1 import { Injectable } from '@angular/core'
12 } from '@angular/http'
13 import { Observable } from 'rxjs/Observable'
15 import { AuthService } from '../../core'
18 export class AuthHttp extends Http {
19 constructor (backend: ConnectionBackend, defaultOptions: RequestOptions, private authService: AuthService) {
20 super(backend, defaultOptions)
23 request (url: string | Request, options?: RequestOptionsArgs): Observable<Response> {
24 if (!options) options = {}
26 options.headers = new Headers()
27 this.setAuthorizationHeader(options.headers)
29 return super.request(url, options)
31 if (err.status === 401) {
32 return this.handleTokenExpired(url, options)
35 return Observable.throw(err)
39 delete (url: string, options?: RequestOptionsArgs): Observable<Response> {
40 if (!options) options = {}
41 options.method = RequestMethod.Delete
43 return this.request(url, options)
46 get (url: string, options?: RequestOptionsArgs): Observable<Response> {
47 if (!options) options = {}
48 options.method = RequestMethod.Get
50 return this.request(url, options)
53 post (url: string, body: any, options?: RequestOptionsArgs): Observable<Response> {
54 if (!options) options = {}
55 options.method = RequestMethod.Post
58 return this.request(url, options)
61 put (url: string, body: any, options?: RequestOptionsArgs): Observable<Response> {
62 if (!options) options = {}
63 options.method = RequestMethod.Put
66 return this.request(url, options)
69 private handleTokenExpired (url: string | Request, options: RequestOptionsArgs) {
70 return this.authService.refreshAccessToken()
72 this.setAuthorizationHeader(options.headers)
74 return super.request(url, options)
78 private setAuthorizationHeader (headers: Headers) {
79 headers.set('Authorization', this.authService.getRequestHeaderValue())
83 export function useFactory (backend: XHRBackend, defaultOptions: RequestOptions, authService: AuthService) {
84 return new AuthHttp(backend, defaultOptions, authService)
87 export const AUTH_HTTP_PROVIDERS = [
91 deps: [ XHRBackend, RequestOptions, AuthService ]