1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
declare(strict_types=1); |
4
|
|
|
|
5
|
|
|
namespace PSR7CsrfTest; |
6
|
|
|
|
7
|
|
|
use Lcobucci\JWT\Builder; |
8
|
|
|
use Lcobucci\JWT\Parser; |
9
|
|
|
use Lcobucci\JWT\Signer; |
10
|
|
|
use PHPUnit\Framework\TestCase; |
11
|
|
|
use Psr\Http\Message\ResponseInterface; |
12
|
|
|
use Psr\Http\Message\ServerRequestInterface; |
13
|
|
|
use Psr\Http\Server\RequestHandlerInterface; |
14
|
|
|
use PSR7Csrf\CSRFCheckerMiddleware; |
15
|
|
|
use PSR7Csrf\Exception\SessionAttributeNotFoundException; |
16
|
|
|
use PSR7Csrf\HttpMethod\IsSafeHttpRequestInterface; |
17
|
|
|
use PSR7Csrf\RequestParameter\ExtractCSRFParameterInterface; |
18
|
|
|
use PSR7Csrf\Session\ExtractUniqueKeyFromSessionInterface; |
19
|
|
|
use PSR7Sessions\Storageless\Session\SessionInterface; |
20
|
|
|
use stdClass; |
21
|
|
|
|
22
|
|
|
/** |
23
|
|
|
* @covers \PSR7Csrf\CSRFCheckerMiddleware |
24
|
|
|
*/ |
25
|
|
|
final class CSRFCheckerMiddlewareTest extends TestCase |
26
|
|
|
{ |
27
|
|
|
/** |
28
|
|
|
* @var Signer |
29
|
|
|
*/ |
30
|
|
|
private $signer; |
31
|
|
|
|
32
|
|
|
/** |
33
|
|
|
* @var Parser |
34
|
|
|
*/ |
35
|
|
|
private $tokenParser; |
36
|
|
|
|
37
|
|
|
/** |
38
|
|
|
* @var IsSafeHttpRequestInterface|\PHPUnit_Framework_MockObject_MockObject |
39
|
|
|
*/ |
40
|
|
|
private $isSafeHttpRequest; |
41
|
|
|
|
42
|
|
|
/** |
43
|
|
|
* @var ExtractUniqueKeyFromSessionInterface|\PHPUnit_Framework_MockObject_MockObject |
44
|
|
|
*/ |
45
|
|
|
private $extractUniqueKeyFromSession; |
46
|
|
|
|
47
|
|
|
/** |
48
|
|
|
* @var ExtractCSRFParameterInterface|\PHPUnit_Framework_MockObject_MockObject |
49
|
|
|
*/ |
50
|
|
|
private $extractCSRFParameter; |
51
|
|
|
|
52
|
|
|
/** |
53
|
|
|
* @var ServerRequestInterface|\PHPUnit_Framework_MockObject_MockObject |
54
|
|
|
*/ |
55
|
|
|
private $request; |
56
|
|
|
|
57
|
|
|
/** |
58
|
|
|
* @var ResponseInterface|\PHPUnit_Framework_MockObject_MockObject |
59
|
|
|
*/ |
60
|
|
|
private $response; |
61
|
|
|
|
62
|
|
|
/** |
63
|
|
|
* @var SessionInterface|\PHPUnit_Framework_MockObject_MockObject |
64
|
|
|
*/ |
65
|
|
|
private $session; |
66
|
|
|
|
67
|
|
|
/** |
68
|
|
|
* @var string |
69
|
|
|
*/ |
70
|
|
|
private $sessionAttribute; |
71
|
|
|
|
72
|
|
|
/** |
73
|
|
|
* @var RequestHandlerInterface|\PHPUnit_Framework_MockObject_MockObject |
74
|
|
|
*/ |
75
|
|
|
private $nextMiddleware; |
76
|
|
|
|
77
|
|
|
/** |
78
|
|
|
* @var CSRFCheckerMiddleware |
79
|
|
|
*/ |
80
|
|
|
private $middleware; |
81
|
|
|
|
82
|
|
|
/** |
83
|
|
|
* @var ResponseInterface |
84
|
|
|
*/ |
85
|
|
|
private $faultyResponse; |
86
|
|
|
|
87
|
|
|
/** |
88
|
|
|
* {@inheritDoc} |
89
|
|
|
*/ |
90
|
|
|
protected function setUp() |
91
|
|
|
{ |
92
|
|
|
parent::setUp(); |
93
|
|
|
|
94
|
|
|
$this->signer = new Signer\Hmac\Sha256(); |
