| 1 |
<?php |
| 2 |
|
| 3 |
namespace FluentCart\App\Http\Controllers; |
| 4 |
|
| 5 |
use FluentCart\App\Modules\MCP\MCPInit; |
| 6 |
use FluentCart\App\Modules\MCP\Support\PermissionGate; |
| 7 |
use FluentCart\Framework\Http\Request\Request; |
| 8 |
|
| 9 |
/** |
| 10 |
* Backend for the Settings → Features & addon → MCP card. |
| 11 |
* |
| 12 |
* The MCP feature stores its on/off state under the `mcp` key of the shared |
| 13 |
* `fluent_cart_modules_settings` blob (autoloaded — no extra query on init). |
| 14 |
* It still owns its own status/toggle/snippet endpoints (instant toggle + the |
| 15 |
* connection helpers) rather than riding the shared modules save; toggle() |
| 16 |
* read-modify-writes only the `mcp` key so the rest of the blob is untouched. |
| 17 |
*/ |
| 18 |
class McpSettingsController extends Controller |
| 19 |
{ |
| 20 |
const TOOLKIT_PLUGIN_FILE = 'fluent-toolkit/fluent-toolkit.php'; |
| 21 |
|
| 22 |
/** GitHub link shown when no Pro plugin can auto-install the toolkit. */ |
| 23 |
const TOOLKIT_DOWNLOAD_URL = 'https://github.com/WPManageNinja/fluent-toolkit'; |
| 24 |
|
| 25 |
/** Status payload for the MCP card: enabled state, endpoint, adapter, snippet helpers. */ |
| 26 |
public function status() |
| 27 |
{ |
| 28 |
$user = wp_get_current_user(); |
| 29 |
|
| 30 |
return [ |
| 31 |
'mcp_enabled' => PermissionGate::isEnabled(), |
| 32 |
'adapter_available' => MCPInit::adapterAvailable(), |
| 33 |
'toolkit_installed' => $this->isToolkitInstalled(), |
| 34 |
'can_auto_install' => (bool) apply_filters('fluent_toolkit/can_auto_install', false), |
| 35 |
'toolkit_download_url' => self::TOOLKIT_DOWNLOAD_URL, |
| 36 |
'endpoint_url' => MCPInit::getEndpointUrl(), |
| 37 |
'tools_count' => MCPInit::toolsCount(), |
| 38 |
'app_passwords_url' => admin_url('profile.php#application-passwords-section'), |
| 39 |
'plugins_url' => admin_url('plugins.php'), |
| 40 |
'current_user_login' => ($user && $user->exists()) ? $user->user_login : '', |
| 41 |
'is_local_dev' => $this->isLocalDev(), |
| 42 |
]; |
| 43 |
} |
| 44 |
|
| 45 |
/** |
| 46 |
* One-click FluentHub install. The free plugin can only detect + trigger; |
| 47 |
* the actual installer lives in a Fluent Pro plugin (FluentCart Pro, or any |
| 48 |
* Fluent product) that hooks the site-wide `fluent_toolkit/*` contract. With |
| 49 |
* no Pro present we hand back the manual download link. |
| 50 |
*/ |
| 51 |
public function installAdapter() |
| 52 |
{ |
| 53 |
if (!current_user_can('install_plugins')) { |
| 54 |
return $this->sendError([ |
| 55 |
'message' => __('Sorry, you do not have permission to install plugins.', 'fluent-cart'), |
| 56 |
]); |
| 57 |
} |
| 58 |
|
| 59 |
$canAutoInstall = (bool) apply_filters('fluent_toolkit/can_auto_install', false); |
| 60 |
if (!$canAutoInstall) { |
| 61 |
return $this->sendError([ |
| 62 |
'message' => __('Automatic install needs FluentCart Pro (or another Fluent Pro plugin). Install FluentHub manually, then reload this page to connect FluentCart with AI agents.', 'fluent-cart'), |
| 63 |
'toolkit_download_url' => self::TOOLKIT_DOWNLOAD_URL, |
| 64 |
]); |
| 65 |
} |
| 66 |
|
| 67 |
do_action('fluent_toolkit/do_auto_install'); |
| 68 |
|
| 69 |
wp_clean_plugins_cache(); |
| 70 |
|
| 71 |
$available = MCPInit::adapterAvailable(); |
| 72 |
|
| 73 |
return $this->sendSuccess([ |
| 74 |
'adapter_available' => $available, |
| 75 |
'toolkit_installed' => $this->isToolkitInstalled(), |
| 76 |
'message' => $available |
| 77 |
? __('FluentHub installed and activated. The MCP endpoint is ready.', 'fluent-cart') |
| 78 |
: __('FluentHub was installed. Please reload this page to finish connecting the MCP endpoint.', 'fluent-cart'), |
| 79 |
]); |
| 80 |
} |
| 81 |
|
| 82 |
/** Is FluentHub (the toolkit plugin) present on disk (installed, active or not)? */ |
| 83 |
private function isToolkitInstalled() |
| 84 |
{ |
| 85 |
if (defined('FLUENT_TOOLKIT_VERSION')) { |
