InvalidParameterFilterTest::testIsAFilter() - Code Metrics - Inspection of "Improved 'InvalidParameterFilter'; added 'FilterFa..." - danbettles/defence - Measure and Improve Code Quality continuously with Scrutinizer

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by Daniel

created 2023-11-27 13:13 UTC

InvalidParameterFilterTest::testIsAFilter() A

↳ Parent: InvalidParameterFilterTest

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	1
dl	0
loc	3
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	0

<?php

declare(strict_types=1);

namespace DanBettles\Defence\Tests\Filter;

use Psr\Log\NullLogger;
use Psr\Log\LogLevel;
use DanBettles\Defence\Filter\InvalidParameterFilter;
use DanBettles\Defence\Filter\AbstractFilter;
use DanBettles\Defence\Envelope;
use DanBettles\Defence\Tests\AbstractTestCase;
use InvalidArgumentException;
use Symfony\Component\HttpFoundation\Request;

use function strtoupper;

use const false;
use const null;
use const true;

/**
 * @phpstan-import-type Selector from InvalidParameterFilter
 * @phpstan-import-type AugmentedFilterOptions from InvalidParameterFilter
 */
class InvalidParameterFilterTest extends AbstractTestCase
{
    public function testIsAFilter(): void
    {
        $this->assertSubclassOf(AbstractFilter::class, InvalidParameterFilter::class);
    }

    /** @return array<mixed[]> */
    public function providesConstructorArguments(): array
    {
        return [[
            'selector' => ['blog_id', 'post_id'],
            'validator' => '/^\d*$/',
        ], [
            'selector' => '/_id$/',
            'validator' => '/^\d*$/',
        ]];
    }

    /**
     * @dataProvider providesConstructorArguments
     * @phpstan-param Selector $selector
     */
    public function testConstructor(
        $selector,
        string $validator
    ): void {
        $filter = new InvalidParameterFilter($selector, $validator);

        $this->assertSame($selector, $filter->getSelector());
        $this->assertSame($validator, $filter->getValidator());

        $this->assertSame([
            'log_level' => LogLevel::WARNING,
            'type' => null,
        ], $filter->getOptions());
    }

    public function testConstructorAcceptsOptions(): void
    {
        $filter = new InvalidParameterFilter([], '//', [
            'foo' => 'bar',
        ]);

        $this->assertSame([
            'log_level' => LogLevel::WARNING,
            'type' => null,
            'foo' => 'bar',
        ], $filter->getOptions());
    }

    /** @return array<mixed[]> */
    public function providesInvalidTypeNames(): array
    {
        $invalidTypeNames = [
            'bool',
            'boolean',
            'int',
            'integer',
            'float',
            'double',
            'object',
            'resource',
            'resource (closed)',
            'null',
            'unknown type',
        ];

        $argLists = [];

        foreach ($invalidTypeNames as $invalidTypeName) {
            $argLists[] = [
                $invalidTypeName,
            ];

            $argLists[] = [
                strtoupper($invalidTypeName),
            ];
        }

        return $argLists;
    }

    /** @dataProvider providesInvalidTypeNames */
    public function testConstructorThrowsAnExceptionIfTheValueOfTheTypeOptionIsInvalid(string $invalidTypeName): void
    {
        $this->expectException(InvalidArgumentException::class);
        $this->expectExceptionMessage('Option `type` is not one of: `NULL`, `"string"`, `"array"`');

        new InvalidParameterFilter(['ignored'], 'ignored', [
            'type' => $invalidTypeName,
        ]);
    }

    /** @return array<mixed[]> */
    public function providesInvalidSelectors(): array
    {
        return [[
            true,
        ], [
            123,
        ], [
            1.23,
        ], [
            null,
        ]];
    }

    /**
     * @dataProvider providesInvalidSelectors
     * @param mixed $invalidSelector
     */
    public function testConstructorThrowsAnExceptionIfTheSelectorIsInvalid($invalidSelector): void
    {
        $this->expectException(InvalidArgumentException::class);
        $this->expectExceptionMessage('The selector is invalid.');

        /** @phpstan-ignore-next-line */
        new InvalidParameterFilter($invalidSelector, '//');
    }

