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<?php |
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/* |
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The MIT License (MIT) |
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Copyright (c) 2015 Vectorface, Inc. |
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Permission is hereby granted, free of charge, to any person obtaining a copy |
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of this software and associated documentation files (the "Software"), to deal |
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in the Software without restriction, including without limitation the rights |
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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copies of the Software, and to permit persons to whom the Software is |
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furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included in |
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all copies or substantial portions of the Software. |
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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, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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THE SOFTWARE. |
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*/ |
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namespace Vectorface\WhipTests; |
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use PHPUnit_Framework_TestCase; |
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use Vectorface\Whip\Whip; |
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use Vectorface\Whip\IpRange\IpWhitelist; |
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use Psr\Http\Message\ServerRequestInterface; |
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/** |
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* Test class for testing Whip. |
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* @backupGlobals enabled |
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* @copyright Vectorface, Inc 2015 |
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* @author Daniel Bruce <[email protected]> |
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*/ |
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class WhipTest extends PHPUnit_Framework_TestCase |
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{ |
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/** |
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* Tests that an invalid source format is rejected. |
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* @expectedException \InvalidArgumentException |
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*/ |
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public function testInvalidSource() |
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{ |
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new Whip(Whip::REMOTE_ADDR, array(), new \stdClass()); |
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} |
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/** |
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* Tests that we get back the right IP when there using superglobals. |
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*/ |
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public function testSuperglobal() |
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{ |
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$_SERVER = array('REMOTE_ADDR' => '24.24.24.24'); |
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$lookup = new Whip(Whip::REMOTE_ADDR); |
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$this->assertEquals('24.24.24.24', $lookup->getValidIpAddress()); |
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} |
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/** |
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* Tests that we get back 127.0.0.1 when there is no superglobal information |
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* at all. |
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*/ |
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public function testEmptySuperglobal() |
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{ |
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$_SERVER = array(); |
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$lookup = new Whip(); |
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$this->assertFalse($lookup->getIpAddress()); |
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} |
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/** |
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* Helper to get a mocked PSR-7 instance. |
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* |
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* @param string $remoteAddr The remote address to mock. |
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* @param string[][] $headers The headers, in the format expected by Psr-7. |
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*/ |
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private function getHttpMessageMock($remoteAddr, array $headers = array()) |
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{ |
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$stub = $this->getMockBuilder("Psr\Http\Message\ServerRequestInterface") |
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->getMock(); |
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$stub->method('getServerParams') |
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->willReturn(array('REMOTE_ADDR' => $remoteAddr)); |
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$stub->method('getHeaders') |
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->willReturn($headers); |
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return $stub; |
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} |
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/** |
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* Tests that we can use a PSR-7 ServerRequestInterface compatible class. |
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*/ |
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public function testPsr7Request() |
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{ |
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$lookup = new Whip( |
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Whip::PROXY_HEADERS, |
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array( |
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Whip::PROXY_HEADERS => array( |
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IpWhitelist::IPV4 => array( |
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'127.0.0.1' |
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) |
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) |
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), |
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$this->getHttpMessageMock("127.0.0.1", array('X-Forwarded-For' => array('192.168.1.1,32.32.32.32'))) |
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); |
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$this->assertEquals('32.32.32.32', $lookup->getIpAddress()); |
