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<?php |
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namespace ByJG\RestServer\Middleware; |
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use ByJG\RestServer\Exception\Error404Exception; |
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use ByJG\RestServer\Exception\Error415Exception; |
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use ByJG\RestServer\HttpRequest; |
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use ByJG\RestServer\HttpResponse; |
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use ByJG\RestServer\OutputProcessor\HtmlOutputProcessor; |
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use ByJG\RestServer\ResponseBag; |
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use FastRoute\Dispatcher; |
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class ServerStaticMiddleware implements BeforeMiddlewareInterface |
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{ |
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/** |
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* Undocumented function |
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* |
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* @param mixed $dispatcherStatus |
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* @param HttpResponse $response |
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* @param HttpRequest $request |
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* @return MiddlewareResult |
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*/ |
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public function beforeProcess( |
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$dispatcherStatus, |
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HttpResponse $response, |
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HttpRequest $request |
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) |
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{ |
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if ($dispatcherStatus != Dispatcher::NOT_FOUND) { |
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return MiddlewareResult::continue(); |
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} |
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2 |
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$file = $_SERVER['SCRIPT_FILENAME']; |
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if (!empty($file) && file_exists($file)) { |
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$mime = $this->mimeContentType($file); |
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if (empty($mime)) { |
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return MiddlewareResult::continue(); |
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} |
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$response->addHeader("Content-Type", $mime); |
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$response->emptyResponse(); |
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$response->getResponseBag()->setSerializationRule(ResponseBag::RAW); |
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$response->write(file_get_contents($file)); |
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return MiddlewareResult::stopProcessingOthers(HtmlOutputProcessor::class); |
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} |
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return MiddlewareResult::continue(); |
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} |
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/** |
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* Get the Mime Type based on the filename |
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* |
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* @param string $filename |
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* @return string |
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*/ |
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public function mimeContentType($filename) |
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{ |
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$prohibitedTypes = [ |
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"php", |
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"vb", |
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"cs", |
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"rb", |
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"py", |
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"py3", |
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"lua" |
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]; |
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$mimeTypes = [ |
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'txt' => 'text/plain', |
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'htm' => 'text/html', |
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'html' => 'text/html', |
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'css' => 'text/css', |
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'js' => 'application/javascript', |
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'json' => 'application/json', |
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'xml' => 'application/xml', |
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'swf' => 'application/x-shockwave-flash', |
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'flv' => 'video/x-flv', |
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// images |
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'png' => 'image/png', |
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'jpe' => 'image/jpeg', |
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'jpeg' => 'image/jpeg', |
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'jpg' => 'image/jpeg', |
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'gif' => 'image/gif', |
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'bmp' => 'image/bmp', |
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'ico' => 'image/vnd.microsoft.icon', |
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'tiff' => 'image/tiff', |
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'tif' => 'image/tiff', |
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'svg' => 'image/svg+xml', |
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'svgz' => 'image/svg+xml', |
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// archives |
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'zip' => 'application/zip', |
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'rar' => 'application/x-rar-compressed', |
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'exe' => 'application/x-msdownload', |
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'msi' => 'application/x-msdownload', |
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'cab' => 'application/vnd.ms-cab-compressed', |
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// audio/video |
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'mp3' => 'audio/mpeg', |
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'qt' => 'video/quicktime', |
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'mov' => 'video/quicktime', |
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// adobe |
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'pdf' => 'application/pdf', |
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'psd' => 'image/vnd.adobe.photoshop', |
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'ai' => 'application/postscript', |
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'eps' => 'application/postscript', |
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'ps' => 'application/postscript', |
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// ms office |
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'doc' => 'application/msword', |
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'rtf' => 'application/rtf', |
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'xls' => 'application/vnd.ms-excel', |
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'ppt' => 'application/vnd.ms-powerpoint', |
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// open office |
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'odt' => 'application/vnd.oasis.opendocument.text', |
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'ods' => 'application/vnd.oasis.opendocument.spreadsheet', |
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]; |
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if (!file_exists($filename)) { |
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throw new Error404Exception("File does not exists"); |
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} |
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$ext = substr(strrchr($filename, "."), 1); |
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if (in_array($ext, $prohibitedTypes)) { |
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throw new Error415Exception("File type not supported"); |
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} |
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if (array_key_exists($ext, $mimeTypes)) { |
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return $mimeTypes[$ext]; |
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} elseif (function_exists('finfo_open')) { |
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$finfo = finfo_open(FILEINFO_MIME); |
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$mimetype = finfo_file($finfo, $filename); |
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finfo_close($finfo); |
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return $mimetype; |
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} |
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return null; |
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} |
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} |
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byjg /
restserver
This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue.
If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. Please note the @ignore annotation hint above.