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<?php
// Include config file
require_once "config.php";
// Define variables and initialize with empty values
$username = $password = $confirm_password = "";
$username_err = $password_err = $confirm_password_err = "";
// Processing form data when form is submitted
if ($_SERVER["REQUEST_METHOD"] == "POST"){
// Validate username
if (empty($_POST["username"]))
$username_err = "Enter a username.";
else if (preg_match("[a-zA-Z0-9_]+", $_POST["username"]) != false)
$username_err = "Invalid username.";
else {
// Prepare a select statement
$sql = "SELECT id FROM users WHERE username = ?";
if ($stmt = mysqli_prepare($link, $sql)){
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($stmt, "s", $param_username);
// Set parameters
$param_username = trim($_POST["username"]);
// Attempt to execute the prepared statement
if(mysqli_stmt_execute($stmt)){
// store result
mysqli_stmt_store_result($stmt);
if(mysqli_stmt_num_rows($stmt) == 1){
$username_err = "This username is already taken.";
} else{
$username = trim($_POST["username"]);
}
} else{
echo "SQL failed. Idk, ask arf20.";
}
// Close statement
mysqli_stmt_close($stmt);
}
}
// Validate email
if (empty($_POST["email"]))
$username_err = "Enter a username.";
else if (filter_var($_POST["email"], FILTER_VALIDATE_EMAIL))
$username_err = "Invalid username.";
// Validate password
if (empty($_POST["password"]))
$password_err = "Enter a password.";
else if (length($_POST["password"]) < 8)
$password_err = "Password must have at least 8 characters.";
else if (preg_match("[a-zA-Z0-9!@^*$%&)(=+çñÇ[]{}-.,_:;]+", $_POST["password"]) != false)
$password_err = "Password must be in the format [a-zA-Z0-9!@^*$%&)(=+çñÇ[]{}-.,_:;].";
else
$password = $_POST["password"];
// Validate confirm password
if (empty($password_err) && ($password != $_POST["confirm_password"])) {
$confirm_password_err = "Password did not match.";
}
// Check input errors before inserting in database
if (empty($username_err) && empty($password_err) && empty($confirm_password_err)) {
// Prepare an insert statement
$sql = "INSERT INTO users (username, password) VALUES (?, ?)";
if ($stmt = mysqli_prepare($link, $sql)){
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($stmt, "ss", $param_username, $param_password);
// Set parameters
$param_username = $username;
$param_password = password_hash($password, PASSWORD_DEFAULT); // Creates a password hash
// Attempt to execute the prepared statement
if (mysqli_stmt_execute($stmt)){
// Redirect to login page
header("location: login.php");
} else {
echo "SQL failed. Idk ask arf20.";
}
// Close statement
mysqli_stmt_close($stmt);
}
}
// Close connection
mysqli_close($link);
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Register</title>
<link rel="stylesheet" type="text/css" href="arfCloud.css">
<link rel="stylesheet" type="text/css" href="/style.css">
</head>
<body>
<div class="wrapper">
<h2>ARFNET2 Register</h2>
<p>For those who don't want their data sold</p>
<form action="register.php" method="post">
<div class="form-group row <?php echo (!empty($username_err)) ? 'has-error' : ''; ?>">
<div class="column"><label>Username</label></div>
<div class="column"><input type="text" name="username" class="form-control" pattern="[a-zA-Z0-9_]+" value="<?php echo $username; ?>"></div>
<span class="help-block"><?php echo $username_err; ?></span>
</div>
<div class="form-group row <?php echo (!empty($mail_err)) ? 'has-error' : ''; ?>">
<div class="column"><label>Email address</label></div>
<div class="column"><input type="email" name="email" class="form-control" value="<?php echo $email; ?>"></div>
<span class="help-block"><?php echo $email_err; ?></span>
</div>
<div class="form-group row <?php echo (!empty($password_err)) ? 'has-error' : ''; ?>">
<div class="column"><label>Password</label></div>
<div class="column"><input type="password" name="password" class="form-control" pattern="[a-zA-Z0-9!@^*$%&)(=+çñÇ[]{}-.,_:;]+" value="<?php echo $password; ?>"></div>
<span class="help-block"><?php echo $password_err; ?></span>
</div>
<div class="form-group row <?php echo (!empty($confirm_password_err)) ? 'has-error' : ''; ?>">
<div class="column"><label>Confirm Password</label></div>
<div class="column"><input type="password" name="confirm_password" class="form-control" pattern="[a-zA-Z0-9!@^*$%&)(=+çñÇ[]{}-.,_:;]+" value="<?php echo $confirm_password; ?>"></div>
<span class="help-block"><?php echo $confirm_password_err; ?></span>
</div>
<div class="form-group">
<input type="submit" class="btn btn-primary" value="Submit">
<input type="reset" class="btn btn-default" value="Reset">
</div>
<p><a href="login.php">Login</a>.</p>
</form>
</div>
</body>
</html>
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