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} |
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/** |
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* Tests that we get false when no valid IP address could be found. |
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*/ |
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public function testNoAddresFoundDueToBitmask() |
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{ |
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$lookup = new Whip(Whip::PROXY_HEADERS); |
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$lookup->setSource(array('REMOTE_ADDR' => '127.0.0.1')); |
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$this->assertFalse($lookup->getIpAddress()); |
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} |
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/** |
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* Tests the standard REMOTE_ADDR method. |
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*/ |
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public function testRemoteAddrMethod() |
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{ |
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$lookup = new Whip(Whip::REMOTE_ADDR); |
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$lookup->setSource(array('REMOTE_ADDR' => '24.24.24.24')); |
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$this->assertEquals('24.24.24.24', $lookup->getValidIpAddress()); |
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} |
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/** |
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* Tests that an invalid IPv4 address returns false. |
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*/ |
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public function testInvalidIPv4Address() |
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{ |
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$lookup = new Whip(Whip::REMOTE_ADDR); |
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$lookup->setSource(array('REMOTE_ADDR' => '127.0.0.256')); |
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$this->assertFalse($lookup->getValidIpAddress()); |
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} |
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/** |
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* Tests a valid IPv6 address. |
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*/ |
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public function testValidIPv6Address() |
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{ |
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$lookup = new Whip(Whip::REMOTE_ADDR); |
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$lookup->setSource(array('REMOTE_ADDR' => '::1')); |
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$this->assertEquals('::1', $lookup->getValidIpAddress()); |
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} |
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/** |
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* Tests that we accept whitelisted proxy methods when the IP matches, even |
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* if the IP listed is a comma separated list. |
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* |
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* @dataProvider proxyMethodWhitelistProvider |
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*/ |
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View Code Duplication |
public function testValidWhitelistedProxyMethod($remoteAddr) |
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{ |
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$lookup = new Whip( |
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Whip::PROXY_HEADERS, |
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array( |
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Whip::PROXY_HEADERS => array( |
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IpWhitelist::IPV4 => array('127.0.0.1'), |
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IpWhitelist::IPV6 => array('::1') |
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) |
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), |
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array( |
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'REMOTE_ADDR' => $remoteAddr, |
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'HTTP_X_FORWARDED_FOR' => '192.168.1.1,32.32.32.32' |
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) |
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); |
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$this->assertEquals('32.32.32.32', $lookup->getIpAddress()); |
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} |
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/** |
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* Repeats the above test twice for ipv4 and ipv6 |
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*/ |
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public function proxyMethodWhitelistProvider() |
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{ |
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return array( |
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array('127.0.0.1'), |
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array('::1'), |
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); |
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} |
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/** |
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* Tests that we accept proxy method based on a whitelisted IP using the |
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* dashed range notation. |
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*/ |
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View Code Duplication |
public function testValidWhitelistedProxyMethodWithDashNotation() |
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{ |
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$lookup = new Whip( |
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Whip::PROXY_HEADERS, |
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array( |
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Whip::PROXY_HEADERS => array( |
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IpWhitelist::IPV4 => array( |
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'127.0.0.0-127.0.255.255', |
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), |
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IpWhitelist::IPV6 => array( |
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'::1' |
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) |
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) |
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), |
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array( |
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'REMOTE_ADDR' => '127.0.0.1', |
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'HTTP_X_FORWARDED_FOR' => '32.32.32.32' |
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) |
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); |
