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admin_forgot_pass.php
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285 lines (248 loc) · 12.3 KB
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<?php
session_start();
if(isset($_SESSION['username']))
echo "<script>location.replace('home.php');</script>";
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://fonts.googleapis.com/css?family=Caveat&display=swap" rel="stylesheet">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
<?php include 'authenticate.php'; ?>
<?php
$usermail = $usermailerr = $email = $code = ""; $sent_time = 0; //for div class = "forgot_pass"
$otp = $otperr = ""; $receive_time = 0; //for div class = "type_code"
$password = $passerr = $confirmerr = ""; //for div class = "new_pass"
$message = "";
if(empty($_POST['next2']) || empty($_POST['next3']))
echo "<script>
$(document).ready(function() {
$('.forgot_pass').addClass('show');
$('.type_code').removeClass('show');
$('.new_pass').removeClass('show');
});
</script>";
$js1 = $js2 = $js3 = "<script></script>";
if($_SERVER["REQUEST_METHOD"] == 'POST') {
if(!empty($_POST['next1'])) {
echo "<script>
$(document).ready(function() {
$('.forgot_pass').addClass('show');
$('.type_code').removeClass('show');
$('.new_pass').removeClass('show');
});
</script>";
if(empty($_POST['usermail']))
$usermailerr = "Enter username or email.";
else {
$usermail = testIt($_POST['usermail']);
if(!filter_var($usermail, FILTER_VALIDATE_EMAIL))
$sql = "SELECT FIRSTNAME, LASTNAME, EMAIL FROM admins WHERE USERNAME = '$usermail'";
else
$sql = "SELECT FIRSTNAME, LASTNAME, EMAIL FROM admins WHERE EMAIL = '$usermail'";
$result = mysqli_query($conn, $sql);
if (mysqli_num_rows($result) > 0) {
while($entry = mysqli_fetch_assoc($result)) {
$email = $entry['EMAIL'];
$firstname = $entry['FIRSTNAME'];
$lastname = $entry['LASTNAME'];
}
}
else
$usermailerr = "Sorry, entered username or email is not associated with any account.";
}
if(empty($usermailerr)) {
$permitted_chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ@#$%&=?';
$code = substr(str_shuffle($permitted_chars),0,8);
$to = $email;
$subject = "Recovery of Account";
$msg = "
<html>
<body>
<p><strong>Mr/s. $firstname $lastname</strong>, here is your <strong>password resetting code</strong>.</p>
<h1 style=\"text-align:center\">$code</h1>
<h3><strong>Code is active for only 2 minutes.</strong></h3>
</body>
</html>
";
$header = "MIME-Version: 1.0" . "\r\n";
$header .= "Content-type:text/html;charset=UTF-8" . "\r\n";
$header .= "From: noreply@website_name.com" . "\r\n";
if(mail($to, $subject, $msg, $header)) {
$_SESSION["sent_time"] = time();
$_SESSION["code"] = md5($code);
$_SESSION["email"] = $email;
$js1 = "<script>
$(document).ready(function(){
$('.forgot_pass').collapse('hide');
$('.type_code').collapse('show');
});
</script>";
$message = "";
//echo $code;
}
else
$message = "Sorry, email containing password resetting code can't be send right now. Try again later!";
}
}
if(!empty($_POST['next2'])) {
$receive_time = time();
$sent_time = (isset($_SESSION['sent_time'])) ? $_SESSION['sent_time'] : 0;
$code = (isset($_SESSION['code'])) ? $_SESSION['code'] : "";
echo "<script>
$(document).ready(function() {
$('.forgot_pass').removeClass('show');
$('.type_code').addClass('show');
$('.new_pass').removeClass('show');
});
</script>";
if(empty($_POST['otp']))
$otperr = "Enter password resetting code.";
else {
unset($_SESSION['sent_time']);
unset($_SESSION['code']);
$otp = md5($_POST['otp']);
if($receive_time - $sent_time > 120)
$otperr = "Sorry, password resetting code is now destroyed.";
else if($otp === $code) {
$js2 = "<script>
$(document).ready(function() {
$('.type_code').collapse('hide');
$('.new_pass').collapse('show');
});
</script>";
$message = "";
}
else
$otperr = "Code didn't match. Please go back to receive another password resetting code.";
}
}
if(!empty($_POST['next3'])) {
echo "<script>
$(document).ready(function() {
$('.forgot_pass').removeClass('show');
$('.type_code').removeClass('show');
$('.new_pass').addClass('show');
});
</script>";
if(empty($_POST['password']))
$passerr = "Enter a password.";
else {
$password = $copy = $_POST['password'];
$password = trim($password);
$confirm = $_POST['confirm'];
if($password !== $copy)
$passerr = "Your password can't start or end with a blank space.";
else if(strlen($password) < 8)
$passerr = "Use 8 characters or more for your password.";
else if(strlen($password) > 30)
