杨豪
cae37465d2
- method_l_shape: OK 候选尺度 ±0.0375 精修（步长 0.0125 + ±6px 窗口）， GT live_165204 Δ 179→176（真人 177），离线 9/10 保持 - 插桩 JSON.stringify 捕获 SDK 日志明文；指针 probe 排除 coalesced/pressure - 拖动不跟手指标作废：post_pos 晚于 SDK 重置滑块，鼠标事件流始终完整 - 剩余 VerifyErr = 候选整体选错（视觉确证），方向：多候选质量评估 - docs: experiments/solution/retrospective 同步收尾
78 lines
3.0 KiB
Python
78 lines
3.0 KiB
Python
"""真人拖动轨迹监视器：等 rmc iframe 出现后 attach，每 0.5s 快照
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window.__dragTrace / __lastVerify 到 /tmp，iframe 销毁（验证通过）后保留最后快照退出。"""
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import asyncio, json, time, urllib.request as ur
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import websockets
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def _json(path):
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try:
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with ur.urlopen(f"http://127.0.0.1:9222{path}", timeout=5) as r:
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return json.load(r)
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except (OSError, ValueError):
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return None
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async def main():
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ver = _json("/json/version")
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if not ver or not ver.get("webSocketDebuggerUrl"):
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print("CDP 不可达，退出")
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return
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# 等待验证码 iframe 出现（最多 180s）
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ifr = None
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for _ in range(60):
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targets = _json("/json/list") or []
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ifr = next((t for t in targets if "rmc.bytedance.com" in t.get("url", "")), None)
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if ifr:
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break
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await asyncio.sleep(3)
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if not ifr:
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print("无 iframe，退出")
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return
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async with websockets.connect(ver["webSocketDebuggerUrl"], max_size=64 * 1024 * 1024) as ws:
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mid = [0]
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async def cdp(method, params=None, sid=None):
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mid[0] += 1
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m = {"id": mid[0], "method": method, "params": params or {}}
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if sid:
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m["sessionId"] = sid
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await ws.send(json.dumps(m))
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while True:
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try:
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r = json.loads(await ws.recv())
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except (json.JSONDecodeError, asyncio.TimeoutError):
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continue
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if r.get("id") == mid[0]:
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if "error" in r:
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raise RuntimeError(str(r["error"]))
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return r.get("result", {})
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isid = (await cdp("Target.attachToTarget", {"targetId": ifr["id"], "flatten": True}))["sessionId"]
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await cdp("Runtime.enable", sid=isid)
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print("trace_watch 就绪", flush=True)
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last_len = -1
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while True:
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try:
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r = await cdp("Runtime.evaluate", {
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"expression": "JSON.stringify({n:(window.__dragTrace||[]).length,"
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"trace:window.__dragTrace||null,v:window.__lastVerify||null})",
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"returnByValue": True}, sid=isid)
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val = r.get("result", {}).get("value")
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if val:
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d = json.loads(val)
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if d["n"] != last_len:
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last_len = d["n"]
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with open("/tmp/trace_snap.json", "w") as f:
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json.dump(d, f)
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if d["v"]:
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with open("/tmp/verify_snap.txt", "w") as f:
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f.write(d["v"])
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print(f"[{time.strftime('%H:%M:%S')}] {d['n']} 事件", flush=True)
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await asyncio.sleep(0.5)
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except (RuntimeError, websockets.exceptions.ConnectionClosed, OSError):
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print("iframe 已销毁，保留最后快照退出", flush=True)
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return
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asyncio.run(main())
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