ApiMainTest.php

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<?php

class ApiMainTest extends ApiTestCase {

    public function testApi() {
        $api = new ApiMain(
            new FauxRequest( [ 'action' => 'query', 'meta' => 'siteinfo' ] )
        );
        $api->execute();
        $data = $api->getResult()->getResultData();
        $this->assertInternalType( 'array', $data );
        $this->assertArrayHasKey( 'query', $data );
    }

    public static function provideAssert() {
        return [
            [ false, [], 'user', 'assertuserfailed' ],
            [ true, [], 'user', false ],
            [ true, [], 'bot', 'assertbotfailed' ],
            [ true, [ 'bot' ], 'user', false ],
            [ true, [ 'bot' ], 'bot', false ],
        ];
    }

    public function testAssert( $registered, $rights, $assert, $error ) {
        $user = new User();
        if ( $registered ) {
            $user->setId( 1 );
        }
        $user->mRights = $rights;
        try {
            $this->doApiRequest( [
                'action' => 'query',
                'assert' => $assert,
            ], null, null, $user );
            $this->assertFalse( $error ); // That no error was expected
        } catch ( UsageException $e ) {
            $this->assertEquals( $e->getCodeString(), $error );
        }
    }

    public function testClassNamesInModuleManager() {
        global $wgAutoloadLocalClasses, $wgAutoloadClasses;

        // wgAutoloadLocalClasses has precedence, just like in includes/AutoLoader.php
        $classes = $wgAutoloadLocalClasses + $wgAutoloadClasses;

        $api = new ApiMain(
            new FauxRequest( [ 'action' => 'query', 'meta' => 'siteinfo' ] )
        );
        $modules = $api->getModuleManager()->getNamesWithClasses();
        foreach ( $modules as $name => $class ) {
            $this->assertArrayHasKey(
                $class,
                $classes,
                'Class ' . $class . ' for api module ' . $name . ' not in autoloader (with exact case)'
            );
        }
    }

    public function testCheckConditionalRequestHeaders(
        $headers, $conditions, $status, $post = false
    ) {
        $request = new FauxRequest( [ 'action' => 'query', 'meta' => 'siteinfo' ], $post );
        $request->setHeaders( $headers );
        $request->response()->statusHeader( 200 ); // Why doesn't it default?

        $context = $this->apiContext->newTestContext( $request, null );
        $api = new ApiMain( $context );
        $priv = TestingAccessWrapper::newFromObject( $api );
        $priv->mInternalMode = false;

        $module = $this->getMockBuilder( 'ApiBase' )
            ->setConstructorArgs( [ $api, 'mock' ] )
            ->setMethods( [ 'getConditionalRequestData' ] )
            ->getMockForAbstractClass();
        $module->expects( $this->any() )
            ->method( 'getConditionalRequestData' )
            ->will( $this->returnCallback( function ( $condition ) use ( $conditions ) {
                return isset( $conditions[$condition] ) ? $conditions[$condition] : null;
            } ) );

        $ret = $priv->checkConditionalRequestHeaders( $module );

        $this->assertSame( $status, $request->response()->getStatusCode() );
        $this->assertSame( $status === 200, $ret );
    }

    public static function provideCheckConditionalRequestHeaders() {
        $now = time();

        return [
            // Non-existing from module is ignored
            [ [ 'If-None-Match' => '"foo", "bar"' ], [], 200 ],
            [ [ 'If-Modified-Since' => 'Tue, 18 Aug 2015 00:00:00 GMT' ], [], 200 ],

            // No headers
            [
                [],
                [
                    'etag' => '""',
                    'last-modified' => '20150815000000',
                ],
                200
            ],

            // Basic If-None-Match
            [ [ 'If-None-Match' => '"foo", "bar"' ], [ 'etag' => '"bar"' ], 304 ],
            [ [ 'If-None-Match' => '"foo", "bar"' ], [ 'etag' => '"baz"' ], 200 ],
            [ [ 'If-None-Match' => '"foo"' ], [ 'etag' => 'W/"foo"' ], 304 ],
            [ [ 'If-None-Match' => 'W/"foo"' ], [ 'etag' => '"foo"' ], 304 ],
            [ [ 'If-None-Match' => 'W/"foo"' ], [ 'etag' => 'W/"foo"' ], 304 ],

            // Pointless, but supported
            [ [ 'If-None-Match' => '*' ], [], 304 ],

            // Basic If-Modified-Since
            [ [ 'If-Modified-Since' => wfTimestamp( TS_RFC2822, $now ) ],
                [ 'last-modified' => wfTimestamp( TS_MW, $now - 1 ) ], 304 ],
            [ [ 'If-Modified-Since' => wfTimestamp( TS_RFC2822, $now ) ],
                [ 'last-modified' => wfTimestamp( TS_MW, $now ) ], 304 ],
            [ [ 'If-Modified-Since' => wfTimestamp( TS_RFC2822, $now ) ],
                [ 'last-modified' => wfTimestamp( TS_MW, $now + 1 ) ], 200 ],

