JezK

Edit File: Fs.php

<?php namespace seraph_accel; if( !defined( 'ABSPATH' ) ) exit; class Fs { const MimeTypeDef = ''; const BufSizeDef = 4096; static function StreamOutFileContent( $fileName, $mimeType = Fs::MimeTypeDef, $bHeadOnly = false, $bufSize = Fs::BufSizeDef, $asAttachment = false, $nTtl = 0, $bNotMdf = true ) { $size = @filesize( $fileName ); $time = @filemtime( $fileName ); if( $size === false || $time === false ) { http_response_code( 404 ); return; } if( empty( $mimeType ) ) $mimeType = Fs::GetMimeContentType( $fileName ); $begin = 0; $end = $size; $isRange = false; if( isset( $_SERVER[ 'HTTP_RANGE' ] ) ) { $range = str_replace( ' ', '', $_SERVER[ 'HTTP_RANGE' ] ); $pos = strpos( $range, 'bytes=' ); if( is_int( $pos ) ) { $isRange = true; $range = substr( $range, $pos + strlen( 'bytes=' ) ); $pos = strpos( $range, '-' ); if( is_int( $pos ) ) { $begin = intval( substr( $range, 0, $pos ) ); $range = substr( $range, $pos + 1 ); if( strlen( $range ) ) $end = intval( $range ); } else $begin = intval( $range ); } } header( 'Content-Type: ' . $mimeType ); header( 'Cache-Control: public, ' . ( $nTtl ? ( 'max-age=' . $nTtl ) : 'must-revalidate, max-age=0' ) ); if( !$nTtl ) header( 'Pragma: no-cache' ); header( 'Accept-Ranges: bytes' ); header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', $time ) . ' GMT' ); if( $isRange ) header( 'Content-Range: bytes ' . $begin . '-' . $end . '/' . $size ); if( $asAttachment ) header( 'Content-Disposition: attachment;filename="' . basename( $fileName ) . '"' ); if( $bNotMdf && isset( $_SERVER[ 'HTTP_IF_MODIFIED_SINCE' ] ) ) { if( strtotime( preg_replace( '@;.*$@', '', $_SERVER[ 'HTTP_IF_MODIFIED_SINCE' ] ) ) == $time ) { http_response_code( 304 ); return; } } $file = @fopen( $fileName, 'rb' ); if( !$file ) { http_response_code( 599 ); return; } if( $isRange ) http_response_code( 206 ); else http_response_code( 200 ); if( !$bHeadOnly ) { header( 'Content-Length: ' . ( $end - $begin ) ); if( $isRange ) { $cur = $begin; if( $begin ) @fseek( $file, $begin, 0 ); $fileOut = @fopen( 'php://output', 'w' ); if( !$fileOut ) { @fclose( $file ); http_response_code( 599 ); return; } while( !@feof( $file ) && $cur < $end && ( @connection_status() == 0 ) ) { $nRead = min( $bufSize, $end - $cur ); @fwrite( $fileOut, @fread( $file, $nRead ) ); $cur += $nRead; } @fclose( $fileOut ); } else @readfile( $fileName ); } @fclose( $file ); } static function StreamCopy( $stmSrc, $stmDst, $bufSize = 4096 ) { while( !@feof( $stmSrc ) ) { $nRead = $bufSize; $buf = @fread( $stmSrc, $nRead ); if( $buf === false ) return( Gen::E_INTERNAL ); if( @fwrite( $stmDst, $buf, $nRead ) === false ) return( Gen::E_INTERNAL ); } return( Gen::S_OK ); } static function CreateEmptyFile( $filePathName, $overwrite = true ) { $f = @fopen( $filePathName, $overwrite ? 'wb' : 'xb' ); if( $f === false ) return( Gen::E_INTERNAL ); @fclose( $f ); return( Gen::S_OK ); } static $mime_types = array( 'ai' => 'application/postscript', 'aif' => 'audio/x-aiff', 'aifc' => 'audio/x-aiff', 'aiff' => 'audio/x-aiff', 'asc' => 'text/plain', 'asf' => 'video/x-ms-asf', 'asx' => 'video/x-ms-asf', 'au' => 'audio/basic', 'avi' => 'video/x-msvideo', 'avif' => 'image/avif', 'bcpio' => 'application/x-bcpio', 'bmp' => 'image/bmp', 'bz2' => 'application/x-bzip2', 'cdf' => 'application/x-netcdf', 'chrt' => 'application/x-kchart', 'class' => 'application/octet-stream', 'cpio' => 'application/x-cpio', 'cpt' => 'application/mac-compactpro', 'csh' => 'application/x-csh', 'css' => 'text/css', 'dcr' => 'application/x-director', 'dir' => 'application/x-director', 'djv' => 'image/vnd.djvu', 'djvu' => 'image/vnd.djvu', 'dll' => 'application/octet-stream', 