PluginProbe
MxChat – AI Chatbot & Content Generation for WordPress / 2.4.8
MxChat – AI Chatbot & Content Generation for WordPress v2.4.8
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 2.0.3 2.0.4 2.0.5 2.0.6 All 152 releases
← All changes | admin/class-ajax-handler.php +59 -1196 3.2.202.4.8 View file →
@@ -27,9 +27,8 @@
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($this, 'mxchat_acf_toggle_group_callback'));
32 31 add_action('wp_ajax_migrate_pinecone_settings', array($this, 'ajax_migrate_pinecone_settings'));
33 32
34 33 // License AJAX
35 34 add_action('wp_ajax_mxchat_handle_activate_license', array($this, 'mxchat_handle_activate_license'));
@@ -38,318 +37,12 @@
38 37
39 38 // Actions & Intents AJAX
40 39 add_action('wp_ajax_mxchat_toggle_action', array($this, 'mxchat_toggle_action'));
41 40 add_action('wp_ajax_mxchat_update_intent_threshold', array($this, 'mxchat_update_intent_threshold'));
42 -
41 +
43 42 add_action('wp_ajax_mxchat_save_selected_bot', array($this, 'mxchat_save_selected_bot'));
44 - add_action('wp_ajax_mxchat_check_api_keys', array($this, 'mxchat_check_api_keys'));
45 -
46 - // Debug & Optimization AJAX
47 - add_action('wp_ajax_mxchat_toggle_debug_mode', array($this, 'mxchat_toggle_debug_mode_callback'));
48 - add_action('wp_ajax_mxchat_get_debug_log', array($this, 'mxchat_get_debug_log_callback'));
49 - add_action('wp_ajax_mxchat_clear_debug_log', array($this, 'mxchat_clear_debug_log_callback'));
50 - add_action('wp_ajax_mxchat_export_settings', array($this, 'mxchat_export_settings_callback'));
51 - add_action('wp_ajax_mxchat_reset_all_settings', array($this, 'mxchat_reset_all_settings_callback'));
52 -
53 - // Global rate-limit usage counter reset (admin-only, nonce-guarded)
54 - add_action('wp_ajax_mxchat_reset_global_rate_limit', array($this, 'mxchat_reset_global_rate_limit_callback'));
55 -
56 - // Custom (OpenAI-compatible) Provider connection test
57 - add_action('wp_ajax_mxchat_test_custom_provider', array($this, 'mxchat_test_custom_provider_callback'));
58 -
59 - // Built-in provider key validation — cheap per-provider auth check (plan-mxchat-20260623-c41f74)
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'));
64 43 }
65 44
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 -/**
169 - * Test connection to a Custom (OpenAI-compatible) provider by hitting its /models endpoint
170 - * with whichever auth scheme the user configured. Reports model count or a clean error.
171 - */
172 -public function mxchat_test_custom_provider_callback() {
173 - check_ajax_referer('mxchat_test_custom_provider');
174 - if (!current_user_can('manage_options')) {
175 - wp_send_json_error(array('message' => esc_html__('Unauthorized', 'mxchat')));
176 - }
177 -
178 - $options = get_option('mxchat_options', array());
179 - $base_url = isset($options['custom_provider_base_url']) ? trim((string) $options['custom_provider_base_url']) : '';
180 - $api_key = isset($options['custom_provider_api_key']) ? trim((string) $options['custom_provider_api_key']) : '';
181 - $auth = isset($options['custom_provider_auth_scheme']) ? $options['custom_provider_auth_scheme'] : 'bearer';
182 - $api_version = isset($options['custom_provider_api_version']) ? trim((string) $options['custom_provider_api_version']) : '';
183 -
184 - if (empty($base_url)) {
185 - wp_send_json_error(array('message' => esc_html__('Base URL is empty. Save it first.', 'mxchat')));
186 - }
187 -
188 - $url = rtrim($base_url, '/') . '/models';
189 - if (!empty($api_version)) {
190 - $url = add_query_arg('api-version', $api_version, $url);
191 - }
192 -
193 - $headers = array('Content-Type' => 'application/json');
194 - if (!empty($api_key)) {
195 - if ($auth === 'api-key') {
196 - $headers['api-key'] = $api_key;
197 - } else {
198 - $headers['Authorization'] = 'Bearer ' . $api_key;
199 - }
200 - }
201 -
202 - $response = wp_remote_get($url, array(
203 - 'headers' => $headers,
204 - 'timeout' => 10,
205 - ));
206 -
207 - if (is_wp_error($response)) {
208 - wp_send_json_error(array('message' => sprintf(esc_html__('Network error: %s', 'mxchat'), esc_html($response->get_error_message()))));
209 - }
210 -
211 - $code = (int) wp_remote_retrieve_response_code($response);
212 - if ($code === 401 || $code === 403) {
213 - wp_send_json_error(array('message' => sprintf(esc_html__('Auth rejected (HTTP %d). Check API key and auth scheme.', 'mxchat'), $code)));
214 - }
215 - if ($code === 404) {
216 - wp_send_json_error(array('message' => esc_html__('Endpoint not found (HTTP 404). Check the Base URL.', 'mxchat')));
217 - }
218 - if ($code < 200 || $code >= 300) {
219 - wp_send_json_error(array('message' => sprintf(esc_html__('Upstream returned HTTP %d.', 'mxchat'), $code)));
220 - }
221 -
222 - $body = json_decode(wp_remote_retrieve_body($response), true);
223 - $count = 0;
224 - if (is_array($body)) {
225 - if (isset($body['data']) && is_array($body['data'])) {
226 - $count = count($body['data']);
227 - } elseif (isset($body['models']) && is_array($body['models'])) {
228 - $count = count($body['models']);
229 - }
230 - }
231 -
232 - wp_send_json_success(array(
233 - 'message' => sprintf(esc_html__('Connection OK — %d model(s) reported.', 'mxchat'), $count),
234 - 'count' => $count,
235 - ));
236 -}
237 -
238 -/**
239 - * Validate a BUILT-IN provider key with the lightest authenticated call per
240 - * provider (a /models or key-info GET — never a generation). Reads the posted
241 - * key value so the owner can test BEFORE saving; falls back to the saved option
242 - * when the field is empty. Mirrors mxchat_test_custom_provider_callback and the
243 - * add-on test buttons (cf5bd5 veo / 8d16f1 perplexity). The key is never logged.
244 - * plan-mxchat-20260623-c41f74.
245 - */
246 -public function mxchat_test_provider_key_callback() {
247 - check_ajax_referer('mxchat_test_provider_key');
248 - if (!current_user_can('manage_options')) {
249 - wp_send_json_error(array('message' => esc_html__('Unauthorized', 'mxchat')));
250 - }
251 -
252 - $provider = isset($_POST['provider']) ? sanitize_key(wp_unslash($_POST['provider'])) : '';
253 - $posted_key = isset($_POST['key']) ? trim((string) wp_unslash($_POST['key'])) : '';
254 -
255 - $option_map = array(
256 - 'openai' => 'api_key',
257 - 'xai' => 'xai_api_key',
258 - 'claude' => 'claude_api_key',
259 - 'deepseek' => 'deepseek_api_key',
260 - 'gemini' => 'gemini_api_key',
261 - 'openrouter' => 'openrouter_api_key',
262 - );
263 - if (!isset($option_map[$provider])) {
264 - wp_send_json_error(array('message' => esc_html__('Unknown provider.', 'mxchat')));
265 - }
266 -
267 - // Prefer the just-typed value (test-before-save); fall back to the saved key.