95
|
|
|
$this->tokenParser = new Parser(); |
96
|
|
|
$this->isSafeHttpRequest = $this->createMock(IsSafeHttpRequestInterface::class); |
97
|
|
|
$this->extractUniqueKeyFromSession = $this->createMock(ExtractUniqueKeyFromSessionInterface::class); |
98
|
|
|
$this->extractCSRFParameter = $this->createMock(ExtractCSRFParameterInterface::class); |
99
|
|
|
$this->request = $this->createMock(ServerRequestInterface::class); |
100
|
|
|
$this->response = $this->createMock(ResponseInterface::class); |
101
|
|
|
$this->session = $this->createMock(SessionInterface::class); |
102
|
|
|
$this->sessionAttribute = uniqid('session', true); |
103
|
|
|
$this->nextMiddleware = $this->createMock(RequestHandlerInterface::class); |
104
|
|
|
$this->faultyResponse = $this->createMock(ResponseInterface::class); |
|
|
|
|
105
|
|
|
$this->middleware = new CSRFCheckerMiddleware( |
106
|
|
|
$this->isSafeHttpRequest, |
|
|
|
|
107
|
|
|
$this->extractUniqueKeyFromSession, |
|
|
|
|
108
|
|
|
$this->extractCSRFParameter, |
|
|
|
|
109
|
|
|
$this->tokenParser, |
110
|
|
|
$this->signer, |
111
|
|
|
$this->sessionAttribute, |
112
|
|
|
$this->faultyResponse |
|
|
|
|
113
|
|
|
); |
114
|
|
|
} |
115
|
|
|
|
116
|
|
|
public function testWillIgnoreSafeRequestsWithNoNextMiddleware() |
117
|
|
|
{ |
118
|
|
|
$this->isSafeHttpRequest->expects(self::any())->method('__invoke')->with($this->request)->willReturn(true); |
119
|
|
|
|
120
|
|
|
$this |
121
|
|
|
->nextMiddleware |
122
|
|
|
->expects(self::once()) |
123
|
|
|
->method('handle') |
124
|
|
|
->with($this->request) |
125
|
|
|
->willReturn($this->response); |
126
|
|
|
|
127
|
|
|
self::assertSame($this->response, $this->middleware->process($this->request, $this->nextMiddleware)); |
128
|
|
|
} |
129
|
|
|
|
130
|
|
|
public function testWillSucceedIfANonSafeRequestIsProvidedWithAValidTokenWithNextMiddleware() |
131
|
|
|
{ |
132
|
|
|
$secret = uniqid('secret', true); |
133
|
|
|
$validToken = (new Builder()) |
134
|
|
|
->sign($this->signer, $secret) |
135
|
|
|
->getToken(); |
136
|
|
|
|
137
|
|
|
$this |
138
|
|
|
->nextMiddleware |
139
|
|
|
->expects(self::once()) |
140
|
|
|
->method('handle') |
141
|
|
|
->with($this->request) |
142
|
|
|
->willReturn($this->response); |
143
|
|
|
$this->isSafeHttpRequest->expects(self::any())->method('__invoke')->with($this->request)->willReturn(false); |
144
|
|
|
$this |
145
|
|
|
->extractUniqueKeyFromSession |
146
|
|
|
->expects(self::any()) |
147
|
|
|
->method('__invoke') |
148
|
|
|
->with($this->session) |
149
|
|
|
->willReturn($secret); |
150
|
|
|
$this |
151
|
|
|
->extractCSRFParameter |
152
|
|
|
->expects(self::any()) |
153
|
|
|
->method('__invoke') |
154
|
|
|
->with($this->request) |
155
|
|
|
->willReturn((string) $validToken); |
156
|
|
|
$this |
157
|
|
|
->request |
158
|
|
|
->expects(self::any()) |
