index.php

   1 <?php
   2 if(isset($_POST['pastecontent'])){ //User has submitted a new paste.
   3   //Let's check the latest inserted paste ID.
   4   $fp = fopen('private/currid.txt','rwb+') or die('fopen');
   5   for($i=0;!flock($fp,LOCK_EX)&&$i<100;$i++){ //Do not allow multiple checks at same time.
   6     usleep(50);
   7   }
   8
   9   $currId = fread($fp,2048) or die('fread');
  10   $pasteId = $currId + 1;
  11   ftruncate($fp,0) or die('ftruncate');
  12   fseek($fp,0) and die('fseek');
  13   fwrite($fp, $pasteId) or die('fwrite');
  14   fclose($fp) or die('fclose');
  15
  16   //Well.. now we just have to save the paste :o)
  17   $pasteFiletype = $_POST['pastefiletype'];
  18   $allowedFiletypes = array('php','html','asp','txt');
  19   if (!in_array($pasteFiletype,$allowedFiletypes)){
  20     $pasteFiletype = 'txt';
  21   }
  22   switch ($_POST['expire']){
  23   case 'day':
  24     $pasteExpire = strtotime("now +1 day");
  25     break;
  26   case 'month':
  27     $pasteExpire = strtotime("now +1 month");
  28     break;
  29   default:
  30     $pasteExpire = 0;
  31   }
  32   $prev = '0';
  33   if (isset($_POST['prev']) && is_numeric($_POST['prev'])){
  34     $prev = $_POST['prev'];
  35   }
  36
  37   $pasteName = $pasteId.'_'.$pasteFiletype.'_'.$pasteExpire.'_'.$prev; //FINISH THIS
  38   if (file_exists('pastes/'.$pasteName)){
  39     die('error');
  40   }
  41   $fp = fopen('pastes/'.$pasteName,'wb') or die('error fopen');
  42   fwrite($fp,$_POST['pastecontent']) or die('error fwrite');
  43   fclose($fp) or die('fclose');
  44 ?>
  45 <div><?php echo $_POST['pastecontent']; ?></div>
  46 <textarea rows=6 cols=30><?php echo $_POST['pastecontent']; ?></textarea>
  47 <?php
  48   die();
  49 }
  50 ?>
  51 <form action="" method="post">
  52         <select name="pastefiletype">
  53                 <option value="plain">Plain Text</option>
  54                 <option value="php" selected="selected">PHP</option>
  55         </select><br />
  56         <textarea name="pastecontent" style="width:400px;height:200px;"></textarea><br />
  57         I want my paste to expire after
  58         <input type="radio" name="expire" value="day" id="day"> <label for="day">a day</label>
  59         <input type="radio" name="expire" value="month" id="month"> <label for="month">a month</label>
  60         <input type="radio" name="expire" value="never" id="never" checked="checked"> <label for="never">never</label>
  61         <br />
  62         <input type="submit" value="Paste me!" />
  63 </form>