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chatbot.php
1393 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', 'centerOpen', 'width', 'openDelay', 'iconBubble', 'windowAnimation', 'fullscreen', 'copyButton', '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 | // Don't load chatbot scripts on the Site Editor to avoid conflicts |
| 42 | $current_screen = function_exists( 'get_current_screen' ) ? get_current_screen() : null; |
| 43 | $is_site_editor = $current_screen && $current_screen->base === 'site-editor'; |
| 44 | |
| 45 | if ( ( is_admin() && !$is_site_editor ) || $hasSiteWideChat ) { |
| 46 | $themeId = null; |
| 47 | if ( $hasSiteWideChat ) { |
| 48 | $bot = $this->core->get_chatbot( $this->siteWideChatId ); |
| 49 | if ( $bot && isset( $bot['themeId'] ) ) { |
| 50 | $themeId = $bot['themeId']; |
| 51 | } |
| 52 | } |
| 53 | $this->enqueue_scripts( is_admin() ? null : $themeId ); |
| 54 | if ( $hasSiteWideChat ) { |
| 55 | // Chatbot Injection |
| 56 | add_action( 'wp_footer', [ $this, 'inject_chat' ] ); |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | public function enqueue_scripts( $themeId = null ) { |
| 62 | wp_enqueue_script( 'mwai_chatbot' ); |
| 63 | if ( $this->core->get_option( 'syntax_highlight' ) ) { |
| 64 | wp_enqueue_script( 'mwai_highlight' ); |
| 65 | } |
| 66 | if ( $themeId ) { |
| 67 | $this->core->enqueue_theme( $themeId ); |
| 68 | } |
| 69 | else { |
| 70 | $this->core->enqueue_themes(); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Helper method to create REST responses with automatic token refresh |
| 76 | * |
| 77 | * @param array $data The response data |
| 78 | * @param int $status HTTP status code |
| 79 | * @return WP_REST_Response |
| 80 | */ |
| 81 | protected function create_rest_response( $data, $status = 200 ) { |
| 82 | // Always check if we need to provide a new nonce |
| 83 | $current_nonce = $this->core->get_nonce( true ); |
| 84 | $request_nonce = isset( $_SERVER['HTTP_X_WP_NONCE'] ) ? $_SERVER['HTTP_X_WP_NONCE'] : null; |
| 85 | |
| 86 | // Check if nonce is approaching expiration (WordPress nonces last 12-24 hours) |
| 87 | // We'll refresh if the nonce is older than 10 hours to be safe |
| 88 | $should_refresh = false; |
| 89 | |
| 90 | if ( $request_nonce ) { |
| 91 | // Try to determine the age of the nonce |
| 92 | // WordPress uses a tick system where each tick is 12 hours |
| 93 | // If we're in the second half of the nonce's life, refresh it |
| 94 | $time = time(); |
| 95 | $nonce_tick = wp_nonce_tick(); |
| 96 | |
| 97 | // Verify if the nonce is still valid but getting old |
| 98 | $verify = wp_verify_nonce( $request_nonce, 'wp_rest' ); |
| 99 | if ( $verify === 2 ) { |
| 100 | // Nonce is valid but was generated 12-24 hours ago |
| 101 | $should_refresh = true; |
| 102 | // Log will be written when token is included in response |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | // If the nonce has changed or should be refreshed, include the new one |
| 107 | if ( $should_refresh || ( $request_nonce && $current_nonce !== $request_nonce ) ) { |
| 108 | $data['new_token'] = $current_nonce; |
| 109 | |
| 110 | // Log if server debug mode is enabled |
| 111 | if ( $this->core->get_option( 'server_debug_mode' ) ) { |
| 112 | error_log( '[AI Engine] Token refresh: Nonce refreshed (12-24 hours old)' ); |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | return new WP_REST_Response( $data, $status ); |
| 117 | } |
| 118 | |
| 119 | public function rest_api_init() { |
| 120 | register_rest_route( $this->namespace, '/chats/submit', [ |
| 121 | 'methods' => 'POST', |
| 122 | 'callback' => [ $this, 'rest_chat' ], |
| 123 | 'permission_callback' => [ $this->core, 'check_rest_nonce' ] |
| 124 | ] ); |
| 125 | } |
| 126 | |
| 127 | public function basics_security_check( $botId, $customId, $newMessage, $newFileId ) { |
| 128 | if ( !$botId && !$customId ) { |
| 129 | Meow_MWAI_Logging::warn( 'The query was rejected - no botId nor id was specified.' ); |
| 130 | return false; |
| 131 | } |
| 132 | |
| 133 | if ( $newFileId ) { |
| 134 | return true; |
| 135 | } |
| 136 | |
| 137 | // Handle null or convert to string for strlen |
| 138 | $messageStr = $newMessage === null ? '' : (string) $newMessage; |
| 139 | $length = strlen( $messageStr ); |
| 140 | if ( $length < 1 ) { |
| 141 | Meow_MWAI_Logging::warn( 'The query was rejected - message was too short.' ); |
| 142 | return false; |
| 143 | } |
| 144 | return true; |
| 145 | } |
| 146 | |
| 147 | public function build_final_res( $botId, $newMessage, $newFileId, $params, $reply, $images, $actions, $usage, $responseId = null ) { |
| 148 | $filterParams = [ |
| 149 | 'step' => 'reply', |
| 150 | 'botId' => $botId, |
| 151 | 'reply' => $reply, |
| 152 | 'images' => $images, |
| 153 | 'newMessage' => $newMessage, |
| 154 | 'newFileId' => $newFileId, |
| 155 | 'params' => $params, |
| 156 | 'usage' => $usage, |
| 157 | 'messages' => $params['messages'] ?? [], |
| 158 | 'isNewConversation' => empty( $params['messages'] ) || count( $params['messages'] ) <= 1, |
| 159 | ]; |
| 160 | $actions = apply_filters( 'mwai_chatbot_actions', $actions, $filterParams ); |
| 161 | $blocks = apply_filters( 'mwai_chatbot_blocks', [], $filterParams ); |
| 162 | $shortcuts = apply_filters( 'mwai_chatbot_shortcuts', [], $filterParams ); |
| 163 | $actions = $this->sanitize_actions( $actions ); |
| 164 | $blocks = $this->sanitize_blocks( $blocks ); |
| 165 | $shortcuts = $this->sanitize_shortcuts( $shortcuts ); |
| 166 | $shortcuts = $this->prepare_shortcuts_for_client( $shortcuts, $botId ); |
| 167 | $result = [ |
| 168 | 'success' => true, |
| 169 | 'reply' => $reply, |
| 170 | 'images' => $images, |
| 171 | 'actions' => $actions, |
| 172 | 'shortcuts' => $shortcuts, |
| 173 | 'blocks' => $blocks, |
| 174 | 'usage' => $usage |
| 175 | ]; |
| 176 | |
| 177 | // Add response ID if available |
| 178 | if ( !empty( $responseId ) ) { |
| 179 | $result['responseId'] = $responseId; |
| 180 | } |
| 181 | |
| 182 | // Check if token needs refresh |
| 183 | $current_nonce = $this->core->get_nonce( true ); |
| 184 | $request_nonce = isset( $_SERVER['HTTP_X_WP_NONCE'] ) ? $_SERVER['HTTP_X_WP_NONCE'] : null; |
| 185 | |
| 186 | $should_refresh = false; |
| 187 | if ( $request_nonce ) { |
| 188 | $verify = wp_verify_nonce( $request_nonce, 'wp_rest' ); |
| 189 | if ( $verify === 2 ) { |
| 190 | // Nonce is valid but was generated 12-24 hours ago |
| 191 | $should_refresh = true; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | if ( $should_refresh || ( $request_nonce && $current_nonce !== $request_nonce ) ) { |
| 196 | $result['new_token'] = $current_nonce; |
| 197 | } |
| 198 | |
| 199 | return $result; |
| 200 | } |
| 201 | |
| 202 | public function rest_chat( $request ) { |
| 203 | $params = $request->get_json_params(); |
| 204 | $botId = $params['botId'] ?? null; |
| 205 | $customId = $params['customId'] ?? null; |
| 206 | $stream = $params['stream'] ?? false; |
| 207 | $newMessage = trim( $params['newMessage'] ?? '' ); |
| 208 | $newFileId = $params['newFileId'] ?? null; |
| 209 | $newFileIds = $params['newFileIds'] ?? []; |
| 210 | $crossSite = $params['crossSite'] ?? false; |
| 211 | $shortcutId = $params['shortcutId'] ?? null; |
| 212 | |
| 213 | // If shortcutId is provided, look up the actual message |
