PluginProbe
MxChat – AI Chatbot & Content Generation for WordPress / 3.2.24
MxChat – AI Chatbot & Content Generation for WordPress v3.2.24
3.2.25 3.2.24 3.2.23 3.2.22 3.2.21 3.2.20 3.2.19 3.2.18 3.2.17 3.2.16 3.2.15 3.2.14 3.2.12 3.2.13 3.2.11 3.2.10 3.2.9 3.2.8 3.2.7 3.2.6 3.2.5 3.2.4 3.2.3 3.2.2 3.2.1 All 156 releases
← All changes | admin/class-ajax-handler.php +469 -14 3.2.11 → 3.2.24 View file →
@@ -27,8 +27,9 @@
27 27 private function mxchat_init_ajax_hooks() {
28 28 // Settings AJAX
29 29 add_action('wp_ajax_mxchat_save_setting', array($this, 'mxchat_save_setting_callback'));
30 30 add_action('wp_ajax_mxchat_save_prompts_setting', array($this, 'mxchat_save_prompts_setting_callback'));
31 + add_action('wp_ajax_mxchat_acf_toggle_group', array($this, 'mxchat_acf_toggle_group_callback'));
31 32 add_action('wp_ajax_migrate_pinecone_settings', array($this, 'ajax_migrate_pinecone_settings'));
32 33
33 34 // License AJAX
34 35 add_action('wp_ajax_mxchat_handle_activate_license', array($this, 'mxchat_handle_activate_license'));
@@ -56,11 +57,116 @@
56 57 add_action('wp_ajax_mxchat_test_custom_provider', array($this, 'mxchat_test_custom_provider_callback'));
57 58
58 59 // Built-in provider key validation — cheap per-provider auth check (plan-mxchat-20260623-c41f74)
59 60 add_action('wp_ajax_mxchat_test_provider_key', array($this, 'mxchat_test_provider_key_callback'));
61 +
62 + // Custom Post Meta discovery scan for the KB whitelist picker (plan-mxchat-20260709-fe8e4e)
63 + add_action('wp_ajax_mxchat_scan_custom_meta_keys', array($this, 'mxchat_scan_custom_meta_keys_callback'));
60 64 }
61 65
62 66 /**
67 + * Discover non-ACF custom post-meta keys present on published public content, so the
68 + * KB → Custom Post Meta section can offer a click-to-add picker instead of a blind
69 + * "type the exact key you already know" textarea. plan-mxchat-20260709-fe8e4e.
70 + *
71 + * Bounded + button-triggered only (never on page load). Returns up to 50 keys by
72 + * frequency, each with a short sample value, so the owner can judge relevance before
73 + * whitelisting. Underscore-prefixed (protected/internal) keys are hidden unless the
74 + * caller opts in; ACF-managed keys are excluded so this picker never double-lists the
75 + * sibling ACF discovery picker on the same page.
76 + */
77 +public function mxchat_scan_custom_meta_keys_callback() {
78 + check_ajax_referer('mxchat_prompts_setting_nonce');
79 +
80 + if (!current_user_can('manage_options')) {
81 + wp_send_json_error(['message' => esc_html__('Unauthorized', 'mxchat')]);
82 + }
83 +
84 + global $wpdb;
85 +
86 + $include_internal = isset($_POST['include_internal']) && $_POST['include_internal'] === '1';
87 +
88 + // Restrict discovery to public post types (the content the KB actually embeds).
89 + $post_types = get_post_types(array('public' => true), 'names');
90 + if (empty($post_types)) {
91 + wp_send_json_success(array('keys' => array(), 'scanned' => 0));
92 + }
93 + $pt_placeholders = implode(',', array_fill(0, count($post_types), '%s'));
94 +
95 + // Build the set of ACF-managed meta keys to exclude. ACF stores, alongside each
96 + // value key `foo`, a reference key `_foo` whose value is the ACF field key
97 + // (`field_xxxxx`). Strip the leading underscore from every such reference key to
98 + // get the real meta key, and exclude those — the ACF picker on this page owns them.
