if (isset($_SERVER["PHP_AUTH_USER"])) {
$user = $_SERVER["PHP_AUTH_USER"];
$pass = $_SERVER["PHP_AUTH_PW"];
} elseif (isset($_SERVER["HTTP_AUTHORIZATION"])) {
if (substr($_SERVER["HTTP_AUTHORIZATION"], 0, 5) == "Basic") {
$userpass = split(":",
base64_decode(substr($_SERVER["HTTP_AUTHORIZATION"], 6)));
$user = $userpass[0];
$pass = $userpass[1];
}
}
$auth = false;
$pwfile = fopen("users.txt", "r");
while (!feof($pwfile)) {
$data = split(":", rtrim(fgets($pwfile, 1024)));
if ($user == $data[0] && crypt($pass, "pw") == $data[1]) {
$auth = true;
break;
}
}
fclose($pwfile);
if (!$auth) {
header("WWW-Authenticate: Basic realm=\"PHP\"");
header("HTTP/1.0 401 Unauthorized");
} else {
echo("Welcome, $user!");
}
?>