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<?php |
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|
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namespace FluentForm\App\Http\Controllers; |
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|
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use FluentForm\App\Modules\MCP\AbilitiesRegistrar; |
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use FluentForm\App\Modules\MCP\MCPInit; |
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use FluentForm\App\Modules\MCP\Support\PermissionGate; |
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|
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/** |
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* Backend for the FluentForm → Settings → MCP card. |
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* |
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* The MCP feature stores its on/off state in the dedicated, autoloaded |
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* _fluentform_mcp_settings option (PermissionGate::isEnabled/setEnabled). This |
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* controller owns the status / toggle / connection-snippet endpoints; the toggle |
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* is instant rather than riding the generic global-settings save. |
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*/ |
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class McpSettingsController extends Controller |
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{ |
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const TOOLKIT_PLUGIN_FILE = 'fluent-toolkit/fluent-toolkit.php'; |
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|
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const ADAPTER_PLUGIN_FILE = 'mcp-adapter/mcp-adapter.php'; |
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|
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const TOOLKIT_DOWNLOAD_URL = 'https://github.com/WPManageNinja/fluent-toolkit'; |
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|
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public function status() |
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{ |
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// The route policy only asks for fluentform_settings_manager, but every |
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// control this payload drives is manage_options-only — and it discloses |
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// the endpoint URL and the full tool catalogue. Match the toggle's bar. |
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if (!current_user_can('manage_options')) { |
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return $this->sendError([ |
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'message' => __('Sorry, you do not have permission to view the MCP settings.', 'fluentform'), |
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]); |
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} |
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|
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$user = wp_get_current_user(); |
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|
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// Count the same catalogue the card lists; MCPInit::toolsCount() applies |
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// the Pro ability-names filter and would drift from the visible list. |
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// Count only actually-available tools — the greyed Pro teasers are not. |
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$tools = AbilitiesRegistrar::catalogue(); |
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$availableCount = count(array_filter($tools, function ($tool) { |
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return !isset($tool['available']) || $tool['available']; |
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})); |
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|
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return $this->sendSuccess([ |
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'mcp_enabled' => PermissionGate::isEnabled(), |
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'adapter_available' => MCPInit::adapterAvailable(), |
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'adapter_installed' => $this->isToolkitInstalled() || $this->isPluginInstalled(self::ADAPTER_PLUGIN_FILE), |
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'toolkit_installed' => $this->isToolkitInstalled(), |
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'can_auto_install' => (bool) apply_filters('fluent_toolkit/can_auto_install', false), |
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'toolkit_download_url' => self::TOOLKIT_DOWNLOAD_URL, |
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'endpoint_url' => MCPInit::getEndpointUrl(), |
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'tools_count' => $availableCount, |
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'tools' => $tools, |
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'app_passwords_url' => admin_url('profile.php#application-passwords-section'), |
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'plugins_url' => admin_url('plugins.php'), |
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'current_user_login' => ($user && $user->exists()) ? $user->user_login : '', |
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'is_local_dev' => $this->isLocalDev(), |
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]); |
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} |
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|
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public function toggle() |
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{ |
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if (!current_user_can('manage_options')) { |
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return $this->sendError([ |
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'message' => __('Sorry, you do not have permission to change the MCP setting.', 'fluentform'), |
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]); |
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} |
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|
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$value = $this->request->get('mcp_enabled'); |
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$enabled = is_string($value) ? in_array(strtolower($value), ['yes', 'true', '1', 'on'], true) : (bool) $value; |
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|
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PermissionGate::setEnabled($enabled); |
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|
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$stored = PermissionGate::isEnabled(); |
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|
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return $this->sendSuccess([ |
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'mcp_enabled' => $stored, |
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'message' => $stored |
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? __('MCP enabled. AI agents with a valid application password can now reach the FluentForm tools.', 'fluentform') |
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: __('MCP disabled. The endpoint will reject requests until re-enabled.', 'fluentform'), |
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]); |
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} |
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|
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public function installAdapter() |
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{ |
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// Match the toggle's bar: enabling MCP and installing its adapter are |
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// both admin-only, so require manage_options in addition to the |
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// plugin-install capability. |
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if (!current_user_can('manage_options') || !current_user_can('install_plugins')) { |
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return $this->sendError([ |
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'message' => __('Sorry, you do not have permission to install plugins.', 'fluentform'), |
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]); |
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} |
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|
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$canAutoInstall = (bool) apply_filters('fluent_toolkit/can_auto_install', false); |