99 + $acf_managed = array();
100 + $acf_refs = $wpdb->get_col(
101 + $wpdb->prepare(
102 + "SELECT DISTINCT meta_key FROM {$wpdb->postmeta} WHERE meta_key LIKE %s AND meta_value LIKE %s",
103 + $wpdb->esc_like('_') . '%',
104 + $wpdb->esc_like('field_') . '%'
105 + )
106 + );
107 + foreach ((array) $acf_refs as $ref_key) {
108 + if (strlen($ref_key) > 1 && $ref_key[0] === '_') {
109 + $acf_managed[substr($ref_key, 1)] = true;
110 + }
111 + }
112 +
113 + // Discover keys + counts + a sample value in one bounded aggregate query.
114 + // SUBSTRING(MIN(...)) keeps the sample selection ONLY_FULL_GROUP_BY-safe.
115 + $params = $post_types;
116 + $sql = "SELECT pm.meta_key AS mk, COUNT(*) AS n, SUBSTRING(MIN(pm.meta_value), 1, 200) AS sample
117 + FROM {$wpdb->postmeta} pm
118 + INNER JOIN {$wpdb->posts} p ON p.ID = pm.post_id
119 + WHERE p.post_status = 'publish'
120 + AND p.post_type IN ($pt_placeholders)
121 + AND pm.meta_key <> ''";
122 + if (!$include_internal) {
123 + $sql .= " AND pm.meta_key NOT LIKE %s";
124 + $params[] = $wpdb->esc_like('_') . '%';
125 + }
126 + $sql .= " GROUP BY pm.meta_key ORDER BY n DESC, pm.meta_key ASC LIMIT 200";
127 +
128 + // phpcs:ignore WordPress.DB.PreparedSQL — placeholders assembled above, values in $params.
129 + $rows = $wpdb->get_results($wpdb->prepare($sql, $params));
130 +
131 + $keys = array();
132 + foreach ((array) $rows as $row) {
133 + $mk = $row->mk;
134 + if (isset($acf_managed[$mk])) {
135 + continue; // already offered by the ACF picker
136 + }
137 +
138 + $raw = (string) $row->sample;
139 + if ($raw !== '' && (is_serialized($raw) || preg_match('/^(a:\d+:\{|O:\d+:"|s:\d+:")/', $raw))) {
140 + $sample = esc_html__('[structured value]', 'mxchat');
141 + } else {
142 + $sample = trim(preg_replace('/\s+/', ' ', $raw));
143 + if (function_exists('mb_strlen') ? mb_strlen($sample) > 60 : strlen($sample) > 60) {
144 + $sample = (function_exists('mb_substr') ? mb_substr($sample, 0, 60) : substr($sample, 0, 60)) . '…';
145 + }
146 + if ($sample === '') {
147 + $sample = esc_html__('(empty value)', 'mxchat');
148 + }
149 + }
150 +
151 + $keys[] = array(
152 + 'key' => $mk,
153 + 'count' => (int) $row->n,
154 + 'sample' => $sample,
155 + );
156 +
157 + if (count($keys) >= 50) {
158 + break;
159 + }
160 + }
161 +
162 + wp_send_json_success(array(
163 + 'keys' => $keys,
164 + 'scanned' => is_array($rows) ? count($rows) : 0,
165 + ));
166 +}
167 +
168 +/**
63 169 * Test connection to a Custom (OpenAI-compatible) provider by hitting its /models endpoint
64 170 * with whichever auth scheme the user configured. Reports model count or a clean error.
65 171 */
66 172 public function mxchat_test_custom_provider_callback() {
@@ -281,8 +387,113 @@
281 387 }
282 388
283 389 // Handle special cases
284 390 switch ($field_name) {
391 + // Editor Assistant enable toggle (plan-8cb0cb). STANDALONE option — NOT part
392 + // of mxchat_options, so it skips the mxchat_sanitize strip-trap entirely. Save
393 + // it directly and short-circuit (mirrors the mxchat_transcripts_options pattern
394 + // below); never falls through to the generic mxchat_options save. Default OFF.
395 + case 'mxchat_editor_assistant_enabled':
396 + $ea_value = ($value === 'on' || $value === '1') ? 'on' : 'off';
397 + update_option('mxchat_editor_assistant_enabled', $ea_value);
398 + wp_send_json_success(['message' => esc_html__('Setting saved', 'mxchat')]);
399 + return;
400 +
401 + // Smart asset loading toggle (plan-915355). STANDALONE option, same
402 + // reasoning as the Editor Assistant case above — saved directly and
403 + // short-circuited so it never touches mxchat_options / mxchat_sanitize.
404 + // Default OFF (opt-in performance optimization).
