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chatbot.php
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files.php
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workspace.php
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chatbot.php
1586 lines
| 1 | <?php |
| 2 | |
| 3 | // Params for the chatbot (front and server) |
| 4 | define( 'MWAI_CHATBOT_FRONT_PARAMS', [ 'id', 'customId', 'aiName', 'userName', 'guestName', 'aiAvatar', 'userAvatar', 'guestAvatar', 'aiAvatarUrl', 'userAvatarUrl', 'guestAvatarUrl', 'textSend', 'textClear', 'imageUpload', 'fileUpload', 'multiUpload', 'maxUploads', 'fileUploads', 'fileSearch', 'allowedMimeTypes', 'mode', 'textInputPlaceholder', 'textInputMaxLength', 'textCompliance', 'startSentence', 'localMemory', 'themeId', 'window', 'icon', 'iconText', 'iconTextDelay', 'iconAlt', 'iconPosition', 'iconSize', 'centerOpen', 'width', 'maxHeight', 'openDelay', 'iconBubble', 'windowAnimation', 'fullscreen', 'copyButton', 'pdfButton', 'headerSubtitle', 'popupTitle', 'containerType', 'headerType', 'messagesType', 'inputType', 'footerType', 'talkMode' ] ); |
| 5 | |
| 6 | define( 'MWAI_CHATBOT_SERVER_PARAMS', [ 'id', 'envId', 'scope', 'mode', 'contentAware', 'context', 'startSentence', 'embeddingsEnvId', 'embeddingsIndex', 'embeddingsNamespace', 'assistantId', 'instructions', 'resolution', 'voice', 'talkMode', 'model', 'temperature', 'maxTokens', 'contextMaxLength', 'maxResults', 'apiKey', 'functions', 'mcpServers', 'tools', 'historyStrategy', 'previousResponseId', 'parentBotId', 'crossSite', 'promptId', 'promptVariables', 'reasoningEffort', 'verbosity' ] ); |
| 7 | |
| 8 | // Params for the discussions (front and server) |
| 9 | define( 'MWAI_DISCUSSIONS_FRONT_PARAMS', [ 'themeId', 'textNewChat' ] ); |
| 10 | define( 'MWAI_DISCUSSIONS_SERVER_PARAMS', [ 'customId' ] ); |
| 11 | |
| 12 | class Meow_MWAI_Modules_Chatbot { |
| 13 | private $core = null; |
| 14 | private $namespace = 'mwai-ui/v1'; |
| 15 | private $siteWideChatId = null; |
| 16 | |
| 17 | public function __construct() { |
| 18 | global $mwai_core; |
| 19 | $this->core = $mwai_core; |
| 20 | $this->siteWideChatId = $this->core->get_option( 'botId' ); |
| 21 | |
| 22 | add_shortcode( 'mwai_chatbot', [ $this, 'chat_shortcode' ] ); |
| 23 | add_action( 'rest_api_init', [ $this, 'rest_api_init' ] ); |
| 24 | add_action( 'wp_enqueue_scripts', [ $this, 'register_scripts' ] ); |
| 25 | add_action( 'admin_enqueue_scripts', [ $this, 'register_scripts' ] ); |
| 26 | if ( $this->core->get_option( 'chatbot_discussions' ) ) { |
| 27 | add_shortcode( 'mwai_discussions', [ $this, 'chatbot_discussions' ] ); |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | public function register_scripts() { |
| 32 | // Load JS |
| 33 | $physical_file = trailingslashit( MWAI_PATH ) . 'app/chatbot.js'; |
| 34 | $cache_buster = file_exists( $physical_file ) ? filemtime( $physical_file ) : MWAI_VERSION; |
| 35 | wp_register_script( 'mwai_chatbot', trailingslashit( MWAI_URL ) |
| 36 | . 'app/chatbot.js', [ 'wp-element' ], $cache_buster, false ); |
| 37 | |
| 38 | // Actual loading of the scripts |
| 39 | $hasSiteWideChat = $this->siteWideChatId && $this->siteWideChatId !== 'none'; |
| 40 | |
| 41 | if ( is_admin() ) { |
| 42 | // In the admin, the chatbot widget and its theme CSS are only needed for the |
| 43 | // preview on AI Engine's own screens. Loading them on every admin page pushed |
| 44 | // the frontend theme stylesheets into the block-editor iframe, which WordPress |
| 45 | // warns about ("added to the iframe incorrectly"), so scope them to our pages. |
| 46 | $current_screen = function_exists( 'get_current_screen' ) ? get_current_screen() : null; |
| 47 | $is_ai_engine_page = $current_screen && strpos( $current_screen->id, 'mwai' ) !== false; |
| 48 | if ( $is_ai_engine_page ) { |
| 49 | $this->enqueue_scripts( null ); |
| 50 | } |
| 51 | return; |
| 52 | } |
| 53 | |
| 54 | if ( $hasSiteWideChat ) { |
| 55 | $bot = $this->core->get_chatbot( $this->siteWideChatId ); |
| 56 | $themeId = ( $bot && isset( $bot['themeId'] ) ) ? $bot['themeId'] : null; |
| 57 | $this->enqueue_scripts( $themeId ); |
| 58 | // Chatbot Injection |
| 59 | add_action( 'wp_footer', [ $this, 'inject_chat' ] ); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | public function enqueue_scripts( $themeId = null ) { |
| 64 | wp_enqueue_script( 'mwai_chatbot' ); |
| 65 | if ( $this->core->get_option( 'syntax_highlight' ) ) { |
| 66 | wp_enqueue_script( 'mwai_highlight' ); |
| 67 | } |
| 68 | if ( $themeId ) { |
| 69 | $this->core->enqueue_theme( $themeId ); |
| 70 | } |
| 71 | else { |
| 72 | $this->core->enqueue_themes(); |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * Helper method to create REST responses with automatic token refresh |
| 78 | * |
| 79 | * @param array $data The response data |
| 80 | * @param int $status HTTP status code |
| 81 | * @return WP_REST_Response |
| 82 | */ |
| 83 | protected function create_rest_response( $data, $status = 200 ) { |
| 84 | // Always check if we need to provide a new nonce |
| 85 | $current_nonce = $this->core->get_nonce( true ); |
| 86 | $request_nonce = isset( $_SERVER['HTTP_X_WP_NONCE'] ) ? $_SERVER['HTTP_X_WP_NONCE'] : null; |
| 87 | |
| 88 | // Check if nonce is approaching expiration (WordPress nonces last 12-24 hours) |
| 89 | // We'll refresh if the nonce is older than 10 hours to be safe |
| 90 | $should_refresh = false; |
| 91 | |
| 92 | if ( $request_nonce ) { |
| 93 | // Try to determine the age of the nonce |
| 94 | // WordPress uses a tick system where each tick is 12 hours |
| 95 | // If we're in the second half of the nonce's life, refresh it |
| 96 | $time = time(); |
| 97 | $nonce_tick = wp_nonce_tick(); |
| 98 | |
| 99 | // Verify if the nonce is still valid but getting old |
| 100 | $verify = wp_verify_nonce( $request_nonce, 'wp_rest' ); |
| 101 | if ( $verify === 2 ) { |
| 102 | // Nonce is valid but was generated 12-24 hours ago |
| 103 | $should_refresh = true; |
| 104 | // Log will be written when token is included in response |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | // If the nonce has changed or should be refreshed, include the new one |
| 109 | if ( $should_refresh || ( $request_nonce && $current_nonce !== $request_nonce ) ) { |
| 110 | $data['new_token'] = $current_nonce; |
| 111 | |
| 112 | // Log if server debug mode is enabled |
| 113 | if ( $this->core->get_option( 'server_debug_mode' ) ) { |
| 114 | error_log( '[AI Engine] Token refresh: Nonce refreshed (12-24 hours old)' ); |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | return new WP_REST_Response( $data, $status ); |
| 119 | } |
| 120 | |
| 121 | public function rest_api_init() { |
| 122 | register_rest_route( $this->namespace, '/chats/submit', [ |
| 123 | 'methods' => 'POST', |
| 124 | 'callback' => [ $this, 'rest_chat' ], |
| 125 | 'permission_callback' => [ $this->core, 'check_rest_nonce' ] |
| 126 | ] ); |
| 127 | } |
| 128 | |
| 129 | public function basics_security_check( $botId, $customId, $newMessage, $newFileId, $newFileIds = [] ) { |
| 130 | if ( !$botId && !$customId ) { |
| 131 | Meow_MWAI_Logging::warn( 'The query was rejected - no botId nor id was specified.' ); |
| 132 | return false; |
| 133 | } |
| 134 | |
| 135 | // An empty message is acceptable when files are attached (single or multi upload). |
| 136 | if ( $newFileId || !empty( $newFileIds ) ) { |
| 137 | return true; |
| 138 | } |
| 139 | |
| 140 | // Handle null or convert to string for strlen |
| 141 | $messageStr = $newMessage === null ? '' : (string) $newMessage; |
| 142 | $length = strlen( $messageStr ); |
| 143 | if ( $length < 1 ) { |
| 144 | Meow_MWAI_Logging::warn( 'The query was rejected - message was too short.' ); |
| 145 | return false; |
| 146 | } |
| 147 | return true; |
| 148 | } |
| 149 | |
| 150 | public function build_final_res( $botId, $newMessage, $newFileId, $params, $reply, $images, $actions, $usage, $responseId = null ) { |
| 151 | $filterParams = [ |
| 152 | 'step' => 'reply', |
| 153 | 'botId' => $botId, |
| 154 | 'reply' => $reply, |
| 155 | 'images' => $images, |
| 156 | 'newMessage' => $newMessage, |
| 157 | 'newFileId' => $newFileId, |
| 158 | 'params' => $params, |
| 159 | 'usage' => $usage, |
| 160 | 'messages' => $params['messages'] ?? [], |
| 161 | 'isNewConversation' => empty( $params['messages'] ) || count( $params['messages'] ) <= 1, |
| 162 | ]; |
| 163 | $actions = apply_filters( 'mwai_chatbot_actions', $actions, $filterParams ); |
| 164 | $blocks = apply_filters( 'mwai_chatbot_blocks', [], $filterParams ); |
| 165 | $shortcuts = apply_filters( 'mwai_chatbot_shortcuts', [], $filterParams ); |
| 166 | $actions = $this->sanitize_actions( $actions ); |
| 167 | $blocks = $this->sanitize_blocks( $blocks ); |
| 168 | $shortcuts = $this->sanitize_shortcuts( $shortcuts ); |
| 169 | $shortcuts = $this->prepare_shortcuts_for_client( $shortcuts, $botId ); |
| 170 | $result = [ |
| 171 | 'success' => true, |
| 172 | 'reply' => $reply, |
| 173 | 'images' => $images, |
| 174 | 'actions' => $actions, |
| 175 | 'shortcuts' => $shortcuts, |
| 176 | 'blocks' => $blocks, |
| 177 | 'usage' => $usage |
| 178 | ]; |
| 179 | |
