GitHub App Redirection Issue with ChatGPT Plugin Authentication

[AustinMichaelColeman]

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Hello everyone,

I am developing a ChatGPT plugin that uses a GitHub App for authentication. The flow of the plugin is as follows:

1. The user installs the plugin on ChatGPT.
2. The user is redirected to https://dev-duet-ai.vercel.app/api/auth
3. My auth.js redirects to https://github.com/apps/devduetai/installations/new
4. After the user has accepted the permissions, the user is redirected to https://chat.openai.com/aip/plugin-my_plugin_id/oauth/callback
5. The plugin is then successfully installed and ChatGPT calls my /token endpoint to get an access token.

However, step 4 never happens if the user has already installed the GitHub App before. Instead it takes them to the installation page and never continues the flow. I thought maybe I could check if the user has already installed it, but in step 3 I have no user information. Is there a better way to handle the redirect or tell the flow to continue?

Thanks!

Here is some documentation I've been referencing:
https://platform.openai.com/docs/plugins/authentication/oauth
https://docs.github.com/en/apps/creating-github-apps/authenticating-with-a-github-app/generating-a-user-access-token-for-a-github-app

Here is the repo I'm working on:
https://github.com/AustinMichaelColeman/dev-duet-ai

[AustinMichaelColeman]

I just realized I think I've been doing this wrong and I shouldn't use https://github.com/apps/devduetai/installations/new and instead need to use https://github.com/login/oauth/authorize

[AustinMichaelColeman]

Nevermind, if I do that then the user can't pick certain repos for the app to access I think.

[theashutosh-gupta]

i am using this callback URL:http://localhost/GitHubApi/authorize/github
but still i cannot redirect user to my application with all Github details

[AustinMichaelColeman]

This repo is probably out of date. GPTs might have a different expectation for auth. I'm not sure what it'd be.

[AustinMichaelColeman]

Oh I don't think it'll let you use localhost as a redirect. That might be part of the problem.

[AustinMichaelColeman]

I want to be able to press "Save" to continue on this page but it's grayed out. I'd have to make a change for the auth flow to continue: