'xrds_simple_page',
'access callback' => TRUE,
'type' => MENU_CALLBACK,
);
$items['user/%user/xrds'] = array(
'page callback' => 'xrds_simple_page',
'page arguments' => array(1),
'access callback' => TRUE,
'type' => MENU_CALLBACK
);
return $items;
}
function xrds_simple_init() {
if (arg(0) == 'user' && is_numeric(arg(1))) {
$path = 'user/'. arg(1) .'/xrds';
}
else {
$path = 'xrds';
}
// Prevent any language modifications to the url by generating and using a
// fake language object.
$language = new stdClass();
$language->language = '';
$language->prefix = '';
$url = url($path, array('absolute' => TRUE, 'language' => $language));
drupal_set_header('X-XRDS-Location: '. $url);
drupal_set_header('X-Yadis-Location: '. $url);
drupal_set_html_head('');
drupal_set_html_head('');
}
function xrds_simple_page($account = NULL) {
$output = xrds_simple_document($account);
if ($output) {
drupal_set_header('Content-type: application/xrds+xml');
print $output;
}
}
/**
* Generates an XRDS document
*
* @param object $account A user account object to generate the XRDS for.
*/
function xrds_simple_document($account = NULL) {
$xrds = module_invoke_all('xrds', $account);
if (empty($xrds)) {
return FALSE;
}
$output = '' . "\n";
$output .= '' . "\n";
foreach ($xrds as $xrd) {
$output .= ' '."\n";
}
}
if (is_array($xrd['expires'])) {
foreach($xrd['expires'] as $expires) {
$output .= ' ' . check_plain($expires) . ''."\n";
}
}
foreach($xrd['services'] as $service) {
$output .= ' '."\n";
foreach($service['data'] as $element => $values) {
foreach($values as $value) {
if (!is_array($value)) {
$data = $value;
$value = array();
$value['data'] = $data;
$value['attributes'] = array();
}
$output .= ' <'. check_plain($element);
$output .= drupal_attributes($value['attributes']);
$output .= '>';
$output .= check_plain($value['data']) . '\n";
}
}
$output .= ' '."\n";
}
$output .= ' '."\n";
}
$output .= '';
return $output;
}
/**
* You need this to prevent some OpenID providers (e.g. Yahoo) from issuing
* warnings that your site is unreliable, when people log into your site
* using an OpenID identity from those providers. It would probably be part
* of the core OpenID module, if XRDS Simple was in core.
*/
function openid_xrds($account = NULL) {
module_load_include('inc', 'openid');
$xrds['openid_xrds'] = array(
'services' => array(
array('priority' => 0,
'data' => array(
'Type' => array(OPENID_NS_2_0 . '/return_to'),
'URI' => array(url('openid/authenticate', array('absolute' => true))),
),
),
),
);
return $xrds;
}