| 180 | // Add response ID if available |
| 181 | if ( !empty( $responseId ) ) { |
| 182 | $result['responseId'] = $responseId; |
| 183 | } |
| 184 | |
| 185 | // Check if token needs refresh |
| 186 | $current_nonce = $this->core->get_nonce( true ); |
| 187 | $request_nonce = isset( $_SERVER['HTTP_X_WP_NONCE'] ) ? $_SERVER['HTTP_X_WP_NONCE'] : null; |
| 188 | |
| 189 | $should_refresh = false; |
| 190 | if ( $request_nonce ) { |
| 191 | $verify = wp_verify_nonce( $request_nonce, 'wp_rest' ); |
| 192 | if ( $verify === 2 ) { |
| 193 | // Nonce is valid but was generated 12-24 hours ago |
| 194 | $should_refresh = true; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | if ( $should_refresh || ( $request_nonce && $current_nonce !== $request_nonce ) ) { |
| 199 | $result['new_token'] = $current_nonce; |
| 200 | } |
| 201 | |
| 202 | return $result; |
| 203 | } |
| 204 | |
| 205 | public function rest_chat( $request ) { |
| 206 | $params = $request->get_json_params(); |
| 207 | $botId = $params['botId'] ?? null; |
| 208 | $customId = $params['customId'] ?? null; |
| 209 | $stream = $params['stream'] ?? false; |
| 210 | $newMessage = trim( $params['newMessage'] ?? '' ); |
| 211 | $newFileId = $params['newFileId'] ?? null; |
| 212 | $newFileIds = $params['newFileIds'] ?? []; |
| 213 | $crossSite = $params['crossSite'] ?? false; |
| 214 | $shortcutId = $params['shortcutId'] ?? null; |
| 215 | |
| 216 | // If shortcutId is provided, look up the actual message |
| 217 | if ( $shortcutId && empty( $newMessage ) ) { |
| 218 | $shortcutMessage = $this->get_shortcut_message( $shortcutId, $botId ); |
| 219 | if ( $shortcutMessage ) { |
| 220 | $newMessage = $shortcutMessage; |
| 221 | } |
| 222 | else { |
| 223 | return $this->create_rest_response( [ |
| 224 | 'success' => false, |
| 225 | 'message' => 'Invalid or expired shortcut.' |
| 226 | ], 400 ); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | if ( !$this->basics_security_check( $botId, $customId, $newMessage, $newFileId, $newFileIds ) ) { |
| 231 | return $this->create_rest_response( [ |
| 232 | 'success' => false, |
| 233 | 'message' => apply_filters( 'mwai_ai_exception', 'Sorry, your query has been rejected.' ) |
| 234 | ], 403 ); |
| 235 | } |
| 236 | |
| 237 | try { |
| 238 | $data = $this->chat_submit( $botId, $newMessage, $newFileId, $params, $stream, $newFileIds ); |
| 239 | $final_res = $this->build_final_res( |
| 240 | $botId, |
| 241 | $newMessage, |
| 242 | $newFileId, |
| 243 | $params, |
| 244 | $data['reply'], |
| 245 | $data['images'], |
| 246 | $data['actions'], |
| 247 | $data['usage'], |
| 248 | $data['responseId'] ?? null |
| 249 | ); |
| 250 | // A paused turn waiting for a tool approval (Workspace WordPress Tools). |
| 251 | if ( !empty( $data['approval'] ) ) { |
| 252 | $final_res['approval'] = $data['approval']; |
| 253 | } |
| 254 | return $this->create_rest_response( $final_res, 200 ); |
| 255 | } |
| 256 | catch ( Exception $e ) { |
| 257 | $message = apply_filters( 'mwai_ai_exception', $e->getMessage() ); |
| 258 | // Refusals (limits, security) carry a user-facing message; overLimit lets |
| 259 | // the frontend lock the input instead of accepting doomed messages. |
| 260 | $isRefusal = $e instanceof Meow_MWAI_RefusedException; |
| 261 | $overLimit = $isRefusal && $e->reason === 'limits'; |
| 262 | |
| 263 | // If we're in streaming mode, send the error through the stream |
| 264 | if ( $stream ) { |
| 265 | // Log the error |
| 266 | error_log( '[AI Engine Chatbot Error] ' . $e->getMessage() . ' in ' . $e->getFile() . ':' . $e->getLine() ); |
| 267 | |
| 268 | // Send error event through stream. Internal errors stay generic for |
| 269 | // visitors; a refusal message is meant for them, so pass it through. |
| 270 | // Admins get the real error (they can act on it, e.g. in the Workspace). |
| 271 | $errorData = [ |
| 272 | 'type' => 'error', |
| 273 | 'data' => ( $isRefusal || current_user_can( 'manage_options' ) ) ? $message |
| 274 | : 'Oops! Something went wrong on the server. Please try again, and if you are the site developer, check the PHP Error Logs for details.', |
| 275 | 'overLimit' => $overLimit |
| 276 | ]; |
| 277 | echo 'data: ' . json_encode( $errorData ) . "\n\n"; |
| 278 | if ( ob_get_level() > 0 ) { |
| 279 | ob_end_flush(); |
| 280 | } |
| 281 | flush(); |
| 282 | die(); |
| 283 | } |
| 284 | |
| 285 | // For non-streaming, same rule as the streaming branch above: a refusal is |
| 286 | // written for the visitor and passes through, but an internal error (a |
| 287 | // provider failure, a function-call loop, etc.) must not leak its details |
| 288 | // to visitors. Mask it to a generic message for non-admins (the real one |
| 289 | // is logged); admins still see it so they can debug. |
| 290 | if ( !$isRefusal && !current_user_can( 'manage_options' ) ) { |
| 291 | error_log( '[AI Engine Chatbot Error] ' . $e->getMessage() . ' in ' . $e->getFile() . ':' . $e->getLine() ); |
| 292 | $message = 'Oops! Something went wrong on the server. Please try again, and if you are the site developer, check the PHP Error Logs for details.'; |
| 293 | } |
| 294 | return $this->create_rest_response( [ |
| 295 | 'success' => false, |
| 296 | 'message' => $message, |
| 297 | 'overLimit' => $overLimit |
| 298 | ], $overLimit ? 429 : 500 ); |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | private function sanitize_items( $items, $supported_types, $type_name ) { |
| 303 | if ( empty( $items ) ) { |
| 304 | return $items; |
| 305 | } |
| 306 | $sanitized_items = []; |
| 307 | foreach ( $items as $item ) { |
| 308 | if ( isset( $supported_types[$item['type']] ) ) { |
| 309 | $is_valid = true; |
| 310 | foreach ( $supported_types[$item['type']] as $param ) { |
| 311 | if ( !isset( $item['data'][$param] ) ) { |
| 312 | $is_valid = false; |
| 313 | Meow_MWAI_Logging::warn( "The query was rejected - missing required parameter '{$param}' for {$type_name} type: {$item['type']}." ); |
| 314 | break; |
| 315 | } |
| 316 | } |
| 317 | if ( $is_valid ) { |
| 318 | $sanitized_items[] = $item; |
| 319 | } |
| 320 | } |
| 321 | else { |
| 322 | Meow_MWAI_Logging::warn( "The query was rejected - unsupported {$type_name} type: {$item['type']}." ); |
| 323 | } |
| 324 | } |
| 325 | return $sanitized_items; |
| 326 | } |
| 327 | |
| 328 | public function sanitize_actions( $actions ) { |
| 329 | $supported_action_types = [ |
| 330 | 'function' => ['name', 'args'], |
| 331 | 'javascript' => ['snippet'], |
| 332 | ]; |
| 333 | return $this->sanitize_items( $actions, $supported_action_types, 'action' ); |
| 334 | } |
| 335 | |
| 336 | public function sanitize_blocks( $blocks ) { |
| 337 | $supported_block_types = [ |
| 338 | 'content' => ['html'], |
| 339 | ]; |
| 340 | return $this->sanitize_items( $blocks, $supported_block_types, 'block' ); |
| 341 | } |
| 342 | |
| 343 | public function sanitize_shortcuts( $shortcuts ) { |
| 344 | $supported_shortcut_types = [ |
| 345 | 'message' => ['label', 'message'], |
| 346 | 'action' => ['label', 'message', 'action'], |
| 347 | 'callback' => ['label', 'onClick'], |
| 348 | ]; |
| 349 | return $this->sanitize_items( $shortcuts, $supported_shortcut_types, 'shortcut' ); |
| 350 | } |
| 351 | |
| 352 | /** |
| 353 | * Get the encryption key derived from WordPress salts. |
| 354 | * |
| 355 | * @return string The 32-byte encryption key. |
| 356 | */ |
| 357 | private function get_shortcut_encryption_key() { |
| 358 | return substr( hash( 'sha256', wp_salt( 'auth' ) . 'mwai_shortcuts' ), 0, 32 ); |
| 359 | } |
| 360 | |
| 361 | /** |
| 362 | * Encrypt shortcut data for safe transmission to the client. |
| 363 | * |
| 364 | * @param array $data The data to encrypt (message, botId). |
| 365 | * @return string|null The base64-encoded encrypted payload, or null on failure. |
| 366 | */ |
| 367 | private function encrypt_shortcut_data( $data ) { |
| 368 | $key = $this->get_shortcut_encryption_key(); |
| 369 | $iv = openssl_random_pseudo_bytes( 16 ); |
| 370 | $json = json_encode( $data ); |
| 371 | $encrypted = openssl_encrypt( $json, 'aes-256-cbc', $key, OPENSSL_RAW_DATA, $iv ); |
| 372 | if ( $encrypted === false ) { |
| 373 | return null; |
| 374 | } |
| 375 | return base64_encode( $iv . $encrypted ); |
| 376 | } |
| 377 | |
| 378 | /** |
| 379 | * Decrypt shortcut data received from the client. |
| 380 | * |
| 381 | * @param string $payload The base64-encoded encrypted payload. |
| 382 | * @return array|null The decrypted data, or null on failure. |
| 383 | */ |
| 384 | private function decrypt_shortcut_data( $payload ) { |
| 385 | $key = $this->get_shortcut_encryption_key(); |
| 386 | $decoded = base64_decode( $payload, true ); |
| 387 | if ( $decoded === false || strlen( $decoded ) < 17 ) { |
| 388 | return null; |
| 389 | } |
| 390 | $iv = substr( $decoded, 0, 16 ); |
| 391 | $encrypted = substr( $decoded, 16 ); |
| 392 | $decrypted = openssl_decrypt( $encrypted, 'aes-256-cbc', $key, OPENSSL_RAW_DATA, $iv ); |
| 393 | if ( $decrypted === false ) { |
| 394 | return null; |
| 395 | } |
| 396 | return json_decode( $decrypted, true ); |
| 397 | } |
| 398 | |
| 399 | /** |
| 400 | * Prepare shortcuts for client by replacing messages with encrypted shortcutIds. |