405 + case 'mxchat_smart_asset_loading':
406 + $sal_value = ($value === 'on' || $value === '1') ? 'on' : 'off';
407 + update_option('mxchat_smart_asset_loading', $sal_value);
408 + wp_send_json_success(['message' => esc_html__('Setting saved', 'mxchat')]);
409 + return;
410 +
411 + // Hybrid keyword boost toggle (plan-38ffa1). STANDALONE option, same
412 + // pattern. Enabling runs capability detection HERE, at admin-save time —
413 + // building the FULLTEXT index during a visitor's chat request is not
414 + // acceptable, and detection is a one-time cost the admin can wait on.
415 + case 'mxchat_hybrid_keyword_toggle':
416 + $hkb_value = ($value === 'on' || $value === '1') ? 'on' : 'off';
417 + update_option('mxchat_hybrid_keyword_toggle', $hkb_value);
418 + if ($hkb_value === 'on') {
419 + MxChat_Utils::mxchat_hybrid_detect_capability(true);
420 + }
421 + wp_send_json_success(['message' => esc_html__('Setting saved', 'mxchat')]);
422 + return;
423 +
424 + // ACF→PDF import-time extraction (plan 11720c). STANDALONE option, same
425 + // pattern. Moved from a per-import modal checkbox to an install-level
426 + // setting on Knowledge → ACF Fields. Stored '1'/'0' to match the
427 + // knowledge page's sibling toggles. Default OFF.
428 + case 'mxchat_acf_pdf_extraction':
429 + $apx_value = ($value === 'on' || $value === '1') ? '1' : '0';
430 + update_option('mxchat_acf_pdf_extraction', $apx_value);
431 + wp_send_json_success(['message' => esc_html__('Setting saved', 'mxchat')]);
432 + return;
433 +
434 + // In-chat YouTube card: master switch + its own confidence floor
435 + // (plan f52492). STANDALONE options, same pattern as the cases above.
436 + // Default ON — the card already ships, so this is an opt-OUT.
437 + case 'mxchat_video_embed_enabled':
438 + $vce_value = ($value === 'on' || $value === '1') ? 'on' : 'off';
439 + update_option('mxchat_video_embed_enabled', $vce_value);
440 + wp_send_json_success(['message' => esc_html__('Setting saved', 'mxchat')]);
441 + return;
442 +
443 + // Clamped to the same 20-95 the field advertises. An out-of-range or
444 + // non-numeric POST is corrected rather than refused, and the corrected
445 + // value is echoed back so the field can reconcile — a silently stored
446 + // 0 here would put a video on every answer, which is the bug.
447 + case 'mxchat_video_embed_threshold':
448 + $vct_value = is_numeric($value)
449 + ? (int) $value
450 + : MXCHAT_VIDEO_EMBED_THRESHOLD_DEFAULT;
451 + if ($vct_value < 20) { $vct_value = 20; }
452 + if ($vct_value > 95) { $vct_value = 95; }
453 + update_option('mxchat_video_embed_threshold', $vct_value);
454 + wp_send_json_success([
455 + 'message' => esc_html__('Setting saved', 'mxchat'),
456 + 'value' => $vct_value,
457 + ]);
458 + return;
459 +
460 + // Live-agent availability schedules (plans 8ccaa2 + 99d7a4). STANDALONE
461 + // options, same reasoning as the Editor Assistant case above — nested
462 + // structures that mxchat_sanitize() would strip on the next autosave of any
463 + // other field. Each channel's value arrives as JSON from its own hidden
464 + // input, which that channel's schedule editor keeps in sync; the class owns
465 + // all validation. The bare legacy name is kept as a defense against a
466 + // browser still running pre-split cached admin JS: that UI edited "both
467 + // channels" as one, so its save writes both.
468 + case 'live_agent_schedule_slack':
469 + case 'live_agent_schedule_telegram':
470 + case 'live_agent_schedule_webhook':
471 + case 'live_agent_schedule':
472 + if (!class_exists('MxChat_Live_Agent_Schedule')) {
473 + wp_send_json_error(['message' => esc_html__('Schedule unavailable', 'mxchat')]);
474 + return;
475 + }
476 + $decoded = json_decode($value, true);
477 + if (!is_array($decoded)) {
478 + wp_send_json_error(['message' => esc_html__('Invalid schedule', 'mxchat')]);
479 + return;
480 + }
481 + $channels = ($field_name === 'live_agent_schedule')
482 + ? array('slack', 'telegram')
483 + : array(substr($field_name, strlen('live_agent_schedule_')));
484 + $saved_schedule = null;
485 + foreach ($channels as $schedule_channel) {
486 + $saved_schedule = MxChat_Live_Agent_Schedule::save($schedule_channel, $decoded);
487 + }
488 + // Echo the normalized result so the editor can reconcile if it ever
489 + // disagrees with the server (e.g. a time the class rejected).
