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MxChat – AI Chatbot & Content Generation for WordPress / 3.2.25
MxChat – AI Chatbot & Content Generation for WordPress v3.2.25
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 | js/chat-script.js +370 -127 3.2.21 → 3.2.25 View file →
@@ -167,8 +167,16 @@
167 167 // Instance registry - tracks all chatbot instances on the page
168 168 const MxChatInstances = {
169 169 instances: {},
170 170
171 + // Lifecycle facts add-ons can read after the fact (plan 65c9b6). The
172 + // events below fire once; a script that loads late checks these instead.
173 + toolbarReady: false,
174 + opened: {},
175 + hasOpened: function(botId) {
176 + return !!this.opened[botId || 'default'];
177 + },
178 +
171 179 // Initialize an instance for a bot
172 180 init: function(botId) {
173 181 if (!this.instances[botId]) {
174 182 // When persistence is OFF, track when this session started
@@ -317,8 +325,50 @@
317 325 }
318 326 };
319 327
320 328 // ====================================
329 + // LIFECYCLE EVENTS FOR ADD-ONS (plan 65c9b6)
330 + // ====================================
331 + //
332 + // Document-level CustomEvents an add-on listens for instead of polling the
333 + // DOM or firing requests on page load:
334 + // mxchat:toolbar-ready detail { enabled } once, right after the
335 + // toolbar show/hide pass; items rendered through the
336 + // mxchat_chat_toolbar_items filter can bind now.
337 + // mxchat:opened detail { botId, embedded } once per bot per page
338 + // load, the first time its window is shown — the
339 + // launcher, the pre-chat bubble, an embedded widget
340 + // (at load), or any script that reveals it.
341 + // Same facts, readable late: MxChatInstances.toolbarReady / hasOpened(botId).
342 + function mxchatDispatch(name, detail) {
343 + try {
344 + document.dispatchEvent(new CustomEvent(name, { detail: detail || {} }));
345 + } catch (err) { /* CustomEvent unsupported — nothing to notify */ }
346 + }
347 +
348 + function mxchatFireOpened(botId) {
349 + botId = botId || 'default';
350 + if (MxChatInstances.opened[botId]) return;
351 + MxChatInstances.opened[botId] = true;
352 + mxchatDispatch('mxchat:opened', { botId: botId, embedded: isEmbeddedBot(botId) });
353 + }
354 +
355 + // Catch openers this file does not own (the Trigger add-on, theme buttons,
356 + // custom scripts): a floating window gaining .visible counts as opened.
357 + function mxchatWatchForOpen(botId) {
358 + var el = getElementDOM(botId, 'floating-chatbot');
359 + if (!el || typeof MutationObserver === 'undefined') return;
360 + if (el.classList.contains('visible')) { mxchatFireOpened(botId); return; }
361 + var obs = new MutationObserver(function() {
362 + if (el.classList.contains('visible')) {
363 + mxchatFireOpened(botId);
364 + obs.disconnect();
365 + }
366 + });
367 + obs.observe(el, { attributes: true, attributeFilter: ['class'] });
368 + }
369 +
370 + // ====================================
321 371 // ELEMENT SELECTOR HELPERS
322 372 // ====================================
323 373
324 374 // Check if a specific bot has an AI theme assigned (skip inline colors)
@@ -471,23 +521,28 @@
471 521 // ====================================
472 522 // CONTEXTUAL AWARENESS FUNCTIONALITY
473 523 // ====================================
474 524
525 +// Plan f3e515: the page context is computed once per page, not once per message.
526 +// Keyed on URL + title + the content element's text length — cheap to check,
527 +// and enough to notice a navigation or a re-rendered content area.
528 +var pageContextCache = { key: null, value: null };
529 +
475 530 function getPageContext() {
476 531 // Check if contextual awareness is enabled
477 532 if (mxchatChat.contextual_awareness_toggle !== 'on') {
478 533 return null;
479 534 }
480 -
535 +
481 536 // Get page URL
482 537 const pageUrl = window.location.href;
483 -
538 +
484 539 // Get page title
485 540 const pageTitle = document.title || '';
486 -
541 +
487 542 // Get main content from the page
488 543 let pageContent = '';
489 -
544 +
490 545 // Try to get content from common content areas
491 546 const contentSelectors = [
492 547 'main',
493 548 '[role="main"]',
@@ -499,9 +554,9 @@
499 554 'article',
500 555 '#content',
501 556 '#main'
502 557 ];
503 -
558 +
504 559 let contentElement = null;
505 560 for (const selector of contentSelectors) {
506 561 contentElement = document.querySelector(selector);
507 562 if (contentElement) {
@@ -507,18 +562,31 @@
507 562 if (contentElement) {
508 563 break;
509 564 }
510 565 }
511 -
566 +
512 567 // If no specific content area found, use body but exclude header, footer, nav, sidebar
513 568 if (!contentElement) {
514 569 contentElement = document.body;
515 570 }
516 -
571 +
517 572 if (contentElement) {
518 - // Clone the element to avoid modifying the original
519 - const clone = contentElement.cloneNode(true);
520 -
573 + const cacheKey = pageUrl + '\u0000' + pageTitle + '\u0000' + (contentElement.textContent || '').length;
574 + if (pageContextCache.key === cacheKey) {
575 + return pageContextCache.value;
576 + }
577 +
578 + // Copy the element into a document that has no browsing context
579 + // (plan f3e515). A live cloneNode(true) constructed real <video> /
580 + // <audio> / <img> elements: media with a src runs resource selection
581 + // on creation whether or not it is attached, and an autoplay attribute
582 + // made the detached copy PLAY — audibly, once the visible player had
583 + // been unmuted through the property. Every message spawned another
584 + // one. Elements in an inert document never fetch or play, while
585 + // querySelectorAll / textContent / dataset all still work on them.
586 + const inertDocument = document.implementation.createHTMLDocument('');
587 + const clone = inertDocument.importNode(contentElement, true);
588 +
521 589 // Remove unwanted elements
522 590 const unwantedSelectors = [
523 591 'header',
524 592 'footer',
@@ -536,16 +604,25 @@
536 604 '#floating-chatbot',
537 605 '#floating-chatbot-button',
538 606 '.mxchat',
539 607 '[class*="chat"]',
540 - '[id*="chat"]'
608 + '[id*="chat"]',
609 + // Media contributes no text and (outside the inert document) fetches.
610 + 'video',
611 + 'audio',
612 + 'iframe',
613 + 'object',
614 + 'embed',
615 + 'picture',
616 + 'img',
617 + 'source'
541 618 ];
542 -
619 +
543 620 unwantedSelectors.forEach(selector => {
544 621 const elements = clone.querySelectorAll(selector);
545 622 elements.forEach(el => el.remove());
546 623 });
547 -
624 +
548 625 // Extract MxChat context data attributes before getting text content
549 626 const contextData = [];
550 627 clone.querySelectorAll('[data-mxchat-context]').forEach(el => {
551 628 const contextValue = el.dataset.mxchatContext;
@@ -552,34 +629,34 @@
552 629 if (contextValue && contextValue.trim()) {
553 630 contextData.push(contextValue);
554 631 }
555 632 });
556 -
633 +
557 634 // Get text content and clean it up
558 635 pageContent = clone.textContent || clone.innerText || '';
559 -
636 +
560 637 // Add context data to page content if any were found
561 638 if (contextData.length > 0) {
562 639 pageContent += '\n\nAdditional Context:\n' + contextData.join('\n');
563 640 }
564 -
641 +
565 642 // Clean up whitespace and limit length
566 643 pageContent = pageContent
567 644 .replace(/\s+/g, ' ')
568 645 .trim()
569 646 .substring(0, 3000); // Limit to 3000 characters to avoid token limits
647 +
648 + // Only return context if we have meaningful content
649 + const result = (!pageContent || pageContent.length < 50) ? null : {
650 + url: pageUrl,
651 + title: pageTitle,
652 + content: pageContent
653 + };
654 + pageContextCache = { key: cacheKey, value: result };
655 + return result;
570 656 }
571 -
572 - // Only return context if we have meaningful content
573 - if (!pageContent || pageContent.length < 50) {
574 - return null;
575 - }
576 -
577 - return {
578 - url: pageUrl,
579 - title: pageTitle,
580 - content: pageContent
581 - };
657 +
658 + return null;
582 659 }
583 660
584 661 // Track originating page when chat starts
585 662 function trackOriginatingPage() {
@@ -770,9 +847,12 @@
770 847 if (typeof customMxChatFilter === 'function') {
771 848 message = customMxChatFilter(message, "prompt");
772 849 }
773 850
774 - if (message) {
851 + // Whitespace-only is empty: nothing is sent and nothing is disabled. When
852 + // there IS a message the original string (spaces and all) is what goes out,
853 + // so the transcript is unchanged (plan b67fd5).
854 + if (message && String(message).trim() !== '') {
775 855 // Don't disable input in live agent mode - let users chat freely
776 856 var modeIndicator = getElementDOM(botId, 'chat-mode-indicator');
777 857 var isAgentMode = modeIndicator && modeIndicator.textContent === 'Live Agent';
778 858 if (!isAgentMode) {
@@ -816,8 +896,14 @@
816 896 if (typeof customMxChatFilter === 'function') {
817 897 message = customMxChatFilter(message, "prompt");
818 898 }
819 899
900 + // Nothing to send means nothing to disable (plan b67fd5): a caller handing
901 + // over an empty string must not lock the box the way Enter-on-empty did.
902 + if (!message || String(message).trim() === '') {
903 + return;
904 + }
905 +
820 906 // Don't disable input in live agent mode - let users chat freely
821 907 var modeIndicator = getElementDOM(botId, 'chat-mode-indicator');
822 908 var isAgentMode = modeIndicator && modeIndicator.textContent === 'Live Agent';
823 909 if (!isAgentMode) {
@@ -1220,11 +1306,26 @@
1220 1306 let testingDataReceived = false;
1221 1307 let streamingStarted = false;
1222 1308 // Server-pushed html to append as its OWN bot bubble once the stream
1223 1309 // finishes (e.g. the consent-safe YouTube embed, plan 03ba33). Rendering is
1224 - // deferred to [DONE] so the embed always lands BELOW the streamed text.
