php Auth_OpenID_discoverWithoutYadis类(方法)实例源码

function Auth_OpenID_discoverWithYadis($uri, &$fetcher)
{
    // Discover OpenID services for a URI. Tries Yadis and falls back
    // on old-style <link rel='...'> discovery if Yadis fails.
    // Might raise a yadis.discover.DiscoveryFailure if no document
    // came back for that URI at all.  I don't think falling back to
    // OpenID 1.0 discovery on the same URL will help, so don't bother
    // to catch it.
    $openid_services = array();
    $http_response = null;
    $response = Services_Yadis_Yadis::discover($uri, $http_response, $fetcher);
    if ($response) {
        $identity_url = $response->uri;
        $openid_services = $response->xrds->services(array('filter_MatchesAnyOpenIDType'));
    }
    if (!$openid_services) {
        return @Auth_OpenID_discoverWithoutYadis($uri, $fetcher);
    }
    if (!$openid_services) {
        $body = $response->body;
        // Try to parse the response as HTML to get OpenID 1.0/1.1
        // <link rel="...">
        $service = Auth_OpenID_ServiceEndpoint::fromHTML($identity_url, $body);
        if ($service !== null) {
            $openid_services = array($service);
        }
    } else {
        $openid_services = Auth_OpenID_makeOpenIDEndpoints($response->uri, $openid_services);
    }
    return array($identity_url, $openid_services, $http_response);
}

function Auth_OpenID_discoverWithYadis($uri, $fetcher, $endpoint_filter = 'Auth_OpenID_getOPOrUserServices', $discover_function = null)
{
    // Discover OpenID services for a URI. Tries Yadis and falls back
    // on old-style <link rel='...'> discovery if Yadis fails.
    // Might raise a yadis.discover.DiscoveryFailure if no document
    // came back for that URI at all.  I don't think falling back to
    // OpenID 1.0 discovery on the same URL will help, so don't bother
    // to catch it.
    if ($discover_function === null) {
        $discover_function = array('Auth_Yadis_Yadis', 'discover');
    }
    $openid_services = array();
    $response = call_user_func_array($discover_function, array($uri, $fetcher));
    $yadis_url = $response->normalized_uri;
    $yadis_services = array();
    if ($response->isFailure() && !$response->isXRDS()) {
        return array($uri, array());
    }
    $openid_services = Auth_OpenID_ServiceEndpoint::fromXRDS($yadis_url, $response->response_text);
    if (!$openid_services) {
        if ($response->isXRDS()) {
            return Auth_OpenID_discoverWithoutYadis($uri, $fetcher);
        }
        // Try to parse the response as HTML to get OpenID 1.0/1.1
        // <link rel="...">
        $openid_services = Auth_OpenID_ServiceEndpoint::fromHTML($yadis_url, $response->response_text);
    }
    $openid_services = call_user_func_array($endpoint_filter, array($openid_services));
    return array($yadis_url, $openid_services);
}

function Auth_OpenID_discoverWithYadis($uri, &$fetcher)
{
    // Discover OpenID services for a URI. Tries Yadis and falls back
    // on old-style <link rel='...'> discovery if Yadis fails.
    // Might raise a yadis.discover.DiscoveryFailure if no document
    // came back for that URI at all.  I don't think falling back to
    // OpenID 1.0 discovery on the same URL will help, so don't bother
    // to catch it.
    $openid_services = array();
    $response = Auth_Yadis_Yadis::discover($uri, $fetcher);
    $yadis_url = $response->normalized_uri;
    $yadis_services = array();
    if ($response->isFailure()) {
        return array($uri, array());
    }
    $xrds =& Auth_Yadis_XRDS::parseXRDS($response->response_text);
    if ($xrds) {
        $yadis_services = $xrds->services(array('filter_MatchesAnyOpenIDType'));
    }
    if (!$yadis_services) {
        if ($response->isXRDS()) {
            return Auth_OpenID_discoverWithoutYadis($uri, $fetcher);
        }
        // Try to parse the response as HTML to get OpenID 1.0/1.1
        // <link rel="...">
        $openid_services = Auth_OpenID_ServiceEndpoint::fromHTML($yadis_url, $response->response_text);
    } else {
        $openid_services = Auth_OpenID_makeOpenIDEndpoints($yadis_url, $yadis_services);
    }
    $openid_services = Auth_OpenID_getOPOrUserServices($openid_services);
    return array($yadis_url, $openid_services);
}