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<?php |
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if (!defined('ABSPATH')) exit; // Exit if accessed directly |
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/** |
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* Common functions class |
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*/ |
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class Qcld_WPBot_Common_Functions { |
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|
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|
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private static $instance = null; |
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|
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public static function instance() { |
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if ( is_null( self::$instance ) ) { |
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self::$instance = new self(); |
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} |
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return self::$instance; |
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} |
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|
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private function __construct() { |
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add_action('wp_ajax_wpbot_save_feedback', array( $this, 'wpbot_save_feedback') ); |
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add_action('wp_ajax_nopriv_wpbot_save_feedback', array( $this,'wpbot_save_feedback') ); |
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add_action( 'wp_ajax_wpbot_save_report', array( $this, 'wpbot_save_report') ); |
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add_action( 'wp_ajax_nopriv_wpbot_save_report', array( $this, 'wpbot_save_report') ); |
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add_action('wp_ajax_nopriv_get_relevant_pages', array($this, 'qcld_get_relevant_pages_ajax')); |
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add_action('wp_ajax_rate_limit_settings_option', array($this, 'rate_limit_settings_option_callback')); |
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register_activation_hook(__FILE__, array('qcld_wpopenai_addons', 'schedule_rate_limit_reset_events')); |
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add_filter('cron_schedules', array($this, 'qcld_user_role_rate_cron_schedule')); |
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add_action('rate_limit_checker', array($this, 'rate_limit_checker')); |
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add_action('qcld_openai_user_rate_cal', array($this, 'qcld_openai_user_rate_cal')); |
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add_action('reset_rate_limit_used_counts', [$this, 'reset_rate_limit_used_counts'], 10, 1); |
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|
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} |
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/** |
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* Remove stopwords from search query |
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* |
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* @param string $query The search query |
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* @param array $stopwords Array of stopwords to remove |
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* @return string Query with stopwords removed |
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*/ |
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public static function qcpd_remove_wa_stopwords($query, $stopwords) { |
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return preg_replace('/\b('.implode('|',$stopwords).')\b/','',$query); |
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} |
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|
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/** |
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* Get relevant page links based on search query |
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* |
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* @param string $search_query The search query |
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* @return array Array of relevant page links |
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*/ |
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public static function qcpd_relevant_pagelink($search_query) { |
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$stopwords = explode(',', get_option('qlcd_wp_chatbot_stop_words')); |
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|
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$finalQueryWordsWithoutStopWords = self::qcpd_remove_wa_stopwords(strtolower($search_query), $stopwords); |
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|
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$cleanWordsWithoutPunctuationMarks = preg_replace('/[\p{P}]/u', '', $finalQueryWordsWithoutStopWords); |
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|
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$q = trim($cleanWordsWithoutPunctuationMarks); |
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|
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$links = []; |
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|
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$post_type_array = get_option('qcld_openai_relevant_post'); |
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|
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$the_query = new WP_Query(array( |
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'post_status' => 'publish', |
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'posts_per_page' => 5, |
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's' => esc_attr($q), |
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'post_type' => $post_type_array |
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)); |
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|
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if($the_query->have_posts()) { |
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while($the_query->have_posts()) { |
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$the_query->the_post(); |
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|
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$url = esc_url(get_permalink()); |
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$link = '<a href=' . $url . ' target="_blank">' . get_the_title() . '</a>'; |
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array_push($links, $link); |
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} |
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wp_reset_postdata(); |
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} |
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|
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$links = array_unique($links); |
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return $links; |
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} |
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|
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|
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public function wpbot_save_feedback() { |
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check_ajax_referer('wp_chatbot', 'nonce'); |
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global $wpdb; |
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|
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$table = $wpdb->prefix . 'wpbot_chat_report'; |
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|