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if (!$canAutoInstall) { |
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return $this->sendError([ |
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'message' => __('Automatic install needs a Fluent Pro plugin. Install FluentHub / Fluent Toolkit manually, then reload this page to connect FluentForm with AI agents.', 'fluentform'), |
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'toolkit_download_url' => self::TOOLKIT_DOWNLOAD_URL, |
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]); |
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} |
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|
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do_action('fluent_toolkit/do_auto_install'); |
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|
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wp_clean_plugins_cache(); |
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|
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$available = MCPInit::adapterAvailable(); |
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|
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return $this->sendSuccess([ |
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'adapter_available' => $available, |
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'toolkit_installed' => $this->isToolkitInstalled(), |
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'message' => $available |
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? __('Adapter installed and activated. The MCP endpoint is ready.', 'fluentform') |
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: __('Adapter installed. Please reload this page to finish connecting the MCP endpoint.', 'fluentform'), |
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]); |
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} |
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|
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/** |
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* Connection snippets for every supported client. Credentials are never sent: |
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* each snippet carries placeholders the browser fills in, so an application |
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* password never round-trips through the server. |
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*/ |
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public function getConfigSnippets() |
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{ |
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if (!current_user_can('manage_options')) { |
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return $this->sendError([ |
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'message' => __('Sorry, you do not have permission to view the MCP connection details.', 'fluentform'), |
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]); |
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} |
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|
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$endpoint = MCPInit::getEndpointUrl(); |
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|
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// Determined server-side only. This flag decides whether the Claude |
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// Desktop snippet disables TLS certificate validation, so a caller must |
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// not be able to ask for it — a request parameter here meant a snippet |
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// that skips certificate checks could be produced on a production host. |
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$isLocalDev = $this->isLocalDev(); |
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|
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$clients = ['claude-code', 'claude-desktop', 'cursor', 'codex', 'generic']; |
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$snippets = []; |
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foreach ($clients as $client) { |
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$snippets[$client] = $this->buildSnippet($client, $endpoint, $isLocalDev); |
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} |
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|
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return $this->sendSuccess([ |
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'snippets' => $snippets, |
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'endpoint' => $endpoint, |
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'app_passwords_url' => admin_url('profile.php#application-passwords-section'), |
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'is_local_dev' => $isLocalDev, |
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]); |
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} |
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|
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private function isToolkitInstalled() |
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{ |
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if (defined('FLUENT_TOOLKIT_VERSION')) { |
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return true; |
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} |
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|
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return $this->isPluginInstalled(self::TOOLKIT_PLUGIN_FILE); |
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} |
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|
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private function isPluginInstalled($pluginFile) |
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{ |
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if (!function_exists('get_plugins')) { |
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require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
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} |
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$plugins = get_plugins(); |
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|
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return isset($plugins[$pluginFile]); |
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} |
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|
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private function buildSnippet($client, $endpoint, $isLocalDev) |
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{ |
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$basic = '<base64(your-username:application-password)>'; |
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$user = '<your-username>'; |
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$pass = '<your-application-password>'; |
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|
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switch ($client) { |
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case 'claude-desktop': |
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$env = [ |
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'WP_API_URL' => $endpoint, |
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'WP_API_USERNAME' => $user, |
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'WP_API_PASSWORD' => $pass, |
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'OAUTH_ENABLED' => 'false', |
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]; |
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// Local installs typically run behind a self-signed certificate |
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// that Node rejects outright. Only ever emitted for a host this |
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// server itself recognises as local, and always with the warning |
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// below attached so nobody copies it onto a live site. |
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if ($isLocalDev) { |
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$env['NODE_TLS_REJECT_UNAUTHORIZED'] = '0'; |
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} |
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$snippet = wp_json_encode([ |
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'mcpServers' => [ |
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'fluentform' => [ |
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'command' => 'npx', |
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'args' => ['-y', '@automattic/mcp-wordpress-remote@latest'], |
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'env' => $env, |
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], |