490 + wp_send_json_success([
491 + 'message' => esc_html__('Setting saved', 'mxchat'),
492 + 'schedule' => $saved_schedule,
493 + ]);
494 + return;
495 +
285 496 case 'model':
286 497 //error_log('MXChat Save: Processing model selection');
287 498 //error_log('MXChat Save: Model value received: ' . $value);
288 499 //error_log('MXChat Save: Value type: ' . gettype($value));
@@ -369,8 +580,13 @@
369 580 case 'name_field_placeholder':
370 581 //error_log('MXChat Save: Processing name_field_placeholder');
371 582 $options[$field_name] = sanitize_text_field($value);
372 583 break;
584 + case 'consent_checkbox_label':
585 + // b062c4 — same allowlist as the options.php save path and the
586 + // widget render, so the stored label always equals the shown label.
587 + $options[$field_name] = MxChat_Utils::sanitize_consent_label($value);
588 + break;
373 589 case 'similarity_threshold':
374 590 //error_log('MXChat Save: Processing similarity_threshold');
375 591 // Validate and save - enforce min 20, max 85
376 592 $threshold = intval($value);
@@ -397,8 +613,49 @@
397 613 //error_log('MXChat Save: Processing live_agent_status');
398 614 // Set the new value
399 615 $options[$field_name] = ($value === 'on') ? 'on' : 'off';
400 616 break;
617 + // Shared handoff channel (plan 1a2666): re-probe the channel's privacy
618 + // at configuration time so the settings screen can warn about private
619 + // channels (their inbound events arrive as message.groups, which the
620 + // documented app setup never subscribes to). Only id-shaped values can
621 + // be checked before the first handoff resolves a #name — the handoff
622 + // path probes those when it caches the resolved id.
623 + case 'live_agent_shared_channel':
624 + $options[$field_name] = sanitize_text_field($value);
625 + delete_option('mxchat_slack_shared_channel_privacy');
626 + $shared_channel_target = ltrim(trim((string) $options[$field_name]), '#');
627 + if ($shared_channel_target !== '' && preg_match('/^[CG][A-Z0-9]{6,}$/', $shared_channel_target)) {
628 + if (!class_exists('MxChat_Integrator')) {
629 + require_once plugin_dir_path(dirname(__FILE__)) . 'includes/class-mxchat-integrator.php';
630 + }
631 + MxChat_Integrator::mxchat_probe_slack_channel_privacy(
632 + $options['live_agent_bot_token'] ?? '',
633 + $shared_channel_target,
634 + trim((string) $options[$field_name])
635 + );
636 + }
637 + break;
638 + // Webhook handoff destination (plan d88e22). Status normalized like the
639 + // other channel toggles; the URL is refused outright when it isn't
640 + // https so the admin hears about it at save time instead of the
641 + // handoff silently never firing.
642 + case 'webhook_handoff_status':
643 + $options[$field_name] = ($value === 'on') ? 'on' : 'off';
644 + break;
645 + case 'webhook_handoff_url':
646 + $wh_url = trim((string) $value);
647 + if ($wh_url === '') {
648 + $options[$field_name] = '';
649 + break;
650 + }
651 + $wh_clean = esc_url_raw($wh_url, array('https'));
652 + if ($wh_clean === '' || stripos($wh_clean, 'https://') !== 0) {
653 + wp_send_json_error(['message' => esc_html__('Webhook URL must start with https://', 'mxchat')]);
654 + return;
655 + }
656 + $options[$field_name] = $wh_clean;
657 + break;
401 658 case 'enable_web_search':
402 659 //error_log('MXChat Save: Processing enable_web_search');
403 660 $options[$field_name] = ($value === 'on') ? 'on' : 'off';
404 661 break;
@@ -446,9 +703,16 @@
446 703 $transcripts_options = array();
447 704 }
448 705
449 706 // Handle checkbox values (convert 'on'/'off' to 1/0)
450 - if ($value === 'on' || $value === '1') {
707 + if ($field_name === 'mxchat_retention_days') {
708 + // Number field, NOT a checkbox — without this branch a
709 + // value of '1' would hit the 'on'/'1' coercion below
710 + // (harmlessly) but nothing would clamp: this direct-DB
711 + // path bypasses the registered sanitiser and its
712 + // 0-3650 clamp entirely (plan-3c3338).