            // If-Modified-Since ignored when If-None-Match is given too
            [ [ 'If-None-Match' => '""', 'If-Modified-Since' => wfTimestamp( TS_RFC2822, $now ) ],
                [ 'etag' => '"x"', 'last-modified' => wfTimestamp( TS_MW, $now - 1 ) ], 200 ],
            [ [ 'If-None-Match' => '""', 'If-Modified-Since' => wfTimestamp( TS_RFC2822, $now ) ],
                [ 'last-modified' => wfTimestamp( TS_MW, $now - 1 ) ], 304 ],

            // Ignored for POST
            [ [ 'If-None-Match' => '"foo", "bar"' ], [ 'etag' => '"bar"' ], 200, true ],
            [ [ 'If-Modified-Since' => wfTimestamp( TS_RFC2822, $now ) ],
                [ 'last-modified' => wfTimestamp( TS_MW, $now - 1 ) ], 200, true ],

            // Other date formats allowed by the RFC
            [ [ 'If-Modified-Since' => gmdate( 'l, d-M-y H:i:s', $now ) . ' GMT' ],
                [ 'last-modified' => wfTimestamp( TS_MW, $now - 1 ) ], 304 ],
            [ [ 'If-Modified-Since' => gmdate( 'D M j H:i:s Y', $now ) ],
                [ 'last-modified' => wfTimestamp( TS_MW, $now - 1 ) ], 304 ],

            // Old browser extension to HTTP/1.0
            [ [ 'If-Modified-Since' => wfTimestamp( TS_RFC2822, $now ) . '; length=123' ],
                [ 'last-modified' => wfTimestamp( TS_MW, $now - 1 ) ], 304 ],

            // Invalid date formats should be ignored
            [ [ 'If-Modified-Since' => gmdate( 'Y-m-d H:i:s', $now ) . ' GMT' ],
                [ 'last-modified' => wfTimestamp( TS_MW, $now - 1 ) ], 200 ],
        ];
    }

    public function testConditionalRequestHeadersOutput(
        $conditions, $headers, $isError = false, $post = false
    ) {
        $request = new FauxRequest( [ 'action' => 'query', 'meta' => 'siteinfo' ], $post );
        $response = $request->response();

        $api = new ApiMain( $request );
        $priv = TestingAccessWrapper::newFromObject( $api );
        $priv->mInternalMode = false;

        $module = $this->getMockBuilder( 'ApiBase' )
            ->setConstructorArgs( [ $api, 'mock' ] )
            ->setMethods( [ 'getConditionalRequestData' ] )
            ->getMockForAbstractClass();
        $module->expects( $this->any() )
            ->method( 'getConditionalRequestData' )
            ->will( $this->returnCallback( function ( $condition ) use ( $conditions ) {
                return isset( $conditions[$condition] ) ? $conditions[$condition] : null;
            } ) );
        $priv->mModule = $module;

        $priv->sendCacheHeaders( $isError );

        foreach ( [ 'Last-Modified', 'ETag' ] as $header ) {
            $this->assertEquals(
                isset( $headers[$header] ) ? $headers[$header] : null,
                $response->getHeader( $header ),
                $header
            );
        }
    }

    public static function provideConditionalRequestHeadersOutput() {
        return [
            [
                [],
                []
            ],
            [
                [ 'etag' => '"foo"' ],
                [ 'ETag' => '"foo"' ]
            ],
            [
                [ 'last-modified' => '20150818000102' ],
                [ 'Last-Modified' => 'Tue, 18 Aug 2015 00:01:02 GMT' ]
            ],
            [
                [ 'etag' => '"foo"', 'last-modified' => '20150818000102' ],
                [ 'ETag' => '"foo"', 'Last-Modified' => 'Tue, 18 Aug 2015 00:01:02 GMT' ]
            ],
            [
                [ 'etag' => '"foo"', 'last-modified' => '20150818000102' ],
                [],
                true,
            ],
            [
                [ 'etag' => '"foo"', 'last-modified' => '20150818000102' ],
                [],
                false,
                true,
            ],
        ];
    }

    public function testLacksSameOriginSecurity() {
        // Basic test
        $main = new ApiMain( new FauxRequest( [ 'action' => 'query', 'meta' => 'siteinfo' ] ) );
        $this->assertFalse( $main->lacksSameOriginSecurity(), 'Basic test, should have security' );

        // JSONp
        $main = new ApiMain(
            new FauxRequest( [ 'action' => 'query', 'format' => 'xml', 'callback' => 'foo' ] )
        );
        $this->assertTrue( $main->lacksSameOriginSecurity(), 'JSONp, should lack security' );

        // Header
        $request = new FauxRequest( [ 'action' => 'query', 'meta' => 'siteinfo' ] );
        $request->setHeader( 'TrEaT-As-UnTrUsTeD', '' ); // With falsey value!
        $main = new ApiMain( $request );
        $this->assertTrue( $main->lacksSameOriginSecurity(), 'Header supplied, should lack security' );

        // Hook
        $this->mergeMwGlobalArrayValue( 'wgHooks', [
            'RequestHasSameOriginSecurity' => [ function () {
                return false;
            } ]
        ] );
        $main = new ApiMain( new FauxRequest( [ 'action' => 'query', 'meta' => 'siteinfo' ] ) );
        $this->assertTrue( $main->lacksSameOriginSecurity(), 'Hook, should lack security' );
    }
}