| 214 | if ( $shortcutId && empty( $newMessage ) ) { |
| 215 | $shortcutMessage = $this->get_shortcut_message( $shortcutId, $botId ); |
| 216 | if ( $shortcutMessage ) { |
| 217 | $newMessage = $shortcutMessage; |
| 218 | } |
| 219 | else { |
| 220 | return $this->create_rest_response( [ |
| 221 | 'success' => false, |
| 222 | 'message' => 'Invalid or expired shortcut.' |
| 223 | ], 400 ); |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | if ( !$this->basics_security_check( $botId, $customId, $newMessage, $newFileId ) ) { |
| 228 | return $this->create_rest_response( [ |
| 229 | 'success' => false, |
| 230 | 'message' => apply_filters( 'mwai_ai_exception', 'Sorry, your query has been rejected.' ) |
| 231 | ], 403 ); |
| 232 | } |
| 233 | |
| 234 | try { |
| 235 | $data = $this->chat_submit( $botId, $newMessage, $newFileId, $params, $stream, $newFileIds ); |
| 236 | $final_res = $this->build_final_res( |
| 237 | $botId, |
| 238 | $newMessage, |
| 239 | $newFileId, |
| 240 | $params, |
| 241 | $data['reply'], |
| 242 | $data['images'], |
| 243 | $data['actions'], |
| 244 | $data['usage'], |
| 245 | $data['responseId'] ?? null |
| 246 | ); |
| 247 | return $this->create_rest_response( $final_res, 200 ); |
| 248 | } |
| 249 | catch ( Exception $e ) { |
| 250 | $message = apply_filters( 'mwai_ai_exception', $e->getMessage() ); |
| 251 | |
| 252 | // If we're in streaming mode, send the error through the stream |
| 253 | if ( $stream ) { |
| 254 | // Log the error |
| 255 | error_log( '[AI Engine Chatbot Error] ' . $e->getMessage() . ' in ' . $e->getFile() . ':' . $e->getLine() ); |
| 256 | |
| 257 | // Send error event through stream |
| 258 | $errorData = [ |
| 259 | 'type' => 'error', |
| 260 | 'data' => 'Oops! Something went wrong on the server. Please try again, and if you are the site developer, check the PHP Error Logs for details.' |
| 261 | ]; |
| 262 | echo 'data: ' . json_encode( $errorData ) . "\n\n"; |
| 263 | if ( ob_get_level() > 0 ) { |
| 264 | ob_end_flush(); |
| 265 | } |
| 266 | flush(); |
| 267 | die(); |
| 268 | } |
| 269 | |
| 270 | // For non-streaming, return normal error response |
| 271 | return $this->create_rest_response( [ |
| 272 | 'success' => false, |
| 273 | 'message' => $message |
| 274 | ], 500 ); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | private function sanitize_items( $items, $supported_types, $type_name ) { |
| 279 | if ( empty( $items ) ) { |
| 280 | return $items; |
| 281 | } |
| 282 | $sanitized_items = []; |
| 283 | foreach ( $items as $item ) { |
| 284 | if ( isset( $supported_types[$item['type']] ) ) { |
| 285 | $is_valid = true; |
| 286 | foreach ( $supported_types[$item['type']] as $param ) { |
| 287 | if ( !isset( $item['data'][$param] ) ) { |
| 288 | $is_valid = false; |
| 289 | Meow_MWAI_Logging::warn( "The query was rejected - missing required parameter '{$param}' for {$type_name} type: {$item['type']}." ); |
| 290 | break; |
| 291 | } |
| 292 | } |
| 293 | if ( $is_valid ) { |
| 294 | $sanitized_items[] = $item; |
| 295 | } |
| 296 | } |
| 297 | else { |
| 298 | Meow_MWAI_Logging::warn( "The query was rejected - unsupported {$type_name} type: {$item['type']}." ); |
| 299 | } |
| 300 | } |
| 301 | return $sanitized_items; |
| 302 | } |
| 303 | |
| 304 | public function sanitize_actions( $actions ) { |
| 305 | $supported_action_types = [ |
| 306 | 'function' => ['name', 'args'], |
| 307 | 'javascript' => ['snippet'], |
| 308 | ]; |
| 309 | return $this->sanitize_items( $actions, $supported_action_types, 'action' ); |
| 310 | } |
| 311 | |
| 312 | public function sanitize_blocks( $blocks ) { |
| 313 | $supported_block_types = [ |
| 314 | 'content' => ['html'], |
| 315 | ]; |
| 316 | return $this->sanitize_items( $blocks, $supported_block_types, 'block' ); |
| 317 | } |
| 318 | |
| 319 | public function sanitize_shortcuts( $shortcuts ) { |
| 320 | $supported_shortcut_types = [ |
| 321 | 'message' => ['label', 'message'], |
| 322 | 'action' => ['label', 'message', 'action'], |
| 323 | 'callback' => ['label', 'onClick'], |
| 324 | ]; |
| 325 | return $this->sanitize_items( $shortcuts, $supported_shortcut_types, 'shortcut' ); |
| 326 | } |
| 327 | |
| 328 | /** |
| 329 | * Prepare shortcuts for client by replacing messages with shortcutIds. |
| 330 | * The actual messages are stored server-side and looked up when the shortcut is clicked. |
| 331 | * This keeps the prompt content private and not exposed in the browser. |
| 332 | * |
| 333 | * @param array $shortcuts The shortcuts to prepare. |
| 334 | * @param string $botId The bot ID for validation. |
| 335 | * @return array The prepared shortcuts with shortcutIds instead of messages. |
| 336 | */ |
| 337 | public function prepare_shortcuts_for_client( $shortcuts, $botId ) { |
| 338 | if ( empty( $shortcuts ) ) { |
| 339 | return $shortcuts; |
| 340 | } |
| 341 | |
| 342 | $prepared = []; |
| 343 | foreach ( $shortcuts as $shortcut ) { |
| 344 | $type = $shortcut['type'] ?? ''; |
| 345 | $data = $shortcut['data'] ?? []; |
| 346 | |
| 347 | // Only process shortcuts that have a message (not callbacks) |
| 348 | if ( isset( $data['message'] ) && !empty( $data['message'] ) ) { |
| 349 | // Generate a unique shortcut ID |
| 350 | $shortcutId = wp_generate_uuid4(); |
| 351 | |
| 352 | // Store the message server-side (transient with 1 hour expiry) |
| 353 | $transient_key = 'mwai_shortcut_' . $shortcutId; |
| 354 | set_transient( $transient_key, [ |
| 355 | 'message' => $data['message'], |
| 356 | 'botId' => $botId, |
| 357 | ], HOUR_IN_SECONDS ); |
| 358 | |
| 359 | // Replace message with shortcutId |
| 360 | unset( $data['message'] ); |
| 361 | $data['shortcutId'] = $shortcutId; |
| 362 | } |
| 363 | |
| 364 | $prepared[] = [ |
| 365 | 'type' => $type, |
| 366 | 'data' => $data, |
| 367 | ]; |
| 368 | } |
| 369 | |
| 370 | return $prepared; |
| 371 | } |
| 372 | |
| 373 | /** |
| 374 | * Look up a shortcut message by its ID. |
| 375 | * |
| 376 | * @param string $shortcutId The shortcut ID. |
| 377 | * @param string $botId The bot ID for validation. |
| 378 | * @return string|null The message, or null if not found. |
| 379 | */ |
| 380 | public function get_shortcut_message( $shortcutId, $botId ) { |
| 381 | if ( empty( $shortcutId ) ) { |
| 382 | return null; |
| 383 | } |
| 384 | |
| 385 | $transient_key = 'mwai_shortcut_' . $shortcutId; |
| 386 | $shortcut_data = get_transient( $transient_key ); |
| 387 | |
| 388 | if ( !$shortcut_data || !isset( $shortcut_data['message'] ) ) { |
| 389 | return null; |
| 390 | } |
| 391 | |
| 392 | // Validate botId matches (security check) |
| 393 | if ( isset( $shortcut_data['botId'] ) && $shortcut_data['botId'] !== $botId ) { |
| 394 | Meow_MWAI_Logging::warn( "Shortcut botId mismatch: expected {$shortcut_data['botId']}, got {$botId}" ); |
| 395 | return null; |
| 396 | } |
| 397 | |
| 398 | return $shortcut_data['message']; |
| 399 | } |
| 400 | |
| 401 | #region Messages Integrity Check |
| 402 | |
| 403 | public function messages_integrity_diff( $messages1, $messages2 ) { |
| 404 | // Ensure both parameters are arrays |
| 405 | if ( !is_array( $messages1 ) ) { |
| 406 | $messages1 = []; |
| 407 | } |
| 408 | if ( !is_array( $messages2 ) ) { |
| 409 | $messages2 = []; |
| 410 | } |
| 411 | |