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$this->assertEquals('32.32.32.32', $lookup->getIpAddress()); |
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} |
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/** |
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* Tests that we accept proxy method based on a whitelisted IP using the |
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* wildcard asterix notation. |
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*/ |
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View Code Duplication |
public function testValidWhitelistedProxyMethodWithWildcardNotation() |
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{ |
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$lookup = new Whip( |
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Whip::PROXY_HEADERS, |
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array( |
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Whip::PROXY_HEADERS => array( |
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IpWhitelist::IPV4 => array( |
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'127.0.*' |
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), |
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IpWhitelist::IPV6 => array( |
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'::1' |
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) |
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) |
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), |
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array( |
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'REMOTE_ADDR' => '127.0.0.1', |
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'HTTP_X_FORWARDED_FOR' => '32.32.32.32' |
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) |
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); |
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$this->assertEquals('32.32.32.32', $lookup->getIpAddress()); |
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} |
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/** |
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* Tests that we accept proxy method based on a whitelisted IP using the |
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* CIDR address notation. |
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*/ |
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View Code Duplication |
public function testValidWhitelistedProxyMethodWithCIDRdNotation() |
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{ |
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$lookup = new Whip( |
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Whip::PROXY_HEADERS, |
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array( |
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Whip::PROXY_HEADERS => array( |
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IpWhitelist::IPV4 => array( |
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'127.0.0.0/24' |
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), |
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IpWhitelist::IPV6 => array( |
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'::1' |
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) |
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) |
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), |
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array( |
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'REMOTE_ADDR' => '127.0.0.1', |
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'HTTP_X_FORWARDED_FOR' => '32.32.32.32' |
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) |
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); |
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$this->assertEquals('32.32.32.32', $lookup->getIpAddress()); |
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} |
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/** |
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* Tests that we get false if there is a valid IP in a proxy header but |
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* we reject it due to REMOTE_ADDR not being in the whitelist. |
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*/ |
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View Code Duplication |
public function testValidIpRejectedDueToWhitelist() |
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{ |
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$lookup = new Whip( |
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Whip::PROXY_HEADERS, |
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array( |
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Whip::PROXY_HEADERS => array( |
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IpWhitelist::IPV4 => array( |
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'127.0.0.1/24' |
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), |
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IpWhitelist::IPV6 => array( |
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'::1' |
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) |
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) |
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), |
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array( |
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'REMOTE_ADDR' => '24.24.24.24', |
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'HTTP_X_FORWARDED_FOR' => '32.32.32.32' |
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) |
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); |
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$this->assertFalse($lookup->getIpAddress()); |
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} |
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/** |
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* Tests that we reject a proxy listed IPv6 address that does not fall within |
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* the allowed subnet. |
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*/ |
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public function testIPv6AddressRejectedDueToWhitelist() |
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{ |
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$lookup = new Whip( |
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Whip::PROXY_HEADERS, |
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array( |
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Whip::PROXY_HEADERS => array( |
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IpWhitelist::IPV6 => array( |
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'2400:cb00::/32' |
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) |
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) |
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), |
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array( |
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'REMOTE_ADDR' => '::1', |
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'HTTP_X_FORWARDED_FOR' => '::1' |
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) |
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); |
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$this->assertFalse($lookup->getIpAddress()); |
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} |
