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<?php |
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|
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namespace FluentBooking\App\Http\Controllers; |
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|
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use FluentBooking\App\Modules\MCP\AbilitiesRegistrar; |
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use FluentBooking\App\Modules\MCP\MCPInit; |
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use FluentBooking\App\Modules\MCP\Support\PermissionGate; |
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use FluentBooking\App\Modules\MCP\Tools\ContextTools; |
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use FluentBooking\Framework\Http\Request\Request; |
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use FluentBooking\Framework\Support\Arr; |
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|
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/** |
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* Settings surface for the MCP server (FluentBooking → Settings → MCP for AI |
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* Agents). |
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* |
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* Bound to SettingsPolicy, whose verifyRequest() requires `manage_all_data`. |
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* Writes additionally require `manage_options`: enabling MCP exposes booking |
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* and attendee data to any client holding an application password, which is a |
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* site-administration decision rather than a scheduling one. The read endpoint |
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* reports `can_manage` so the UI can disable the controls instead of letting an |
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* operator submit a change that would be refused. |
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*/ |
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class McpController extends Controller |
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{ |
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/** |
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* "FluentHub" in the UI is the fluent-toolkit plugin, which can bundle the |
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* MCP adapter runtime. The standalone WordPress MCP Adapter plugin is the |
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* other accepted provider. |
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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 getSettings(Request $request) |
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{ |
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return array_merge([ |
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'settings' => [ |
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'enabled' => PermissionGate::isEnabled(), |
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'toolsets' => PermissionGate::enabledToolsets(), |
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], |
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'available_toolsets' => self::withCosts(PermissionGate::availableToolsets()), |
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'tools_count' => MCPInit::toolsCount(), |
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'can_manage' => current_user_can('manage_options'), |
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], self::statusFields()); |
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} |
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|
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public function updateSettings(Request $request) |
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{ |
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if (!current_user_can('manage_options')) { |
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return $this->sendError([ |
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'message' => __('Only site administrators can change MCP settings.', 'fluent-booking'), |
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], 403); |
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} |
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|
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$data = $request->get('settings', []); |
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|
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if (!is_array($data)) { |
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$data = []; |
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} |
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|
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// Absent keys keep their stored value rather than defaulting to off. A |
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// partial POST — a caller sending only `toolsets`, say — would otherwise |
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// read as "enabled: false" and silently switch the server off. |
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// |
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// Arr::isTrue(), never a (bool) cast: jQuery form-encodes the body, so |
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// an off toggle arrives as the STRING "false" and `(bool) "false"` is |
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// true — which makes the master switch one-way. |
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$enabled = array_key_exists('enabled', $data) |
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? (bool) Arr::isTrue($data, 'enabled') |
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: PermissionGate::isEnabled(); |
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|
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$toolsets = isset($data['toolsets']) && is_array($data['toolsets']) |
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? $data['toolsets'] |
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: PermissionGate::enabledToolsets(); |
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|
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// Toolsets first: enabling the server and its tool selection in one |
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// request should never leave a window where the server is live with a |
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// stale toolset list. |
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PermissionGate::setToolsets($toolsets); |
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PermissionGate::setEnabled($enabled); |
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|
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// get-booking-context reports the toolset list and names tools only the |
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// enabled toolsets expose, so its cache has to go with a toolset change. |
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ContextTools::invalidateCache(); |
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|
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return [ |
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'message' => __('MCP settings have been updated', 'fluent-booking'), |
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'settings' => [ |
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'enabled' => PermissionGate::isEnabled(), |
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'toolsets' => PermissionGate::enabledToolsets(), |
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], |
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'tools_count' => MCPInit::toolsCount(), |
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]; |
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} |
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|
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/** |
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* Install FluentHub (the fluent-toolkit plugin, which carries the MCP |
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* adapter) so the abilities become reachable without a manual upload. |
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* |
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* FluentBooking bundles no installer of its own. The actual download lives |
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* behind `fluent_toolkit/do_auto_install`, which a paid tier registers; the |
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* `fluent_toolkit/can_auto_install` filter reports whether that handler is |
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* present. With nothing registered (free-only), the endpoint returns the |
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* GitHub link so the operator can install it by hand. `install_plugins` is |
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* required either way — installing a plugin is a site-administration action. |
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*/ |
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public function installAdapter(Request $request) |
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{ |
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if (!current_user_can('install_plugins')) { |
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return $this->sendError([ |
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'message' => __('Sorry! You do not have permission to install plugins.', 'fluent-booking'), |
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], 403); |