713 + $transcripts_options[$field_name] = max(0, min(3650, (int) $value));
714 + } else if ($value === 'on' || $value === '1') {
451 715 $transcripts_options[$field_name] = 1;
452 716 } else if ($value === 'off' || $value === '0' || $value === '') {
453 717 $transcripts_options[$field_name] = 0;
454 718 } else {
@@ -453,9 +717,20 @@
453 717 $transcripts_options[$field_name] = 0;
454 718 } else {
455 719 // For text/select fields, sanitize appropriately
456 720 if ($field_name === 'mxchat_notification_email') {
457 - $transcripts_options[$field_name] = sanitize_email($value);
721 + // sanitize_email() alone CANNOT validate this field: given
722 + // "[email protected], [email protected]" it returns the single concatenated
723 + // address "[email protected]", which is_email() then accepts.
724 + // That is how two addresses used to be stored as one dead
725 + // one, silently. MxChat_Utils validates the raw parts first
726 + // and refuses the whole list if any of them is bad.
727 + $parsed = MxChat_Utils::parse_notification_emails($value);
728 + if ($parsed['error'] !== '') {
729 + // Reject: the previously stored value stays untouched.
730 + wp_send_json_error(array('message' => $parsed['error']));
731 + }
732 + $transcripts_options[$field_name] = implode(', ', $parsed['emails']);
458 733 } else {
459 734 $transcripts_options[$field_name] = sanitize_text_field($value);
460 735 }
461 736 }
@@ -632,8 +907,10 @@
632 907 'contextual_awareness_toggle',
633 908 'citation_links_toggle',
634 909 'enable_email_block',
635 910 'enable_name_field',
911 + 'enable_consent_checkbox',
912 + 'consent_checkbox_required',
636 913 'custom_provider_for_embeddings',
637 914 'custom_provider_for_images',
638 915 'print_button_enabled',
639 916 'reset_chat_enabled'
@@ -780,8 +1057,42 @@
780 1057 if ($field_name === 'mxchat_pinecone_host') {
781 1058 $new_value = str_replace(['https://', 'http://'], '', $new_value);
782 1059 }
783 1060 break;
1061 + case 'mxchat_pinecone_index_type':
1062 + // 362c31: document only once the host has been checked (see sanitize_pinecone_settings).
1063 + $new_value = ($value === 'document') ? 'document' : 'vector';
1064 + if ($new_value === 'document' && strtolower(trim((string) ($current_options['mxchat_pinecone_host'] ?? ''), '/')) !== strtolower((string) ($current_options['mxchat_pinecone_docs_verified_host'] ?? ''))) {
1065 + wp_send_json_error(['message' => esc_html__('Check the document index host first (Check index or Create index for me).', 'mxchat')]);
1066 + }
1067 + // 3e83e4: same gate as the form save — no switch onto a half-copied index.
1068 + if ($new_value === 'document' && (($current_options['mxchat_pinecone_index_type'] ?? 'vector') !== 'document') && class_exists('MxChat_Pinecone_Documents')) {
1069 + $running = MxChat_Pinecone_Documents::migration_blocks_switch((string) ($current_options['mxchat_pinecone_host'] ?? ''));
1070 + if ($running !== null) {
1071 + wp_send_json_error(['message' => MxChat_Pinecone_Documents::switch_blocked_message($running)]);
1072 + }
1073 + }
1074 + break;
1075 + case 'mxchat_pinecone_vector_host':
1076 + $new_value = trim(str_replace(['https://', 'http://'], '', sanitize_text_field($value)), '/');
1077 + break;
1078 + case 'mxchat_pinecone_vector_index':
1079 + case 'mxchat_pinecone_docs_region':
1080 + $new_value = sanitize_text_field($value);
1081 + break;
1082 + case 'mxchat_pinecone_docs_cloud':
1083 + $new_value = in_array($value, array('aws', 'gcp', 'azure'), true) ? $value : 'aws';
1084 + break;
1085 + case 'mxchat_pinecone_docs_language':
1086 + $lang_value = sanitize_key($value);
1087 + $new_value = (class_exists('MxChat_Pinecone_Documents') && array_key_exists($lang_value, MxChat_Pinecone_Documents::languages())) ? $lang_value : 'en';
1088 + break;
1089 + case 'mxchat_pinecone_top_k':
1090 + // d0cae1: out-of-range and junk normalize to the default 50 —
1091 + // same clamp the read site applies.