| 412 | // Collect messages with role not 'user' from messages1 |
| 413 | $messagesList1 = []; |
| 414 | foreach ( $messages1 as $msg ) { |
| 415 | $role = isset( $msg->role ) ? $msg->role : ( isset( $msg['role'] ) ? $msg['role'] : null ); |
| 416 | $content = isset( $msg->content ) ? $msg->content : ( isset( $msg['content'] ) ? $msg['content'] : null ); |
| 417 | if ( $role && $role != 'user' ) { |
| 418 | $messageData = [ 'role' => $role, 'content' => $content ]; |
| 419 | $messagesList1[] = $messageData; |
| 420 | } |
| 421 | } |
| 422 | |
| 423 | // Collect messages with role not 'user' from messages2 |
| 424 | $messagesList2 = []; |
| 425 | foreach ( $messages2 as $msg ) { |
| 426 | $role = isset( $msg->role ) ? $msg->role : ( isset( $msg['role'] ) ? $msg['role'] : null ); |
| 427 | $content = isset( $msg->content ) ? $msg->content : ( isset( $msg['content'] ) ? $msg['content'] : null ); |
| 428 | if ( $role && $role != 'user' ) { |
| 429 | $messageData = [ 'role' => $role, 'content' => $content ]; |
| 430 | $messagesList2[] = $messageData; |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | // Count occurrences of each message in messagesList1 |
| 435 | $counts1 = []; |
| 436 | foreach ( $messagesList1 as $msg ) { |
| 437 | $key = serialize( $msg ); |
| 438 | if ( isset( $counts1[ $key ] ) ) { |
| 439 | $counts1[ $key ]++; |
| 440 | } |
| 441 | else { |
| 442 | $counts1[ $key ] = 1; |
| 443 | } |
| 444 | } |
| 445 | |
| 446 | // Count occurrences of each message in messagesList2 |
| 447 | $counts2 = []; |
| 448 | foreach ( $messagesList2 as $msg ) { |
| 449 | $key = serialize( $msg ); |
| 450 | if ( isset( $counts2[ $key ] ) ) { |
| 451 | $counts2[ $key ]++; |
| 452 | } |
| 453 | else { |
| 454 | $counts2[ $key ] = 1; |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | // Compare counts to find unmatched messages |
| 459 | $all_keys = array_unique( array_merge( array_keys( $counts1 ), array_keys( $counts2 ) ) ); |
| 460 | |
| 461 | $diffs = []; |
| 462 | foreach ( $all_keys as $key ) { |
| 463 | $count1 = isset( $counts1[ $key ] ) ? $counts1[ $key ] : 0; |
| 464 | $count2 = isset( $counts2[ $key ] ) ? $counts2[ $key ] : 0; |
| 465 | if ( $count1 != $count2 ) { |
| 466 | $message = unserialize( $key ); |
| 467 | $diffs[] = [ |
| 468 | 'message' => $message, |
| 469 | 'count_in_messages1' => $count1, |
| 470 | 'count_in_messages2' => $count2 |
| 471 | ]; |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | return $diffs; |
| 476 | } |
| 477 | |
| 478 | private function calculate_messages_checksum( $messages ) { |
| 479 | $messages_to_hash = []; |
| 480 | foreach ( $messages as $msg ) { |
| 481 | $role = is_array( $msg ) ? ( $msg['role'] ?? '' ) : ( is_object( $msg ) ? ( $msg->role ?? '' ) : '' ); |
| 482 | $content = is_array( $msg ) ? ( $msg['content'] ?? '' ) : ( is_object( $msg ) ? ( $msg->content ?? '' ) : '' ); |
| 483 | if ( in_array( $role, ['assistant', 'system'] ) ) { |
| 484 | $messages_to_hash[] = [ 'role' => $role, 'content' => $content ]; |
| 485 | } |
| 486 | } |
| 487 | return md5( json_encode( $messages_to_hash ) ); |
| 488 | } |
| 489 | |
| 490 | #endregion |
| 491 | |
| 492 | public function chat_submit( $botId, $newMessage, $newFileId = null, $params = [], $stream = false, $newFileIds = [] ) { |
| 493 | $query = null; // Initialize query variable to avoid undefined variable errors |
| 494 | try { |
| 495 | $chatbot = null; |
| 496 | $customId = $params['customId'] ?? null; |
| 497 | |
| 498 | // Custom Chatbot |
| 499 | if ( $customId ) { |
| 500 | $chatbot = get_transient( 'mwai_custom_chatbot_' . $customId ); |
| 501 | } |
| 502 | // Registered Chatbot |
| 503 | if ( !$chatbot && $botId ) { |
| 504 | $chatbot = $this->core->get_chatbot( $botId ); |
| 505 | } |
| 506 | // Fall back to default chatbot if no chatbot found yet |
| 507 | if ( !$chatbot ) { |
| 508 | $chatbot = $this->core->get_chatbot( 'default' ); |
| 509 | } |
| 510 | |
| 511 | if ( !$chatbot ) { |
| 512 | Meow_MWAI_Logging::warn( 'The query was rejected - no chatbot was found.' ); |
| 513 | throw new Exception( 'Sorry, your query has been rejected.' ); |
| 514 | } |
| 515 | |
| 516 | $textInputMaxLength = $chatbot['textInputMaxLength'] ?? null; |
| 517 | if ( $textInputMaxLength && $this->core->safe_strlen( $newMessage ) > (int) $textInputMaxLength ) { |
| 518 | Meow_MWAI_Logging::warn( 'The query was rejected - message was too long.' ); |
| 519 | throw new Exception( 'Sorry, your query has been rejected.' ); |
| 520 | } |
| 521 | |
| 522 | // We need to check the integrity of the messages sent by the client. |
| 523 | // This is important to ensure that the messages are not tampered with. |
| 524 | |
| 525 | // Messages Integrity Check with Checksums |
| 526 | $chatId = $params['chatId'] ?? 'default'; |
| 527 | $checksum_key = 'mwai_chatbot_checksum_' . $chatId; |
| 528 | $stored_checksum = get_transient( $checksum_key ); |
| 529 | $client_messages = $params['messages'] ?? []; |
| 530 | $client_checksum = $this->calculate_messages_checksum( $client_messages ); |
| 531 | if ( $stored_checksum && $stored_checksum !== $client_checksum ) { |
| 532 | 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.' ); |
| 533 | } |
| 534 | |
| 535 | // Messages Integrity Check with Discussions |
| 536 | if ( $this->core->get_option( 'chatbot_discussions' ) && $this->core->discussions && isset( $params['chatId'] ) ) { |
| 537 | $discussion = $this->core->discussions->get_discussion( $botId ? $botId : $customId, $params['chatId'] ); |
| 538 | if ( $discussion ) { |
| 539 | $messages = $discussion['messages']; |
| 540 | $clientMessages = isset( $params['messages'] ) ? $params['messages'] : []; |
| 541 | $diffs = $this->messages_integrity_diff( $messages, $clientMessages ); |
| 542 | if ( count( $diffs ) > 0 ) { |
| 543 | Meow_MWAI_Logging::warn( "Integrity Check: It seems the messages in the discussion #{$discussion['id']} do not match the ones sent by the client." ); |
| 544 | } |
| 545 | |
| 546 | // Maintain conversation state for Responses API by loading previousResponseId |
| 547 | // This enables stateful conversations where only new messages are sent |
| 548 | if ( empty( $params['previousResponseId'] ) && !empty( $discussion['extra'] ) ) { |
| 549 | $extra = json_decode( $discussion['extra'], true ); |
| 550 | if ( !empty( $extra['responseId'] ) ) { |
| 551 | // Response IDs expire after 30 days per OpenAI's policy |
| 552 | // Check if the stored response is still valid |
| 553 | $responseDate = !empty( $extra['responseDate'] ) ? strtotime( $extra['responseDate'] ) : 0; |
| 554 | $thirtyDaysAgo = time() - ( 30 * 24 * 60 * 60 ); |
| 555 | |
| 556 | if ( $responseDate > $thirtyDaysAgo ) { |
| 557 | // Use the stored response ID for stateful conversation |
| 558 | $params['previousResponseId'] = $extra['responseId']; |
| 559 | } |
| 560 | } |
| 561 | } |
| 562 | } |
| 563 | else { |
| 564 | // No discussion yet? We still need to check the startSentence. |
| 565 | $startSentence = isset( $chatbot['startSentence'] ) ? $chatbot['startSentence'] : null; |
| 566 | $messages = []; |
| 567 | if ( !empty( $startSentence ) ) { |
| 568 | $messages[] = [ 'role' => 'assistant', 'content' => $startSentence ]; |
| 569 | } |
| 570 | $clientMessages = isset( $params['messages'] ) ? $params['messages'] : []; |