| 401 | * The messages are encrypted and can only be decrypted server-side. |
| 402 | * This keeps the prompt content private and not exposed in the browser. |
| 403 | * |
| 404 | * @param array $shortcuts The shortcuts to prepare. |
| 405 | * @param string $botId The bot ID for validation. |
| 406 | * @return array The prepared shortcuts with encrypted shortcutIds instead of messages. |
| 407 | */ |
| 408 | public function prepare_shortcuts_for_client( $shortcuts, $botId ) { |
| 409 | if ( empty( $shortcuts ) ) { |
| 410 | return $shortcuts; |
| 411 | } |
| 412 | |
| 413 | $prepared = []; |
| 414 | foreach ( $shortcuts as $shortcut ) { |
| 415 | $type = $shortcut['type'] ?? ''; |
| 416 | $data = $shortcut['data'] ?? []; |
| 417 | |
| 418 | // Only process shortcuts that have a message (not callbacks) |
| 419 | if ( isset( $data['message'] ) && !empty( $data['message'] ) ) { |
| 420 | // Encrypt the message and botId |
| 421 | $shortcutId = $this->encrypt_shortcut_data( [ |
| 422 | 'message' => $data['message'], |
| 423 | 'botId' => $botId, |
| 424 | ] ); |
| 425 | |
| 426 | if ( $shortcutId ) { |
| 427 | // Replace message with encrypted shortcutId |
| 428 | unset( $data['message'] ); |
| 429 | $data['shortcutId'] = $shortcutId; |
| 430 | } |
| 431 | } |
| 432 | |
| 433 | $prepared[] = [ |
| 434 | 'type' => $type, |
| 435 | 'data' => $data, |
| 436 | ]; |
| 437 | } |
| 438 | |
| 439 | return $prepared; |
| 440 | } |
| 441 | |
| 442 | /** |
| 443 | * Decrypt and retrieve a shortcut message from its encrypted ID. |
| 444 | * |
| 445 | * @param string $shortcutId The encrypted shortcut ID. |
| 446 | * @param string $botId The bot ID for validation. |
| 447 | * @return string|null The message, or null if decryption fails or botId mismatches. |
| 448 | */ |
| 449 | public function get_shortcut_message( $shortcutId, $botId ) { |
| 450 | if ( empty( $shortcutId ) ) { |
| 451 | return null; |
| 452 | } |
| 453 | |
| 454 | $shortcut_data = $this->decrypt_shortcut_data( $shortcutId ); |
| 455 | |
| 456 | if ( !$shortcut_data || !isset( $shortcut_data['message'] ) ) { |
| 457 | Meow_MWAI_Logging::warn( "Shortcut decryption failed for botId: {$botId}" ); |
| 458 | return null; |
| 459 | } |
| 460 | |
| 461 | // Validate botId matches (security check) |
| 462 | if ( isset( $shortcut_data['botId'] ) && $shortcut_data['botId'] !== $botId ) { |
| 463 | Meow_MWAI_Logging::warn( "Shortcut botId mismatch: expected {$shortcut_data['botId']}, got {$botId}" ); |
| 464 | return null; |
| 465 | } |
| 466 | |
| 467 | return $shortcut_data['message']; |
| 468 | } |
| 469 | |
| 470 | #region Messages Integrity Check |
| 471 | |
| 472 | public function messages_integrity_diff( $messages1, $messages2 ) { |
| 473 | // Ensure both parameters are arrays |
| 474 | if ( !is_array( $messages1 ) ) { |
| 475 | $messages1 = []; |
| 476 | } |
| 477 | if ( !is_array( $messages2 ) ) { |
| 478 | $messages2 = []; |
| 479 | } |
| 480 | |
| 481 | // Collect messages with role not 'user' from messages1 |
| 482 | $messagesList1 = []; |
| 483 | foreach ( $messages1 as $msg ) { |
| 484 | $role = isset( $msg->role ) ? $msg->role : ( isset( $msg['role'] ) ? $msg['role'] : null ); |
| 485 | $content = isset( $msg->content ) ? $msg->content : ( isset( $msg['content'] ) ? $msg['content'] : null ); |
| 486 | if ( $role && $role != 'user' ) { |
| 487 | $messageData = [ 'role' => $role, 'content' => $content ]; |
| 488 | $messagesList1[] = $messageData; |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | // Collect messages with role not 'user' from messages2 |
| 493 | $messagesList2 = []; |
| 494 | foreach ( $messages2 as $msg ) { |
| 495 | $role = isset( $msg->role ) ? $msg->role : ( isset( $msg['role'] ) ? $msg['role'] : null ); |
| 496 | $content = isset( $msg->content ) ? $msg->content : ( isset( $msg['content'] ) ? $msg['content'] : null ); |
| 497 | if ( $role && $role != 'user' ) { |
| 498 | $messageData = [ 'role' => $role, 'content' => $content ]; |
| 499 | $messagesList2[] = $messageData; |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | // Count occurrences of each message in messagesList1 |
| 504 | $counts1 = []; |
| 505 | foreach ( $messagesList1 as $msg ) { |
| 506 | $key = serialize( $msg ); |
| 507 | if ( isset( $counts1[ $key ] ) ) { |
| 508 | $counts1[ $key ]++; |
| 509 | } |
| 510 | else { |
| 511 | $counts1[ $key ] = 1; |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | // Count occurrences of each message in messagesList2 |
| 516 | $counts2 = []; |
| 517 | foreach ( $messagesList2 as $msg ) { |
| 518 | $key = serialize( $msg ); |
| 519 | if ( isset( $counts2[ $key ] ) ) { |
| 520 | $counts2[ $key ]++; |
| 521 | } |
| 522 | else { |
| 523 | $counts2[ $key ] = 1; |
| 524 | } |
| 525 | } |
| 526 | |
| 527 | // Compare counts to find unmatched messages |
| 528 | $all_keys = array_unique( array_merge( array_keys( $counts1 ), array_keys( $counts2 ) ) ); |
| 529 | |
| 530 | $diffs = []; |
| 531 | foreach ( $all_keys as $key ) { |
| 532 | $count1 = isset( $counts1[ $key ] ) ? $counts1[ $key ] : 0; |
| 533 | $count2 = isset( $counts2[ $key ] ) ? $counts2[ $key ] : 0; |
| 534 | if ( $count1 != $count2 ) { |
| 535 | $message = unserialize( $key ); |
| 536 | $diffs[] = [ |
| 537 | 'message' => $message, |
| 538 | 'count_in_messages1' => $count1, |
| 539 | 'count_in_messages2' => $count2 |
| 540 | ]; |
| 541 | } |
| 542 | } |
| 543 | |
| 544 | return $diffs; |
| 545 | } |
| 546 | |
| 547 | private function calculate_messages_checksum( $messages ) { |
| 548 | $messages_to_hash = []; |
| 549 | foreach ( $messages as $msg ) { |
| 550 | $role = is_array( $msg ) ? ( $msg['role'] ?? '' ) : ( is_object( $msg ) ? ( $msg->role ?? '' ) : '' ); |
| 551 | $content = is_array( $msg ) ? ( $msg['content'] ?? '' ) : ( is_object( $msg ) ? ( $msg->content ?? '' ) : '' ); |
| 552 | if ( in_array( $role, ['assistant', 'system'] ) ) { |
| 553 | $messages_to_hash[] = [ 'role' => $role, 'content' => $content ]; |
| 554 | } |
| 555 | } |
| 556 | return md5( json_encode( $messages_to_hash ) ); |
| 557 | } |
| 558 | |
| 559 | #endregion |
| 560 | |
| 561 | public function chat_submit( $botId, $newMessage, $newFileId = null, $params = [], $stream = false, $newFileIds = [] ) { |
| 562 | $query = null; // Initialize query variable to avoid undefined variable errors |
| 563 | try { |
| 564 | $chatbot = null; |
| 565 | $customId = $params['customId'] ?? null; |
| 566 | |
| 567 | // Custom Chatbot |
| 568 | if ( $customId ) { |
| 569 | $chatbot = get_transient( 'mwai_custom_chatbot_' . $customId ); |
| 570 | } |
| 571 | // Registered Chatbot |
| 572 | if ( !$chatbot && $botId ) { |
| 573 | $chatbot = $this->core->get_chatbot( $botId ); |
| 574 | } |
| 575 | // Internal Chatbots (reserved mwai_ prefix) |
| 576 | if ( !$chatbot && $botId && strpos( $botId, 'mwai_' ) === 0 ) { |
| 577 | $chatbot = apply_filters( 'mwai_internal_chatbot', null, $botId, $params ); |
| 578 | } |
| 579 | // Fall back to default chatbot if no chatbot found yet |
| 580 | if ( !$chatbot ) { |
| 581 | $chatbot = $this->core->get_chatbot( 'default' ); |
| 582 | } |
| 583 | |
| 584 | if ( !$chatbot ) { |
| 585 | Meow_MWAI_Logging::warn( 'The query was rejected - no chatbot was found.' ); |
| 586 | throw new Exception( 'Sorry, your query has been rejected.' ); |
| 587 | } |
| 588 | |
| 589 | $textInputMaxLength = $chatbot['textInputMaxLength'] ?? null; |
| 590 | if ( $textInputMaxLength && $this->core->safe_strlen( $newMessage ) > (int) $textInputMaxLength ) { |
| 591 | Meow_MWAI_Logging::warn( 'The query was rejected - message was too long.' ); |
| 592 | throw new Exception( 'Sorry, your query has been rejected.' ); |
| 593 | } |
| 594 | |
| 595 | // Server params (model, envId, instructions, apiKey, tools, mcpServers...) |
| 596 | // are configured server-side and only reach a request through the resolved |
| 597 | // chatbot: a registered botId, or the customId transient that a shortcode |
| 598 | // override stores. They must never be trusted from the request body, or a |
| 599 | // hand-crafted call to this public endpoint could force an expensive model, |
| 600 | // swap the environment (and its API key), or replace the system prompt on |
| 601 | // someone else's site. Callers who can configure chatbots anyway (the |
| 602 | // Workspace, admins) are exempt so their per-conversation overrides keep |
| 603 | // working. See MWAI_CHATBOT_SERVER_PARAMS and the shortcode override path. |
| 604 | $allowClientServerParams = apply_filters( |
| 605 | 'mwai_chatbot_allow_client_server_params', |
| 606 | $this->core->can_access_settings(), |
| 607 | $botId, |
| 608 | $params |
| 609 | ); |
| 610 | if ( !$allowClientServerParams && is_array( $params ) ) { |
| 611 | foreach ( MWAI_CHATBOT_SERVER_PARAMS as $serverParam ) { |
| 612 | unset( $params[$serverParam] ); |
| 613 | } |
| 614 | // The history in the body is display context, not a control channel. |
| 615 | // build_messages() appends these verbatim right after the real system |
| 616 | // prompt, so a 'system' (or 'developer'/'tool') turn smuggled in here |
| 617 | // would re-open the prompt-override hole from a second door. Keep only |