    /** @return array<mixed[]> */
    public function providesRequestsContainingInvalidParameters(): array
    {
        $requestFactory = $this->getRequestFactory();

        $argLists = [[
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createGet([]),
            'selector' => ['id'],  //Specific parameters.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createPost([]),
            'selector' => ['id'],  //Specific parameters.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createGet(['id' => '123']),
            'selector' => ['id'],  //Specific parameters.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createPost(['id' => '123']),
            'selector' => ['id'],  //Specific parameters.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createGet(['id' => '']),
            'selector' => ['id'],  //Specific parameters.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createPost(['id' => '']),
            'selector' => ['id'],  //Specific parameters.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createGet([]),
            'selector' => '/_id$/',  //All parameters with names matching a regex.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createPost([]),
            'selector' => '/_id$/',  //All parameters with names matching a regex.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createGet(['valid_id' => '123']),
            'selector' => '/_id$/',  //All parameters with names matching a regex.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createPost(['valid_id' => '123']),
            'selector' => '/_id$/',  //All parameters with names matching a regex.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createGet(['id' => ['123', '456']]),  // As in `?id[]=123&id[]=456`
            'selector' => ['id'],  //Specific parameters.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createPost(['id' => ['123', '456']]),  // As in `?id[]=123&id[]=456`.
            'selector' => ['id'],  //Specific parameters.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createGet(['valid_id' => ['123', '456']]),  // As in `?id[]=123&id[]=456`.
            'selector' => '/_id$/',  //All parameters with names matching a regex.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => false,
            'request' => $requestFactory->createPost(['valid_id' => ['123', '456']]),  // As in `?id[]=123&id[]=456`.
            'selector' => '/_id$/',  //All parameters with names matching a regex.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => true,
            'request' => $requestFactory->createGet(['id' => "71094'A=0"]),
            'selector' => ['id'],  //Specific parameters.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => true,
            'request' => $requestFactory->createPost(['id' => "71094'A=0"]),
            'selector' => ['id'],  //Specific parameters.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => true,
            'request' => $requestFactory->createGet(['invalid_id' => "71094'A=0"]),
            'selector' => '/_id$/',  //All parameters with names matching a regex.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => true,
            'request' => $requestFactory->createPost(['invalid_id' => "71094'A=0"]),
            'selector' => '/_id$/',  //All parameters with names matching a regex.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => true,
            'request' => $requestFactory->createGet(['id' => ['123', "71094'A=0"]]),  // As in `?id[]=123&id[]=71094%27A%3D0`.
            'selector' => ['id'],  //Specific parameters.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => true,
            'request' => $requestFactory->createPost(['id' => ['123', "71094'A=0"]]),  // As in `?id[]=123&id[]=71094%27A%3D0`.
            'selector' => ['id'],  //Specific parameters.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => true,
            'request' => $requestFactory->createGet(['invalid_id' => ['123', "71094'A=0"]]),  // As in `?id[]=123&id[]=71094%27A%3D0`.
            'selector' => '/_id$/',  //All parameters with names matching a regex.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => true,
            'request' => $requestFactory->createPost(['invalid_id' => ['123', "71094'A=0"]]),  // As in `?id[]=123&id[]=71094%27A%3D0`.
            'selector' => '/_id$/',  //All parameters with names matching a regex.
            'validator' => '/^\d*$/',
            'options' => [],
        ], [
            'requestIsSuspicious' => true,
            'request' => $requestFactory->createGet(['array_of_valid_ids' => ['123']]),  // As in `?array_of_valid_ids[]=123`.
            'selector' => ['array_of_valid_ids'],
            'validator' => '/^\d*$/',
            'options' => ['type' => 'string'],
        ], [
            'requestIsSuspicious' => true,
            'request' => $requestFactory->createPost(['array_of_valid_ids' => ['123']]),  // As in `?array_of_valid_ids[]=123`.
            'selector' => ['array_of_valid_ids'],
            'validator' => '/^\d*$/',
            'options' => ['type' => 'string'],
        ]];

        $getRequest = $requestFactory->createGet();
        $getRequest->query->set('1564736436', '');  // The query string was `?1564736436=`

