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<?php
namespace MediaWiki\Tests\Rest\Handler;
use Exception;
use MediaWiki\Deferred\DeferredUpdates;
use MediaWiki\Hook\ParserLogLinterDataHook;
use MediaWiki\MainConfigNames;
use MediaWiki\Rest\Handler\PageHTMLHandler;
use MediaWiki\Rest\LocalizedHttpException;
use MediaWiki\Rest\RequestData;
use MediaWiki\Title\Title;
use MediaWiki\Utils\MWTimestamp;
use MediaWikiIntegrationTestCase;
use PHPUnit\Framework\MockObject\MockObject;
use Psr\Http\Message\StreamInterface;
use Wikimedia\Message\MessageValue;
use Wikimedia\ObjectCache\HashBagOStuff;
use Wikimedia\Parsoid\Core\ClientError;
use Wikimedia\Parsoid\Core\ResourceLimitExceededException;
use Wikimedia\Parsoid\Parsoid;
use Wikimedia\Parsoid\Utils\ContentUtils;
use Wikimedia\Parsoid\Utils\DOMUtils;
use WikiPage;
/**
* @covers \MediaWiki\Rest\Handler\PageHTMLHandler
* @group Database
*/
class PageHTMLHandlerTest extends MediaWikiIntegrationTestCase {
use HandlerTestTrait;
use PageHandlerTestTrait;
use HTMLHandlerTestTrait;
private const WIKITEXT = 'Hello \'\'\'World\'\'\'';
private const HTML = '>World</';
private HashBagOStuff $parserCacheBagOStuff;
protected function setUp(): void {
parent::setUp();
$this->parserCacheBagOStuff = new HashBagOStuff();
// Protect the ObjectCacheFactory from the service container reset,
// so the emulated parser cache persists between calls to executeHandler().
$objectCacheFactory = $this->getServiceContainer()->getObjectCacheFactory();
$this->setService( 'ObjectCacheFactory', $objectCacheFactory );
}
/**
* @param Parsoid|MockObject|null $parsoid
*
* @return PageHTMLHandler
*/
private function newHandler( ?Parsoid $parsoid = null ): PageHTMLHandler {
if ( $parsoid ) {
$this->resetServicesWithMockedParsoid( $parsoid );
} else {
// ParserOutputAccess has a localCache which can return stale content.
// Resetting ensures that ParsoidCachePrewarmJob gets a fresh copy
// of ParserOutputAccess without these problems!
$this->resetServices();
}
return $this->newPageHtmlHandler();
}
public function testExecuteWithHtml() {
$page = $this->getExistingTestPage( 'HtmlEndpointTestPage/with/slashes' );
$this->assertStatusGood( $this->editPage( $page, self::WIKITEXT ),
'Edited a page'
);
$request = new RequestData(
[ 'pathParams' => [ 'title' => $page->getTitle()->getPrefixedText() ] ]
);
$handler = $this->newHandler();
$data = $this->executeHandlerAndGetBodyData( $handler, $request, [
'format' => 'with_html'
] );
$this->assertResponseData( $page, $data );
$this->assertStringContainsString( '<!DOCTYPE html>', $data['html'] );
$this->assertStringContainsString( '<html', $data['html'] );
$this->assertStringContainsString( self::HTML, $data['html'] );
}
public function testExecuteWillLint() {
$this->overrideConfigValue( MainConfigNames::ParsoidSettings, [
'linting' => true
] );
$mockHandler = $this->createMock( ParserLogLinterDataHook::class );
$mockHandler->expects( $this->once() ) // this is the critical assertion in this test case!
->method( 'onParserLogLinterData' );
$this->setTemporaryHook(
'ParserLogLinterData',
$mockHandler
);
$page = $this->getExistingTestPage( 'HtmlEndpointTestPage/with/slashes' );
$request = new RequestData(
[ 'pathParams' => [ 'title' => $page->getTitle()->getPrefixedText() ] ]
);
$handler = $this->newHandler();
$this->executeHandlerAndGetBodyData( $handler, $request, [
'format' => 'with_html'
] );
}
public function testExecuteWithHtmlForSystemMessagePage() {
$title = Title::newFromText( 'MediaWiki:Logouttext' );
$page = $this->getNonexistingTestPage( $title );
$request = new RequestData(
[ 'pathParams' => [ 'title' => $page->getTitle()->getPrefixedText() ] ]
);
$handler = $this->newHandler();
$data = $this->executeHandlerAndGetBodyData( $handler, $request, [
'format' => 'with_html'
] );
// Let's create and test on a full HTML document since system message pages
// will not return a full HTML document by default.