| 571 | $diffs = $this->messages_integrity_diff( $messages, $clientMessages ); |
| 572 | if ( count( $diffs ) > 0 ) { |
| 573 | 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 ) ); |
| 574 | } |
| 575 | } |
| 576 | } |
| 577 | |
| 578 | // Create QueryText |
| 579 | $context = null; |
| 580 | $streamCallback = null; |
| 581 | $mode = $chatbot['mode'] ?? 'chat'; |
| 582 | |
| 583 | if ( $mode === 'images' ) { |
| 584 | // Check for uploaded files |
| 585 | $fileForImage = null; |
| 586 | if ( !empty( $newFileIds ) && is_array( $newFileIds ) ) { |
| 587 | $fileForImage = $newFileIds[0]; |
| 588 | } |
| 589 | elseif ( !empty( $newFileId ) ) { |
| 590 | $fileForImage = $newFileId; |
| 591 | } |
| 592 | |
| 593 | // If there's an uploaded file, use EditImage query instead |
| 594 | if ( !empty( $fileForImage ) ) { |
| 595 | $query = new Meow_MWAI_Query_EditImage( $newMessage ); |
| 596 | |
| 597 | // Handle the uploaded image |
| 598 | $url = $this->core->files->get_url( $fileForImage ); |
| 599 | $mimeType = $this->core->files->get_mime_type( $fileForImage ); |
| 600 | $isIMG = in_array( $mimeType, [ 'image/jpeg', 'image/png', 'image/gif', 'image/webp' ] ); |
| 601 | |
| 602 | if ( $isIMG ) { |
| 603 | $query->add_file( Meow_MWAI_Query_DroppedFile::from_url( $url, 'analysis', $mimeType ) ); |
| 604 | $fileId = $this->core->files->get_id_from_refId( $fileForImage ); |
| 605 | $this->core->files->update_purpose( $fileId, 'analysis' ); |
| 606 | } |
| 607 | } |
| 608 | else { |
| 609 | $query = new Meow_MWAI_Query_Image( $newMessage ); |
| 610 | } |
| 611 | |
| 612 | // Handle Params |
| 613 | $newParams = []; |
| 614 | foreach ( $chatbot as $key => $value ) { |
| 615 | $newParams[$key] = $value; |
| 616 | } |
| 617 | if ( is_array( $params ) ) { |
| 618 | foreach ( $params as $key => $value ) { |
| 619 | $newParams[$key] = $value; |
| 620 | } |
| 621 | } |
| 622 | |
| 623 | // Map 'environment' field to 'envId' for compatibility |
| 624 | if ( isset( $newParams['environment'] ) && !isset( $newParams['envId'] ) ) { |
| 625 | $newParams['envId'] = $newParams['environment']; |
| 626 | } |
| 627 | |
| 628 | $params = apply_filters( 'mwai_chatbot_params', $newParams ); |
| 629 | $params['scope'] = empty( $params['scope'] ) ? 'chatbot' : $params['scope']; |
| 630 | |
| 631 | // Debug log for embeddings |
| 632 | if ( !empty( $params['embeddingsEnvId'] ) ) { |
| 633 | Meow_MWAI_Logging::log( 'Chatbot: Setting embeddingsEnvId on query: ' . $params['embeddingsEnvId'] ); |
| 634 | } |
| 635 | else { |
| 636 | // Log all params to debug |
| 637 | $paramKeys = array_keys( $params ); |
| 638 | Meow_MWAI_Logging::log( 'Chatbot: No embeddingsEnvId found. Available params: ' . implode( ', ', $paramKeys ) ); |
| 639 | } |
| 640 | |
| 641 | $query->inject_params( $params ); |
| 642 | } |
| 643 | else { |
| 644 | $query = $mode === 'assistant' ? new Meow_MWAI_Query_Assistant( $newMessage ) : |
| 645 | new Meow_MWAI_Query_Text( $newMessage, 4096 ); |
| 646 | |
| 647 | // Handle Params |
| 648 | $newParams = []; |
| 649 | foreach ( $chatbot as $key => $value ) { |
| 650 | $newParams[$key] = $value; |
| 651 | } |
| 652 | if ( is_array( $params ) ) { |
| 653 | foreach ( $params as $key => $value ) { |
| 654 | $newParams[$key] = $value; |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | // Map 'environment' field to 'envId' for compatibility |
| 659 | if ( isset( $newParams['environment'] ) && !isset( $newParams['envId'] ) ) { |
| 660 | $newParams['envId'] = $newParams['environment']; |
| 661 | } |
| 662 | |
| 663 | $params = apply_filters( 'mwai_chatbot_params', $newParams ); |
| 664 | $params['scope'] = empty( $params['scope'] ) ? 'chatbot' : $params['scope']; |
| 665 | |
| 666 | // Debug log for embeddings |
| 667 | if ( !empty( $params['embeddingsEnvId'] ) ) { |
| 668 | Meow_MWAI_Logging::log( 'Chatbot: Setting embeddingsEnvId on query: ' . $params['embeddingsEnvId'] ); |
| 669 | } |
| 670 | else { |
| 671 | // Log all params to debug |
| 672 | $paramKeys = array_keys( $params ); |
| 673 | Meow_MWAI_Logging::log( 'Chatbot: No embeddingsEnvId found. Available params: ' . implode( ', ', $paramKeys ) ); |
| 674 | } |
| 675 | |
| 676 | // In Prompt mode, clear out features that are not supported before injecting params |
| 677 | if ( $mode === 'prompt' ) { |
| 678 | // Clear embeddings/context settings |
| 679 | unset( $params['embeddingsEnvId'] ); |
| 680 | unset( $params['embeddingsIndex'] ); |
| 681 | unset( $params['embeddingsNamespace'] ); |
| 682 | unset( $params['contentAware'] ); |
| 683 | unset( $params['context'] ); |
| 684 | |
| 685 | // Clear function calling and MCP servers |
| 686 | unset( $params['functions'] ); |
| 687 | unset( $params['mcpServers'] ); |
| 688 | |
| 689 | // Clear tools |
| 690 | unset( $params['tools'] ); |
| 691 | |
| 692 | // Clear temperature, reasoning, verbosity as they're configured in the prompt |
| 693 | unset( $params['temperature'] ); |
| 694 | unset( $params['reasoningEffort'] ); |
| 695 | unset( $params['verbosity'] ); |
| 696 | unset( $params['maxTokens'] ); |
| 697 | } |
| 698 | |
| 699 | $query->inject_params( $params ); |
| 700 | |
| 701 | // Handle Prompt mode specifics |
| 702 | if ( $mode === 'prompt' && !empty( $params['promptId'] ) ) { |
| 703 | $promptData = [ 'id' => $params['promptId'] ]; |
| 704 | $query->setExtraParam( 'prompt', $promptData ); |
| 705 | } |
| 706 | |
| 707 | $storeId = null; |
| 708 | if ( $mode === 'assistant' ) { |
| 709 | $chatId = $params['chatId'] ?? null; |
| 710 | if ( !empty( $chatId ) && $this->core->discussions ) { |
| 711 | $discussion = $this->core->discussions->get_discussion( $query->botId, $chatId ); |
| 712 | if ( isset( $discussion['storeId'] ) ) { |
| 713 | $storeId = $discussion['storeId']; |
| 714 | $query->setStoreId( $storeId ); |
| 715 | } |
| 716 | } |
| 717 | } |
| 718 | |
| 719 | // Support for Multiple Uploaded Files |
| 720 | $filesToProcess = []; |
| 721 | if ( !empty( $newFileIds ) && is_array( $newFileIds ) ) { |
| 722 | $filesToProcess = $newFileIds; |
| 723 | } |
| 724 | elseif ( !empty( $newFileId ) ) { |
| 725 | $filesToProcess[] = $newFileId; |
| 726 | } |
| 727 | |
| 728 | // Support for Uploaded Image/Files |
| 729 | if ( !empty( $filesToProcess ) ) { |
| 730 | // Process all files for multi-upload support |
| 731 | foreach ( $filesToProcess as $fileToProcess ) { |
| 732 | // Get extension and mime type |
| 733 | $isImage = $this->core->files->is_image( $fileToProcess ); |
| 734 | |
| 735 | if ( $mode === 'assistant' && !$isImage ) { |
| 736 | // DEPRECATED: Assistants API and File Search are deprecated |
| 737 | // After August 26, 2026, this entire block should be removed |
| 738 | 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.' ); |
| 739 | |
| 740 | $url = $this->core->files->get_path( $fileToProcess ); |
| 741 | $data = $this->core->files->get_data( $fileToProcess ); |
| 742 | $openai = Meow_MWAI_Engines_Factory::get_openai( $this->core, $query->envId ); |
| 743 | $filename = basename( $url ); |
| 744 | |
| 745 | // Upload the file |
| 746 | $file = $openai->upload_file( $filename, $data, 'assistants' ); |
| 747 | |
| 748 | // Create a store |
| 749 | if ( empty( $storeId ) ) { |
| 750 | $chatbotName = 'mwai_' . strtolower( !empty( $chatbot['name'] ) ? $chatbot['name'] : 'default' ); |
| 751 | if ( !empty( $query->chatId ) ) { |
