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| Current File : /storage/v11800/affypharma/public_html/wp-content/plugins/ai-engine/classes/modules/chatbot.php |
<?php
// Params for the chatbot (front and server)
define( 'MWAI_CHATBOT_FRONT_PARAMS', [ 'id', 'customId', 'aiName', 'userName', 'guestName',
'aiAvatar', 'userAvatar', 'textSend', 'textClear', 'imageUpload', 'fileSearch',
'textInputPlaceholder', 'textInputMaxLength', 'textCompliance', 'startSentence', 'localMemory',
'themeId', 'window', 'icon', 'iconText', 'iconTextDelay', 'iconAlt', 'iconPosition', 'iconBubble',
'fullscreen', 'copyButton'
] );
define( 'MWAI_CHATBOT_SERVER_PARAMS', [ 'id', 'envId', 'scope', 'mode', 'contentAware', 'context',
'embeddingsEnvId', 'embeddingsIndex', 'embeddingsNamespace', 'assistantId', 'instructions',
'model', 'temperature', 'maxTokens', 'contextMaxLength', 'maxResults', 'apiKey', 'functions'
] );
// Params for the discussions (front and server)
define( 'MWAI_DISCUSSIONS_FRONT_PARAMS', [ 'themeId', 'textNewChat' ] );
define( 'MWAI_DISCUSSIONS_SERVER_PARAMS', [ 'customId' ] );
class Meow_MWAI_Modules_Chatbot {
private $core = null;
private $namespace = 'mwai-ui/v1';
private $siteWideChatId = null;
public function __construct() {
global $mwai_core;
$this->core = $mwai_core;
$this->siteWideChatId = $this->core->get_option( 'botId' );
add_shortcode( 'mwai_chatbot', array( $this, 'chat_shortcode' ) );
add_shortcode( 'mwai_chatbot_v2', array( $this, 'chat_shortcode' ) );
add_action( 'rest_api_init', array( $this, 'rest_api_init' ) );
add_action( 'wp_enqueue_scripts', array( $this, 'register_scripts' ) );
add_action( 'admin_enqueue_scripts', array( $this, 'register_scripts' ) );
if ( $this->core->get_option( 'chatbot_discussions' ) ) {
add_shortcode( 'mwai_discussions', [ $this, 'chatbot_discussions' ] );
}
}
public function register_scripts() {
// Load JS
$physical_file = trailingslashit( MWAI_PATH ) . 'app/chatbot.js';
$cache_buster = file_exists( $physical_file ) ? filemtime( $physical_file ) : MWAI_VERSION;
wp_register_script( 'mwai_chatbot', trailingslashit( MWAI_URL )
. 'app/chatbot.js', [ 'wp-element' ], $cache_buster, false );
// Load CSS for the Themes
$themes = $this->core->get_themes();
foreach ( $themes as $theme ) {
if ( $theme['type'] === 'internal' ) {
$themeId = $theme['themeId'];
$filename = $themeId . '.css';
$physical_file = trailingslashit( MWAI_PATH ) . 'themes/' . $filename;
$cache_buster = file_exists( $physical_file ) ? filemtime( $physical_file ) : MWAI_VERSION;
wp_register_style( 'mwai_chatbot_theme_' . $themeId, trailingslashit( MWAI_URL )
. 'themes/' . $filename, [], $cache_buster );
}
}
// Actual loading of the scripts
$hasSiteWideChat = $this->siteWideChatId && $this->siteWideChatId !== 'none';
if ( is_admin() || $hasSiteWideChat ) {
$this->enqueue_scripts();
if ( $hasSiteWideChat ) {
// Chatbot Injection
add_action( 'wp_footer', array( $this, 'inject_chat' ) );
}
}
}
public function enqueue_scripts() {
// TODO: We should optimize and only load the themes that are used.
