feat(wechat): channel split with stub-safe page delivery

Introduce wechat/ channel package; never send stub HTML links to service-account users.
2026-07-04 05:21:13 +00:00
parent f36e8b9292
commit 2a3579c73a
8 changed files with 413 additions and 24 deletions
@@ -0,0 +1,56 @@
+import fs from 'node:fs';
+
+const STUB_MARKERS = ['临时补出', '服务号兜底', '服务号自动补出简版页面'];
+
+export function isStubPublicHtmlContent(content) {
+  const value = String(content ?? '');
+  return STUB_MARKERS.some((marker) => value.includes(marker));
+}
+
+export function artifactFileExists(artifact) {
+  const localPath = String(artifact?.localPath ?? '').trim();
+  if (!localPath) return false;
+  try {
+    return fs.existsSync(localPath) && fs.statSync(localPath).isFile();
+  } catch {
+    return false;
+  }
+}
+
+export function isStubPublicHtmlArtifact(artifact) {
+  const localPath = String(artifact?.localPath ?? '').trim();
+  if (!localPath) return false;
+  try {
+    return isStubPublicHtmlContent(fs.readFileSync(localPath, 'utf8'));
+  } catch {
+    return false;
+  }
+}
+
+/** Real HTML artifacts only — never fall back to stub placeholders. */
+export function filterSendableHtmlArtifacts(artifacts = []) {
+  return artifacts.filter((artifact) => artifactFileExists(artifact) && !isStubPublicHtmlArtifact(artifact));
+}
+
+export function selectSendableHtmlArtifacts({ verifiedArtifacts = [], confirmedArtifacts = [] } = {}) {
+  const candidates = verifiedArtifacts.length > 0 ? verifiedArtifacts : confirmedArtifacts;
+  return filterSendableHtmlArtifacts(candidates);
+}
+
+export function verifyPageArtifactContent(artifact, { minBytes = 512 } = {}) {
+  if (!artifactFileExists(artifact)) {
+    return { ok: false, reason: 'missing_file' };
+  }
+  if (isStubPublicHtmlArtifact(artifact)) {
+    return { ok: false, reason: 'stub_placeholder' };
+  }
+  const size = fs.statSync(artifact.localPath).size;
+  if (size < minBytes) {
+    return { ok: false, reason: 'too_small' };
+  }
+  const content = fs.readFileSync(artifact.localPath, 'utf8');
+  if (!/<(?:html|body|main|article)\b/i.test(content)) {
+    return { ok: false, reason: 'not_html_document' };
+  }
+  return { ok: true, reason: null };
+}