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
import anyTest, { type TestFn } from 'ava'import setup, {  type Context,  teardown,  issuer,  endpoint,  client,  getResponse,  UA,} from './_setup.js'import * as lib from '../src/index.js'
const test = anyTest as TestFn<Context>
test.before(setup)test.after(teardown)
const tClient: lib.Client = { ...client, client_secret: 'foo' }
test('clientCredentialsGrantRequest()', async (t) => {  await t.throwsAsync(lib.clientCredentialsGrantRequest(issuer, tClient, new URLSearchParams()), {    message: '"as.token_endpoint" must be a string',  })
  const tIssuer: lib.AuthorizationServer = {    ...issuer,    token_endpoint: endpoint('token-1'),  }
  t.context    .intercept({      path: '/token-1',      method: 'POST',      headers: {        accept: 'application/json',        'user-agent': UA,      },      body(body) {        const params = new URLSearchParams(body)        return params.get('grant_type') === 'client_credentials'      },    })    .reply(200, { access_token: 'token', token_type: 'Bearer' })
  await t.notThrowsAsync(lib.clientCredentialsGrantRequest(tIssuer, tClient, new URLSearchParams()))})
test('clientCredentialsGrantRequest() w/ Extra Parameters', async (t) => {  const tIssuer: lib.AuthorizationServer = {    ...issuer,    token_endpoint: endpoint('token-2'),  }
  t.context    .intercept({      path: '/token-2',      method: 'POST',      body(body) {        const params = new URLSearchParams(body)        return params.get('resource') === 'urn:example:resource'      },    })    .reply(200, { access_token: 'token', token_type: 'Bearer' })
  await t.notThrowsAsync(    lib.clientCredentialsGrantRequest(      tIssuer,      tClient,      new URLSearchParams('resource=urn:example:resource'),    ),  )})
test('clientCredentialsGrantRequest() w/ Custom Headers', async (t) => {  const tIssuer: lib.AuthorizationServer = {    ...issuer,    token_endpoint: endpoint('token-headers'),  }
  t.context    .intercept({      path: '/token-headers',      method: 'POST',      headers: {        accept: 'application/json',        'user-agent': 'foo',        foo: 'bar',      },    })    .reply(200, { access_token: 'token', token_type: 'Bearer' })
  await t.notThrowsAsync(    lib.clientCredentialsGrantRequest(tIssuer, tClient, new URLSearchParams(), {      headers: new Headers([        ['accept', 'will be overwritten'],        ['user-agent', 'foo'],        ['foo', 'bar'],      ]),    }),  )})
test('clientCredentialsGrantRequest() w/ DPoP', async (t) => {  const tIssuer: lib.AuthorizationServer = {    ...issuer,    token_endpoint: endpoint('token-3'),  }
  t.context    .intercept({      path: '/token-3',      method: 'POST',      headers: {        dpop: /.+/,      },    })    .reply(200, { access_token: 'token', token_type: 'DPoP' })
  const DPoP = await lib.generateKeyPair('ES256')  await t.notThrowsAsync(    lib.clientCredentialsGrantRequest(tIssuer, tClient, new URLSearchParams(), { DPoP }),  )})
test('processClientCredentialsResponse()', async (t) => {  await t.throwsAsync(lib.processClientCredentialsResponse(issuer, client, <any>null), {    message: '"response" must be an instance of Response',  })  await t.throwsAsync(    lib.processClientCredentialsResponse(issuer, client, getResponse('', { status: 404 })),    {      message: '"response" is not a conform Token Endpoint response',    },  )  await t.throwsAsync(lib.processClientCredentialsResponse(issuer, client, getResponse('{"')), {    message: 'failed to parse "response" body as JSON',  })  await t.throwsAsync(lib.processClientCredentialsResponse(issuer, client, getResponse('null')), {    message: '"response" body must be a top level object',  })  await t.throwsAsync(lib.processClientCredentialsResponse(issuer, client, getResponse('[]')), {    message: '"response" body must be a top level object',  })  await t.throwsAsync(    lib.processClientCredentialsResponse(      issuer,      client,      getResponse(JSON.stringify({ token_type: 'Bearer' })),    ),    {      message: '"response" body "access_token" property must be a non-empty string',    },  )  await t.throwsAsync(    lib.processClientCredentialsResponse(      issuer,      client,      getResponse(JSON.stringify({ access_token: 'token' })),    ),    {      message: '"response" body "token_type" property must be a non-empty string',    },  )  await t.throwsAsync(    lib.processClientCredentialsResponse(      issuer,      client,      getResponse(        JSON.stringify({          access_token: 'token',          token_type: 'Bearer',          expires_in: new Date().toUTCString(),        }),      ),    ),    {      message: '"response" body "expires_in" property must be a positive number',    },  )
  t.deepEqual(    await lib.processClientCredentialsResponse(      issuer,      client,      getResponse(JSON.stringify({ access_token: 'token', token_type: 'Bearer', expires_in: 60 })),    ),    {      access_token: 'token',      token_type: 'bearer',      expires_in: 60,    },  )
  t.true(    lib.isOAuth2Error(      await lib.processClientCredentialsResponse(        issuer,        client,        getResponse(JSON.stringify({ error: 'invalid_grant' }), { status: 400 }),      ),    ),  )
  t.false(    lib.isOAuth2Error(      await lib.processClientCredentialsResponse(        issuer,        client,        getResponse(JSON.stringify({ access_token: 'token', token_type: 'Bearer' })),      ),    ),  )})