1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261 | 1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
2x
2x
1x
4x
4x
4x
4x
4x
1x
4x
1x
4x
2x
2x
1x
1x
1x
2x
2x
4x
4x
4x
4x
1x
2x
1x
1x
1x
1x
4x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
| import jwt from 'jsonwebtoken';
import {
AuthPayload,
AuthScope,
AuthServer,
IAccessToken,
IRefreshToken
} from '../';
describe('Auth Server', () => {
const ONE_MINUTE = 1000 * 60;
const ONE_DAY = ONE_MINUTE * 60 * 24;
const ONE_MONTH = ONE_DAY * 30;
const ACCESS_TOKEN_COOKIE = 'abc';
const ACCESS_TOKEN_SECRET = 'password';
const REFRESH_TOKEN_COOKIE = 'aei';
const refreshTokens = new Map();
class AccessToken implements IAccessToken {
public cookie: string;
constructor(public Auth: AuthServer) {
this.cookie = ACCESS_TOKEN_COOKIE;
}
public buildPayload({
id,
companyId,
admin
}: {
id: string;
companyId: string;
admin: boolean;
}) {
const scope = admin
? this.Auth.scope.create(['admin:read', 'admin:write'])
: '';
return { id, companyId, scope };
}
public create(payload: { uId: string; cId: string; scope: string }) {
return jwt.sign(payload, ACCESS_TOKEN_SECRET, {
expiresIn: '20m'
});
}
public verify(accessToken: string) {
const payload = jwt.verify(accessToken, ACCESS_TOKEN_SECRET, {
algorithms: ['HS256'],
clockTolerance: 80 // seconds to tolerate
});
// This should never happen cause our payload is a valid JSON
Iif (typeof payload === 'string') return {};
return payload;
}
public getExpDate() {
return new Date(Date.now() + ONE_MINUTE * 20);
}
}
class RefreshToken implements IRefreshToken {
public cookie: string;
constructor(public Auth: AuthServer) {
this.cookie = REFRESH_TOKEN_COOKIE;
}
public async create({ id: userId }: { id: string }) {
const id = Date.now().toString();
refreshTokens.set(id, {
userId,
expireAt: this.getExpDate()
});
return id;
}
public remove(refreshToken: string) {
return refreshTokens.delete(refreshToken);
}
public async getPayload(refreshToken: string, reset: () => any) {
reset();
return refreshTokens.get(refreshToken);
}
public getExpDate() {
return new Date(Date.now() + ONE_MONTH);
}
}
const authPayload = new AuthPayload({
uId: 'id',
cId: 'companyId',
scope: 'scope'
});
const authScope = new AuthScope({
admin: 'a'
});
const authServer = new AuthServer({
AccessToken,
RefreshToken,
payload: authPayload,
scope: authScope
});
const expiredToken =
'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1SWQiOiJ1c2VyXzEyMyIsImNJZCI6ImNvbXBhbnlfMTIzIiwic2NvcGUiOiJhOnI6dyIsImlhdCI6MTUxODE0MTIzNCwiZXhwIjoxNTE4MTQyNDM0fQ.3ZRmx08htMX5KLsv8VhBVD8vjxHzWOiDDli7JXFf83Q';
// Payload to create a token
const userPayload = {
id: 'user_123',
companyId: 'company_123',
admin: true
};
// Payload got from a token
const tokenPayload = {
id: userPayload.id,
companyId: userPayload.companyId,
scope: 'a:r:w'
};
it('should set a default scope if no scope is used', () => {
const auth = new AuthServer({
AccessToken,
RefreshToken,
payload: authPayload
});
expect(auth.scope).toBeInstanceOf(AuthScope);
});
it('creates an accessToken', () => {
expect(authServer.createAccessToken(userPayload)).toEqual({
accessToken: expect.any(String),
payload: tokenPayload
});
});
it('creates a refreshToken', async () => {
expect(typeof await authServer.createRefreshToken(userPayload)).toBe(
'string'
);
});
it('creates both tokens', async () => {
expect(await authServer.createTokens(userPayload)).toEqual({
refreshToken: expect.any(String),
accessToken: expect.any(String),
payload: tokenPayload
});
});
it('gets the payload for an accessToken', async () => {
const refreshToken = await authServer.createRefreshToken(userPayload);
const reset = () => {
// do nothing
};
expect(await authServer.getPayload(refreshToken, reset)).toEqual({
userId: userPayload.id,
expireAt: refreshTokens.get(refreshToken).expireAt
});
});
it('Removes a refreshToken', async () => {
const refreshToken = await authServer.createRefreshToken(userPayload);
expect(authServer.removeRefreshRoken(refreshToken)).toBe(true);
expect(authServer.removeRefreshRoken(refreshToken)).toBe(false);
expect(authServer.removeRefreshRoken('')).toBe(false);
});
describe('Verifies an accessToken', () => {
it('returns the payload', () => {
const at = authServer.createAccessToken(userPayload);
const decodedPayload = authServer.verify(at.accessToken);
expect(decodedPayload).toEqual(at.payload);
expect(decodedPayload).toEqual(tokenPayload);
});
it('throws if expired', () => {
expect(() => {
authServer.verify(expiredToken);
}).toThrow();
});
});
describe('decodes an accessToken', () => {
it('Returns the payload', () => {
const at = authServer.createAccessToken(userPayload);
const decodedPayload = authServer.decode(at.accessToken);
expect(decodedPayload).toEqual(at.payload);
expect(decodedPayload).toEqual(tokenPayload);
});
it('Returns null with empty accessToken', () => {
expect(authServer.decode('')).toBe(null);
});
it('Returns null if expired', () => {
expect(authServer.decode(expiredToken)).toBe(null);
});
});
describe('Gets an accessToken from a request', () => {
const headers = {
authorization: 'Bearer ' + expiredToken
};
const cookies = {
[ACCESS_TOKEN_COOKIE]: 'x' + expiredToken
};
it('uses the headers to get the token', () => {
expect(authServer.getAccessToken({ headers })).toBe(expiredToken);
});
it('uses the cookies to get the token', () => {
expect(authServer.getAccessToken({ cookies })).toBe('x' + expiredToken);
});
it('always prioritizes the headers', () => {
expect(
authServer.getAccessToken({ headers, cookies, signedCookies: cookies })
).toBe(expiredToken);
});
it('should be null with empty object', () => {
expect(authServer.getAccessToken({})).toBe(null);
});
});
describe('Gets a refreshToken from a request', () => {
const signedCookies = {
[REFRESH_TOKEN_COOKIE]: 'xxx'
};
const cookies = {
[REFRESH_TOKEN_COOKIE]: 'yyy'
};
it('uses the signed cookies to get the token', () => {
expect(authServer.getRefreshToken({ signedCookies })).toBe('xxx');
});
it('uses the cookies to get the token', () => {
expect(authServer.getRefreshToken({ cookies })).toBe('yyy');
});
it('always prioritizes the signedCookies', () => {
expect(authServer.getRefreshToken({ signedCookies, cookies })).toBe(
'xxx'
);
});
it('should be null with empty object', () => {
expect(authServer.getRefreshToken({})).toBe(null);
});
});
});
|