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signup.php
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<?php
require_once('functions.php');
if(isset($_SESSION['loggedin'])){
redirect('login.php');
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<title>Signup | <?php echo site_name?></title>
<?php
require_once('includes/tags.php');
?>
</head>
<body class="">
<div class="form-div">
<div class="left-display-div-background">
<div class="left-display-div-overlay">
<span>
<h2 class="">
Signup to manage your account
</h2>
<p class="">Enter every detail correctly</p>
</span>
</div>
</div>
<form action="signup.php" method="post" id="signup-form">
<div class="form-holder">
<span class="header-sm">
<h4 class="">
Signup to manage your account
</h4>
<p class="">Enter every detail correctly</p>
</span>
<?php
if(isset($_POST) && isset($_POST['username']) && isset($_POST['g-token'])){
$username = $_POST['username'];
$email = $_POST['email'];
$password = $_POST['password'];
$cpassword = $_POST['c-password'];
$token = $_POST['g-token'];
if(count_rows("SELECT Count(*) FROM users WHERE status=?",['active'])[1] >= MAX_REG){
echo '<div class="unsuccessful">
Number of registrations exceeded, max '.MAX_REG.'.
</div>';
}else{
// check if captcha is valid
if(check_captcha($token)){
if(validate($email,$password,$username,$cpassword,'signup')[1]){
//check for duplicate email
$emails = stmtselect("SELECT email FROM users WHERE email=?",[$email]);
if(!$emails){
//inserting a new user into db
$v_code = md5(rand());
$user_id = md5(rand());
$hashed_password = password_hash($password, PASSWORD_BCRYPT);
$success = stmtinsert("INSERT INTO
users (username, email, password,status,privilege,v_code,user_id)
VALUES(?,?,?,?,?,?,?)",
[$username,$email,$hashed_password,'active','admin',$v_code,$user_id]);
if($success){
echo '<div class="successful">
Account creation successful <a href="login.php">Login<a>
</div>';
}
redirect_delay(2,'login.php');
}else{
echo '<div class="unsuccessful">
Email already exists
</div>';
}
}else if(!validate($email,$password,$username,$cpassword,'signup')[1]){
$errors = validate($email,$password,$username,$cpassword,'signup')[0];
echo '<div class="unsuccessful">';
foreach($errors as $e){
echo ' '.$e.'. ';
}
echo '</div>';
}
}else{
echo '<div class="unsuccessful">
Invalid captcha
</div>';
}
}
}
?>
<input type="hidden" id="g-token" name="g-token">
<div class="input-control">
<label for="username">Username</label>
<input type="text" name="username" id="username">
<div class="error"></div>
</div>
<div class="input-control">
<label for="email">Email</label>
<input type="email" name="email" id="email">
<div class="error"></div>
</div>
<div class="input-control">
<label for="password">Password</label>
<input type="password" name="password" id="password">
<div class="error"></div>
</div>
<div class="input-control">
<label for="c-password">Confirm password</label>
<input type="password" name="c-password" id="c-password">
<div class="error"></div>
</div>
<div class="form-footer-flex">
<div>
Already have an account? <a href="login.php">Login</a>
</div>
</div>
<input class="submit-btn" type="submit" name="signup-btn" value="Register">
</div>
</form>
</div>
<!-- google recatpcha -->
<script src='https://www.google.com/recaptcha/api.js?render=<?php echo site_key;?>'></script>
<!-- input validation -->
<script>
// console.log(site_key)
window.addEventListener('load',()=>{
//asigning captcha token
try{
grecaptcha.ready(function() {
grecaptcha.execute('<?php echo site_key; ?>', {action: 'submit'}).then(function(token) {
document.getElementById('g-token').value = token;
});
});
}catch(error){
console.log(error);
}
const sform = document.getElementById('signup-form');
const lform = document.getElementById('login-form');
const username = document.getElementById('username');
const email = document.getElementById('email');
const password = document.getElementById('password');
const cpassword = document.getElementById('c-password');
sform.addEventListener('submit', e => {
e.preventDefault();
if(validateInputs(sform) > 3){
sform.submit();
};
});
const setError = (element, message) => {
const inputControl = element.parentElement;
const errorDisplay = inputControl.querySelector('.error');
errorDisplay.innerText = message;
inputControl.classList.add('error');
inputControl.classList.remove('success')
}
const setSuccess = element => {
const inputControl = element.parentElement;
const errorDisplay = inputControl.querySelector('.error');
errorDisplay.innerText = '';
inputControl.classList.add('success');
inputControl.classList.remove('error');
};
const isValidEmail = email => {
const re = /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
return re.test(String(email).toLowerCase());
}
const validateInputs = (form) => {
let count = 0;
const usernameValue = username.value.trim();
const emailValue = email.value.trim();
const passwordValue = password.value.trim();
const cpasswordValue = cpassword.value.trim();
if(usernameValue === '') {
setError(username, 'Username is required');
count --
} else if(usernameValue.length < 8 || usernameValue.length > 20){
setError(username, 'Username should be between 8 and 20 chars');
count --
} else {
setSuccess(username);
count ++
}
if(emailValue === '') {
setError(email, 'Email is required');
count --;
} else if (!isValidEmail(emailValue)) {
setError(email, 'Provide a valid email address');
count --;
} else {
setSuccess(email);
count ++;
}
if(passwordValue === '') {
setError(password, 'Password is required');
count --;
} else if(passwordValue.length < 8 ) {
setError(password, 'Password must be at least 8 character.')
count --;
} else {
setSuccess(password);
count ++;
}
if(cpasswordValue === '') {
setError(cpassword, 'Please confirm your password');
count --;
} else if (cpasswordValue !== passwordValue) {
setError(cpassword, "Passwords doesn't match");
count --;
} else {
setSuccess(cpassword);
count ++;
}
return count;
}
});
</script>
</body>
</html>