advisor.php
2 years ago
chatbot.php
1 year ago
discussions.php
1 year ago
files.php
1 year ago
gdpr.php
1 year ago
security.php
1 year ago
tasks.php
2 years ago
wand.php
1 year ago
chatbot.php
822 lines
| 1 | <?php |
| 2 | |
| 3 | // Params for the chatbot (front and server) |
| 4 | define( 'MWAI_CHATBOT_FRONT_PARAMS', [ 'id', 'customId', |
| 5 | 'aiName', 'userName', 'guestName', |
| 6 | 'aiAvatar', 'userAvatar', 'guestAvatar', |
| 7 | 'aiAvatarUrl', 'userAvatarUrl', 'guestAvatarUrl', |
| 8 | 'textSend', 'textClear', 'imageUpload', 'fileUpload', 'fileSearch', |
| 9 | 'textInputPlaceholder', 'textInputMaxLength', 'textCompliance', 'startSentence', 'localMemory', |
| 10 | 'themeId', 'window', 'icon', 'iconText', 'iconTextDelay', 'iconAlt', 'iconPosition', 'iconBubble', |
| 11 | 'fullscreen', 'copyButton' |
| 12 | ] ); |
| 13 | |
| 14 | define( 'MWAI_CHATBOT_SERVER_PARAMS', [ 'id', 'envId', 'scope', 'mode', 'contentAware', 'context', 'startSentence', |
| 15 | 'embeddingsEnvId', 'embeddingsIndex', 'embeddingsNamespace', 'assistantId', 'instructions', 'resolution', |
| 16 | 'model', 'temperature', 'maxTokens', 'contextMaxLength', 'maxResults', 'apiKey', 'functions' |
| 17 | ] ); |
| 18 | |
| 19 | // Params for the discussions (front and server) |
| 20 | define( 'MWAI_DISCUSSIONS_FRONT_PARAMS', [ 'themeId', 'textNewChat' ] ); |
| 21 | define( 'MWAI_DISCUSSIONS_SERVER_PARAMS', [ 'customId' ] ); |
| 22 | |
| 23 | class Meow_MWAI_Modules_Chatbot { |
| 24 | private $core = null; |
| 25 | private $namespace = 'mwai-ui/v1'; |
| 26 | private $siteWideChatId = null; |
| 27 | |
| 28 | public function __construct() { |
| 29 | global $mwai_core; |
| 30 | $this->core = $mwai_core; |
| 31 | $this->siteWideChatId = $this->core->get_option( 'botId' ); |
| 32 | |
| 33 | add_shortcode( 'mwai_chatbot', array( $this, 'chat_shortcode' ) ); |
| 34 | add_shortcode( 'mwai_chatbot_v2', array( $this, 'old_chat_shortcode' ) ); |
| 35 | add_action( 'rest_api_init', array( $this, 'rest_api_init' ) ); |
| 36 | add_action( 'wp_enqueue_scripts', array( $this, 'register_scripts' ) ); |
| 37 | add_action( 'admin_enqueue_scripts', array( $this, 'register_scripts' ) ); |
| 38 | if ( $this->core->get_option( 'chatbot_discussions' ) ) { |
| 39 | add_shortcode( 'mwai_discussions', [ $this, 'chatbot_discussions' ] ); |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | public function register_scripts() { |
| 44 | // Load JS |
| 45 | $physical_file = trailingslashit( MWAI_PATH ) . 'app/chatbot.js'; |
| 46 | $cache_buster = file_exists( $physical_file ) ? filemtime( $physical_file ) : MWAI_VERSION; |
| 47 | wp_register_script( 'mwai_chatbot', trailingslashit( MWAI_URL ) |
| 48 | . 'app/chatbot.js', [ 'wp-element' ], $cache_buster, false ); |
| 49 | |
| 50 | // Actual loading of the scripts |
| 51 | $hasSiteWideChat = $this->siteWideChatId && $this->siteWideChatId !== 'none'; |
| 52 | if ( is_admin() || $hasSiteWideChat ) { |
| 53 | $this->enqueue_scripts(); |
| 54 | if ( $hasSiteWideChat ) { |
| 55 | // Chatbot Injection |
| 56 | add_action( 'wp_footer', array( $this, 'inject_chat' ) ); |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | public function enqueue_scripts() { |
| 62 | wp_enqueue_script( "mwai_chatbot" ); |
| 63 | if ( $this->core->get_option( 'syntax_highlight' ) ) { |
| 64 | wp_enqueue_script( "mwai_highlight" ); |
| 65 | } |
| 66 | $this->core->enqueue_themes(); |
| 67 | } |
| 68 | |
| 69 | public function rest_api_init() { |
| 70 | register_rest_route( $this->namespace, '/chats/submit', array( |
| 71 | 'methods' => 'POST', |
| 72 | 'callback' => [ $this, 'rest_chat' ], |
| 73 | 'permission_callback' => array( $this->core, 'check_rest_nonce' ) |
| 74 | ) ); |
| 75 | } |
| 76 | |
| 77 | public function basics_security_check( $botId, $customId, $newMessage, $newFileId ) { |
| 78 | if ( !$botId && !$customId ) { |
| 79 | Meow_MWAI_Logging::warn( "The query was rejected - no botId nor id was specified." ); |
| 80 | return false; |
| 81 | } |
| 82 | |
| 83 | if ( $newFileId ) { |
| 84 | return true; |
| 85 | } |
| 86 | |
| 87 | $length = strlen( empty( $newMessage ) ? "" : $newMessage ); |
| 88 | if ( $length < 1 ) { |
| 89 | Meow_MWAI_Logging::warn( "The query was rejected - message was too short." ); |
| 90 | return false; |
| 91 | } |
| 92 | return true; |
| 93 | } |
| 94 | |
