class.Upload3.php 업로드

<?php
/***************************************************************************
*
*        Date            : 2004-11-08
*        Copyright        : aucd29
*        E-mail            : aucd29@daum.net
*        Type            : Class
*
*        $sUploadRoot    = $_SELF[UPD].'/';
*        $aThumb            = array(300,300);
*        require $_SELF[CLS].'/class.Upload3.php';
*        $_POST[sUpload] = $objUpload->Upload($_FILES[sUpload]); // $_POST[sOldFile], $_POST[sDelFile]
*
***************************************************************************/

Class Upload3
{
    // upload
    var $nFilesize;
    var $sFileName;
    var $sTempFile;
    var $sExtension;
    var $sUploadType;
    var $sNameType = 'time';
    var $sUploadRoot;
    var $sAbsFullpath;

    // file type
    var $sDenyType = 'php|cgi|pl|htm';
    var $sAllowType = 'gif|jpg|jpeg|png';

    // thumbnail
    var $aThumb;

    // modify
    var $sOldFile;
    var $sOldDel;

    function Upload3()
    {
        $this->sUploadRoot = $GLOBALS[sUploadRoot];
        $this->aThumb     = $GLOBALS[aThumb];
        if(!is_dir($this->sUploadRoot)) @mkdir($this->sUploadRoot, 0777);
    }

    function &Extension()
    {
        $tmp = pathinfo($this->sFileName);
        $this->sExtension = strtolower($tmp[extension]);
    }

    function isUploaded()
    {
        if(!is_uploaded_file($this->sTempFile)) $this->msg('is_uploaded_file error');
    }

    function FileTypeCheck()
    {
        if(ereg('image',$this->sUploadType))
        {
            if(!ereg($this->sExtension,$this->sAllowType))
                $this->msg('uploaded allow type : '.$this->sAllowType);
        }
        else
        {
            if(ereg($this->sExtension,$this->sDenyType))
                $this->msg('uploaded deny type : '.$this->sDenyType);
        }
    }

    function FileNameCheck()
    {
        if(is_dir(!$this->sUploadRoot)) @mkdir($this->sUploadRoot, 0777);
        // 파일명이 time이면 타임 형식으로다가 이름을 리턴해준다.
        $sName = ($this->sNameType == 'time')?time():basename($this->sFileName,".$this->sExtension");
        $sFile = "$this->sUploadRoot/$sName.$this->sExtension";

        // 동일 파일명 검사
        $i = 0;
        do
        {
            if($i) $sFile = sprintf("%s/%s(%d).%s", $this->sUploadRoot, $sName, $i, $this->sExtension);
            ++$i;
        }
        while(is_file($sFile));
        $this->sAbsFullpath = $sFile;
    }

    function Upload(&$sFiles,$sOldFile=null,$sOldDel=null)
    {
        if($sFiles[name])
        {
            $this->nFilesize = $sFiles[size];
            $this->sFileName = $sFiles[name];
            $this->sTempFile = $sFiles[tmp_name];
            $this->sUploadType = $sFiles[type];
            $this->Extension();
            $this->isUploaded();
            $this->FileTypeCheck();
            $this->FileNameCheck();
            $this->MoveUpload();
            if($this->aThumb) $this->Thumbnail();

            $sRtn = basename($this->sAbsFullpath);
            $this->RemoveOldFile($sOldFile,$sOldDel);

            return $sRtn;
        }
        else if($sOldFile && !$sFiles[name])    // 아무파일없이 그냥들어올때 이전걸로
            return $this->RemoveOldFile($sOldFile,$sOldDel);
        else
            return '';
    }

    function MUpload(&$sFiles,$sOldFile=null,$sDelFile=null)
    {
        $sRtn = '';
        $nCnt = count($sFiles[size]);
        for($i=0; $i<$nCnt; ++$i)
        {
            $sFile[tmp_name] = $sFiles[tmp_name][$i];
            $sFile[name]     = $sFiles[name][$i];
            $sFile[size]     = $sFiles[size][$i];
            $sFile[type]     = $sFiles[type][$i];
            $sRtn            .= $this->Upload($sFile,$sOldFile,$sDelFile).'|';
        }
        return $sRtn;
    }

    function RemoveOldFile($sOldFile=null,$sOldDel=null)
    {
        if($sOldFile&&$sOldDel)
        {
            @unlink("$this->sUploadRoot/$sOldFile");
            if($this->sThumb) @unlink("$this->sUploadRoot/thumb/$sOldFile");
            return '';
        }
        else return $sOldFile;
    }

    function MoveUpload()
    {
        if(!move_uploaded_file($this->sTempFile,$this->sAbsFullpath)) $this->msg('false uploaded');
    }

    function msg(&$msg)
    {
        echo"<script> alert('$msg'); history.back(); </script>";
        exit;
    }

    function Thumbnail()
    {
        $sTRoot = $this->sUploadRoot.'/thumb';
        if(!is_dir($sTRoot)) @mkdir($sTRoot ,0777);

        $aImg = getimagesize($this->sAbsFullpath);
        $nW = $aImg[0];
        $nH = $aImg[1];

        if($nW > $nH)
        {
            $nH2 = $nH>$this->aThumb[1]?$this->aThumb[1]:$nH;
            $nW2 = $nH2*$nW/$nH;
        }
        else
        {
            $nW2 = $nW>$this->aThumb[0]?$this->aThumb[0]:$nW;
            $nW2 = $nH*$nW2/$nW;
        }

        $nW = round($nW2);
        $nH = round($nH2);

        if(ereg($this->sExtension,'jpg|jpeg'))
            $tmpImage = imagecreatefromjpeg($this->sAbsFullpath);
        else if($this->sExtension == 'gif')
            $tmpImage = imagecreatefromgif($this->sAbsFullpath);
        else
            $tmpImage = imagecreatefrompng($this->sAbsFullpath);

        $Image = imageCreateTrueColor($this->aThumb[0], $this->aThumb[1]);
        $f7f7f7 = ImageColorAllocate($Image, 247,247,247);
        ImageFilledRectangle($Image, 0, 0, $this->aThumb[0], $this->aThumb[1], $f7f7f7); //채운 흰색사각형을 그린다.

        $go_x = round(($this->aThumb[0] - $nW)/2);
        $go_y = round(($this->aThumb[1] - $nH)/2);

        imageCopyReSampled($Image, $tmpImage, $go_x, $go_y, 0, 0, $nW, $nH, $aImg[0], $aImg[1]);
        $Thumbnail = $sTRoot.'/'.basename($this->sAbsFullpath);

        if(ereg($this->sExtension,'jpg|jpeg'))
            imagejpeg($Image, $Thumbnail);
        else if($this->sExtension == 'gif') //imagegif($Image, $Thumbnail);
            imagepng($Image, $Thumbnail);    // 2004-07-22 서버에 안깔려있다.
        else
            imagepng($Image, $Thumbnail);

        imagedestroy($Image);
        //echo $this->sAbsFullpath;
        //echo '<br>';
        ///print_r($this->aThumb);
        //print_r($aImg);
        //exif_thumbnail. 5.0
    }
}

if(!$objUpload) $objUpload = & new Upload3;
?>