/
register.php
252 lines (205 loc) · 7.97 KB
/
register.php
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<?php
require_once 'private/sqldetails.php';
require_once 'private/mysql_fix_string.php';
$username = $password = $email = $key = $fail = "";
$newline = '\n';
$success = 0;
$UN_fail = $PW_fail = $EM_fail = $KEY_fail = "";
$red_border = array("pw"=>"", "un"=>"", "key"=>"", "em"=>"");
$un_val = $key_val = $em_val = "";
if (isset($_POST['username']))
{
$username = fix_string($_POST['username']);
$un_val = $username;
}
if (isset($_POST['password']))
$password = fix_string($_POST['password']);
if (isset($_POST['email']))
{
$email = fix_string($_POST['email']);
$em_val = $email;
}
if (isset($_POST['key']))
{
$key = fix_string($_POST['key']);
$key_val = $key;
}
if (isset($_POST['submit']))
{
$fail = validate_username($username);
$fail .= validate_password($password);
$fail .= validate_email($email);
$fail .= validate_key($key);
if ($fail == "" && isset($_POST['username']) && isset($_POST['password']) &&
isset($_POST['email']) && isset($_POST['key']))
{
$connection = new mysqli($db_hostname, $db_username, $db_password, $db_database);
$un_temp = mysql_entities_fix_string($connection, $_POST['username']);
$pw_temp = mysql_entities_fix_string($connection, $_POST['password']);
$em_temp = mysql_entities_fix_string($connection, $_POST['email']);
$key_temp = mysql_entities_fix_string($connection, $_POST['key']);
$query = "SELECT * FROM users WHERE username='$un_temp'";
$query2 = "SELECT * FROM users WHERE email='$em_temp'";
$query3 = "SELECT used FROM user_keys WHERE user_key='$key_temp'";
$result = $connection->query($query);
$result2 = $connection->query($query2);
$result3 = $connection->query($query3);
if (!$result) die($connection->error);
elseif ($result->num_rows)
{
$UN_fail = "<div class='error_holder'>Username already taken.</div>";
$red_border["un"] = "style='border-color: red;'";
$result->close();
}
elseif (!$result2) die($connection->error);
elseif ($result2->num_rows)
{
$EM_fail = "<div class='error_holder'>The entered e-mail is already registred.</div>";
$red_border["em"] = "style='border-color: red;'";
$result2->close();
}
elseif (!$result3) die($connection->error);
elseif (!$result3->num_rows)
{
$KEY_fail = "<div class='error_holder'>You have entered an invalid key.</div>";
$red_border["key"] = "style='border-color: red;'";
$result3->close();
}
else
{
$row = $result3->fetch_array(MYSQLI_ASSOC);
$result->close();
if ($row['used'] == 1)
$KEY_fail = "<div class='error_holder'>The entered key has already been used.</div>";
elseif($row['used'] == 0)
{
$salt1 = "^´fdg";
$salt2 = "k9p.<";
$token = hash('ripemd128', "$salt1$pw_temp$salt2");
$query = "UPDATE user_keys SET used='1', user_used='$un_temp' WHERE user_key='$key_temp'";
$query2 = "INSERT INTO users (username, password, email)
VALUES('$un_temp', '$token', '$em_temp')";
$result = $connection->query($query);
if (!$result) die($connection->error);
$result2 = $connection->query($query2);
if (!$result2) die($connection->error);
$success = 1;
}
}
}
}
// Min length 1, max length 16, only a-z, A-Z, 0-9, - and _.
function validate_username($field)
{
if ($field == "") return "No username was entered<br>";
else if (strlen($field) > 16)
return "Username max length is 16 characters.";
else if (preg_match("/[^a-zA-Z0-9_-]/", $field))
return "Only letters, numbers, - and _ in usernames.";
else return "";
}
// Length 10-16 characters, only a-z, A-Z, 0-9, - and _.
function validate_password($field)
{
if ($field == "") return "No password was entered.";
else if (strlen($field) < 10) return "Passwords must be at least 10 characters.";
else if (strlen($field) > 16) return "Password max length is 16 characters.";
else if (preg_match("/[^a-zA-Z0-9_-]/", $field))
return "Only letters, numbers, - and _ in passwords.";
else return "";
}
// Length 10-64 characters, not invalid.
function validate_email($field)
{
if ($field == "") return "No e-mail was entered.";
else if (strlen($field) < 5) return "E-mail must be at least 5 characters.";
else if (strlen($field) > 64) return "E-mail max length is 64 characters.";
else if (!filter_var($field, FILTER_VALIDATE_EMAIL))
return "Invalid e-mail.";
else return "";
}
// Length 16, not invalid.
function validate_key($field)
{
if ($field == "")
return "No key was entered.";
else if (strlen($field) != 16)
return "You have entered an invalid key.";
else if (preg_match("/[^a-zA-Z0-9_-]/", $field))
return "You have entered an invalid key.";
else return "";
}
function error_div($string)
{
return "<div class='error_holder'>" . $string . "</div>";
}
function fix_string($string)
{
if (get_magic_quotes_gpc()) $string = stripslashes($string);
return htmlentities ($string);
}
if ($success == 0)
echo <<<_END
<html>
<head>
<link rel='stylesheet' type='text/css' href='css/register.css'>
<title> Register </title>
<script>
function validate(form)
{
fail = validateUsername(form.username.value);
fail += validatePassword(form.password.value);
if (fail == "") return true;
else { window.alert(fail); return false;}
}
function validateUsername(field)
{
if (/[^a-zA-Z0-9_-]/.test(field))
return "Only a-z, A-Z, 0-9, - and _ allowed in usernames.$newline";
else return "";
}
function validatePassword(field)
{
if (field.length < 10)
return "Passwords must be at least 10 characters.";
else if (/[^a-zA-Z0-9_-]/.test(field))
return "Only a-z, A-Z, 0-9, - and _ allowed in passwords.$newline";
else return "";
}
</script>
</head>
<body>
$fail
<div id='form_holder'>
<form method='post' action='register.php' onsubmit='return validate(this)'>
<input type='text' name='username' value='$un_val' $red_border[un] placeholder='Username' maxlength='16' required autofocus>
$UN_fail
<input type='password' name='password' $red_border[pw] placeholder='Password' maxlength='16' required>
$PW_fail
<input type='text' name='email' value='$em_val' $red_border[em] placeholder='E-mail' maxlength='64' required>
$EM_fail
<input type='key' name='key' value='$key_val' $red_border[key] placeholder='Key' maxlength='16' required>
$KEY_fail
<input type='submit' name='submit' value='Register'>
</form>
</div>
</body>
</html>
_END;
elseif ($success == 1)
{
echo <<<_END
<html>
<head>
<link rel='stylesheet' type='text/css' href='css/register.css'>
<title> Register </title>
</head>
<body>
<div id='form_holder'>
<p>The registration was successful. You can now <a href='login.php'>login</a></p>
</div>
</body>
</html>
_END;
}
?>