/**
* Update the Facebook page information stored for the site.
*
* @since 1.1
*
* @uses update_option()
* @global Facebook_Loader $facebook_loader request app access secret to hash app access token
* @param array $page_data data returned from Facebook Graph API permissions call
* @return void
*/
public static function update_publish_to_page($page_data)
{
global $facebook_loader;
if (!(is_array($page_data) && !empty($page_data) && isset($page_data['id']))) {
return;
}
$current_user_id = get_current_user_id();
if (!$current_user_id) {
return;
}
if (!class_exists('Facebook_User')) {
require_once dirname(dirname(__FILE__)) . '/facebook-user.php';
}
// request access token based on current user session and specified page
$write_pages = Facebook_User::get_permissioned_pages('CREATE_CONTENT');
if (!($write_pages && is_array($write_pages) && isset($write_pages[$page_data['id']]) && isset($write_pages[$page_data['id']]['name']) && isset($write_pages[$page_data['id']]['access_token']))) {
return;
}
if (!class_exists('Facebook_WP_Extend')) {
require_once dirname(dirname(__FILE__)) . '/includes/facebook-php-sdk/class-facebook-wp.php';
}
// get long lived access token
$access_token = Facebook_WP_Extend::exchange_token($write_pages[$page_data['id']]['access_token']);
if (!$access_token) {
return;
}
$value = array('id' => $page_data['id'], 'name' => $write_pages[$page_data['id']]['name'], 'access_token' => $access_token, 'set_by_user' => $current_user_id);
if (isset($write_pages[$page_data['id']]['link'])) {
$value['link'] = $write_pages[$page_data['id']]['link'];
}
if (isset($facebook_loader->credentials['app_secret'])) {
$value['appsecret_proof'] = hash_hmac('sha256', $access_token, $facebook_loader->credentials['app_secret']);
}
update_option(self::OPTION_PUBLISH_TO_PAGE, $value);
}