'dms' => 'application/octet-stream', 'doc' => 'application/msword', 'dvi' => 'application/x-dvi', 'dxr' => 'application/x-director', 'eps' => 'application/postscript', 'etx' => 'text/x-setext', 'exe' => 'application/octet-stream', 'ez' => 'application/andrew-inset', 'flv' => 'video/x-flv', 'gif' => 'image/gif', 'gtar' => 'application/x-gtar', 'gz' => 'application/x-gzip', 'hdf' => 'application/x-hdf', 'hqx' => 'application/mac-binhex40', 'htm' => 'text/html', 'html' => 'text/html', 'ice' => 'x-conference/x-cooltalk', 'ief' => 'image/ief', 'iges' => 'model/iges', 'igs' => 'model/iges', 'img' => 'application/octet-stream', 'iso' => 'application/octet-stream', 'jad' => 'text/vnd.sun.j2me.app-descriptor', 'jar' => 'application/x-java-archive', 'jnlp' => 'application/x-java-jnlp-file', 'jpe' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'jpg' => 'image/jpeg', 'js' => 'application/javascript', 'json' => 'application/json', 'kar' => 'audio/midi', 'kil' => 'application/x-killustrator', 'kpr' => 'application/x-kpresenter', 'kpt' => 'application/x-kpresenter', 'ksp' => 'application/x-kspread', 'kwd' => 'application/x-kword', 'kwt' => 'application/x-kword', 'latex' => 'application/x-latex', 'lha' => 'application/octet-stream', 'lzh' => 'application/octet-stream', 'm3u' => 'audio/x-mpegurl', 'man' => 'application/x-troff-man', 'me' => 'application/x-troff-me', 'mesh' => 'model/mesh', 'mid' => 'audio/midi', 'midi' => 'audio/midi', 'mif' => 'application/vnd.mif', 'mov' => 'video/quicktime', 'movie' => 'video/x-sgi-movie', 'mp2' => 'audio/mpeg', 'mp3' => 'audio/mpeg', 'mpe' => 'video/mpeg', 'mpeg' => 'video/mpeg', 'mpg' => 'video/mpeg', 'mpga' => 'audio/mpeg', 'ms' => 'application/x-troff-ms', 'msh' => 'model/mesh', 'mxu' => 'video/vnd.mpegurl', 'nc' => 'application/x-netcdf', 'odb' => 'application/vnd.oasis.opendocument.database', 'odc' => 'application/vnd.oasis.opendocument.chart', 'odf' => 'application/vnd.oasis.opendocument.formula', 'odg' => 'application/vnd.oasis.opendocument.graphics', 'odi' => 'application/vnd.oasis.opendocument.image', 'odm' => 'application/vnd.oasis.opendocument.text-master', 'odp' => 'application/vnd.oasis.opendocument.presentation', 'ods' => 'application/vnd.oasis.opendocument.spreadsheet', 'odt' => 'application/vnd.oasis.opendocument.text', 'ogg' => 'application/ogg', 'otg' => 'application/vnd.oasis.opendocument.graphics-template', 'oth' => 'application/vnd.oasis.opendocument.text-web', 'otp' => 'application/vnd.oasis.opendocument.presentation-template', 'ots' => 'application/vnd.oasis.opendocument.spreadsheet-template', 'ott' => 'application/vnd.oasis.opendocument.text-template', 'pbm' => 'image/x-portable-bitmap', 'pdb' => 'chemical/x-pdb', 'pdf' => 'application/pdf', 'pgm' => 'image/x-portable-graymap', 'pgn' => 'application/x-chess-pgn', 'png' => 'image/png', 'pnm' => 'image/x-portable-anymap', 'ppm' => 'image/x-portable-pixmap', 'ppt' => 'application/vnd.ms-powerpoint', 'ps' => 'application/postscript', 'qt' => 'video/quicktime', 'ra' => 'audio/x-realaudio', 'ram' => 'audio/x-pn-realaudio', 'ras' => 'image/x-cmu-raster', 'rgb' => 'image/x-rgb', 'rm' => 'audio/x-pn-realaudio', 'roff' => 'application/x-troff', 'rpm' => 'application/x-rpm', 'rss' => 'application/rss+xml', 'rtf' => 'text/rtf', 'rtx' => 'text/richtext', 'sgm' => 'text/sgml', 'sgml' => 'text/sgml', 'sh' => 'application/x-sh', 'shar' => 'application/x-shar', 'silo' => 'model/mesh', 'sis' => 'application/vnd.symbian.install', 'sit' => 'application/x-stuffit', 'skd' => 'application/x-koan', 'skm' => 'application/x-koan', 'skp' => 'application/x-koan', 'skt' => 'application/x-koan', 'smi' => 'application/smil', 'smil' => 