$data['html'] = ContentUtils::toXML( DOMUtils::parseHTML( $data['html'] ) );
$this->assertSame( $title->getPrefixedDBkey(), $data['key'] );
$this->assertSame( $title->getPrefixedText(), $data['title'] );
$this->assertStringContainsString( '<!DOCTYPE html>', $data['html'] );
$this->assertStringContainsString( '<html', $data['html'] );
$this->assertStringContainsString( '<meta http-equiv', $data['html'] );
$this->assertStringContainsString( 'content="en"', $data['html'] );
$msg = wfMessage( 'logouttext' )->inLanguage( 'en' )->useDatabase( false );
$this->assertStringContainsString( $msg->parse(), $data['html'] );
}
public function testExecuteHtmlOnly() {
$page = $this->getExistingTestPage( 'HtmlEndpointTestPage/with/slashes' );
$this->assertStatusGood( $this->editPage( $page, self::WIKITEXT ),
'Edited a page'
);
$request = new RequestData(
[ 'pathParams' => [ 'title' => $page->getTitle()->getPrefixedText() ] ]
);
$handler = $this->newHandler();
$response = $this->executeHandler( $handler, $request, [
'format' => 'html'
] );
$htmlResponse = (string)$response->getBody();
$this->assertStringContainsString( '<!DOCTYPE html>', $htmlResponse );
$this->assertStringContainsString( '<html', $htmlResponse );
$this->assertStringContainsString( self::HTML, $htmlResponse );
}
public function testExecuteHtmlOnlyForSystemMessagePage() {
$title = Title::newFromText( 'MediaWiki:Logouttext/de' );
$page = $this->getNonexistingTestPage( $title );
$request = new RequestData(
[ 'pathParams' => [ 'title' => $page->getTitle()->getPrefixedText() ] ]
);
$handler = $this->newHandler();
$response = $this->executeHandler( $handler, $request, [
'format' => 'html'
] );
$htmlResponse = (string)$response->getBody();
// Let's create and test on a full HTML document since system message pages
// will not return a full HTML document by default.
$htmlResponse = ContentUtils::toXML( DOMUtils::parseHTML( $htmlResponse ) );
$this->assertStringContainsString( '<!DOCTYPE html>', $htmlResponse );
$this->assertStringContainsString( '<html', $htmlResponse );
$this->assertStringContainsString( '<meta http-equiv', $htmlResponse );
$this->assertStringContainsString( 'content="de"', $htmlResponse );
$msg = wfMessage( 'logouttext' )->inLanguage( 'de' )->useDatabase( false );
$this->assertStringContainsString( $msg->parse(), $htmlResponse );
}
/**
* Assert that we return a 404 even if an associated remote file description
* page exists (T353688).
*/
public function testRemoteDescriptionWithNonexistentFilePage() {
$name = 'JustSomeSillyFile.png';
$this->installMockFileRepo( $name );
$page = $this->getNonexistingTestPage( "File:$name" );
$request = new RequestData(
[ 'pathParams' => [ 'title' => $page->getTitle()->getPrefixedDBkey() ] ]
);
$handler = $this->newHandler();
$exception = $this->executeHandlerAndGetHttpException( $handler, $request, [
'format' => 'with_html'
] );
$this->assertSame( 404, $exception->getCode() );
}
/**
* Assert that we return the local page content even if an associated remote
* file description page exists (T353688).
*/
public function testRemoteDescriptionWithExistingFilePage() {
$name = 'JustSomeSillyFile.png';
$this->installMockFileRepo( $name );
$pageName = "File:$name";
$this->editPage( $pageName, 'Local content' );
$request = new RequestData(
[ 'pathParams' => [ 'title' => $pageName ] ]
);
$handler = $this->newHandler();
$data = $this->executeHandlerAndGetBodyData( $handler, $request, [
'format' => 'with_html'
] );
$this->assertSame( $pageName, $data['key'] );
$this->assertSame( $pageName, $data['title'] );
$this->assertStringContainsString( '<html', $data['html'] );
$this->assertStringContainsString( 'Local content', $data['html'] );
}
/**
* @dataProvider provideExecuteWithVariant
*/
public function testExecuteWithVariant(
string $format,
callable $bodyHtmlHandler,
string $expectedContentLanguage,
string $expectedVaryHeader
) {
$this->overrideConfigValue( MainConfigNames::UsePigLatinVariant, true );
$page = $this->getExistingTestPage( 'HtmlVariantConversion' );
$this->assertStatusGood( $this->editPage( $page, '<p>test language conversion</p>' ),
'Edited a page'
);
$acceptLanguage = 'en-x-piglatin';
$request = new RequestData(
[
'pathParams' => [ 'title' => $page->getTitle()->getPrefixedText() ],
'headers' => [
'Accept-Language' => $acceptLanguage
]
]
);
$handler = $this->newHandler();
$response = $this->executeHandler( $handler, $request, [
'format' => $format
] );
$htmlBody = $bodyHtmlHandler( $response->getBody() );
$contentLanguageHeader = $response->getHeaderLine( 'Content-Language' );
$varyHeader = $response->getHeaderLine( 'Vary' );
$this->assertStringContainsString( '>esttay anguagelay onversioncay<', $htmlBody );
$this->assertEquals( $expectedContentLanguage, $contentLanguageHeader );
$this->assertStringContainsStringIgnoringCase( $expectedVaryHeader, $varyHeader );
$this->assertStringContainsString( $acceptLanguage, $response->getHeaderLine( 'ETag' ) );
}
public static function provideExecuteWithVariant() {
yield 'with_html request should contain accept language but not content language' => [
'with_html',
static function ( StreamInterface $response ) {
return json_decode( $response->getContents(), true )['html'];
},
'',
'accept-language'
];
yield 'html request should contain accept and content language' => [
'html',
static function ( StreamInterface $response ) {
return $response->getContents();
},
'en-x-piglatin',
'accept-language'
];
}
public function testEtagLastModified() {
$time = time();
MWTimestamp::setFakeTime( $time );
$page = $this->getExistingTestPage( 'HtmlEndpointTestPage/with/slashes' );
$request = new RequestData(
[ 'pathParams' => [ 'title' => $page->getTitle()->getPrefixedText() ] ]
);
// First, test it works if nothing was cached yet.