159
|
|
|
->method('getAttribute') |
160
|
|
|
->with($this->sessionAttribute) |
161
|
|
|
->willReturn($this->session); |
162
|
|
|
|
163
|
|
|
self::assertSame( |
164
|
|
|
$this->response, |
165
|
|
|
$this->middleware->process($this->request, $this->nextMiddleware) |
166
|
|
|
); |
167
|
|
|
} |
168
|
|
|
|
169
|
|
|
public function testNonMatchingSignedTokensAreRejected() |
170
|
|
|
{ |
171
|
|
|
$secret = uniqid('secret', true); |
172
|
|
|
$validToken = (new Builder()) |
173
|
|
|
->sign($this->signer, uniqid('wrongSecret', true)) |
174
|
|
|
->getToken(); |
175
|
|
|
|
176
|
|
|
$this->isSafeHttpRequest->expects(self::any())->method('__invoke')->with($this->request)->willReturn(false); |
177
|
|
|
$this |
178
|
|
|
->extractUniqueKeyFromSession |
179
|
|
|
->expects(self::any()) |
180
|
|
|
->method('__invoke') |
181
|
|
|
->with($this->session) |
182
|
|
|
->willReturn($secret); |
183
|
|
|
$this |
184
|
|
|
->extractCSRFParameter |
185
|
|
|
->expects(self::any()) |
186
|
|
|
->method('__invoke') |
187
|
|
|
->with($this->request) |
188
|
|
|
->willReturn((string) $validToken); |
189
|
|
|
$this |
190
|
|
|
->request |
191
|
|
|
->expects(self::any()) |
192
|
|
|
->method('getAttribute') |
193
|
|
|
->with($this->sessionAttribute) |
194
|
|
|
->willReturn($this->session); |
195
|
|
|
|
196
|
|
|
$this->assertFaultyResponse(); |
197
|
|
|
} |
198
|
|
|
|
199
|
|
|
public function testUnsignedTokensAreRejected() |
200
|
|
|
{ |
201
|
|
|
$secret = uniqid('secret', true); |
202
|
|
|
$validToken = (new Builder())->getToken(); |
203
|
|
|
|
204
|
|
|
$this->isSafeHttpRequest->expects(self::any())->method('__invoke')->with($this->request)->willReturn(false); |
205
|
|
|
$this |
206
|
|
|
->extractUniqueKeyFromSession |
207
|
|
|
->expects(self::any()) |
208
|
|
|
->method('__invoke') |
209
|
|
|
->with($this->session) |
210
|
|
|
->willReturn($secret); |
211
|
|
|
$this |
212
|
|
|
->extractCSRFParameter |
213
|
|
|
->expects(self::any()) |
214
|
|
|
->method('__invoke') |
215
|
|
|
->with($this->request) |
216
|
|
|
->willReturn((string) $validToken); |
217
|
|
|
$this |
218
|
|
|
->request |
219
|
|
|
->expects(self::any()) |
220
|
|
|
->method('getAttribute') |
221
|
|
|
->with($this->sessionAttribute) |
222
|
|
|
->willReturn($this->session); |
223
|
|
|
|
224
|
|
|
$this->assertFaultyResponse(); |
225
|
|
|
} |
226
|
|
|
|
227
|
|
|
public function testExpiredSignedTokensAreRejected() |
228
|
|
|
{ |
229
|
|
|
$secret = uniqid('secret', true); |
230
|
|
|
$validToken = (new Builder()) |
231
|
|
|
->setExpiration(time() - 3600) |
232
|
|
|
->sign($this->signer, $secret) |
233
|
|
|
->getToken(); |
234
|
|
|
|
235
|
|
|
$this->isSafeHttpRequest->expects(self::any())->method('__invoke')->with($this->request)->willReturn(false); |
236
|
|
|
$this |
237
|
|
|
->extractUniqueKeyFromSession |
238
|
|