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} |
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|
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$canAutoInstall = (bool) apply_filters('fluent_toolkit/can_auto_install', false); |
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|
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if (!$canAutoInstall) { |
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return $this->sendError([ |
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'message' => __('Please install FluentHub from GitHub, then reload this page to connect FluentBooking with AI agents.', 'fluent-booking'), |
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'toolkit_download_url' => self::TOOLKIT_DOWNLOAD_URL, |
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], 422); |
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} |
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|
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do_action('fluent_toolkit/do_auto_install'); |
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|
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wp_clean_plugins_cache(); |
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|
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$status = self::statusFields(); |
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|
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if (Arr::get($status, 'adapter_active')) { |
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$message = __('FluentHub is installed and connected. FluentBooking is now reachable by AI agents.', 'fluent-booking'); |
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} elseif (Arr::get($status, 'toolkit_active')) { |
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$message = __('FluentHub is installed and active, but its MCP adapter is not available yet. Update FluentHub to the MCP-ready build.', 'fluent-booking'); |
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} elseif (Arr::get($status, 'toolkit_installed')) { |
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$message = __('FluentHub was installed but could not be activated automatically. Activate it from the Plugins page.', 'fluent-booking'); |
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} else { |
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$message = __('FluentHub could not be installed automatically. Please install it from GitHub.', 'fluent-booking'); |
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} |
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|
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return array_merge(['message' => $message], $status); |
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} |
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|
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/** |
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* Adapter / FluentHub detection shared by the read endpoint and the install |
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* action so both report the same state after a change. |
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* |
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* @return array |
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*/ |
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private static function statusFields() |
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{ |
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$standaloneInstalled = self::isPluginPresent(self::ADAPTER_PLUGIN_FILE); |
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$standaloneActive = self::isPluginActive(self::ADAPTER_PLUGIN_FILE); |
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$toolkitInstalled = self::isToolkitPresent(); |
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$toolkitLoaded = self::isToolkitLoaded(); |
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$adapterAvailable = MCPInit::adapterAvailable(); |
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|
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// Which supplier is actually serving the adapter runtime. |
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if ($standaloneActive && $adapterAvailable) { |
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$provider = 'plugin'; |
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} elseif ($toolkitLoaded && $adapterAvailable) { |
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$provider = 'toolkit'; |
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} else { |
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$provider = ''; |
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} |
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$currentUser = wp_get_current_user(); |
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|
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return [ |
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'endpoint_url' => MCPInit::getEndpointUrl(), |
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'adapter_available' => $adapterAvailable, |
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'adapter_active' => $adapterAvailable, |
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// Any provider on disk (standalone adapter counts even when inactive). |
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'adapter_installed' => $adapterAvailable || $standaloneInstalled || $toolkitInstalled, |
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'adapter_provider' => $provider, |
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'adapter_version' => self::detectPluginVersion(self::ADAPTER_PLUGIN_FILE), |
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'standalone_adapter_installed' => $standaloneInstalled, |
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'toolkit_installed' => $toolkitInstalled, |
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'toolkit_active' => $toolkitLoaded, |
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'toolkit_version' => self::detectToolkitVersion(), |
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'can_install_adapter' => current_user_can('install_plugins'), |
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'can_auto_install_adapter' => (bool) apply_filters('fluent_toolkit/can_auto_install', false), |
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'toolkit_download_url' => self::TOOLKIT_DOWNLOAD_URL, |
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'app_password_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' => $currentUser ? $currentUser->user_login : '', |
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'is_local_dev' => self::detectLocalDevEnvironment(), |
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'pro_active' => defined('FLUENT_BOOKING_PRO_DIR_FILE'), |
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]; |
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} |
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|
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/** |
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* FluentHub loaded in this request (its constant is defined) or present on |
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* disk as an installed plugin. |
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* |
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* @return bool |
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*/ |
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private static function isToolkitPresent() |
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{ |
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return self::isToolkitLoaded() || self::isPluginPresent(self::TOOLKIT_PLUGIN_FILE); |
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} |
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|
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/** |
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* @return bool |
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*/ |
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private static function isToolkitLoaded() |
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{ |
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return defined('FLUENT_TOOLKIT_VERSION'); |
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} |
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|
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/** |
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* @return string|null |
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*/ |
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private static function detectToolkitVersion() |
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{ |
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if (self::isToolkitLoaded()) { |
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return (string) FLUENT_TOOLKIT_VERSION; |
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} |
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|
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return self::detectPluginVersion(self::TOOLKIT_PLUGIN_FILE); |
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} |
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|
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/** |
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* @param string $pluginFile |
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* |
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* @return bool |
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*/ |
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private static function isPluginPresent($pluginFile) |
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{ |