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$user_id = intval(wp_unslash($_POST['user_id'])); |
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$conversation_id= intval(wp_unslash($_POST['conversation_id'])); |
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$message = sanitize_text_field(wp_unslash($_POST['message'])); |
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$feedback = sanitize_text_field(wp_unslash($_POST['feedback'])); // "like" or "dislike" |
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$meta_info = sanitize_textarea_field(wp_unslash($_POST['meta_info'])); |
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$date = current_time('mysql'); |
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|
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$inserted = $wpdb->insert( // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery |
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$table, array( |
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'user_id' => $user_id, |
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'conversation_id'=> $conversation_id, |
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'message' => $message, |
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'feedback' => $feedback, |
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'meta_info' => $meta_info, |
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'created_at' => $date |
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)); |
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|
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if ($inserted !== false) { |
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wp_send_json_success(array('message' => 'Feedback saved.')); |
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} else { |
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wp_send_json_error(array('message' => 'Failed to save feedback.')); |
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} |
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} |
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|
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/** |
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* Save report func |
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* |
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*/ |
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|
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|
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public function wpbot_save_report() { |
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check_ajax_referer('wp_chatbot', 'nonce'); |
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global $wpdb; |
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$table_report = $wpdb->prefix . 'wpbot_chat_report'; |
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|
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$email = sanitize_email(wp_unslash($_POST['email'])); |
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$message = sanitize_textarea_field(wp_unslash($_POST['message'])); |
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$report_text = sanitize_textarea_field(wp_unslash($_POST['report_text'])); |
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|
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$wpdb->insert( // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery |
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$table_report, |
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[ |
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'user_id' => get_current_user_id(), // or match from wpbot_user. |
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'message' => $message, |
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'meta_info' => maybe_serialize( [ 'email' => $email, 'report_text' => $report_text ] ), |
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], |
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[ '%d', '%s', '%s' ] |
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); |
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|
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// Send report email to admin |
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$admin_email = get_option( 'admin_email' ); |
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$subject = "New Chat Report"; |
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$body = "Reported Message:\n{$message}\n\nReport Text:\n{$report_text}\n\nUser Email: {$email}"; |
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wp_mail( $admin_email, $subject, $body ); |
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|
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wp_send_json_success(); |
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} |
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public function rate_limit_settings_option_callback() |
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{ |
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|
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// Check is admin and verify nonce |
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if (! current_user_can('manage_options')) { |
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wp_send_json_error('Unauthorized'); |
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wp_die(); |
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} |
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check_ajax_referer( 'wp_chatbot', 'nonce' ); |
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// Save the rate limiting enabled/disabled setting |
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if (isset($_POST['is_rate_limiting_enabled'])) { |
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$is_rate_limiting_enabled = intval( wp_unslash( $_POST['is_rate_limiting_enabled'] ) ); |
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update_option('is_rate_limiting_enabled', $is_rate_limiting_enabled); |
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} |
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// Save the rate limits for each role |
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// phpcs:ignore WordPress.Security.ValidatedSanitizedInput |
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if (isset($_POST['rate_limits']) && is_array( $_POST['rate_limits'] )) { |
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$rate_limits = array_map( 'sanitize_text_field', wp_unslash( $_POST['rate_limits'] ) ); |
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foreach ($rate_limits as $role => $limit) { |
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$option_name = 'rate_limit_' . sanitize_key( $role ); |
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$limit_value = intval($limit); |
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update_option($option_name, $limit_value); |
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// phpcs:ignore WordPress.Security.ValidatedSanitizedInput |
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$timeframe_raw = isset( $_POST['rate_limit_timeframes'][ $role ] ) ? sanitize_text_field( wp_unslash( $_POST['rate_limit_timeframes'][ $role ] ) ) : '24'; |
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$timeframe = intval($timeframe_raw) * 3600; // Convert hours to seconds |
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update_option('rate_limit_timeframe_' . $role, $timeframe); |
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} |
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// phpcs:ignore WordPress.Security.ValidatedSanitizedInput |
