<?php // authenticate.php

require_once 'login.php';

try

{

$pdo = new PDO($attr, $user, $pass, $opts);

}

catch (\PDOException $e)

{

throw new \PDOException($e->getMessage(), (int)$e->getCode());

}

if (isset($_SERVER['PHP_AUTH_USER']) &&

isset($_SERVER['PHP_AUTH_PW']))

{

$un_temp = sanitise($pdo, $_SERVER['PHP_AUTH_USER']);

$pw_temp = sanitise($pdo, $_SERVER['PHP_AUTH_PW']);

$query = "SELECT * FROM users WHERE username=$un_temp";

$result = $pdo->query($query);

if (!$result->rowCount()) die("User not found");

$row = $result->fetch();

$fn = $row['forename'];

$sn = $row['surname'];

$un = $row['username'];

$pw = $row['password'];

if (password_verify(str_replace("'", "", $pw_temp), $pw))

echo htmlspecialchars("$fn $sn : Hi $fn, you are now logged in as '$un'");

else die("Invalid username/password combination");

}

else

{

header('WWW-Authenticate: Basic realm="Restricted Area"');

header('HTTP/1.0 401 Unauthorized');

die ("Please enter your username and password");

}

function sanitise($pdo, $str)

}

?>