LMS/forgot_password.php at main · Laurel23/LMS · GitHub

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<?php
session_start();
include "connection.php";

$step = 1;
$error_message = "";
$success_message = "";

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    if (isset($_POST['email'])) {
        // Step 1: Verify email exists
        $email = trim($_POST['email']);
        if (empty($email)) {
            $error_message = "Please enter your email.";
        } else {
            $stmt = $db->prepare("SELECT id FROM users WHERE email = ?");
            $stmt->bind_param("s", $email);
            $stmt->execute();
            $stmt->store_result();
            if ($stmt->num_rows === 1) {
                $step = 2;
                $_SESSION['reset_email'] = $email;
            } else {
                $error_message = "Email not found.";
            }
            $stmt->close();
        }
    } elseif (isset($_POST['password']) && isset($_POST['confirm_password'])) {
        // Step 2: Update password
        $password = $_POST['password'];
        $confirm_password = $_POST['confirm_password'];
        if (empty($password) || empty($confirm_password)) {
            $error_message = "Please fill in all password fields.";
            $step = 2;
        } elseif ($password !== $confirm_password) {
            $error_message = "Passwords do not match.";
            $step = 2;
        } elseif (!isset($_SESSION['reset_email'])) {
            $error_message = "Session expired. Please start over.";
            $step = 1;
        } else {
            $email = $_SESSION['reset_email'];
            $password_hash = password_hash($password, PASSWORD_DEFAULT);
            $stmt = $db->prepare("UPDATE users SET password_hash = ? WHERE email = ?");
            $stmt->bind_param("ss", $password_hash, $email);
            if ($stmt->execute()) {
                $success_message = "Password updated successfully. You can now <a href='student_login.php'>login</a>.";
                unset($_SESSION['reset_email']);
                $step = 3;
            } else {
                $error_message = "Error updating password. Please try again.";
                $step = 2;
            }
            $stmt->close();
        }
    }
}
?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>Forgot Password | Booker Library</title>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet" />
    <style>
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f4f4f9;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
        }
        .container {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.1);
            width: 100%;
            max-width: 400px;
        }
        h2 {
            margin-bottom: 20px;
            text-align: center;
        }
        .error-message {
            color: #dc3545;
            margin-bottom: 15px;
            text-align: center;
        }
        .success-message {
            color: #28a745;
            margin-bottom: 15px;
            text-align: center;
        }
    </style>
</head>
<body>
    <div class="container">
        <?php if ($step === 1): ?>
            <h2>Forgot Password</h2>
            <?php if ($error_message): ?>
                <div class="error-message"><?php echo htmlspecialchars($error_message); ?></div>
            <?php endif; ?>
            <form method="post" action="forgot_password.php">
                <div class="form-group">
                    <label for="email">Enter your registered email address</label>
                    <input type="email" class="form-control" id="email" name="email" required />
                </div>
                <button type="submit" class="btn btn-primary btn-block">Next</button>
                <a href="student_login.php" class="btn btn-link btn-block">Back to Login</a>
            </form>
        <?php elseif ($step === 2): ?>
            <h2>Reset Password</h2>
            <?php if ($error_message): ?>
                <div class="error-message"><?php echo htmlspecialchars($error_message); ?></div>
            <?php endif; ?>
            <form method="post" action="forgot_password.php">
                <div class="form-group">
                    <label for="password">New Password</label>
                    <input type="password" class="form-control" id="password" name="password" required />
                </div>
                <div class="form-group">
                    <label for="confirm_password">Confirm New Password</label>
                    <input type="password" class="form-control" id="confirm_password" name="confirm_password" required />
                </div>
                <button type="submit" class="btn btn-primary btn-block">Reset Password</button>
            </form>
        <?php elseif ($step === 3): ?>
            <h2>Password Reset Successful</h2>
            <div class="success-message"><?php echo $success_message; ?></div>
        <?php endif; ?>
    </div>
</body>
</html>