| 95 | public function build_final_res( $botId, $newMessage, $newFileId, $params, $reply, $images, $actions, $usage ) { |
| 96 | $filterParams = [ |
| 97 | 'step' => 'reply', |
| 98 | 'botId' => $botId, |
| 99 | 'reply' => $reply, |
| 100 | 'images' => $images, |
| 101 | 'newMessage' => $newMessage, |
| 102 | 'newFileId' => $newFileId, |
| 103 | 'params' => $params, |
| 104 | 'usage' => $usage, |
| 105 | ]; |
| 106 | $actions = apply_filters( 'mwai_chatbot_actions', $actions, $filterParams ); |
| 107 | $blocks = apply_filters( 'mwai_chatbot_blocks', [], $filterParams ); |
| 108 | $shortcuts = apply_filters( 'mwai_chatbot_shortcuts', [], $filterParams ); |
| 109 | $actions = $this->sanitize_actions( $actions ); |
| 110 | $blocks = $this->sanitize_blocks( $blocks ); |
| 111 | $shortcuts = $this->sanitize_shortcuts( $shortcuts ); |
| 112 | return [ |
| 113 | 'success' => true, |
| 114 | 'reply' => $reply, |
| 115 | 'images' => $images, |
| 116 | 'actions' => $actions, |
| 117 | 'shortcuts' => $shortcuts, |
| 118 | 'blocks' => $blocks, |
| 119 | 'usage' => $usage |
| 120 | ]; |
| 121 | } |
| 122 | |
| 123 | public function rest_chat( $request ) { |
| 124 | $params = $request->get_json_params(); |
| 125 | $botId = $params['botId'] ?? null; |
| 126 | $customId = $params['customId'] ?? null; |
| 127 | $stream = $params['stream'] ?? false; |
| 128 | $newMessage = trim( $params['newMessage'] ?? '' ); |
| 129 | $newFileId = $params['newFileId'] ?? null; |
| 130 | |
| 131 | if ( !$this->basics_security_check( $botId, $customId, $newMessage, $newFileId )) { |
| 132 | return new WP_REST_Response( [ |
| 133 | 'success' => false, |
| 134 | 'message' => apply_filters( 'mwai_ai_exception', 'Sorry, your query has been rejected.' ) |
| 135 | ], 403 ); |
| 136 | } |
| 137 | |
| 138 | try { |
| 139 | $data = $this->chat_submit( $botId, $newMessage, $newFileId, $params, $stream ); |
| 140 | $final_res = $this->build_final_res( $botId, $newMessage, $newFileId, $params, |
| 141 | $data['reply'], $data['images'], $data['actions'], $data['usage'] ); |
| 142 | return new WP_REST_Response( $final_res, 200 ); |
| 143 | } |
| 144 | catch ( Exception $e ) { |
| 145 | $message = apply_filters( 'mwai_ai_exception', $e->getMessage() ); |
| 146 | return new WP_REST_Response( [ |
| 147 | 'success' => false, |
| 148 | 'message' => $message |
| 149 | ], 500 ); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | private function sanitize_items( $items, $supported_types, $type_name ) { |
| 154 | if ( empty( $items ) ) { |
| 155 | return $items; |
| 156 | } |
| 157 | $sanitized_items = []; |
| 158 | foreach ( $items as $item ) { |
| 159 | if ( isset( $supported_types[$item['type']] ) ) { |
| 160 | $is_valid = true; |
| 161 | foreach ( $supported_types[$item['type']] as $param ) { |
| 162 | if ( !isset( $item['data'][$param] ) ) { |
| 163 | $is_valid = false; |
| 164 | Meow_MWAI_Logging::warn( "The query was rejected - missing required parameter '{$param}' for {$type_name} type: {$item['type']}." ); |
| 165 | break; |
| 166 | } |
| 167 | } |
| 168 | if ( $is_valid ) { |
| 169 | $sanitized_items[] = $item; |
| 170 | } |
| 171 | } |
| 172 | else { |
| 173 | Meow_MWAI_Logging::warn( "The query was rejected - unsupported {$type_name} type: {$item['type']}." ); |
| 174 | } |
| 175 | } |
| 176 | return $sanitized_items; |
| 177 | } |
| 178 | |
| 179 | public function sanitize_actions( $actions ) { |
| 180 | $supported_action_types = [ |
| 181 | 'function' => ['name', 'args'], |
| 182 | 'javascript' => ['snippet'], |
| 183 | ]; |
| 184 | return $this->sanitize_items( $actions, $supported_action_types, 'action' ); |
| 185 | } |
| 186 | |
| 187 | public function sanitize_blocks( $blocks ) { |
| 188 | $supported_block_types = [ |
| 189 | 'content' => ['html'], |
| 190 | ]; |
| 191 | return $this->sanitize_items( $blocks, $supported_block_types, 'block' ); |
| 192 | } |
| 193 | |
| 194 | public function sanitize_shortcuts( $shortcuts ) { |
| 195 | $supported_shortcut_types = [ |
| 196 | 'message' => ['label', 'message'], |
| 197 | ]; |
| 198 | return $this->sanitize_items( $shortcuts, $supported_shortcut_types, 'shortcut' ); |
| 199 | } |
| 200 | |
| 201 | #region Messages Integrity Check |
| 202 | |
| 203 | function messages_integrity_diff( $messages1, $messages2 ) { |
| 204 | // Collect messages with role not 'user' from messages1 |
| 205 | $messagesList1 = array(); |
