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OpenHands Enterprise Server

enterprise/README.md

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OpenHands Enterprise Server

[!WARNING] This software is licensed under the Polyform Free Trial License. This is NOT an open source license. Usage is limited to 30 days per calendar year without a commercial license. If you would like to use it beyond 30 days, please contact us.

[!WARNING] This is a work in progress and may contain bugs, incomplete features, or breaking changes.

This directory contains the enterprise server used by OpenHands Cloud. The official, public version of OpenHands Cloud is available at app.all-hands.dev.

You may also want to check out the MIT-licensed OpenHands

Extension of OpenHands

The code in /enterprise builds on top of OpenHands (MIT-licensed), extending its functionality. The enterprise code is entangled with OpenHands in two ways:

  • Enterprise stacks on top of OpenHands. For example, the middleware in enterprise is stacked right on top of the middlewares in OpenHands. In SAAS, the middleware from BOTH repos will be present and running (which can sometimes cause conflicts)

  • Enterprise overrides the implementation in OpenHands (only one is present at a time). For example, the server config SaasServerConfig overrides ServerConfig in OpenHands. This is done through dynamic imports (see here)

Key areas that change on SAAS are

  • Authentication
  • User settings
  • etc

Authentication

AspectOpenHandsEnterprise
Authentication MethodUser adds a personal access token (PAT) through the UIUser performs OAuth through the UI. The GitHub app provides a short-lived access token and refresh token
Token StoragePAT is stored in SettingsToken is stored in GithubTokenManager (a file store in our backend)
Authenticated statusWe simply check if token exists in SettingsWe issue a signed cookie with github_user_id during OAuth, so subsequent requests with the cookie can be considered authenticated

Note that in the future, authentication will happen via keycloak. All modifications for authentication will happen in enterprise.

GitHub Service

The github service is responsible for interacting with Github APIs. As a consequence, it uses the user's token and refreshes it if need be

AspectOpenHandsEnterprise
Class usedGitHubServiceSaaSGitHubService
Token usedUser's PAT fetched from SettingsUser's token fetched from GitHubTokenManager
Refresh functionalityN/A; user provides PAT for the appUses the GitHubTokenManager to refresh

NOTE: in the future we will simply replace the GithubTokenManager with keycloak. The SaaSGithubService should interact with keycloack instead.

Areas that are BRITTLE!

User ID vs User Token

  • In OpenHands, the entire app revolves around the GitHub token the user sets. openhands/server uses request.state.github_token for the entire app
  • On Enterprise, the entire APP resolves around the Github User ID. This is because the cookie sets it, so openhands/server AND enterprise/server depend on it and completely ignore request.state.github_token (token is fetched from GithubTokenManager instead)

Note that introducing GitHub User ID in OpenHands, for instance, will cause large breakages.