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Commit | Line | Data |
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230809ef | 1 | import { Injectable } from '@angular/core'; |
de59c48f | 2 | import { Headers, Http, URLSearchParams } from '@angular/http'; |
5555f886 C |
3 | import { Observable } from 'rxjs/Observable'; |
4 | import { Subject } from 'rxjs/Subject'; | |
b1794c53 | 5 | |
41a2aee3 | 6 | import { AuthStatus } from './auth-status.model'; |
7da18e44 | 7 | import { AuthUser } from './auth-user.model'; |
de59c48f | 8 | import { RestExtractor } from '../rest'; |
b1794c53 C |
9 | |
10 | @Injectable() | |
11 | export class AuthService { | |
6606150c | 12 | private static BASE_CLIENT_URL = '/api/v1/clients/local'; |
bd5c83a8 | 13 | private static BASE_TOKEN_URL = '/api/v1/users/token'; |
629d8d6f | 14 | private static BASE_USER_INFORMATIONS_URL = '/api/v1/users/me'; |
b1794c53 | 15 | |
ccf6ed16 | 16 | loginChangedSource: Observable<AuthStatus>; |
b1794c53 | 17 | |
ccf6ed16 C |
18 | private clientId: string; |
19 | private clientSecret: string; | |
4fd8aa32 | 20 | private loginChanged: Subject<AuthStatus>; |
7da18e44 | 21 | private user: AuthUser = null; |
ccf6ed16 | 22 | |
de59c48f | 23 | constructor(private http: Http, private restExtractor: RestExtractor) { |
ccf6ed16 C |
24 | this.loginChanged = new Subject<AuthStatus>(); |
25 | this.loginChangedSource = this.loginChanged.asObservable(); | |
23a5a916 C |
26 | |
27 | // Fetch the client_id/client_secret | |
28 | // FIXME: save in local storage? | |
ccf6ed16 | 29 | this.http.get(AuthService.BASE_CLIENT_URL) |
de59c48f C |
30 | .map(this.restExtractor.extractDataGet) |
31 | .catch((res) => this.restExtractor.handleError(res)) | |
23a5a916 C |
32 | .subscribe( |
33 | result => { | |
ccf6ed16 C |
34 | this.clientId = result.client_id; |
35 | this.clientSecret = result.client_secret; | |
23a5a916 C |
36 | console.log('Client credentials loaded.'); |
37 | }, | |
38 | error => { | |
39 | alert(error); | |
40 | } | |
ad10a70b | 41 | ); |
bd5c83a8 C |
42 | |
43 | // Return null if there is nothing to load | |
7da18e44 | 44 | this.user = AuthUser.load(); |
1553e15d | 45 | } |
b1794c53 | 46 | |
bd5c83a8 C |
47 | getRefreshToken() { |
48 | if (this.user === null) return null; | |
49 | ||
50 | return this.user.getRefreshToken(); | |
51 | } | |
52 | ||
e822fdae | 53 | getRequestHeaderValue() { |
0f3a78e7 | 54 | return `${this.getTokenType()} ${this.getAccessToken()}`; |
1553e15d C |
55 | } |
56 | ||
0f3a78e7 | 57 | getAccessToken() { |
bd5c83a8 C |
58 | if (this.user === null) return null; |
59 | ||
60 | return this.user.getAccessToken(); | |
1553e15d C |
61 | } |
62 | ||
ccf6ed16 | 63 | getTokenType() { |
bd5c83a8 C |
64 | if (this.user === null) return null; |
65 | ||
66 | return this.user.getTokenType(); | |
1553e15d C |
67 | } |
68 | ||
7da18e44 | 69 | getUser(): AuthUser { |
bd5c83a8 | 70 | return this.user; |
1553e15d C |
71 | } |
72 | ||
7da18e44 C |
73 | isAdmin() { |
74 | if (this.user === null) return false; | |
75 | ||
76 | return this.user.isAdmin(); | |
77 | } | |
78 | ||
ccf6ed16 | 79 | isLoggedIn() { |
0f3a78e7 | 80 | if (this.getAccessToken()) { |
1553e15d C |
81 | return true; |
82 | } else { | |
83 | return false; | |
84 | } | |
85 | } | |
86 | ||
4fd8aa32 C |
87 | login(username: string, password: string) { |
88 | let body = new URLSearchParams(); | |
89 | body.set('client_id', this.clientId); | |
90 | body.set('client_secret', this.clientSecret); | |
91 | body.set('response_type', 'code'); | |
