Untitled

<!DOCTYPE html>
<html lang="en">
<head>

    </style>
    <meta charset="UTF-8">
    <title> Generator</title>


</head>
<

    body>


</span></span>


<form action="" method="post" enctype="multipart/form-data" onsubmit="return validate(this)">
        <input type="hidden"  name="<?php echo ini_get('session.upload_progress.prefix').ini_get('session.upload_progress.name'); ?>" value="123" />
    <labeL>
    <span>Choose CSV file:</span>
    </span></span>
        <input type="file" accept="text/csv" name="userfile" id="csvfile" />
    </labeL>
    <p> </p>
        <p id="file-message"></p>
    <input type="submit"  name="action" id="btnSend"  value="Send" />

</form>

<form action="download.php" method="post" value="download">
<p></p>

<input type="submit" name="btnDownload" id="btnDownload"   value="Download PDF File" <?php if ((strcmp($message,$userMessage)!=0)|| (empty($userFile))){ ?> disabled  <?php } ?> />

</form>


    <?php

    $upload_time = time() - $_SERVER['REQUEST_TIME'];//not used. gets time from the server

    if(isset($_POST['action']) && $_POST['action']=='Send'):
    $userFile=$_FILES['userfile'];
    $name = $userFile['name'];
    $tmp = $userFile ['tmp_name'];


    $extension=explode('.', $name);
    $ext=end($extension);

    $newName =md5($name).'.'.$ext;

    $newName= str_replace(' $name ','$name','uploadFile').'.'.$ext;
    $message="";
    $userMessage="File uploaded successfuly ";
    $userMessageError= "Select a CSV file ";
    $userMessageFileError= "Invalid CSV file. Select a new file.";
    $userTimeMessage= "SESSION EXPIRED. Please upload a file again.";
    global $time_out;


function validateFile($fileName)
{
    $allowedCol=10;
    $isValid=false;
    if(!file_exists($fileName) || !is_readable($fileName)) return false;

    $header = null;
    $data = array();
    $lines = file($fileName);

    foreach($lines as $line) {
        $values = str_getcsv($line,',','"', '\');
        if(!$header) $header = $values;
        else $data[] = array_combine($header, $values);
    }
            if(count($data[0])==$allowedCol){
                $isValid= true;
            }else{
                $isValid= false;
            }
            return $isValid;
    }


    if(empty($userFile)):

           echo 'Select an file to upload';
        else:
         if((move_uploaded_file($tmp, 'uploads/'.$newName)) AND ($ext=='csv') AND (validateFile('uploads/'.$newName))):

                ?>

                    <p id="info-message"> <?php echo $message=$userMessage;  ?> </p>
                    <p id="sec">  </p>

                <?php


            else:
                if(($ext=='csv' && $ext!=null &&  !(validateFile('uploads/'.$newName))) OR ($ext!='csv' AND $ext!=null)): //if not a csv file, remove file from the folder
                    ?>
                        <p id="info-message"> <?php echo $message=$userMessageFileError; unlink('uploads/'.$newName)?>  </p>
                    <?php
                    else:
                     ?>
                   <p id="info-message"> <?php echo $message=$userMessageError;?> </p>
                <?php
                    endif;
            endif;
        endif;

     endif;

?>


<!-- shows the error and upload message for 30 secs. -->
    <script>
      setTimeout(function(){
        document.getElementById('info-message').style.display = 'none';
      }, 3000);

      setTimeout(function(){
        document.getElementById('info-message-time').style.display = 'none';
      }, 3000);

      <!-- wait 120 secs to enable download button. -->
      <?php
    if(($ext=='csv') AND (validateFile('uploads/'.$newName))){
        ?>
         document.getElementById('btnDownload').disabled = true;
        setTimeout(function(){
          document.getElementById('btnDownload').disabled = false;
        }, 3000);

       <?php  }  ?>

 <!-- desactivates download button after 15 sec after the file  download. -->
      <?php

    if(strcmp($message,$userMessage)==0){
        ?>
        setTimeout(function(){
          document.getElementById('btnDownload').disabled = true;
        }, 15000);

 <?php  }  ?>

    </script>

 <!-- Find the distance between now and the count down date-->


 <!-- allows only csv files. -->
<script>
    var _validFileExtensions = [".csv"];
    function validate(oForm) {
        var arrInputs = oForm.getElementsByTagName("input");
        for (var i = 0; i < arrInputs.length; i++) {
            var oInput = arrInputs[i];
            if (oInput.type == "file") {
                var sFileName = oInput.value;
                if (sFileName.length > 0) {
                    var blnValid = false;
                    for (var j = 0; j < _validFileExtensions.length; j++) {
                        var sCurExtension = _validFileExtensions[j];
                        if (sFileName.substr(sFileName.length - sCurExtension.length, sCurExtension.length).toLowerCase() == sCurExtension.toLowerCase()) {
                            blnValid = true;
                            break;
                        }
                    }

                    if (!blnValid) {
                        alert("Invalid file type.");
                        $('input[type=submit]').prop('disabled', true);
                        return false;
                    }

                }
            }
        }
        return true;
    }
  }

</script>


<script>

var countDownDate=new Date();
var timeTotal=15;

var x = setInterval(function() {
  var now = new Date().getTime();

  // Find the distance between now and the count down date
  var distance =now-countDownDate;
  var seconds = Math.floor((distance % (1000 * 60)) / 1000);
  var downSeconds=(seconds-timeTotal)*-1;


  document.getElementById("sec").innerHTML = "Your session will expire in " + downSeconds + " seconds. ";

  // If the count down is finished, write expired
  if (seconds> timeTotal) {
  clearInterval(x);
  document.getElementById("sec").innerHTML = "SESSION EXPIRED. Please upload a file again. ";
  }

}, 1000); //delay time to show message

</script>

<?php deleteFile();?>

<!--wait for 30 secs to delete the file if user does not click download -->

<?php

function deleteFile(){
$time_out=false;
$time_limit = 15000; //15 seconds
clearstatcache();
$current_time = time();
$file_creation_time = filectime('uploads/'.$newName);
clearstatcache();

echo $current_time;
echo "  ";
echo $file_creation_time;


$difference = $current_time - $file_creation_time;

 $seconds = floor(($difference % (1000 * 60)) / 1000);
//echo $difference;


//difference
if ((!empty($userFile))&& ($difference >= $time_limit)) {

    unlink('uploads/'.$newName);
        }
}
?>


</body>
</html>