1310 + // deferred to the end of the stream so the embed always lands BELOW the
1311 + // streamed text.
1225 1312 let pendingAppendHtml = '';
1226 1313
1314 + // Render the stashed appendix as its own bot bubble below the streamed
1315 + // text — mirrors how it is saved in the transcript, so history replays
1316 + // identically. Called from BOTH ends of a stream: the [DONE] line and
1317 + // the stream simply closing (the OpenAI Responses path and Gemini end
1318 + // without a [DONE] line). The stash is cleared, so a stream that sends
1319 + // [DONE] and then closes renders it once. Any future appendix-type
1320 + // event belongs in here, not in one of the two branches.
1321 + function flushAppendHtml() {
1322 + if (pendingAppendHtml) {
1323 + appendMessage("bot", "", pendingAppendHtml, [], false, botId);
1324 + pendingAppendHtml = '';
1325 + }
1326 + }
1327 +
1227 1328 // Abortable stream: a fresh controller per turn, keyed by bot instance.
1228 1329 // The Stop control (send button swapped in place) aborts both the read
1229 1330 // loop and the underlying request.
1230 1331 var streamControl = { controller: new AbortController(), aborted: false };
@@ -1305,8 +1406,10 @@
1305 1406
1306 1407 // Re-enable chat input when stream ends with content
1307 1408 enableChatInput(botId);
1308 1409
1410 + flushAppendHtml();
1411 +
1309 1412 // Scroll the user's last message to the top now that the
1310 1413 // bot's full reply has rendered (gives max reading room).
1311 1414 var $chatBoxDone = getElement(botId, 'chat-box');
1312 1415 var $lastUserMsgDone = $chatBoxDone.find('.user-message').last();
@@ -1337,16 +1440,9 @@
1337 1440
1338 1441 // Re-enable chat input after streaming completes
1339 1442 enableChatInput(botId);
1340 1443
1341 - // Render any server-pushed appendix html (e.g. the
1342 - // YouTube embed) as its own bot bubble below the
1343 - // streamed text — mirrors how it is saved in the
1344 - // transcript, so history replays identically.
1345 - if (pendingAppendHtml) {
1346 - appendMessage("bot", "", pendingAppendHtml, [], false, botId);
1347 - pendingAppendHtml = '';
1348 - }
1444 + flushAppendHtml();
1349 1445
1350 1446 // Scroll the user's last message to the top now
1351 1447 // that the bot's full reply has rendered.
1352 1448 var $chatBoxStreamDone = getElement(botId, 'chat-box');
@@ -1676,25 +1772,21 @@
1676 1772 if (this.__mxchatStopJustShown) return;
1677 1773 mxchatStopStreaming(botId);
1678 1774 return;
1679 1775 }
1680 - var modeIndicator = getElementDOM(botId, 'chat-mode-indicator');
1681 - if (!(modeIndicator && modeIndicator.textContent === 'Live Agent')) {
1682 - disableChatInput(botId);
1683 - }
1776 + // sendMessage() owns the disable - see the Enter handler below (plan b67fd5).
1684 1777 sendMessage(botId);
1685 1778 });
1686 1779
1687 -// Override enter key handler (using event delegation)
1780 +// Enter sends, Shift+Enter inserts a newline (using event delegation).
1781 +// sendMessage() owns the disable: it greys the box only when a real message is
1782 +// about to go out. Disabling here first left the widget locked for good after
1783 +// Enter on an empty box - the send returned early and no reply path ever
1784 +// re-enabled it (plan b67fd5).
1688 1785 $(document).on('keypress', '.chat-input', function(e) {
1689 1786 if (e.which == 13 && !e.shiftKey) {
1690 1787 e.preventDefault();
1691 - var botId = getBotIdFromElement(this);
1692 - var modeIndicator = getElementDOM(botId, 'chat-mode-indicator');
1693 - if (!(modeIndicator && modeIndicator.textContent === 'Live Agent')) {
1694 - disableChatInput(botId);
1695 - }
1696 - sendMessage(botId);
1788 + sendMessage(getBotIdFromElement(this));
1697 1789 }
1698 1790 });
1699 1791
1700 1792 // Chat input character counter + soft limit feedback (plan 7091a2).
@@ -2169,8 +2261,56 @@
2169 2261 // Error rendering message - silently continue
2170 2262 }
2171 2263 }
2172 2264
2265 +// Link clicks in bot and agent messages: the click is recorded, the browser
2266 +// follows the anchor itself. Navigation must not wait for the tracking
2267 +// request: a window.open() made from that request's callback is outside the
2268 +// visitor's tap, and Safari's pop-up blocker drops it without a message.
2269 +
2270 +// Give a tracked anchor the target it should open in, and noopener on a new tab.
2271 +function prepareTrackedLink($link) {
2272 + if (linkTarget === '_blank' && $link.attr('target') !== '_blank') {
2273 + $link.attr('target', '_blank');
2274 + }
2275 + if ($link.attr('target') === '_blank') {
2276 + var rel = $link.attr('rel') || '';
2277 + if (!/(^|\s)noopener(\s|$)/.test(rel)) {
2278 + $link.attr('rel', $.trim(rel + ' noopener'));
2279 + }
2280 + }
2281 +}
2282 +
2283 +// Record one click, fire-and-forget. sendBeacon survives the page unloading
2284 +// when the link opens in the same tab.