268 - $key = $posted_key;
269 - if ($key === '') {
270 - $options = get_option('mxchat_options', array());
271 - $key = isset($options[$option_map[$provider]]) ? trim((string) $options[$option_map[$provider]]) : '';
272 - }
273 - if ($key === '') {
274 - wp_send_json_error(array('message' => esc_html__('No API key entered or saved for this provider.', 'mxchat')));
275 - }
276 -
277 - // Lightest authenticated metadata call per provider — model-agnostic, no generation.
278 - $headers = array();
279 - switch ($provider) {
280 - case 'openai':
281 - $url = 'https://api.openai.com/v1/models';
282 - $headers = array('Authorization' => 'Bearer ' . $key);
283 - break;
284 - case 'xai':
285 - $url = 'https://api.x.ai/v1/models';
286 - $headers = array('Authorization' => 'Bearer ' . $key);
287 - break;
288 - case 'deepseek':
289 - $url = 'https://api.deepseek.com/models';
290 - $headers = array('Authorization' => 'Bearer ' . $key);
291 - break;
292 - case 'openrouter':
293 - // /auth/key validates the key itself (the public /models list does not).
294 - $url = 'https://openrouter.ai/api/v1/auth/key';
295 - $headers = array('Authorization' => 'Bearer ' . $key);
296 - break;
297 - case 'gemini':
298 - $url = add_query_arg(array('pageSize' => 1, 'key' => $key), 'https://generativelanguage.googleapis.com/v1beta/models');
299 - break;
300 - case 'claude':
301 - $url = 'https://api.anthropic.com/v1/models';
302 - $headers = array('x-api-key' => $key, 'anthropic-version' => '2023-06-01');
303 - break;
304 - default:
305 - wp_send_json_error(array('message' => esc_html__('Unknown provider.', 'mxchat')));
306 - }
307 -
308 - $response = wp_remote_get($url, array(
309 - 'headers' => $headers,
310 - 'timeout' => 10,
311 - ));
312 -
313 - if (is_wp_error($response)) {
314 - wp_send_json_error(array('message' => sprintf(esc_html__('Network error: %s', 'mxchat'), esc_html($response->get_error_message()))));
315 - }
316 -
317 - $code = (int) wp_remote_retrieve_response_code($response);
318 - if ($code >= 200 && $code < 300) {
319 - wp_send_json_success(array('message' => esc_html__('Key is valid.', 'mxchat')));
320 - }
321 -
322 - // Surface the provider's own error text when present (trimmed; key never echoed).
323 - $detail = '';
324 - $body = json_decode(wp_remote_retrieve_body($response), true);
325 - if (is_array($body)) {
326 - if (isset($body['error']['message'])) {
327 - $detail = $body['error']['message'];
328 - } elseif (isset($body['error']) && is_string($body['error'])) {
329 - $detail = $body['error'];
330 - } elseif (isset($body['message'])) {
331 - $detail = $body['message'];
332 - }
333 - }
334 - $detail = trim((string) $detail);
335 - if (strlen($detail) > 200) {
336 - $detail = substr($detail, 0, 200) . '…';
337 - }
338 -
339 - if ($code === 401 || $code === 403) {
340 - $msg = ($detail !== '')
341 - ? sprintf(esc_html__('Key rejected (HTTP %1$d): %2$s', 'mxchat'), $code, esc_html($detail))
342 - : sprintf(esc_html__('Key rejected (HTTP %d). Check the API key.', 'mxchat'), $code);
343 - wp_send_json_error(array('message' => $msg));
344 - }
345 -
346 - $msg = ($detail !== '')
347 - ? sprintf(esc_html__('Provider returned HTTP %1$d: %2$s', 'mxchat'), $code, esc_html($detail))
348 - : sprintf(esc_html__('Provider returned HTTP %d.', 'mxchat'), $code);
349 - wp_send_json_error(array('message' => $msg));
350 -}
351 -
352 45 // ========================================
353 46 // SETTINGS AJAX HANDLERS
354 47 // ========================================
355 48
@@ -363,10 +56,10 @@
363 56 wp_send_json_error(['message' => esc_html__('Unauthorized', 'mxchat')]);
364 57 }
365 58
366 59 $name = isset($_POST['name']) ? $_POST['name'] : '';
367 - // Remove WP's added slashes before saving (wp_unslash is the canonical form; plan-3f8158).
368 - $value = isset($_POST['value']) ? wp_unslash($_POST['value']) : '';
60 + // Strip slashes from the value before saving
61 + $value = isset($_POST['value']) ? stripslashes($_POST['value']) : '';
369 62
370 63 //error_log('MXChat Save: Processing field name: ' . $name);
371 64 //error_log('MXChat Save: Field value: ' . $value);
372 65
@@ -378,122 +71,10 @@
378 71 // Load the full options array
379 72 $options = get_option('mxchat_options', []);
380 73 //error_log('MXChat Save: Current options array: ' . print_r($options, true));
381 74
382 - // Extract field name from mxchat_options[field_name] format if present
383 - // But preserve the full name for special cases like rate_limits that need the full path
384 - $field_name = $name;
385 - if (preg_match('/^mxchat_options\[([^\[\]]+)\]$/', $name, $matches)) {
386 - $field_name = $matches[1];
387 - }
388 -
389 75 // Handle special cases
390 - switch ($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' => $saved_schedule,
493 - ]);
494 - return;
495 -
76 + switch ($name) {
496 77 case 'model':
497 78 //error_log('MXChat Save: Processing model selection');
498 79 //error_log('MXChat Save: Model value received: ' . $value);
499 80 //error_log('MXChat Save: Value type: ' . gettype($value));
@@ -505,15 +86,20 @@
505 86 //error_log('MXChat Save: Setting model to openrouter');
506 87 $options['model'] = 'openrouter';
507 88 } else {
508 89 //error_log('MXChat Save: Checking against whitelist');
509 - // Catalog refactor (plan-d14e89): canonical allowlist lives in
510 - // includes/class-mxchat-model-catalog.php. A new chat model
511 - // added there is automatically accepted by autosave.
512 - if (!class_exists('MxChat_Model_Catalog')) {
513 - require_once plugin_dir_path(dirname(__FILE__)) . 'includes/class-mxchat-model-catalog.php';
514 - }
515 - $allowed_models = MxChat_Model_Catalog::chat_model_ids();
90 + $allowed_models = array(
91 + 'gemini-2.0-flash', 'gemini-2.0-flash-lite', 'gemini-1.5-pro', 'gemini-1.5-flash',
92 + 'grok-4-0709', 'grok-3-beta', 'grok-3-fast-beta', 'grok-3-mini-beta',
93 + 'grok-3-mini-fast-beta', 'grok-2',
94 + 'deepseek-chat',
95 + 'claude-sonnet-4-5-20250929', 'claude-opus-4-1-20250805', 'claude-haiku-4-5-20251001',
96 + 'claude-opus-4-20250514', 'claude-sonnet-4-20250514', 'claude-3-7-sonnet-20250219',
97 + 'claude-3-5-sonnet-20241022', 'claude-3-opus-20240229', 'claude-3-sonnet-20240229',
98 + 'claude-3-haiku-20240307',
99 + 'gpt-5', 'gpt-5-mini', 'gpt-5-nano', 'gpt-4.1-2025-04-14',
100 + 'gpt-4o', 'gpt-4o-mini', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo',
101 + );
516 102
517 103 //error_log('MXChat Save: in_array result: ' . (in_array($value, $allowed_models) ? 'YES' : 'NO'));
518 104
519 105 if (in_array($value, $allowed_models)) {
@@ -552,9 +138,9 @@
552 138 case 'additional_popular_questions':
553 139 //error_log('MXChat Save: Processing additional_popular_questions');
554 140 $questions = json_decode($value, true); // No need for stripslashes here
555 141 if (is_array($questions)) {
556 - $options[$field_name] = $questions;
142 + $options[$name] = $questions;
557 143 // Also update old option for backwards compatibility
558 144 update_option('additional_popular_questions', $questions);
559 145 //error_log('MXChat Save: Saved ' . count($questions) . ' additional questions');
560 146 } else {
@@ -563,240 +149,55 @@
563 149 break;
564 150 case 'email_blocker_header_content':
565 151 //error_log('MXChat Save: Processing email_blocker_header_content');
566 152 // Allow HTML content but sanitize it safely
567 - $options[$field_name] = wp_kses_post($value);
153 + $options[$name] = wp_kses_post($value);
568 154 break;
569 - case 'intro_message':
570 - // Stored-XSS hardening (Wordfence CWE-79, plan-3f8158): sanitize on save as
571 - // defense in depth. wp_kses_post mirrors mxchat_sanitize() (the options.php
572 - // save path) so both save routes treat intro_message identically and strip
573 - // <script>/</textarea> breakout while keeping basic formatting + {visitor_name}.
574 - $options[$field_name] = wp_kses_post($value);
575 - break;
576 155 case 'email_blocker_button_text':
577 156 //error_log('MXChat Save: Processing email_blocker_button_text');
578 - $options[$field_name] = sanitize_text_field($value);
157 + $options[$name] = sanitize_text_field($value);
579 158 break;
580 159 case 'name_field_placeholder':
581 160 //error_log('MXChat Save: Processing name_field_placeholder');
582 - $options[$field_name] = sanitize_text_field($value);
161 + $options[$name] = sanitize_text_field($value);
583 162 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;
589 163 case 'similarity_threshold':
590 164 //error_log('MXChat Save: Processing similarity_threshold');
591 - // Validate and save - enforce min 20, max 85
592 - $threshold = intval($value);
593 - if ($threshold < 20) $threshold = 20;
594 - if ($threshold > 85) $threshold = 85;
595 - $options[$field_name] = $threshold;
165 + // Save to the options array
166 + $options[$name] = $value;
596 167 break;
597 - case 'rag_sources_limit':
598 - //error_log('MXChat Save: Processing rag_sources_limit');
599 - // Validate and save - enforce min 3, max 10, default 6
600 - $rag_limit = intval($value);
601 - if ($rag_limit < 3) $rag_limit = 3;
602 - if ($rag_limit > 10) $rag_limit = 10;
603 - $options[$field_name] = $rag_limit;
168 + case 'user_message_bg_color':
169 + case 'user_message_font_color':
170 + case 'bot_message_bg_color':
171 + case 'bot_message_font_color':
172 + case 'top_bar_bg_color':
173 + case 'send_button_font_color':
174 + case 'chatbot_background_color':
175 + case 'icon_color':
176 + case 'chat_input_font_color':
177 + case 'live_agent_message_bg_color':
178 + case 'live_agent_message_font_color':
179 + case 'mode_indicator_bg_color':
180 + case 'mode_indicator_font_color':
181 + case 'toolbar_icon_color':
182 + case 'quick_questions_toggle_color':
183 + //error_log('MXChat Save: Processing color value: ' . $name);
184 + // Store color values directly
185 + $options[$name] = $value;
604 186 break;
605 - case 'rag_chunks_limit':
606 - // Validate and save - enforce min 8, max 20, default 15
607 - $chunks_limit = intval($value);
608 - if ($chunks_limit < 8) $chunks_limit = 8;
609 - if ($chunks_limit > 20) $chunks_limit = 20;
610 - $options[$field_name] = $chunks_limit;
611 - break;
612 187 case 'live_agent_status':
613 188 //error_log('MXChat Save: Processing live_agent_status');
614 189 // Set the new value
615 - $options[$field_name] = ($value === 'on') ? 'on' : 'off';
190 + $options[$name] = ($value === 'on') ? 'on' : 'off';
616 191 break;
617 - // Webhook handoff destination (plan d88e22). Status normalized like the
618 - // other channel toggles; the URL is refused outright when it isn't
619 - // https so the admin hears about it at save time instead of the
620 - // handoff silently never firing.
621 - case 'webhook_handoff_status':
622 - $options[$field_name] = ($value === 'on') ? 'on' : 'off';
623 - break;
624 - case 'webhook_handoff_url':
625 - $wh_url = trim((string) $value);
626 - if ($wh_url === '') {
627 - $options[$field_name] = '';
628 - break;
629 - }
630 - $wh_clean = esc_url_raw($wh_url, array('https'));
631 - if ($wh_clean === '' || stripos($wh_clean, 'https://') !== 0) {
632 - wp_send_json_error(['message' => esc_html__('Webhook URL must start with https://', 'mxchat')]);
633 - return;
634 - }
635 - $options[$field_name] = $wh_clean;
636 - break;
637 - case 'enable_web_search':
638 - //error_log('MXChat Save: Processing enable_web_search');
639 - $options[$field_name] = ($value === 'on') ? 'on' : 'off';
640 - break;
641 192 case 'enable_woocommerce_integration':
642 193 //error_log('MXChat Save: Processing enable_woocommerce_integration');
643 194 // Handle values that used to be 1/0
644 - $options[$field_name] = ($value === 'on' || $value === '1') ? 'on' : 'off';
195 + $options[$name] = ($value === 'on' || $value === '1') ? 'on' : 'off';
645 196 break;
646 - case 'post_type_visibility_mode':
647 - // Validate mode value
648 - $allowed_modes = array('all', 'include', 'exclude');
649 - $options[$field_name] = in_array($value, $allowed_modes) ? $value : 'all';
650 - break;
651 - case 'post_type_visibility_list':
652 - // Handle JSON array of post types
653 - $post_types = json_decode($value, true);
654 - if (is_array($post_types)) {
655 - // Sanitize each post type slug
656 - $options[$field_name] = array_map('sanitize_key', $post_types);
657 - } else {
658 - $options[$field_name] = array();
659 - }
660 - break;
661 - case 'script_loading_strategy':
662 - // Validate script loading strategy value
663 - $allowed_strategies = array('default', 'defer', 'delay_1s', 'delay_3s', 'delay_5s', 'on_interaction');
664 - $options[$field_name] = in_array($value, $allowed_strategies) ? $value : 'default';
665 - break;
666 - case 'auto_retry_on_transient_error':
667 - // Boolean toggle — accept 1/0/on/off, default to '1' if any truthy value.
668 - $options[$field_name] = ($value === '1' || $value === 'on' || $value === 1 || $value === true) ? '1' : '0';
669 - break;
670 197 default:
671 - // Handle transcripts options
672 - if (strpos($name, 'mxchat_transcripts_options') !== false) {
673 - // Extract field name from mxchat_transcripts_options[field_name]
674 - if (preg_match('/mxchat_transcripts_options\[([^\]]+)\]/', $name, $matches)) {
675 - $field_name = $matches[1];
676 -
677 - // Get current transcripts options
678 - $transcripts_options = get_option('mxchat_transcripts_options', array());
679 -
680 - // Ensure it's an array
681 - if (!is_array($transcripts_options)) {
682 - $transcripts_options = array();
683 - }
684 -
685 - // Handle checkbox values (convert 'on'/'off' to 1/0)
686 - if ($field_name === 'mxchat_retention_days') {
687 - // Number field, NOT a checkbox — without this branch a
688 - // value of '1' would hit the 'on'/'1' coercion below
689 - // (harmlessly) but nothing would clamp: this direct-DB
690 - // path bypasses the registered sanitiser and its
691 - // 0-3650 clamp entirely (plan-3c3338).
