plugin_upload.php

<?php
/*
This file is part of Mkframework.

Mkframework is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License.

Mkframework is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with Mkframework.  If not, see <http://www.gnu.org/licenses/>.

*/
class plugin_upload{

    private $tFile;
    private $sOriginFileName;
    private $sTmpFileName;
    private $sNewPath;
    private $sExtension;
    private $bValid;
    private $salt='1EE7a89';

    public function __construct($sColumn){
        if(isset($_FILES[$sColumn]) && $_FILES[$sColumn]['size'] > 0){
            $this->bValid=true;
            $this->tFile=$_FILES[$sColumn];
            $this->sOriginFileName=basename($_FILES[$sColumn]['name']);
            $this->sTmpFileName=$_FILES[$sColumn]['tmp_name'];
            $this->loadExtension();
        }else{
            $this->bValid=false;
        }
    }

    public function saveAs($sNewFileName){
        $this->sNewPath=$sNewFileName.sha1($this->salt.$sNewFileName).'.'.time().'.'.$this->sExtension;

        if(move_uploaded_file($this->sTmpFileName, $this->sNewPath)){
            return true;
        }
        else{
            return false;
        }
    }
    public function getPath(){
        return $this->sNewPath;
    }
    public function isValid(){
        return $this->bValid;
    }

    private function loadExtension(){
        $tFileName=preg_split('/\./',$this->sOriginFileName);
        $this->sExtension= end($tFileName);
    }

}