$themes = $this->core->get_themes();
foreach ( $themes as $theme ) {
if ( $theme['type'] === 'internal' ) {
$themeId = $theme['themeId'];
wp_enqueue_style( "mwai_chatbot_theme_$themeId" );
}
}
wp_enqueue_script( "mwai_chatbot" );
if ( $this->core->get_option( 'syntax_highlight' ) ) {
wp_enqueue_script( "mwai_highlight" );
}
}
public function rest_api_init() {
register_rest_route( $this->namespace, '/chats/submit', array(
'methods' => 'POST',
'callback' => [ $this, 'rest_chat' ],
'permission_callback' => array( $this->core, 'check_rest_nonce' )
) );
}
public function basics_security_check( $botId, $customId, $newMessage, $newFileId ) {
if ( !$botId && !$customId ) {
$this->core->log( "⚠️ The query was rejected - no botId nor id was specified.");
return false;
}
if ( $newFileId ) {
return true;
}
$length = strlen( empty( $newMessage ) ? "" : $newMessage );
if ( $length < 1 || $length > ( 4096 * 16 ) ) {
$this->core->log( "⚠️ The query was rejected - message was too short or too long.");
return false;
}
return true;
}
public function rest_chat( $request ) {
$params = $request->get_json_params();
$botId = $params['botId'] ?? null;
$customId = $params['customId'] ?? null;
$stream = $params['stream'] ?? false;
$newMessage = trim( $params['newMessage'] ?? '' );
$newFileId = $params['newFileId'] ?? null;
if ( !$this->basics_security_check( $botId, $customId, $newMessage, $newFileId )) {
return new WP_REST_Response( [
'success' => false,
'message' => apply_filters( 'mwai_ai_exception', 'Sorry, your query has been rejected.' )
], 403 );
}
try {
$data = $this->chat_submit( $botId, $newMessage, $newFileId, $params, $stream );
return new WP_REST_Response( [
'success' => true,
'reply' => $data['reply'],
'images' => $data['images'],
'usage' => $data['usage']
], 200 );
}
catch ( Exception $e ) {
$message = apply_filters( 'mwai_ai_exception', $e->getMessage() );
return new WP_REST_Response( [
'success' => false,
'message' => $message
], 500 );
}
}
public function chat_submit( $botId, $newMessage, $newFileId = null, $params = [], $stream = false ) {
try {
$chatbot = null;
$customId = $params['customId'] ?? null;
// Custom Chatbot
if ( $customId ) {
$chatbot = get_transient( 'mwai_custom_chatbot_' . $customId );
}
// Registered Chatbot
if ( !$chatbot && $botId ) {
$chatbot = $this->core->get_chatbot( $botId );
}
if ( !$chatbot ) {
$this->core->log( "⚠️ No chatbot was found for this query.");
throw new Exception( 'Sorry, your query has been rejected.' );
}
$textInputMaxLength = $chatbot['textInputMaxLength'] ?? null;
if ( $textInputMaxLength && strlen( $newMessage ) > (int)$textInputMaxLength ) {
throw new Exception( 'Sorry, your query has been rejected.' );
}
// Create QueryText
$context = null;
$mode = $chatbot['mode'] ?? 'chat';
if ( $mode === 'images' ) {
$query = new Meow_MWAI_Query_Image( $newMessage );
// Handle Params
$newParams = [];
foreach ( $chatbot as $key => $value ) {
$newParams[$key] = $value;
}
foreach ( $params as $key => $value ) {
$newParams[$key] = $value;
}
$params = apply_filters( 'mwai_chatbot_params', $newParams );
$params['scope'] = empty( $params['scope'] ) ? 'chatbot' : $params['scope'];
$query->inject_params( $params );
}
else {
$query = $mode === 'assistant' ? new Meow_MWAI_Query_Assistant( $newMessage ) :
new Meow_MWAI_Query_Text( $newMessage, 1024 );
$streamCallback = null;
// Handle Params
$newParams = [];
foreach ( $chatbot as $key => $value ) {
$newParams[$key] = $value;
}
foreach ( $params as $key => $value ) {
$newParams[$key] = $value;
}
$params = apply_filters( 'mwai_chatbot_params', $newParams );
$params['scope'] = empty( $params['scope'] ) ? 'chatbot' : $params['scope'];
$query->inject_params( $params );
$storeId = null;
if ( $mode === 'assistant' ) {
$chatId = $params['chatId'] ?? null;
if ( !empty( $chatId ) ) {