92 | body.set('grant_type', 'password'); | |
93 | body.set('scope', 'upload'); | |
94 | body.set('username', username); | |
95 | body.set('password', password); | |
96 | ||
97 | let headers = new Headers(); | |
98 | headers.append('Content-Type', 'application/x-www-form-urlencoded'); | |
99 | ||
100 | let options = { | |
101 | headers: headers | |
102 | }; | |
103 | ||
bd5c83a8 | 104 | return this.http.post(AuthService.BASE_TOKEN_URL, body.toString(), options) |
de59c48f | 105 | .map(this.restExtractor.extractDataGet) |
bd5c83a8 C |
106 | .map(res => { |
107 | res.username = username; | |
108 | return res; | |
109 | }) | |
629d8d6f | 110 | .flatMap(res => this.fetchUserInformations(res)) |
bd5c83a8 | 111 | .map(res => this.handleLogin(res)) |
de59c48f | 112 | .catch((res) => this.restExtractor.handleError(res)); |
4fd8aa32 C |
113 | } |
114 | ||
115 | logout() { | |
bd5c83a8 C |
116 | // TODO: make an HTTP request to revoke the tokens |
117 | this.user = null; | |
7da18e44 | 118 | AuthUser.flush(); |
e62f6ef7 C |
119 | |
120 | this.setStatus(AuthStatus.LoggedOut); | |
bd5c83a8 C |
121 | } |
122 | ||
123 | refreshAccessToken() { | |
124 | console.log('Refreshing token...'); | |
125 | ||
126 | const refreshToken = this.getRefreshToken(); | |
127 | ||
128 | let body = new URLSearchParams(); | |
129 | body.set('refresh_token', refreshToken); | |
130 | body.set('client_id', this.clientId); | |
131 | body.set('client_secret', this.clientSecret); | |
132 | body.set('response_type', 'code'); | |
133 | body.set('grant_type', 'refresh_token'); | |
134 | ||
135 | let headers = new Headers(); | |
136 | headers.append('Content-Type', 'application/x-www-form-urlencoded'); | |
137 | ||
138 | let options = { | |
139 | headers: headers | |
140 | }; | |
141 | ||
142 | return this.http.post(AuthService.BASE_TOKEN_URL, body.toString(), options) | |
de59c48f | 143 | .map(this.restExtractor.extractDataGet) |
bd5c83a8 | 144 | .map(res => this.handleRefreshToken(res)) |
de59c48f | 145 | .catch((res) => this.restExtractor.handleError(res)); |
4fd8aa32 C |
146 | } |
147 | ||
629d8d6f C |
148 | private fetchUserInformations (obj: any) { |
149 | // Do not call authHttp here to avoid circular dependencies headaches | |
150 | ||
151 | const headers = new Headers(); | |
152 | headers.set('Authorization', `Bearer ${obj.access_token}`); | |
153 | ||
154 | return this.http.get(AuthService.BASE_USER_INFORMATIONS_URL, { headers }) | |
155 | .map(res => res.json()) | |
156 | .map(res => { | |
157 | obj.id = res.id; | |
158 | obj.role = res.role; | |
159 | return obj; | |
160 | } | |
161 | ); | |
162 | } | |
163 | ||
bd5c83a8 | 164 | private handleLogin (obj: any) { |
629d8d6f | 165 | const id = obj.id; |
bd5c83a8 | 166 | const username = obj.username; |
629d8d6f | 167 | const role = obj.role; |
7da18e44 | 168 | const hashTokens = { |
bd5c83a8 C |
169 | access_token: obj.access_token, |
170 | token_type: obj.token_type, | |
171 | refresh_token: obj.refresh_token | |
172 | }; | |
173 | ||
7da18e44 | 174 | this.user = new AuthUser({ id, username, role }, hashTokens); |
bd5c83a8 C |
175 | this.user.save(); |
176 | ||
177 | this.setStatus(AuthStatus.LoggedIn); | |
178 | } | |
179 | ||
bd5c83a8 C |
180 | private handleRefreshToken (obj: any) { |
181 | this.user.refreshTokens(obj.access_token, obj.refresh_token); | |
182 | this.user.save(); | |
183 | } | |
629d8d6f C |
184 | |
185 | private setStatus(status: AuthStatus) { | |
186 | this.loginChanged.next(status); | |
187 | } | |
188 | ||
b1794c53 | 189 | } |