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a guest Jun 18th, 2017 61 Never
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  1. <?php
  2.  
  3. require_once dir(__FILE__) . '/../db.php';
  4.  
  5. //get username and password info from the form, protecting against SQL injection
  6. $pass = mysql_real_escape_string($_POST["pass"]);
  7. $confirm = mysql_real_escape_string($_POST["confirm"]);
  8. $user = mysql_real_escape_string($_POST["name"]);
  9.  
  10. //validate user input
  11. if(!preg_match('/^[a-zA-Z0-9]{5,20}$/',$user)) {
  12. die ('Error: Usernames can only contain alphanumeric characters and must be between 5 and 20 characters in length.');
  13. }
  14.  
  15. if(!preg_match('/^[a-zA-Z0-9]{5,20}$/',$pass)) {
  16. die('Error: Passwords can only contain alphanumeric characters and must be between 5 and 20 characters in length.');
  17. }
  18.  
  19. if($pass != $confirm) {
  20. die('Error: Passwords do not match.');
  21. }
  22.  
  23. //make sure user doesn't already exist and if it doesn't, add new record to the database
  24. $result = mysql_query("SELECT login FROM accounts WHERE login='$user'");
  25.  
  26. if(mysql_num_rows($result)>0) {
  27. die ('Error: Username already exists.');
  28. }else{
  29. mysql_query("INSERT INTO accounts (login, password, accessLevel) VALUES ('".$_POST['name']."', '".base64_encode(pack('H*', sha1($_POST['pass'])))."', 0)")
  30. or die ('Error: ' . mysql_error());
  31. }
  32.  
  33. //report successful registration
  34. echo "Account created successfully.";
  35.  
  36. //close MySQL connection
  37. mysql_close();
  38.  
  39. ?>
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