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Although this PHP script ($encScript) exists, the file requested for output ($encFile) does not.

"; } return false; } // Sent Last-Modified HTTP header for client-side caching header( 'Last-Modified: ' . wfTimestamp( TS_RFC2822, $info['mtime'] ) ); // Cancel output buffering and gzipping if set wfResetOutputBuffers(); $type = self::contentTypeFromPath( $path ); if ( $type && $type != 'unknown/unknown' ) { header( "Content-type: $type" ); } else { // Send a content type which is not known to Internet Explorer, to // avoid triggering IE's content type detection. Sending a standard // unknown content type here essentially gives IE license to apply // whatever content type it likes. header( 'Content-type: application/x-wiki' ); } // Don't stream it out as text/html if there was a PHP error if ( headers_sent() ) { echo "Headers already sent, terminating.\n"; return false; } // Send additional headers foreach ( $headers as $header ) { header( $header ); } // Don't send if client has up to date cache if ( !empty( $_SERVER['HTTP_IF_MODIFIED_SINCE'] ) ) { $modsince = preg_replace( '/;.*$/', '', $_SERVER['HTTP_IF_MODIFIED_SINCE'] ); if ( wfTimestamp( TS_UNIX, $info['mtime'] ) <= strtotime( $modsince ) ) { ini_set( 'zlib.output_compression', 0 ); header( "HTTP/1.0 304 Not Modified" ); return self::NOT_MODIFIED; // ok } } header( 'Content-Length: ' . $info['size'] ); return self::READY_STREAM; // ok } /** * Determine the file type of a file based on the path * * @param string $filename Storage path or file system path * @param bool $safe Whether to do retroactive upload blacklist checks * @return null|string */ public static function contentTypeFromPath( $filename, $safe = true ) { global $wgTrivialMimeDetection; $ext = strrchr( $filename, '.' ); $ext = $ext === false ? '' : strtolower( substr( $ext, 1 ) ); # trivial detection by file extension, # used for thumbnails (thumb.php) if ( $wgTrivialMimeDetection ) { switch ( $ext ) { case 'gif': return 'image/gif'; case 'png': return 'image/png'; case 'jpg': return 'image/jpeg'; case 'jpeg': return 'image/jpeg'; } return 'unknown/unknown'; } $magic = MimeMagic::singleton(); // Use the extension only, rather than magic numbers, to avoid opening // up vulnerabilities due to uploads of files with allowed extensions // but disallowed types. $type = $magic->guessTypesForExtension( $ext ); /** * Double-check some security settings that were done on upload but might * have changed since. */ if ( $safe ) { global $wgFileBlacklist, $wgCheckFileExtensions, $wgStrictFileExtensions, $wgFileExtensions, $wgVerifyMimeType, $wgMimeTypeBlacklist; list( , $extList ) = UploadBase::splitExtensions( $filename ); if ( UploadBase::checkFileExtensionList( $extList, $wgFileBlacklist ) ) { return 'unknown/unknown'; } if ( $wgCheckFileExtensions && $wgStrictFileExtensions && !UploadBase::checkFileExtensionList( $extList, $wgFileExtensions ) ) { return 'unknown/unknown'; } if ( $wgVerifyMimeType && in_array( strtolower( $type ), $wgMimeTypeBlacklist ) ) { return 'unknown/unknown'; } } return $type; } }