Всё для ВебМастера

$tpl->set ( '{AJAX}', $ajax );

// social auth
if( $config['allow_social'] AND $config['allow_registration'] AND !$is_logged ) {

    include_once (ENGINE_DIR . '/data/socialconfig.php');

    if( !$_SESSION['state'] ) $_SESSION['state'] = md5(uniqid(rand(), TRUE));

    if( $social_config['vk'] ) {
        $social_params = array(
            'client_id'     => $social_config['vkid'],
            'redirect_uri'  => $config['https_home_url'] . "index.php?do=auth-social&provider=vk",
            'scope'         => 'offline,wall,email',
            'state'         => $_SESSION['state'],
            'response_type' => 'code'
        );

        $tpl->set( '[vk]', "" );
        $tpl->set( '[/vk]', "" );
        $tpl->set( '{vk_url}', 'https://oauth.vk.com/authorize' . '?' . https_build_query($social_params) );
    } else {
        $tpl->set_block( "'\\[vk\\](.*?)\\[/vk\\]'si", "" );
        $tpl->set( '{vk_url}', '' );
    }

    if( $social_config['od'] ) {
        $social_params = array(
            'client_id'     => $social_config['odid'],
            'redirect_uri'  => $config['https_home_url'] . "index.php?do=auth-social&provider=od&state=" . $_SESSION['state'],
            'response_type' => 'code'
        );

        $tpl->set( '[odnoklassniki]', "" );
        $tpl->set( '[/odnoklassniki]', "" );
        $tpl->set( '{odnoklassniki_url}', 'https://www.odnoklassniki.ru/oauth/authorize' . '?' . https_build_query($social_params) );
    } else {
        $tpl->set_block( "'\\[odnoklassniki\\](.*?)\\[/odnoklassniki\\]'si", "" );
        $tpl->set( '{odnoklassniki_url}', '' );
    }

    if( $social_config['fc'] ) {
        $social_params = array(
            'client_id'     => $social_config['fcid'],
            'redirect_uri'  => $config['https_home_url'] . "index.php?do=auth-social&provider=fc",
            'scope'         => 'public_profile, email',
            'display'       => 'popup',
            'state'         => $_SESSION['state'],
            'response_type' => 'code'
        );

        $tpl->set( '[facebook]', "" );
        $tpl->set( '[/facebook]', "" );
        $tpl->set( '{facebook_url}', 'httpss://www.facebook.com/dialog/oauth' . '?' . https_build_query($social_params) );
    } else {
        $tpl->set_block( "'\\[facebook\\](.*?)\\[/facebook\\]'si", "" );
        $tpl->set( '{facebook_url}', '' );
    }

    if( $social_config['google'] ) {
        $social_params = array(
            'client_id'     => $social_config['googleid'],
            'redirect_uri'  => $config['https_home_url'] . "index.php?do=auth-social&provider=google",
            'scope'         => 'httpss://www.googleapis.com/auth/userinfo.email httpss://www.googleapis.com/auth/userinfo.profile',
            'state'         => $_SESSION['state'],
            'response_type' => 'code'
        );

        $tpl->set( '[google]', "" );
        $tpl->set( '[/google]', "" );
        $tpl->set( '{google_url}', 'httpss://accounts.google.com/o/oauth2/auth'.'?' . https_build_query($social_params) );
    } else {
        $tpl->set_block( "'\\[google\\](.*?)\\[/google\\]'si", "" );
        $tpl->set( '{google_url}', '' );
    }

    if( $social_config['mailru'] ) {
        $social_params = array(
            'client_id'     => $social_config['mailruid'],
            'redirect_uri'  => $config['https_home_url'] . "index.php?do=auth-social&provider=mailru",
            'state'         => $_SESSION['state'],
            'response_type' => 'code'
        );

        $tpl->set( '[mailru]', "" );
        $tpl->set( '[/mailru]', "" );
        $tpl->set( '{mailru_url}', 'httpss://connect.mail.ru/oauth/authorize'.'?' . https_build_query($social_params) );
    } else {
        $tpl->set_block( "'\\[mailru\\](.*?)\\[/mailru\\]'si", "" );
        $tpl->set( '{mailru_url}', '' );
    }

    if( $social_config['yandex'] ) {
        $social_params = array(
            'client_id'     => $social_config['yandexid'],
            'redirect_uri'  => $config['https_home_url'] . "index.php?do=auth-social&provider=yandex",
            'state'         => $_SESSION['state'],
            'response_type' => 'code'
        );

        $tpl->set( '[yandex]', "" );
        $tpl->set( '[/yandex]', "" );
        $tpl->set( '{yandex_url}', 'httpss://oauth.yandex.ru/authorize' . '?' . https_build_query($social_params) );
    } else {
        $tpl->set_block( "'\\[yandex\\](.*?)\\[/yandex\\]'si", "" );
        $tpl->set( '{yandex_url}', '' );
    }

} else {

    $_SESSION['state'] = false;

    $tpl->set_block( "'\\[vk\\](.*?)\\[/vk\\]'si", "" );
    $tpl->set( '{vk_url}', '' );
    $tpl->set_block( "'\\[odnoklassniki\\](.*?)\\[/odnoklassniki\\]'si", "" );
    $tpl->set( '{odnoklassniki_url}', '' );
    $tpl->set_block( "'\\[facebook\\](.*?)\\[/facebook\\]'si", "" );
    $tpl->set( '{facebook_url}', '' );
    $tpl->set_block( "'\\[google\\](.*?)\\[/google\\]'si", "" );
    $tpl->set( '{google_url}', '' );
    $tpl->set_block( "'\\[mailru\\](.*?)\\[/mailru\\]'si", "" );
    $tpl->set( '{mailru_url}', '' );
    $tpl->set_block( "'\\[yandex\\](.*?)\\[/yandex\\]'si", "" );
    $tpl->set( '{yandex_url}', '' );
}
// social auth

<div class="sociallogin">
    [vk]<a href="{vk_url}" target="_blank"><img src="{THEME}/images/social/vkontakte.gif" /></a>[/vk]
    [odnoklassniki]<a href="{odnoklassniki_url}" target="_blank"><img src="{THEME}/images/social/odnoklassniki.gif" /></a>[/odnoklassniki]
    [facebook]<a href="{facebook_url}" target="_blank"><img src="{THEME}/images/social/facebook.gif" /></a>[/facebook]
    [mailru]<a href="{mailru_url}" target="_blank"><img src="{THEME}/images/social/mailru.gif" /></a>[/mailru]
    [yandex]<a href="{yandex_url}" target="_blank"><img src="{THEME}/images/social/yandex.gif" /></a>[/yandex]
    [google]<a href="{google_url}" target="_blank"><img src="{THEME}/images/social/google.gif" /></a>[/google]
</div>