| 206 | foreach( $messages1 as $msg ) { |
| 207 | $role = isset( $msg->role ) ? $msg->role : ( isset( $msg['role'] ) ? $msg['role'] : null ); |
| 208 | $content = isset( $msg->content ) ? $msg->content : ( isset( $msg['content'] ) ? $msg['content'] : null ); |
| 209 | if( $role && $role != 'user' ) { |
| 210 | $messageData = array( 'role' => $role, 'content' => $content ); |
| 211 | $messagesList1[] = $messageData; |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | // Collect messages with role not 'user' from messages2 |
| 216 | $messagesList2 = array(); |
| 217 | foreach( $messages2 as $msg ) { |
| 218 | $role = isset( $msg->role ) ? $msg->role : ( isset( $msg['role'] ) ? $msg['role'] : null ); |
| 219 | $content = isset( $msg->content ) ? $msg->content : ( isset( $msg['content'] ) ? $msg['content'] : null ); |
| 220 | if( $role && $role != 'user' ) { |
| 221 | $messageData = array( 'role' => $role, 'content' => $content ); |
| 222 | $messagesList2[] = $messageData; |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | // Count occurrences of each message in messagesList1 |
| 227 | $counts1 = array(); |
| 228 | foreach( $messagesList1 as $msg ) { |
| 229 | $key = serialize( $msg ); |
| 230 | if( isset( $counts1[ $key ] ) ) { |
| 231 | $counts1[ $key ]++; |
| 232 | } else { |
| 233 | $counts1[ $key ] = 1; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | // Count occurrences of each message in messagesList2 |
| 238 | $counts2 = array(); |
| 239 | foreach( $messagesList2 as $msg ) { |
| 240 | $key = serialize( $msg ); |
| 241 | if( isset( $counts2[ $key ] ) ) { |
| 242 | $counts2[ $key ]++; |
| 243 | } else { |
| 244 | $counts2[ $key ] = 1; |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | // Compare counts to find unmatched messages |
| 249 | $all_keys = array_unique( array_merge( array_keys( $counts1 ), array_keys( $counts2 ) ) ); |
| 250 | |
| 251 | $diffs = array(); |
| 252 | foreach( $all_keys as $key ) { |
| 253 | $count1 = isset( $counts1[ $key ] ) ? $counts1[ $key ] : 0; |
| 254 | $count2 = isset( $counts2[ $key ] ) ? $counts2[ $key ] : 0; |
| 255 | if( $count1 != $count2 ) { |
| 256 | $message = unserialize( $key ); |
| 257 | $diffs[] = array( |
| 258 | 'message' => $message, |
| 259 | 'count_in_messages1' => $count1, |
| 260 | 'count_in_messages2' => $count2 |
| 261 | ); |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | return $diffs; |
| 266 | } |
| 267 | |
| 268 | private function calculate_messages_checksum( $messages ) { |
| 269 | $messages_to_hash = []; |
| 270 | foreach ( $messages as $msg ) { |
| 271 | $role = $msg['role'] ?? ''; |
| 272 | if ( in_array( $role, ['assistant', 'system'] ) ) { |
| 273 | $messages_to_hash[] = [ 'role' => $role, 'content' => $msg['content'] ?? '' ]; |
| 274 | } |
| 275 | } |
| 276 | return md5( json_encode( $messages_to_hash ) ); |
| 277 | } |
| 278 | |
| 279 | #endregion |
| 280 | |
| 281 | public function chat_submit( $botId, $newMessage, $newFileId = null, $params = [], $stream = false ) { |
| 282 | try { |
| 283 | $chatbot = null; |
| 284 | $customId = $params['customId'] ?? null; |
| 285 | |
| 286 | // Custom Chatbot |
| 287 | if ( $customId ) { |
| 288 | $chatbot = get_transient( 'mwai_custom_chatbot_' . $customId ); |
| 289 | } |
| 290 | // Registered Chatbot |
| 291 | if ( !$chatbot && $botId ) { |
| 292 | $chatbot = $this->core->get_chatbot( $botId ); |
| 293 | } |
| 294 | |
| 295 | if ( !$chatbot ) { |
| 296 | Meow_MWAI_Logging::warn( "The query was rejected - no chatbot was found." ); |
| 297 | throw new Exception( 'Sorry, your query has been rejected.' ); |
| 298 | } |
| 299 | |
| 300 | $textInputMaxLength = $chatbot['textInputMaxLength'] ?? null; |
| 301 | if ( $textInputMaxLength && $this->core->safe_strlen( $newMessage ) > (int)$textInputMaxLength ) { |
| 302 | Meow_MWAI_Logging::warn( "The query was rejected - message was too long." ); |
| 303 | throw new Exception( 'Sorry, your query has been rejected.' ); |
| 304 | } |
| 305 | |
| 306 | // We need to check the integrity of the messages sent by the client. |
| 307 | // This is important to ensure that the messages are not tampered with. |
| 308 | |
| 309 | // Messages Integrity Check with Checksums |
| 310 | $chatId = $params['chatId'] ?? 'default'; |
| 311 | $checksum_key = 'mwai_chatbot_checksum_' . $chatId; |