'application/smil', 'snd' => 'audio/basic', 'so' => 'application/octet-stream', 'spl' => 'application/x-futuresplash', 'src' => 'application/x-wais-source', 'stc' => 'application/vnd.sun.xml.calc.template', 'std' => 'application/vnd.sun.xml.draw.template', 'sti' => 'application/vnd.sun.xml.impress.template', 'stw' => 'application/vnd.sun.xml.writer.template', 'sv4cpio' => 'application/x-sv4cpio', 'sv4crc' => 'application/x-sv4crc', 'svg' => 'image/svg+xml', 'swf' => 'application/x-shockwave-flash', 'sxc' => 'application/vnd.sun.xml.calc', 'sxd' => 'application/vnd.sun.xml.draw', 'sxg' => 'application/vnd.sun.xml.writer.global', 'sxi' => 'application/vnd.sun.xml.impress', 'sxm' => 'application/vnd.sun.xml.math', 'sxw' => 'application/vnd.sun.xml.writer', 't' => 'application/x-troff', 'tar' => 'application/x-tar', 'tcl' => 'application/x-tcl', 'tex' => 'application/x-tex', 'texi' => 'application/x-texinfo', 'texinfo' => 'application/x-texinfo', 'tgz' => 'application/x-gzip', 'tif' => 'image/tiff', 'tiff' => 'image/tiff', 'torrent' => 'application/x-bittorrent', 'tr' => 'application/x-troff', 'tsv' => 'text/tab-separated-values', 'txt' => 'text/plain', 'ustar' => 'application/x-ustar', 'vcd' => 'application/x-cdlink', 'vrml' => 'model/vrml', 'wav' => 'audio/x-wav', 'wax' => 'audio/x-ms-wax', 'wbmp' => 'image/vnd.wap.wbmp', 'wbxml' => 'application/vnd.wap.wbxml', 'webp' => 'image/webp', 'wm' => 'video/x-ms-wm', 'wma' => 'audio/x-ms-wma', 'wml' => 'text/vnd.wap.wml', 'wmlc' => 'application/vnd.wap.wmlc', 'wmls' => 'text/vnd.wap.wmlscript', 'wmlsc' => 'application/vnd.wap.wmlscriptc', 'wmv' => 'video/x-ms-wmv', 'wmx' => 'video/x-ms-wmx', 'wrl' => 'model/vrml', 'wvx' => 'video/x-ms-wvx', 'xbm' => 'image/x-xbitmap', 'xht' => 'application/xhtml+xml', 'xhtml' => 'application/xhtml+xml', 'xls' => 'application/vnd.ms-excel', 'xpm' => 'image/x-xpixmap', 'xsl' => 'text/xml', 'xwd' => 'image/x-xwindowdump', 'xyz' => 'chemical/x-xyz', 'zip' => 'application/zip', 'bin' => 'application/octet-stream', 'xml' => 'text/xml', ); static $mime_types_rev = array( 'font/eot' => 'eot', 'application/vnd.ms-fontobject' => 'eot', 'font/opentype' => 'otf', 'application/font-opentype' => 'otf', 'application/x-font-opentype' => 'otf', 'application/font-ttf' => 'ttf', 'application/x-font-ttf' => 'ttf', 'application/x-font-truetype' => 'ttf', 'font/woff' => 'woff', 'application/font-woff' => 'woff', 'application/x-font-woff' => 'woff', 'application/font-woff2' => 'woff2', 'application/x-font-woff2' => 'woff2', 'application/octet-stream' => 'bin', 'application/x-javascript' => 'js', 'text/javascript' => 'js', ); static function GetMimeContentType( $filename ) { static $aMime = null; if( !$aMime ) $aMime = array_merge( self::$mime_types, array_flip( self::$mime_types_rev ) ); $mimeType = ($aMime[ strtolower( Gen::GetFileExt( $filename ) ) ]??null); if( empty( $mimeType ) ) $mimeType = self::_GetMimeContentType( $filename ); if( empty( $mimeType ) ) $mimeType = 'application/octet-stream'; return( $mimeType ); } static private function _GetMimeContentType( $filename ) { if( function_exists( 'mime_content_type' ) ) return( @mime_content_type( $filename ) ); if( function_exists( 'finfo_file' ) && function_exists( 'finfo_open' ) && function_exists( 'finfo_close' ) ) { $fileinfo = @finfo_open( FILEINFO_MIME ); $mime_type = @finfo_file( $fileinfo, $filename ); @finfo_close( $fileinfo ); return( $mime_type ); } } static function GetFileTypeFromMimeContentType( $mimeType, $def = null ) { static $aMimeRev = null; if( $aMimeRev === null ) $aMimeRev = array_merge( self::$mime_types_rev, array_flip( self::$mime_types ) ); return( ($aMimeRev[ $mimeType ]??$def) ); } }