2285 +function trackLinkClick(href, messageContext, botId) {
2286 + var fields = {
2287 + action: 'mxchat_track_url_click',
2288 + session_id: getChatSession(botId),
2289 + url: href,
2290 + message_context: messageContext,
2291 + nonce: mxchatChat.nonce
2292 + };
2293 + try {
2294 + if (navigator.sendBeacon && typeof FormData !== 'undefined') {
2295 + var body = new FormData();
2296 + $.each(fields, function(name, value) {
2297 + body.append(name, value == null ? '' : value);
2298 + });
2299 + if (navigator.sendBeacon(mxchatChat.ajax_url, body)) {
2300 + return;
2301 + }
2302 + }
2303 + } catch (error) {
2304 + // Fall through to the plain request
2305 + }
2306 + $.ajax({
2307 + url: mxchatChat.ajax_url,
2308 + type: 'POST',
2309 + data: fields
2310 + });
2311 +}
2312 +
2173 2313 // Helper function to attach link tracking with proper event handling
2174 2314 function attachLinkTracking(messageDiv, messageText, botId) {
2175 2315 botId = botId || 'default';
2176 2316 // Use a slight delay to ensure DOM is ready
@@ -2188,11 +2328,13 @@
2188 2328 if (originalHref && (originalHref.startsWith('http://') || originalHref.startsWith('https://'))) {
2189 2329 // Remove any existing click handlers first
2190 2330 $link.off('click.tracking');
2191 2331
2332 + // The anchor carries its own target: the browser follows it
2333 + prepareTrackedLink($link);
2334 +
2192 2335 // Add new click handler with namespace
2193 2336 $link.on('click.tracking', function(e) {
2194 - e.preventDefault();
2195 2337 e.stopPropagation();
2196 2338
2197 2339 const messageContext = typeof messageText === 'string'
2198 2340 ? messageText.substring(0, 200)
@@ -2197,30 +2339,10 @@
2197 2339 const messageContext = typeof messageText === 'string'
2198 2340 ? messageText.substring(0, 200)
2199 2341 : '';
2200 2342
2201 - // Track the click
2202 - $.ajax({
2203 - url: mxchatChat.ajax_url,
2204 - type: 'POST',
2205 - data: {
2206 - action: 'mxchat_track_url_click',
2207 - session_id: getChatSession(botId),
2208 - url: originalHref,
2209 - message_context: messageContext,
2210 - nonce: mxchatChat.nonce
2211 - },
2212 - complete: function() {
2213 - // Always redirect, even if tracking fails
2214 - if ($link.attr('target') === '_blank' || linkTarget === '_blank') {
2215 - window.open(originalHref, '_blank');
2216 - } else {
2217 - window.location.href = originalHref;
2218 - }
2219 - }
2220 - });
2221 -
2222 - return false; // Extra insurance to prevent default
2343 + prepareTrackedLink($link);
2344 + trackLinkClick(originalHref, messageContext, botId);
2223 2345 });
2224 2346 }
2225 2347 });
2226 2348 }, 100); // Small delay to ensure DOM is ready
@@ -2260,13 +2382,16 @@
2260 2382
2261 2383 if (images.length > 0) {
2262 2384 fullMessage += '<div class="image-gallery" dir="auto">';
2263 2385 images.forEach(img => {
2386 + const safeTitle = sanitizeUserInput(img.title);
2387 + const safeUrl = escapeAttr(img.image_url);
2388 + const safeThumbnail = escapeAttr(img.thumbnail_url);
2264 2389 fullMessage += `
2265 2390 <div style="margin-bottom: 10px;">
2266 - <strong>${img.title}</strong><br>
2267 - <a href="${img.image_url}" target="_blank">
2268 - <img src="${img.thumbnail_url}" alt="${img.title}" style="max-width: 100px; height: auto; margin: 5px;" />
2391 + <strong>${safeTitle}</strong><br>
2392 + <a href="${safeUrl}" target="_blank">
2393 + <img src="${safeThumbnail}" alt="${safeTitle}" style="max-width: 100px; height: auto; margin: 5px;" />
2269 2394 </a>
2270 2395 </div>`;
2271 2396 });
2272 2397 fullMessage += '</div>';
@@ -2385,27 +2510,42 @@
2385 2510 // Check for % followed by exactly 2 hex digits
2386 2511 return /%[0-9a-fA-F]{2}/.test(url);
2387 2512 }
2388 2513
2389 - // Helper function to safely encode URLs only if needed
2514 + // Helper function to safely encode URLs only if needed, then make the
2515 + // result attribute-safe. "Don't double-encode an already-encoded URL"
2516 + // used to mean "return it untouched" — so a literal quote riding next
2517 + // to a %20 reached href="…" intact and closed the attribute
2518 + // (plan 2db182). Every href this function feeds now goes through
2519 + // escapeAttr(), whether or not the URL was already percent-encoded.
