oauth2 is a Go client library that implements the OAuth 2.0 specification.
The library solves the problem of authenticating with OAuth 2.0 providers by offering a standardized client implementation. It handles the core OAuth 2.0 flows and token management, with built-in support for major providers like Google through provider-specific packages. The tool abstracts away the complexity of OAuth 2.0 protocol details, allowing developers to focus on integrating authentication into their applications.
Developers should adopt this library if they are building Go applications that need to authenticate users through OAuth 2.0 providers. It suits projects ranging from simple command-line tools to web services. The project has established a clear policy: new provider-specific packages are no longer accepted if they only add a single endpoint variable; instead, such endpoints should be contributed to the endpoints package. This keeps the repository focused and maintainable while still allowing community contributions for new providers.
The project maintains a substantial base of real-world adopters, as evidenced by the fact that almost all open issues are raised by outside users rather than the core team. However, issues and pull requests often wait weeks or longer for an initial response, indicating limited bandwidth for issue triage. The project requires all non-trivial contributions to be connected to an existing issue and mandates that API changes go through a formal proposal process before acceptance.
