PROSAGA码农传奇-智能家居-Google智能家居报告状态错误403

<div class =“post-text”itemprop =“text”>
  
    要将状态报告给Home Graph，您必须：
  
  <UL>
    <LI>
      创建一个
      的
        服务帐户
      </强>
       从SmartHomeApp项目创建令牌：
    </LI>
    <LI>
      去
      的
        API＆amp;服务
      </强>
       =＆GT;点击
      的
        证书
      </强>
      <a href="https://i.stack.imgur.com/FvlT9.png" rel="nofollow noreferrer">
        <img src =“https://i.stack.imgur.com/FvlT9.png”alt =“转到'API＆amp; Services'=>点击'凭据'”/>
      </A>
    </LI>
    <LI>
      点击
      的
        创建凭据
      </强>
       =＆GT;点击
      的
        服务帐户密钥
      </强>
      <a href="https://i.stack.imgur.com/rX4RV.png" rel="nofollow noreferrer">
        <img src =“https://i.stack.imgur.com/rX4RV.png”alt =“点击'创建凭据'=>点击'服务帐户密钥'”/>
      </A>
    </LI>
    <LI>
      填写您的数据创建一个新的
      的
        新服务帐户
      </强>
       =＆GT;选择角色
      的
        服务帐户＆gt;服务帐户令牌创建者
      </强>
      <a href="https://i.stack.imgur.com/0Tt6p.png" rel="nofollow noreferrer">
        <img src =“https://i.stack.imgur.com/0Tt6p.png”alt =“填写您的数据，创建新的'新服务帐户'=>选择角色'服务帐户>服务帐户令牌创建者' “/>
      </A>
    </LI>
    <LI>
      下载
       <code>
 JSON
 </code>
       文件包含您的密钥和证书
    </LI>
    <LI>
      
        获得有效
        的
          签名的JWT令牌
        </强>
        ：
      
       <pre>
 <code>
 credentials = service_account.Credentials.from_service_account_file(service_account_file, scopes="https://www.googleapis.com/auth/homegraph")

now = int(time.time())
expires = now + 3600  # One hour in seconds

payload = {
    'iat': now,
    'exp': expires,
    'aud': "https://accounts.google.com/o/oauth2/token",
    'scope': SCOPE,
    'iss': credentials.service_account_email
}

signed_jwt = google.auth.jwt.encode(credentials.signer, payload)

</code>
 </pre>
    </LI>
    <LI>
      
        获得有效
        的
          访问令牌
        </强>
        ：
      
       <pre>
 <code>
 headers = {"Authorization": "Bearer {}".format(signed_jwt.decode("utf-8")), "Content-Type": "application/x-www-form-urlencoded"}
data = {"grant_type": "urn:ietf:params:oauth:grant-type:jwt-bearer", "assertion": signed_jwt}

access_token = requests.post("https://accounts.google.com/o/oauth2/token", data=data, headers=headers).get("access_token")

</code>
 </pre>
    </LI>
    <LI>
      
        发送报告的状态：
      
       <pre>
 <code>
 headers = {"Authorization": "Bearer {}".format(access_token), "X-GFE-SSL": "yes"}
data = {"requestId": request_id, "agent_user_id": agent_user_id, "payload": {"devices": {"states": states}}}

requests.post("https://homegraph.googleapis.com/v1/devices:reportStateAndNotification", data=json.dumps(data), headers=headers)

</code>
 </pre>
    </LI>
  </UL>
  
    的
      注意
    </强>
    ：为了工作这些片段需要
     <code>
 import google.auth.jwt
 </code>
    ，
     <code>
 from google.oauth2 import service_account
 </code>
    和
     <code>
 import requests
 </code>
     从
     <code>
 google-auth
 </code>
    ，
     <code>
 google-auth-httplib2
 </code>
     和
     <code>
 requests
 </code>
     包。
  
</DIV>