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Signup.php
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378 lines (183 loc) · 7.47 KB
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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(trim($_POST["username"]))){
$username_err = "Please enter a 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 "Oops! Something went wrong. Please try again later. 1";
}
}
// Close statement
mysqli_stmt_close($stmt);
}
// Validate password
if(empty(trim($_POST['password']))){
$password_err = "Please enter a password.";
} elseif(strlen(trim($_POST['password'])) < 6){
$password_err = "Password must have atleast 6 characters.";
} else{
$password = trim($_POST['password']);
}
// Validate confirm password
if(empty(trim($_POST["confirm_password"]))){
$confirm_password_err = 'Please confirm password.';
} else{
$confirm_password = trim($_POST['confirm_password']);
if($password != $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($stmt)){
// Redirect to login page
header("location: login.php");
} else{
echo "Something went wrong. Please try again later. 2";
}
}
// Close statement
mysqli_stmt_close($stmt);
}
// Close connection
mysqli_close($link);
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<meta name="author" content="">
<title>HonestCraig</title>
<!-- Bootstrap core CSS -->
<link href="vendor/bootstrap/css/bootstrap.min.css" rel="stylesheet">
<!-- Custom styles for this template -->
<link href="stylesheet.css" type="text/css" rel="stylesheet">
</head>
<body style="background-color: #990000">
<nav class="navbar navbar-expand-lg navbar-dark bg-dark static-top">
<div class="container">
<a class="navbar-brand" href="#"></a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarResponsive">
<ul class="navbar-nav ml-auto">
<li class="nav-item ">
<a class="nav-link" href="index.php">Home</a>
</li>
<li class="nav-item">
<a class="nav-link active" href="account.php">Account</a>
</li>
<li class="nav-item">
<a class="nav-link" href="sell.php">Sell</a>
</li>
</ul>
</div>
</div>
</nav>
<br>
<div class="row" style="background-color: #990000">
<br>
<div class="col-2"></div>
<div class="col-2"></div>
<div class="col-4"style="background-color: #b9bec1">
<h1>Sign Up!</h1>
</div>
<div class="col-2"></div>
<div class="col-2"></div>
</div>
<br>
<!-- Page Content -->
<div class="container">
<!-- Page Heading -->
<div class="row" style= "background-color: #b9bec1">
</br>
<div class="col"></div>
<div class="col">
<p>Please fill this form to create an account.</p>
<form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
<div class="form-group <?php echo (!empty($username_err)) ? 'has-error' : ''; ?>">
<label>Username</label>
<input type="text" name="username"class="form-control" value="<?php echo $username; ?>">
<span class="help-block"><?php echo $username_err; ?></span>
</div>
<div class="form-group <?php echo (!empty($password_err)) ? 'has-error' : ''; ?>">
<label>Password</label>
<input type="password" name="password" class="form-control" value="<?php echo $password; ?>">
<span class="help-block"><?php echo $password_err; ?></span>
</div>
<div class="form-group <?php echo (!empty($confirm_password_err)) ? 'has-error' : ''; ?>">
<label>Confirm Password</label>
<input type="password" name="confirm_password" class="form-control" value="<?php echo $confirm_password; ?>">
<span class="help-block"><?php echo $confirm_password_err; ?></span>
</div>
<div class="form-group">
<input type="submit" class="btn btn-primary" value="Submit">
<input type="reset" class="btn btn-default" value="Reset">
</div>
<p>Already have an account? <a href="login.php">Login here</a>.</p>
</form>
</div>
<div class ="col"></div>
</div>
<!-- /.container -->
<!-- Bootstrap core JavaScript -->
<script src="vendor/jquery/jquery.min.js"></script>
<script src="vendor/bootstrap/js/bootstrap.bundle.min.js"></script>
<!--footer-->
<nav class="navbar navbar-dark bg-dark fixed-bottom">
<?php if( isset($_SESSION['username']) && !empty($_SESSION['username']) )
{
?>
<div class="container text-center">
<p class="navbar-text col-md-12 col-sm-12 col-xs-12 text-white">Copyrighted by HonestCraig<sup>©</sup>
<br>
Logged in as: <?php echo htmlspecialchars($_SESSION['username']); ?>
<br>
<a href="logout.php" class="btn btn-danger">Sign Out</a>
</p>
</div>
<?php }else{ ?>
<div class="container text-center">
<p class="navbar-text col-md-12 col-sm-12 col-xs-12 text-white">
Copyrighted by HonestCraig<sup>©
</div>
<?php } ?>>
</nav>
</body>
</html>