$discussion = $this->core->discussions->get_discussion( $query->botId, $chatId );
if ( isset( $discussion['storeId'] ) ) {
$storeId = $discussion['storeId'];
$query->setStoreId( $storeId );
}
}
}
// Support for Uploaded Image
if ( !empty( $newFileId ) ) {
// Get extension and mime type
$isImage = $this->core->files->is_image( $newFileId );
if ( $mode === 'assistant' && !$isImage ) {
$url = $this->core->files->get_path( $newFileId );
$data = $this->core->files->get_data( $newFileId );
$openai = Meow_MWAI_Engines_Factory::get_openai( $this->core, $query->envId );
$filename = basename( $url );
// Upload the file
$file = $openai->upload_file( $filename, $data, 'assistants' );
// Create a store
if ( empty( $storeId ) ) {
$chatbotName = 'mwai_' . strtolower( !empty( $chatbot['name'] ) ? $chatbot['name'] : 'default' );
if ( !empty( $query->chatId ) ) {
$chatbotName .= "_" . $query->chatId;
}
$expiry = $this->core->get_option( 'image_expires' );
$metadata = [];
if ( !empty( $chatbot['assistantId'] ) ) {
$metadata['assistantId'] = $chatbot['assistantId'];
}
if ( !empty( $query->chatId ) ) {
$metadata['chatId'] = $query->chatId;
}
$storeId = $openai->create_vector_store( $chatbotName, $expiry, $metadata );
$query->setStoreId( $storeId );
}
// Add the file to the store
$storeFileId = $openai->add_vector_store_file( $storeId, $file['id'] );
// Update the local file with the OpenAI RefId, StoreId and StoreFileId
$openAiRefId = $file['id'];
$internalFileId = $this->core->files->get_id_from_refId( $newFileId );
$this->core->files->update_refId( $internalFileId, $openAiRefId );
$this->core->files->update_envId( $internalFileId, $query->envId );
$this->core->files->update_purpose( $internalFileId, 'assistant-in' );
$this->core->files->add_metadata( $internalFileId, 'assistant_storeId', $storeId );
$this->core->files->add_metadata( $internalFileId, 'assistant_storeFileId', $storeFileId );
$newFileId = $openAiRefId;
$scope = $params['fileSearch'];
if ( $scope === 'discussion' || $scope === 'user' || $scope === 'assistant' ) {
$id = $this->core->files->get_id_from_refId( $newFileId );
$this->core->files->add_metadata( $id, 'assistant_scope', $scope );
}
}
else {
$url = $this->core->files->get_url( $newFileId );
$mimeType = $this->core->files->get_mime_type( $newFileId );
$query->set_file( Meow_MWAI_Query_DroppedFile::from_url( $url, 'vision', $mimeType ) );
$fileId = $this->core->files->get_id_from_refId( $newFileId );
$this->core->files->update_envId( $fileId, $query->envId );
$this->core->files->update_purpose( $fileId, 'vision' );
$this->core->files->add_metadata( $fileId, 'query_envId', $query->envId );
$this->core->files->add_metadata( $fileId, 'query_session', $query->session );
}
}
// Takeover
$takeoverAnswer = apply_filters( 'mwai_chatbot_takeover', null, $query, $params );
if ( !empty( $takeoverAnswer ) ) {
return [
'reply' => $takeoverAnswer,
'images' => null,
'usage' => null
];
}
// Moderation
$moderationEnabled = $this->core->get_option( 'module_moderation' ) &&
$this->core->get_option( 'shortcode_chat_moderation' );
if ( $moderationEnabled ) {
global $mwai;
$isFlagged = $mwai->moderationCheck( $query->get_message() );
if ( $isFlagged ) {
throw new Exception( 'Sorry, your message has been rejected by moderation.' );
}
}
// Awareness & Embeddings
$context = $this->core->retrieve_context( $params, $query );
if ( !empty( $context ) ) {
$query->set_context( $context['content'] );
}
// Function Aware
$query = apply_filters( 'mwai_chatbot_query', $query, $params );
}
// Process Query
if ( $stream ) {
$streamCallback = function( $reply ) {
$raw = $reply;
$this->stream_push( [ 'type' => 'live', 'data' => $raw ] );
if ( ob_get_level() > 0 ) {
ob_flush();
}
flush();
};
header( 'Cache-Control: no-cache' );
header( 'Content-Type: text/event-stream' );
// This is useful to disable buffering in nginx through headers.
