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<?php
$path_extra = dirname(dirname(dirname(__FILE__)));
$path = ini_get('include_path');
$path = $path_extra . ':' . $path;
ini_set('include_path', $path);
require_once "Auth/OpenID/Server.php";
require_once "Auth/OpenID/Store/FileStore.php";
define('DEFAULT_STORE_DIR', '/tmp/php_example_store');
function serverRootURL()
{
$server = $_SERVER['SERVER_NAME'];
$req_port = $_SERVER['SERVER_PORT'];
list($proto, $_) = explode('/', $_SERVER['SERVER_PROTOCOL'], 2);
$proto = strtolower($proto);
if ($proto != 'http') {
trigger_error("I don't know how to build a URL for $proto",
E_USER_WARNING);
return false;
}
if (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on") {
$proto .= 's';
$default_port = '443';
} else {
$default_port = '80';
$port = ($req_port == '443') ? '' : (':' . $req_port);
}
$port = ($req_port == $default_port) ? "" : (":" . $req_port);
$pat = "%s://%s%s";
return sprintf($pat, $proto, $server, $port);
}
function getCurrentURL($full=false)
{
$tail = $full ? $_SERVER['REQUEST_URI'] : $_SERVER['SCRIPT_NAME'];
return serverRootURL() . $tail;
}
function getParentURL()
{
return serverRootURL() . dirname($_SERVER['SCRIPT_NAME']);
}
function relURL($path)
{
if (substr($path, 0, 1) != '/') {
$path = '/' . $path;
}
return getParentURL() . $path;
}
function newServer($store_dir=DEFAULT_STORE_DIR, $server_url=null)
{
if (!isset($server_url)) {
$server_url = getCurrentURL();
}
if (!file_exists($store_dir) && !mkdir($store_dir)) {
print "Could not create the FileStore directory '$store_path'. ".
" Please check the effective permissions.";
exit(0);
}
$store = new Auth_OpenID_FileStore($store_dir);
return new Auth_OpenID_Server($server_url, &$store);
}
function returnKV($kv)
{
header('Content-Type: text/plain; charset=us-ascii');
print $kv;
}
function redirect($redir_url)
{
header('Location: ' . $redir_url);
header('Content-Type: text/plain; charset=us-ascii');
print 'Please wait; you are being redirected to ' . $redir_url;
}
function showError($error, $status, $message)
{
header('HTTP/1.1 ' . $status . ' ' . $message);
header('Content-Type: text/plain; charset=us-ascii');
print "An error occurred when processing your request:\n$error\n\n";
var_export($_SERVER);
}
function linkURL($url) {
$esc_url = htmlspecialchars($url, ENT_QUOTES);
return "<a href='$esc_url'>$esc_url</a>";
}
$parent = getParentURL();
$success_identity = relURL('success.php');
$failure_identity = relURL('failure.php');
$server_url = relURL('server.php');
$esc_server = htmlspecialchars($server_url, ENT_QUOTES);
$esc_success = htmlspecialchars($success_identity, ENT_QUOTES);
$esc_failure = htmlspecialchars($failure_identity, ENT_QUOTES);
?>
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