| 752 | $chatbotName .= '_' . $query->chatId; |
| 753 | } |
| 754 | $metadata = []; |
| 755 | if ( !empty( $chatbot['assistantId'] ) ) { |
| 756 | $metadata['assistantId'] = $chatbot['assistantId']; |
| 757 | } |
| 758 | if ( !empty( $query->chatId ) ) { |
| 759 | $metadata['chatId'] = $query->chatId; |
| 760 | } |
| 761 | $expiry = $this->core->get_option( 'image_expires' ); |
| 762 | $storeId = $openai->create_vector_store( $chatbotName, $expiry, $metadata ); |
| 763 | $query->setStoreId( $storeId ); |
| 764 | } |
| 765 | |
| 766 | // Add the file to the store - wait a moment for store to be ready |
| 767 | sleep( 1 ); |
| 768 | $storeFileId = $openai->add_vector_store_file( $storeId, $file['id'] ); |
| 769 | |
| 770 | if ( empty( $storeFileId ) ) { |
| 771 | throw new Exception( 'Failed to add file to vector store.' ); |
| 772 | } |
| 773 | |
| 774 | // Update the local file with the OpenAI RefId, StoreId and StoreFileId |
| 775 | $openAiRefId = $file['id']; |
| 776 | $internalFileId = $this->core->files->get_id_from_refId( $fileToProcess ); |
| 777 | $this->core->files->update_refId( $internalFileId, $openAiRefId ); |
| 778 | $this->core->files->update_envId( $internalFileId, $query->envId ); |
| 779 | $this->core->files->update_purpose( $internalFileId, 'analysis' ); |
| 780 | $this->core->files->add_metadata( $internalFileId, 'assistant_storeId', $storeId ); |
| 781 | $this->core->files->add_metadata( $internalFileId, 'assistant_storeFileId', $storeFileId ); |
| 782 | $fileToProcess = $openAiRefId; |
| 783 | $scope = $params['fileSearch']; |
| 784 | if ( $scope === 'discussion' || $scope === 'user' || $scope === 'assistant' ) { |
| 785 | $id = $this->core->files->get_id_from_refId( $fileToProcess ); |
| 786 | $this->core->files->add_metadata( $id, 'assistant_scope', $scope ); |
| 787 | } |
| 788 | } |
| 789 | else { |
| 790 | // Keep track of the internal file ID (before any OpenAI processing) |
| 791 | // Important: $fileToProcess is our internal database refId, not OpenAI's file_id |
| 792 | $internalRefId = $fileToProcess; |
| 793 | $url = $this->core->files->get_url( $internalRefId ); |
| 794 | $mimeType = $this->core->files->get_mime_type( $internalRefId ); |
| 795 | $isIMG = in_array( $mimeType, [ 'image/jpeg', 'image/png', 'image/gif', 'image/webp' ] ); |
| 796 | |
| 797 | // Create DroppedFile object - provider-agnostic approach |
| 798 | // Images use URL (can be sent as base64 or URL in messages) |
| 799 | // PDFs use refId (engines will upload to their Files API as needed) |
| 800 | if ( $isIMG ) { |
| 801 | $droppedFile = Meow_MWAI_Query_DroppedFile::from_url( $url, 'analysis', $mimeType ); |
| 802 | } |
| 803 | else { |
| 804 | // For PDFs and documents, use refId so engines can access file data directly |
| 805 | $droppedFile = Meow_MWAI_Query_DroppedFile::from_refId( $internalRefId, 'analysis', $mimeType ); |
| 806 | } |
| 807 | |
| 808 | // IMPORTANT: Always use add_file() to add to attachedFiles array |
| 809 | // This is the unified approach for both single and multi-file uploads |
| 810 | // Engines will check attachedFiles array first, then fall back to attachedFile (legacy) |
| 811 | $query->add_file( $droppedFile ); |
| 812 | |
| 813 | // Update metadata using the internal refId (not OpenAI file ID) |
| 814 | $fileId = $this->core->files->get_id_from_refId( $internalRefId ); |
| 815 | $this->core->files->update_envId( $fileId, $query->envId ); |
| 816 | $this->core->files->update_purpose( $fileId, 'analysis' ); |
| 817 | $this->core->files->add_metadata( $fileId, 'query_envId', $query->envId ); |
| 818 | $this->core->files->add_metadata( $fileId, 'query_session', $query->session ); |
| 819 | } |
| 820 | } |
| 821 | } |
| 822 | |
| 823 | // Takeover |
| 824 | $takeoverAnswer = apply_filters( 'mwai_chatbot_takeover', null, $query, $params ); |
| 825 | if ( !empty( $takeoverAnswer ) ) { |
| 826 | $reply = new Meow_MWAI_Reply( $query ); |
| 827 | $reply->result = $takeoverAnswer; |
| 828 | $rawText = apply_filters( 'mwai_chatbot_reply', $takeoverAnswer, $reply, $params, [] ); |
| 829 | return [ |
| 830 | 'reply' => $rawText, |
| 831 | 'chatId' => $this->core->fix_chat_id( $query, $params ), |
| 832 | 'images' => null, |
| 833 | 'actions' => [], |
| 834 | 'usage' => null |
| 835 | ]; |
| 836 | } |
| 837 | |
| 838 | // Moderation |
| 839 | $moderationEnabled = $this->core->get_option( 'module_moderation' ) && |
| 840 | $this->core->get_option( 'shortcode_chat_moderation' ); |
| 841 | if ( $moderationEnabled ) { |
| 842 | global $mwai; |
| 843 | $isFlagged = $mwai->moderationCheck( $query->get_message() ); |
| 844 | if ( $isFlagged ) { |
| 845 | throw new Exception( 'Sorry, your message has been rejected by moderation.' ); |
| 846 | } |
| 847 | } |
| 848 | |
| 849 | // Setup streaming if enabled (before embeddings to capture those events) |
| 850 | $streamCallback = null; |
| 851 | $debugEvents = []; |
| 852 | |
| 853 | if ( $stream ) { |
| 854 | $streamCallback = function ( $reply ) use ( $query ) { |
| 855 | // Support both legacy string data and new Event objects |
| 856 | if ( is_string( $reply ) ) { |
| 857 | $this->core->stream_push( [ 'type' => 'live', 'data' => $reply ], $query ); |
| 858 | } |
| 859 | else { |
| 860 | $this->core->stream_push( $reply, $query ); |
| 861 | } |
| 862 | }; |
| 863 | if ( headers_sent( $filename, $linenum ) ) { |
| 864 | throw new Exception( "Headers already sent in $filename on line $linenum. Cannot start streaming." ); |
| 865 | } |
| 866 | header( 'Cache-Control: no-cache' ); |
| 867 | header( 'Content-Type: text/event-stream' ); |
| 868 | // This is useful to disable buffering in nginx through headers. |
| 869 | header( 'X-Accel-Buffering: no' ); |
| 870 | ob_implicit_flush( true ); |
| 871 | if ( ob_get_level() > 0 ) { |
| 872 | ob_end_flush(); |
| 873 | } |
| 874 | } |
| 875 | else if ( $this->core->get_option( 'module_devtools' ) && $this->core->get_option( 'debug_mode' ) ) { |
| 876 | // For non-streaming debug mode, collect events |
| 877 | $streamCallback = function ( $event ) use ( &$debugEvents ) { |
| 878 | if ( is_object( $event ) && method_exists( $event, 'toArray' ) ) { |
| 879 | $debugEvents[] = $event->toArray(); |
| 880 | } |
| 881 | }; |
| 882 | } |
| 883 | |
| 884 | // Awareness & Embeddings |
| 885 | $context = $this->core->retrieve_context( $params, $query, $streamCallback ); |
| 886 | if ( !empty( $context ) ) { |
| 887 | $query->set_context( $context['content'] ); |
| 888 | } |
| 889 | |
| 890 | // Function Aware |
| 891 | $query = apply_filters( 'mwai_chatbot_query', $query, $params ); |
| 892 | } |
| 893 | |
| 894 | // Process Query |
| 895 | |
| 896 | $reply = $this->core->run_query( $query, $streamCallback, true ); |
| 897 | $rawText = $reply->result; |
| 898 | $extra = []; |
| 899 | if ( $context ) { |
| 900 | $extra = [ 'embeddings' => isset( $context['embeddings'] ) ? $context['embeddings'] : null ]; |
| 901 | } |
| 902 | // Store response ID for Responses API stateful conversations |
| 903 | // CRITICAL: Must store even when function calls are present |
| 904 | // This enables the feedback query to use previous_response_id |
| 905 | if ( !empty( $reply->id ) ) { |
| 906 | $extra['responseId'] = $reply->id; |
| 907 | $extra['responseDate'] = gmdate( 'Y-m-d H:i:s' ); // Track age for 30-day expiry |