        $argLists[] = [
            'requestIsSuspicious' => false,
            'request' => $getRequest,
            'selector' => '/_id$/',  // All parameters with names matching a regex
            'validator' => '/^\d*$/',
            'options' => [],
        ];

        $postRequest = $requestFactory->createPost();
        $postRequest->request->set('1564736436', '');  // The query string was `?1564736436=`

        $argLists[] = [
            'requestIsSuspicious' => false,
            'request' => $postRequest,
            'selector' => '/_id$/',  // All parameters with names matching a regex
            'validator' => '/^\d*$/',
            'options' => [],
        ];

        return $argLists;
    }

    /**
     * @dataProvider providesRequestsContainingInvalidParameters
     * @phpstan-param Selector $selector
     * @phpstan-param AugmentedFilterOptions $options
     */
    public function testInvokeReturnsTrueIfTheValueOfAParameterIsInvalid(
        bool $requestIsSuspicious,
        Request $request,
        $selector,
        string $validator,
        array $options
    ): void {
        $envelope = new Envelope($request, new NullLogger());
        $filter = new InvalidParameterFilter($selector, $validator, $options);

        $this->assertSame($requestIsSuspicious, $filter($envelope));
    }

    /** @return array<mixed[]> */
    public function providesLogMessages(): array
    {
        $requestFactory = $this->getRequestFactory();

        return [
            [
                'expectedMessage' => 'The value of `query.foo_id` failed validation using the regex `/^\d*$/`.',
                'selector' => ['foo_id'],
                'validator' => '/^\d*$/',
                'options' => [],
                'request' => $requestFactory->createGet(['foo_id' => 'bar']),
            ],
            [
                'expectedMessage' => 'The value of `request.foo_id` failed validation using the regex `/^\d*$/`.',
                'selector' => ['foo_id'],
                'validator' => '/^\d*$/',
                'options' => [],
                'request' => $requestFactory->createPost(['foo_id' => 'bar']),
            ],
            [
                'expectedMessage' => 'The value of `query.foo_id` failed validation using the regex `/^\d*$/`.',
                'selector' => '/_id$/',
                'validator' => '/^\d*$/',
                'options' => [],
                'request' => $requestFactory->createGet(['foo_id' => 'bar']),
            ],
            [
                'expectedMessage' => 'The value of `request.foo_id` failed validation using the regex `/^\d*$/`.',
                'selector' => '/_id$/',
                'validator' => '/^\d*$/',
                'options' => [],
                'request' => $requestFactory->createPost(['foo_id' => 'bar']),
            ],
            [
                'expectedMessage' => 'The value of `query.bar` failed validation using the regex `/^[a-z]+$/`.',
                'selector' => ['bar'],
                'validator' => '/^[a-z]+$/',  //A different regex.
                'options' => [],
                'request' => $requestFactory->createGet(['bar' => 'BAZ']),
            ],
            [
                'expectedMessage' => 'The value of `request.bar` failed validation using the regex `/^[a-z]+$/`.',
                'selector' => ['bar'],
                'validator' => '/^[a-z]+$/',  //A different regex.
                'options' => [],
                'request' => $requestFactory->createPost(['bar' => 'BAZ']),
            ],
            [
                'expectedMessage' => 'The value of `query.foo` is not of type `string`',
                'selector' => ['foo'],
                'validator' => 'ignored',
                'options' => ['type' => 'string'],
                'request' => $requestFactory->createGet(['foo' => ['bar', 'baz']]),
            ],
            [
                'expectedMessage' => 'The value of `request.foo` is not of type `string`',
                'selector' => ['foo'],
                'validator' => 'ignored',
                'options' => ['type' => 'string'],
                'request' => $requestFactory->createPost(['foo' => ['bar', 'baz']]),
            ],
            [
                'expectedMessage' => 'The value of `query.foo` is not of type `array`',
                'selector' => ['foo'],
                'validator' => 'ignored',
                'options' => ['type' => 'array'],
                'request' => $requestFactory->createGet(['foo' => 'bar']),
            ],
            [
                'expectedMessage' => 'The value of `request.foo` is not of type `array`',
                'selector' => ['foo'],
                'validator' => 'ignored',
                'options' => ['type' => 'array'],
                'request' => $requestFactory->createPost(['foo' => 'bar']),
            ],
        ];
    }

