function LoginButton()
{
if (isset($_POST['logout'])) {
unset($_POST);
session_destroy();
return 'Logged out.';
}
if (!isset($_SESSION['sid']) && isset($_SERVER['REQUEST_METHOD'])) {
try {
// Change 'localhost' to your domain name.
$openid = new LightOpenID('http://endgame.tf');
//$openid = new LightOpenID('http://76.164.223.234');
//elseif ( is_v4() ) $openid = new LightOpenID( 'http://65.111.166.150' );
if (!$openid->mode) {
if (isset($_GET['login'])) {
$openid->identity = 'http://steamcommunity.com/openid';
header('Location: ' . $openid->authUrl());
}
return '<form action="?login" method="post"><input class="steamlogin" type="image" src="img/sits.gif" alt="Login With Steam"></form>';
} elseif ($openid->mode == 'cancel') {
return 'User has canceled authentication!';
} else {
if ($openid->validate()) {
$id = $openid->identity;
// identity is something like: http://steamcommunity.com/openid/id/76561197994761333
// we only care about the unique account ID at the end of the URL.
$ptn = "/^http:\\/\\/steamcommunity\\.com\\/openid\\/id\\/(7[0-9]{15,25}+)\$/";
preg_match($ptn, $id, $matches);
if (strlen($matches[1]) < 16) {
return 'Invalid steamid.';
}
//echo "User is logged in (steamID: $matches[1])\n";
//session_start();
database_login((int) $matches[1]);
$_SESSION['sid'] = (int) $matches[1];
//This is where the user's steamID is set, IMPORTANT.
if (isset($_SESSION['sid']) && is_numeric($_SESSION['sid']) == TRUE && !isset($_SESSION['currentUserName'])) {
$playerURL = "http://api.steampowered.com/ISteamUser/GetPlayerSummaries/v0002/?key=" . AKey() . "&steamids=" . $_SESSION['sid'] . "&format=json";
$playerData = json_decode(get_data($playerURL), true);
$_SESSION['currentUserName'] = $playerData['response']['players'][0]['personaname'];
//addUser( $_SESSION['sid'] );
header("Location: " . "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']);
}
} else {
return 'User is not logged in.';
}
}
} catch (ErrorException $e) {
return $e->getMessage();
}
} else {
return '<form action="' . $_SERVER['PHP_SELF'] . '" method="post"><INPUT TYPE = "Submit" Name = "logout" VALUE = "Log out"></form>';
}
}
$errors[] = 'The username field must not be empty.';
}
//if password is not set
if (!isset($_POST['user_pass'])) {
$errors[] = 'The password field must not be empty.';
}
//if there are errors of some description
if (!empty($errors)) {
echo 'Uh-oh.. a couple of fields are not filled in correctly..';
echo '<ul>';
foreach ($errors as $key => $value) {
echo '<li>' . $value . '</li>';
}
echo '</ul>';
} else {
$result = database_login($_POST['user_name'], $_POST['user_pass']);
//if there was an sql error
if ($result == database_SQL_ERROR) {
echo 'Something went wrong while signing in. Please try again later.';
} else {
if ($result == database_CREDENTIAL_ERROR) {
echo 'You have supplied a wrong user/password combination. Please try again.';
} else {
$_SESSION["signed_in"] = true;
echo 'Welcome, ' . $_SESSION['user_name'] . '. <a href="index.php">Proceed to the forum overview</a>.';
}
}
}
}
}
?>