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$guest_timeframe_raw = isset( $_POST['rate_limit_timeframes']['guest'] ) ? sanitize_text_field( wp_unslash( $_POST['rate_limit_timeframes']['guest'] ) ) : '24'; |
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$timeframe = intval($guest_timeframe_raw) * 3600; // Convert hours to seconds |
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update_option('rate_limit_timeframe_guest', $timeframe); |
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} |
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// In your rate_limit_settings_option_callback(), after updating options: |
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$this->schedule_rate_limit_reset_events(); |
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wp_send_json_success('Settings saved'); |
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wp_die(); |
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} |
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public function qcld_user_role_rate_cron_schedule($schedules) |
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{ |
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$roles = wp_roles()->roles; |
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foreach ($roles as $role => $details) { |
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$timeframe = intval(get_option('rate_limit_timeframe_' . $role, true)); |
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// Minimum 3600 seconds |
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$schedules['session_schedules_rate_limit_' . $role] = array( |
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'interval' => $timeframe, |
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'display' => esc_html( 'session_schedules_rate_limit_' . $role ), |
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); |
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// Schedule the cron job for each role if not already scheduled); |
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} |
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return $schedules; |
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} |
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// wpshedule event to reset the rate limit used counts |
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public function schedule_rate_limit_reset_events() |
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{ |
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// Ensure WordPress cron functions are available |
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if (! function_exists('wp_schedule_event')) { |
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require_once ABSPATH . 'wp-includes/wp-cron.php'; |
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} |
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$roles = wp_roles()->roles; |
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foreach ($roles as $role => $d) { |
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// Unschedule all existing events for this role |
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$timestamp = wp_next_scheduled('reset_rate_limit_used_counts', array($role)); |
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while ($timestamp) { |
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wp_unschedule_event($timestamp, 'reset_rate_limit_used_counts', array($role)); |
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$timestamp = wp_next_scheduled('reset_rate_limit_used_counts', array($role)); |
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} |
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// Schedule new event with updated interval |
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wp_schedule_event(time(), 'session_schedules_rate_limit_' . $role, 'reset_rate_limit_used_counts', array($role)); |
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} |
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} |
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public function qcld_wpsession_cron_deactivation() |
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{ |
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$timestamp = wp_next_scheduled('reset_rate_limit_used_counts'); |
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wp_unschedule_event($timestamp, 'reset_rate_limit_used_counts'); |
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} |
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public function rate_limit_checker() |
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{ |
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$qlcd_wp_chatbot_ai_rate_limiting_message = qcld_wb_chatbot_func_str_replace( |
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maybe_unserialize(get_option('qlcd_wp_chatbot_ai_rate_limiting_message', true)) |
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); |
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if (get_option('is_stream_enabled') == 1) { |
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$response = array( |
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'status' => 'error', |
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'message' => esc_html( |
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( is_array( $qlcd_wp_chatbot_ai_rate_limiting_message ) && ! empty( $qlcd_wp_chatbot_ai_rate_limiting_message[0] ) ) |
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? $qlcd_wp_chatbot_ai_rate_limiting_message[0] |
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: __( 'Rate limit exceeded. Please try again later.', 'chatbot' ) |
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), |
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); |
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} else { |
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$response = array( |
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'status' => 'success', |
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'message' => esc_html( |
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( is_array( $qlcd_wp_chatbot_ai_rate_limiting_message ) && ! empty( $qlcd_wp_chatbot_ai_rate_limiting_message[0] ) ) |
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? $qlcd_wp_chatbot_ai_rate_limiting_message[0] |
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: __( 'Rate limit exceeded. Please try again later.', 'chatbot' ) |
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), |
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); |
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} |
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if (is_user_logged_in()) { |
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$user = wp_get_current_user(); |
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if (! empty($user->roles) && is_array($user->roles)) { |
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$role = $user->roles[0]; |
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$option_name = 'rate_limit_' . $role; |
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$limit = get_option($option_name); |
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$rate_limit = get_user_meta(get_current_user_id(), 'qcld_openai_user_rate_limit', true); |
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if (($limit >= $rate_limit) || $limit == 0) { |
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return; // allowed |
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} else { |
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if (get_option('is_stream_enabled') == 1) { |
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wp_send_json($response); //Proper JSON with header. |