| 618 | // the user/assistant turns a real conversation is made of. |
| 619 | if ( !empty( $params['messages'] ) && is_array( $params['messages'] ) ) { |
| 620 | $params['messages'] = array_values( array_filter( $params['messages'], function ( $m ) { |
| 621 | $role = is_array( $m ) ? ( $m['role'] ?? '' ) : ( is_object( $m ) ? ( $m->role ?? '' ) : '' ); |
| 622 | return in_array( $role, [ 'user', 'assistant' ], true ); |
| 623 | } ) ); |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | // We need to check the integrity of the messages sent by the client. |
| 628 | // This is important to ensure that the messages are not tampered with. |
| 629 | |
| 630 | // Messages Integrity Check with Checksums |
| 631 | $chatId = $params['chatId'] ?? 'default'; |
| 632 | $checksum_key = 'mwai_chatbot_checksum_' . $chatId; |
| 633 | $stored_checksum = get_transient( $checksum_key ); |
| 634 | $client_messages = $params['messages'] ?? []; |
| 635 | $client_checksum = $this->calculate_messages_checksum( $client_messages ); |
| 636 | if ( $stored_checksum && $stored_checksum !== $client_checksum ) { |
| 637 | Meow_MWAI_Logging::warn( 'Integrity Check: Messages integrity check failed. Assistant or system messages sent by the client do not match stored messages. Please enable the Discussions module for better logs.' ); |
| 638 | } |
| 639 | |
| 640 | // Messages Integrity Check with Discussions |
| 641 | if ( $this->core->get_option( 'chatbot_discussions' ) && $this->core->discussions && isset( $params['chatId'] ) ) { |
| 642 | $discussion = $this->core->discussions->get_discussion( $botId ? $botId : $customId, $params['chatId'] ); |
| 643 | if ( $discussion ) { |
| 644 | $messages = $discussion['messages']; |
| 645 | $clientMessages = isset( $params['messages'] ) ? $params['messages'] : []; |
| 646 | $diffs = $this->messages_integrity_diff( $messages, $clientMessages ); |
| 647 | if ( count( $diffs ) > 0 ) { |
| 648 | Meow_MWAI_Logging::warn( "Integrity Check: It seems the messages in the discussion #{$discussion['id']} do not match the ones sent by the client." ); |
| 649 | } |
| 650 | |
| 651 | // Maintain conversation state for the Responses API by restoring the |
| 652 | // stored response id when the client did not send one. Two things must |
| 653 | // both hold, and both were wrong before: |
| 654 | // 1. The keys. Discussions store previousResponseId / previousResponseDate |
| 655 | // (see discussions.php), not responseId / responseDate, so this |
| 656 | // restore silently never ran. |
| 657 | // 2. Ownership. A response id resumes the whole conversation server-side |
| 658 | // at the provider, so restoring it for a chatId that belongs to |
| 659 | // someone else would replay their private conversation to whoever |
| 660 | // supplies the chatId. get_discussion() is intentionally not |
| 661 | // owner-scoped, so gate the restore on ownership here: the same |
| 662 | // logged-in user, or the same guest session that created it. The |
| 663 | // official UI already restores previousResponseId client-side, so |
| 664 | // this stays a safe server-side fallback, not the primary path. |
| 665 | if ( empty( $params['previousResponseId'] ) && !empty( $discussion['extra'] ) ) { |
| 666 | $extra = json_decode( $discussion['extra'], true ); |
| 667 | $storedResponseId = $extra['previousResponseId'] ?? null; |
| 668 | if ( !empty( $storedResponseId ) ) { |
| 669 | $currentUserId = get_current_user_id(); |
| 670 | $ownsDiscussion = false; |
| 671 | if ( $currentUserId && !empty( $discussion['userId'] ) |
| 672 | && (int) $discussion['userId'] === (int) $currentUserId ) { |
| 673 | $ownsDiscussion = true; |
| 674 | } |
| 675 | else if ( !$currentUserId && !empty( $params['session'] ) && !empty( $extra['session'] ) |
| 676 | && hash_equals( (string) $extra['session'], (string) $params['session'] ) ) { |
| 677 | $ownsDiscussion = true; |
| 678 | } |
| 679 | // Response IDs expire after 30 days per OpenAI's policy. |
| 680 | $responseDate = !empty( $extra['previousResponseDate'] ) |
| 681 | ? strtotime( $extra['previousResponseDate'] ) : 0; |
| 682 | $thirtyDaysAgo = time() - ( 30 * 24 * 60 * 60 ); |
| 683 | if ( $ownsDiscussion && $responseDate > $thirtyDaysAgo ) { |
| 684 | $params['previousResponseId'] = $storedResponseId; |
| 685 | } |
| 686 | } |
| 687 | } |
| 688 | } |
| 689 | else { |
| 690 | // No discussion yet? We still need to check the startSentence. |
| 691 | $startSentence = isset( $chatbot['startSentence'] ) ? $chatbot['startSentence'] : null; |
| 692 | $messages = []; |
| 693 | if ( !empty( $startSentence ) ) { |
| 694 | $messages[] = [ 'role' => 'assistant', 'content' => $startSentence ]; |
| 695 | } |
| 696 | $clientMessages = isset( $params['messages'] ) ? $params['messages'] : []; |
| 697 | $diffs = $this->messages_integrity_diff( $messages, $clientMessages ); |
| 698 | if ( count( $diffs ) > 0 ) { |
| 699 | Meow_MWAI_Logging::warn( 'Integrity Check: It seems the messages in the discussion do not match the ones sent by the client: ' . json_encode( $diffs ) ); |
| 700 | } |
| 701 | } |
| 702 | } |
| 703 | |
| 704 | // Create QueryText |
| 705 | $context = null; |
| 706 | $streamCallback = null; |
| 707 | $mode = $chatbot['mode'] ?? 'chat'; |
| 708 | |
| 709 | if ( $mode === 'images' ) { |
| 710 | // Check for uploaded files |
| 711 | $fileForImage = null; |
| 712 | if ( !empty( $newFileIds ) && is_array( $newFileIds ) ) { |
| 713 | $fileForImage = $newFileIds[0]; |
| 714 | } |
| 715 | elseif ( !empty( $newFileId ) ) { |
| 716 | $fileForImage = $newFileId; |
| 717 | } |
| 718 | |
| 719 | // If there's an uploaded file, use EditImage query instead |
| 720 | if ( !empty( $fileForImage ) ) { |
| 721 | $query = new Meow_MWAI_Query_EditImage( $newMessage ); |
| 722 | |
| 723 | // Handle the uploaded image |
| 724 | $url = $this->core->files->get_url( $fileForImage ); |
| 725 | $mimeType = $this->core->files->get_mime_type( $fileForImage ); |
| 726 | $isIMG = in_array( $mimeType, [ 'image/jpeg', 'image/png', 'image/gif', 'image/webp' ] ); |
| 727 | |
| 728 | if ( $isIMG ) { |
| 729 | $query->add_file( Meow_MWAI_Query_DroppedFile::from_url( $url, 'analysis', $mimeType ) ); |
| 730 | $fileId = $this->core->files->get_id_from_refId( $fileForImage ); |
| 731 | $this->core->files->update_purpose( $fileId, 'analysis' ); |
| 732 | } |
| 733 | } |
| 734 | else { |
| 735 | $query = new Meow_MWAI_Query_Image( $newMessage ); |
| 736 | } |
| 737 | |
| 738 | // Handle Params |
| 739 | $newParams = []; |
| 740 | foreach ( $chatbot as $key => $value ) { |
| 741 | $newParams[$key] = $value; |
| 742 | } |
| 743 | if ( is_array( $params ) ) { |
| 744 | foreach ( $params as $key => $value ) { |
| 745 | $newParams[$key] = $value; |
| 746 | } |
| 747 | } |
| 748 | |
| 749 | // Map 'environment' field to 'envId' for compatibility |
| 750 | if ( isset( $newParams['environment'] ) && !isset( $newParams['envId'] ) ) { |
| 751 | $newParams['envId'] = $newParams['environment']; |
| 752 | } |
| 753 | |
| 754 | $params = apply_filters( 'mwai_chatbot_params', $newParams ); |
| 755 | $params['scope'] = empty( $params['scope'] ) ? 'chatbot' : $params['scope']; |
| 756 | |
| 757 | // Debug log for embeddings |
| 758 | if ( !empty( $params['embeddingsEnvId'] ) ) { |
| 759 | Meow_MWAI_Logging::log( 'Chatbot: Setting embeddingsEnvId on query: ' . $params['embeddingsEnvId'] ); |
| 760 | } |
| 761 | else { |
| 762 | // Log all params to debug |
| 763 | $paramKeys = array_keys( $params ); |
| 764 | Meow_MWAI_Logging::log( 'Chatbot: No embeddingsEnvId found. Available params: ' . implode( ', ', $paramKeys ) ); |
| 765 | } |
| 766 | |
| 767 | $query->inject_params( $params ); |
| 768 | } |
| 769 | else { |
| 770 | $query = $mode === 'assistant' ? new Meow_MWAI_Query_Assistant( $newMessage ) : |
| 771 | new Meow_MWAI_Query_Text( $newMessage, 4096 ); |
| 772 | |
| 773 | // Handle Params |
| 774 | $newParams = []; |
| 775 | foreach ( $chatbot as $key => $value ) { |
| 776 | $newParams[$key] = $value; |
| 777 | } |
| 778 | if ( is_array( $params ) ) { |
| 779 | foreach ( $params as $key => $value ) { |
| 780 | $newParams[$key] = $value; |
| 781 | } |
| 782 | } |
| 783 | |
| 784 | // Map 'environment' field to 'envId' for compatibility |
| 785 | if ( isset( $newParams['environment'] ) && !isset( $newParams['envId'] ) ) { |
| 786 | $newParams['envId'] = $newParams['environment']; |
| 787 | } |
| 788 | |
| 789 | $params = apply_filters( 'mwai_chatbot_params', $newParams ); |
| 790 | $params['scope'] = empty( $params['scope'] ) ? 'chatbot' : $params['scope']; |
| 791 | |
| 792 | // Debug log for embeddings |
| 793 | if ( !empty( $params['embeddingsEnvId'] ) ) { |
| 794 | Meow_MWAI_Logging::log( 'Chatbot: Setting embeddingsEnvId on query: ' . $params['embeddingsEnvId'] ); |
| 795 | } |
| 796 | else { |
| 797 | // Log all params to debug |
| 798 | $paramKeys = array_keys( $params ); |
| 799 | Meow_MWAI_Logging::log( 'Chatbot: No embeddingsEnvId found. Available params: ' . implode( ', ', $paramKeys ) ); |
| 800 | } |
| 801 | |
| 802 | // In Prompt mode, clear out features that are not supported before injecting params |
| 803 | if ( $mode === 'prompt' ) { |
| 804 | // Clear embeddings/context settings |