| 908 | } |
| 909 | $rawText = apply_filters( 'mwai_chatbot_reply', $rawText, $reply, $params, $extra ); |
| 910 | |
| 911 | // Integrity Check: We need to store the checksum of the messages sent by the client. |
| 912 | $stored_messages = $client_messages; |
| 913 | $stored_messages[] = [ 'role' => 'user', 'content' => $newMessage ]; |
| 914 | $stored_messages[] = [ 'role' => 'assistant', 'content' => $rawText ]; |
| 915 | $stored_checksum = $this->calculate_messages_checksum( $stored_messages ); |
| 916 | set_transient( $checksum_key, $stored_checksum, 60 * 60 * 24 * 30 ); |
| 917 | |
| 918 | // Actions |
| 919 | $actions = []; |
| 920 | if ( $reply->needClientActions ) { |
| 921 | foreach ( $reply->needClientActions as $action ) { |
| 922 | $actions[] = [ |
| 923 | 'type' => 'function', |
| 924 | 'data' => [ |
| 925 | 'name' => $action['function']->name, |
| 926 | 'args' => $action['arguments'] |
| 927 | ] |
| 928 | ]; |
| 929 | } |
| 930 | } |
| 931 | |
| 932 | $restRes = [ |
| 933 | 'reply' => $rawText, |
| 934 | 'chatId' => $this->core->fix_chat_id( $query, $params ), |
| 935 | 'images' => $reply->get_type() === 'images' ? $reply->results : null, |
| 936 | 'actions' => $actions, |
| 937 | 'usage' => $reply->usage |
| 938 | ]; |
| 939 | |
| 940 | // Add debug events if collected |
| 941 | if ( !empty( $debugEvents ) ) { |
| 942 | $restRes['debugEvents'] = $debugEvents; |
| 943 | } |
| 944 | |
| 945 | // Add response ID if available (for Responses API) |
| 946 | if ( !empty( $reply->id ) ) { |
| 947 | $restRes['responseId'] = $reply->id; |
| 948 | } |
| 949 | |
| 950 | // Process Reply |
| 951 | if ( $stream ) { |
| 952 | $final_res = $this->build_final_res( |
| 953 | $botId, |
| 954 | $newMessage, |
| 955 | $newFileId, |
| 956 | $params, |
| 957 | $restRes['reply'], |
| 958 | $restRes['images'], |
| 959 | $restRes['actions'], |
| 960 | $restRes['usage'], |
| 961 | $restRes['responseId'] ?? null |
| 962 | ); |
| 963 | $this->core->stream_push( [ 'type' => 'end', 'data' => json_encode( $final_res ) ], $query ); |
| 964 | die(); |
| 965 | } |
| 966 | else { |
| 967 | return $restRes; |
| 968 | } |
| 969 | |
| 970 | } |
| 971 | catch ( Exception $e ) { |
| 972 | $message = apply_filters( 'mwai_ai_exception', $e->getMessage() ); |
| 973 | if ( $stream ) { |
| 974 | $this->core->stream_push( [ 'type' => 'error', 'data' => $message ], $query ); |
| 975 | die(); |
| 976 | } |
| 977 | else { |
| 978 | throw $e; |
| 979 | } |
| 980 | } |
| 981 | } |
| 982 | |
| 983 | public function inject_chat() { |
| 984 | $params = $this->core->get_chatbot( $this->siteWideChatId ); |
| 985 | $clean_params = []; |
| 986 | if ( !empty( $params ) ) { |
| 987 | $clean_params['window'] = true; |
| 988 | $clean_params['id'] = $this->siteWideChatId; |
| 989 | echo $this->chat_shortcode( $clean_params ); |
| 990 | } |
| 991 | return null; |
| 992 | } |
| 993 | |
| 994 | public function build_front_params( $botId, $customId, $crossSite = false ) { |
| 995 | $frontSystem = [ |
| 996 | 'botId' => ( $customId && $customId !== '' ) ? null : sanitize_text_field( $botId ), |
| 997 | 'customId' => ( $customId && $customId !== '' ) ? sanitize_text_field( $customId ) : null, |
| 998 | 'userData' => $this->core->get_user_data(), |
| 999 | 'sessionId' => $this->core->get_session_id(), |
| 1000 | // IMPORTANT: REST nonce handling differs by user state: |
| 1001 | // - Logged-in users: get_nonce() returns a user-specific nonce created in current session context |
| 1002 | // - Logged-out users: get_nonce() returns null, they'll fetch via /start_session endpoint |
| 1003 | // This prevents rest_cookie_invalid_nonce errors for logged-in users by ensuring the nonce |
| 1004 | // matches their authentication context from the start. |
| 1005 | 'restNonce' => $crossSite ? null : $this->core->get_nonce(), |
| 1006 | 'contextId' => get_the_ID(), |
| 1007 | 'pluginUrl' => MWAI_URL, |
| 1008 | 'restUrl' => untrailingslashit( get_rest_url() ), |
| 1009 | 'stream' => $this->core->get_option( 'ai_streaming' ), |
| 1010 | 'debugMode' => $this->core->get_option( 'module_devtools' ) && $this->core->get_option( 'debug_mode' ), |
| 1011 | 'eventLogs' => $this->core->get_option( 'event_logs' ), |
| 1012 | 'speech_recognition' => $this->core->get_option( 'speech_recognition' ), |
| 1013 | 'speech_synthesis' => $this->core->get_option( 'speech_synthesis' ), |
| 1014 | 'typewriter' => $this->core->get_option( 'chatbot_typewriter' ), |
| 1015 | 'crossSite' => $crossSite |
| 1016 | ]; |
| 1017 | return $frontSystem; |
| 1018 | } |
| 1019 | |
| 1020 | public function resolveBotInfo( &$atts ) { |
| 1021 | $chatbot = null; |
| 1022 | $botId = $atts['id'] ?? null; |
| 1023 | $customId = $atts['custom_id'] ?? null; |
| 1024 | $parentBotId = null; |
| 1025 | |
| 1026 | if ( !$botId && !$customId ) { |
| 1027 | $botId = 'default'; |
| 1028 | } |
| 1029 | if ( $botId ) { |
| 1030 | $chatbot = $this->core->get_chatbot( $botId ); |
| 1031 | if ( !$chatbot ) { |
| 1032 | $botId = $botId ?: 'N/A'; |
| 1033 | $safe_botId = esc_html( $botId ); |
| 1034 | return [ |
| 1035 | 'error' => "AI Engine: Chatbot '{$safe_botId}' not found. If you meant to set an ID for your custom chatbot, please use 'custom_id' instead of 'id'.", |
| 1036 | ]; |
| 1037 | } |
| 1038 | } |
| 1039 | $chatbot = $chatbot ?: $this->core->get_chatbot( 'default' ); |
| 1040 | |
| 1041 | if ( !empty( $customId ) ) { |
| 1042 | if ( $botId !== null ) { |
| 1043 | $parentBotId = $botId; |
| 1044 | $botId = null; |
| 1045 | } |
| 1046 | } |
| 1047 | |
| 1048 | unset( $atts['id'] ); |
| 1049 | return [ |
| 1050 | 'chatbot' => $chatbot, |
| 1051 | 'botId' => $botId, |
| 1052 | 'customId' => $customId, |
| 1053 | 'parentBotId' => $parentBotId |
| 1054 | ]; |
| 1055 | } |
| 1056 | |
| 1057 | public function chat_shortcode( $atts ) { |
| 1058 | $atts = empty( $atts ) ? [] : $atts; |
| 1059 | |
| 1060 | foreach ( $atts as $key => $value ) { |
| 1061 | $atts[ $key ] = urldecode( $value ); |
| 1062 | } |
| 1063 | |
| 1064 | // Let the user override the chatbot params |
| 1065 | $atts = apply_filters( 'mwai_chatbot_params', $atts ); |
| 1066 | |
| 1067 | // Resolve the bot info |
| 1068 | $resolvedBot = $this->resolveBotInfo( $atts ); |
| 1069 | if ( isset( $resolvedBot['error'] ) ) { |
| 1070 | return $resolvedBot['error']; |
| 1071 | } |
| 1072 | $chatbot = $resolvedBot['chatbot']; |
| 1073 | $botId = $resolvedBot['botId']; |
| 1074 | $customId = $resolvedBot['customId']; |
| 1075 | $parentBotId = $resolvedBot['parentBotId']; |
| 1076 | |
| 1077 | // Rename the keys of the atts into camelCase to match the internal params system. |
| 1078 | $atts = array_map( function ( $key, $value ) { |
| 1079 | $key = str_replace( '_', ' ', $key ); |
| 1080 | $key = ucwords( $key ); |
| 1081 | $key = str_replace( ' ', '', $key ); |
| 1082 | $key = lcfirst( $key ); |
| 1083 | return [ $key => $value ]; |
| 1084 | }, array_keys( $atts ), $atts ); |
| 1085 | $atts = array_merge( ...$atts ); |
| 1086 | |
| 1087 | if ( !empty( $parentBotId ) ) { |
| 1088 | $atts['parentBotId'] = $parentBotId; |
| 1089 | } |
| 1090 | |
| 1091 | $frontParams = []; |
| 1092 | // Define text parameters that need sanitization (excluding those that support HTML) |
| 1093 | $textParams = ['aiName', 'userName', 'guestName', 'textSend', 'textClear', 'textInputPlaceholder', |
