Fallback mint/TOS HTTP from broken curl_cffi TLS to std requests.

Windows hosts hitting OPENSSL_internal:invalid library (curl 35) now retry SSO OAuth and post-reg TOS/NSFW via standard requests so CPA export can proceed.

grok_register_ttk.py

@@ -2012,6 +2012,9 @@ def set_birth_date(session, log_callback=None):
             )
         return False, f"set_birth_date HTTP {res.status_code}: {response_preview(res)}"
     except Exception as e:
+        # TLS 库损坏类错误上抛，供 enable_nsfw_for_token 切到 std requests
+        if _is_curl_tls_error(e):
+            raise
         if log_callback:
             log_callback(f"[set_birth_date] 异常: {e}")
         return False, f"set_birth_date 异常: {e}"
@@ -2042,6 +2045,8 @@ def set_tos_accepted(session, log_callback=None):
             )
         return False, f"set_tos_accepted HTTP {res.status_code}: {response_preview(res)}"
     except Exception as e:
+        if _is_curl_tls_error(e):
+            raise
         if log_callback:
             log_callback(f"[set_tos_accepted] 异常: {e}")
         return False, f"set_tos_accepted 异常: {e}"
@@ -2082,35 +2087,102 @@ def update_nsfw_settings(session, log_callback=None):
             )
         return False, f"update_nsfw_settings HTTP {res.status_code}: {response_preview(res)}"
     except Exception as e:
+        if _is_curl_tls_error(e):
+            raise
         if log_callback:
             log_callback(f"[update_nsfw] 异常: {e}")
         return False, f"update_nsfw_settings 异常: {e}"
 
 
+def _is_curl_tls_error(exc) -> bool:
+    text = str(exc or "").lower()
+    return any(
+        n in text
+        for n in (
+            "openssl_internal:invalid library",
+            "tls connect error",
+            "curl: (35)",
+            "failed to perform, curl: (35)",
+            "ssl_error_syscall",
+            "ssl connect error",
+        )
+    )
+
+
+def _make_post_reg_session(proxies=None, *, prefer: str = "curl"):
+    """注册后 set_tos / nsfw 用的 session；curl TLS 坏了时回退 std requests。"""
+    prefer = (prefer or "curl").strip().lower()
+    if prefer != "requests":
+        try:
+            return requests.Session(impersonate="chrome120", proxies=proxies)
+        except TypeError:
+            # 极老 curl_cffi 无 impersonate
+            try:
+                return requests.Session(proxies=proxies)
+            except Exception:
+                pass
+        except Exception:
+            pass
+    try:
+        import requests as std_requests
+    except ImportError as exc:  # pragma: no cover
+        raise RuntimeError("需要 curl_cffi 或 requests") from exc
+    sess = std_requests.Session()
+    if proxies:
+        sess.proxies.update(proxies)
+    return sess
+
+
 def enable_nsfw_for_token(token, cf_clearance="", log_callback=None):
     proxies = get_proxies()
     user_agent = get_user_agent()
+    log = log_callback or (lambda *_: None)
+
+    def _run(session):
+        cookie_parts = [f"sso={token}", f"sso-rw={token}"]
+        if cf_clearance:
+            cookie_parts.append(f"cf_clearance={cf_clearance}")
+        session.headers.update(
+            {
+                "user-agent": user_agent,
+                "cookie": "; ".join(cookie_parts),
+            }
+        )
+        ok, message = set_tos_accepted(session, log_callback)
+        if not ok:
+            return False, message
+        ok, message = set_birth_date(session, log_callback)
+        if not ok:
+            return False, message
+        ok, message = update_nsfw_settings(session, log_callback)
+        if not ok:
+            return False, message
+        return True, "成功开启 NSFW"
+
+    def _close(session):
+        try:
+            session.close()
+        except Exception:
+            pass
+
     try:
-        with requests.Session(impersonate="chrome120", proxies=proxies) as session:
-            cookie_parts = [f"sso={token}", f"sso-rw={token}"]
-            if cf_clearance:
-                cookie_parts.append(f"cf_clearance={cf_clearance}")
-            session.headers.update(
-                {
-                    "user-agent": user_agent,
-                    "cookie": "; ".join(cookie_parts),
-                }
-            )
-            ok, message = set_tos_accepted(session, log_callback)
-            if not ok:
-                return False, message
-            ok, message = set_birth_date(session, log_callback)
-            if not ok:
-                return False, message
-            ok, message = update_nsfw_settings(session, log_callback)
-            if not ok:
-                return False, message
-            return True, "成功开启 NSFW"
+        session = _make_post_reg_session(proxies, prefer="curl")
+        try:
+            return _run(session)
+        except Exception as exc:
+            if not _is_curl_tls_error(exc):
+                return False, f"异常: {exc}"
+            log(f"[Debug] curl TLS 异常，set_tos/nsfw 回退 requests: {exc}")
+            _close(session)
+            session = _make_post_reg_session(proxies, prefer="requests")
+            try:
+                return _run(session)
+            finally:
+                _close(session)
+                session = None
+        finally:
+            if session is not None:
+                _close(session)
     except Exception as e:
         return False, f"异常: {str(e)}"