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return isset(self::installedPlugins()[$pluginFile]); |
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} |
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|
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/** |
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* @param string $pluginFile |
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* |
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* @return bool |
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*/ |
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private static function isPluginActive($pluginFile) |
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{ |
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if (!function_exists('is_plugin_active')) { |
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require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
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} |
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|
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return is_plugin_active($pluginFile); |
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} |
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|
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/** |
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* @param string $pluginFile |
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* |
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* @return string|null |
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*/ |
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private static function detectPluginVersion($pluginFile) |
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{ |
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$plugins = self::installedPlugins(); |
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|
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if (!isset($plugins[$pluginFile])) { |
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return null; |
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} |
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|
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return isset($plugins[$pluginFile]['Version']) ? $plugins[$pluginFile]['Version'] : null; |
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} |
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|
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/** |
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* @return array |
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*/ |
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private static function installedPlugins() |
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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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|
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return get_plugins(); |
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} |
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|
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/** |
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* Heuristic for a local development host, used to offer the self-signed-TLS |
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* override in the Claude Desktop connection snippet. Filterable so a real |
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* deployment on an unusual TLD can correct it. |
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* |
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* @return bool |
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*/ |
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private static function detectLocalDevEnvironment() |
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{ |
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$host = strtolower((string) wp_parse_url(home_url(), PHP_URL_HOST)); |
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$isDev = false; |
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|
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// .dev is intentionally excluded — it is a real public TLD (HSTS-preloaded), |
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// not a local-only suffix, so it must never trip the TLS-bypass hint. |
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$devTlds = ['.test', '.lab', '.local', '.localhost', '.docker']; |
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|
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foreach ($devTlds as $tld) { |
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$len = strlen($tld); |
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|
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if ($len > 0 && substr($host, -$len) === $tld) { |
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$isDev = true; |
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break; |
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} |
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} |
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|
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if (!$isDev && ($host === 'localhost' || $host === '127.0.0.1' || $host === '::1')) { |
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$isDev = true; |
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} |
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|
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if (!$isDev && filter_var($host, FILTER_VALIDATE_IP)) { |
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$isPrivate = !filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE); |
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|
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if ($isPrivate) { |
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$isDev = true; |
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} |
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} |
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|
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return (bool) apply_filters('fluent_booking/mcp_is_local_dev', $isDev, $host); |
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} |
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|
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/** |
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* Attach each toolset's tool count and rough context cost. |
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* |
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* Every tool definition sits in the AI client's context for the whole |
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* session whether it gets called or not, so the operator deciding whether |
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* to switch a toolset on is really deciding how much of their agent's |
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* working memory to spend. That number belongs on the toggle, not in a |
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* design document. |
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* |
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* The measurement itself lives on AbilitiesRegistrar so this and |
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* scripts/check-mcp-budget.php cannot report different figures for the |
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* same toolset. |
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* |
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* @param array $toolsets |
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* |
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* @return array |
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*/ |
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private static function withCosts($toolsets) |
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{ |
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foreach ($toolsets as $key => $meta) { |
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$definitions = AbilitiesRegistrar::getDefinitions([$key]); |
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|
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// Prompts are excluded: they are not in tools/list, and their |
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// bodies are fetched only when someone runs them. |
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$definitions = array_filter($definitions, function ($definition) { |
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return empty($definition['is_prompt']); |
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}); |
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|
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$bytes = 0; |
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|
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foreach ($definitions as $name => $definition) { |
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$bytes += AbilitiesRegistrar::wireBytes($name, $definition); |
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} |
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|
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$toolsets[$key]['tools_count'] = count($definitions); |
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$toolsets[$key]['approx_tokens'] = AbilitiesRegistrar::wireTokens($bytes); |
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} |
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|
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return $toolsets; |
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} |
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|
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} |
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|
