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password_reset.php
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<?php
// Initialize the session
session_start();
// Check if the user is logged in, if not then redirect to login page
if(!isset($_SESSION['loggedin']) || $_SESSION['loggedin'] !== true){
header('location: login.php');
exit;
}
// Include config file
require_once 'config/config.php';
// Define variables and initialize with empty values
$new_password = $confirm_password = '';
$new_password_err = $confirm_password_err = '';
// Processing form data when form is submitted
if($_SERVER['REQUEST_METHOD'] == 'POST'){
// Validate new password
if(empty(trim($_POST['new_password']))){
$new_password_err = 'Please enter the new password.';
} elseif(strlen(trim($_POST['new_password'])) < 6){
$new_password_err = 'Password must have atleast 6 characters.';
} else{
$new_password = trim($_POST['new_password']);
}
// Validate confirm password
if(empty(trim($_POST['confirm_password']))){
$confirm_password_err = 'Please confirm the password.';
} else{
$confirm_password = trim($_POST['confirm_password']);
if(empty($new_password_err) && ($new_password != $confirm_password)){
$confirm_password_err = 'Password did not match.';
}
}
// Check input errors before updating the database
if(empty($new_password_err) && empty($confirm_password_err)){
// Prepare an update statement
$sql = 'UPDATE users SET password = ? WHERE id = ?';
if($stmt = $mysql_db->prepare($sql)){
// Set parameters
$param_password = password_hash($new_password, PASSWORD_DEFAULT);
$param_id = $_SESSION["id"];
// Bind variables to the prepared statement as parameters
$stmt->bind_param("si", $param_password, $param_id);
// Attempt to execute the prepared statement
if($stmt->execute()){
// Password updated successfully. Destroy the session, and redirect to login page
session_destroy();
header("location: login.php");
exit();
} else{
echo "Oops! Something went wrong. Please try again later.";
}
// Close statement
$stmt->close();
}
// Close connection
$mysql_db->close();
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Reset Password</title>
<link href="https://stackpath.bootstrapcdn.com/bootswatch/4.4.1/cosmo/bootstrap.min.css" rel="stylesheet" integrity="sha384-qdQEsAI45WFCO5QwXBelBe1rR9Nwiss4rGEqiszC+9olH1ScrLrMQr1KmDR964uZ" crossorigin="anonymous">
<style type="text/css">
.wrapper{
width: 500px;
padding: 20px;
}
.wrapper h2 {text-align: center}
.wrapper form .form-group span {color: red;}
</style>
</head>
<body>
<main class="container wrapper">
<section>
<h2>Reset Password</h2>
<p>Please fill out this form to reset your password.</p>
<form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
<div class="form-group <?php echo (!empty($new_password_err)) ? 'has-error' : ''; ?>">
<label>New Password</label>
<input type="password" name="new_password" class="form-control" value="<?php echo $new_password; ?>">
<span class="help-block"><?php echo $new_password_err; ?></span>
</div>
<div class="form-group <?php echo (!empty($confirm_password_err)) ? 'has-error' : ''; ?>">
<label>Confirm Password</label>
<input type="password" name="confirm_password" class="form-control">
<span class="help-block"><?php echo $confirm_password_err; ?></span>
</div>
<div class="form-group">
<input type="submit" class="btn btn-block btn-primary" value="Submit">
<a class="btn btn-block btn-link bg-light" href="welcome.php">Cancel</a>
</div>
</form>
</section>
</main>
</body>
</html>