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], |
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], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES); |
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$instructions = __('Add this to your Claude Desktop config (Settings → Developer → Edit Config), fill in your username + application password, then restart Claude Desktop.', 'fluentform'); |
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if ($isLocalDev) { |
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$instructions .= ' ' . __('This site looks like a local development install, so the snippet sets NODE_TLS_REJECT_UNAUTHORIZED=0 to accept its self-signed certificate. That disables TLS verification for the client — remove that line before using this config against any site reachable over the internet.', 'fluentform'); |
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} |
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break; |
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|
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case 'cursor': |
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$snippet = wp_json_encode([ |
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'mcpServers' => [ |
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'fluentform' => [ |
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'url' => $endpoint, |
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'type' => 'http', |
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'headers' => ['Authorization' => 'Basic ' . $basic], |
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], |
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], |
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], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES); |
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$instructions = __('Fill your username and application password above — the base64 Authorization header is generated for you — then add this to Cursor’s mcp.json.', 'fluentform'); |
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break; |
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|
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case 'codex': |
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$snippet = "Settings → Connect to a custom MCP\n\n" |
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. "Name: fluentform\n" |
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. "Transport: Streamable HTTP\n" |
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. "URL: {$endpoint}\n\n" |
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. "Header:\n Key: Authorization\n Value: Basic {$basic}"; |
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$instructions = __('In Codex, add a custom MCP server with Streamable HTTP transport and the Authorization header above.', 'fluentform'); |
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break; |
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|
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case 'generic': |
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$snippet = "URL: {$endpoint}\n" |
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. "Auth: Authorization: Basic {$basic}\n\n" |
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. "# Quick test (curl base64-encodes for you):\n" |
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. "curl -s -u '{$user}:{$pass}' \\\n" |
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. " -X POST {$endpoint} \\\n" |
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. " -H 'Content-Type: application/json' \\\n" |
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. " -H 'Accept: application/json, text/event-stream' \\\n" |
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. ' -d \'{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"c","version":"1.0"}}}\''; |
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$instructions = __('Any MCP client that speaks Streamable HTTP can connect using this URL and a Basic auth header.', 'fluentform'); |
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break; |
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|
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case 'claude-code': |
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default: |
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$client = 'claude-code'; |
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$snippet = "claude mcp add \\\n" |
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. " --transport http \\\n" |
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. " fluentform {$endpoint} \\\n" |
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. " --header \"Authorization: Basic {$basic}\""; |
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$instructions = __('Fill your username and application password above — the base64 Authorization header is generated for you — then run this in the terminal where Claude Code is installed.', 'fluentform'); |
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break; |
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} |
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|
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// The browser fills credential placeholders into this template; it must |
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// escape them for the snippet's syntax (JSON string vs single-quoted shell |
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// arg). Declaring the format here keeps that contract on one side. |
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$jsonClients = ['claude-desktop', 'cursor']; |
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$shellClients = ['generic', 'claude-code']; |
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if (in_array($client, $jsonClients, true)) { |
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$format = 'json'; |
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} elseif (in_array($client, $shellClients, true)) { |
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$format = 'shell'; |
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} else { |
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$format = 'text'; |
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} |
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|
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return [ |
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'client' => $client, |
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'snippet' => $snippet, |
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'instructions' => $instructions, |
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'format' => $format, |
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]; |
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} |
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|
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private function isLocalDev() |
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{ |
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$host = ''; |
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$home = home_url(); |
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if ($home) { |
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$parsed = wp_parse_url($home, PHP_URL_HOST); |
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$host = $parsed ? strtolower($parsed) : ''; |
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} |
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|
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$isLocal = false; |
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if ($host) { |
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foreach (['.test', '.local', '.localhost', '.lab'] as $tld) { |
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if (substr($host, -strlen($tld)) === $tld) { |
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$isLocal = true; |
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break; |
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} |
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} |
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if (!$isLocal && in_array($host, ['localhost', '127.0.0.1', '::1'], true)) { |
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$isLocal = true; |
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} |
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} |
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|
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return (bool) apply_filters('fluentform/mcp_is_local_dev', $isLocal, $host); |
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} |
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} |
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|