692 - $transcripts_options[$field_name] = max(0, min(3650, (int) $value));
693 - } else if ($value === 'on' || $value === '1') {
694 - $transcripts_options[$field_name] = 1;
695 - } else if ($value === 'off' || $value === '0' || $value === '') {
696 - $transcripts_options[$field_name] = 0;
697 - } else {
698 - // For text/select fields, sanitize appropriately
699 - if ($field_name === 'mxchat_notification_email') {
700 - // sanitize_email() alone CANNOT validate this field: given
701 - // "a@x.com, b@y.com" it returns the single concatenated
702 - // address "a@x.comby.com", which is_email() then accepts.
703 - // That is how two addresses used to be stored as one dead
704 - // one, silently. MxChat_Utils validates the raw parts first
705 - // and refuses the whole list if any of them is bad.
706 - $parsed = MxChat_Utils::parse_notification_emails($value);
707 - if ($parsed['error'] !== '') {
708 - // Reject: the previously stored value stays untouched.
709 - wp_send_json_error(array('message' => $parsed['error']));
710 - }
711 - $transcripts_options[$field_name] = implode(', ', $parsed['emails']);
712 - } else {
713 - $transcripts_options[$field_name] = sanitize_text_field($value);
714 - }
715 - }
716 -
717 - // Use direct database update to bypass any filters
718 - global $wpdb;
719 -
720 - // Serialize the options array
721 - $serialized = maybe_serialize($transcripts_options);
722 -
723 - // Check if the option already exists in the database
724 - $existing = $wpdb->get_var("SELECT option_id FROM {$wpdb->options} WHERE option_name = 'mxchat_transcripts_options'");
725 -
726 - if ($existing) {
727 - // Option exists, do an update
728 - $result = $wpdb->update(
729 - $wpdb->options,
730 - array('option_value' => $serialized),
731 - array('option_name' => 'mxchat_transcripts_options'),
732 - array('%s'),
733 - array('%s')
734 - );
735 - } else {
736 - // Option doesn't exist (new install), do an insert
737 - $result = $wpdb->insert(
738 - $wpdb->options,
739 - array(
740 - 'option_name' => 'mxchat_transcripts_options',
741 - 'option_value' => $serialized,
742 - 'autoload' => 'yes'
743 - ),
744 - array('%s', '%s', '%s')
745 - );
746 - }
747 -
748 - // Clear all caches after direct DB update
749 - wp_cache_delete('mxchat_transcripts_options', 'options');
750 - wp_cache_delete('alloptions', 'options');
751 - wp_cache_flush();
752 -
753 - wp_send_json_success(['message' => esc_html__('Setting saved', 'mxchat')]);
754 - return;
755 - }
756 - }
757 - // Whole-chatbot global cap (sits in mxchat_options['rate_limits_global']).
758 - // Field names: mxchat_options[rate_limits_global][limit|timeframe|limit_custom]
759 - else if (strpos($name, 'mxchat_options[rate_limits_global]') !== false) {
760 - preg_match('/\[rate_limits_global\]\[(.*?)\]/', $name, $matches);
761 - if (isset($matches[1])) {
762 - $setting_key = $matches[1];
763 - if (!isset($options['rate_limits_global']) || !is_array($options['rate_limits_global'])) {
764 - $options['rate_limits_global'] = array('limit' => 'unlimited', 'timeframe' => 'daily');
765 - }
766 - if ($setting_key === 'limit') {
767 - // Selection from the preset dropdown. If __custom__, resolve from limit_custom; otherwise store directly.
768 - if ($value === '__custom__') {
769 - $custom = isset($options['rate_limits_global']['limit_custom']) ? (string) $options['rate_limits_global']['limit_custom'] : '';
770 - if ($custom !== '' && ctype_digit($custom) && (int) $custom >= 1) {
771 - $options['rate_limits_global']['limit'] = $custom;
772 - }
773 - // else leave existing limit untouched until the custom value arrives
774 - } else {
775 - $options['rate_limits_global']['limit'] = $value;
776 - }
777 - } elseif ($setting_key === 'limit_custom') {
778 - $clean = preg_replace('/[^0-9]/', '', (string) $value);
779 - $options['rate_limits_global']['limit_custom'] = $clean;
780 - // Mirror a valid custom value into limit UNCONDITIONALLY (plan-74eb86).
781 - // The custom number input is only editable when the dropdown is on
782 - // "Custom…" (the toggle JS hides it for presets/unlimited) and autosave
783 - // sends one field per change event, so a limit_custom change only fires
784 - // in custom mode — there is no preset to clobber. The old guard required
785 - // limit to already be non-preset, which it isn't on a first-time custom
786 - // entry (the limit=__custom__ event arrives before limit_custom is set),
787 - // so the value never landed in limit on the first save and reverted on refresh.
788 - if ($clean !== '' && (int) $clean >= 1) {
789 - $options['rate_limits_global']['limit'] = $clean;
790 - }
791 - } elseif ($setting_key === 'timeframe') {
792 - $allowed_tf = array('hourly','daily','weekly','monthly');
793 - $options['rate_limits_global']['timeframe'] = in_array($value, $allowed_tf, true) ? $value : 'daily';
794 - }
795 - }
796 - }
797 198 // First check for rate limits settings
798 - else if (strpos($name, 'mxchat_options[rate_limits]') !== false) {
199 + if (strpos($name, 'mxchat_options[rate_limits]') !== false) {
799 200 //error_log('MXChat Save: Detected rate_limits field: ' . $name);
800 201
801 202 // Extract role ID and setting from the name
802 203 preg_match('/\[rate_limits\]\[(.*?)\]\[(.*?)\]/', $name, $matches);
@@ -803,9 +204,9 @@
803 204 //error_log('MXChat Save: Regex matches: ' . print_r($matches, true));
804 205
805 206 if (isset($matches[1]) && isset($matches[2])) {
806 207 $role_id = $matches[1];
807 - $setting_key = $matches[2]; // limit, timeframe, message, or limit_custom
208 + $setting_key = $matches[2]; // limit, timeframe, or message
808 209
809 210 //error_log('MXChat Save: Role ID = ' . $role_id . ', Setting Key = ' . $setting_key);
810 211
811 212 // Initialize rate_limits if it doesn't exist
@@ -823,32 +224,10 @@
823 224 'message' => 'Rate limit exceeded. Please try again later.'
824 225 ];
825 226 }
826 227
827 - if ($setting_key === 'limit') {
828 - if ($value === '__custom__') {
829 - // Pull the integer from limit_custom that may have arrived (or will arrive).
830 - $custom = isset($options['rate_limits'][$role_id]['limit_custom']) ? (string) $options['rate_limits'][$role_id]['limit_custom'] : '';
831 - if ($custom !== '' && ctype_digit($custom) && (int) $custom >= 1) {
832 - $options['rate_limits'][$role_id]['limit'] = $custom;
833 - }
834 - } else {
835 - $options['rate_limits'][$role_id]['limit'] = $value;
836 - }
837 - } elseif ($setting_key === 'limit_custom') {
838 - $clean = preg_replace('/[^0-9]/', '', (string) $value);
839 - $options['rate_limits'][$role_id]['limit_custom'] = $clean;
840 - // Mirror a valid custom value into limit UNCONDITIONALLY — same reasoning
841 - // as the global branch above (plan-74eb86). The per-role custom input is
842 - // only editable in custom mode and autosave is one-field-per-change, so
843 - // this never clobbers a preset; it fixes the first-time-save revert.
