fix: fallback qdreader uid to ywguid

docs/qx-rewrite-lessons.md

@@ -32,7 +32,10 @@ hostname = h5.if.qidian.com
 
 4. 不要在弹窗正文加说明、账号数、变量名、截断摘要；BOSS 要直接复制整段命令。
 5. 失败弹窗可以保留简短错误，例如“请求中没有 Cookie”“无法识别 uid”。
-6. Rewrite 类型按实际取值选择：
+6. uid 识别优先级：
+   - `QDHeader` 第一段是有效数字 uid 时优先使用；
+   - 响应体里递归查找 `UserId` / `userId` / `uid`；
+   - 若 `QDHeader` 第一段是 `(null)`，回退到 Cookie 里的 `ywguid` / `gwguid` / `guid`，避免通知标题显示 `uid:null`。
    - 只读请求头 Cookie：`script-request-header` 即可；
    - 需要读取响应 body 辅助解析 uid：用 `script-response-body`。
    QDReader 当前需要兼容从响应 body 取 `UserId`，所以使用 `script-response-body`。

js/qdreader_cookie.js

@@ -31,17 +31,23 @@ function b64decode(s) {
   while (raw.length % 4) raw += '='
   try { return decodeURIComponent(escape(atob(raw))) } catch (e) { return '' }
 }
+function isRealUid(uid) {
+  uid = String(uid === undefined || uid === null ? '' : uid).trim()
+  return /^\d{5,}$/.test(uid) ? uid : ''
+}
 function uidFromQDHeader(qdheader) {
   const decoded = b64decode(qdheader)
-  return decoded ? String(decoded.split('|')[0] || '').trim() : ''
+  if (!decoded) return ''
+  const parts = decoded.split('|').map(x => String(x || '').trim())
+  return isRealUid(parts[0])
 }
 function parseJson(s, def) { try { return JSON.parse(s) } catch (e) { return def } }
 function findUid(obj) {
   if (!obj || typeof obj !== 'object') return ''
   const keys = ['UserId', 'userId', 'UserID', 'userid', 'uid', 'UID']
   for (const key of keys) {
-    const val = obj[key]
-    if (val !== undefined && val !== null && String(val).trim()) return String(val).trim()
+    const uid = isRealUid(obj[key])
+    if (uid) return uid
   }
   for (const key in obj) {
     const val = obj[key]
@@ -56,9 +62,12 @@ function getUid(cookie, body) {
   const jar = parseCookie(cookie)
   let uid = uidFromQDHeader(jar.QDHeader || jar.qdheader || jar.QDHEADER || '')
   if (uid) return uid
-  if (jar.uid) return String(jar.uid)
+  uid = isRealUid(jar.uid || jar.userid || jar.userId || jar.UserId)
+  if (uid) return uid
   const obj = parseJson(body || '', null)
-  return findUid(obj)
+  uid = findUid(obj)
+  if (uid) return uid
+  return isRealUid(jar.ywguid || jar.gwguid || jar.guid)
 }
 function notify(title, sub, msg) {
   $notify(title, sub || '', msg || '')

tests/qdreader_cookie.test.mjs

@@ -39,9 +39,15 @@ function run({ cookie = '', body = '' }) {
 {
   const notices = run({
     cookie: 'cmfuToken=abc; QDH=def',
-    body: JSON.stringify({ Data: { UserInfo: { UserId: 2468 } } }),
+    body: JSON.stringify({ Data: { UserInfo: { UserId: 24680 } } }),
   });
-  assert.equal(notices[0][1], '抓取成功 uid:2468');
+  assert.equal(notices[0][1], '抓取成功 uid:24680');
+}
+
+{
+  const qdheader = Buffer.from('(null)|(null)|1179|2556|(null)|16.10|0|iOS/iPhone/(null)|0|(null)|(null)|475700975|1779006621000|0|(null)|||(null)|(null)|0').toString('base64').replace(/=+$/, '');
+  const notices = run({ cookie: `QDHeader=${qdheader}; ywguid=120098575768; QDH=abc` });
+  assert.equal(notices[0][1], '抓取成功 uid:120098575768');
 }
 
 {