| 86 |
return true; |
| 87 |
} |
| 88 |
|
| 89 |
if (!function_exists('get_plugins')) { |
| 90 |
require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
| 91 |
} |
| 92 |
|
| 93 |
$plugins = get_plugins(); |
| 94 |
|
| 95 |
return isset($plugins[self::TOOLKIT_PLUGIN_FILE]); |
| 96 |
} |
| 97 |
|
| 98 |
/** Flip the master switch. Writes the same blob key the server boot guard reads. */ |
| 99 |
public function toggle(Request $request) |
| 100 |
{ |
| 101 |
$value = $request->get('mcp_enabled'); |
| 102 |
$enabled = is_string($value) ? in_array(strtolower($value), ['yes', 'true', '1', 'on'], true) : (bool) $value; |
| 103 |
|
| 104 |
// setEnabled() fails closed when the user can't manage_options. Re-check |
| 105 |
// here so we return an error instead of a misleading success response. |
| 106 |
if (!current_user_can('manage_options')) { |
| 107 |
return $this->sendError([ |
| 108 |
'message' => __('Sorry, you do not have permission to change the MCP setting.', 'fluent-cart'), |
| 109 |
]); |
| 110 |
} |
| 111 |
|
| 112 |
PermissionGate::setEnabled($enabled); |
| 113 |
|
| 114 |
// Report the actually-persisted state, not the requested value, so the UI |
| 115 |
// can never show "enabled" for a write that didn't land. |
| 116 |
$stored = PermissionGate::isEnabled(); |
| 117 |
|
| 118 |
return $this->sendSuccess([ |
| 119 |
'mcp_enabled' => $stored, |
| 120 |
'message' => $stored |
| 121 |
? __('MCP enabled. AI agents with a valid app password can now reach the FluentCart tools.', 'fluent-cart') |
| 122 |
: __('MCP disabled. The endpoint will reject requests until re-enabled.', 'fluent-cart'), |
| 123 |
]); |
| 124 |
} |
| 125 |
|
| 126 |
/** |
| 127 |
* Connection snippets for EVERY supported client, in one response. They're |
| 128 |
* cheap server-side string templates, so we build them all at once rather |
| 129 |
* than round-tripping per tab — the UI just switches between cached entries. |
| 130 |
* |
| 131 |
* Credentials are NEVER sent here: each snippet carries placeholders the |
| 132 |
* browser fills in client-side, so an application password never round-trips |
| 133 |
* through the server. Only `local_dev` (TLS verification for Claude Desktop) |
| 134 |
* varies the output. |
| 135 |
*/ |
| 136 |
public function getConfigSnippets(Request $request) |
| 137 |
{ |
| 138 |
$endpoint = MCPInit::getEndpointUrl(); |
| 139 |
|
| 140 |
$localDevParam = $request->get('local_dev'); |
| 141 |
$isLocalDev = ($localDevParam === null || $localDevParam === '') |
| 142 |
? $this->isLocalDev() |
| 143 |
: in_array(strtolower((string) $localDevParam), ['yes', 'true', '1', 'on'], true); |
| 144 |
|
| 145 |
$clients = ['claude-code', 'claude-desktop', 'cursor', 'codex', 'generic']; |
| 146 |
$snippets = []; |
| 147 |
foreach ($clients as $client) { |
| 148 |
$snippets[$client] = $this->buildSnippet($client, $endpoint, $isLocalDev); |
| 149 |
} |
| 150 |
|
| 151 |
return [ |
| 152 |
'snippets' => $snippets, |
| 153 |
'endpoint' => $endpoint, |
| 154 |
'app_passwords_url' => admin_url('profile.php#application-passwords-section'), |
| 155 |
'is_local_dev' => $isLocalDev, |
| 156 |
]; |
| 157 |
} |
| 158 |
|
| 159 |
/** |
| 160 |
* Build a single client's connection snippet + instructions. Pure string |
| 161 |
* assembly — no DB, no credentials. |
| 162 |
*/ |
| 163 |
private function buildSnippet($client, $endpoint, $isLocalDev) |
| 164 |
{ |
| 165 |
$basic = '<base64(your-username:application-password)>'; |
| 166 |
$user = '<your-username>'; |
| 167 |
$pass = '<your-application-password>'; |
| 168 |
|
| 169 |
switch ($client) { |
| 170 |
case 'claude-desktop': |
| 171 |
$env = [ |
| 172 |
'WP_API_URL' => $endpoint, |
| 173 |
'WP_API_USERNAME' => $user, |
| 174 |
'WP_API_PASSWORD' => $pass, |
| 175 |
'OAUTH_ENABLED' => 'false', |
| 176 |
]; |
| 177 |
if ($isLocalDev) { |
| 178 |
$env['NODE_TLS_REJECT_UNAUTHORIZED'] = '0'; |
| 179 |
} |
| 180 |
