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<?php |
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|
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namespace FluentCart\App\Modules\MCP\Support; |
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|
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use FluentCart\Api\ModuleSettings; |
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use FluentCart\App\Services\Permission\PermissionManager; |
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|
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/** |
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* Maps MCP abilities to FluentCart's existing capability model. The MCP user |
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* IS a WordPress user with a FluentCart shop role (super_admin / manager / |
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* worker / accountant), so we never invent a parallel permission system — we |
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* reuse PermissionManager, the same check the admin REST routes use. |
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* |
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* Two layers: |
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* - transport(): can this user reach the FluentCart MCP endpoint at all? |
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* - can()/canAny(): per-ability permission_callback gating. |
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* |
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* Annotations are UX hints only; THIS is the enforcement boundary. |
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*/ |
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class PermissionGate |
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{ |
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/** Per-ability check. Used inside permission_callback closures. */ |
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public static function can($permission) |
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{ |
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return PermissionManager::hasPermission($permission); |
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} |
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|
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/** True if the user holds ANY of the given capabilities. */ |
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public static function canAny(array $permissions) |
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{ |
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return PermissionManager::hasAnyPermission($permissions); |
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} |
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|
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/** |
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* Transport gate for the `fluent-cart` server. Reaching the endpoint at all |
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* requires (a) the feature is enabled and (b) the user holds at least a |
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* read-level FluentCart role. The adapter's default is merely |
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* current_user_can('read'), which is too loose for commerce data. |
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* |
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* Per-ability permission_callback still runs on top — a viewer who reaches |
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* the endpoint still can't refund or mutate. |
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*/ |
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public static function transport($request = null) |
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{ |
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if (!self::isEnabled()) { |
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return new \WP_Error( |
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'fluent_cart_mcp_disabled', |
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__('The FluentCart MCP server is disabled. Enable it in Settings → MCP.', 'fluent-cart') |
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); |
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} |
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|
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if (!is_user_logged_in()) { |
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return new \WP_Error( |
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'fluent_cart_mcp_unauthorized', |
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__('Authentication required to access the FluentCart MCP server.', 'fluent-cart') |
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); |
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} |
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|
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if (!PermissionManager::hasAnyPermission(self::readRoleCaps())) { |
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return new \WP_Error( |
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'fluent_cart_mcp_forbidden', |
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__('Your account does not have FluentCart access.', 'fluent-cart') |
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); |
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} |
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|
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return true; |
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} |
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|
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/** |
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* Any one of these means "has at least a FluentCart role." Kept as a method |
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* (not a const) so it can grow without touching call sites. |
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*/ |
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public static function readRoleCaps() |
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{ |
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return [ |
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'dashboard_stats/view', |
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'orders/view', |
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'products/view', |
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'customers/view', |
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'reports/view', |
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'subscriptions/view', |
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'coupons/view', |
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]; |
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} |
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|
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/** Write-level caps — used by the optional two-server (admin) hardening. */ |
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public static function writeRoleCaps() |
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{ |
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return [ |
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'orders/manage', |
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'orders/manage_statuses', |
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'orders/can_refund', |
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'products/edit', |
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'customers/manage', |
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'coupons/manage', |
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'subscriptions/manage', |
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]; |
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} |
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|
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/** |
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* The master on/off switch. Ships OFF; enabled from Settings → Features & |
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* addon → MCP. |
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* |
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* Stored under the `mcp` key of the shared `fluent_cart_modules_settings` |
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* option (autoloaded, so reading it here costs no extra query on init — |
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* unlike a dedicated meta option, which the boot guard would query on every |
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* request). Persisted via setEnabled(). |
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*/ |
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public static function isEnabled() |
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{ |
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return ModuleSettings::isActive('mcp'); |
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} |
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|
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/** |
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* Persist the master switch into the shared modules blob. Reads the RAW |
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* option (not the defaults-merged view) and rewrites only the `mcp` key so |
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* no other module's settings are touched. |
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*/ |
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public static function setEnabled($enabled) |
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{ |
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// Defense in depth: enabling MCP opens the whole tool surface. The REST |
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// route is is_super_admin-gated, but the fluent_kit/mcp_toggle_handlers |
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// path delegates auth to an external plugin — so re-check here. Both |
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// callers run in an admin request context (no CLI/system toggle exists). |
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if (!current_user_can('manage_options')) { |
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return false; |
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} |
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|
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$settings = get_option(ModuleSettings::MODULE_SETTINGS_OPTION, []); |
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if (!is_array($settings)) { |
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$settings = []; |
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} |
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|
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$mcp = (isset($settings['mcp']) && is_array($settings['mcp'])) ? $settings['mcp'] : []; |
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$mcp['active'] = $enabled ? 'yes' : 'no'; |
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$settings['mcp'] = $mcp; |
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|
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ModuleSettings::saveSettings($settings); |
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|
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return (bool) $enabled; |
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} |
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} |
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|
