X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=thumb.php;h=bd14e417a6f9a16ad8a8b3cd8c1e1bb10e10fda1;hb=66038a7d82fabfd8901e0a64dd1cee4773fe7756;hp=25bca879547109821ac2ec2de52916ba9e70f1ec;hpb=3fa15fea69c729ca1fd01fec7bb9663140a1ef70;p=lhc%2Fweb%2Fwiklou.git

diff --git a/thumb.php b/thumb.php
index 25bca87954..bd14e417a6 100644
--- a/thumb.php
+++ b/thumb.php
@@ -38,7 +38,7 @@ if ( defined( 'THUMB_HANDLER' ) ) {
 $mediawiki = new MediaWiki();
 $mediawiki->doPostOutputShutdown( 'fast' );
 
-//--------------------------------------------------------------------------
+// --------------------------------------------------------------------------
 
 /**
  * Handle a thumbnail request via thumbnail file URL
@@ -190,6 +190,7 @@ function wfStreamThumb( array $params ) {
 				if ( $targetFile->exists() ) {
 					$newThumbName = $targetFile->thumbName( $params );
 					if ( $isOld ) {
+						/** @var array $bits */
 						$newThumbUrl = $targetFile->getArchiveThumbUrl(
 							$bits[0] . '!' . $targetFile->getName(), $newThumbName );
 					} else {
@@ -221,7 +222,7 @@ function wfStreamThumb( array $params ) {
 		wfThumbErrorText( 404, "The source file '$fileName' does not exist." );
 		return;
 	} elseif ( $img->getPath() === false ) {
-		wfThumbErrorText( 500, "The source file '$fileName' is not locally accessible." );
+		wfThumbErrorText( 400, "The source file '$fileName' is not locally accessible." );
 		return;
 	}
 
@@ -249,11 +250,16 @@ function wfStreamThumb( array $params ) {
 	try {
 		$thumbName = $img->thumbName( $params );
 		if ( !strlen( $thumbName ) ) { // invalid params?
-			throw new MediaTransformInvalidParametersException( 'Empty return from File::thumbName' );
+			throw new MediaTransformInvalidParametersException(
+				'Empty return from File::thumbName'
+			);
 		}
 		$thumbName2 = $img->thumbName( $params, File::THUMB_FULL_NAME ); // b/c; "long" style
 	} catch ( MediaTransformInvalidParametersException $e ) {
-		wfThumbError( 400, 'The specified thumbnail parameters are not valid: ' . $e->getMessage() );
+		wfThumbError(
+			400,
+			'The specified thumbnail parameters are not valid: ' . $e->getMessage()
+		);
 		return;
 	} catch ( MWException $e ) {
 		wfThumbError( 500, $e->getHTML() );
@@ -293,7 +299,8 @@ function wfStreamThumb( array $params ) {
 	$dispositionType = isset( $params['download'] ) ? 'attachment' : 'inline';
 
 	// Suggest a good name for users downloading this thumbnail
-	$headers[] = "Content-Disposition: {$img->getThumbDisposition( $thumbName, $dispositionType )}";
+	$headers[] =
+		"Content-Disposition: {$img->getThumbDisposition( $thumbName, $dispositionType )}";
 
 	if ( count( $varyHeader ) ) {
 		$headers[] = 'Vary: ' . implode( ', ', $varyHeader );
@@ -316,29 +323,35 @@ function wfStreamThumb( array $params ) {
 
 	$user = RequestContext::getMain()->getUser();
 	if ( !wfThumbIsStandard( $img, $params ) && $user->pingLimiter( 'renderfile-nonstandard' ) ) {
-		wfThumbError( 500, wfMessage( 'actionthrottledtext' )->parse() );
+		wfThumbError( 429, wfMessage( 'actionthrottledtext' )->parse() );
 		return;
 	} elseif ( $user->pingLimiter( 'renderfile' ) ) {
-		wfThumbError( 500, wfMessage( 'actionthrottledtext' )->parse() );
+		wfThumbError( 429, wfMessage( 'actionthrottledtext' )->parse() );
 		return;
 	}
 
 	list( $thumb, $errorMsg ) = wfGenerateThumbnail( $img, $params, $thumbName, $thumbPath );
 
-	/** @var MediaTransformOutput|bool $thumb */
+	/** @var MediaTransformOutput|MediaTransformError|bool $thumb */
 