header( 'X-Accel-Buffering: no' );
ob_implicit_flush( true );
ob_end_flush();
}
$reply = $this->core->run_query( $query, $streamCallback, true );
$rawText = $reply->result;
$extra = [];
if ( $context ) {
$extra = [ 'embeddings' => $context['embeddings'] ];
}
$rawText = apply_filters( 'mwai_chatbot_reply', $rawText, $query, $params, $extra );
$restRes = [
'reply' => $rawText,
'images' => $reply->get_type() === 'images' ? $reply->results : null,
'usage' => $reply->usage
];
// Process Reply
if ( $stream ) {
$this->stream_push( [
'type' => 'end',
'data' => json_encode([
'success' => true,
'reply' => $restRes['reply'],
'images' => $restRes['images'],
'usage' => $restRes['usage']
])
] );
die();
}
else {
return $restRes;
}
}
catch ( Exception $e ) {
$message = apply_filters( 'mwai_ai_exception', $e->getMessage() );
if ( $stream ) {
$this->stream_push( [ 'type' => 'error', 'data' => $message ] );
die();
}
else {
throw $e;
}
}
}
public function stream_push( $data ) {
$out = "data: " . json_encode( $data );
echo $out;
echo "\n\n";
if (ob_get_level() > 0) {
ob_end_flush();
}
flush();
}
public function inject_chat() {
$params = $this->core->get_chatbot( $this->siteWideChatId );
$clean_params = [];
if ( !empty( $params ) ) {
$clean_params['window'] = true;
$clean_params['id'] = $this->siteWideChatId;
echo $this->chat_shortcode( $clean_params );
}
return null;
}
public function build_front_params( $botId, $customId ) {
$frontSystem = [
'botId' => $customId ? null : $botId,
'customId' => $customId,
'userData' => $this->core->get_user_data(),
'sessionId' => $this->core->get_session_id(),
'restNonce' => $this->core->get_nonce(),
'contextId' => get_the_ID(),
'pluginUrl' => MWAI_URL,
'restUrl' => untrailingslashit( get_rest_url() ),
'debugMode' => $this->core->get_option( 'debug_mode' ),
'typewriter' => $this->core->get_option( 'chatbot_typewriter' ),
'speech_recognition' => $this->core->get_option( 'speech_recognition' ),
'speech_synthesis' => $this->core->get_option( 'speech_synthesis' ),
'stream' => $this->core->get_option( 'ai_streaming' ),
];
return $frontSystem;
}
public function resolveBotInfo( &$atts )
{
$chatbot = null;
$botId = $atts['id'] ?? null;
$customId = $atts['custom_id'] ?? null;
if (!$botId && !$customId) {
$botId = "default";
}
if ( $botId ) {
$chatbot = $this->core->get_chatbot( $botId );
if (!$chatbot) {
$botId = $botId ?: 'N/A';
return [
'error' => "AI Engine: Chatbot '{$botId}' not found. If you meant to set an ID for your custom chatbot, please use 'custom_id' instead of 'id'.",
];
}
}
$chatbot = $chatbot ?: $this->core->get_chatbot( 'default' );
if ( !empty( $customId ) ) {
$botId = null;
}
unset( $atts['id'] );
return [
'chatbot' => $chatbot,
'botId' => $botId,
'customId' => $customId,
];
}
public function chat_shortcode( $atts ) {
$atts = empty( $atts ) ? [] : $atts;
// Let the user override the chatbot params
$atts = apply_filters( 'mwai_chatbot_params', $atts );
// Resolve the bot info
$resolvedBot = $this->resolveBotInfo( $atts, 'chatbot' );
if ( isset( $resolvedBot['error'] ) ) {
return $resolvedBot['error'];
}
$chatbot = $resolvedBot['chatbot'];
$botId = $resolvedBot['botId'];
$customId = $resolvedBot['customId'];
// Rename the keys of the atts into camelCase to match the internal params system.
$atts = array_map( function( $key, $value ) {
$key = str_replace( '_', ' ', $key );
$key = ucwords( $key );
$key = str_replace( ' ', '', $key );
$key = lcfirst( $key );
return [ $key => $value ];
}, array_keys( $atts ), $atts );
$atts = array_merge( ...$atts );
$frontParams = [];
foreach ( MWAI_CHATBOT_FRONT_PARAMS as $param ) {
if ( isset( $atts[$param] ) ) {
if ( $param === 'localMemory' ) {
$frontParams[$param] = $atts[$param] === 'true';
}
else {
$frontParams[$param] = $atts[$param];
}
}
else if ( isset( $chatbot[$param] ) ) {
$frontParams[$param] = $chatbot[$param];
}
}
// Server Params
// NOTE: We don't need the server params for the chatbot if there are no overrides, it means
// we are using the default or a specific chatbot.
