/**
Initiate OpenID authentication sequence
@return bool
@public
**/
function auth()
{
$root = self::$vars['PROTOCOL'] . '://' . $_SERVER['SERVER_NAME'];
if (!isset($this->trust_root)) {
$this->trust_root = $root . (self::$vars['BASE'] ?: '/');
}
if (!isset($this->return_to)) {
$this->return_to = $root . $_SERVER['REQUEST_URI'];
}
$this->mode = 'checkid_setup';
if (isset($this->provider)) {
// OpenID 2.0
$op = $this->provider;
if (!isset($this->claimed_id)) {
$this->claimed_id = $this->identity;
}
} elseif (isset($this->server)) {
// OpenID 1.1
$op = $this->server;
} else {
return FALSE;
}
$var = array();
foreach ($this->args as $key => $val) {
$var['openid.' . $key] = $val;
}
$fw = new F3instance();
$fw->reroute($op . '?' . http_build_query($var));
}