| 312 | $stored_checksum = get_transient( $checksum_key ); |
| 313 | $client_messages = $params['messages'] ?? []; |
| 314 | $client_checksum = $this->calculate_messages_checksum( $client_messages ); |
| 315 | if ( $stored_checksum && $stored_checksum !== $client_checksum ) { |
| 316 | 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." ); |
| 317 | } |
| 318 | |
| 319 | // Messages Integrity Check with Discussions |
| 320 | if ( $this->core->get_option( 'chatbot_discussions' ) ) { |
| 321 | $discussion = $this->core->discussions->get_discussion( $botId ? $botId: $customId, $params['chatId'] ); |
| 322 | if ( $discussion ) { |
| 323 | $messages = $discussion['messages']; |
| 324 | $diffs = $this->messages_integrity_diff( $messages, $params['messages'] ); |
| 325 | if ( count( $diffs ) > 0 ) { |
| 326 | Meow_MWAI_Logging::warn( "Integrity Check: It seems the messages in the discussion #{$discussion['id']} do not match the ones sent by the client." ); |
| 327 | } |
| 328 | } |
| 329 | else { |
| 330 | // No discussion yet? We still need to check the startSentence. |
| 331 | $startSentence = isset( $chatbot['startSentence'] ) ? $chatbot['startSentence'] : null; |
| 332 | $messages = []; |
| 333 | if ( !empty( $startSentence ) ) { |
| 334 | $messages[] = [ 'role' => 'assistant', 'content' => $startSentence ]; |
| 335 | } |
| 336 | $diffs = $this->messages_integrity_diff( $messages, $params['messages'] ); |
| 337 | if ( count( $diffs ) > 0 ) { |
| 338 | 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 ) ); |
| 339 | } |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | // Create QueryText |
| 344 | $context = null; |
| 345 | $mode = $chatbot['mode'] ?? 'chat'; |
| 346 | |
| 347 | if ( $mode === 'images' ) { |
| 348 | $query = new Meow_MWAI_Query_Image( $newMessage ); |
| 349 | |
| 350 | // Handle Params |
| 351 | $newParams = []; |
| 352 | foreach ( $chatbot as $key => $value ) { |
| 353 | $newParams[$key] = $value; |
| 354 | } |
| 355 | foreach ( $params as $key => $value ) { |
| 356 | $newParams[$key] = $value; |
| 357 | } |
| 358 | $params = apply_filters( 'mwai_chatbot_params', $newParams ); |
| 359 | $params['scope'] = empty( $params['scope'] ) ? 'chatbot' : $params['scope']; |
| 360 | $query->inject_params( $params ); |
| 361 | } |
| 362 | else { |
| 363 | $query = $mode === 'assistant' ? new Meow_MWAI_Query_Assistant( $newMessage ) : |
| 364 | new Meow_MWAI_Query_Text( $newMessage, 1024 ); |
| 365 | $streamCallback = null; |
| 366 | |
| 367 | // Handle Params |
| 368 | $newParams = []; |
| 369 | foreach ( $chatbot as $key => $value ) { |
| 370 | $newParams[$key] = $value; |
| 371 | } |
| 372 | foreach ( $params as $key => $value ) { |
| 373 | $newParams[$key] = $value; |
| 374 | } |
| 375 | $params = apply_filters( 'mwai_chatbot_params', $newParams ); |
| 376 | $params['scope'] = empty( $params['scope'] ) ? 'chatbot' : $params['scope']; |
| 377 | $query->inject_params( $params ); |
| 378 | |
| 379 | $storeId = null; |
| 380 | if ( $mode === 'assistant' ) { |
| 381 | $chatId = $params['chatId'] ?? null; |
| 382 | if ( !empty( $chatId ) ) { |
| 383 | $discussion = $this->core->discussions->get_discussion( $query->botId, $chatId ); |
| 384 | if ( isset( $discussion['storeId'] ) ) { |
| 385 | $storeId = $discussion['storeId']; |
| 386 | $query->setStoreId( $storeId ); |
| 387 | } |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | // Support for Uploaded Image |
| 392 | if ( !empty( $newFileId ) ) { |
| 393 | |
| 394 | // Get extension and mime type |
| 395 | $isImage = $this->core->files->is_image( $newFileId ); |
| 396 | |
| 397 | if ( $mode === 'assistant' && !$isImage ) { |
| 398 | $url = $this->core->files->get_path( $newFileId ); |
| 399 | $data = $this->core->files->get_data( $newFileId ); |
| 400 | $openai = Meow_MWAI_Engines_Factory::get_openai( $this->core, $query->envId ); |
| 401 | $filename = basename( $url ); |
| 402 | |
| 403 | // Upload the file |
| 404 | $file = $openai->upload_file( $filename, $data, 'assistants' ); |
| 405 | |
| 406 | // Create a store |
| 407 | if ( empty( $storeId ) ) { |
| 408 | $chatbotName = 'mwai_' . strtolower( !empty( $chatbot['name'] ) ? $chatbot['name'] : 'default' ); |
| 409 | if ( !empty( $query->chatId ) ) { |
| 410 | $chatbotName .= "_" . $query->chatId; |
| 411 | } |
| 412 | $metadata = []; |
| 413 | if ( !empty( $chatbot['assistantId'] ) ) { |