| 1094 | 'startSentence', 'iconText', 'iconAlt', 'headerSubtitle', 'popupTitle', 'allowedMimeTypes']; |
| 1095 | // Parameters that support HTML content |
| 1096 | $htmlParams = ['textCompliance']; |
| 1097 | // Boolean parameters that need special handling |
| 1098 | $booleanParams = ['window', 'copyButton', 'fullscreen', 'localMemory', 'iconBubble', 'centerOpen', |
| 1099 | 'imageUpload', 'fileUpload', 'multiUpload', 'fileSearch']; |
| 1100 | |
| 1101 | foreach ( MWAI_CHATBOT_FRONT_PARAMS as $param ) { |
| 1102 | // Let's go through the overriden or custom params first (the ones passed in the shortcode) |
| 1103 | if ( isset( $atts[$param] ) ) { |
| 1104 | if ( $param === 'localMemory' ) { |
| 1105 | $frontParams[$param] = $atts[$param] === 'true'; |
| 1106 | } |
| 1107 | else if ( in_array( $param, $textParams ) ) { |
| 1108 | // Sanitize text parameters to prevent XSS |
| 1109 | $frontParams[$param] = sanitize_text_field( $atts[$param] ); |
| 1110 | } |
| 1111 | else if ( in_array( $param, $htmlParams ) ) { |
| 1112 | // For HTML parameters, use wp_kses_post to allow safe HTML |
| 1113 | $frontParams[$param] = wp_kses_post( $atts[$param] ); |
| 1114 | } |
| 1115 | else if ( in_array( $param, $booleanParams ) ) { |
| 1116 | // Convert to proper boolean |
| 1117 | // Handle various boolean representations from shortcode attributes |
| 1118 | $value = $atts[$param]; |
| 1119 | if ( is_bool( $value ) ) { |
| 1120 | $frontParams[$param] = $value; |
| 1121 | } |
| 1122 | else if ( is_string( $value ) ) { |
| 1123 | $frontParams[$param] = !empty( $value ) && $value !== 'false' && $value !== '0' && $value !== 'no'; |
| 1124 | } |
| 1125 | else { |
| 1126 | $frontParams[$param] = !empty( $value ); |
| 1127 | } |
| 1128 | } |
| 1129 | else { |
| 1130 | $frontParams[$param] = $atts[$param]; |
| 1131 | } |
| 1132 | } |
| 1133 | // If not, let's use the chatbot's default values |
| 1134 | else if ( isset( $chatbot[$param] ) ) { |
| 1135 | if ( in_array( $param, $booleanParams ) ) { |
| 1136 | // Convert to proper boolean for chatbot defaults too |
| 1137 | // Handle various boolean representations |
| 1138 | $value = $chatbot[$param]; |
| 1139 | |
| 1140 | if ( is_bool( $value ) ) { |
| 1141 | $frontParams[$param] = $value; |
| 1142 | } |
| 1143 | else if ( is_string( $value ) ) { |
| 1144 | $frontParams[$param] = !empty( $value ) && $value !== 'false' && $value !== '0'; |
| 1145 | } |
| 1146 | else { |
| 1147 | $frontParams[$param] = !empty( $value ); |
| 1148 | } |
| 1149 | } |
| 1150 | else { |
| 1151 | $frontParams[$param] = $chatbot[$param]; |
| 1152 | } |
| 1153 | } |
| 1154 | |
| 1155 | // Apply the placeholders |
| 1156 | if ( in_array( $param, ['startSentence', 'iconText'] ) ) { |
| 1157 | $frontParams[$param] = $this->core->do_placeholders( $frontParams[$param] ); |
| 1158 | } |
| 1159 | } |
| 1160 | |
| 1161 | // Ensure upload params are synced |
| 1162 | // fileUpload (checkbox) determines if uploads are enabled |
| 1163 | // maxUploads (number) determines how many files can be uploaded |
| 1164 | $fileUploadEnabled = !empty( $frontParams['fileUpload'] ) || !empty( $frontParams['imageUpload'] ); |
| 1165 | $maxFiles = isset( $frontParams['maxUploads'] ) ? max( 1, (int) $frontParams['maxUploads'] ) : 1; |
| 1166 | |
| 1167 | // Sync all params for backward compatibility |
| 1168 | $frontParams['fileUpload'] = $fileUploadEnabled; |
| 1169 | $frontParams['imageUpload'] = $fileUploadEnabled; |
| 1170 | $frontParams['fileUploads'] = $fileUploadEnabled ? $maxFiles : 0; |
| 1171 | $frontParams['multiUpload'] = $fileUploadEnabled && $maxFiles > 1; |
| 1172 | $frontParams['maxUploads'] = $maxFiles; |
| 1173 | |
| 1174 | // Server Params |
| 1175 | // NOTE: We don't need the server params for the chatbot if there are no overrides, it means |
| 1176 | // we are using the default or a specific chatbot. |
| 1177 | $isSiteWide = $this->siteWideChatId && $botId === $this->siteWideChatId; |
| 1178 | |
| 1179 | // Parameters that are purely visual/UI and shouldn't trigger custom ID |
| 1180 | $visualOnlyParams = [ |
| 1181 | // Bot selectors |
| 1182 | 'id', 'custom_id', |
| 1183 | // System-added params |
| 1184 | 'crossSite', |
| 1185 | // Visual/UI parameters that don't affect AI behavior |
| 1186 | 'aiName', 'userName', 'guestName', // Display names |
| 1187 | 'aiAvatar', 'userAvatar', 'guestAvatar', 'aiAvatarUrl', 'userAvatarUrl', 'guestAvatarUrl', // Avatars |
| 1188 | 'textSend', 'textClear', 'textInputPlaceholder', 'textCompliance', // UI text labels |
| 1189 | 'textInputMaxLength', // Input constraint (visual) |
| 1190 | 'themeId', // Theme selection |
| 1191 | 'window', 'icon', 'iconText', 'iconTextDelay', 'iconAlt', 'iconPosition', // Window/icon settings |
| 1192 | 'centerOpen', 'width', 'openDelay', 'iconBubble', 'windowAnimation', 'fullscreen', // Window behavior |
| 1193 | 'copyButton', 'headerSubtitle', 'popupTitle', // UI features |
| 1194 | 'containerType', 'headerType', 'messagesType', 'inputType', 'footerType' // UI style variants |
| 1195 | ]; |
| 1196 | |
| 1197 | // Remove visual-only params from override detection |
| 1198 | $attsForOverrideCheck = array_diff_key( $atts, array_flip( $visualOnlyParams ) ); |
| 1199 | |
| 1200 | // Only these front params affect behavior and should trigger custom ID: |
| 1201 | // - mode: chat vs. prompt mode |
| 1202 | // - startSentence: initial AI message |
| 1203 | // - localMemory: affects data persistence |
| 1204 | // - imageUpload, fileUpload, multiUpload, fileSearch: affect capabilities |
| 1205 | $behavioralFrontParams = ['mode', 'startSentence', 'localMemory', 'imageUpload', 'fileUpload', 'multiUpload', 'fileSearch']; |
| 1206 | |
| 1207 | $hasServerOverrides = count( array_intersect( array_keys( $attsForOverrideCheck ), MWAI_CHATBOT_SERVER_PARAMS ) ) > 0; |
| 1208 | $hasBehavioralFrontOverrides = count( array_intersect( array_keys( $attsForOverrideCheck ), $behavioralFrontParams ) ) > 0; |
| 1209 | $hasOverrides = !$isSiteWide && ( $hasServerOverrides || $hasBehavioralFrontOverrides ); |
| 1210 | |
| 1211 | $serverParams = []; |
| 1212 | if ( $hasOverrides ) { |
| 1213 | // Server parameters don't need sanitization as they're processed server-side |
| 1214 | // and not rendered in HTML. They may contain code, HTML, etc. for AI context. |
| 1215 | foreach ( MWAI_CHATBOT_SERVER_PARAMS as $param ) { |
| 1216 | if ( isset( $atts[$param] ) ) { |
| 1217 | $serverParams[$param] = $atts[$param]; |
| 1218 | } |
| 1219 | else { |
| 1220 | // For custom chatbots, don't inherit embeddingsEnvId from the default chatbot |
| 1221 | if ( $param === 'embeddingsEnvId' && !empty( $customId ) ) { |
| 1222 | $serverParams[$param] = ''; |
| 1223 | } |
| 1224 | else { |
| 1225 | $serverParams[$param] = $chatbot[$param] ?? null; |
| 1226 | } |
| 1227 | } |
| 1228 | } |
| 1229 | } |
| 1230 | |
| 1231 | // Front Params |
| 1232 | $frontSystem = $this->build_front_params( $botId, $customId ); |
| 1233 | |
| 1234 | // Clean Params |
| 1235 | $frontParams = $this->clean_params( $frontParams ); |
| 1236 | $frontSystem = $this->clean_params( $frontSystem ); |
| 1237 | $serverParams = $this->clean_params( $serverParams ); |
| 1238 | |
| 1239 | // Server-side: Keep the System Params |
| 1240 | if ( $hasOverrides ) { |
| 1241 | if ( empty( $customId ) ) { |
