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-rw-r--r--client/app/users/shared/auth.service.ts107
1 files changed, 107 insertions, 0 deletions
diff --git a/client/app/users/shared/auth.service.ts b/client/app/users/shared/auth.service.ts
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1import { Injectable } from '@angular/core';
2import { Headers, Http, RequestOptions, Response, URLSearchParams } from '@angular/http';
3import { Observable, Subject } from 'rxjs/Rx';
4
5import { AuthStatus } from './auth-status.model';
6import { User } from './user.model';
7
8@Injectable()
9export class AuthService {
10 loginChanged$;
11
12 private _loginChanged;
13 private _baseLoginUrl = '/api/v1/users/token';
14 private _baseClientUrl = '/api/v1/users/client';
15 private _clientId = '';
16 private _clientSecret = '';
17
18 constructor (private http: Http) {
19 this._loginChanged = new Subject<AuthStatus>();
20 this.loginChanged$ = this._loginChanged.asObservable();
21
22 // Fetch the client_id/client_secret
23 // FIXME: save in local storage?
24 this.http.get(this._baseClientUrl)
25 .map(res => res.json())
26 .catch(this.handleError)
27 .subscribe(
28 result => {
29 this._clientId = result.client_id;
30 this._clientSecret = result.client_secret;
31 console.log('Client credentials loaded.');
32 },
33 error => {
34 alert(error);
35 }
36 );
37 }
38
39 login(username: string, password: string) {
40 let body = new URLSearchParams();
41 body.set('client_id', this._clientId);
42 body.set('client_secret', this._clientSecret);
43 body.set('response_type', 'code');
44 body.set('grant_type', 'password');
45 body.set('scope', 'upload');
46 body.set('username', username);
47 body.set('password', password);
48
49 let headers = new Headers();
50 headers.append('Content-Type', 'application/x-www-form-urlencoded');
51
52 let options = {
53 headers: headers
54 };
55
56 return this.http.post(this._baseLoginUrl, body.toString(), options)
57 .map(res => res.json())
58 .catch(this.handleError);
59 }
60
61 logout() {
62 // TODO make HTTP request
63 }
64
65 getRequestHeader(): Headers {
66 return new Headers({ 'Authorization': `${this.getTokenType()} ${this.getToken()}` });
67 }
68
69 getAuthRequestOptions(): RequestOptions {
70 return new RequestOptions({ headers: this.getRequestHeader() });
71 }
72
73 getToken(): string {
74 return localStorage.getItem('access_token');
75 }
76
77 getTokenType(): string {
78 return localStorage.getItem('token_type');
79 }
80
81 getUser(): User {
82 if (this.isLoggedIn() === false) {
83 return null;
84 }
85
86 const user = User.load();
87
88 return user;
89 }
90
91 isLoggedIn(): boolean {
92 if (this.getToken()) {
93 return true;
94 } else {
95 return false;
96 }
97 }
98
99 setStatus(status: AuthStatus) {
100 this._loginChanged.next(status);
101 }
102
103 private handleError (error: Response) {
104 console.error(error);
105 return Observable.throw(error.json() || { error: 'Server error' });
106 }
107}