| 805 | unset( $params['embeddingsEnvId'] ); |
| 806 | unset( $params['embeddingsIndex'] ); |
| 807 | unset( $params['embeddingsNamespace'] ); |
| 808 | unset( $params['contentAware'] ); |
| 809 | unset( $params['context'] ); |
| 810 | |
| 811 | // Clear function calling and MCP servers |
| 812 | unset( $params['functions'] ); |
| 813 | unset( $params['mcpServers'] ); |
| 814 | |
| 815 | // Clear tools |
| 816 | unset( $params['tools'] ); |
| 817 | |
| 818 | // Clear temperature, reasoning, verbosity as they're configured in the prompt |
| 819 | unset( $params['temperature'] ); |
| 820 | unset( $params['reasoningEffort'] ); |
| 821 | unset( $params['verbosity'] ); |
| 822 | unset( $params['maxTokens'] ); |
| 823 | } |
| 824 | |
| 825 | $query->inject_params( $params ); |
| 826 | |
| 827 | // Handle Prompt mode specifics |
| 828 | if ( $mode === 'prompt' && !empty( $params['promptId'] ) ) { |
| 829 | $promptData = [ 'id' => $params['promptId'] ]; |
| 830 | $query->setExtraParam( 'prompt', $promptData ); |
| 831 | } |
| 832 | |
| 833 | $storeId = null; |
| 834 | if ( $mode === 'assistant' ) { |
| 835 | $chatId = $params['chatId'] ?? null; |
| 836 | if ( !empty( $chatId ) && $this->core->discussions ) { |
| 837 | $discussion = $this->core->discussions->get_discussion( $query->botId, $chatId ); |
| 838 | if ( isset( $discussion['storeId'] ) ) { |
| 839 | $storeId = $discussion['storeId']; |
| 840 | $query->setStoreId( $storeId ); |
| 841 | } |
| 842 | } |
| 843 | } |
| 844 | |
| 845 | // Support for Multiple Uploaded Files |
| 846 | $filesToProcess = []; |
| 847 | if ( !empty( $newFileIds ) && is_array( $newFileIds ) ) { |
| 848 | $filesToProcess = $newFileIds; |
| 849 | } |
| 850 | elseif ( !empty( $newFileId ) ) { |
| 851 | $filesToProcess[] = $newFileId; |
| 852 | } |
| 853 | |
| 854 | // Support for Uploaded Image/Files |
| 855 | if ( !empty( $filesToProcess ) ) { |
| 856 | // Process all files for multi-upload support |
| 857 | foreach ( $filesToProcess as $fileToProcess ) { |
| 858 | // Get extension and mime type |
| 859 | $isImage = $this->core->files->is_image( $fileToProcess ); |
| 860 | |
| 861 | if ( $mode === 'assistant' && !$isImage ) { |
| 862 | // DEPRECATED: Assistants API and File Search are deprecated |
| 863 | // After August 26, 2026, this entire block should be removed |
| 864 | error_log( '[AI Engine] WARNING: Assistant File Search is deprecated and will be removed after August 26, 2026. Consider using regular chat with PDF uploads instead.' ); |
| 865 | |
| 866 | $url = $this->core->files->get_path( $fileToProcess ); |
| 867 | $data = $this->core->files->get_data( $fileToProcess ); |
| 868 | $openai = Meow_MWAI_Engines_Factory::get_openai( $this->core, $query->envId ); |
| 869 | $filename = basename( $url ); |
| 870 | |
| 871 | // Upload the file |
| 872 | $file = $openai->upload_file( $filename, $data, 'assistants' ); |
| 873 | |
| 874 | // Create a store |
| 875 | if ( empty( $storeId ) ) { |
| 876 | $chatbotName = 'mwai_' . strtolower( !empty( $chatbot['name'] ) ? $chatbot['name'] : 'default' ); |
| 877 | if ( !empty( $query->chatId ) ) { |
| 878 | $chatbotName .= '_' . $query->chatId; |
| 879 | } |
| 880 | $metadata = []; |
| 881 | if ( !empty( $chatbot['assistantId'] ) ) { |
| 882 | $metadata['assistantId'] = $chatbot['assistantId']; |
| 883 | } |
| 884 | if ( !empty( $query->chatId ) ) { |
| 885 | $metadata['chatId'] = $query->chatId; |
| 886 | } |
| 887 | $expiry = $this->core->get_option( 'image_expires' ); |
| 888 | $storeId = $openai->create_vector_store( $chatbotName, $expiry, $metadata ); |
| 889 | $query->setStoreId( $storeId ); |
| 890 | } |
| 891 | |
| 892 | // Add the file to the store - wait a moment for store to be ready |
| 893 | sleep( 1 ); |
| 894 | $storeFileId = $openai->add_vector_store_file( $storeId, $file['id'] ); |
| 895 | |
| 896 | if ( empty( $storeFileId ) ) { |
| 897 | throw new Exception( 'Failed to add file to vector store.' ); |
| 898 | } |
| 899 | |
| 900 | // Update the local file with the OpenAI RefId, StoreId and StoreFileId |
| 901 | $openAiRefId = $file['id']; |
| 902 | $internalFileId = $this->core->files->get_id_from_refId( $fileToProcess ); |
| 903 | $this->core->files->update_refId( $internalFileId, $openAiRefId ); |
| 904 | $this->core->files->update_envId( $internalFileId, $query->envId ); |
| 905 | $this->core->files->update_purpose( $internalFileId, 'analysis' ); |
| 906 | $this->core->files->add_metadata( $internalFileId, 'assistant_storeId', $storeId ); |
| 907 | $this->core->files->add_metadata( $internalFileId, 'assistant_storeFileId', $storeFileId ); |
| 908 | $fileToProcess = $openAiRefId; |
| 909 | $scope = $params['fileSearch']; |
| 910 | if ( $scope === 'discussion' || $scope === 'user' || $scope === 'assistant' ) { |
| 911 | $id = $this->core->files->get_id_from_refId( $fileToProcess ); |
| 912 | $this->core->files->add_metadata( $id, 'assistant_scope', $scope ); |
| 913 | } |
| 914 | } |
| 915 | else { |
| 916 | // Keep track of the internal file ID (before any OpenAI processing) |
| 917 | // Important: $fileToProcess is our internal database refId, not OpenAI's file_id |
| 918 | $internalRefId = $fileToProcess; |
| 919 | $url = $this->core->files->get_url( $internalRefId ); |
| 920 | $mimeType = $this->core->files->get_mime_type( $internalRefId ); |
| 921 | $isIMG = in_array( $mimeType, [ 'image/jpeg', 'image/png', 'image/gif', 'image/webp' ] ); |
| 922 | |
| 923 | // Create DroppedFile object - provider-agnostic approach |
| 924 | // Images use URL (can be sent as base64 or URL in messages) |
| 925 | // PDFs use refId (engines will upload to their Files API as needed) |
| 926 | if ( $isIMG ) { |
| 927 | $droppedFile = Meow_MWAI_Query_DroppedFile::from_url( $url, 'analysis', $mimeType ); |
| 928 | } |
| 929 | else { |
| 930 | // For PDFs and documents, use refId so engines can access file data directly |
| 931 | $droppedFile = Meow_MWAI_Query_DroppedFile::from_refId( $internalRefId, 'analysis', $mimeType ); |
| 932 | } |
| 933 | |
| 934 | // IMPORTANT: Always use add_file() to add to attachedFiles array |
| 935 | // This is the unified approach for both single and multi-file uploads |
| 936 | // Engines will check attachedFiles array first, then fall back to attachedFile (legacy) |
| 937 | $query->add_file( $droppedFile ); |
| 938 | |
| 939 | // Update metadata using the internal refId (not OpenAI file ID) |
| 940 | $fileId = $this->core->files->get_id_from_refId( $internalRefId ); |
| 941 | $this->core->files->update_envId( $fileId, $query->envId ); |
| 942 | $this->core->files->update_purpose( $fileId, 'analysis' ); |
| 943 | $this->core->files->add_metadata( $fileId, 'query_envId', $query->envId ); |
| 944 | $this->core->files->add_metadata( $fileId, 'query_session', $query->session ); |
| 945 | } |
| 946 | } |
| 947 | } |
| 948 | |
| 949 | // Takeover |
| 950 | $takeoverAnswer = apply_filters( 'mwai_chatbot_takeover', null, $query, $params ); |
| 951 | if ( !empty( $takeoverAnswer ) ) { |
| 952 | $reply = new Meow_MWAI_Reply( $query ); |
| 953 | $reply->result = $takeoverAnswer; |
| 954 | $rawText = apply_filters( 'mwai_chatbot_reply', $takeoverAnswer, $reply, $params, [] ); |
| 955 | return [ |
| 956 | 'reply' => $rawText, |
| 957 | 'chatId' => $this->core->fix_chat_id( $query, $params ), |
| 958 | 'images' => null, |
| 959 | 'actions' => [], |
| 960 | 'usage' => null |
| 961 | ]; |
| 962 | } |
| 963 | |
| 964 | // Moderation |
| 965 | $moderationEnabled = $this->core->get_option( 'module_moderation' ) && |
| 966 | $this->core->get_option( 'shortcode_chat_moderation' ); |
| 967 | if ( $moderationEnabled ) { |
| 968 | global $mwai; |
| 969 | $isFlagged = $mwai->moderationCheck( $query->get_message() ); |
| 970 | if ( $isFlagged ) { |
| 971 | throw new Exception( 'Sorry, your message has been rejected by moderation.' ); |
| 972 | } |
| 973 | } |
| 974 | |
| 975 | // Setup streaming if enabled (before embeddings to capture those events) |
| 976 | $streamCallback = null; |
| 977 | $debugEvents = []; |
| 978 | |
| 979 | if ( $stream ) { |
| 980 | $streamCallback = function ( $reply ) use ( $query ) { |
| 981 | // Support both legacy string data and new Event objects |
| 982 | if ( is_string( $reply ) ) { |
| 983 | $this->core->stream_push( [ 'type' => 'live', 'data' => $reply ], $query ); |
| 984 | } |
| 985 | else { |
| 986 | $this->core->stream_push( $reply, $query ); |
| 987 | } |
| 988 | }; |
| 989 | if ( headers_sent( $filename, $linenum ) ) { |
| 990 | throw new Exception( "Headers already sent in $filename on line $linenum. Cannot start streaming." ); |
| 991 | } |
| 992 | header( 'Cache-Control: no-cache' ); |
| 993 | header( 'Content-Type: text/event-stream' ); |
| 994 | // This is useful to disable buffering in nginx through headers. |
| 995 | header( 'X-Accel-Buffering: no' ); |
| 996 | ob_implicit_flush( true ); |
| 997 | if ( ob_get_level() > 0 ) { |
| 998 | ob_end_flush(); |
| 999 | } |
| 1000 | // Usage and credits are committed (via the mwai_ai_reply filter) only |
| 1001 | // after the model stream finishes. Without this, a client that |
| 1002 | // disconnects mid-stream kills the PHP script on the next flush, |