$passerr = "Use 30 characters or fewer for your password.";
else if(empty($confirm))
$confirmerr = "Confirm your password.";
else if($password !== $confirm)
$confirmerr = "Passwords didn't match. Please try again.";
else {
$password = md5(htmlspecialchars($password));
$email = (isset($_SESSION['email'])) ? $_SESSION['email'] : "";
if(!empty($email)) {
session_unset();
session_destroy();
$sql = "UPDATE admins SET PASSWORD = '$password' WHERE EMAIL = '$email'";
if(mysqli_query($conn, $sql) === TRUE)
echo "<script>alert(\"Password updated. Redirecting to sign in page.\");</script>";
else
echo "<script>alert(\"Sorry, unexpected error occured. Please try again later. Redirecting to sign in page.\");</script>";
echo "<script>location.replace('admin_signin.php');</script>";
}
}
}
}
}
function testIt($data) {
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
return $data;
}
?>
<title>Find Your Account</title>
<style>
.error {
color : red;
font-size: 0.8rem;
}
</style>
</head>
<body style="background-color:#ECEFF1;">
<nav class="navbar navbar-expand-sm bg-dark navbar-dark fixed-top shadow-lg">
<a class="navbar-brand" href="index.php">
<img class="mt-n1 pr-1" src="logo.png" alt="Logo" style="height:2rem;">
<strong style="font-family:'Caveat', 'Times New Roman', cursive; letter-spacing:4px;"> WebNotices</strong>
</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target=".links"><span class="navbar-toggler-icon"></span></button>
<div class="collapse navbar-collapse links">
<ul class="navbar-nav ml-auto">
<li class="nav-item"><a class="nav-link" href="student_signup.php">Sign up</a></li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" data-toggle="dropdown">Sign in</a>
<div class="dropdown-menu dropdown-menu-right">
<a class="dropdown-item" href="admin_signin.php">Admin</a>
<a class="dropdown-item" href="student_signin.php">Student</a>
</div>
</li>
</ul>
</div>
</nav>
<div class="p-sm-4"></div>
<div style="background-color:white;" class="col-lg-4 col-md-5 col-sm-6 p-5 mx-auto mt-5 mb-sm-5 shadow-sm rounded">
<div class="forgot_pass connOne collapse">
<h2 class="text-center">Find your account</h2><br>
<form action="<?php echo htmlspecialchars($_SERVER['PHP_SELF']) ?>" method="post">
<h5 class="text-center">Enter your username or email</h5><br>
<input class="form-control" type="text" name="usermail" value="<?php echo $usermail; ?>" placeholder="Username or E-mail">
<div class="error mt-2"><?php echo $usermailerr; ?></div><br>
<input class="next col-4 btn btn-primary float-right" type="submit" name="next1" value="Next"><br><br>
</form>
<br>
<div class="text-center"><a href="admin_signin.php">Sign in</a></div>
</div>
<div class="type_code connOne connTwo collapse">
<h2 class="text-center">Find your account</h2><br>
<form action="<?php echo htmlspecialchars($_SERVER['PHP_SELF']) ?>" method="post">
<h5 class="text-center">Enter password resetting code sent to your email '<?php echo (isset($_SESSION['email']) ? $_SESSION['email'] : ""); ?>'</h5><br>
<input class="form-control" type="password" name="otp" placeholder="Password Resetting Code">
<div class="error mt-2"><?php echo $otperr; ?></div><br>
<button class="back col-4 btn btn-outline-primary" type="button" name="back2" data-toggle="collapse" data-target=".connOne">Back</button>
<input class="next col-4 btn btn-primary float-right" type="submit" name="next2" value="Next">
</form>
<br>
<div class="text-center"><a href="admin_signin.php">Sign in</a></div>
</div>
<div class="new_pass connTwo collapse">
<h2 class="text-center">Find your account</h2><br>
<form action="<?php echo htmlspecialchars($_SERVER['PHP_SELF']) ?>" method="post">
<h5 class="text-center">Set new password for your account</h5><br>
<input class="form-control" type="password" name="password" placeholder="Password">
<div class="error mt-2"><?php echo $passerr; ?></div><br>
<input class="form-control" type="password" name="confirm" placeholder="Confirm">
<div class="error mt-2"><?php echo $confirmerr; ?></div><br>
<button class="back col-4 btn btn-outline-primary" type="button" name="back3" data-toggle="collapse" data-target=".connTwo">Back</button>
<input class="next col-4 btn btn-primary float-right" type="submit" name="next3" value="Confirm">
</form>
<br>
<div class="text-center"><a href="admin_signin.php">Sign in</a></div>
</div>
</div>
<?php
echo $js1;
echo $js2;
if(!empty($message))
echo "<script>alert($message);</script>";
?>
</body>
</html>