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register.php
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register.php
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<?php
session_start();
if(!isset($_POST['login']))
{
header('Location: registration.php');
exit();
}
else
{
define("LOGIN_MIN_LEN", 3);
define("LOGIN_MAX_LEN", 30);
define("PASS_MIN_LEN", 8);
define("PASS_MAX_LEN", 20);
$validation_flag = true;
$login = $_POST['login'];
if(strlen($login)<LOGIN_MIN_LEN || strlen($login)>LOGIN_MAX_LEN)
{
$validation_flag=false;
$_SESSION['e_login'] = "Nick musi posiadać od 3 do 30 znaków";
}
if(!ctype_alnum($login))
{
$validation_flag = false;
$_SESSION['e_login'] = "Login może składać się tylko z liter i cyfr (bez polskich znaków)";
}
$email = $_POST['email'];
$email_sanitized = filter_var($email, FILTER_SANITIZE_EMAIL);
if(!filter_var($email_sanitized, FILTER_VALIDATE_EMAIL) || $email_sanitized != $email)
{
$validation_flag = false;
$_SESSION['e_email'] = "Niepoprawny email";
}
$pass1 = $_POST['pass1'];
$pass2 = $_POST['pass2'];
if(strlen($pass1)<PASS_MIN_LEN || strlen($pass1)>PASS_MAX_LEN)
{
$validation_flag = false;
$_SESSION['e_pass'] = "Hasło musi składać od 8 do 20 znaków";
}
if($pass1 != $pass2)
{
$validation_flag = false;
$_SESSION['e_pass'] = "Podane hasła nie są identyczne";
}
$hashed_pass = password_hash($pass1, PASSWORD_DEFAULT);
if(!isset($_POST['regulations']))
{
$validation_flag = false;
$_SESSION['e_regulations'] = "Należy zaakceptować regulamin";
}
$captcha_secret = "6LcQM0oUAAAAAGeBUNzxFGnzUGUjRhi633lTzjUm";
$check_captcha = file_get_contents('https://www.google.com/recaptcha/api/siteverify?secret='.$captcha_secret.'&response='.$_POST['g-recaptcha-response']);
$recaptcha_response = json_decode($check_captcha);
if(!$recaptcha_response->success)
{
$validation_flag = false;
$_SESSION['e_captcha'] = "Potwierdź, że nie jesteś botem";
}
require_once "connect.php";
$connection = @new mysqli($host, $db_user, $db_password, $db_name);
if($connection->connect_errno!=0) // check if any error occured when connecting
{
echo "Error: ".$connection->connect_errno;
exit();
}
else
{
$connection->set_charset("utf8");
// check if email already in database
$result = $connection->query("SELECT id_u FROM users WHERE email='$email'");
if($result)
{
if($result->num_rows > 0)
{
$validation_flag = false;
$_SESSION['e_email'] = "Email już w użyciu";
}
$result->free_result();
}
else
{
$validation_flag = false;
$connection->close();
echo '<span style = "color: red;">Błąd serwera!</span>';
exit();
}
// check login exists
$result = $connection->query("SELECT id_u FROM users WHERE login='$login'");
if($result)
{
if($result->num_rows > 0)
{
$validation_flag = false;
$_SESSION['e_login'] = "Login już w użyciu";
}
$result->free_result();
}
else
{
$validation_flag = false;
$connection->close();
echo '<span style = "color: red;">Błąd serwera!</span>';
exit();
}
if($validation_flag) // all tests passed - register him
{
$sql_query = "INSERT INTO users VALUES(NULL, ?, ?, ?)";
$stmt = $connection->prepare($sql_query);
$login = htmlentities($login, ENT_QUOTES, "UTF-8");
$stmt->bind_param("sss", $login, $email, $hashed_pass);
if($stmt->execute())
{
$_SESSION['registration_success'] = true;
header('Location: welcome.php');
}
else
{
$connection->close();
echo '<span style = "color: red;">Błąd serwera!</span>';
exit();
}
}
else
{
header('Location: registration.php');
}
$connection->close(); // remember to close connection!
}
}
?>