| 1003 | // before recording anything: the provider tokens are spent but the |
| 1004 | // query is never counted and the limit never decremented, so aborting |
| 1005 | // repeatedly evades usage limits. Finish the request even if the |
| 1006 | // client left so the accounting stays honest. |
| 1007 | ignore_user_abort( true ); |
| 1008 | } |
| 1009 | else if ( $this->core->get_option( 'module_devtools' ) && $this->core->get_option( 'debug_mode' ) ) { |
| 1010 | // For non-streaming debug mode, collect events |
| 1011 | $streamCallback = function ( $event ) use ( &$debugEvents ) { |
| 1012 | if ( is_object( $event ) && method_exists( $event, 'toArray' ) ) { |
| 1013 | $debugEvents[] = $event->toArray(); |
| 1014 | } |
| 1015 | }; |
| 1016 | } |
| 1017 | |
| 1018 | // Awareness & Embeddings |
| 1019 | $context = $this->core->retrieve_context( $params, $query, $streamCallback ); |
| 1020 | if ( !empty( $context ) ) { |
| 1021 | $query->set_context( $context['content'] ); |
| 1022 | } |
| 1023 | |
| 1024 | // Function Aware |
| 1025 | $query = apply_filters( 'mwai_chatbot_query', $query, $params ); |
| 1026 | } |
| 1027 | |
| 1028 | // Process Query |
| 1029 | |
| 1030 | $reply = $this->core->run_query( $query, $streamCallback, true ); |
| 1031 | $rawText = $reply->result; |
| 1032 | $extra = []; |
| 1033 | if ( $context ) { |
| 1034 | $extra = [ 'embeddings' => isset( $context['embeddings'] ) ? $context['embeddings'] : null ]; |
| 1035 | } |
| 1036 | // Tools executed during this turn (functions, MCP, etc), so the Discussions |
| 1037 | // admin screen can show what ran and with which parameters. |
| 1038 | if ( !empty( $reply->toolCalls ) ) { |
| 1039 | $extra['toolCalls'] = $reply->toolCalls; |
| 1040 | } |
| 1041 | // Store response ID for Responses API stateful conversations |
| 1042 | // CRITICAL: Must store even when function calls are present |
| 1043 | // This enables the feedback query to use previous_response_id |
| 1044 | if ( !empty( $reply->id ) ) { |
| 1045 | $extra['responseId'] = $reply->id; |
| 1046 | $extra['responseDate'] = gmdate( 'Y-m-d H:i:s' ); // Track age for 30-day expiry |
| 1047 | } |
| 1048 | $rawText = apply_filters( 'mwai_chatbot_reply', $rawText, $reply, $params, $extra ); |
| 1049 | |
| 1050 | // Integrity Check: We need to store the checksum of the messages sent by the client. |
| 1051 | $stored_messages = $client_messages; |
| 1052 | $stored_messages[] = [ 'role' => 'user', 'content' => $newMessage ]; |
| 1053 | $stored_messages[] = [ 'role' => 'assistant', 'content' => $rawText ]; |
| 1054 | $stored_checksum = $this->calculate_messages_checksum( $stored_messages ); |
| 1055 | set_transient( $checksum_key, $stored_checksum, 60 * 60 * 24 * 30 ); |
| 1056 | |
| 1057 | // Actions |
| 1058 | $actions = []; |
| 1059 | if ( $reply->needClientActions ) { |
| 1060 | foreach ( $reply->needClientActions as $action ) { |
| 1061 | $actions[] = [ |
| 1062 | 'type' => 'function', |
| 1063 | 'data' => [ |
| 1064 | 'name' => $action['function']->name, |
| 1065 | 'args' => $action['arguments'] |
| 1066 | ] |
| 1067 | ]; |
| 1068 | } |
| 1069 | } |
| 1070 | |
| 1071 | $restRes = [ |
| 1072 | 'reply' => $rawText, |
| 1073 | 'chatId' => $this->core->fix_chat_id( $query, $params ), |
| 1074 | 'images' => $reply->get_type() === 'images' ? $reply->results : null, |
| 1075 | 'actions' => $actions, |
| 1076 | 'usage' => $reply->usage |
| 1077 | ]; |
| 1078 | |
| 1079 | // Add debug events if collected |
| 1080 | if ( !empty( $debugEvents ) ) { |
| 1081 | $restRes['debugEvents'] = $debugEvents; |
| 1082 | } |
| 1083 | |
| 1084 | // Add response ID if available (for Responses API) |
| 1085 | if ( !empty( $reply->id ) ) { |
| 1086 | $restRes['responseId'] = $reply->id; |
| 1087 | } |
| 1088 | |
| 1089 | // Process Reply |
| 1090 | if ( $stream ) { |
| 1091 | $final_res = $this->build_final_res( |
| 1092 | $botId, |
| 1093 | $newMessage, |
| 1094 | $newFileId, |
| 1095 | $params, |
| 1096 | $restRes['reply'], |
| 1097 | $restRes['images'], |
| 1098 | $restRes['actions'], |
| 1099 | $restRes['usage'], |
| 1100 | $restRes['responseId'] ?? null |
| 1101 | ); |
| 1102 | $this->core->stream_push( [ 'type' => 'end', 'data' => json_encode( $final_res ) ], $query ); |
| 1103 | die(); |
| 1104 | } |
| 1105 | else { |
| 1106 | return $restRes; |
| 1107 | } |
| 1108 | |
| 1109 | } |
| 1110 | catch ( Meow_MWAI_ApprovalRequiredException $e ) { |
| 1111 | // Not an error: the AI wants to run a tool that needs the user's |
| 1112 | // approval (Workspace WordPress Tools). Pause the turn, hand the pending |
| 1113 | // call to the UI, and store nothing; the turn is re-run once the user |
| 1114 | // decides (with their decision as a request param). |
| 1115 | $approval = [ 'tool' => $e->tool, 'args' => $e->args ]; |
| 1116 | if ( $stream ) { |
| 1117 | $this->core->stream_push( [ |
| 1118 | 'type' => 'live', |
| 1119 | 'subtype' => 'approval_request', |
| 1120 | 'data' => 'Waiting for your approval to run ' . $e->tool . '...', |
| 1121 | 'metadata' => $approval, |
| 1122 | ], $query ); |
| 1123 | $final_res = $this->build_final_res( $botId, $newMessage, $newFileId, $params, '', null, [], [] ); |
| 1124 | $final_res['approval'] = $approval; |
| 1125 | $this->core->stream_push( [ 'type' => 'end', 'data' => json_encode( $final_res ) ], $query ); |
| 1126 | die(); |
| 1127 | } |
| 1128 | return [ 'reply' => '', 'images' => null, 'actions' => [], 'usage' => [], 'approval' => $approval ]; |
| 1129 | } |
| 1130 | catch ( Exception $e ) { |
| 1131 | $message = apply_filters( 'mwai_ai_exception', $e->getMessage() ); |
| 1132 | if ( $stream ) { |
| 1133 | // In streaming mode this catch runs before rest_chat's, so the refusal |
| 1134 | // handling has to happen here too: overLimit lets the frontend lock the |
| 1135 | // input, and internal errors stay generic for visitors (admins get the |
| 1136 | // real one, they can act on it). |
| 1137 | $isRefusal = $e instanceof Meow_MWAI_RefusedException; |
| 1138 | $overLimit = $isRefusal && $e->reason === 'limits'; |
| 1139 | if ( !$isRefusal && !current_user_can( 'manage_options' ) ) { |
| 1140 | error_log( '[AI Engine Chatbot Error] ' . $e->getMessage() . ' in ' . $e->getFile() . ':' . $e->getLine() ); |
| 1141 | $message = 'Oops! Something went wrong on the server. Please try again, and if you are the site developer, check the PHP Error Logs for details.'; |
| 1142 | } |
| 1143 | $this->core->stream_push( [ |
| 1144 | 'type' => 'error', |
| 1145 | 'data' => $message, |
| 1146 | 'overLimit' => $overLimit |
| 1147 | ], $query ); |
| 1148 | die(); |
| 1149 | } |
| 1150 | else { |
| 1151 | throw $e; |
| 1152 | } |
| 1153 | } |
| 1154 | } |
| 1155 | |
| 1156 | public function inject_chat() { |
| 1157 | $params = $this->core->get_chatbot( $this->siteWideChatId ); |
| 1158 | $clean_params = []; |
| 1159 | if ( !empty( $params ) ) { |
| 1160 | $clean_params['window'] = true; |
| 1161 | $clean_params['id'] = $this->siteWideChatId; |
| 1162 | echo $this->chat_shortcode( $clean_params ); |
| 1163 | } |
| 1164 | return null; |
| 1165 | } |
| 1166 | |
| 1167 | public function build_front_params( $botId, $customId, $crossSite = false ) { |
| 1168 | $frontSystem = [ |
| 1169 | 'botId' => ( $customId && $customId !== '' ) ? null : sanitize_text_field( $botId ), |
| 1170 | 'customId' => ( $customId && $customId !== '' ) ? sanitize_text_field( $customId ) : null, |
| 1171 | 'userData' => $this->core->get_user_data(), |
| 1172 | // For logged-out users we deliberately do NOT embed a sessionId at HTML |
| 1173 | // render time. Page caches (WP Rocket, Cloudflare, Varnish, etc.) and |
| 1174 | // multi-backend setups would otherwise freeze one sessionId into the |
| 1175 | // cached markup and serve it to every visitor — collapsing per-visitor |
| 1176 | // rate limits, file ownership, and stats. The frontend fetches a fresh |
| 1177 | // sessionId via /start_session on first interaction, and the server |
| 1178 | // always derives session from the mwai_session_id cookie anyway |
| 1179 | // (Query_Base::__construct + inject_params ignore empty client values). |
| 1180 | 'sessionId' => is_user_logged_in() ? $this->core->get_session_id() : null, |
| 1181 | // IMPORTANT: REST nonce handling differs by user state: |
| 1182 | // - Logged-in users: get_nonce() returns a user-specific nonce created in current session context |
| 1183 | // - Logged-out users: get_nonce() returns null, they'll fetch via /start_session endpoint |
| 1184 | // This prevents rest_cookie_invalid_nonce errors for logged-in users by ensuring the nonce |
| 1185 | // matches their authentication context from the start. |
| 1186 | 'restNonce' => $crossSite ? null : $this->core->get_nonce(), |
| 1187 | 'contextId' => is_singular() ? get_the_ID() : null, |
| 1188 | 'pluginUrl' => untrailingslashit( MWAI_URL ), |
| 1189 | 'restUrl' => untrailingslashit( get_rest_url() ), |
| 1190 | 'stream' => $this->core->get_option( 'ai_streaming' ), |
| 1191 | 'debugMode' => $this->core->get_option( 'module_devtools' ) && $this->core->get_option( 'debug_mode' ), |
| 1192 | 'eventLogs' => $this->core->get_option( 'event_logs' ), |
| 1193 | 'speech_recognition' => $this->core->get_option( 'speech_recognition' ), |
