Forskellig hastighed på download alt efter status?

Du kan tilpasse denne her, du skal bare sætte hvor du gemmer dine filer, og hvad download limit skal være. Gemmer du dine filer i /home/files/ f.eks.: /home/files/utils/winrar.exe downloader du filen ved at kalde dette script f.eks. med: http://www.example.dk/download.php/utils/winrar.exe

Den understøtter resume af downloads og har lidt sikkerhed indbygget.

<?php

    set_time_limit( 0 );

    define( 'DL_LIMIT_BANDWIDTH', 5 ); // In KB - 0 = No limit!
    define( 'DL_DOWNLOAD_ROOT', '/home/files' ); // Set this to where you store your files!

    $path = $_SERVER['PATH_INFO'];

    header( "Pragma: " );
    header( "Cache-Control: " );
    header( "Expires: 0" );

    if ( strlen( $path ) == 0 )
    {
        die('No download');
    }

    $file = realpath( DL_DOWNLOAD_ROOT . $path );

    if ( !file_exists( $file ) )
    {
        // The file does not exist
        header( 'HTTP/1.0 404 File Not Found' );
        die( 'File not found' );
        exit;
    }

    if ( substr( $file, 0, strlen( DL_DOWNLOAD_ROOT ) ) != DL_DOWNLOAD_ROOT )
    {
        // User attemted to download out of our path
        die( 'No such download' );
        exit;
    }

    $offset = false;
    $endset = false;

    if ( $_SERVER['HTTP_RANGE'] )
    {
        // User wants to resume download
        if ( preg_match( '/^bytes=([0-9]*?)-$/', $_SERVER['HTTP_RANGE'], $regs ) )
        {
            $offset = $regs[1];
        }
        else if ( preg_match( '/^bytes=([0-9]*?)-([0-9]*?)$/', $_SERVER['HTTP_RANGE'], $regs ) )
        {
            $offset = $regs[1];
            $endset = $regs[2];
        }
    }

    $length = filesize( $file );

    $fp = fopen( $file, 'rb' );

    if ( $offset )
    {
        if ( $offset > $length )
        {
            // User requested to resume beyond file size!
            header( 'HTTP/1.0 500 Internal Server Error' );
            exit;
        }
        // Resume download from somewhere
        fseek( $fp, $offset );
        $length -= $offset;
        if ( $endset )
        {
            $length = $endset-$offset;
        }
    }

    $filename = basename( $file );

    header( "Content-Length: $length" );
    header( "Content-Type: application/x-msdownload" );
    header( "X-Powered-By: ioflux.net download delivery system" );
    header( "Content-disposition: attachment; filename=$filename" );
    header( "Content-Transfer-Encoding: binary" );
    header( "Accept-Ranges: bytes" );

    if ( !$endset )
    {
        $endset = $length;
    }

    $cur = 0;
    $start = time();
    $len = ( ( $length - $cur ) > 4096 ? 4096 : ( $length - $cur ) );
    while ( $cnt = fread( $fp, $len ) )
    {
        $cur += $len;
        $len = ( ( $length - $cur ) > 4096 ? 4096 : ( $length - $cur ) );
        echo $cnt;
        $secs = time() - $start;
        $Kbsec = ( ( $cur / $secs ) / 1000 );
        if ( DL_LIMIT_BANDWIDTH != 0 && $Kbsec > DL_LIMIT_BANDWIDTH )
        {
            sleep( 1 );
        }
        if ( connection_aborted() )
        {
            // User cancelled the download...
            exit;
        }
    }

    fclose( $fp );

?>

Det var da et totalt nice script det der, mange tak for det :)

Lidt modifikationer og så kan det nøjagtigt hvad jeg vil have det til :)