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/** |
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* Tests that we reject a proxy listed IPv6 address that does not fall within |
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* the allowed subnet. |
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*/ |
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public function testIPv6AddressFoundInWhitelist() |
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{ |
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$lookup = new Whip( |
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Whip::PROXY_HEADERS, |
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array( |
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Whip::PROXY_HEADERS => array( |
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IpWhitelist::IPV6 => array( |
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'::1/32' |
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) |
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) |
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), |
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array( |
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'REMOTE_ADDR' => '::1', |
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'HTTP_X_FORWARDED_FOR' => '::1' |
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) |
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); |
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$this->assertEquals('::1', $lookup->getIpAddress()); |
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} |
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/** |
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* Test that an IPv4 address is rejected because the whitelist is empty for |
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* IPv4. |
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*/ |
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public function testIPv4AddressRejectedDueToEmptyWhitelist() |
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{ |
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$lookup = new Whip( |
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Whip::PROXY_HEADERS, |
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array( |
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Whip::PROXY_HEADERS => array( |
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IpWhitelist::IPV6 => array( |
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'::1/32' |
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) |
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) |
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), |
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array( |
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'REMOTE_ADDR' => '127.0.0.1', |
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'HTTP_X_FORWARDED_FOR' => '24.24.24.24' |
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) |
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); |
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$this->assertFalse($lookup->getIpAddress()); |
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} |
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/** |
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* Test that an IPv6 address is rejected because the whitelist is empty for |
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* IPv6. |
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*/ |
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public function testIPv6AddressRejectedDueToEmptyWhitelist() |
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{ |
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$lookup = new Whip( |
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Whip::PROXY_HEADERS, |
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array( |
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Whip::PROXY_HEADERS => array( |
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IpWhitelist::IPV4 => array( |
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'127.0.0.0/24' |
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) |
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) |
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), |
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array( |
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|
'REMOTE_ADDR' => '::1', |
372
|
|
|
'HTTP_X_FORWARDED_FOR' => '::1' |
373
|
|
|
) |
374
|
|
|
); |
375
|
|
|
$this->assertFalse($lookup->getIpAddress()); |
376
|
|
|
} |
377
|
|
|
|
378
|
|
|
/** |
379
|
|
|
* Test a custom header with a whitelisted IP. |
380
|
|
|
*/ |
381
|
|
View Code Duplication |
public function testCustomHeader() |
|
|
|
|
382
|
|
|
{ |
383
|
|
|
$lookup = new Whip( |
384
|
|
|
Whip::CUSTOM_HEADERS | Whip::REMOTE_ADDR, |
385
|
|
|
array( |
386
|
|
|
Whip::CUSTOM_HEADERS => array( |
387
|
|
|
IpWhitelist::IPV4 => array( |
388
|
|
|
'127.0.0.1', |
389
|
|
|
'::1' |
390
|
|
|
) |
391
|
|
|
) |
392
|
|
|
), |
393
|
|
|
array( |
394
|
|
|
'REMOTE_ADDR' => '127.0.0.1', |
395
|
|
|
'HTTP_CUSTOM_SECRET_HEADER' => '32.32.32.32' |
396
|
|
|
) |
397
|
|
|
); |
398
|
|
|
$this->assertEquals( |
399
|
|
|
'32.32.32.32', |
400
|
|
|
$lookup->addCustomHeader('HTTP_CUSTOM_SECRET_HEADER')->getIpAddress() |
401
|
|
|
); |
402
|
|
|
} |
403
|
|
|
|
404
|
|
|
/** |
405
|
|
|
* Test HTTP_X_REAL_IP header. |
406
|
|
|
*/ |
407
|
|
|
public function testHttpXRealIpHeader() |
408
|
|
|
{ |
409
|
|
|
$lookup = new Whip( |
410
|
|
|
Whip::PROXY_HEADERS | Whip::REMOTE_ADDR, |
411
|
|
|
array(), |
412
|
|
|
array( |
413
|
|
|
'REMOTE_ADDR' => '127.0.0.1', |
414
|
|
|
'HTTP_X_REAL_IP' => '24.24.24.24' |
415
|
|
|
) |
416
|
|
|
); |
417
|
|
|
$this->assertEquals('24.24.24.24', $lookup->getIpAddress()); |
418
|
|
|
} |
419
|
|
|
|
420
|
|
|
/** |
421
|
|
|
* Tests that if we specify the source array, it overrides any values found |
422
|
|
|
* in the $_SERVER array. |
423
|
|
|
*/ |
424
|
|
View Code Duplication |
public function testSourceArrayOverridesServerSuperglobal() |
|
|
|
|
425
|
|
|
{ |
426
|
|
|
$source = array( |
427
|
|
|
'REMOTE_ADDR' => '24.24.24.24' |
428
|
|
|
); |
429
|
|
|
$lookup = new Whip(Whip::REMOTE_ADDR, array(), array('REMOTE_ADDR' => '127.0.0.1')); |
430
|
|
|
$this->assertNotEquals($source['REMOTE_ADDR'], $lookup->getIpAddress()); |
431
|
|
|
$this->assertEquals($source['REMOTE_ADDR'], $lookup->getIpAddress($source)); |
432
|
|
|
} |
433
|
|
|
|
434
|
|
|
/** |
435
|
|
|
* Tests that if we specify the source array through Whip::setSource, the |
436
|
|
|
* class will override any values found in $_SERVER. |
437
|
|
|
*/ |
438
|
|
View Code Duplication |
public function testSetSourceArrayOverridesServerSuperglobal() |
|
|
|
|
439
|
|
|
{ |
440
|
|
|
$source = array( |
441
|
|
|
'REMOTE_ADDR' => '24.24.24.24' |
442
|
|
|
); |
443
|
|
|
$lookup = new Whip(Whip::REMOTE_ADDR, array(), array('REMOTE_ADDR' => '127.0.0.1')); |
444
|
|
|
$this->assertNotEquals($source['REMOTE_ADDR'], $lookup->getIpAddress()); |
445
|
|
|
$lookup->setSource($source); |
446
|
|
|
$this->assertEquals($source['REMOTE_ADDR'], $lookup->getIpAddress()); |
447
|
|
|
} |
448
|
|
|
} |
449
|
|
|
|
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: