Jetpack_Protect_Module::get_protect_key PHP Method

    public function get_protect_key()
    {
        $protect_blog_id = Jetpack_Protect_Module::get_main_blog_jetpack_id();
        // If we can't find the the blog id, that means we are on multisite, and the main site never connected
        // the protect api key is linked to the main blog id - instruct the user to connect their main blog
        if (!$protect_blog_id) {
            $this->api_key_error = __('Your main blog is not connected to WordPress.com. Please connect to get an API key.', 'jetpack');
            return false;
        }
        $request = array('jetpack_blog_id' => $protect_blog_id, 'bruteprotect_api_key' => get_site_option('bruteprotect_api_key'), 'multisite' => '0');
        // Send the number of blogs on the network if we are on multisite
        if (is_multisite()) {
            $request['multisite'] = get_blog_count();
            if (!$request['multisite']) {
                global $wpdb;
                $request['multisite'] = $wpdb->get_var("SELECT COUNT(blog_id) as c FROM {$wpdb->blogs} WHERE spam = '0' AND deleted = '0' and archived = '0'");
            }
        }
        // Request the key
        Jetpack::load_xml_rpc_client();
        $xml = new Jetpack_IXR_Client(array('user_id' => get_current_user_id()));
        $xml->query('jetpack.protect.requestKey', $request);
        // Hmm, can't talk to wordpress.com
        if ($xml->isError()) {
            $code = $xml->getErrorCode();
            $message = $xml->getErrorMessage();
            $this->api_key_error = sprintf(__('Error connecting to WordPress.com. Code: %1$s, %2$s', 'jetpack'), $code, $message);
            return false;
        }
        $response = $xml->getResponse();
        // Hmm. Can't talk to the protect servers ( api.bruteprotect.com )
        if (!isset($response['data'])) {
            $this->api_key_error = __('No reply from Jetpack servers', 'jetpack');
            return false;
        }
        // There was an issue generating the key
        if (empty($response['success'])) {
            $this->api_key_error = $response['data'];
            return false;
        }
        // Key generation successful!
        $active_plugins = Jetpack::get_active_plugins();
        // We only want to deactivate BruteProtect if we successfully get a key
        if (in_array('bruteprotect/bruteprotect.php', $active_plugins)) {
            Jetpack_Client_Server::deactivate_plugin('bruteprotect/bruteprotect.php', 'BruteProtect');
        }
        $key = $response['data'];
        update_site_option('jetpack_protect_key', $key);
        return $key;
    }