streamfile.php
来自「php 开发的内容管理系统」· PHP 代码 · 共 73 行
PHP
73 行
<?php/** *//** */function wfStreamFile( $fname ) { $stat = @stat( $fname ); if ( !$stat ) { header( 'HTTP/1.0 404 Not Found' ); echo "<html><body><h1>File not found</h1><p>Although this PHP script ({$_SERVER['SCRIPT_NAME']}) exists, the file requested for outputdoes not.</p></body></html>"; return; } header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', $stat['mtime'] ) . ' GMT' ); // Cancel output buffering and gzipping if set while( $status = ob_get_status() ) { ob_end_clean(); if( $status['name'] == 'ob_gzhandler' ) { header( 'Content-Encoding:' ); } } $type = wfGetType( $fname ); if ( $type and $type!="unknown/unknown") { header("Content-type: $type"); } else { header('Content-type: application/x-wiki'); } if ( !empty( $_SERVER['HTTP_IF_MODIFIED_SINCE'] ) ) { $modsince = preg_replace( '/;.*$/', '', $_SERVER['HTTP_IF_MODIFIED_SINCE'] ); $sinceTime = strtotime( $modsince ); if ( $stat['mtime'] <= $sinceTime ) { header( "HTTP/1.0 304 Not Modified" ); return; } } header( 'Content-Length: ' . $stat['size'] ); readfile( $fname );}/** */function wfGetType( $filename ) { global $wgTrivialMimeDetection; # trivial detection by file extension, # used for thumbnails (thumb.php) if ($wgTrivialMimeDetection) { $ext= strtolower(strrchr($filename, '.')); 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'; } else { $magic=& wfGetMimeMagic(); return $magic->guessMimeType($filename); //full fancy mime detection }}?>⌨️ 快捷键说明
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