844 - if ($clean !== '' && (int) $clean >= 1) {
845 - $options['rate_limits'][$role_id]['limit'] = $clean;
846 - }
847 - } else {
848 - // Update the specific setting (timeframe, message)
849 - $options['rate_limits'][$role_id][$setting_key] = $value;
850 - }
228 + // Update the specific setting
229 + $options['rate_limits'][$role_id][$setting_key] = $value;
851 230 //error_log('MXChat Save: Updated rate_limits[' . $role_id . '][' . $setting_key . '] = ' . $value);
852 231 } else {
853 232 //error_log('MXChat Save: Failed to parse rate_limits pattern: ' . $name);
854 233 }
@@ -873,10 +252,10 @@
873 252 } else {
874 253 //error_log('MXChat Save: Failed to parse role_rate_limits pattern: ' . $name);
875 254 }
876 255 }
877 - // Handle toggles - check both extracted field_name and original name for toggle detection
878 - else if (strpos($field_name, 'toggle') !== false || in_array($field_name, [
256 + // Handle toggles
257 + else if (strpos($name, 'toggle') !== false || in_array($name, [
879 258 'chat_persistence_toggle',
880 259 'privacy_toggle',
881 260 'complianz_toggle',
882 261 'chat_toolbar_toggle',
@@ -883,24 +262,17 @@
883 262 'show_pdf_upload_button',
884 263 'show_word_upload_button',
885 264 'enable_streaming_toggle',
886 265 'contextual_awareness_toggle',
887 - 'citation_links_toggle',
888 266 'enable_email_block',
889 - 'enable_name_field',
890 - 'enable_consent_checkbox',
891 - 'consent_checkbox_required',
892 - 'custom_provider_for_embeddings',
893 - 'custom_provider_for_images',
894 - 'print_button_enabled',
895 - 'reset_chat_enabled'
267 + 'enable_name_field'
896 268 ])) {
897 - //error_log('MXChat Save: Processing toggle: ' . $field_name);
898 - $options[$field_name] = ($value === 'on') ? 'on' : 'off';
269 + //error_log('MXChat Save: Processing toggle: ' . $name);
270 + $options[$name] = ($value === 'on') ? 'on' : 'off';
899 271 } else {
900 - //error_log('MXChat Save: Processing standard field: ' . $field_name);
901 - // Store all other values directly using the extracted field name
902 - $options[$field_name] = $value;
272 + //error_log('MXChat Save: Processing standard field: ' . $name);
273 + // Store all other values directly
274 + $options[$name] = $value;
903 275 }
904 276 break;
905 277 }
906 278
@@ -908,20 +280,8 @@
908 280 $updated = update_option('mxchat_options', $options);
909 281 //error_log('MXChat Save: Update result: ' . ($updated ? 'success' : 'unchanged') . ' for field: ' . $name);
910 282 //error_log('MXChat Save: Updated options array: ' . print_r($options, true));
911 283
912 - // Log the save action if debug mode is enabled
913 - if ( class_exists( 'MxChat_Admin' ) ) {
914 - MxChat_Admin::mxchat_log_debug(
915 - 'settings_save',
916 - sprintf( 'Field saved: %s', $field_name ),
917 - array(
918 - 'field' => $field_name,
919 - 'updated' => $updated,
920 - )
921 - );
922 - }
923 -
924 284 // Always return success even if WordPress says nothing changed
925 285 // (which happens when the value is the same as before)
926 286 wp_send_json_success(['message' => esc_html__('Setting saved', 'mxchat')]);
927 287 }
@@ -1036,14 +396,8 @@
1036 396 if ($field_name === 'mxchat_pinecone_host') {
1037 397 $new_value = str_replace(['https://', 'http://'], '', $new_value);
1038 398 }
1039 399 break;
1040 - case 'mxchat_pinecone_top_k':
1041 - // d0cae1: out-of-range and junk normalize to the default 50 —
1042 - // same clamp the read site applies.
1043 - $top_k = absint($value);
1044 - $new_value = (string) (($top_k >= 1 && $top_k <= 1000) ? $top_k : 50);
1045 - break;
1046 400 default:
1047 401 wp_send_json_error(['message' => esc_html__('Unknown Pinecone field', 'mxchat')]);
1048 402 }
1049 403
@@ -1073,16 +427,14 @@
1073 427 );
1074 428 //error_log('[MXCHAT-PROMPTS] Updated existing option, result: ' . ($save_result !== false ? 'SUCCESS' : 'FAILED'));
1075 429 } else {
1076 430 // Insert new option
1077 - // Credential option — must NOT autoload (holds the Pinecone secret;
1078 - // autoloaded rows are read into memory on every request).
1079 431 $save_result = $wpdb->insert(
1080 432 $wpdb->options,
1081 433 array(
1082 434 'option_name' => 'mxchat_pinecone_addon_options',
1083 435 'option_value' => $serialized_options,
1084 - 'autoload' => 'off'
436 + 'autoload' => 'yes'
1085 437 ),
1086 438 array('%s', '%s', '%s')
1087 439 );
1088 440 //error_log('[MXCHAT-PROMPTS] Inserted new option, result: ' . ($save_result !== false ? 'SUCCESS' : 'FAILED'));
@@ -1133,141 +485,12 @@
1133 485 wp_send_json_error(['message' => esc_html__('No changes detected', 'mxchat')]);
1134 486 }
1135 487 }
1136 488
1137 - // Handle chunking settings - use direct DB access to bypass WordPress filters
1138 - if (strpos($name, 'mxchat_chunk') === 0 || $name === 'mxchat_chunking_enabled') {
1139 - global $wpdb;
1140 -
1141 - // Get current options directly from database
1142 - $current_options_raw = $wpdb->get_var(
1143 - $wpdb->prepare(
1144 - "SELECT option_value FROM {$wpdb->options} WHERE option_name = %s",
1145 - 'mxchat_options'
1146 - )
1147 - );
1148 -
1149 - $options = $current_options_raw !== null ? maybe_unserialize($current_options_raw) : array();
1150 - if (!is_array($options)) {
1151 - $options = array();
1152 - }
1153 -
1154 - // Update the specific chunking field
1155 - if ($name === 'mxchat_chunking_enabled') {
1156 - $options['chunking_enabled'] = in_array($value, array('on', '1', 'true', true), true);
1157 - } elseif ($name === 'mxchat_chunk_size') {
1158 - $options['chunk_size'] = max(1000, min(10000, intval($value)));
1159 - }
1160 -
1161 - // Save directly to database
1162 - $serialized_options = maybe_serialize($options);
1163 -
1164 - $option_exists = $wpdb->get_var(
1165 - $wpdb->prepare(
1166 - "SELECT COUNT(*) FROM {$wpdb->options} WHERE option_name = %s",
1167 - 'mxchat_options'
1168 - )
1169 - );
1170 -
1171 - if ($option_exists > 0) {
1172 - $save_result = $wpdb->update(
1173 - $wpdb->options,
1174 - array('option_value' => $serialized_options),
1175 - array('option_name' => 'mxchat_options'),
1176 - array('%s'),
1177 - array('%s')
1178 - );
1179 - } else {
1180 - $save_result = $wpdb->insert(
1181 - $wpdb->options,
1182 - array(
1183 - 'option_name' => 'mxchat_options',
1184 - 'option_value' => $serialized_options,
1185 - 'autoload' => 'yes'
1186 - ),
1187 - array('%s', '%s', '%s')
1188 - );
1189 - }
1190 -
1191 - // Clear object cache for this option
1192 - wp_cache_delete('mxchat_options', 'options');
1193 -
1194 - if ($save_result !== false) {
1195 - wp_send_json_success(['message' => esc_html__('Chunking setting saved', 'mxchat')]);
1196 - } else {
1197 - wp_send_json_error(['message' => esc_html__('Failed to save chunking setting', 'mxchat')]);
1198 - }
1199 - return;
1200 - }
1201 -
1202 - // Handle ACF field exclusion toggles
1203 - if (strpos($name, 'mxchat_acf_field_') === 0) {
1204 - // The identifier after the prefix is the ACF field KEY (unique per
1205 - // field), not the field name — names are shared across groups and
1206 - // collide (plan 30e81f). Reject anything that isn't key-shaped so a
1207 - // stale pre-3.2.20 page (or its exit beacon) posting a bare name
1208 - // can't write junk into the key-based list.