| 414 | $metadata['assistantId'] = $chatbot['assistantId']; |
| 415 | } |
| 416 | if ( !empty( $query->chatId ) ) { |
| 417 | $metadata['chatId'] = $query->chatId; |
| 418 | } |
| 419 | $expiry = $this->core->get_option( 'image_expires' ); |
| 420 | $storeId = $openai->create_vector_store( $chatbotName, $expiry, $metadata ); |
| 421 | $query->setStoreId( $storeId ); |
| 422 | } |
| 423 | |
| 424 | // Add the file to the store |
| 425 | $storeFileId = $openai->add_vector_store_file( $storeId, $file['id'] ); |
| 426 | |
| 427 | // Update the local file with the OpenAI RefId, StoreId and StoreFileId |
| 428 | $openAiRefId = $file['id']; |
| 429 | $internalFileId = $this->core->files->get_id_from_refId( $newFileId ); |
| 430 | $this->core->files->update_refId( $internalFileId, $openAiRefId ); |
| 431 | $this->core->files->update_envId( $internalFileId, $query->envId ); |
| 432 | $this->core->files->update_purpose( $internalFileId, 'assistant-in' ); |
| 433 | $this->core->files->add_metadata( $internalFileId, 'assistant_storeId', $storeId ); |
| 434 | $this->core->files->add_metadata( $internalFileId, 'assistant_storeFileId', $storeFileId ); |
| 435 | $newFileId = $openAiRefId; |
| 436 | $scope = $params['fileSearch']; |
| 437 | if ( $scope === 'discussion' || $scope === 'user' || $scope === 'assistant' ) { |
| 438 | $id = $this->core->files->get_id_from_refId( $newFileId ); |
| 439 | $this->core->files->add_metadata( $id, 'assistant_scope', $scope ); |
| 440 | } |
| 441 | } |
| 442 | else { |
| 443 | $url = $this->core->files->get_url( $newFileId ); |
| 444 | $mimeType = $this->core->files->get_mime_type( $newFileId ); |
| 445 | $isIMG = in_array( $mimeType, [ 'image/jpeg', 'image/png', 'image/gif', 'image/webp' ] ); |
| 446 | $purposeType = $isIMG ? 'vision' : 'files'; |
| 447 | $query->set_file( Meow_MWAI_Query_DroppedFile::from_url( $url, $purposeType, $mimeType ) ); |
| 448 | $fileId = $this->core->files->get_id_from_refId( $newFileId ); |
| 449 | $this->core->files->update_envId( $fileId, $query->envId ); |
| 450 | $this->core->files->update_purpose( $fileId, $purposeType ); |
| 451 | $this->core->files->add_metadata( $fileId, 'query_envId', $query->envId ); |
| 452 | $this->core->files->add_metadata( $fileId, 'query_session', $query->session ); |
| 453 | } |
| 454 | } |
| 455 | |
| 456 | // Takeover |
| 457 | $takeoverAnswer = apply_filters( 'mwai_chatbot_takeover', null, $query, $params ); |
| 458 | if ( !empty( $takeoverAnswer ) ) { |
| 459 | return [ |
| 460 | 'reply' => $takeoverAnswer, |
| 461 | 'images' => null, |
| 462 | 'usage' => null |
| 463 | ]; |
| 464 | } |
| 465 | |
| 466 | // Moderation |
| 467 | $moderationEnabled = $this->core->get_option( 'module_moderation' ) && |
| 468 | $this->core->get_option( 'shortcode_chat_moderation' ); |
| 469 | if ( $moderationEnabled ) { |
| 470 | global $mwai; |
| 471 | $isFlagged = $mwai->moderationCheck( $query->get_message() ); |
| 472 | if ( $isFlagged ) { |
| 473 | throw new Exception( 'Sorry, your message has been rejected by moderation.' ); |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | // Awareness & Embeddings |
| 478 | $context = $this->core->retrieve_context( $params, $query ); |
| 479 | if ( !empty( $context ) ) { |
| 480 | $query->set_context( $context['content'] ); |
| 481 | } |
| 482 | |
| 483 | // Function Aware |
| 484 | $query = apply_filters( 'mwai_chatbot_query', $query, $params ); |
| 485 | } |
| 486 | |
| 487 | // Process Query |
| 488 | if ( $stream ) { |
| 489 | $streamCallback = function( $reply ) use ( $query ) { |
| 490 | $raw = $reply; |
| 491 | $this->core->stream_push( [ 'type' => 'live', 'data' => $raw ], $query ); |
| 492 | // if ( ob_get_level() > 0 ) { |
| 493 | // ob_flush(); |
| 494 | // } |
| 495 | // flush(); |
| 496 | }; |
| 497 | header( 'Cache-Control: no-cache' ); |
| 498 | header( 'Content-Type: text/event-stream' ); |
| 499 | // This is useful to disable buffering in nginx through headers. |
| 500 | header( 'X-Accel-Buffering: no' ); |
| 501 | ob_implicit_flush( true ); |
| 502 | ob_end_flush(); |
| 503 | } |
| 504 | |
| 505 | $reply = $this->core->run_query( $query, $streamCallback, true ); |
| 506 | $rawText = $reply->result; |
| 507 | $extra = []; |
| 508 | if ( $context ) { |
| 509 | $extra = [ 'embeddings' => isset( $context['embeddings'] ) ? $context['embeddings'] : null ]; |
