Student-management-system/index.php at master · viduni/Student-management-system · GitHub

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<?php
	ob_start();
	session_start();
	require_once 'dbconnect.php';


	if ( isset($_SESSION['user'])!="" ) {
		header("Location: home.php");
		exit;
	}

	$error = false;

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


		$email = trim($_POST['email']);
		$email = strip_tags($email);
		$email = htmlspecialchars($email);

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


		if(empty($email)){
			$error = true;
			$emailError = "Please enter your email address.";
		} else if ( !filter_var($email,FILTER_VALIDATE_EMAIL) ) {
			$error = true;
			$emailError = "Please enter valid email address.";
		}

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


		if (!$error) {

			$password = hash('sha256', $pass);

			$res=mysql_query("SELECT userId, userName, userPass FROM users WHERE userEmail='$email'");
			$row=mysql_fetch_array($res);
			$count = mysql_num_rows($res);

			if( $count == 1 && $row['userPass']==$password ) {
				$_SESSION['user'] = $row['userId'];
				header("Location: home.php");
			} else {
				$errMSG = "Incorrect Credentials, Try again...";
			}

		}

	}
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Student Management System</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<link rel="stylesheet" href="style.css" type="text/css" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.0/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
  <link type="text/css" rel="stylesheet" href="CSS\style.css"></link>
<style>
.bg {


    /* Center and scale the image nicely */
    background-position: center;
    background-repeat: no-repeat;

}
</style>
</head>
<body class= "bg" background="images/2.jpg"  bgcolor="#000000" >
 <h1><center><b>Student Management System</b> </center></h1>
<div class="container">

	<div id="login-form">
    <form method="post" action="<?php echo htmlspecialchars($_SERVER['PHP_SELF']); ?>" autocomplete="off">


        	<div class="form-group">
            	<h2 class="">Sign In.</h2>
            </div>

        	<div class="form-group">
            	<hr />
            </div>

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

				?>
				<div class="form-group">
            	<div class="alert alert-danger">
				<?php echo $errMSG; ?>
                </div>
            	</div>
                <?php
			}
			?>

            <div class="form-group">

				<label for="email"> Email address: </label>
            	<input type="email" name="email" class="form-control" placeholder="Your Email" value="<?php echo $email; ?>" id="email"/>

				<span class="text-danger">
                <?php echo $emailError; ?>
				</span>
            </div>

            <div class="form-group">


				 <label for="pwd"> Password:</label>
            	<input type="password" name="pass" class="form-control" placeholder="Your Password"  id="pwd" />

				<span class="text-danger">
                <?php echo $passError; ?>
				</span>
            </div>

            <div class="form-group">
            	<hr />
            </div>

            <div class="form-group">
            	<button type="submit" class="btn btn-block btn-primary" name="btn-login">Sign In</button>
            </div>

            <div class="form-group">
            	<hr />
            </div>

            <div class="form-group">
            	<a href="register.php"><font color="black">Sign Up Here...</font></a>
            </div>

        </div>

    </form>
    </div>

</div>

</body>
</html>
<?php ob_end_flush(); ?>