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*/
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import { Injectable, signal, inject } from '@angular/core';
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import { HttpClient, HttpHeaders } from '@angular/common/http';
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import { Observable, switchMap, tap, of } from 'rxjs';
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import { environment } from '../../environments/environment';
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interface CsrfTokenResponse {
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csrfToken: string;
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}
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@Injectable({
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providedIn: 'root'
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})
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export class ApiService {
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private http = inject(HttpClient);
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private readonly apiUrl = environment.apiUrl;
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private csrfToken = signal<string | null>(null);
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private getHeaders(): HttpHeaders {
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const headers: Record<string, string> = {
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'Content-Type': 'application/json'
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};
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const token = this.csrfToken();
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if (token) {
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headers['X-CSRF-Token'] = token;
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}
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return new HttpHeaders(headers);
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}
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private ensureCsrfToken(): Observable<string> {
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const existingToken = this.csrfToken();
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if (existingToken) {
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return of(existingToken);
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}
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return this.http.get<CsrfTokenResponse>(`${this.apiUrl}/auth/csrf-token`, {
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withCredentials: true
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}).pipe(
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tap(response => this.csrfToken.set(response.csrfToken)),
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switchMap(response => of(response.csrfToken))
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);
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}
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get<T>(endpoint: string): Observable<T> {
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return this.http.get<T>(`${this.apiUrl}${endpoint}`, {
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headers: this.getHeaders(),
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withCredentials: true
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});
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}
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post<T>(endpoint: string, body: unknown): Observable<T> {
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return this.ensureCsrfToken().pipe(
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switchMap(() => this.http.post<T>(`${this.apiUrl}${endpoint}`, body, {
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headers: this.getHeaders(),
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withCredentials: true
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}))
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);
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}
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put<T>(endpoint: string, body: unknown): Observable<T> {
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return this.ensureCsrfToken().pipe(
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switchMap(() => this.http.put<T>(`${this.apiUrl}${endpoint}`, body, {
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headers: this.getHeaders(),
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withCredentials: true
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}))
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);
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}
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delete<T>(endpoint: string): Observable<T> {
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return this.ensureCsrfToken().pipe(
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switchMap(() => this.http.delete<T>(`${this.apiUrl}${endpoint}`, {
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headers: this.getHeaders(),
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withCredentials: true
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}))
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);
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}
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clearCsrfToken(): void {
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this.csrfToken.set(null);
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}
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}
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