2390 2520 function safeEncodeUrl(url) {
2391 - // If URL already contains encoded characters, return as-is
2392 - if (isUrlEncoded(url)) {
2393 - return url;
2394 - }
2395 - // Otherwise, encode it
2396 - return encodeURI(url);
2521 + const encoded = isUrlEncoded(url) ? url : encodeURI(url);
2522 + return escapeAttr(encoded);
2397 2523 }
2398 2524
2399 - // Process markdown headers FIRST
2400 - let processedText = formatMarkdownHeaders(inputText);
2401 -
2525 + // Take backslash escapes and code (fenced + inline) out of the text FIRST
2526 + // (plan 9dc34f). Styling used to run before formatCodeBlocks(), so a
2527 + // backtick could not protect an underscore and \_ was not an escape at
2528 + // all; the header rule also ran over fenced code. Each escape becomes a
2529 + // placeholder carrying its literal character, each code span a
2530 + // placeholder carrying its rendered HTML; both are restored below, after
2531 + // the styling rules have run, so nothing downstream changes.
2532 + const literals = protectLiterals(inputText);
2533 + let processedText = literals.text;
2534 +
2535 + // Process markdown headers
2536 + processedText = formatMarkdownHeaders(processedText);
2537 +
2402 2538 // Process text styling (bold, italic, strikethrough)
2403 2539 processedText = formatTextStyling(processedText);
2404 -
2405 - // Process code blocks BEFORE processing links
2540 +
2541 + // Legacy raw <?php ... ?> blocks (fenced + inline code were already
2542 + // rendered inside protectLiterals) — still BEFORE processing links
2406 2543 processedText = formatCodeBlocks(processedText);
2407 2544
2545 + // Put the rendered code and the escaped characters back
2546 + processedText = literals.restore(processedText);
2547 +
2408 2548 // Process markdown tables BEFORE converting newlines to paragraphs
2409 2549 processedText = formatMarkdownTables(processedText);
2410 2550
2411 2551 // NOW convert to paragraphs
@@ -2417,10 +2557,13 @@
2417 2557 processedText = processedText.replace(/\[(https?:\/\/[^\]]+)\]/g, (match, url) => {
2418 2558 // Clean the URL of any trailing punctuation
2419 2559 let cleanUrl = url.replace(/[.,;!?]+$/, '');
2420 2560 const safeUrl = safeEncodeUrl(cleanUrl);
2561 + // The bracket body is the only link text that can carry angle
2562 + // brackets (the standalone matcher excludes them) — keep it text.
2563 + const safeText = cleanUrl.replace(/</g, '&lt;').replace(/>/g, '&gt;');
2421 2564 // Return as a proper link without the brackets
2422 - return `<a href="${safeUrl}" target="${linkTarget}">${cleanUrl}</a>`;
2565 + return `<a href="${safeUrl}" target="${linkTarget}">${safeText}</a>`;
2423 2566 });
2424 2567
2425 2568 // Process markdown links: [text](url) and [](url)
2426 2569 // Uses balanced parenthesis matching to handle URLs containing parens
@@ -2494,9 +2637,17 @@
2494 2637 });
2495 2638
2496 2639 // Process standalone URLs - but NOT if they're already in <a> tags or brackets
2497 2640 // Updated pattern to be more careful about what it matches
2498 - const urlPattern = /(^|[^">=\[\]])(https?:\/\/[^\s<"\[\]]+)(?![^<]*<\/a>)(?!\])/gim;
2641 + //
2642 + // The prefix group (plan 78618d) is the start of a line, an ordinary
2643 + // character, OR a tag this formatter itself opened or closed (paragraph,
2644 + // list item, table cell, heading, emphasis, line break), so an address
2645 + // that opens a paragraph or sits inside **bold** is linked too. Never
2646 + // an anchor (its text would be linked twice; the lookahead guards that
2647 + // as well) and never a code span, which stays as typed. No lookbehind,
2648 + // for Safari.
2649 + const urlPattern = /(^|[^">=\[\]]|<\/?(?:p|li|td|th|h[1-6]|strong|em|b|i|del|br)(?:\s[^<>]*)?\/?>)(https?:\/\/[^\s<"\[\]]+)(?![^<]*<\/a>)(?!\])/gim;
2499 2650 processedText = processedText.replace(urlPattern, (match, prefix, url) => {
2500 2651 // Extra check: make sure this isn't already linked
2501 2652 if (match.includes('href=') || match.includes('</a>')) {
2502 2653 return match;
@@ -2507,10 +2658,14 @@
2507 2658 const safeUrl = safeEncodeUrl(cleanUrl);
2508 2659 return `${prefix}<a href="${safeUrl}" target="${linkTarget}">${cleanUrl}</a>`;
2509 2660 });
2510 2661
2511 - // Process www. URLs - but NOT if they're already in <a> tags or brackets
2512 - const wwwPattern = /(^|[^">/\[\]])(www\.[\S]+)(?![^<]*<\/a>)(?!\])/gim;
2662 + // Process www. URLs - but NOT if they're already in <a> tags or brackets.
2663 + // The address stops at the same characters the https pattern stops at
2664 + // (plan 78618d): it used to run through the closing paragraph tag, so
2665 + // "Try www.example.com/page." linked to www.example.com/page.%3C/p%3E.
2666 + // Same prefix group as the https pattern, same reasons.