1092 + $top_k = absint($value);
1093 + $new_value = (string) (($top_k >= 1 && $top_k <= 1000) ? $top_k : 50);
1094 + break;
784 1095 default:
785 1096 wp_send_json_error(['message' => esc_html__('Unknown Pinecone field', 'mxchat')]);
786 1097 }
787 1098
@@ -811,14 +1122,16 @@
811 1122 );
812 1123 //error_log('[MXCHAT-PROMPTS] Updated existing option, result: ' . ($save_result !== false ? 'SUCCESS' : 'FAILED'));
813 1124 } else {
814 1125 // Insert new option
1126 + // Credential option — must NOT autoload (holds the Pinecone secret;
1127 + // autoloaded rows are read into memory on every request).
815 1128 $save_result = $wpdb->insert(
816 1129 $wpdb->options,
817 1130 array(
818 1131 'option_name' => 'mxchat_pinecone_addon_options',
819 1132 'option_value' => $serialized_options,
820 - 'autoload' => 'yes'
1133 + 'autoload' => 'off'
821 1134 ),
822 1135 array('%s', '%s', '%s')
823 1136 );
824 1137 //error_log('[MXCHAT-PROMPTS] Inserted new option, result: ' . ($save_result !== false ? 'SUCCESS' : 'FAILED'));
@@ -936,10 +1249,18 @@
936 1249 }
937 1250
938 1251 // Handle ACF field exclusion toggles
939 1252 if (strpos($name, 'mxchat_acf_field_') === 0) {
940 - // Extract field name from the input name (e.g., mxchat_acf_field_private_notes -> private_notes)
941 - $field_name = str_replace('mxchat_acf_field_', '', $name);
1253 + // The identifier after the prefix is the ACF field KEY (unique per
1254 + // field), not the field name — names are shared across groups and
1255 + // collide (plan 30e81f). Reject anything that isn't key-shaped so a
1256 + // stale pre-3.2.20 page (or its exit beacon) posting a bare name
1257 + // can't write junk into the key-based list.
1258 + $field_key = str_replace('mxchat_acf_field_', '', $name);
1259 + if (!preg_match('/^field_[A-Za-z0-9_\-]+$/', $field_key)) {
1260 + wp_send_json_error(['message' => esc_html__('Invalid ACF field identifier', 'mxchat')]);
1261 + return;
1262 + }
942 1263 $is_enabled = ($value === 'on' || $value === '1');
943 1264
944 1265 // Get current excluded fields
945 1266 $excluded_fields = get_option('mxchat_acf_excluded_fields', array());
@@ -948,13 +1269,19 @@
948 1269 }
949 1270
950 1271 if ($is_enabled) {
951 1272 // Remove from exclusion list (field should be included)
952 - $excluded_fields = array_values(array_diff($excluded_fields, array($field_name)));
1273 + $excluded_fields = array_values(array_diff($excluded_fields, array($field_key)));
1274 + // Lazy legacy-name conversion: if this field's NAME is still
1275 + // stored (its group was inactive when the 30e81f migration
1276 + // ran), including this one field must not silently include
1277 + // its same-named twins — swap the name entry for the keys of
1278 + // every OTHER field currently wearing that name.
