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OAuth

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ALTCHA Forms supports OAuth authentication as an alternative to Passkey authentication, allowing users to authenticate with external accounts such as Google and GitHub. This document outlines how to configure and enable OAuth authentication.

When configured, the “Continue with [provider]” buttons will be displayed on the authentication screen. Users can simply click these buttons and follow the provider’s OAuth flow to authenticate.

Supported Providers

Currently supported OAuth providers:

  • Google
  • GitHub

Google OAuth

To enable Google authentication, configure the necessary credentials using the following environment variables:

Terminal window
OAUTH_GOOGLE_CLIENT_ID=my_oauth_client_id
OAUTH_GOOGLE_CLIENT_SECRET=my_oauth_client_secret

Obtaining Credentials

To obtain the client ID and secret for your app, follow the steps provided in the Google OAuth 2.0 documentation.

Required scopes:

  • userinfo.email
  • userinfo.profile

Callback URL:

  • {BASE_URL}/app/oauth/google/callback

GitHub OAuth

To enable GitHub authentication, configure the necessary credentials using the following environment variables:

Terminal window
OAUTH_GITHUB_CLIENT_ID=my_oauth_client_id
OAUTH_GITHUB_CLIENT_SECRET=my_oauth_client_secret

Obtaining Credentials

To obtain the client ID and secret for your app, create a new OAuth App in the Developer Settings of your GitHub account.

Callback URL:

  • {BASE_URL}/app/oauth/github/callback