| 510 | } |
| 511 | $rawText = apply_filters( 'mwai_chatbot_reply', $rawText, $query, $params, $extra ); |
| 512 | |
| 513 | // Integrity Check: We need to store the checksum of the messages sent by the client. |
| 514 | $stored_messages = $client_messages; |
| 515 | $stored_messages[] = [ 'role' => 'user', 'content' => $newMessage ]; |
| 516 | $stored_messages[] = [ 'role' => 'assistant', 'content' => $rawText ]; |
| 517 | $stored_checksum = $this->calculate_messages_checksum( $stored_messages ); |
| 518 | set_transient( $checksum_key, $stored_checksum, 60 * 60 * 24 * 30 ); |
| 519 | |
| 520 | // Actions |
| 521 | $actions = []; |
| 522 | if ( $reply->needClientActions ) { |
| 523 | foreach ( $reply->needClientActions as $action ) { |
| 524 | $actions[] = [ |
| 525 | 'type' => 'function', |
| 526 | 'data' => [ |
| 527 | 'name' => $action['function']->name, |
| 528 | 'args' => $action['arguments'] |
| 529 | ] |
| 530 | ]; |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | $restRes = [ |
| 535 | 'reply' => $rawText, |
| 536 | 'chatId' => $this->core->fix_chat_id( $query, $params ), |
| 537 | 'images' => $reply->get_type() === 'images' ? $reply->results : null, |
| 538 | 'actions' => $actions, |
| 539 | 'usage' => $reply->usage |
| 540 | ]; |
| 541 | |
| 542 | // Process Reply |
| 543 | if ( $stream ) { |
| 544 | $final_res = $this->build_final_res( $botId, $newMessage, $newFileId, $params, |
| 545 | $restRes['reply'], $restRes['images'], $restRes['actions'], $restRes['usage'] ); |
| 546 | $this->core->stream_push( [ 'type' => 'end', 'data' => json_encode( $final_res ) ], $query ); |
| 547 | die(); |
| 548 | } |
| 549 | else { |
| 550 | return $restRes; |
| 551 | } |
| 552 | |
| 553 | } |
| 554 | catch ( Exception $e ) { |
| 555 | $message = apply_filters( 'mwai_ai_exception', $e->getMessage() ); |
| 556 | if ( $stream ) { |
| 557 | $this->core->stream_push( [ 'type' => 'error', 'data' => $message ], $query ); |
| 558 | die(); |
| 559 | } |
| 560 | else { |
| 561 | throw $e; |
| 562 | } |
| 563 | } |
| 564 | } |
| 565 | |
| 566 | public function inject_chat() { |
| 567 | $params = $this->core->get_chatbot( $this->siteWideChatId ); |
| 568 | $clean_params = []; |
| 569 | if ( !empty( $params ) ) { |
| 570 | $clean_params['window'] = true; |
| 571 | $clean_params['id'] = $this->siteWideChatId; |
| 572 | echo $this->chat_shortcode( $clean_params ); |
| 573 | } |
| 574 | return null; |
| 575 | } |
| 576 | |
| 577 | public function build_front_params( $botId, $customId ) { |
| 578 | $frontSystem = [ |
| 579 | 'botId' => $customId ? null : $botId, |
| 580 | 'customId' => $customId, |
| 581 | 'userData' => $this->core->get_user_data(), |
| 582 | 'sessionId' => $this->core->get_session_id(), |
| 583 | 'restNonce' => $this->core->get_nonce(), |
| 584 | 'contextId' => get_the_ID(), |
| 585 | 'pluginUrl' => MWAI_URL, |
| 586 | 'restUrl' => untrailingslashit( get_rest_url() ), |
| 587 | 'stream' => $this->core->get_option( 'ai_streaming' ), |
| 588 | 'debugMode' => $this->core->get_option('module_devtools') && $this->core->get_option( 'debug_mode' ), |
| 589 | 'speech_recognition' => $this->core->get_option( 'speech_recognition' ), |
| 590 | 'speech_synthesis' => $this->core->get_option( 'speech_synthesis' ), |
| 591 | 'typewriter' => $this->core->get_option( 'chatbot_typewriter' ), |
| 592 | 'virtual_keyboard_fix' => $this->core->get_option( 'virtual_keyboard_fix' ) |
| 593 | ]; |
| 594 | return $frontSystem; |
| 595 | } |
| 596 | |
| 597 | public function resolveBotInfo( &$atts ) |
| 598 | { |
| 599 | $chatbot = null; |
| 600 | $botId = $atts['id'] ?? null; |
| 601 | $customId = $atts['custom_id'] ?? null; |
| 602 | if (!$botId && !$customId) { |
| 603 | $botId = "default"; |
| 604 | } |
| 605 | if ( $botId ) { |
| 606 | $chatbot = $this->core->get_chatbot( $botId ); |
| 607 | if (!$chatbot) { |
| 608 | $botId = $botId ?: 'N/A'; |
| 609 | return [ |
| 610 | 'error' => "AI Engine: Chatbot '{$botId}' not found. If you meant to set an ID for your custom chatbot, please use 'custom_id' instead of 'id'.", |
| 611 | ]; |
| 612 | } |
| 613 | } |
| 614 | $chatbot = $chatbot ?: $this->core->get_chatbot( 'default' ); |
| 615 | if ( !empty( $customId ) ) { |
| 616 | $botId = null; |
| 617 | } |
| 618 | unset( $atts['id'] ); |
| 619 | return [ |
| 620 | 'chatbot' => $chatbot, |