2667 + const wwwPattern = /(^|[^">/\[\]]|<\/?(?:p|li|td|th|h[1-6]|strong|em|b|i|del|br)(?:\s[^<>]*)?\/?>)(www\.[^\s<"\[\]]+)(?![^<]*<\/a>)(?!\])/gim;
2513 2668 processedText = processedText.replace(wwwPattern, (match, prefix, url) => {
2514 2669 // Extra check: make sure this isn't already linked
2515 2670 if (match.includes('href=') || match.includes('</a>')) {
2516 2671 return match;
@@ -2524,8 +2679,30 @@
2524 2679
2525 2680 return processedText;
2526 2681 }
2527 2682
2683 + // One left-to-right pass over backslash escapes and code (plan 9dc34f).
2684 + // A single alternation keeps the two honest with each other: an escaped
2685 + // backtick is consumed as an escape before it can open a code span, and a
2686 + // code span is consumed whole so the escapes inside it stay verbatim.
2687 + // Placeholders are private-use characters — no underscore, asterisk,
2688 + // backtick, hash, pipe or bracket for a later rule to match.
2689 + function protectLiterals(text) {
2690 + const store = [];
2691 + const out = String(text).replace(/\\([\\`*_~])|(```[\s\S]*?```)|(`[^`\n]+`)/g, function(match, escaped) {
2692 + store.push(escaped !== undefined ? escaped : formatCodeBlocks(match));
2693 + return '\uE000' + (store.length - 1) + '\uE001';
2694 + });
2695 + return {
2696 + text: out,
2697 + restore: function(t) {
2698 + return String(t).replace(/\uE000(\d+)\uE001/g, function(m, i) {
2699 + return store[Number(i)];
2700 + });
2701 + }
2702 + };
2703 + }
2704 +
2528 2705 function formatMarkdownHeaders(text) {
2529 2706 // Handle h1 to h6 headers
2530 2707 return text.replace(/^(#{1,6})\s+(.+)$/gm, function(match, hashes, content) {
2531 2708 const level = hashes.length;
@@ -2552,13 +2729,19 @@
2552 2729 protectedSegments.push(match);
2553 2730 return placeholder;
2554 2731 });
2555 2732
2556 - // Step 1c: Also protect bare URLs that might exist
2733 + // Step 1c: Also protect bare URLs that might exist. Trailing emphasis
2734 + // markers are not part of the address (plan 78618d): **https://x.com**
2735 + // used to protect "https://x.com**", so the bold never paired and the
2736 + // asterisks ended up inside the link. The markers stay outside the
2737 + // placeholder so the styling rules below can pair them.
2557 2738 protectedText = protectedText.replace(/(https?:\/\/[^\s<>"]+)/gi, function(match) {
2739 + const markers = match.match(/[*_~]+$/);
2740 + const url = markers ? match.slice(0, match.length - markers[0].length) : match;
2558 2741 const placeholder = `__PROTECTED_${protectedSegments.length}__`;
2559 - protectedSegments.push(match);
2560 - return placeholder;
2742 + protectedSegments.push(url);
2743 + return placeholder + (markers ? markers[0] : '');
2561 2744 });
2562 2745
2563 2746 // Step 2: Now apply text styling to the protected text
2564 2747 // Handle bold text (**text**)
@@ -2567,11 +2750,24 @@
2567 2750 // Handle italic text (*text* or _text_) - Safari-compatible (no lookbehind)
2568 2751 // Match single asterisks that aren't part of bold (**) by checking they're not followed/preceded by another *
2569 2752 protectedText = protectedText.replace(/(?!\*\*)\*([^*\n]+)\*(?!\*)/g, '<em>$1</em>');
2570 2753
2571 - // Handle underscores for italic - Safari-compatible (no lookbehind)
2572 - // Exclude __PROTECTED_N__ placeholders by checking the content doesn't contain PROTECTED
2573 - protectedText = protectedText.replace(/(?!__)_((?!PROTECTED)[^_\n]+)_(?!_)/g, '<em>$1</em>');
2754 + // Handle underscores for italic - Safari-compatible (no lookbehind), and
2755 + // word-bounded (plan 9dc34f): the opener must follow the start of the
2756 + // text or a non-word character, the closer must precede the end or a
2757 + // non-word character, and the content may not start or end with a
2758 + // space. So my_var_name, MXCHAT_API_KEY and snake_case stay as typed
2759 + // while "use _this_ word" still italicises. A token whose content is
2760 + // entirely upper-case letters and digits (_VALUE_, _ID_) is a placeholder
2761 + // convention, not prose emphasis — it is left verbatim too (ticket 440).
2762 + // __PROTECTED_N__ placeholders cannot match: their underscores are all
2763 + // adjacent to another underscore or a word character.