$snippet = wp_json_encode([ |
| 181 |
'mcpServers' => [ |
| 182 |
'fluent-cart' => [ |
| 183 |
'command' => 'npx', |
| 184 |
'args' => ['-y', '@automattic/mcp-wordpress-remote@latest'], |
| 185 |
'env' => $env, |
| 186 |
], |
| 187 |
], |
| 188 |
], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES); |
| 189 |
$instructions = __('Add this to your Claude Desktop config (Settings → Developer → Edit Config), fill in your username + application password, then restart Claude Desktop.', 'fluent-cart'); |
| 190 |
break; |
| 191 |
|
| 192 |
case 'cursor': |
| 193 |
$snippet = wp_json_encode([ |
| 194 |
'mcpServers' => [ |
| 195 |
'fluent-cart' => [ |
| 196 |
'url' => $endpoint, |
| 197 |
'type' => 'http', |
| 198 |
'headers' => ['Authorization' => 'Basic ' . $basic], |
| 199 |
], |
| 200 |
], |
| 201 |
], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES); |
| 202 |
$instructions = __('Add to Cursor’s mcp.json, replacing the placeholder with base64 of "username:application-password".', 'fluent-cart'); |
| 203 |
break; |
| 204 |
|
| 205 |
case 'codex': |
| 206 |
$snippet = "Settings → Connect to a custom MCP\n\n" |
| 207 |
. "Name: fluent-cart\n" |
| 208 |
. "Transport: Streamable HTTP\n" |
| 209 |
. "URL: {$endpoint}\n\n" |
| 210 |
. "Header:\n Key: Authorization\n Value: Basic {$basic}"; |
| 211 |
$instructions = __('In Codex, add a custom MCP server with Streamable HTTP transport and the Authorization header above.', 'fluent-cart'); |
| 212 |
break; |
| 213 |
|
| 214 |
case 'generic': |
| 215 |
$snippet = "URL: {$endpoint}\n" |
| 216 |
. "Auth: Authorization: Basic {$basic}\n\n" |
| 217 |
. "# Quick test (curl base64-encodes for you):\n" |
| 218 |
. "curl -s -u '{$user}:{$pass}' \\\n" |
| 219 |
. " -X POST {$endpoint} \\\n" |
| 220 |
. " -H 'Content-Type: application/json' \\\n" |
| 221 |
. " -H 'Accept: application/json, text/event-stream' \\\n" |
| 222 |
. ' -d \'{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"c","version":"1.0"}}}\''; |
| 223 |
$instructions = __('Any MCP client that speaks Streamable HTTP can connect using this URL and a Basic auth header.', 'fluent-cart'); |
| 224 |
break; |
| 225 |
|
| 226 |
case 'claude-code': |
| 227 |
default: |
| 228 |
$client = 'claude-code'; |
| 229 |
$snippet = "claude mcp add \\\n" |
| 230 |
. " --transport http \\\n" |
| 231 |
. " fluent-cart {$endpoint} \\\n" |
| 232 |
. " --header \"Authorization: Basic {$basic}\""; |
| 233 |
$instructions = __('Run this in your terminal where Claude Code is installed, with base64 of "username:application-password".', 'fluent-cart'); |
| 234 |
break; |
| 235 |
} |
| 236 |
|
| 237 |
return [ |
| 238 |
'client' => $client, |
| 239 |
'snippet' => $snippet, |
| 240 |
'instructions' => $instructions, |
| 241 |
]; |
| 242 |
} |
| 243 |
|
| 244 |
/** |
| 245 |
* Best-effort "is this a local dev site?" check, used to default the TLS |
| 246 |
* override in the Claude Desktop snippet. Filterable for edge cases. |
| 247 |
*/ |
| 248 |
private function isLocalDev() |
| 249 |
{ |
| 250 |
$host = ''; |
| 251 |
$home = home_url(); |
| 252 |
if ($home) { |
| 253 |
$parsed = wp_parse_url($home, PHP_URL_HOST); |
| 254 |
$host = $parsed ? strtolower($parsed) : ''; |
| 255 |
} |
| 256 |
|
| 257 |
$isLocal = false; |
| 258 |
if ($host) { |
| 259 |
// Note: '.dev' is a real public HSTS-preloaded gTLD, not a local |
| 260 |
// suffix — excluded so a production .dev site isn't told to disable |
| 261 |
// TLS verification. |
| 262 |
foreach (['.test', '.local', '.localhost', '.lab'] as $tld) { |
| 263 |
if (substr($host, -strlen($tld)) === $tld) { |
| 264 |
$isLocal = true; |
| 265 |
break; |
| 266 |
} |
| 267 |
} |
| 268 |
if (!$isLocal && in_array($host, ['localhost', '127.0.0.1', '::1'], true)) { |
| 269 |
$isLocal = true; |
| 270 |
} |
| 271 |
} |
| 272 |
|
| 273 |
return (bool) apply_filters('fluent_cart/mcp_is_local_dev', $isLocal, $host); |
| 274 |
} |
| 275 |
} |
| 276 |
|