| 1194 | 'speech_synthesis' => $this->core->get_option( 'speech_synthesis' ), |
| 1195 | 'typewriter' => $this->core->get_option( 'chatbot_typewriter' ), |
| 1196 | 'crossSite' => $crossSite |
| 1197 | ]; |
| 1198 | return $frontSystem; |
| 1199 | } |
| 1200 | |
| 1201 | public function resolveBotInfo( &$atts ) { |
| 1202 | $chatbot = null; |
| 1203 | $botId = $atts['id'] ?? null; |
| 1204 | $customId = $atts['custom_id'] ?? null; |
| 1205 | $parentBotId = null; |
| 1206 | |
| 1207 | if ( !$botId && !$customId ) { |
| 1208 | $botId = 'default'; |
| 1209 | } |
| 1210 | if ( $botId ) { |
| 1211 | $chatbot = $this->core->get_chatbot( $botId ); |
| 1212 | if ( !$chatbot ) { |
| 1213 | $botId = $botId ?: 'N/A'; |
| 1214 | $safe_botId = esc_html( $botId ); |
| 1215 | return [ |
| 1216 | 'error' => "AI Engine: Chatbot '{$safe_botId}' not found. If you meant to set an ID for your custom chatbot, please use 'custom_id' instead of 'id'.", |
| 1217 | ]; |
| 1218 | } |
| 1219 | } |
| 1220 | $chatbot = $chatbot ?: $this->core->get_chatbot( 'default' ); |
| 1221 | |
| 1222 | if ( !empty( $customId ) ) { |
| 1223 | if ( $botId !== null ) { |
| 1224 | $parentBotId = $botId; |
| 1225 | $botId = null; |
| 1226 | } |
| 1227 | } |
| 1228 | |
| 1229 | unset( $atts['id'] ); |
| 1230 | return [ |
| 1231 | 'chatbot' => $chatbot, |
| 1232 | 'botId' => $botId, |
| 1233 | 'customId' => $customId, |
| 1234 | 'parentBotId' => $parentBotId |
| 1235 | ]; |
| 1236 | } |
| 1237 | |
| 1238 | public function chat_shortcode( $atts ) { |
| 1239 | $atts = empty( $atts ) ? [] : $atts; |
| 1240 | |
| 1241 | foreach ( $atts as $key => $value ) { |
| 1242 | $atts[ $key ] = urldecode( $value ); |
| 1243 | } |
| 1244 | |
| 1245 | // Let the user override the chatbot params |
| 1246 | $atts = apply_filters( 'mwai_chatbot_params', $atts ); |
| 1247 | |
| 1248 | // Resolve the bot info |
| 1249 | $resolvedBot = $this->resolveBotInfo( $atts ); |
| 1250 | if ( isset( $resolvedBot['error'] ) ) { |
| 1251 | // Config mistakes are for the people who can fix them: show the error to |
| 1252 | // editors, keep it out of visitors' pages (it used to print publicly). |
| 1253 | error_log( '[AI Engine] ' . wp_strip_all_tags( $resolvedBot['error'] ) ); |
| 1254 | if ( current_user_can( 'edit_posts' ) ) { |
| 1255 | return $resolvedBot['error']; |
| 1256 | } |
| 1257 | return ''; |
| 1258 | } |
| 1259 | $chatbot = $resolvedBot['chatbot']; |
| 1260 | $botId = $resolvedBot['botId']; |
| 1261 | $customId = $resolvedBot['customId']; |
| 1262 | $parentBotId = $resolvedBot['parentBotId']; |
| 1263 | |
| 1264 | // Rename the keys of the atts into camelCase to match the internal params system. |
| 1265 | $atts = array_map( function ( $key, $value ) { |
| 1266 | $key = str_replace( '_', ' ', $key ); |
| 1267 | $key = ucwords( $key ); |
| 1268 | $key = str_replace( ' ', '', $key ); |
| 1269 | $key = lcfirst( $key ); |
| 1270 | return [ $key => $value ]; |
| 1271 | }, array_keys( $atts ), $atts ); |
| 1272 | $atts = array_merge( ...$atts ); |
| 1273 | |
| 1274 | if ( !empty( $parentBotId ) ) { |
| 1275 | $atts['parentBotId'] = $parentBotId; |
| 1276 | } |
| 1277 | |
| 1278 | $frontParams = []; |
| 1279 | // Define text parameters that need sanitization (excluding those that support HTML) |
| 1280 | $textParams = ['aiName', 'userName', 'guestName', 'textSend', 'textClear', 'textInputPlaceholder', |
| 1281 | 'startSentence', 'iconText', 'iconAlt', 'headerSubtitle', 'popupTitle', 'allowedMimeTypes', 'maxHeight', 'iconSize']; |
| 1282 | // Parameters that support HTML content |
| 1283 | $htmlParams = ['textCompliance']; |
| 1284 | // Boolean parameters that need special handling |
| 1285 | $booleanParams = ['window', 'copyButton', 'pdfButton', 'fullscreen', 'localMemory', 'iconBubble', 'centerOpen', |
| 1286 | 'imageUpload', 'fileUpload', 'multiUpload', 'fileSearch']; |
| 1287 | |
| 1288 | foreach ( MWAI_CHATBOT_FRONT_PARAMS as $param ) { |
| 1289 | // Let's go through the overriden or custom params first (the ones passed in the shortcode) |
| 1290 | if ( isset( $atts[$param] ) ) { |
| 1291 | if ( $param === 'localMemory' ) { |
| 1292 | $frontParams[$param] = $atts[$param] === 'true'; |
| 1293 | } |
| 1294 | else if ( in_array( $param, $textParams ) ) { |
| 1295 | // Sanitize text parameters to prevent XSS |
| 1296 | $frontParams[$param] = sanitize_text_field( $atts[$param] ); |
| 1297 | } |
| 1298 | else if ( in_array( $param, $htmlParams ) ) { |
| 1299 | // For HTML parameters, use wp_kses_post to allow safe HTML |
| 1300 | $frontParams[$param] = wp_kses_post( $atts[$param] ); |
| 1301 | } |
| 1302 | else if ( in_array( $param, $booleanParams ) ) { |
| 1303 | // Convert to proper boolean |
| 1304 | // Handle various boolean representations from shortcode attributes |
| 1305 | $value = $atts[$param]; |
| 1306 | if ( is_bool( $value ) ) { |
| 1307 | $frontParams[$param] = $value; |
| 1308 | } |
| 1309 | else if ( is_string( $value ) ) { |
| 1310 | $frontParams[$param] = !empty( $value ) && $value !== 'false' && $value !== '0' && $value !== 'no'; |
| 1311 | } |
| 1312 | else { |
| 1313 | $frontParams[$param] = !empty( $value ); |
| 1314 | } |
| 1315 | } |
| 1316 | else { |
| 1317 | $frontParams[$param] = $atts[$param]; |
| 1318 | } |
| 1319 | } |
| 1320 | // If not, let's use the chatbot's default values |
| 1321 | else if ( isset( $chatbot[$param] ) ) { |
| 1322 | if ( in_array( $param, $booleanParams ) ) { |
| 1323 | // Convert to proper boolean for chatbot defaults too |
| 1324 | // Handle various boolean representations |
| 1325 | $value = $chatbot[$param]; |
| 1326 | |
| 1327 | if ( is_bool( $value ) ) { |
| 1328 | $frontParams[$param] = $value; |
| 1329 | } |
| 1330 | else if ( is_string( $value ) ) { |
| 1331 | $frontParams[$param] = !empty( $value ) && $value !== 'false' && $value !== '0'; |
| 1332 | } |
| 1333 | else { |
| 1334 | $frontParams[$param] = !empty( $value ); |
| 1335 | } |
| 1336 | } |
| 1337 | else { |
| 1338 | $frontParams[$param] = $chatbot[$param]; |
| 1339 | } |
| 1340 | } |
| 1341 | |
| 1342 | // Apply the placeholders |
| 1343 | if ( in_array( $param, ['startSentence', 'iconText'] ) ) { |
| 1344 | $frontParams[$param] = $this->core->do_placeholders( $frontParams[$param] ); |
| 1345 | } |
| 1346 | } |
| 1347 | |
| 1348 | // Ensure upload params are synced |
| 1349 | // fileUpload (checkbox) determines if uploads are enabled |
| 1350 | // maxUploads (number) determines how many files can be uploaded |
| 1351 | $fileUploadEnabled = !empty( $frontParams['fileUpload'] ) || !empty( $frontParams['imageUpload'] ); |
| 1352 | $maxFiles = isset( $frontParams['maxUploads'] ) ? max( 1, (int) $frontParams['maxUploads'] ) : 1; |
| 1353 | |
| 1354 | // Sync all params for backward compatibility |
| 1355 | $frontParams['fileUpload'] = $fileUploadEnabled; |
| 1356 | $frontParams['imageUpload'] = $fileUploadEnabled; |
| 1357 | $frontParams['fileUploads'] = $fileUploadEnabled ? $maxFiles : 0; |
| 1358 | $frontParams['multiUpload'] = $fileUploadEnabled && $maxFiles > 1; |
| 1359 | $frontParams['maxUploads'] = $maxFiles; |
| 1360 | |
| 1361 | // Server Params |
| 1362 | // NOTE: We don't need the server params for the chatbot if there are no overrides, it means |
| 1363 | // we are using the default or a specific chatbot. |
| 1364 | $isSiteWide = $this->siteWideChatId && $botId === $this->siteWideChatId; |
| 1365 | |
| 1366 | // Parameters that are purely visual/UI and shouldn't trigger custom ID |
| 1367 | $visualOnlyParams = [ |
| 1368 | // Bot selectors |
| 1369 | 'id', 'custom_id', |
| 1370 | // System-added params |
| 1371 | 'crossSite', |
| 1372 | // Visual/UI parameters that don't affect AI behavior |
| 1373 | 'aiName', 'userName', 'guestName', // Display names |
| 1374 | 'aiAvatar', 'userAvatar', 'guestAvatar', 'aiAvatarUrl', 'userAvatarUrl', 'guestAvatarUrl', // Avatars |
| 1375 | 'textSend', 'textClear', 'textInputPlaceholder', 'textCompliance', // UI text labels |
| 1376 | 'textInputMaxLength', // Input constraint (visual) |
| 1377 | 'themeId', // Theme selection |
| 1378 | 'window', 'icon', 'iconText', 'iconTextDelay', 'iconAlt', 'iconPosition', // Window/icon settings |
| 1379 | 'centerOpen', 'width', 'openDelay', 'iconBubble', 'windowAnimation', 'fullscreen', // Window behavior |
| 1380 | 'copyButton', 'pdfButton', 'headerSubtitle', 'popupTitle', // UI features |
| 1381 | 'containerType', 'headerType', 'messagesType', 'inputType', 'footerType' // UI style variants |
| 1382 | ]; |
| 1383 | |
| 1384 | // Remove visual-only params from override detection |
| 1385 | $attsForOverrideCheck = array_diff_key( $atts, array_flip( $visualOnlyParams ) ); |
| 1386 | |
| 1387 | // Only these front params affect behavior and should trigger custom ID: |
| 1388 | // - mode: chat vs. prompt mode |
| 1389 | // - startSentence: initial AI message |
| 1390 | // - localMemory: affects data persistence |
| 1391 | // - imageUpload, fileUpload, multiUpload, fileSearch: affect capabilities |
| 1392 | $behavioralFrontParams = ['mode', 'startSentence', 'localMemory', 'imageUpload', 'fileUpload', 'multiUpload', 'fileSearch']; |
| 1393 | |
| 1394 | $hasServerOverrides = count( array_intersect( array_keys( $attsForOverrideCheck ), MWAI_CHATBOT_SERVER_PARAMS ) ) > 0; |
