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<?php
/**
* Elgg OpenID client
*
* This is a rewrite of the OpenID client written by Kevin Jardine for
* Curverider Ltd for Elgg 1.0-1.7.
*/
elgg_register_event_handler('init', 'system', 'openid_client_init');
/**
* OpenID client initialization
*/
function openid_client_init() {
elgg_extend_view('css/elgg', 'openid_client/css');
elgg_extend_view('js/elgg', 'openid_client/js');
elgg_extend_view('core/account/login_box', 'openid_client/login');
elgg_register_plugin_hook_handler('register', 'menu:openid_login', 'openid_client_setup_menu');
$base = elgg_get_plugins_path() . 'openid_client/actions/openid_client';
elgg_register_action('openid_client/login', "$base/login.php", 'public');
elgg_register_action('openid_client/register', "$base/register.php", 'public');
$base = elgg_get_plugins_path() . 'openid_client/lib';
elgg_register_library('openid_client', "$base/helpers.php");
elgg_register_event_handler('create', 'user', 'openid_client_set_subtype', 1);
// don't let OpenID users set their passwords
elgg_register_event_handler('pagesetup', 'system', 'openid_client_remove_email');
// the return to page needs to be public
elgg_register_plugin_hook_handler('public_pages', 'walled_garden', 'openid_client_public');
}
/**
* Set the correct subtype for OpenID users
*
* @param string $event Event name
* @param string $type Object type
* @param ElggUser $user New user
*/
function openid_client_set_subtype($event, $type, $user) {
$db_prefix = elgg_get_config('dbprefix');
$guid = (int)$user->getGUID();
$subtype_id = (int)add_subtype('user', 'openid');
$query = "UPDATE {$db_prefix}entities SET subtype = $subtype_id WHERE guid = $guid";
update_data($query);
}
/**
* Register login options
*
* @param string $hook
* @param string $type
* @param array $menu
* @param array $params
* @return array
*/
function openid_client_setup_menu($hook, $type, $menu, $params) {
$items = array(
'large' => array(
'google' => '',
'yahoo' => '',
),
'small' => array(
'blogger' => 'toggle',
'wordpress' => 'toggle',
),
);
$items = elgg_trigger_plugin_hook('register', 'openid_login', null, $items);
$priority = 100;
foreach ($items as $type => $providers) {
foreach ($providers as $provider => $toggle) {
$provider_name = elgg_echo("openid_client:provider:$provider");
$options = array(
'name' => $provider,
'text' => '<span></span>',
'title' => elgg_echo('openid_client:login:instructs', array($provider_name)),
'href' => "action/openid_client/login?openid_provider=$provider",
'is_action' => true,
'section' => $type,
'priority' => $priority,
);
if ($toggle) {
$options['link_class'] = 'openid-client-toggle';
$options['rel'] = $provider;
}
$menu[] = ElggMenuItem::factory($options);
$priority += 10;
}
}
return $menu;
}
/**
* Remove the password view from the account settings form
*/
function openid_client_remove_email() {
$page_owner = elgg_get_page_owner_entity();
if ($page_owner && elgg_instanceof($page_owner, 'user', 'openid')) {
elgg_unextend_view('forms/account/settings', 'core/settings/account/password');
}
}
/**
* Add pages to the list of public pages for walled garden needed for OpenID
* transaction
*
* @param string $hook Hook name
* @param string $type Hook type
* @param array $pages Array of public pages
* @return array
*/
function openid_client_public($hook, $type, $pages) {
$pages[] = 'action/openid_client/login';
$pages[] = 'mod/openid_client/return.php';
$pages[] = 'action/openid_client/register';
return $pages;
}
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