    /**
     * @dataProvider providesLogMessages
     * @phpstan-param Selector $selector
     * @phpstan-param AugmentedFilterOptions $options
     */
    public function testInvokeWillAddALogEntryIfTheRequestIsSuspicious(
        string $expectedMessage,
        $selector,
        string $validator,
        array $options,
        Request $request
    ): void {
        $envelope = new Envelope($request, new NullLogger());

        $filterMock = $this
            ->getMockBuilder(InvalidParameterFilter::class)
            ->setConstructorArgs([
                $selector,
                $validator,
                $options,
            ])
            ->onlyMethods(['envelopeAddLogEntry'])
            ->getMock()
        ;

        $filterMock
            ->expects($this->once())
            ->method('envelopeAddLogEntry')
            ->with($envelope, $expectedMessage)
        ;

        $this->assertTrue($filterMock($envelope));
    }

    /** @return array<mixed[]> */
    public function providesTrustfulRequests(): array
    {
        $requestFactory = $this->getRequestFactory();

        return [[
            'selector' => ['foo_id'],
            'validator' => '/^\d*$/',
            'request' => $requestFactory->createGet(['foo_id' => '123']),
        ], [
            'selector' => ['foo_id'],
            'validator' => '/^\d*$/',
            'request' => $requestFactory->createPost(['foo_id' => '123']),
        ], [
            'selector' => '/_id$/',
            'validator' => '/^\d*$/',
            'request' => $requestFactory->createGet(['foo_id' => '123']),
        ], [
            'selector' => '/_id$/',
            'validator' => '/^\d*$/',
            'request' => $requestFactory->createPost(['foo_id' => '123']),
        ]];
    }

    /**
     * @dataProvider providesTrustfulRequests
     * @phpstan-param Selector $selector
     */
    public function testInvokeWillNotAddALogEntryIfTheRequestIsNotSuspicious(
        $selector,
        string $validator,
        Request $request
    ): void {
        $envelope = new Envelope($request, new NullLogger());

        $filterMock = $this
            ->getMockBuilder(InvalidParameterFilter::class)
            ->setConstructorArgs([
                $selector,
                $validator,
            ])
            ->onlyMethods(['envelopeAddLogEntry'])
            ->getMock()
        ;

        $filterMock
            ->expects($this->never())
            ->method('envelopeAddLogEntry')
        ;