| 1395 | $hasBehavioralFrontOverrides = count( array_intersect( array_keys( $attsForOverrideCheck ), $behavioralFrontParams ) ) > 0; |
| 1396 | $hasOverrides = !$isSiteWide && ( $hasServerOverrides || $hasBehavioralFrontOverrides ); |
| 1397 | |
| 1398 | $serverParams = []; |
| 1399 | if ( $hasOverrides ) { |
| 1400 | // Server parameters don't need sanitization as they're processed server-side |
| 1401 | // and not rendered in HTML. They may contain code, HTML, etc. for AI context. |
| 1402 | foreach ( MWAI_CHATBOT_SERVER_PARAMS as $param ) { |
| 1403 | if ( isset( $atts[$param] ) ) { |
| 1404 | $serverParams[$param] = $atts[$param]; |
| 1405 | } |
| 1406 | else { |
| 1407 | // For custom chatbots, don't inherit embeddingsEnvId from the default chatbot |
| 1408 | if ( $param === 'embeddingsEnvId' && !empty( $customId ) ) { |
| 1409 | $serverParams[$param] = ''; |
| 1410 | } |
| 1411 | else { |
| 1412 | $serverParams[$param] = $chatbot[$param] ?? null; |
| 1413 | } |
| 1414 | } |
| 1415 | } |
| 1416 | } |
| 1417 | |
| 1418 | // Front Params |
| 1419 | $frontSystem = $this->build_front_params( $botId, $customId ); |
| 1420 | |
| 1421 | // Clean Params |
| 1422 | $frontParams = $this->clean_params( $frontParams ); |
| 1423 | $frontSystem = $this->clean_params( $frontSystem ); |
| 1424 | $serverParams = $this->clean_params( $serverParams ); |
| 1425 | |
| 1426 | // Server-side: Keep the System Params |
| 1427 | if ( $hasOverrides ) { |
| 1428 | if ( empty( $customId ) ) { |
| 1429 | $customId = md5( json_encode( $serverParams ) ); |
| 1430 | $frontSystem['customId'] = $customId; |
| 1431 | } |
| 1432 | set_transient( 'mwai_custom_chatbot_' . $customId, $serverParams, 60 * 60 * 24 ); |
| 1433 | } |
| 1434 | |
| 1435 | // Retrieve the actions, shortcuts, and blocks we want to inject at the beginning |
| 1436 | $filterParams = [ |
| 1437 | 'step' => 'init', |
| 1438 | 'botId' => $botId, |
| 1439 | 'params' => array_merge( $frontParams, $frontSystem, $serverParams ) |
| 1440 | ]; |
| 1441 | $actions = apply_filters( 'mwai_chatbot_actions', [], $filterParams ); |
| 1442 | $blocks = apply_filters( 'mwai_chatbot_blocks', [], $filterParams ); |
| 1443 | $shortcuts = apply_filters( 'mwai_chatbot_shortcuts', [], $filterParams ); |
| 1444 | $frontSystem['actions'] = $this->sanitize_actions( $actions ); |
| 1445 | $frontSystem['blocks'] = $this->sanitize_blocks( $blocks ); |
| 1446 | $shortcuts = $this->sanitize_shortcuts( $shortcuts ); |
| 1447 | $shortcuts = $this->prepare_shortcuts_for_client( $shortcuts, $botId ); |
| 1448 | $frontSystem['shortcuts'] = $shortcuts; |
| 1449 | |
| 1450 | // Client-side: Prepare JSON for Front Params and System Params |
| 1451 | $theme = isset( $frontParams['themeId'] ) ? $this->core->get_theme( $frontParams['themeId'] ) : null; |
| 1452 | $jsonFrontParams = htmlspecialchars( json_encode( $frontParams ), ENT_QUOTES, 'UTF-8' ); |
| 1453 | $jsonFrontSystem = htmlspecialchars( json_encode( $frontSystem ), ENT_QUOTES, 'UTF-8' ); |
| 1454 | $jsonFrontTheme = htmlspecialchars( json_encode( $theme ), ENT_QUOTES, 'UTF-8' ); |
| 1455 | //$jsonAttributes = htmlspecialchars(json_encode($atts), ENT_QUOTES, 'UTF-8'); |
| 1456 | |
| 1457 | $this->enqueue_scripts( $frontParams['themeId'] ?? null ); |
| 1458 | |
| 1459 | return "<div class='mwai-chatbot-container' data-params='{$jsonFrontParams}' data-system='{$jsonFrontSystem}' data-theme='{$jsonFrontTheme}'></div>"; |
| 1460 | } |
| 1461 | |
| 1462 | public function chatbot_discussions( $atts ) { |
| 1463 | $atts = empty( $atts ) ? [] : $atts; |
| 1464 | |
| 1465 | // Resolve the bot info |
| 1466 | $resolvedBot = $this->resolveBotInfo( $atts ); |
| 1467 | if ( isset( $resolvedBot['error'] ) ) { |
| 1468 | // Config mistakes are for the people who can fix them: show the error to |
| 1469 | // editors, keep it out of visitors' pages (it used to print publicly). |
| 1470 | error_log( '[AI Engine] ' . wp_strip_all_tags( $resolvedBot['error'] ) ); |
| 1471 | if ( current_user_can( 'edit_posts' ) ) { |
| 1472 | return $resolvedBot['error']; |
| 1473 | } |
| 1474 | return ''; |
| 1475 | } |
| 1476 | $chatbot = $resolvedBot['chatbot']; |
| 1477 | $botId = $resolvedBot['botId']; |
| 1478 | $customId = $resolvedBot['customId']; |
| 1479 | |
| 1480 | // Rename the keys of the atts into camelCase to match the internal params system. |
| 1481 | $atts = array_map( function ( $key, $value ) { |
| 1482 | $key = str_replace( '_', ' ', $key ); |
| 1483 | $key = ucwords( $key ); |
| 1484 | $key = str_replace( ' ', '', $key ); |
| 1485 | $key = lcfirst( $key ); |
| 1486 | return [ $key => $value ]; |
| 1487 | }, array_keys( $atts ), $atts ); |
| 1488 | $atts = array_merge( ...$atts ); |
| 1489 | |
| 1490 | // Front Params |
| 1491 | $frontParams = []; |
| 1492 | // All discussion params are text params that need sanitization |
| 1493 | $textParams = ['textNewChat']; |
| 1494 | |
| 1495 | foreach ( MWAI_DISCUSSIONS_FRONT_PARAMS as $param ) { |
| 1496 | if ( isset( $atts[$param] ) ) { |
| 1497 | // Sanitize text parameters |
| 1498 | $frontParams[$param] = in_array( $param, $textParams ) ? sanitize_text_field( $atts[$param] ) : $atts[$param]; |
| 1499 | } |
| 1500 | else if ( isset( $chatbot[$param] ) ) { |
| 1501 | $frontParams[$param] = $chatbot[$param]; |
| 1502 | } |
| 1503 | } |
| 1504 | |
| 1505 | // Server Params |
| 1506 | $serverParams = []; |
| 1507 | foreach ( MWAI_DISCUSSIONS_SERVER_PARAMS as $param ) { |
| 1508 | if ( isset( $atts[$param] ) ) { |
| 1509 | $serverParams[$param] = $atts[$param]; |
| 1510 | } |
| 1511 | } |
| 1512 | |
| 1513 | // Front System |
| 1514 | $frontSystem = $this->build_front_params( $botId, $customId ); |
| 1515 | // Get refresh interval from settings |
| 1516 | $refresh_interval = $this->core->get_option( 'chatbot_discussions_refresh_interval' ); |
| 1517 | if ( $refresh_interval === 'Never' ) { |
| 1518 | $frontSystem['refreshInterval'] = 0; |
| 1519 | } |
| 1520 | elseif ( $refresh_interval === 'Manual' ) { |
| 1521 | $frontSystem['refreshInterval'] = -1; |
| 1522 | } |
| 1523 | elseif ( is_numeric( $refresh_interval ) ) { |
| 1524 | $frontSystem['refreshInterval'] = intval( $refresh_interval ) * 1000; // Convert to milliseconds |
| 1525 | } |
| 1526 | else { |
| 1527 | $frontSystem['refreshInterval'] = 5000; // Default to 5 seconds |
| 1528 | } |
| 1529 | $frontSystem['refreshInterval'] = apply_filters( 'mwai_discussions_refresh_interval', $frontSystem['refreshInterval'] ); |
| 1530 | |
| 1531 | // Get paging setting |
| 1532 | $paging_option = $this->core->get_option( 'chatbot_discussions_paging' ); |
| 1533 | if ( $paging_option === 'None' ) { |
| 1534 | $frontSystem['paging'] = 0; // No pagination |
| 1535 | } |
| 1536 | else { |
| 1537 | $frontSystem['paging'] = is_numeric( $paging_option ) ? intval( $paging_option ) : 10; // Default to 10 |
| 1538 | } |
| 1539 | |
| 1540 | // Get metadata settings |
| 1541 | $frontSystem['metadata'] = [ |
| 1542 | 'enabled' => $this->core->get_option( 'chatbot_discussions_metadata_enabled' ), |
| 1543 | 'startDate' => $this->core->get_option( 'chatbot_discussions_metadata_start_date' ), |
| 1544 | 'lastUpdate' => $this->core->get_option( 'chatbot_discussions_metadata_last_update' ), |
| 1545 | 'messageCount' => $this->core->get_option( 'chatbot_discussions_metadata_message_count' ) |
| 1546 | ]; |
| 1547 | |
| 1548 | // Clean Params |
| 1549 | $frontParams = $this->clean_params( $frontParams ); |
| 1550 | $frontSystem = $this->clean_params( $frontSystem ); |
| 1551 | $serverParams = $this->clean_params( $serverParams ); |
| 1552 | |
| 1553 | $theme = isset( $frontParams['themeId'] ) ? $this->core->get_theme( $frontParams['themeId'] ) : null; |
| 1554 | $jsonFrontParams = htmlspecialchars( json_encode( $frontParams ), ENT_QUOTES, 'UTF-8' ); |
| 1555 | $jsonFrontSystem = htmlspecialchars( json_encode( $frontSystem ), ENT_QUOTES, 'UTF-8' ); |
| 1556 | $jsonFrontTheme = htmlspecialchars( json_encode( $theme ), ENT_QUOTES, 'UTF-8' ); |
| 1557 | |
| 1558 | return "<div class='mwai-discussions-container' data-params='{$jsonFrontParams}' data-system='{$jsonFrontSystem}' data-theme='{$jsonFrontTheme}'></div>"; |
| 1559 | } |
| 1560 | |
| 1561 | public function clean_params( &$params ) { |
| 1562 | foreach ( $params as $param => $value ) { |
| 1563 | if ( $param === 'restNonce' ) { |
| 1564 | continue; |
| 1565 | } |
| 1566 | // Skip only if value is null or an array - but not if it's false or 0 |
| 1567 | if ( is_null( $value ) || is_array( $value ) ) { |
| 1568 | continue; |
| 1569 | } |
| 1570 | // Handle empty strings |
| 1571 | if ( $value === '' ) { |
| 1572 | continue; |
| 1573 | } |
| 1574 | $lowerCaseValue = is_string( $value ) ? strtolower( $value ) : ''; |
| 1575 | if ( $lowerCaseValue === 'true' || $lowerCaseValue === 'false' || is_bool( $value ) ) { |
| 1576 | $params[$param] = filter_var( $value, FILTER_VALIDATE_BOOLEAN ); |
| 1577 | } |
| 1578 | else if ( is_numeric( $value ) ) { |
| 1579 | $params[$param] = filter_var( $value, FILTER_VALIDATE_FLOAT ); |
| 1580 | } |
| 1581 | } |
| 1582 | return $params; |
| 1583 | } |
| 1584 | |
| 1585 | } |
| 1586 |