1209 - $field_key = str_replace('mxchat_acf_field_', '', $name);
1210 - if (!preg_match('/^field_[A-Za-z0-9_\-]+$/', $field_key)) {
1211 - wp_send_json_error(['message' => esc_html__('Invalid ACF field identifier', 'mxchat')]);
1212 - return;
1213 - }
1214 - $is_enabled = ($value === 'on' || $value === '1');
1215 -
1216 - // Get current excluded fields
1217 - $excluded_fields = get_option('mxchat_acf_excluded_fields', array());
1218 - if (!is_array($excluded_fields)) {
1219 - $excluded_fields = array();
1220 - }
1221 -
1222 - if ($is_enabled) {
1223 - // Remove from exclusion list (field should be included)
1224 - $excluded_fields = array_values(array_diff($excluded_fields, array($field_key)));
1225 - // Lazy legacy-name conversion: if this field's NAME is still
1226 - // stored (its group was inactive when the 30e81f migration
1227 - // ran), including this one field must not silently include
1228 - // its same-named twins — swap the name entry for the keys of
1229 - // every OTHER field currently wearing that name.
1230 - $excluded_fields = $this->mxchat_expand_legacy_acf_name_entry($excluded_fields, $field_key);
1231 - } else {
1232 - // Add to exclusion list (field should be excluded)
1233 - if (!in_array($field_key, $excluded_fields, true)) {
1234 - $excluded_fields[] = $field_key;
1235 - }
1236 - }
1237 -
1238 - $updated = update_option('mxchat_acf_excluded_fields', $excluded_fields);
1239 -
1240 - if ($updated || true) { // Always report success since the state may already be correct
1241 - wp_send_json_success([
1242 - 'message' => $is_enabled
1243 - ? esc_html__('Field will be included in imports', 'mxchat')
1244 - : esc_html__('Field will be excluded from imports', 'mxchat')
1245 - ]);
1246 - } else {
1247 - wp_send_json_error(['message' => esc_html__('Failed to save ACF field setting', 'mxchat')]);
1248 - }
1249 - return;
1250 - }
1251 -
1252 - // Handle custom post meta whitelist
1253 - if ($name === 'mxchat_custom_meta_whitelist') {
1254 - $updated = update_option('mxchat_custom_meta_whitelist', sanitize_textarea_field($value));
1255 -
1256 - if ($updated || true) { // Always report success since the state may already be correct
1257 - wp_send_json_success([
1258 - 'message' => esc_html__('Custom meta whitelist saved', 'mxchat')
1259 - ]);
1260 - } else {
1261 - wp_send_json_error(['message' => esc_html__('Failed to save custom meta whitelist', 'mxchat')]);
1262 - }
1263 - return;
1264 - }
1265 -
1266 - // Handle other prompts options (autoload false — can hold the Pinecone secret)
489 + // Handle other prompts options
1267 490 $options = get_option('mxchat_prompts_options', []);
1268 491 $options[$name] = $value;
1269 - $updated = update_option('mxchat_prompts_options', $options, false);
492 + $updated = update_option('mxchat_prompts_options', $options);
1270 493
1271 494 if ($updated) {
1272 495 wp_send_json_success(['message' => esc_html__('Setting saved', 'mxchat')]);
1273 496 } else {
@@ -1274,130 +497,10 @@
1274 497 wp_send_json_error(['message' => esc_html__('No changes detected', 'mxchat')]);
1275 498 }
1276 499 }
1277 500
1278 - /**
1279 - * If the field behind $included_key still has its NAME stored in the
1280 - * exclusion list (a legacy entry the 30e81f migration could not resolve
1281 - * because the group was inactive), replace that name with the keys of
1282 - * every OTHER current field wearing it. Including one field must never
1283 - * silently include its same-named twins — that would be the original
1284 - * collision bug in reverse, in the unsafe (privacy-losing) direction.
1285 - */
1286 - private function mxchat_expand_legacy_acf_name_entry($excluded_fields, $included_key) {
1287 - if (!function_exists('acf_get_field')) {
1288 - return $excluded_fields;
1289 - }
1290 - $field = acf_get_field($included_key);
1291 - if (!$field || empty($field['name'])) {
1292 - return $excluded_fields;
1293 - }
1294 - $field_name = $field['name'];
1295 - if (!in_array($field_name, $excluded_fields, true)) {
1296 - return $excluded_fields;
1297 - }
1298 - $excluded_fields = array_values(array_diff($excluded_fields, array($field_name)));
1299 - foreach ($this->mxchat_acf_keys_for_name($field_name) as $twin_key) {
1300 - if ($twin_key !== $included_key && !in_array($twin_key, $excluded_fields, true)) {
1301 - $excluded_fields[] = $twin_key;
1302 - }
1303 - }
1304 - return $excluded_fields;
1305 - }
1306 501
1307 502 /**
1308 - * Keys of every currently-registered top-level ACF field with this name.
1309 - */
1310 - private function mxchat_acf_keys_for_name($field_name) {
1311 - $keys = array();
1312 - if (!function_exists('acf_get_field_groups') || !function_exists('acf_get_fields')) {
1313 - return $keys;
1314 - }
1315 - foreach (acf_get_field_groups() as $group) {
1316 - $group_fields = acf_get_fields($group['key']);
1317 - if (empty($group_fields)) {
1318 - continue;
1319 - }
1320 - foreach ($group_fields as $field) {
1321 - if (isset($field['name'], $field['key']) && $field['name'] === $field_name) {
1322 - $keys[] = $field['key'];
1323 - }
1324 - }
1325 - }
1326 - return $keys;
1327 - }
1328 -
1329 - /**
1330 - * Group-level ACF toggle (plan bf57e0): sets every field in one ACF field
1331 - * group included or excluded in a SINGLE option write. The client must
1332 - * never loop the per-field endpoint for this — get_option → modify →
1333 - * update_option once per field from twenty concurrent requests is a
1334 - * lost-update race that silently drops most of the group.
1335 - */
1336 - public function mxchat_acf_toggle_group_callback() {
1337 - check_ajax_referer('mxchat_prompts_setting_nonce');
1338 -
1339 - if (!current_user_can('manage_options')) {
1340 - wp_send_json_error(['message' => esc_html__('Insufficient permissions', 'mxchat')], 403);
1341 - return;
1342 - }
1343 -
1344 - if (!function_exists('acf_get_fields')) {
1345 - wp_send_json_error(['message' => esc_html__('ACF is not active', 'mxchat')]);
1346 - return;
1347 - }
1348 -
1349 - $group_key = isset($_POST['group_key']) ? sanitize_text_field(wp_unslash($_POST['group_key'])) : '';
1350 - if (!preg_match('/^group_[A-Za-z0-9_\-]+$/', $group_key)) {
1351 - wp_send_json_error(['message' => esc_html__('Invalid ACF group identifier', 'mxchat')]);
1352 - return;
1353 - }
1354 - $state = isset($_POST['state']) ? sanitize_text_field(wp_unslash($_POST['state'])) : '';
1355 - $include = ($state === 'on' || $state === '1');
1356 -
1357 - // Resolve the group's fields SERVER-side — a client-supplied key list
1358 - // is not trusted. This is the same call the settings UI lists from,
1359 - // so the toggle covers exactly the rendered set (top-level fields).