| 621 | 'botId' => $botId, |
| 622 | 'customId' => $customId, |
| 623 | ]; |
| 624 | } |
| 625 | |
| 626 | // TODO: After January 2025, remove this. |
| 627 | public function old_chat_shortcode( $atts ) { |
| 628 | Meow_MWAI_Logging::deprecated( "The shortcode 'mwai_chatbot_v2' is deprecated. Please use 'mwai_chatbot' instead." ); |
| 629 | return $this->chat_shortcode( $atts ); |
| 630 | } |
| 631 | |
| 632 | public function chat_shortcode( $atts ) { |
| 633 | $atts = empty( $atts ) ? [] : $atts; |
| 634 | |
| 635 | foreach ( $atts as $key => $value ) { |
| 636 | $atts[ $key ] = urldecode( $value ); |
| 637 | } |
| 638 | |
| 639 | // Let the user override the chatbot params |
| 640 | $atts = apply_filters( 'mwai_chatbot_params', $atts ); |
| 641 | |
| 642 | // Resolve the bot info |
| 643 | $resolvedBot = $this->resolveBotInfo( $atts, 'chatbot' ); |
| 644 | if ( isset( $resolvedBot['error'] ) ) { |
| 645 | return $resolvedBot['error']; |
| 646 | } |
| 647 | $chatbot = $resolvedBot['chatbot']; |
| 648 | $botId = $resolvedBot['botId']; |
| 649 | $customId = $resolvedBot['customId']; |
| 650 | |
| 651 | // Rename the keys of the atts into camelCase to match the internal params system. |
| 652 | $atts = array_map( function( $key, $value ) { |
| 653 | $key = str_replace( '_', ' ', $key ); |
| 654 | $key = ucwords( $key ); |
| 655 | $key = str_replace( ' ', '', $key ); |
| 656 | $key = lcfirst( $key ); |
| 657 | return [ $key => $value ]; |
| 658 | }, array_keys( $atts ), $atts ); |
| 659 | $atts = array_merge( ...$atts ); |
| 660 | |
| 661 | $frontParams = []; |
| 662 | foreach ( MWAI_CHATBOT_FRONT_PARAMS as $param ) { |
| 663 | // Let's go through the overriden or custom params first (the ones passed in the shortcode) |
| 664 | if ( isset( $atts[$param] ) ) { |
| 665 | if ( $param === 'localMemory' ) { |
| 666 | $frontParams[$param] = $atts[$param] === 'true'; |
| 667 | } |
| 668 | else { |
| 669 | $frontParams[$param] = $atts[$param]; |
| 670 | } |
| 671 | } |
| 672 | // If not, let's use the chatbot's default values |
| 673 | else if ( isset( $chatbot[$param] ) ) { |
| 674 | $frontParams[$param] = $chatbot[$param]; |
| 675 | } |
| 676 | |
| 677 | // Apply the placeholders |
| 678 | if ( in_array( $param, ['startSentence', 'iconText'] ) ) { |
| 679 | $frontParams[$param] = $this->core->do_placeholders( $frontParams[$param] ); |
| 680 | } |
| 681 | } |
| 682 | |
| 683 | // Server Params |
| 684 | // NOTE: We don't need the server params for the chatbot if there are no overrides, it means |
| 685 | // we are using the default or a specific chatbot. |
| 686 | $isSiteWide = $this->siteWideChatId && $botId === $this->siteWideChatId; |
| 687 | $hasServerOverrides = count( array_intersect( array_keys( $atts ), MWAI_CHATBOT_SERVER_PARAMS ) ) > 0; |
| 688 | $hasFrontOverrides = count( array_intersect( array_keys( $atts ), MWAI_CHATBOT_FRONT_PARAMS ) ) > 0; |
| 689 | $hasOverrides = !$isSiteWide && ( $hasServerOverrides || $hasFrontOverrides ); |
| 690 | |
| 691 | $serverParams = []; |
| 692 | if ( $hasOverrides ) { |
| 693 | foreach ( MWAI_CHATBOT_SERVER_PARAMS as $param ) { |
| 694 | if ( isset( $atts[$param] ) ) { |
| 695 | $serverParams[$param] = $atts[$param]; |
| 696 | } |
| 697 | else { |
| 698 | $serverParams[$param] = $chatbot[$param] ?? null; |
| 699 | } |
| 700 | } |
| 701 | } |
| 702 | |
| 703 | // Front Params |
| 704 | $frontSystem = $this->build_front_params( $botId, $customId ); |
| 705 | |
| 706 | // Clean Params |
| 707 | $frontParams = $this->clean_params( $frontParams ); |
| 708 | $frontSystem = $this->clean_params( $frontSystem ); |
| 709 | $serverParams = $this->clean_params( $serverParams ); |
| 710 | |
| 711 | // Server-side: Keep the System Params |
| 712 | if ( $hasOverrides ) { |
| 713 | if ( empty( $customId ) ) { |
| 714 | $customId = md5( json_encode( $serverParams ) ); |
| 715 | $frontSystem['customId'] = $customId; |
| 716 | } |
| 717 | set_transient( 'mwai_custom_chatbot_' . $customId, $serverParams, 60 * 60 * 24 ); |
| 718 | } |
| 719 | |
| 720 | // Retrieve the actions, shortcuts, and blocks we want to inject at the beginning |
| 721 | $filterParams = [ |
| 722 | 'step' => 'init', |
| 723 | 'botId' => $botId, |
| 724 | 'params' => array_merge( $frontParams, $frontSystem, $serverParams ) |
| 725 | ]; |
| 726 | $actions = apply_filters( 'mwai_chatbot_actions', [], $filterParams ); |
