feat: finalize mindspace service extraction phase a

2026-07-03 08:40:28 +08:00
parent 506a551438
commit ec5b1a6e3f
32 changed files with 2834 additions and 490 deletions
@@ -0,0 +1,82 @@
+import path from 'node:path';
+
+export async function handleMindSpaceLongImageDownload({
+  query,
+  filePath,
+  pageUrl = null,
+  res,
+  isLongImageDownloadRequest,
+  longImagePathForHtml,
+  renderLongImage,
+} = {}) {
+  if (!isLongImageDownloadRequest?.(query)) return false;
+  const longImagePath = longImagePathForHtml(filePath);
+  try {
+    await renderLongImage(pageUrl
+      ? { url: pageUrl, outputPath: longImagePath }
+      : { htmlPath: filePath, outputPath: longImagePath });
+    res.set('Cache-Control', 'no-store');
+    res.download(longImagePath, path.basename(longImagePath), (err) => {
+      if (err && !res.headersSent) res.status(404).json({ message: '长图文件不存在' });
+    });
+  } catch (error) {
+    res
+      .status(500)
+      .type('text/plain; charset=utf-8')
+      .send(`长图生成失败：${error?.message || '未知错误'}`);
+  }
+  return true;
+}
+
+export function decorateMindSpacePublishedHtml({
+  html,
+  embed = false,
+  context,
+  userAgent = '',
+  preparePublicationHtmlForEmbed,
+  injectOgTags,
+  injectWechatShareBridge,
+  injectPublicFileShareButton,
+  publishedPageCsp,
+  isWechatUserAgent,
+} = {}) {
+  let nextHtml = html;
+  let allowEmbedFrame = false;
+
+  if (embed) {
+    nextHtml = preparePublicationHtmlForEmbed(nextHtml);
+    allowEmbedFrame = true;
+  }
+
+  try {
+    nextHtml = injectOgTags(nextHtml, {
+      origin: context.origin,
+      pageUrl: context.pageUrl,
+      pageDirUrl: context.pageDirUrl,
+      fallbackImageUrl: context.fallbackImageUrl,
+    });
+    const wechatShare = !embed && isWechatUserAgent(userAgent || '');
+    if (wechatShare) {
+      nextHtml = injectWechatShareBridge(nextHtml, { pageUrl: context.pageUrl });
+    }
+    const shareInjection = !embed
+      ? injectPublicFileShareButton(nextHtml)
+      : { html: nextHtml, scriptHashes: [] };
+    nextHtml = shareInjection.html;
+    return {
+      html: nextHtml,
+      csp: publishedPageCsp(nextHtml, {
+        embed,
+        wechatShare,
+        scriptHashes: shareInjection.scriptHashes,
+      }),
+      allowEmbedFrame,
+    };
+  } catch {
+    return {
+      html: nextHtml,
+      csp: publishedPageCsp(nextHtml, { embed }),
+      allowEmbedFrame,
+    };
+  }
+}