// Make some time pass since page was created:
$time += 10;
MWTimestamp::setFakeTime( $time );
$handler = $this->newHandler();
$response = $this->executeHandler( $handler, $request, [
'format' => 'html'
] );
$this->assertArrayHasKey( 'ETag', $response->getHeaders() );
$etag = $response->getHeaderLine( 'ETag' );
$this->assertStringMatchesFormat( '"' . $page->getLatest() . '/%x-%x-%x-%x-%x/%s"', $etag );
$this->assertArrayHasKey( 'Last-Modified', $response->getHeaders() );
$this->assertSame( MWTimestamp::convert( TS_RFC2822, $time ),
$response->getHeaderLine( 'Last-Modified' ) );
// Now, test that headers work when getting from cache too.
$handler = $this->newHandler();
$response = $this->executeHandler( $handler, $request, [
'format' => 'html'
] );
$this->assertArrayHasKey( 'ETag', $response->getHeaders() );
$this->assertSame( $etag, $response->getHeaderLine( 'ETag' ) );
$etag = $response->getHeaderLine( 'ETag' );
$this->assertStringMatchesFormat( '"' . $page->getLatest() . '/%x-%x-%x-%x-%x/%s"', $etag );
$this->assertArrayHasKey( 'Last-Modified', $response->getHeaders() );
$this->assertSame( MWTimestamp::convert( TS_RFC2822, $time ),
$response->getHeaderLine( 'Last-Modified' ) );
// Now, expire the cache
$time += 1000;
MWTimestamp::setFakeTime( $time );
$this->assertTrue(
$page->getTitle()->invalidateCache( MWTimestamp::convert( TS_MW, $time ) ),
'Can invalidate cache'
);
DeferredUpdates::doUpdates();
$handler = $this->newHandler();
$response = $this->executeHandler( $handler, $request, [
'format' => 'html'
] );
$this->assertArrayHasKey( 'ETag', $response->getHeaders() );
$this->assertNotSame( $etag, $response->getHeaderLine( 'ETag' ) );
$etag = $response->getHeaderLine( 'ETag' );
$this->assertStringMatchesFormat( '"' . $page->getLatest() . '/%x-%x-%x-%x-%x/%s"', $etag );
$this->assertArrayHasKey( 'Last-Modified', $response->getHeaders() );
$this->assertSame( MWTimestamp::convert( TS_RFC2822, $time ),
$response->getHeaderLine( 'Last-Modified' ) );
}
public static function provideHandlesParsoidError() {
yield 'ClientError' => [
new ClientError( 'TEST_TEST' ),
new LocalizedHttpException(
new MessageValue( 'rest-html-backend-error' ),
400,
[
'reason' => 'TEST_TEST'
]
)
];
yield 'ResourceLimitExceededException' => [
new ResourceLimitExceededException( 'TEST_TEST' ),
new LocalizedHttpException(
new MessageValue( 'rest-resource-limit-exceeded' ),
413,
[
'reason' => 'TEST_TEST'
]
)
];
}
/**
* @dataProvider provideHandlesParsoidError
*/
public function testHandlesParsoidError(
Exception $parsoidException,
Exception $expectedException
) {
$page = $this->getExistingTestPage( 'HtmlEndpointTestPage/with/slashes' );
$request = new RequestData(
[ 'pathParams' => [ 'title' => $page->getTitle()->getPrefixedText() ] ]
);
$parsoid = $this->createNoOpMock( Parsoid::class, [ 'wikitext2html' ] );
$parsoid->expects( $this->once() )
->method( 'wikitext2html' )
->willThrowException( $parsoidException );
$handler = $this->newHandler( $parsoid );
$this->expectExceptionObject( $expectedException );
$this->executeHandler( $handler, $request, [
'format' => 'html'
] );
}
public function testExecute_missingparam() {
$request = new RequestData();
$this->expectExceptionObject(
new LocalizedHttpException(
new MessageValue( "paramvalidator-missingparam", [ 'title' ] ),
400
)
);
$handler = $this->newHandler();
$this->executeHandler( $handler, $request );
}
public function testExecute_error() {
$request = new RequestData( [ 'pathParams' => [ 'title' => 'DoesNotExist8237456assda1234' ] ] );