        $this->assertFalse($filterMock($envelope));
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace DanBettles\Defence\Tests\Filter;
6
7			use Psr\Log\NullLogger;
8			use Psr\Log\LogLevel;
9			use DanBettles\Defence\Filter\InvalidParameterFilter;
10			use DanBettles\Defence\Filter\AbstractFilter;
11			use DanBettles\Defence\Envelope;
12			use DanBettles\Defence\Tests\AbstractTestCase;
13			use InvalidArgumentException;
14			use Symfony\Component\HttpFoundation\Request;
15
16			use function strtoupper;
17
18			use const false;
19			use const null;
20			use const true;
21
22			/**
23			* @phpstan-import-type Selector from InvalidParameterFilter
24			* @phpstan-import-type AugmentedFilterOptions from InvalidParameterFilter
25			*/
26			class InvalidParameterFilterTest extends AbstractTestCase
27			{
28			public function testIsAFilter(): void
29			{
30			$this->assertSubclassOf(AbstractFilter::class, InvalidParameterFilter::class);
31			}
32
33			/** @return array<mixed[]> */
34			public function providesConstructorArguments(): array
35			{
36			return [[
37			'selector' => ['blog_id', 'post_id'],
38			'validator' => '/^\d*$/',
39			], [
40			'selector' => '/_id$/',
41			'validator' => '/^\d*$/',
42			]];
43			}
44
45			/**
46			* @dataProvider providesConstructorArguments
47			* @phpstan-param Selector $selector
48			*/
49			public function testConstructor(
50			$selector,
51			string $validator
52			): void {
53			$filter = new InvalidParameterFilter($selector, $validator);
54
55			$this->assertSame($selector, $filter->getSelector());
56			$this->assertSame($validator, $filter->getValidator());
57
58			$this->assertSame([
59			'log_level' => LogLevel::WARNING,
60			'type' => null,
61			], $filter->getOptions());
62			}
63
64			public function testConstructorAcceptsOptions(): void
65			{
66			$filter = new InvalidParameterFilter([], '//', [
67			'foo' => 'bar',
68			]);
69
70			$this->assertSame([
71			'log_level' => LogLevel::WARNING,
72			'type' => null,
73			'foo' => 'bar',
74			], $filter->getOptions());
75			}
76
77			/** @return array<mixed[]> */
78			public function providesInvalidTypeNames(): array
79			{
80			$invalidTypeNames = [
81			'bool',
82			'boolean',
83			'int',
84			'integer',
85			'float',
86			'double',
87			'object',
88			'resource',
89			'resource (closed)',
90			'null',
91			'unknown type',
92			];
93
94			$argLists = [];
95
96			foreach ($invalidTypeNames as $invalidTypeName) {
97			$argLists[] = [
98			$invalidTypeName,
99			];
100
101			$argLists[] = [
102			strtoupper($invalidTypeName),
103			];
104			}
105
106			return $argLists;
107			}
108
109			/** @dataProvider providesInvalidTypeNames */
110			public function testConstructorThrowsAnExceptionIfTheValueOfTheTypeOptionIsInvalid(string $invalidTypeName): void
111			{
112			$this->expectException(InvalidArgumentException::class);
113			$this->expectExceptionMessage('Option `type` is not one of: `NULL`, `"string"`, `"array"`');
114
115			new InvalidParameterFilter(['ignored'], 'ignored', [
116			'type' => $invalidTypeName,
117			]);
118			}
119
120			/** @return array<mixed[]> */
121			public function providesInvalidSelectors(): array
122			{
123			return [[
124			true,
125			], [
126			123,
127			], [
128			1.23,
129			], [
130			null,
131			]];
132			}
133
134			/**
135			* @dataProvider providesInvalidSelectors
136			* @param mixed $invalidSelector
137			*/
138			public function testConstructorThrowsAnExceptionIfTheSelectorIsInvalid($invalidSelector): void
139			{
140			$this->expectException(InvalidArgumentException::class);
141			$this->expectExceptionMessage('The selector is invalid.');
142
143			/** @phpstan-ignore-next-line */
144			new InvalidParameterFilter($invalidSelector, '//');
145			}
146
147			/** @return array<mixed[]> */
148			public function providesRequestsContainingInvalidParameters(): array
149			{
150			$requestFactory = $this->getRequestFactory();
151
152			$argLists = [[
153			'requestIsSuspicious' => false,
154			'request' => $requestFactory->createGet([]),
155			'selector' => ['id'], //Specific parameters.
156			'validator' => '/^\d*$/',
157			'options' => [],
158			], [
159			'requestIsSuspicious' => false,
160			'request' => $requestFactory->createPost([]),
