first commit

chrome-extension/content.js

@@ -0,0 +1,48 @@
+// content.js — 在 xueqiu.com 页面里跑，document.cookie 读非 HttpOnly 的 cookie，
+// 然后缓存起来等 popup 来取。
+// 注意：document.cookie 读不到 HttpOnly（xq_a_token 是 HttpOnly 拿不到）
+// 但能拿到 u、device_id 等普通 cookie，作为辅助数据。
+
+(function () {
+  const PAGE_CACHE_KEY = "__xueqiu_sync_page_cache__";
+  const TTL_MS = 30_000;
+
+  function read() {
+    const out = { url: location.href, cookies: {}, ts: Date.now() };
+    try {
+      const pairs = document.cookie.split(";");
+      for (const p of pairs) {
+        const idx = p.indexOf("=");
+        if (idx > 0) {
+          const k = p.slice(0, idx).trim();
+          const v = decodeURIComponent(p.slice(idx + 1).trim());
+          if (k) out.cookies[k] = v;
+        }
+      }
+    } catch (_) {}
+    return out;
+  }
+
+  function update() {
+    try {
+      window[PAGE_CACHE_KEY] = read();
+    } catch (_) {}
+  }
+
+  update();
+  // 兜底：每 5s 刷一次，捕获导航/SPA 切换
+  setInterval(update, 5000);
+
+  // 响应 popup 的查询
+  chrome.runtime.onMessage.addListener((msg, _sender, sendResponse) => {
+    if (msg && msg.type === "xueqiu_sync/get_page_cookies") {
+      let cache = window[PAGE_CACHE_KEY];
+      if (!cache || Date.now() - cache.ts > TTL_MS) {
+        cache = read();
+        window[PAGE_CACHE_KEY] = cache;
+      }
+      sendResponse(cache);
+      return true;
+    }
+  });
+})();