| 1242 | $customId = md5( json_encode( $serverParams ) ); |
| 1243 | $frontSystem['customId'] = $customId; |
| 1244 | } |
| 1245 | set_transient( 'mwai_custom_chatbot_' . $customId, $serverParams, 60 * 60 * 24 ); |
| 1246 | } |
| 1247 | |
| 1248 | // Retrieve the actions, shortcuts, and blocks we want to inject at the beginning |
| 1249 | $filterParams = [ |
| 1250 | 'step' => 'init', |
| 1251 | 'botId' => $botId, |
| 1252 | 'params' => array_merge( $frontParams, $frontSystem, $serverParams ) |
| 1253 | ]; |
| 1254 | $actions = apply_filters( 'mwai_chatbot_actions', [], $filterParams ); |
| 1255 | $blocks = apply_filters( 'mwai_chatbot_blocks', [], $filterParams ); |
| 1256 | $shortcuts = apply_filters( 'mwai_chatbot_shortcuts', [], $filterParams ); |
| 1257 | $frontSystem['actions'] = $this->sanitize_actions( $actions ); |
| 1258 | $frontSystem['blocks'] = $this->sanitize_blocks( $blocks ); |
| 1259 | $shortcuts = $this->sanitize_shortcuts( $shortcuts ); |
| 1260 | $shortcuts = $this->prepare_shortcuts_for_client( $shortcuts, $botId ); |
| 1261 | $frontSystem['shortcuts'] = $shortcuts; |
| 1262 | |
| 1263 | // Client-side: Prepare JSON for Front Params and System Params |
| 1264 | $theme = isset( $frontParams['themeId'] ) ? $this->core->get_theme( $frontParams['themeId'] ) : null; |
| 1265 | $jsonFrontParams = htmlspecialchars( json_encode( $frontParams ), ENT_QUOTES, 'UTF-8' ); |
| 1266 | $jsonFrontSystem = htmlspecialchars( json_encode( $frontSystem ), ENT_QUOTES, 'UTF-8' ); |
| 1267 | $jsonFrontTheme = htmlspecialchars( json_encode( $theme ), ENT_QUOTES, 'UTF-8' ); |
| 1268 | //$jsonAttributes = htmlspecialchars(json_encode($atts), ENT_QUOTES, 'UTF-8'); |
| 1269 | |
| 1270 | $this->enqueue_scripts( $frontParams['themeId'] ?? null ); |
| 1271 | |
| 1272 | return "<div class='mwai-chatbot-container' data-params='{$jsonFrontParams}' data-system='{$jsonFrontSystem}' data-theme='{$jsonFrontTheme}'></div>"; |
| 1273 | } |
| 1274 | |
| 1275 | public function chatbot_discussions( $atts ) { |
| 1276 | $atts = empty( $atts ) ? [] : $atts; |
| 1277 | |
| 1278 | // Resolve the bot info |
| 1279 | $resolvedBot = $this->resolveBotInfo( $atts ); |
| 1280 | if ( isset( $resolvedBot['error'] ) ) { |
| 1281 | return $resolvedBot['error']; |
| 1282 | } |
| 1283 | $chatbot = $resolvedBot['chatbot']; |
| 1284 | $botId = $resolvedBot['botId']; |
| 1285 | $customId = $resolvedBot['customId']; |
| 1286 | |
| 1287 | // Rename the keys of the atts into camelCase to match the internal params system. |
| 1288 | $atts = array_map( function ( $key, $value ) { |
| 1289 | $key = str_replace( '_', ' ', $key ); |
| 1290 | $key = ucwords( $key ); |
| 1291 | $key = str_replace( ' ', '', $key ); |
| 1292 | $key = lcfirst( $key ); |
| 1293 | return [ $key => $value ]; |
| 1294 | }, array_keys( $atts ), $atts ); |
| 1295 | $atts = array_merge( ...$atts ); |
| 1296 | |
| 1297 | // Front Params |
| 1298 | $frontParams = []; |
| 1299 | // All discussion params are text params that need sanitization |
| 1300 | $textParams = ['textNewChat']; |
| 1301 | |
| 1302 | foreach ( MWAI_DISCUSSIONS_FRONT_PARAMS as $param ) { |
| 1303 | if ( isset( $atts[$param] ) ) { |
| 1304 | // Sanitize text parameters |
| 1305 | $frontParams[$param] = in_array( $param, $textParams ) ? sanitize_text_field( $atts[$param] ) : $atts[$param]; |
| 1306 | } |
| 1307 | else if ( isset( $chatbot[$param] ) ) { |
| 1308 | $frontParams[$param] = $chatbot[$param]; |
| 1309 | } |
| 1310 | } |
| 1311 | |
| 1312 | // Server Params |
| 1313 | $serverParams = []; |
| 1314 | foreach ( MWAI_DISCUSSIONS_SERVER_PARAMS as $param ) { |
| 1315 | if ( isset( $atts[$param] ) ) { |
| 1316 | $serverParams[$param] = $atts[$param]; |
| 1317 | } |
| 1318 | } |
| 1319 | |
| 1320 | // Front System |
| 1321 | $frontSystem = $this->build_front_params( $botId, $customId ); |
| 1322 | // Get refresh interval from settings |
| 1323 | $refresh_interval = $this->core->get_option( 'chatbot_discussions_refresh_interval' ); |
| 1324 | if ( $refresh_interval === 'Never' ) { |
| 1325 | $frontSystem['refreshInterval'] = 0; |
| 1326 | } |
| 1327 | elseif ( $refresh_interval === 'Manual' ) { |
| 1328 | $frontSystem['refreshInterval'] = -1; |
| 1329 | } |
| 1330 | elseif ( is_numeric( $refresh_interval ) ) { |
| 1331 | $frontSystem['refreshInterval'] = intval( $refresh_interval ) * 1000; // Convert to milliseconds |
| 1332 | } |
| 1333 | else { |
| 1334 | $frontSystem['refreshInterval'] = 5000; // Default to 5 seconds |
| 1335 | } |
| 1336 | $frontSystem['refreshInterval'] = apply_filters( 'mwai_discussions_refresh_interval', $frontSystem['refreshInterval'] ); |
| 1337 | |
| 1338 | // Get paging setting |
| 1339 | $paging_option = $this->core->get_option( 'chatbot_discussions_paging' ); |
| 1340 | if ( $paging_option === 'None' ) { |
| 1341 | $frontSystem['paging'] = 0; // No pagination |
| 1342 | } |
| 1343 | else { |
| 1344 | $frontSystem['paging'] = is_numeric( $paging_option ) ? intval( $paging_option ) : 10; // Default to 10 |
| 1345 | } |
| 1346 | |
| 1347 | // Get metadata settings |
| 1348 | $frontSystem['metadata'] = [ |
| 1349 | 'enabled' => $this->core->get_option( 'chatbot_discussions_metadata_enabled' ), |
| 1350 | 'startDate' => $this->core->get_option( 'chatbot_discussions_metadata_start_date' ), |
| 1351 | 'lastUpdate' => $this->core->get_option( 'chatbot_discussions_metadata_last_update' ), |
| 1352 | 'messageCount' => $this->core->get_option( 'chatbot_discussions_metadata_message_count' ) |
| 1353 | ]; |
| 1354 | |
| 1355 | // Clean Params |
| 1356 | $frontParams = $this->clean_params( $frontParams ); |
| 1357 | $frontSystem = $this->clean_params( $frontSystem ); |
| 1358 | $serverParams = $this->clean_params( $serverParams ); |
| 1359 | |
| 1360 | $theme = isset( $frontParams['themeId'] ) ? $this->core->get_theme( $frontParams['themeId'] ) : null; |
| 1361 | $jsonFrontParams = htmlspecialchars( json_encode( $frontParams ), ENT_QUOTES, 'UTF-8' ); |
| 1362 | $jsonFrontSystem = htmlspecialchars( json_encode( $frontSystem ), ENT_QUOTES, 'UTF-8' ); |
| 1363 | $jsonFrontTheme = htmlspecialchars( json_encode( $theme ), ENT_QUOTES, 'UTF-8' ); |
| 1364 | |
| 1365 | return "<div class='mwai-discussions-container' data-params='{$jsonFrontParams}' data-system='{$jsonFrontSystem}' data-theme='{$jsonFrontTheme}'></div>"; |
| 1366 | } |
| 1367 | |
| 1368 | public function clean_params( &$params ) { |
| 1369 | foreach ( $params as $param => $value ) { |
| 1370 | if ( $param === 'restNonce' ) { |
| 1371 | continue; |
| 1372 | } |
| 1373 | // Skip only if value is null or an array - but not if it's false or 0 |
| 1374 | if ( is_null( $value ) || is_array( $value ) ) { |
| 1375 | continue; |
| 1376 | } |
| 1377 | // Handle empty strings |
| 1378 | if ( $value === '' ) { |
| 1379 | continue; |
| 1380 | } |
| 1381 | $lowerCaseValue = is_string( $value ) ? strtolower( $value ) : ''; |
| 1382 | if ( $lowerCaseValue === 'true' || $lowerCaseValue === 'false' || is_bool( $value ) ) { |
| 1383 | $params[$param] = filter_var( $value, FILTER_VALIDATE_BOOLEAN ); |
| 1384 | } |
| 1385 | else if ( is_numeric( $value ) ) { |
| 1386 | $params[$param] = filter_var( $value, FILTER_VALIDATE_FLOAT ); |
| 1387 | } |
| 1388 | } |
| 1389 | return $params; |
| 1390 | } |
| 1391 | |
| 1392 | } |
| 1393 |