2764 + protectedText = protectedText.replace(/(^|[^\p{L}\p{N}_])_((?!PROTECTED)[^\s_](?:[^_\n]*[^\s_])?)_(?![\p{L}\p{N}_])/gu, function(match, before, content) {
2765 + if (/^[\p{Lu}\p{N}]+$/u.test(content)) {
2766 + return match;
2767 + }
2768 + return before + '<em>' + content + '</em>';
2769 + });
2574 2770
2575 2771 // Handle strikethrough (~~text~~)
2576 2772 protectedText = protectedText.replace(/~~(.*?)~~/g, '<del>$1</del>');
2577 2773
@@ -2705,8 +2901,24 @@
2705 2901 div.textContent = text;
2706 2902 return div.innerHTML;
2707 2903 }
2708 2904
2905 + // Attribute-safe URL for href="…" / src="…" interpolation (plan 2db182).
2906 + // Percent-encodes the characters that can end or extend an attribute.
2907 + // Valid in every scheme the widget emits (http, https, tel, mailto) and
2908 + // never changes where a legitimate link resolves — encodeURI() already
2909 + // produces most of these, this just guarantees them for URLs that skip
2910 + // encodeURI() because they were percent-encoded on arrival.
2911 + function escapeAttr(url) {
2912 + return String(url)
2913 + .replace(/"/g, '%22')
2914 + .replace(/'/g, '%27')
2915 + .replace(/</g, '%3C')
2916 + .replace(/>/g, '%3E')
2917 + .replace(/`/g, '%60')
2918 + .replace(/ /g, '%20');
2919 + }
2920 +
2709 2921 function escapeHtml(unsafe) {
2710 2922 // Skip escaping if it's already escaped or contains HTML code block markup
2711 2923 if (unsafe.includes('&lt;') || unsafe.includes('&gt;') ||
2712 2924 unsafe.includes('<pre><code') || unsafe.includes('</code></pre>')) {
@@ -3110,8 +3322,17 @@
3110 3322 var content = message.content;
3111 3323 content = content.replace(/\\'/g, "'").replace(/\\"/g, '"');
3112 3324 content = decodeHTMLEntities(content);
3113 3325
3326 + // A visitor's own rows get the same treatment as the
3327 + // live turn (appendMessage escapes user text before
3328 + // linkify). Without this a replayed user message came
3329 + // back as live markup after a refresh (plan 2db182).
3330 + // Bot/agent rows are trusted HTML and stay as they were.
3331 + if (message.role === 'user') {
3332 + content = sanitizeUserInput(content);
3333 + }
3334 +
3114 3335 // Skip linkify for messages containing structured HTML
3115 3336 // (forms, product cards, galleries, etc.) to avoid
3116 3337 // markdown formatting corrupting HTML attributes
3117 3338 // (e.g. underscores in name="field_name" becoming <em> tags).
@@ -3494,8 +3715,9 @@
3494 3715 $(this).addClass('hidden').attr('aria-expanded', 'true');
3495 3716 $badge.hide(); // Hide notification when opening chat
3496 3717 disableScroll();
3497 3718 $preChat.fadeOut(250);
3719 + mxchatFireOpened(botId);
3498 3720
3499 3721 // First open per page load: re-fetch behavior settings in case
3500 3722 // this page's inline values came from a stale full-page cache
3501 3723 // (plan-32db95). Idempotent — later opens are a no-op.
@@ -3764,9 +3986,12 @@
3764 3986 $('.chat-toolbar').show();
3765 3987 } else {
3766 3988 $('.chat-toolbar').hide();
3767 3989 }
3768 -
3990 + // Toolbar pass done — server-rendered add-on items can bind (plan 65c9b6).
3991 + MxChatInstances.toolbarReady = true;
3992 + mxchatDispatch('mxchat:toolbar-ready', { enabled: mxchatChat.chat_toolbar_toggle === 'on' });
3993 +
3769 3994 // Apply toolbar icon colors
3770 3995 const toolbarElements = [
3771 3996 '#mxchat-chatbot .toolbar-btn svg',
3772 3997 '#mxchat-chatbot .active-pdf-name',
@@ -4041,14 +4266,25 @@
4041 4266 return response.json();
4042 4267 })
4043 4268 .then((data) => {
4044 4269 if (data.success) {
4045 - if (data.data.logged_in || data.data.email) {
4270 + // A success response means the server has already decided the
4271 + // required info is on file. With email optional (c0cfaf) that
4272 + // info can be a name and no address, so keying on data.email
4273 + // alone re-prompted a name-only visitor on every page load.
4274 + if (data.data.logged_in || data.data.email || data.data.name) {
4046 4275 showChatContainerForBot(botId);
4047 4276 } else {
4048 4277 showEmailFormForBot(botId);
4049 4278 }
4050 4279 } else {
4280 + // Pre-fill for a signed-in visitor being shown the form
4281 + // (c0cfaf). It arrives on this nocache'd response rather than
4282 + // in the page HTML, which is cacheable. Never overwrite what
4283 + // the visitor has already typed.
