刷新 Keycloak 离线令牌 [英] Refreshing Keycloak offline token

问题描述

我目前正在尝试使用 Keycloak 获取离线令牌.我的问题是，我无法刷新曾经收到的令牌..

I am currently trying to get an offline token working with Keycloak. My problem here is, that I cannot refresh a token I once reveived..

当我最初调用令牌端点时，我会得到一个带有工作访问令牌的正确响应:

When I initially call the token endpoint, I get a proper response with a working access token:

{
  "access_token": "<access-token>",
  "expires_in": 900,
  "refresh_expires_in": 0,
  "refresh_token": "<refresh-token>",
  "token_type": "bearer",
  "not-before-policy": 1539890980,
  "session_state": "a178faf2-xxxx-xxxx-xxxx-fb16548b6805",
  "scope": "email profile offline_access"
}

然后，我尝试使用

curl -X POST 
  https://<my-url>/auth/realms/<realm>/protocol/openid-connect/token 
  -H 'Content-Type: application/x-www-form-urlencoded' 
  -H 'cache-control: no-cache' 
  -d 'client_id=<client-id>
  -d 'refresh_token=<refresh-token>
  -d 'grant_type=refresh_token'

我收到以下错误:

{
  "error": "invalid_grant",
  "error_description": "Offline session not active"
}

我查看了 Keycloaks Jira 问题，这似乎不是一个已知问题.谁能帮我让离线令牌运行?有什么特别的技巧吗?感谢您的帮助！

I looked at Keycloaks Jira issues and this doesn't seem to be a known issue. Can anyone help me getting the offline token running? Is there any special trick? Appreciate your help!

推荐答案

确保您的领域设置的值大于 0 用于离线会话.它们的生命周期与正常会话不同.

Make sure your realm settings have a value greater than 0 for offline sessions. They have a separate lifetime than normal sessions.

我认为默认设置为 30 天，但请仔细检查.

By default I think it's set to 30 days but just double check.

然后检查领域设置以查看是否也允许重复使用刷新令牌.如果您禁用了令牌的重复使用，请确保您没有多次使用刷新令牌.

Then check realm settings to see if re-use of refresh tokens is allowed as well. If you disabled re-use of tokens then make sure you don't use a refresh token more than once.

如果重复使用被关闭，那么我现在什么都没有想到.我只在令牌过期时看到您的错误.

If re-use is turned off then I've got nothing that comes to mind right now. I've only seen your error when the token expires.

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