Library-Management-System/index2.php at main · Shigal/Library-Management-System · GitHub

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<?php
	ob_start();
	session_start();
	include('db_conn.php');

	// it will never let you open index(login) page if session is set
	if ( isset($_SESSION['user'])!="" ) {
		header("Location: home.php");
		exit;
	}
	$nameError ="";
	$passError ="";
	$emailError="";
	$error = false;

	if( isset($_POST['btn-sign-in']) ) {

		// prevent sql injections/ clear user invalid inputs
		$name = trim($_POST['name']);
		$name = strip_tags($name);
		$name = htmlspecialchars($name);

		$pass = trim($_POST['pass']);
		$pass = strip_tags($pass);
		$pass = htmlspecialchars($pass);
//		$pass =md5($pass);

		// prevent sql injections / clear user invalid inputs

		if(empty($name)){
			$error = true;
			$nameError = "Please enter your name.";
		}


		if(empty($pass)){
			$error = true;
			$passError = "Please enter your password.";
		}

		// if there's no error, continue to login
		if (!$error) {

			 // password hashing using SHA256

			$res="SELECT * FROM login WHERE username='$name' and password='$pass'";
			$result=mysql_query($res);
			$count = mysql_num_rows($result); // if uname/pass correct it returns must be 1 row

			if( $count == 1 ) {
					while($row=mysql_fetch_array($result))
					{
				$_SESSION['user'] = $row['username'];
				header("Location:home.php");
					}
			} else {
				$errMSG = "Incorrect Credentials, Try again...";
			}

		}

	}

?>
<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <meta content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" name="viewport">
    <title>Sign In</title>
    <!-- Favicon-->
    <link rel="icon" href="../../favicon.ico" type="image/x-icon">

    <!-- Google Fonts -->
    <link href="plugins/iconfont/material-icons.css" rel="stylesheet" type="text/css">

    <!-- Bootstrap Core Css -->
    <link href="plugins/bootstrap/css/bootstrap.css" rel="stylesheet">

    <!-- Waves Effect Css -->
    <link href="plugins/node-waves/waves.css" rel="stylesheet" />

    <!-- Animation Css -->
    <link href="plugins/animate-css/animate.css" rel="stylesheet" />

    <!-- Custom Css -->
    <link href="css/style.css" rel="stylesheet">
</head>

<body class="login-page">
    <div class="login-box">
        <div class="logo">
            <b>LMS</b>
        </div>

		<?php
			if ( isset($errMSG) ) {

				?>
				 <?php echo $errMSG; ?>

                <?php
			}
			?>

        <div class="card">
            <div class="body">
                <form id="sign_in" method="POST" action="<?php echo htmlspecialchars($_SERVER['PHP_SELF']); ?>" autocomplete="off">
                    <div class="msg">Sign in</div>
                    <div class="input-group">
                        <span class="input-group-addon">
                            <i class="material-icons">person</i>
                        </span>
                        <div class="form-line">
                            <input type="text" class="form-control" name="name" placeholder="Username" required autofocus>
							<?php echo $nameError; ?>
                        </div>
                    </div>
                    <div class="input-group">
                        <span class="input-group-addon">
                            <i class="material-icons">lock</i>
                        </span>
                        <div class="form-line">
                            <input type="password" class="form-control" name="pass" placeholder="Password" required>
							<?php echo $passError; ?>
                        </div>
                    </div>
                    <div class="row">

                        <div class="col-xs-4">
                            <button class="btn btn-block bg-pink waves-effect" type="submit" name="btn-sign-in">SIGN IN</button>
                        </div>
                    </div>
                    <div class="row m-t-15 m-b--20">
                        <div class="col-xs-6">
                            <a href="#">Register Now!</a>
                        </div>
                        <div class="col-xs-6 align-right">
                            <a href="#">Forgot Password?</a>
                        </div>
                    </div>
                </form>
            </div>
        </div>
    </div>

    <!-- Jquery Core Js -->
    <script src="plugins/jquery/jquery.min.js"></script>

    <!-- Bootstrap Core Js -->
    <script src="plugins/bootstrap/js/bootstrap.js"></script>

    <!-- Waves Effect Plugin Js -->
    <script src="plugins/node-waves/waves.js"></script>

    <!-- Validation Plugin Js -->
    <script src="plugins/jquery-validation/jquery.validate.js"></script>

    <!-- Custom Js -->
    <script src="js/admin.js"></script>
    <script src="js/pages/examples/sign-in.js"></script>
</body>
</html>
<?php ob_end_flush(); ?>