1279 + $excluded_fields = $this->mxchat_expand_legacy_acf_name_entry($excluded_fields, $field_key);
953 1280 } else {
954 1281 // Add to exclusion list (field should be excluded)
955 - if (!in_array($field_name, $excluded_fields)) {
956 - $excluded_fields[] = $field_name;
1282 + if (!in_array($field_key, $excluded_fields, true)) {
1283 + $excluded_fields[] = $field_key;
957 1284 }
958 1285 }
959 1286
960 1287 $updated = update_option('mxchat_acf_excluded_fields', $excluded_fields);
@@ -961,10 +1288,10 @@
961 1288
962 1289 if ($updated || true) { // Always report success since the state may already be correct
963 1290 wp_send_json_success([
964 1291 'message' => $is_enabled
965 - ? sprintf(esc_html__('Field "%s" will be included in imports', 'mxchat'), $field_name)
966 - : sprintf(esc_html__('Field "%s" will be excluded from imports', 'mxchat'), $field_name)
1292 + ? esc_html__('Field will be included in imports', 'mxchat')
1293 + : esc_html__('Field will be excluded from imports', 'mxchat')
967 1294 ]);
968 1295 } else {
969 1296 wp_send_json_error(['message' => esc_html__('Failed to save ACF field setting', 'mxchat')]);
970 1297 }
@@ -984,12 +1311,12 @@
984 1311 }
985 1312 return;
986 1313 }
987 1314
988 - // Handle other prompts options
1315 + // Handle other prompts options (autoload false — can hold the Pinecone secret)
989 1316 $options = get_option('mxchat_prompts_options', []);
990 1317 $options[$name] = $value;
991 - $updated = update_option('mxchat_prompts_options', $options);
1318 + $updated = update_option('mxchat_prompts_options', $options, false);
992 1319
993 1320 if ($updated) {
994 1321 wp_send_json_success(['message' => esc_html__('Setting saved', 'mxchat')]);
995 1322 } else {
@@ -996,10 +1323,130 @@
996 1323 wp_send_json_error(['message' => esc_html__('No changes detected', 'mxchat')]);
997 1324 }
998 1325 }
999 1326
1327 + /**
1328 + * If the field behind $included_key still has its NAME stored in the
1329 + * exclusion list (a legacy entry the 30e81f migration could not resolve
1330 + * because the group was inactive), replace that name with the keys of
1331 + * every OTHER current field wearing it. Including one field must never
1332 + * silently include its same-named twins — that would be the original
1333 + * collision bug in reverse, in the unsafe (privacy-losing) direction.
1334 + */
1335 + private function mxchat_expand_legacy_acf_name_entry($excluded_fields, $included_key) {
1336 + if (!function_exists('acf_get_field')) {
1337 + return $excluded_fields;
1338 + }
1339 + $field = acf_get_field($included_key);
1340 + if (!$field || empty($field['name'])) {
1341 + return $excluded_fields;
1342 + }
1343 + $field_name = $field['name'];
1344 + if (!in_array($field_name, $excluded_fields, true)) {
1345 + return $excluded_fields;
1346 + }
1347 + $excluded_fields = array_values(array_diff($excluded_fields, array($field_name)));
1348 + foreach ($this->mxchat_acf_keys_for_name($field_name) as $twin_key) {
1349 + if ($twin_key !== $included_key && !in_array($twin_key, $excluded_fields, true)) {
1350 + $excluded_fields[] = $twin_key;
1351 + }
1352 + }
1353 + return $excluded_fields;
1354 + }
1000 1355
1001 1356 /**
1357 + * Keys of every currently-registered top-level ACF field with this name.
1358 + */
1359 + private function mxchat_acf_keys_for_name($field_name) {
1360 + $keys = array();
1361 + if (!function_exists('acf_get_field_groups') || !function_exists('acf_get_fields')) {
1362 + return $keys;
1363 + }
1364 + foreach (acf_get_field_groups() as $group) {
1365 + $group_fields = acf_get_fields($group['key']);
1366 + if (empty($group_fields)) {
1367 + continue;
1368 + }
1369 + foreach ($group_fields as $field) {
1370 + if (isset($field['name'], $field['key']) && $field['name'] === $field_name) {
1371 + $keys[] = $field['key'];
1372 + }
1373 + }
1374 + }
1375 + return $keys;
1376 + }
1377 +
1378 + /**
1379 + * Group-level ACF toggle (plan bf57e0): sets every field in one ACF field
1380 + * group included or excluded in a SINGLE option write. The client must
1381 + * never loop the per-field endpoint for this — get_option → modify →
1382 + * update_option once per field from twenty concurrent requests is a
1383 + * lost-update race that silently drops most of the group.
