Untitled

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

function mysqli_result($res,$row=0,$col=0){
    $numrows = mysqli_num_rows($res);
    if ($numrows && $row <= ($numrows-1) && $row >=0){
        mysqli_data_seek($res,$row);
        $resrow = (is_numeric($col)) ? mysqli_fetch_row($res) : mysqli_fetch_assoc($res);
        if (isset($resrow[$col])){
            return $resrow[$col];
        }
    }
    return false;
}

function redirectWithAccess($acesso) {
    switch ($acesso) {
        case 1:
            header ("location: reports.php");
            break;
        case 2:
            header ("location: projects.php");
            break;
        case 3:
            header ("location: backoffice.php");
            break;
        case 4:
            header ("location: admin.php");
            break;
    }
}

if(isset($_SESSION['usuario'])) {
    include "validacao.php";
    redirectWithAccess($_SESSION['acesso']);
}

if(isset($_POST["usuario"])) {

    $username = mysqli_real_escape_string($link, $_POST["usuario"]);
    $password = md5(mysqli_real_escape_string($link, $_POST["senha"]));

    if (strpos($username, "<") !== false || strpos($username, ">") !== false || strpos($password, "<") !== false || strpos($password, ">") !== false) {
        exit("<font color=red>Tente novamente.</font>");
    }

    $result = mysqli_query($link, "SELECT * FROM users WHERE user_email='$username'");

    $verifica = mysqli_num_rows($result);

    if($verifica == 0){

        echo "User not found.";

    }
    else{

        if($password != mysqli_result($result, 0, "user_pass")){
            echo "Incorrect Password.";
        }
        else{

            $acesso = mysqli_result($result, 0, "user_access");
            $nome = mysqli_result($result, 0, "user_name");
            $_SESSION['usuario'] = $username;
            $_SESSION['senha'] = $password;
            $_SESSION['acesso'] = $acesso;
            $_SESSION['user_name'] = $nome;
            redirectWithAccess($acesso);
        }

    }

}

?>
<html>
<head>
<link rel="stylesheet" href="tools/bootstrap.min.css" crossorigin="anonymous">
<link rel="stylesheet" href="tools/bootstrap-theme.min.css" crossorigin="anonymous">
<script src="tools/jquery.min.js"></script>

<script src="tools/bootstrap.min.js" crossorigin="anonymous"></script>
</head>
<body>
<br style='line-height:2.8;'/>

<div class='row' style='margin-bottom: 20px;'>
<div class='col-md-4'></div>
<div class='col-md-4'>
    <center>
        <img src='./images/logo-porsche.png' border='0' style='width: 60%;'>
    </center>
</div>
<div class='col-md-4'></div>
</div>

<div class='row'>
<div class='col-md-4'></div>
<div class='col-md-4'>
    <div class='panel panel-default'>
      <div class='panel-heading'>
        <h3 class='panel-title'>System access</h3>
    </div>
    <div class='panel-body'>
        <form method='post' >
          <div class='form-group'>
            <label for='exampleInputEmail1'>Email</label>
            <input type='text' class='form-control' id='exampleInputEmail1' name='usuario' placeholder='Email'>
        </div>
        <div class='form-group'>
            <label for='exampleInputPassword1'>Password</label>
            <input type='password' class='form-control' id='exampleInputPassword1' name='senha' placeholder='Password'>
        </div>
        <button type='submit' name='submit' class='btn btn-primary' aria-label='Right Align' style='background: #3E4146'>
            Enter
             <span class='glyphicon glyphicon-menu-right' aria-hidden='true' style='top: 2px;'></span>
        </button>
    </form>
</div>
</div>
</div>
<div class='col-md-4'></div>
</div>

<div class='row'>
  <div class='col-md-4'></div>
  <div class='col-md-4'>
      <center>
          <a href='#' onfocus=\"document.getElementById('forgot').style.visibility='visible'; document.getElementById('forgot_text').style.visibility='hidden';
          document.getElementById('error').style.visibility='hidden'; \">
          <div class='btn btn-default' role='button'>Forgot my password</div>
      </a>
  </center>
</div>
<div class='col-md-4'></div>

</div>

</body>

</html>