$hasServerOverrides = count( array_intersect( array_keys( $atts ), MWAI_CHATBOT_SERVER_PARAMS ) ) > 0;
$serverParams = [];
if ( $hasServerOverrides ) {
foreach ( MWAI_CHATBOT_SERVER_PARAMS as $param ) {
if ( isset( $atts[$param] ) ) {
$serverParams[$param] = $atts[$param];
}
else {
$serverParams[$param] = $chatbot[$param] ?? null;
}
}
}
// Front Params
$frontSystem = $this->build_front_params( $botId, $customId );
// Clean Params
$frontParams = $this->clean_params( $frontParams );
$frontSystem = $this->clean_params( $frontSystem );
$serverParams = $this->clean_params( $serverParams );
// Server-side: Keep the System Params
if ( $hasServerOverrides ) {
if ( empty( $customId ) ) {
$customId = md5( json_encode( $serverParams ) );
$frontSystem['customId'] = $customId;
}
set_transient( 'mwai_custom_chatbot_' . $customId, $serverParams, 60 * 60 * 24 );
}
// Client-side: Prepare JSON for Front Params and System Params
$theme = isset( $frontParams['themeId'] ) ? $this->core->get_theme( $frontParams['themeId'] ) : null;
$jsonFrontParams = htmlspecialchars( json_encode( $frontParams ), ENT_QUOTES, 'UTF-8' );
$jsonFrontSystem = htmlspecialchars( json_encode( $frontSystem ), ENT_QUOTES, 'UTF-8' );
$jsonFrontTheme = htmlspecialchars( json_encode( $theme ), ENT_QUOTES, 'UTF-8' );
//$jsonAttributes = htmlspecialchars(json_encode($atts), ENT_QUOTES, 'UTF-8');
$this->enqueue_scripts();
return "<div class='mwai-chatbot-container' data-params='{$jsonFrontParams}' data-system='{$jsonFrontSystem}' data-theme='{$jsonFrontTheme}'></div>";
}
function chatbot_discussions( $atts ) {
$atts = empty($atts) ? [] : $atts;
// Resolve the bot info
$resolvedBot = $this->resolveBotInfo( $atts );
if ( isset( $resolvedBot['error'] ) ) {
return $resolvedBot['error'];
}
$chatbot = $resolvedBot['chatbot'];
$botId = $resolvedBot['botId'];
$customId = $resolvedBot['customId'];
// Rename the keys of the atts into camelCase to match the internal params system.
$atts = array_map( function( $key, $value ) {
$key = str_replace( '_', ' ', $key );
$key = ucwords( $key );
$key = str_replace( ' ', '', $key );
$key = lcfirst( $key );
return [ $key => $value ];
}, array_keys( $atts ), $atts );
$atts = array_merge( ...$atts );
// Front Params
$frontParams = [];
foreach ( MWAI_DISCUSSIONS_FRONT_PARAMS as $param ) {
if ( isset( $atts[$param] ) ) {
$frontParams[$param] = $atts[$param];
}
else if ( isset( $chatbot[$param] ) ) {
$frontParams[$param] = $chatbot[$param];
}
}
// Server Params
$serverParams = [];
foreach ( MWAI_DISCUSSIONS_SERVER_PARAMS as $param ) {
if ( isset( $atts[$param] ) ) {
$serverParams[$param] = $atts[$param];
}
}
// Front System
$frontSystem = $this->build_front_params( $botId, $customId );
// Clean Params
$frontParams = $this->clean_params( $frontParams );
$frontSystem = $this->clean_params( $frontSystem );
$serverParams = $this->clean_params( $serverParams );
$theme = isset( $frontParams['themeId'] ) ? $this->core->get_theme( $frontParams['themeId'] ) : null;
$jsonFrontParams = htmlspecialchars( json_encode( $frontParams ), ENT_QUOTES, 'UTF-8' );
$jsonFrontSystem = htmlspecialchars( json_encode( $frontSystem ), ENT_QUOTES, 'UTF-8' );
$jsonFrontTheme = htmlspecialchars( json_encode( $theme ), ENT_QUOTES, 'UTF-8' );
return "<div class='mwai-discussions-container' data-params='{$jsonFrontParams}' data-system='{$jsonFrontSystem}' data-theme='{$jsonFrontTheme}'></div>";
}
function clean_params( &$params ) {
foreach ( $params as $param => $value ) {
if ( $param === 'restNonce' ) {
continue;
}
if ( empty( $value ) || is_array( $value ) ) {
continue;
}
$lowerCaseValue = strtolower( $value );
if ( $lowerCaseValue === 'true' || $lowerCaseValue === 'false' || is_bool( $value ) ) {
$params[$param] = filter_var( $value, FILTER_VALIDATE_BOOLEAN );
}
else if ( is_numeric( $value ) ) {
$params[$param] = filter_var( $value, FILTER_VALIDATE_FLOAT );
}
}
return $params;
}
}