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} else { |
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echo json_encode($response); |
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wp_die(); |
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} |
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} |
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} |
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} else { |
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$option_name = 'rate_limit_guest'; |
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$limit = get_option($option_name); |
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|
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if (session_status() == PHP_SESSION_NONE) { |
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session_start(); |
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} |
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|
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$guest_rate_limit = isset($_SESSION['guest_rate_limit']) ? intval($_SESSION['guest_rate_limit']) : 0; |
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|
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if ($limit >= $guest_rate_limit || $limit == 0) { |
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return; // allowed |
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} else { |
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if (get_option('is_stream_enabled') == 1) { |
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wp_send_json($response); //Proper JSON with header. |
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} else { |
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echo json_encode($response); |
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// Return role if limit exceeded |
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wp_die(); |
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} |
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} |
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} |
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} |
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|
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public function reset_rate_limit_used_counts($role) |
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{ |
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if (empty($role)) { |
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return; |
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} |
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// Resetting rate limit used counts for role. |
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// loop through each role |
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// for each role get all users with that role |
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$roles = wp_roles()->roles; |
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foreach ($roles as $list_roll => $details) { |
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if ($list_roll != $role) { |
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continue; |
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} else { |
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$option_name = 'rate_limit_' . $role; |
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$limit = get_option($option_name); // Default to if not set |
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$users = get_users(array('role' => $role)); |
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foreach ($users as $user) { |
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update_user_meta($user->ID, 'qcld_openai_user_rate_limit', 0); |
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} |
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} |
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} |
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} |
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public function qcld_openai_user_rate_cal($update) |
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{ |
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if (is_user_logged_in()) { |
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$rate_limit = get_user_meta(get_current_user_id(), 'qcld_openai_user_rate_limit', true); |
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if ($update != '') { |
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$rate_limit = intval($rate_limit) + intval($update); |
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} |
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update_user_meta(get_current_user_id(), 'qcld_openai_user_rate_limit', $rate_limit); |
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return; |
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} else { |
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// for guest users we will use session to store the rate limit |
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// if session is not started then start it |
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if (session_status() == PHP_SESSION_NONE) { |
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session_start(); |
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} |
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// we will use guest_id to identify the guest user |
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if (! isset($_SESSION['guest_id'])) { |
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$user_ip = isset( $_SERVER['REMOTE_ADDR'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ) : ''; |
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$session_id = md5($user_ip . time()); |
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$_SESSION['guest_id'] = $session_id; |
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$_SESSION['guest_id_time'][$session_id] = time(); |
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get_option('rate_', 10); |
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// if guest_id_time is set and it is older than 24 hours then unset the guest_id |
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// we will store the time when the guest_id was created in session |
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$timeframe = get_option('rate_limit_timeframe_guest', true); |
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$timeframe = intval($timeframe) * 3600; // convert hours to seconds |
| 337 |
if (isset($_SESSION['guest_id_time'][$session_id]) && (time() - $_SESSION['guest_id_time'][$session_id]) > $timeframe) { |
| 338 |
unset($_SESSION['guest_id']); |
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unset($_SESSION['guest_id_time']); |
| 340 |
} |
| 341 |
// we will store the time when the guest_id was created in session |
| 342 |
$_SESSION['guest_id_time'][$session_id] = time(); |
| 343 |
$_SESSION['guest_rate_limit'] = 0; |
| 344 |
} |
| 345 |
// update the rate limit |
| 346 |
// if update is not empty then add it to the existing rate limit else set it |
| 347 |
if ($update != '') { |
| 348 |
$guest_rate_limit = isset($_SESSION['guest_rate_limit']) ? intval($_SESSION['guest_rate_limit']) : 0; |
| 349 |
// add the update to the existing rate limit |
| 350 |
// set the rate limit in session |
| 351 |
$_SESSION['guest_rate_limit'] = $guest_rate_limit + $update; |
| 352 |
return; |
| 353 |
} |
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} |
| 355 |
} |
| 356 |
|
| 357 |
} |
| 358 |
|
| 359 |
/** |
| 360 |
* Instantiate the class |
| 361 |
*/ |
| 362 |
Qcld_WPBot_Common_Functions::instance(); |
| 363 |
|
