invalid_grant 试图从谷歌获取 oAuth 令牌 [英] invalid_grant trying to get oAuth token from google

问题描述

在尝试从 Google 获取 oAuth 令牌以连接到他们的联系人 API 时，我不断收到 invalid_grant 错误.所有信息都是正确的，我已经检查过这件事，这让我很困惑.

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.

有谁知道是什么导致了这个问题?我尝试为它设置不同的客户端 ID，但得到相同的结果，我尝试连接许多不同的方法，包括尝试强制身份验证，但结果仍然相同.

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.

推荐答案

当我在将用户发送到 OAuth 时没有明确请求离线"访问权限时，我遇到了这个问题摸你的东西?"页面.

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.

确保在请求中指定 access_type=offline.

Make sure you specify access_type=offline in your request.

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

(另外:我认为 Google 在 2011 年末添加了此限制.如果您有之前的旧令牌，您需要将您的用户发送到权限页面以授权离线使用.)

(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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