1384 + */
1385 + public function mxchat_acf_toggle_group_callback() {
1386 + check_ajax_referer('mxchat_prompts_setting_nonce');
1387 +
1388 + if (!current_user_can('manage_options')) {
1389 + wp_send_json_error(['message' => esc_html__('Insufficient permissions', 'mxchat')], 403);
1390 + return;
1391 + }
1392 +
1393 + if (!function_exists('acf_get_fields')) {
1394 + wp_send_json_error(['message' => esc_html__('ACF is not active', 'mxchat')]);
1395 + return;
1396 + }
1397 +
1398 + $group_key = isset($_POST['group_key']) ? sanitize_text_field(wp_unslash($_POST['group_key'])) : '';
1399 + if (!preg_match('/^group_[A-Za-z0-9_\-]+$/', $group_key)) {
1400 + wp_send_json_error(['message' => esc_html__('Invalid ACF group identifier', 'mxchat')]);
1401 + return;
1402 + }
1403 + $state = isset($_POST['state']) ? sanitize_text_field(wp_unslash($_POST['state'])) : '';
1404 + $include = ($state === 'on' || $state === '1');
1405 +
1406 + // Resolve the group's fields SERVER-side — a client-supplied key list
1407 + // is not trusted. This is the same call the settings UI lists from,
1408 + // so the toggle covers exactly the rendered set (top-level fields).
1409 + $group_fields = acf_get_fields($group_key);
1410 + if (empty($group_fields)) {
1411 + wp_send_json_error(['message' => esc_html__('No fields found for this group', 'mxchat')]);
1412 + return;
1413 + }
1414 +
1415 + $excluded_fields = get_option('mxchat_acf_excluded_fields', array());
1416 + if (!is_array($excluded_fields)) {
1417 + $excluded_fields = array();
1418 + }
1419 +
1420 + $touched = array();
1421 + foreach ($group_fields as $field) {
1422 + if (empty($field['key'])) {
1423 + continue;
1424 + }
1425 + if ($include) {
1426 + $excluded_fields = array_values(array_diff($excluded_fields, array($field['key'])));
1427 + $excluded_fields = $this->mxchat_expand_legacy_acf_name_entry($excluded_fields, $field['key']);
1428 + } elseif (!in_array($field['key'], $excluded_fields, true)) {
1429 + $excluded_fields[] = $field['key'];
1430 + }
1431 + $touched[] = array(
1432 + 'name' => 'mxchat_acf_field_' . $field['key'],
1433 + 'value' => $include ? 'on' : 'off',
1434 + );
1435 + }
1436 +
1437 + // The one write — the whole point of this endpoint.
1438 + update_option('mxchat_acf_excluded_fields', array_values($excluded_fields));
1439 +
1440 + wp_send_json_success([
1441 + 'message' => $include
1442 + ? esc_html__('All fields in this group will be included in imports', 'mxchat')
1443 + : esc_html__('All fields in this group will be excluded from imports', 'mxchat'),
1444 + 'fields' => $touched,
1445 + ]);
1446 + }
1447 +
1448 + /**
1002 1449 * Handles AJAX request for Pinecone settings migration
1003 1450 */
1004 1451 public function ajax_migrate_pinecone_settings() {
1005 1452 // Verify nonce
@@ -1035,9 +1482,9 @@
1035 1482 'mxchat_pinecone_index' => sanitize_text_field($old_options['mxchat_pinecone_index'] ?? ''),
1036 1483 'mxchat_pinecone_environment' => sanitize_text_field($old_options['mxchat_pinecone_environment'] ?? '')
1037 1484 );
1038 1485
1039 - update_option('mxchat_pinecone_addon_options', $migrated_options);
1486 + update_option('mxchat_pinecone_addon_options', $migrated_options, false);
1040 1487
1041 1488 wp_send_json_success(array(
1042 1489 'migrated' => true,
1043 1490 'message' => 'Settings migrated successfully from Pinecone add-on'
@@ -1196,9 +1643,17 @@
1196 1643 //error_log('MxChat deactivate: Nonce check failed');
1197 1644 wp_send_json_error('Security check failed.');
1198 1645 return;
1199 1646 }
1200 -
1647 +
1648 + // plan-mxchat-20260731-c63fb6 — nonce is not authorization. Without this,
1649 + // any authenticated user holding the nonce could revoke the site's PRO
1650 + // licence. Every sibling handler in this file already checks.
1651 + if (!current_user_can('manage_options')) {
1652 + wp_send_json_error(esc_html__('Unauthorized', 'mxchat'), 403);
1653 + return;
1654 + }
1655 +
1201 1656 //error_log('MxChat deactivate: Nonce check passed');
1202 1657
1203 1658 $license_key = get_option('mxchat_activation_key');
1204 1659 $email = get_option('mxchat_pro_email');