Roblox Group Bot调用API遇授权验证挑战，求验证码参数及代码解决方法

我正在开发一款Roblox群组机器人，调用Roblox Group V2/1 API时，请求返回了“Challenge is required to authorize”的响应。我不知道怎么获取captchaId、captchaToken、captchaProvider和challengeId这些验证码参数，之前从没开发过机器人，还在学习阶段，附上我的Python代码，希望有人帮忙解决：

import requests
import os

# 替换为你的群组ID
GROUP_ID = 34166526
ROBLOSECURITY_COOKIE = "nah"

def get_csrf_token():
    auth_url = "https://auth.roblox.com/v1/logout"
    xsrf_request = requests.post(auth_url, cookies={".ROBLOSECURITY": ROBLOSECURITY_COOKIE})

    if xsrf_request.status_code == 401:
        print("无效的ROBLOSECURITY cookie，程序退出。")
        exit()
    else:
        print("验证成功。")
        return xsrf_request.headers["x-csrf-token"]

def is_user_in_group():
    try:
        csrf_token = get_csrf_token()
        response = requests.get(f"https://groups.roblox.com/v1/groups/{GROUP_ID}/membership", params={
            "groupId": GROUP_ID,
            "includeNotificationPreferences": True
        }, headers={
            "Cookie": f".ROBLOSECURITY={ROBLOSECURITY_COOKIE}",
            "X-CSRF-TOKEN": csrf_token
        })
        if response.status_code == 200:
            print("请求成功！", response.text)
        else:
            print("请求失败！", response.text)

        response_json = response.json()
        return GROUP_ID in response_json
    except Exception as e:
        print(f"检查群组身份时出错：{e}")
        return False

def join_group():
    try:
        csrf_token = get_csrf_token()
        response = requests.post(f"https://groups.roblox.com/v1/groups/{GROUP_ID}/users", json={
            "captchaId": "78417cb70582c6e31.3755809701",
            "captchaToken": "78417cb70582c6e31.3755809701",
            "captchaProvider": "string",
            "challengeId": "78417cb70582c6e31.3755809701"
        }, headers={
            "Cookie": f".ROBLOSECURITY={ROBLOSECURITY_COOKIE}",
            "X-CSRF-TOKEN": csrf_token,
            "Content-Type": "application/json"  
        })

        if response.status_code == 200:
            print("成功加入群组！")
        else:
            print(f"加入群组失败：{response.text}")
    except Exception as e:
        print(f"加入群组时出错：{e}")

def post_message_on_wall():
    try:
        csrf_token = get_csrf_token()
        response = requests.post(f"https://groups.roblox.com/v2/groups/{GROUP_ID}/wall/posts", json={
            "body": "你好！我是一个Roblox机器人！由Bacon制作！",  
            "captchaId": "",
            "captchaToken": "78417cb70582c6e31.3755809701",
            "captchaProvider": "arkose-labs",
            "challengeId": ""
        }, headers={
            "Cookie": f".ROBLOSECURITY={ROBLOSECURITY_COOKIE}",
            "Content-Type": "application/json",
            "X-CSRF-TOKEN": csrf_token,
        })
        if response.status_code == 200:
            print("成功在群组墙发布消息！")
        else:
            print(f"发布消息失败：{response.text}")
    except Exception as e:
        print(f"发布消息时出错：{e}")

if __name__ == "__main__":
    if not is_user_in_group():
        join_group()
    post_message_on_wall()

问题解决思路 #

这个错误是Roblox触发了人机验证机制，需要通过Arkose Labs的验证流程获取所需参数，具体步骤如下：

1. 提取验证基础参数
   当收到403错误响应时，解析响应的JSON内容，里面会直接给出challengeId和captchaProvider（通常为arkose-labs）。

2. 获取Captcha ID
   向https://apis.roblox.com/human-verification/v1/config发送GET请求，带上你的.ROBLOSECURITY Cookie和X-CSRF-Token，响应的arkose.publicKey字段就是captchaId。

3. 完成人机验证获取Token
   这一步需要模拟浏览器环境（比如用Selenium、Playwright）加载Arkose Labs的验证组件，传入captchaId和challengeId，完成验证后会生成captchaToken（即验证会话令牌）。

4. 重新发起API请求
   把获取到的四个参数填入请求的JSON体中，再次调用原API接口即可通过验证。

代码修改示例（以join_group函数为例） #

def join_group():
    try:
        csrf_token = get_csrf_token()
        # 先发起不带验证码的请求，触发验证要求
        response = requests.post(f"https://groups.roblox.com/v1/groups/{GROUP_ID}/users", json={}, headers={
            "Cookie": f".ROBLOSECURITY={ROBLOSECURITY_COOKIE}",
            "X-CSRF-TOKEN": csrf_token,
            "Content-Type": "application/json"  
        })

        if response.status_code == 403 and "Challenge is required" in response.text:
            error_data = response.json()
            challenge_id = error_data["challenge"]["challengeId"]
            captcha_provider = error_data["challenge"]["captchaProvider"]
            
            # 获取captchaId
            config_response = requests.get("https://apis.roblox.com/human-verification/v1/config", headers={
                "Cookie": f".ROBLOSECURITY={ROBLOSECURITY_COOKIE}",
                "X-CSRF-TOKEN": csrf_token
            })
            captcha_id = config_response.json()["arkose"]["publicKey"]
            
            # 这里需要实现浏览器模拟完成Arkose验证，获取captchaToken
            # 示例：用Selenium打开验证页面，手动完成后提取token
            # captcha_token = "从验证流程中获取的有效token"
            
            # 重新发起请求（替换captcha_token为实际值）
            retry_response = requests.post(f"https://groups.roblox.com/v1/groups/{GROUP_ID}/users", json={
                "captchaId": captcha_id,
                "captchaToken": captcha_token,
                "captchaProvider": captcha_provider,
                "challengeId": challenge_id
            }, headers={
                "Cookie": f".ROBLOSECURITY={ROBLOSECURITY_COOKIE}",
                "X-CSRF-TOKEN": csrf_token,
                "Content-Type": "application/json"  
            })
            
            if retry_response.status_code == 200:
                print("成功加入群组！")
            else:
                print(f"加入群组失败：{retry_response.text}")
        elif response.status_code == 200:
            print("成功加入群组！")
        else:
            print(f"加入群组失败：{response.text}")
    except Exception as e:
        print(f"加入群组时出错：{e}")

内容的提问来源于stack exchange，提问作者rizzmasGuy