4284 + if (data.data) {
4285 + prefillEmailForm(botId, data.data.prefill_name, data.data.prefill_email);
4286 + }
4051 4287 showEmailFormForBot(botId);
4052 4288 }
4053 4289 })
4054 4290 .catch((error) => {
@@ -4055,8 +4291,19 @@
4055 4291 showEmailFormForBot(botId);
4056 4292 });
4057 4293 }
4058 4294
4295 + function prefillEmailForm(botId, name, email) {
4296 + var nameInput = getElementDOM(botId, 'user-name');
4297 + var emailInput = getElementDOM(botId, 'user-email');
4298 + if (nameInput && name && !nameInput.value) {
4299 + nameInput.value = name;
4300 + }
4301 + if (emailInput && email && !emailInput.value) {
4302 + emailInput.value = email;
4303 + }
4304 + }
4305 +
4059 4306 // Event delegation for email form submission
4060 4307 $(document).on('submit', '.email-collection-form', function(e) {
4061 4308 e.preventDefault();
4062 4309 e.stopPropagation();
@@ -4074,19 +4321,29 @@
4074 4321 var userEmail = emailInput ? emailInput.value.trim() : '';
4075 4322 var userName = nameInput ? nameInput.value.trim() : '';
4076 4323 var sessionId = MxChatInstances.ensureSession(botId);
4077 4324
4078 - // Validate email
4079 - if (!userEmail) {
4325 + // Validate email. The address is optional when the owner turned
4326 + // "Require Email Address" off (c0cfaf) — but anything actually typed
4327 + // still has to be a valid address. The server enforces both rules
4328 + // independently.
4329 + var emailRequired = (mxchatChat.lead_capture_require_email || 'on') !== 'off';
4330 +
4331 + if (emailRequired && !userEmail) {
4080 4332 showEmailError(botId, 'Please enter your email address.');
4081 4333 return false;
4082 4334 }
4083 4335
4084 - if (!isValidEmailAddress(userEmail)) {
4336 + if (userEmail && !isValidEmailAddress(userEmail)) {
4085 4337 showEmailError(botId, 'Please enter a valid email address.');
4086 4338 return false;
4087 4339 }
4088 4340
4341 + if (!emailRequired && !userEmail && !userName) {
4342 + showEmailError(botId, 'Please enter your name or email address.');
4343 + return false;
4344 + }
4345 +
4089 4346 // Validate name if field exists and has content
4090 4347 if (nameInput && userName && !isValidNameInput(userName)) {
4091 4348 showEmailError(botId, 'Please enter a valid name (2-100 characters).');
4092 4349 return false;
@@ -4242,8 +4499,9 @@
4242 4499 $chatbot.removeClass('hidden').addClass('visible');
4243 4500 getElement(botId, 'floating-chatbot-button').addClass('hidden');
4244 4501 handlePreChatDismissal(botId);
4245 4502 disableScroll(); // Disable scroll when chatbot opens
4503 + mxchatFireOpened(botId);
4246 4504
4247 4505 // Load chat history for returning visitors (persistence)
4248 4506 var chatPersistenceEnabled = typeof mxchatChat !== 'undefined' && mxchatChat.chat_persistence_toggle === 'on';
4249 4507 if (chatPersistenceEnabled) {
@@ -4350,14 +4608,8 @@
4350 4608 if (messageDiv.length > 0) {
4351 4609 const originalHref = $link.attr('href');
4352 4610
4353 4611 if (originalHref && (originalHref.startsWith('http://') || originalHref.startsWith('https://'))) {
4354 - e.preventDefault();
4355 - e.stopPropagation();
4356 -
4357 - // Mark as tracked
4358 - $link.attr('data-tracked', 'true');
4359 -
4360 4612 // Get bot ID from the chat box context
4361 4613 var botId = getBotIdFromElement(this);
4362 4614
4363 4615 // Get message context from the message div
@@ -4362,28 +4614,12 @@
4362 4614
4363 4615 // Get message context from the message div
4364 4616 const messageText = messageDiv.text().substring(0, 200);
4365 4617
4366 - $.ajax({
4367 - url: mxchatChat.ajax_url,
4368 - type: 'POST',
4369 - data: {
4370 - action: 'mxchat_track_url_click',
4371 - session_id: getChatSession(botId),
4372 - url: originalHref,
4373 - message_context: messageText,
4374 - nonce: mxchatChat.nonce
4375 - },
4376 - complete: function() {
4377 - if ($link.attr('target') === '_blank' || linkTarget === '_blank') {
4378 - window.open(originalHref, '_blank');
4379 - } else {
4380 - window.location.href = originalHref;
4381 - }
4382 - }
4383 - });
4384 -
4385 - return false;
4618 + // Same path as attachLinkTracking(): set the target, record the
4619 + // click, and let the browser follow the anchor.
4620 + prepareTrackedLink($link);
4621 + trackLinkClick(originalHref, messageText, botId);
4386 4622 }
4387 4623 }
4388 4624 });
4389 4625
@@ -4409,8 +4645,15 @@
4409 4645 // Initialize chat visibility for all instances
4410 4646 $('.mxchat-chatbot-wrapper').each(function() {
4411 4647 var botId = $(this).data('bot-id') || 'default';
4412 4648 initializeChatVisibility(botId);
4649 + // An embedded widget is on screen from the first paint; a floating one
4650 + // reports mxchat:opened when its window is shown (plan 65c9b6).
4651 + if (isEmbeddedBot(botId)) {
4652 + mxchatFireOpened(botId);
4653 + } else {
4654 + mxchatWatchForOpen(botId);
4655 + }
4413 4656 });
4414 4657
4415 4658 // Make functions globally available for add-ons
4416 4659 window.hasQuickQuestions = hasQuickQuestions;