$this->expectExceptionObject(
new LocalizedHttpException(
new MessageValue( "rest-nonexistent-title", [ 'testing' ] ),
404
)
);
$handler = $this->newHandler();
$this->executeHandler( $handler, $request, [ 'format' => 'html' ] );
}
/**
* @param WikiPage $page
* @param array $data
*/
private function assertResponseData( WikiPage $page, array $data ): void {
$this->assertSame( $page->getId(), $data['id'] );
$this->assertSame( $page->getTitle()->getPrefixedDBkey(), $data['key'] );
$this->assertSame( $page->getTitle()->getPrefixedText(), $data['title'] );
$this->assertSame( $page->getLatest(), $data['latest']['id'] );
$this->assertSame(
wfTimestampOrNull( TS_ISO_8601, $page->getTimestamp() ),
$data['latest']['timestamp']
);
$this->assertSame( CONTENT_MODEL_WIKITEXT, $data['content_model'] );
$this->assertSame( 'https://example.com/rights', $data['license']['url'] );
$this->assertSame( 'some rights', $data['license']['title'] );
}
/**
* Request One:
*
* When a request is made with no stash entries in the stash and stashing
* is set to false, don't stash anything. At this point, the stash is empty.
*
* Request Two:
*
* Once a request is made with stashing option set to true, we should have
* one entry in parsoid stash. So at this point, the stash is no longer empty
* as before.
*
* Request Three:
*
* Upon the third request, there is already a stash entry and if the 3rd request's
* stashing option is set to false, we're not invalidating the stash entries that
* exiting with the UUID. So, if we request a parsoid stashed object from the stash
* with a given UUID that exist, we should have a hit.
*/
public function testExecuteStashParsoidOutput() {
$page = $this->getExistingTestPage();
$outputStash = $this->getParsoidOutputStash();
[ /* $html1 */, $etag1, $stashKey1 ] = $this->executePageHTMLRequest( $page );
$this->assertNull( $outputStash->get( $stashKey1 ) );
[ /* $html2 */, $etag2, $stashKey2 ] = $this->executePageHTMLRequest( $page, [ 'stash' => true ] );
$this->assertNotNull( $outputStash->get( $stashKey2 ) );
[ /* $html3 */, $etag3, $stashKey3 ] = $this->executePageHTMLRequest( $page );
/**
* The stash for the previous request should still live at this point.
*/
$this->assertNotNull( $outputStash->get( $stashKey2 ) );
$this->assertNotNull( $outputStash->get( $stashKey3 ) );
$this->assertSame( $etag1, $etag3 );
$this->assertNotSame( $etag1, $etag2 );
// Make sure the output for stashed and unstashed doesn't have the same tag,
// since it will actually be different!
// FIXME: implement flavors and write test cases for them.
}
public function testETagVariesOnFormat() {
$page = $this->getExistingTestPage();
[ /* $html1 */, $etag1 ] =
$this->executePageHTMLRequest( $page, [], [ 'format' => 'html' ] );
[ /* $html2 */, $etag2 ] =
$this->executePageHTMLRequest( $page, [], [ 'format' => 'with_html' ] );
$this->assertNotSame( $etag1, $etag2 );
}
public function testStashingWithRateLimitExceeded() {
// Set the rate limit to 1 request per minute
$this->overrideConfigValue(
MainConfigNames::RateLimits, [
'stashbasehtml' => [
'&can-bypass' => false,
'ip' => [ 1, 60 ],
'newbie' => [ 1, 60 ]
]
]
);
$page = $this->getExistingTestPage();
$authority = $this->getAuthority();
$this->executePageHTMLRequest( $page, [ 'stash' => true ], [], $authority );
// In this request, the rate limit has been exceeded, so it should throw.
$this->expectException( LocalizedHttpException::class );
$this->expectExceptionCode( 429 );
$this->executePageHTMLRequest( $page, [ 'stash' => true ], [], $authority );
}
}
|