1360 - $group_fields = acf_get_fields($group_key);
1361 - if (empty($group_fields)) {
1362 - wp_send_json_error(['message' => esc_html__('No fields found for this group', 'mxchat')]);
1363 - return;
1364 - }
1365 -
1366 - $excluded_fields = get_option('mxchat_acf_excluded_fields', array());
1367 - if (!is_array($excluded_fields)) {
1368 - $excluded_fields = array();
1369 - }
1370 -
1371 - $touched = array();
1372 - foreach ($group_fields as $field) {
1373 - if (empty($field['key'])) {
1374 - continue;
1375 - }
1376 - if ($include) {
1377 - $excluded_fields = array_values(array_diff($excluded_fields, array($field['key'])));
1378 - $excluded_fields = $this->mxchat_expand_legacy_acf_name_entry($excluded_fields, $field['key']);
1379 - } elseif (!in_array($field['key'], $excluded_fields, true)) {
1380 - $excluded_fields[] = $field['key'];
1381 - }
1382 - $touched[] = array(
1383 - 'name' => 'mxchat_acf_field_' . $field['key'],
1384 - 'value' => $include ? 'on' : 'off',
1385 - );
1386 - }
1387 -
1388 - // The one write — the whole point of this endpoint.
1389 - update_option('mxchat_acf_excluded_fields', array_values($excluded_fields));
1390 -
1391 - wp_send_json_success([
1392 - 'message' => $include
1393 - ? esc_html__('All fields in this group will be included in imports', 'mxchat')
1394 - : esc_html__('All fields in this group will be excluded from imports', 'mxchat'),
1395 - 'fields' => $touched,
1396 - ]);
1397 - }
1398 -
1399 - /**
1400 503 * Handles AJAX request for Pinecone settings migration
1401 504 */
1402 505 public function ajax_migrate_pinecone_settings() {
1403 506 // Verify nonce
@@ -1433,9 +536,9 @@
1433 536 'mxchat_pinecone_index' => sanitize_text_field($old_options['mxchat_pinecone_index'] ?? ''),
1434 537 'mxchat_pinecone_environment' => sanitize_text_field($old_options['mxchat_pinecone_environment'] ?? '')
1435 538 );
1436 539
1437 - update_option('mxchat_pinecone_addon_options', $migrated_options, false);
540 + update_option('mxchat_pinecone_addon_options', $migrated_options);
1438 541
1439 542 wp_send_json_success(array(
1440 543 'migrated' => true,
1441 544 'message' => 'Settings migrated successfully from Pinecone add-on'
@@ -1594,17 +697,9 @@
1594 697 //error_log('MxChat deactivate: Nonce check failed');
1595 698 wp_send_json_error('Security check failed.');
1596 699 return;
1597 700 }
1598 -
1599 - // plan-mxchat-20260731-c63fb6 — nonce is not authorization. Without this,
1600 - // any authenticated user holding the nonce could revoke the site's PRO
1601 - // licence. Every sibling handler in this file already checks.
1602 - if (!current_user_can('manage_options')) {
1603 - wp_send_json_error(esc_html__('Unauthorized', 'mxchat'), 403);
1604 - return;
1605 - }
1606 -
701 +
1607 702 //error_log('MxChat deactivate: Nonce check passed');
1608 703
1609 704 $license_key = get_option('mxchat_activation_key');
1610 705 $email = get_option('mxchat_pro_email');
@@ -1775,240 +870,8 @@
1775 870 */
1776 871 private function mxchat_get_nonce_action() {
1777 872 return 'mxchat_license_nonce';
1778 873 }
1779 -
1780 - /**
1781 - * Check API key status for all providers
1782 - */
1783 - public function mxchat_check_api_keys() {
1784 - // Check nonce
1785 - if (!wp_verify_nonce($_POST['nonce'] ?? '', 'mxchat_save_setting_nonce')) {
1786 - wp_send_json_error('Invalid nonce');
1787 - }
1788 -
1789 - // Check permissions
1790 - if (!current_user_can('manage_options')) {
1791 - wp_send_json_error('Unauthorized');
1792 - }
1793 -
1794 - // Get current options
1795 - $options = get_option('mxchat_options', array());
1796 -
1797 - // Check which API keys are present
1798 - $api_key_status = array(
1799 - 'openai' => !empty($options['api_key']),
1800 - 'claude' => !empty($options['claude_api_key']),
1801 - 'xai' => !empty($options['xai_api_key']),
1802 - 'deepseek' => !empty($options['deepseek_api_key']),
1803 - 'gemini' => !empty($options['gemini_api_key']),
1804 - 'openrouter' => !empty($options['openrouter_api_key']),
1805 - 'voyage' => !empty($options['voyage_api_key'])
1806 - );
1807 -
1808 - wp_send_json_success($api_key_status);
1809 - }
1810 -
1811 - // ========================================
1812 - // DEBUG & OPTIMIZATION AJAX HANDLERS
1813 - // ========================================
1814 -
1815 - /**
1816 - * Toggle debug mode on/off
1817 - */
1818 - public function mxchat_toggle_debug_mode_callback() {
1819 - // Verify nonce
1820 - if ( ! check_ajax_referer( 'mxchat_save_setting_nonce', '_ajax_nonce', false ) ) {
1821 - wp_send_json_error( array( 'message' => esc_html__( 'Security check failed', 'mxchat' ) ) );
1822 - }
1823 -
1824 - // Check permissions
1825 - if ( ! current_user_can( 'manage_options' ) ) {
1826 - wp_send_json_error( array( 'message' => esc_html__( 'Unauthorized', 'mxchat' ) ) );
1827 - }
1828 -
1829 - $enabled = isset( $_POST['enabled'] ) && $_POST['enabled'] === 'on';
1830 -
1831 - $options = get_option( 'mxchat_options', array() );
1832 -
1833 - if ( $enabled ) {
1834 - $options['debug_mode'] = 'on';
1835 - update_option( 'mxchat_options', $options );
1836 - MxChat_Admin::mxchat_log_debug( 'debug_mode', 'Debug mode enabled' );
1837 - } else {
1838 - // Log before disabling
1839 - MxChat_Admin::mxchat_log_debug( 'debug_mode', 'Debug mode disabled' );
1840 - $options['debug_mode'] = 'off';
1841 - update_option( 'mxchat_options', $options );
1842 - }
1843 -
1844 - wp_send_json_success( array(
1845 - 'message' => $enabled ? esc_html__( 'Debug mode enabled', 'mxchat' ) : esc_html__( 'Debug mode disabled', 'mxchat' ),
1846 - 'enabled' => $enabled,
1847 - ) );
1848 - }
1849 -
1850 - /**
1851 - * Get the debug log entries
1852 - */
1853 - public function mxchat_get_debug_log_callback() {
1854 - // Verify nonce
1855 - if ( ! check_ajax_referer( 'mxchat_save_setting_nonce', '_ajax_nonce', false ) ) {
1856 - wp_send_json_error( array( 'message' => esc_html__( 'Security check failed', 'mxchat' ) ) );
1857 - }
1858 -
1859 - // Check permissions
1860 - if ( ! current_user_can( 'manage_options' ) ) {
1861 - wp_send_json_error( array( 'message' => esc_html__( 'Unauthorized', 'mxchat' ) ) );
1862 - }
1863 -
1864 - $log = MxChat_Admin::mxchat_get_debug_log();
1865 -
1866 - wp_send_json_success( array(