|
->expects(self::any()) |
239
|
|
|
->method('__invoke') |
240
|
|
|
->with($this->session) |
241
|
|
|
->willReturn($secret); |
242
|
|
|
$this |
243
|
|
|
->extractCSRFParameter |
244
|
|
|
->expects(self::any()) |
245
|
|
|
->method('__invoke') |
246
|
|
|
->with($this->request) |
247
|
|
|
->willReturn((string) $validToken); |
248
|
|
|
$this |
249
|
|
|
->request |
250
|
|
|
->expects(self::any()) |
251
|
|
|
->method('getAttribute') |
252
|
|
|
->with($this->sessionAttribute) |
253
|
|
|
->willReturn($this->session); |
254
|
|
|
|
255
|
|
|
$this->assertFaultyResponse(); |
256
|
|
|
} |
257
|
|
|
|
258
|
|
|
public function testMalformedTokensShouldBeRejected() |
259
|
|
|
{ |
260
|
|
|
$this->isSafeHttpRequest->expects(self::any())->method('__invoke')->with($this->request)->willReturn(false); |
261
|
|
|
$this |
262
|
|
|
->extractUniqueKeyFromSession |
263
|
|
|
->expects(self::any()) |
264
|
|
|
->method('__invoke') |
265
|
|
|
->with($this->session) |
266
|
|
|
->willReturn(uniqid('secret', true)); |
267
|
|
|
$this |
268
|
|
|
->extractCSRFParameter |
269
|
|
|
->expects(self::any()) |
270
|
|
|
->method('__invoke') |
271
|
|
|
->with($this->request) |
272
|
|
|
->willReturn('yadda yadda invalid bs'); |
273
|
|
|
$this |
274
|
|
|
->request |
275
|
|
|
->expects(self::any()) |
276
|
|
|
->method('getAttribute') |
277
|
|
|
->with($this->sessionAttribute) |
278
|
|
|
->willReturn($this->session); |
279
|
|
|
|
280
|
|
|
$this->assertFaultyResponse(); |
281
|
|
|
} |
282
|
|
|
|
283
|
|
|
public function testWillFailIfARequestDoesNotIncludeASession() |
284
|
|
|
{ |
285
|
|
|
$this->isSafeHttpRequest->expects(self::any())->method('__invoke')->with($this->request)->willReturn(false); |
286
|
|
|
$this |
287
|
|
|
->extractCSRFParameter |
288
|
|
|
->expects(self::any()) |
289
|
|
|
->method('__invoke') |
290
|
|
|
->with($this->request) |
291
|
|
|
->willReturn((new Builder())->getToken()); |
292
|
|
|
$this |
293
|
|
|
->request |
294
|
|
|
->expects(self::any()) |
295
|
|
|
->method('getAttribute') |
296
|
|
|
->with($this->sessionAttribute) |
297
|
|
|
->willReturn(new stdClass()); |
298
|
|
|
$this |
299
|
|
|
->request |
300
|
|
|
->expects(self::any()) |
301
|
|
|
->method('getAttributes') |
302
|
|
|
->willReturn([]); |
303
|
|
|
|
304
|
|
|
$this->expectException(SessionAttributeNotFoundException::class); |
305
|
|
|
|
306
|
|
|
$this->middleware->process($this->request, $this->nextMiddleware); |
307
|
|
|
} |
308
|
|
|
|
309
|
|
|
private function assertFaultyResponse() : void |
310
|
|
|
{ |
311
|
|
|
$this->nextMiddleware->expects(self::never())->method('handle'); |
312
|
|
|
|
313
|
|
|
self::assertSame($this->faultyResponse, $this->middleware->process($this->request, $this->nextMiddleware)); |
314
|
|
|
} |
315
|
|
|
} |
316
|
|
|
|
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..