161			'selector' => ['id'], //Specific parameters.
162			'validator' => '/^\d*$/',
163			'options' => [],
164			], [
165			'requestIsSuspicious' => false,
166			'request' => $requestFactory->createGet(['id' => '123']),
167			'selector' => ['id'], //Specific parameters.
168			'validator' => '/^\d*$/',
169			'options' => [],
170			], [
171			'requestIsSuspicious' => false,
172			'request' => $requestFactory->createPost(['id' => '123']),
173			'selector' => ['id'], //Specific parameters.
174			'validator' => '/^\d*$/',
175			'options' => [],
176			], [
177			'requestIsSuspicious' => false,
178			'request' => $requestFactory->createGet(['id' => '']),
179			'selector' => ['id'], //Specific parameters.
180			'validator' => '/^\d*$/',
181			'options' => [],
182			], [
183			'requestIsSuspicious' => false,
184			'request' => $requestFactory->createPost(['id' => '']),
185			'selector' => ['id'], //Specific parameters.
186			'validator' => '/^\d*$/',
187			'options' => [],
188			], [
189			'requestIsSuspicious' => false,
190			'request' => $requestFactory->createGet([]),
191			'selector' => '/_id$/', //All parameters with names matching a regex.
192			'validator' => '/^\d*$/',
193			'options' => [],
194			], [
195			'requestIsSuspicious' => false,
196			'request' => $requestFactory->createPost([]),
197			'selector' => '/_id$/', //All parameters with names matching a regex.
198			'validator' => '/^\d*$/',
199			'options' => [],
200			], [
201			'requestIsSuspicious' => false,
202			'request' => $requestFactory->createGet(['valid_id' => '123']),
203			'selector' => '/_id$/', //All parameters with names matching a regex.
204			'validator' => '/^\d*$/',
205			'options' => [],
206			], [
207			'requestIsSuspicious' => false,
208			'request' => $requestFactory->createPost(['valid_id' => '123']),
209			'selector' => '/_id$/', //All parameters with names matching a regex.
210			'validator' => '/^\d*$/',
211			'options' => [],
212			], [
213			'requestIsSuspicious' => false,
214			'request' => $requestFactory->createGet(['id' => ['123', '456']]), // As in `?id[]=123&id[]=456`
215			'selector' => ['id'], //Specific parameters.
216			'validator' => '/^\d*$/',
217			'options' => [],
218			], [
219			'requestIsSuspicious' => false,
220			'request' => $requestFactory->createPost(['id' => ['123', '456']]), // As in `?id[]=123&id[]=456`.
221			'selector' => ['id'], //Specific parameters.
222			'validator' => '/^\d*$/',
223			'options' => [],
224			], [
225			'requestIsSuspicious' => false,
226			'request' => $requestFactory->createGet(['valid_id' => ['123', '456']]), // As in `?id[]=123&id[]=456`.
227			'selector' => '/_id$/', //All parameters with names matching a regex.
228			'validator' => '/^\d*$/',
229			'options' => [],
230			], [
231			'requestIsSuspicious' => false,
232			'request' => $requestFactory->createPost(['valid_id' => ['123', '456']]), // As in `?id[]=123&id[]=456`.
233			'selector' => '/_id$/', //All parameters with names matching a regex.
234			'validator' => '/^\d*$/',
235			'options' => [],
236			], [
237			'requestIsSuspicious' => true,
238			'request' => $requestFactory->createGet(['id' => "71094'A=0"]),
239			'selector' => ['id'], //Specific parameters.
240			'validator' => '/^\d*$/',
241			'options' => [],
242			], [
243			'requestIsSuspicious' => true,
244			'request' => $requestFactory->createPost(['id' => "71094'A=0"]),
245			'selector' => ['id'], //Specific parameters.
246			'validator' => '/^\d*$/',
247			'options' => [],
248			], [
249			'requestIsSuspicious' => true,
250			'request' => $requestFactory->createGet(['invalid_id' => "71094'A=0"]),
251			'selector' => '/_id$/', //All parameters with names matching a regex.
252			'validator' => '/^\d*$/',
253			'options' => [],
254			], [
255			'requestIsSuspicious' => true,
256			'request' => $requestFactory->createPost(['invalid_id' => "71094'A=0"]),
257			'selector' => '/_id$/', //All parameters with names matching a regex.
258			'validator' => '/^\d*$/',
259			'options' => [],
260			], [
261			'requestIsSuspicious' => true,
262			'request' => $requestFactory->createGet(['id' => ['123', "71094'A=0"]]), // As in `?id[]=123&id[]=71094%27A%3D0`.
263			'selector' => ['id'], //Specific parameters.
264			'validator' => '/^\d*$/',
265			'options' => [],
266			], [
267			'requestIsSuspicious' => true,
268			'request' => $requestFactory->createPost(['id' => ['123', "71094'A=0"]]), // As in `?id[]=123&id[]=71094%27A%3D0`.
269			'selector' => ['id'], //Specific parameters.
270			'validator' => '/^\d*$/',
271			'options' => [],
272			], [
273			'requestIsSuspicious' => true,
274			'request' => $requestFactory->createGet(['invalid_id' => ['123', "71094'A=0"]]), // As in `?id[]=123&id[]=71094%27A%3D0`.
275			'selector' => '/_id$/', //All parameters with names matching a regex.
276			'validator' => '/^\d*$/',
277			'options' => [],
278			], [
279			'requestIsSuspicious' => true,
280			'request' => $requestFactory->createPost(['invalid_id' => ['123', "71094'A=0"]]), // As in `?id[]=123&id[]=71094%27A%3D0`.
281			'selector' => '/_id$/', //All parameters with names matching a regex.
282			'validator' => '/^\d*$/',
283			'options' => [],
284			], [
285			'requestIsSuspicious' => true,
286			'request' => $requestFactory->createGet(['array_of_valid_ids' => ['123']]), // As in `?array_of_valid_ids[]=123`.
287			'selector' => ['array_of_valid_ids'],
288			'validator' => '/^\d*$/',
289			'options' => ['type' => 'string'],
290			], [
291			'requestIsSuspicious' => true,
292			'request' => $requestFactory->createPost(['array_of_valid_ids' => ['123']]), // As in `?array_of_valid_ids[]=123`.
293			'selector' => ['array_of_valid_ids'],
294			'validator' => '/^\d*$/',
295			'options' => ['type' => 'string'],
296			]];
297
298			$getRequest = $requestFactory->createGet();
299			$getRequest->query->set('1564736436', ''); // The query string was `?1564736436=`
300
301			$argLists[] = [
302			'requestIsSuspicious' => false,
303			'request' => $getRequest,
304			'selector' => '/_id$/', // All parameters with names matching a regex
305			'validator' => '/^\d*$/',
306			'options' => [],
307			];
308
309			$postRequest = $requestFactory->createPost();
310			$postRequest->request->set('1564736436', ''); // The query string was `?1564736436=`
311
312			$argLists[] = [
313			'requestIsSuspicious' => false,
314			'request' => $postRequest,
315			'selector' => '/_id$/', // All parameters with names matching a regex
316			'validator' => '/^\d*$/',
317			'options' => [],
318			];
319
320			return $argLists;
321			}
322
323			/**
324			* @dataProvider providesRequestsContainingInvalidParameters
325			* @phpstan-param Selector $selector
326			* @phpstan-param AugmentedFilterOptions $options
327			*/
328			public function testInvokeReturnsTrueIfTheValueOfAParameterIsInvalid(
329			bool $requestIsSuspicious,
330			Request $request,
331			$selector,
332			string $validator,
333			array $options
334			): void {
335			$envelope = new Envelope($request, new NullLogger());
336			$filter = new InvalidParameterFilter($selector, $validator, $options);
337
338			$this->assertSame($requestIsSuspicious, $filter($envelope));
339			}
340
341			/** @return array<mixed[]> */
342			public function providesLogMessages(): array
343			{
344			$requestFactory = $this->getRequestFactory();
345
346			return [
347			[
348			'expectedMessage' => 'The value of `query.foo_id` failed validation using the regex `/^\d*$/`.',
349			'selector' => ['foo_id'],
350			'validator' => '/^\d*$/',
351			'options' => [],
352			'request' => $requestFactory->createGet(['foo_id' => 'bar']),
353			],
354			[
355			'expectedMessage' => 'The value of `request.foo_id` failed validation using the regex `/^\d*$/`.',
356			'selector' => ['foo_id'],
357			'validator' => '/^\d*$/',
358			'options' => [],
359			'request' => $requestFactory->createPost(['foo_id' => 'bar']),
360			],
361			[
362			'expectedMessage' => 'The value of `query.foo_id` failed validation using the regex `/^\d*$/`.',
363			'selector' => '/_id$/',
364			'validator' => '/^\d*$/',
365			'options' => [],
366			'request' => $requestFactory->createGet(['foo_id' => 'bar']),
367			],
368			[
369			'expectedMessage' => 'The value of `request.foo_id` failed validation using the regex `/^\d*$/`.',
370			'selector' => '/_id$/',
371			'validator' => '/^\d*$/',
372			'options' => [],
373			'request' => $requestFactory->createPost(['foo_id' => 'bar']),
374			],
375			[
376			'expectedMessage' => 'The value of `query.bar` failed validation using the regex `/^[a-z]+$/`.',
377			'selector' => ['bar'],
378			'validator' => '/^[a-z]+$/', //A different regex.
379			'options' => [],
380			'request' => $requestFactory->createGet(['bar' => 'BAZ']),
381			],
382			[
383			'expectedMessage' => 'The value of `request.bar` failed validation using the regex `/^[a-z]+$/`.',
384			'selector' => ['bar'],
385			'validator' => '/^[a-z]+$/', //A different regex.
386			'options' => [],
387			'request' => $requestFactory->createPost(['bar' => 'BAZ']),
388			],
389			[
390			'expectedMessage' => 'The value of `query.foo` is not of type `string`',
391			'selector' => ['foo'],
392			'validator' => 'ignored',
393			'options' => ['type' => 'string'],
394			'request' => $requestFactory->createGet(['foo' => ['bar', 'baz']]),
395			],
396			[
397			'expectedMessage' => 'The value of `request.foo` is not of type `string`',
398			'selector' => ['foo'],
399			'validator' => 'ignored',
400			'options' => ['type' => 'string'],
401			'request' => $requestFactory->createPost(['foo' => ['bar', 'baz']]),
402			],
403			[
404			'expectedMessage' => 'The value of `query.foo` is not of type `array`',
405			'selector' => ['foo'],
406			'validator' => 'ignored',
407			'options' => ['type' => 'array'],
408			'request' => $requestFactory->createGet(['foo' => 'bar']),
409			],
410			[
411			'expectedMessage' => 'The value of `request.foo` is not of type `array`',
412			'selector' => ['foo'],
413			'validator' => 'ignored',
414			'options' => ['type' => 'array'],
415			'request' => $requestFactory->createPost(['foo' => 'bar']),
416			],
417			];
418			}
419
420			/**
421			* @dataProvider providesLogMessages
422			* @phpstan-param Selector $selector
423			* @phpstan-param AugmentedFilterOptions $options
424			*/
425			public function testInvokeWillAddALogEntryIfTheRequestIsSuspicious(
426			string $expectedMessage,
427			$selector,
428			string $validator,
429			array $options,
430			Request $request
431			): void {
432			$envelope = new Envelope($request, new NullLogger());
433
434			$filterMock = $this
435			->getMockBuilder(InvalidParameterFilter::class)
436			->setConstructorArgs([
437			$selector,
438			$validator,
439			$options,
440			])
441			->onlyMethods(['envelopeAddLogEntry'])
442			->getMock()
443			;
444
445			$filterMock
446			->expects($this->once())
447			->method('envelopeAddLogEntry')
448			->with($envelope, $expectedMessage)
449			;
450
451			$this->assertTrue($filterMock($envelope));
452			}
453
454			/** @return array<mixed[]> */
455			public function providesTrustfulRequests(): array
456			{
457			$requestFactory = $this->getRequestFactory();
458
459			return [[
460			'selector' => ['foo_id'],
461			'validator' => '/^\d*$/',
462			'request' => $requestFactory->createGet(['foo_id' => '123']),
463			], [
464			'selector' => ['foo_id'],
465			'validator' => '/^\d*$/',
466			'request' => $requestFactory->createPost(['foo_id' => '123']),
467			], [
468			'selector' => '/_id$/',
469			'validator' => '/^\d*$/',
470			'request' => $requestFactory->createGet(['foo_id' => '123']),
471			], [
472			'selector' => '/_id$/',
473			'validator' => '/^\d*$/',
474			'request' => $requestFactory->createPost(['foo_id' => '123']),
475			]];
476			}
477
478			/**
479			* @dataProvider providesTrustfulRequests
480			* @phpstan-param Selector $selector
481			*/
482			public function testInvokeWillNotAddALogEntryIfTheRequestIsNotSuspicious(
483			$selector,
484			string $validator,
485			Request $request
486			): void {
487			$envelope = new Envelope($request, new NullLogger());
488
489			$filterMock = $this
490			->getMockBuilder(InvalidParameterFilter::class)
491			->setConstructorArgs([
492			$selector,
493			$validator,
494			])
495			->onlyMethods(['envelopeAddLogEntry'])
496			->getMock()
497			;
498
499			$filterMock
500			->expects($this->never())
501			->method('envelopeAddLogEntry')
502			;
503
504			$this->assertFalse($filterMock($envelope));
505			}
506			}
507

danbettles / defence

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InvalidParameterFilterTest::testIsAFilter() A

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