1867 - 'log' => $log,
1868 - 'count' => count( $log ),
1869 - ) );
1870 - }
1871 -
1872 - /**
1873 - * Clear the debug log
1874 - */
1875 - public function mxchat_clear_debug_log_callback() {
1876 - // Verify nonce
1877 - if ( ! check_ajax_referer( 'mxchat_save_setting_nonce', '_ajax_nonce', false ) ) {
1878 - wp_send_json_error( array( 'message' => esc_html__( 'Security check failed', 'mxchat' ) ) );
1879 - }
1880 -
1881 - // Check permissions
1882 - if ( ! current_user_can( 'manage_options' ) ) {
1883 - wp_send_json_error( array( 'message' => esc_html__( 'Unauthorized', 'mxchat' ) ) );
1884 - }
1885 -
1886 - MxChat_Admin::mxchat_clear_debug_log();
1887 -
1888 - // Log that the log was cleared (this will be the first entry in the new log)
1889 - MxChat_Admin::mxchat_log_debug( 'debug_log', 'Debug log cleared by user' );
1890 -
1891 - wp_send_json_success( array( 'message' => esc_html__( 'Debug log cleared', 'mxchat' ) ) );
1892 - }
1893 -
1894 - /**
1895 - * Export settings as JSON
1896 - */
1897 - public function mxchat_export_settings_callback() {
1898 - // Verify nonce
1899 - if ( ! check_ajax_referer( 'mxchat_save_setting_nonce', '_ajax_nonce', false ) ) {
1900 - wp_send_json_error( array( 'message' => esc_html__( 'Security check failed', 'mxchat' ) ) );
1901 - }
1902 -
1903 - // Check permissions
1904 - if ( ! current_user_can( 'manage_options' ) ) {
1905 - wp_send_json_error( array( 'message' => esc_html__( 'Unauthorized', 'mxchat' ) ) );
1906 - }
1907 -
1908 - $export = MxChat_Admin::mxchat_export_settings();
1909 -
1910 - // Log the export
1911 - MxChat_Admin::mxchat_log_debug( 'settings_export', 'Settings exported by user' );
1912 -
1913 - wp_send_json_success( array(
1914 - 'settings' => $export,
1915 - 'filename' => 'mxchat-settings-' . gmdate( 'Y-m-d-His' ) . '.json',
1916 - ) );
1917 - }
1918 -
1919 - /**
1920 - * Reset all settings to defaults
1921 - */
1922 - public function mxchat_reset_all_settings_callback() {
1923 - // Verify nonce
1924 - if ( ! check_ajax_referer( 'mxchat_save_setting_nonce', '_ajax_nonce', false ) ) {
1925 - wp_send_json_error( array( 'message' => esc_html__( 'Security check failed', 'mxchat' ) ) );
1926 - }
1927 -
1928 - // Check permissions
1929 - if ( ! current_user_can( 'manage_options' ) ) {
1930 - wp_send_json_error( array( 'message' => esc_html__( 'Unauthorized', 'mxchat' ) ) );
1931 - }
1932 -
1933 - // Require confirmation code
1934 - $confirmation = isset( $_POST['confirmation'] ) ? sanitize_text_field( wp_unslash( $_POST['confirmation'] ) ) : '';
1935 -
1936 - if ( strtoupper( $confirmation ) !== 'RESET' ) {
1937 - wp_send_json_error( array( 'message' => esc_html__( 'Invalid confirmation code. Please type RESET to confirm.', 'mxchat' ) ) );
1938 - }
1939 -
1940 - // Perform the reset
1941 - MxChat_Admin::mxchat_reset_all_settings();
1942 -
1943 - wp_send_json_success( array( 'message' => esc_html__( 'All settings have been reset to defaults. The page will reload.', 'mxchat' ) ) );
1944 - }
1945 -
1946 - /**
1947 - * Reset the global rate-limit usage counter to zero on demand.
1948 - *
1949 - * Zeroes the WP option mxchat_chat_limit_<bot>_global that the integrator
1950 - * increments per message, then returns a freshly-formatted readout string
1951 - * so the settings page can update without a reload. Does NOT change any
1952 - * enforcement config — purely clears the running counter.
1953 - */
1954 - public function mxchat_reset_global_rate_limit_callback() {
1955 - // Verify nonce
1956 - if ( ! check_ajax_referer( 'mxchat_reset_global_usage', '_ajax_nonce', false ) ) {
1957 - wp_send_json_error( array( 'message' => esc_html__( 'Security check failed', 'mxchat' ) ) );
1958 - }
1959 -
1960 - // Check permissions
1961 - if ( ! current_user_can( 'manage_options' ) ) {
1962 - wp_send_json_error( array( 'message' => esc_html__( 'Unauthorized', 'mxchat' ) ) );
1963 - }
1964 -
1965 - // Resolve the per-bot counter key the same way the integrator does.
1966 - $bot_id = isset( $_POST['bot_id'] ) ? sanitize_key( wp_unslash( $_POST['bot_id'] ) ) : 'default';
1967 - $safe_bot = preg_replace( '/[^a-zA-Z0-9_]/', '_', $bot_id );
1968 - if ( $safe_bot === '' ) {
1969 - $safe_bot = 'default';
1970 - }
1971 - $option_key = 'mxchat_chat_limit_' . $safe_bot . '_global';
1972 -
1973 - $now = time();
1974 - update_option( $option_key, array( 'count' => 0, 'timestamp' => $now ) );
1975 -
1976 - // Recompute the display string so the front-end can update in place.
1977 - $all_options = get_option( 'mxchat_options', array() );
1978 - $global_cfg = isset( $all_options['rate_limits_global'] ) && is_array( $all_options['rate_limits_global'] )
1979 - ? $all_options['rate_limits_global']
1980 - : array();
1981 - $limit_raw = isset( $global_cfg['limit'] ) ? (string) $global_cfg['limit'] : 'unlimited';
1982 - // Defensive: if a raw __custom__ ever slips through, fall back to the custom value.
1983 - if ( ! ctype_digit( $limit_raw ) && isset( $global_cfg['limit_custom'] ) && ctype_digit( (string) $global_cfg['limit_custom'] ) ) {
1984 - $limit_raw = (string) $global_cfg['limit_custom'];
1985 - }
1986 - $timeframe = isset( $global_cfg['timeframe'] ) ? (string) $global_cfg['timeframe'] : 'daily';
1987 - $windows = array( 'hourly' => 3600, 'daily' => 86400, 'weekly' => 604800, 'monthly' => 2592000 );
1988 - $window = isset( $windows[ $timeframe ] ) ? $windows[ $timeframe ] : 86400;
1989 - $reset_at = $now + $window;
1990 - $limit_int = ctype_digit( $limit_raw ) ? (int) $limit_raw : 0;
1991 -
1992 - $text = sprintf(
1993 - /* translators: 1: used count, 2: limit, 3: remaining, 4: human-readable time until reset */
1994 - esc_html__( '%1$s of %2$s used · %3$s left · resets in %4$s', 'mxchat' ),
1995 - number_format_i18n( 0 ),
1996 - number_format_i18n( $limit_int ),
1997 - number_format_i18n( $limit_int ),
1998 - human_time_diff( $now, $reset_at )
1999 - );
2000 -
2001 - wp_send_json_success( array(
2002 - 'count' => 0,
2003 - 'limit' => $limit_int,
2004 - 'left' => $limit_int,
2005 - 'reset_at' => $reset_at,
2006 - 'pct' => 0,
2007 - 'text' => $text,
2008 - 'message' => esc_html__( 'Usage counter reset.', 'mxchat' ),
2009 - ) );
2010 - }
2011 874
2012 875 }
2013 876
2014 877 // Initialize the AJAX handler