EasyDownload.class

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<?php
class EasyDownload
{
    var $ContentType;
    var $ContentLength;
    var $ContentDisposition;
    var $ContentTransferEncoding;
    var $Path;
    var $FileName;
    var $FileNameDown;
 
    function EasyDownload()
    {
        $this->ContentType = "application/save";
        $this->ContentLength = "";
        $this->ContentDisposition = "";
        $this->ContentTransferEncoding = "";
        $this->Path = "";
        $this->FileName = "";
        $this->FileNameDown = "";
    }
 
    function setContentType($strValue)
    {
        $this->ContentType = $strValue;
    }
 
    function _setContentLength()
    {
        $this->ContentLength = filesize($this->Path . "/" . $this->FileName);
    }
 
    function setContentDisposition($strValue)
    {
        $this->ContentDisposition = $strValue;
    }
 
    function setContentTransferEncoding($strValue)
    {
        $this->ContentTransferEncoding = $strValue;
    }
 
    function setPath($strValue)
    {
        if (strpos($strValue, "..") === false)
        {
            $this->Path = $strValue;
        }
        else
        {
            die ("Trying to access an URL with '..'");
        }
    }
 
    function setFileName($strValue)
    {
        if (strpos($strValue, "..") === false)
        {
            $this->FileName = $strValue;
        }
        else
        {
            die ("Trying to access an URL with '..'");
        }
    }
 
    function setFileNameDown($strValue)
    {
        $this->FileNameDown = $strValue;
    }
 
    function send()
    {
        $this->_setContentLength();
        header ("Content-Type: " . $this->ContentType);
        header ("Content-Length: " . $this->ContentLength);
 
        if ($this->FileNameDown == "")
            header ("Content-Disposition: attachment; filename=" . $this->FileName);
        else
            header ("Content-Disposition: attachment; filename=" . $this->FileNameDown);
 
        header ("Content-Transfer-Encoding: binary");
        $fp = fopen($this->Path . "/" . $this->FileName, "r");
        fpassthru ($fp);
        fclose ($fp);
        exit();
    }
}
?>