如何使用Google oauth2.0通过电报机器人来验证用户
这是我第一次与Google API互动，我正在使用此库中使用Python3.9 python电报机器人 我想通过电报机器人访问用户Google API日历，我似乎找不到任何文章来指导我完成它。我的关键问题（我认为）是将成功授权转移回电报机器人。
这是我的想法：
- 在电报应用程序中，用户发送“/发送”到bot
- bot接收消息并返回Google授权链接到用户
- clink on授权链接，并允许访问
- 机器人接收授权访问并完成OAuth Flow
问题在于第3和4步。标准授权链接是 https://accounts.google.com/o/oauth2/auth?Response_type = code = code&Client_Id=&clientId=&clientId>＆ggt＆recredect_uri = recredect_Uri =＆amp; amp; amp; ;＆amp; access_type =离线
如何将授权链接发送回电报机器人？我应该创建另一个API端点以接收该授权链接吗？或者我可以在＆lt; redirect_uri＆gt;中发送telegram api send_message（）将成功消息重定向到我的机器人。
更新1
多亏了CallMestag，我设法找到了一种完成OAuth过程的方法。对于面临同样问题的人来说，这就是我所做的 先决条件：凭据是在Google Console API -Web应用程序中创建的。 redirect_uri集作为localhost：8000（在开发阶段）
- 用户发送“/发送”到bot
- bot接收消息并返回授权链接
https://accounts.google.com/o/oauth2/auth2/auth?Response_Type = code＆amp; client_id =＆lt; clientId＆gt;＆amp; redirect_uri =http：// localhost：8000/＆amp; scope =＆lt; scope＆gt; scope＆gt; scope＆gt; scope＆gt; ＆amp; state＆lt; state＆gt;＆amp; access_type = offline - 用户单击链接到Authenticate，它将重定向到
http：// http：// localhost：8000。使用FastApi作为Webhook接收消息。捕获授权代码，使用google.oauthlib.flow完成授权过程。接下来，将用户重定向到电报链接https://t.me/<； botname＆gt; - 使用用户Google google日历开始
This is my first time interacting with Google API and I'm using python3.9 with this library Python Telegram Bot
I want to access a user Google API Calendar via a telegram bot and I can't seem to find any article to guide me through it. My key problem (I think) is redirecting the success authorization flow back to telegram bot.
This is what I have in mind:
- In the telegram app, user send '/send' to bot
- Bot receive message and return a google an authorization link to user
- User clink on authorization link and allow access
- Bot receive authorization access and completes the Oauth flow
The problem lies betweeen step 3 and 4. A standard authorization link ishttps://accounts.google.com/o/oauth2/auth?response_type=code&client_id=<clientid>&redirect_uri=<redirect_uri>&scope=<scope>&state<state>&access_type=offline
How do I send the authorization link back to my telegram bot? Should I create another API endpoint to receive that authorization link? Or can I send telegram api send_message() in the <redirect_uri> to redirect the success message to my bot.
Update 1
Thanks to CallMeStag, I manage to figure out a way to complete the oauth process. For people who faced the same problem, this is what I did
Pre-requisite: Credentials is created in google console api - Web application. redirect_uri set as localhost:8000 (During development phase)
- User send '/send' to bot
- Bot receive message and return an authorization link
https://accounts.google.com/o/oauth2/auth?response_type=code&client_id=<clientid>&redirect_uri=http://localhost:8000/&scope=<scope>&state<state>&access_type=offline - User click on link to authenticate and it will redirect to
http://localhost:8000. Used fastapi as a webhook to receive the message. Capture the authorization code, usegoogle.oauthlib.flowto complete the authorization process. Next, redirect user back to telegram linkhttps://t.me/<botname> - Start using user google calendar
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目前，PTB 应用程序侦听外部更新（此 cas 中的身份验证验证）确实不是很直接 - 另请参阅 此问题。目前，您可能最容易设置一个与 Updater 并行运行的自定义 Webhook 应用程序 - 例如使用 Flask/django/starlette/fastapi/...。或者，如果您无论如何都在为您的机器人使用 Webhooks，您可以修补
Updater来为您完成这项工作。尽管这需要一些手动工作 - 请参阅此处查看示例。一旦您能够监听来自 Google 的更新，就可以通过 PTB 常用处理程序设置来处理它们，特别是通过
TypeHandler甚至自定义Handler子类 - 请参阅此<一href="https://github.com/python-telegram-bot/python-telegram-bot/wiki/Frequently-Asked-Questions#i-want-to-handle-updates-from-an-external-service-in -addition-to-the-telegram-updates-how-do-i-do-that" rel="nofollow noreferrer">常见问题解答条目。关于重定向网址：您需要将用户重定向回您的机器人，因此您必须提供一个链接来执行此操作。
Bot.link应该可以解决问题。免责声明：我目前是
python-telegram-bot的维护者。It's currently indeed not very straight forward for a PTB-application to listen for external updates (the auth verification in this cas) - see also this issue. Currently it might be easiest for you to set up a custom webhook application that runs in parallel to the
Updater- e.g. using flask/django/starlette/fastapi/…. Alternatively, if you're using webhooks for your bot anyway, you can patch theUpdaterto do the job for you. Although that requires some manual work - see here for an example.Once you are able to listen to updates coming from Google, handling them can be done via PTBs usual handler setup, specifically via the
TypeHandleror even a customHandlersubclass - see this FAQ entry.Regarding the redirect url: You'll want to redirect your user back to your bot, so you'll have to provide a link that does that.
Bot.linkshould probably do the trick.Disclaimer: I'm currently the maintainer of
python-telegram-bot.与 Google设备授权流量
integrate with the google device authorization flow