WebRequestTest.php

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<?php

class WebRequestTest extends MediaWikiTestCase {
        static $oldServer;

        function setUp() {
                self::$oldServer = $_SERVER;
        }

        function tearDown() {
                $_SERVER = self::$oldServer;
        }

        function testDetectServer( $expected, $input, $description ) {
                $_SERVER = $input;
                $result = WebRequest::detectServer();
                $this->assertEquals( $expected, $result, $description );
        }

        function provideDetectServer() {
                return array(
                        array(
                                'http://x',
                                array(
                                        'HTTP_HOST' => 'x'
                                ),
                                'Host header'
                        ),
                        array(
                                'https://x',
                                array(
                                        'HTTP_HOST' => 'x',
                                        'HTTPS' => 'on',
                                ),
                                'Host header with secure'
                        ),
                        array(
                                'http://x',
                                array(
                                        'HTTP_HOST' => 'x',
                                        'SERVER_PORT' => 80,
                                ),
                                'Default SERVER_PORT',
                        ),
                        array(
                                'http://x',
                                array(
                                        'HTTP_HOST' => 'x',
                                        'HTTPS' => 'off',
                                ),
                                'Secure off'
                        ),
                        array(
                                'http://y',
                                array(
                                        'SERVER_NAME' => 'y',
                                ),
                                'Server name'
                        ),
                        array(
                                'http://x',
                                array(
                                        'HTTP_HOST' => 'x',
                                        'SERVER_NAME' => 'y',
                                ),
                                'Host server name precedence'
                        ),
                        array(
                                'http://[::1]:81',
                                array(
                                        'HTTP_HOST' => '[::1]',
                                        'SERVER_NAME' => '::1',
                                        'SERVER_PORT' => '81',
                                ),
                                'Apache bug 26005'
                        ),
                        array(
                                'http://localhost',
                                array(
                                        'SERVER_NAME' => '[2001'
                                ),
                                'Kind of like lighttpd per commit message in MW r83847',
                        ),
                        array(
                                'http://[2a01:e35:2eb4:1::2]:777',
                                array(
                                        'SERVER_NAME' => '[2a01:e35:2eb4:1::2]:777'
                                ),
                                'Possible lighttpd environment per bug 14977 comment 13',
                        ),
                );
        }

        function testGetIP( $expected, $input, $squid, $private, $description ) {
                global $wgSquidServersNoPurge, $wgUsePrivateIPs;
                $_SERVER = $input;
                $wgSquidServersNoPurge = $squid;
                $wgUsePrivateIPs = $private;
                $request = new WebRequest();
                $result = $request->getIP();
                $this->assertEquals( $expected, $result, $description );
        }

        function provideGetIP() {
                return array(
                        array(
                                '127.0.0.1',
                                array(
                                        'REMOTE_ADDR' => '127.0.0.1'
                                ),
                                array(),
                                false,
                                'Simple IPv4'
                        ),
                        array(
                                '::1',
                                array(
                                        'REMOTE_ADDR' => '::1'
                                ),
                                array(),
                                false,
                                'Simple IPv6'
                        ),
                        array(
                                '12.0.0.3',
                                array(
                                        'REMOTE_ADDR' => '12.0.0.1',
                                        'HTTP_X_FORWARDED_FOR' => '12.0.0.3, 12.0.0.2'
                                ),
                                array( '12.0.0.1', '12.0.0.2' ),
                                false,
                                'With X-Forwaded-For'
                        ),
                        array(
                                '12.0.0.1',
                                array(
                                        'REMOTE_ADDR' => '12.0.0.1',
                                        'HTTP_X_FORWARDED_FOR' => '12.0.0.3, 12.0.0.2'
                                ),
                                array(),
                                false,
                                'With X-Forwaded-For and disallowed server'
                        ),
                        array(
                                '12.0.0.2',
                                array(
                                        'REMOTE_ADDR' => '12.0.0.1',
                                        'HTTP_X_FORWARDED_FOR' => '12.0.0.3, 12.0.0.2'
                                ),
                                array( '12.0.0.1' ),
                                false,
                                'With multiple X-Forwaded-For and only one allowed server'
                        ),
                        array(
                                '12.0.0.2',
                                array(
                                        'REMOTE_ADDR' => '12.0.0.2',
                                        'HTTP_X_FORWARDED_FOR' => '10.0.0.3, 12.0.0.2'
                                ),
                                array( '12.0.0.1', '12.0.0.2' ),
                                false,
                                'With X-Forwaded-For and private IP'
                        ),
                        array(
                                '10.0.0.3',
                                array(
                                        'REMOTE_ADDR' => '12.0.0.2',
                                        'HTTP_X_FORWARDED_FOR' => '10.0.0.3, 12.0.0.2'
                                ),
                                array( '12.0.0.1', '12.0.0.2' ),
                                true,
                                'With X-Forwaded-For and private IP (allowed)'
                        ),
                );
        }

        function testGetIpLackOfRemoteAddrThrowAnException() {
                $request = new WebRequest();
                # Next call throw an exception about lacking an IP
                $request->getIP();
        }

        function languageProvider() {
                return array(
                        array( '', array(), 'Empty Accept-Language header' ),
                        array( 'en', array( 'en' => 1 ), 'One language' ),
                        array( 'en, ar', array( 'en' => 1, 'ar' => 1 ), 'Two languages listed in appearance order.' ),
                        array( 'zh-cn,zh-tw', array( 'zh-cn' => 1, 'zh-tw' => 1 ), 'Two equally prefered languages, listed in appearance order per rfc3282. Checks c9119' ),
                        array( 'es, en; q=0.5', array( 'es' => 1, 'en' => '0.5' ), 'Spanish as first language and English and second' ),
                        array( 'en; q=0.5, es', array( 'es' => 1, 'en' => '0.5' ), 'Less prefered language first' ),
                        array( 'fr, en; q=0.5, es', array( 'fr' => 1, 'es' => 1, 'en' => '0.5' ), 'Three languages' ),
                        array( 'en; q=0.5, es', array( 'es' => 1, 'en' => '0.5' ), 'Two languages' ),
                        array( 'en, zh;q=0', array( 'en' => 1 ), "It's Chinese to me" ),
                        array( 'es; q=1, pt;q=0.7, it; q=0.6, de; q=0.1, ru;q=0', array( 'es' => '1', 'pt' => '0.7', 'it' => '0.6', 'de' => '0.1' ), 'Preference for romance languages' ),
                        array( 'en-gb, en-us; q=1', array( 'en-gb' => 1, 'en-us' => '1' ), 'Two equally prefered English variants' ),
                );
        }

        function testAcceptLang($acceptLanguageHeader, $expectedLanguages, $description) {
                $_SERVER = array( 'HTTP_ACCEPT_LANGUAGE' => $acceptLanguageHeader );
                $request = new WebRequest();
                $this->assertSame( $request->getAcceptLang(), $expectedLanguages, $description);
        }
}