Completed
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by Joschi
03:01
created

HmacValidatorTest::getArmorParams()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 13

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 13
rs 9.8333
c 0
b 0
f 0
cc 2
nc 2
nop 1
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<?php
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/**
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 * antibot
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 *
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 * @category   Jkphl
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 * @package    Jkphl\Antibot
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 * @subpackage Jkphl\Antibot\Tests\Ports
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 * @author     Joschi Kuphal <[email protected]> / @jkphl
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 * @copyright  Copyright © 2018 Joschi Kuphal <[email protected]> / @jkphl
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 * @license    http://opensource.org/licenses/MIT The MIT License (MIT)
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 */
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/***********************************************************************************
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 *  The MIT License (MIT)
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 *
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 *  Copyright © 2018 Joschi Kuphal <[email protected]>
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 *
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 *  Permission is hereby granted, free of charge, to any person obtaining a copy of
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 *  this software and associated documentation files (the "Software"), to deal in
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 *  the Software without restriction, including without limitation the rights to
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 *  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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 *  the Software, and to permit persons to whom the Software is furnished to do so,
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 *  subject to the following conditions:
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 *
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 *  The above copyright notice and this permission notice shall be included in all
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 *  copies or substantial portions of the Software.
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 *
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 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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 *  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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 *  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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 *  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 ***********************************************************************************/
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namespace Jkphl\Antibot\Tests\Ports;
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use Jkphl\Antibot\Infrastructure\Exceptions\HmacValidationException;
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use Jkphl\Antibot\Infrastructure\Model\InputElement;
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use Jkphl\Antibot\Ports\Validators\HmacValidator;
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use Jkphl\Antibot\Tests\AbstractTestBase;
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/**
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 * HMAC Validator Test
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 *
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 * @package    Jkphl\Antibot
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 * @subpackage Jkphl\Antibot\Tests\Ports
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 */
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class HmacValidatorTest extends AbstractTestBase
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{
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    /**
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     * Protected function test the general HMAC validation
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     *
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     */
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    public function testGeneralValidation(): void
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    {
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        $session       = md5(rand());
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        $antibot       = $this->createAntibot($session);
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        $hmacValidator = new HmacValidator();
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        $antibot->addValidator($hmacValidator);
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        // Run a first validation: Should be skipped
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        $request1         = $this->createRequest(['REQUEST_METHOD' => 'GET', 'REMOTE_ADDR' => '1.2.3.4']);
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        $validationResult = $antibot->validate($request1);
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        $this->assertFalse($validationResult->isValid());
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        $this->assertFalse($validationResult->isFailed());
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        $this->assertTrue($validationResult->isSkipped());
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        // Arm & run a second request: Should succeed
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        $armor            = $antibot->armorInputs($request1);
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        $post             = $this->getArmorParams($armor);
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        $request2         = $this->createRequest(['REQUEST_METHOD' => 'GET', 'REMOTE_ADDR' => '1.2.3.4'], [], $post);
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        $validationResult = $antibot->validate($request2);
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        $this->assertTrue($validationResult->isValid());
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    }
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    /**
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     * Protected function test the HMAC request method order validation
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     */
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    public function testRequestMethodOrderValidation(): void
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    {
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        $session       = md5(rand());
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        $antibot       = $this->createAntibot($session);
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        $hmacValidator = new HmacValidator();
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        $hmacValidator->setMethodVector(HmacValidator::METHOD_GET, HmacValidator::METHOD_POST);
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        $antibot->addValidator($hmacValidator);
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        $request1 = $this->createRequest(['REQUEST_METHOD' => 'GET', 'REMOTE_ADDR' => '1.2.3.4']);
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        $armor    = $antibot->armorInputs($request1);
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        $post     = $this->getArmorParams($armor);
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        // Second request
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        $request2         = $this->createRequest(['REQUEST_METHOD' => 'POST', 'REMOTE_ADDR' => '1.2.3.4'], [], $post);
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        $validationResult = $antibot->validate($request2);
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        $this->assertTrue($validationResult->isValid());
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        // Third request using the wrong request method
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        $request3         = $this->createRequest(['REQUEST_METHOD' => 'GET', 'REMOTE_ADDR' => '1.2.3.4'], [], $post);
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        $validationResult = $antibot->validate($request3);
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        $this->assertFalse($validationResult->isValid());
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        $this->assertTrue($validationResult->hasErrors());
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        $errors = $validationResult->getErrors();
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        $this->assertEquals(1, count($errors));
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        $this->assertInstanceOf(HmacValidationException::class, $errors[0]);
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        $this->assertEquals(1544292604, $errors[0]->getCode());
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    }
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    /**
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     * Protected function test the HMAC request timing validation
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     */
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    public function testRequestTimingValidation(): void
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    {
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        $session       = md5(rand());
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        $antibot       = $this->createAntibot($session);
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        $hmacValidator = new HmacValidator();
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        $hmacValidator->setSubmissionTimes(10, 5, 1);
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        $antibot->addValidator($hmacValidator);
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        $request1 = $this->createRequest(['REQUEST_METHOD' => 'GET', 'REMOTE_ADDR' => '1.2.3.4']);
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        $this->assertTrue($antibot->validate($request1)->isSkipped());
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        // Create the armor for a second request, including submission time limits
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        $armor = $antibot->armorInputs($request1);
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        $post  = $this->getArmorParams($armor);
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        // A second call after only 1 second should fail validation
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        sleep(1);
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        $request2         = $this->createRequest(['REQUEST_METHOD' => 'POST', 'REMOTE_ADDR' => '1.2.3.4'], [], $post);
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        $validationResult = $antibot->validate($request2);
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        $this->assertTrue($validationResult->isFailed());
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        // Waiting for 4 more seconds should succeed
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        sleep(5);
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        $request3         = $this->createRequest(['REQUEST_METHOD' => 'POST', 'REMOTE_ADDR' => '1.2.3.4'], [], $post);
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        $validationResult = $antibot->validate($request3);
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        $this->assertTrue($validationResult->isValid());
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        // Rearm, wait for 1 second and retry: Should succeed as it's a follow-up request
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        $armor = $antibot->armorInputs($request3);
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        $post  = $this->getArmorParams($armor);
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        sleep(1);
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        $request4         = $this->createRequest(['REQUEST_METHOD' => 'POST', 'REMOTE_ADDR' => '1.2.3.4'], [], $post);
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        $validationResult = $antibot->validate($request4);
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        $this->assertTrue($validationResult->isValid());
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        // Wait for another 10 seconds and retry: Should fail as it exceeded the maximum time
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        sleep(10);
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        $request5         = $this->createRequest(['REQUEST_METHOD' => 'POST', 'REMOTE_ADDR' => '1.2.3.4'], [], $post);
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        $validationResult = $antibot->validate($request5);
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        $this->assertTrue($validationResult->isFailed());
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        $this->assertTrue($validationResult->hasErrors());
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        $errors = $validationResult->getErrors();
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        $this->assertEquals(1, count($errors));
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        $this->assertInstanceOf(HmacValidationException::class, $errors[0]);
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        $this->assertEquals(1544292684, $errors[0]->getCode());
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    }
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    /**
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     * Test the armoring
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     */
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    public function testArmor(): void
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    {
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        $sessionId     = md5(rand());
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        $antibot       = $this->createAntibot($sessionId);
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        $request       = $this->createRequest(
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            ['REQUEST_METHOD' => 'GET', 'REMOTE_ADDR' => '1.2.3.4'],
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            ['name' => 'John Doe', 'email' => '[email protected]']
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        );
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        $hmacValidator = new HmacValidator();
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        $hmacValidator->setMethodVector(HmacValidator::METHOD_GET, HmacValidator::METHOD_POST);
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        $hmacValidator->setSubmissionTimes(1800, 10, 3);
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        $antibot->addValidator($hmacValidator);
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        $armor = $antibot->armorInputs($request);
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        $this->assertTrue(is_array($armor));
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        $this->assertEquals(2, count($armor));
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        $this->assertEquals(40, strlen($armor[0]->getAttributes()['value']));
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        $this->assertTrue(is_int($armor[1]->getAttributes()['value']));
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    }
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}
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