invalid_grant尝试从谷歌获得oAuth令牌 [英] invalid_grant trying to get oAuth token from google

问题描述

在试图从Google获取oAuth令牌以连接到他们的联系人api时，我一直收到 invalid_grant 错误。所有的信息是正确的，我有tripple检查这种如此难倒。

有谁知道可能会导致此问题？我曾试着为它设置一个不同的客户端ID，但我得到了相同的结果，我尝试过连接许多不同的方式，包括尝试强制认证，但仍然是相同的结果。

当我在将用户发送到OAuth时没有明确请求脱机访问时，我遇到了这个问题您想让此应用程序有权访问您的东西吗？

确保您在请求中指定access_type = offline。

详细信息：https://developers.google.com/accounts/docs/OAuth2WebServer#offline

（另外：我认为谷歌在2011年底加入了这个限制。如果你之前有旧的代币，你需要将你的用户发送到权限页面授权离线使用。）

I keep getting an invalid_grant error on trying to get an oAuth token from Google to connect to their contacts api. All the information is correct and I have tripple checked this so kind of stumped.

Does anyone know what may be causing this issue? I have tried setting up a different client id for it but I get the same result, I have tried connecting many different ways including trying the force authentication, but still the same result.

解决方案

I ran into this problem when I didn't explicitly request "offline" access when sending the user to the OAuth "Do you want to give this app permission to touch your stuff?" page.

Make sure you specify access_type=offline in your request.

Details here: https://developers.google.com/accounts/docs/OAuth2WebServer#offline

(Also: I think Google added this restriction in late 2011. If you have old tokens from before then, you'll need to send your users to the permission page to authorize offline use.)

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