 	// Check for thumbnail generation errors...
 	$msg = wfMessage( 'thumbnail_error' );
 	$errorCode = 500;
 	if ( !$thumb ) {
 		$errorMsg = $errorMsg ?: $msg->rawParams( 'File::transform() returned false' )->escaped();
+		if ( $errorMsg instanceof MessageSpecifier &&
+			$errorMsg->getKey() === 'thumbnail_image-failure-limit'
+		) {
+			$errorCode = 429;
+		}
 	} elseif ( $thumb->isError() ) {
 		$errorMsg = $thumb->getHtmlMsg();
 	} elseif ( !$thumb->hasFile() ) {
 		$errorMsg = $msg->rawParams( 'No path supplied in thumbnail object' )->escaped();
 	} elseif ( $thumb->fileIsSource() ) {
-		$errorMsg = $msg->
-			rawParams( 'Image was not scaled, is the requested width bigger than the source?' )->escaped();
+		$errorMsg = $msg
+			->rawParams( 'Image was not scaled, is the requested width bigger than the source?' )
+			->escaped();
 		$errorCode = 400;
 	}
 
@@ -412,7 +425,7 @@ function wfGenerateThumbnail( File $file, array $params, $thumbName, $thumbPath
 				'fallback' => function () {
 					return wfMessage( 'generic-pool-error' )->parse();
 				},
-				'error' => function ( $status ) {
+				'error' => function ( Status $status ) {
 					return $status->getHTML();
 				}
 			)
@@ -427,6 +440,7 @@ function wfGenerateThumbnail( File $file, array $params, $thumbName, $thumbPath
 		// Tried to select a page on a non-paged file?
 	}
 
+	/** @noinspection PhpUnusedLocalVariableInspection */
 	$done = true; // no PHP fatal occured
 
 	if ( !$thumb || $thumb->isError() ) {
@@ -497,7 +511,7 @@ function wfExtractThumbRequestInfo( $thumbRel ) {
  */
 function wfExtractThumbParams( $file, $params ) {
 	if ( !isset( $params['thumbName'] ) ) {
-		throw new MWException( "No thumbnail name passed to wfExtractThumbParams" );
+		throw new InvalidArgumentException( "No thumbnail name passed to wfExtractThumbParams" );
 	}
 
 	$thumbname = $params['thumbName'];
@@ -536,7 +550,7 @@ function wfExtractThumbParams( $file, $params ) {
 
 	// As a last ditch fallback, use the traditional common parameters
 	if ( preg_match( '!^(page(\d*)-)*(\d*)px-[^/]*$!', $thumbname, $matches ) ) {
-		list( /* all */, $pagefull, $pagenum, $size ) = $matches;
+		list( /* all */, /* pagefull */, $pagenum, $size ) = $matches;
 		$params['width'] = $size;
 		if ( $pagenum ) {
 			$params['page'] = $pagenum;
@@ -551,11 +565,11 @@ function wfExtractThumbParams( $file, $params ) {
  * Output a thumbnail generation error message
  *
  * @param int $status
- * @param string $msg Plain text (will be html escaped)
+ * @param string $msgText Plain text (will be html escaped)
  * @return void
  */
 function wfThumbErrorText( $status, $msgText ) {
-	return wfThumbError( $status, htmlspecialchars( $msgText ) );
+	wfThumbError( $status, htmlspecialchars( $msgText ) );
 }
 
 /**
@@ -570,10 +584,8 @@ function wfThumbError( $status, $msgHtml ) {
 
 	header( 'Cache-Control: no-cache' );
 	header( 'Content-Type: text/html; charset=utf-8' );
-	if ( $status == 400 ) {
-		HttpStatus::header( 400 );
-	} elseif ( $status == 404 ) {
-		HttpStatus::header( 404 );
+	if ( $status == 400 || $status == 404 || $status == 429 ) {
+		HttpStatus::header( $status );
 	} elseif ( $status == 403 ) {
 		HttpStatus::header( 403 );
 		header( 'Vary: Cookie' );
@@ -582,7 +594,9 @@ function wfThumbError( $status, $msgHtml ) {
 	}
 	if ( $wgShowHostnames ) {
 		header( 'X-MW-Thumbnail-Renderer: ' . wfHostname() );
-		$url = htmlspecialchars( isset( $_SERVER['REQUEST_URI'] ) ? $_SERVER['REQUEST_URI'] : '' );
+		$url = htmlspecialchars(
+			isset( $_SERVER['REQUEST_URI'] ) ? $_SERVER['REQUEST_URI'] : ''
+		);
 		$hostname = htmlspecialchars( wfHostname() );
 		$debug = "<!-- $url -->\n<!-- $hostname -->\n";
 	} else {