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index.php
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<?php
ob_start();
session_start();
require_once 'dbconnect.php';
// it will never let you open index(login) page if session is set
if ( isset($_SESSION['user'])!="" ) {
header("Location: home.php");
exit;
}
$error = false;
if( isset($_POST['btn-login']) ) {
// prevent sql injections/ clear user invalid inputs
$phone = trim($_POST['phone']);
$phone = strip_tags($phone);
$phone = htmlspecialchars($phone);
$pass = trim($_POST['pass']);
$pass = strip_tags($pass);
$pass = htmlspecialchars($pass);
// prevent sql injections / clear user invalid inputs
if(empty($pass)){
$error = true;
$passError = "Please enter your password.";
}
// if there's no error, continue to login
if (!$error) {
$password = hash('sha256', $pass); // password hashing using SHA256
$res=mysql_query("SELECT userId, userName, userPass FROM staff WHERE userPhone='$phone'");
$row=mysql_fetch_array($res);
$count = mysql_num_rows($res); // if uname/pass correct it returns must be 1 row
if( $count == 1 && $row['userPass']==$password ) {
$_SESSION['user'] = $row['userId'];
header("Location: home.php");
} else {
$errMSG = "Incorrect Credentials, Try again...";
}
}
}
?>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Welcome to The Login Page</title>
<link rel="stylesheet" href="assets/css/bootstrap.min.css" type="text/css" />
<link rel="stylesheet" href="style.css" type="text/css" />
</head>
<body>
<nav class="navbar navbar-default navbar-fixed-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="home.php">NIVEVIS</a>
</div>
<div id="navbar" class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li><a href="register.php">Register</a></li>
<li class="active"><a href="index.php">Login</a></li>
</ul>
</div><!--/.nav-collapse -->
</div>
</nav>
<br/><br/>
<div class="container" style="background-image: url(./images/NIVEVIS.png); background-size: cover; background-position: center; background-repeat: no-repeat; height: 650px;"><br/><br/>
<div id="login-form">
<form method="post" action="<?php echo htmlspecialchars($_SERVER['PHP_SELF']); ?>" autocomplete="off">
<div class="col-md-12">
<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">
<span class="glyphicon glyphicon-info-sign"></span> <?php echo $errMSG; ?>
</div>
</div>
<?php
}
?>
<div class="form-group">
<div class="input-group">
<span class="input-group-addon"><span class="glyphicon glyphicon-phone"></span></span>
<input type="text" name="phone" class="form-control" placeholder="Your Phone Number (starting with 234)" value="<?php echo $phone; ?>" maxlength="40" />
</div>
<span class="text-danger"><?php echo $phoneError; ?></span>
</div>
<div class="form-group">
<div class="input-group">
<span class="input-group-addon"><span class="glyphicon glyphicon-lock"></span></span>
<input type="password" name="pass" class="form-control" placeholder="Your Password" maxlength="15" />
</div>
<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">Sign Up Here...</a>
</div>
</div>
</form>
</div>
</div>
</body>
</html>
<?php ob_end_flush(); ?>