| 727 | $blocks = apply_filters( 'mwai_chatbot_blocks', [], $filterParams ); |
| 728 | $shortcuts = apply_filters( 'mwai_chatbot_shortcuts', [], $filterParams ); |
| 729 | $frontSystem['actions'] = $this->sanitize_actions( $actions ); |
| 730 | $frontSystem['blocks'] = $this->sanitize_blocks( $blocks ); |
| 731 | $frontSystem['shortcuts'] = $this->sanitize_shortcuts( $shortcuts ); |
| 732 | |
| 733 | // Client-side: Prepare JSON for Front Params and System Params |
| 734 | $theme = isset( $frontParams['themeId'] ) ? $this->core->get_theme( $frontParams['themeId'] ) : null; |
| 735 | $jsonFrontParams = htmlspecialchars( json_encode( $frontParams ), ENT_QUOTES, 'UTF-8' ); |
| 736 | $jsonFrontSystem = htmlspecialchars( json_encode( $frontSystem ), ENT_QUOTES, 'UTF-8' ); |
| 737 | $jsonFrontTheme = htmlspecialchars( json_encode( $theme ), ENT_QUOTES, 'UTF-8' ); |
| 738 | //$jsonAttributes = htmlspecialchars(json_encode($atts), ENT_QUOTES, 'UTF-8'); |
| 739 | |
| 740 | $this->enqueue_scripts(); |
| 741 | |
| 742 | return "<div class='mwai-chatbot-container' data-params='{$jsonFrontParams}' data-system='{$jsonFrontSystem}' data-theme='{$jsonFrontTheme}'></div>"; |
| 743 | } |
| 744 | |
| 745 | function chatbot_discussions( $atts ) { |
| 746 | $atts = empty($atts) ? [] : $atts; |
| 747 | |
| 748 | // Resolve the bot info |
| 749 | $resolvedBot = $this->resolveBotInfo( $atts ); |
| 750 | if ( isset( $resolvedBot['error'] ) ) { |
| 751 | return $resolvedBot['error']; |
| 752 | } |
| 753 | $chatbot = $resolvedBot['chatbot']; |
| 754 | $botId = $resolvedBot['botId']; |
| 755 | $customId = $resolvedBot['customId']; |
| 756 | |
| 757 | // Rename the keys of the atts into camelCase to match the internal params system. |
| 758 | $atts = array_map( function( $key, $value ) { |
| 759 | $key = str_replace( '_', ' ', $key ); |
| 760 | $key = ucwords( $key ); |
| 761 | $key = str_replace( ' ', '', $key ); |
| 762 | $key = lcfirst( $key ); |
| 763 | return [ $key => $value ]; |
| 764 | }, array_keys( $atts ), $atts ); |
| 765 | $atts = array_merge( ...$atts ); |
| 766 | |
| 767 | // Front Params |
| 768 | $frontParams = []; |
| 769 | foreach ( MWAI_DISCUSSIONS_FRONT_PARAMS as $param ) { |
| 770 | if ( isset( $atts[$param] ) ) { |
| 771 | $frontParams[$param] = $atts[$param]; |
| 772 | } |
| 773 | else if ( isset( $chatbot[$param] ) ) { |
| 774 | $frontParams[$param] = $chatbot[$param]; |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | // Server Params |
| 779 | $serverParams = []; |
| 780 | foreach ( MWAI_DISCUSSIONS_SERVER_PARAMS as $param ) { |
| 781 | if ( isset( $atts[$param] ) ) { |
| 782 | $serverParams[$param] = $atts[$param]; |
| 783 | } |
| 784 | } |
| 785 | |
| 786 | // Front System |
| 787 | $frontSystem = $this->build_front_params( $botId, $customId ); |
| 788 | |
| 789 | // Clean Params |
| 790 | $frontParams = $this->clean_params( $frontParams ); |
| 791 | $frontSystem = $this->clean_params( $frontSystem ); |
| 792 | $serverParams = $this->clean_params( $serverParams ); |
| 793 | |
| 794 | $theme = isset( $frontParams['themeId'] ) ? $this->core->get_theme( $frontParams['themeId'] ) : null; |
| 795 | $jsonFrontParams = htmlspecialchars( json_encode( $frontParams ), ENT_QUOTES, 'UTF-8' ); |
| 796 | $jsonFrontSystem = htmlspecialchars( json_encode( $frontSystem ), ENT_QUOTES, 'UTF-8' ); |
| 797 | $jsonFrontTheme = htmlspecialchars( json_encode( $theme ), ENT_QUOTES, 'UTF-8' ); |
| 798 | |
| 799 | return "<div class='mwai-discussions-container' data-params='{$jsonFrontParams}' data-system='{$jsonFrontSystem}' data-theme='{$jsonFrontTheme}'></div>"; |
| 800 | } |
| 801 | |
| 802 | function clean_params( &$params ) { |
| 803 | foreach ( $params as $param => $value ) { |
| 804 | if ( $param === 'restNonce' ) { |
| 805 | continue; |
| 806 | } |
| 807 | if ( empty( $value ) || is_array( $value ) ) { |
| 808 | continue; |
| 809 | } |
| 810 | $lowerCaseValue = strtolower( $value ); |
| 811 | if ( $lowerCaseValue === 'true' || $lowerCaseValue === 'false' || is_bool( $value ) ) { |
| 812 | $params[$param] = filter_var( $value, FILTER_VALIDATE_BOOLEAN ); |
| 813 | } |
| 814 | else if ( is_numeric( $value ) ) { |
| 815 | $params[$param] = filter_var( $value, FILTER_VALIDATE_FLOAT ); |
| 816 | } |
| 817 | } |
| 818 | return $params; |
| 819 | } |
| 820 | |
| 821 | } |
| 822 |