package wrpc:http@0.1.0;

/// The `wasi:http/proxy` world captures a widely-implementable intersection of
/// hosts that includes HTTP forward and reverse proxies. Components targeting
/// this world may concurrently stream in and out any number of incoming and
/// outgoing HTTP requests.
world proxy {
  /// HTTP proxies have access to time and randomness.
  include wasi:clocks/imports@0.2.0;
  import wasi:random/random@0.2.0;

  /// Proxies have standard output and error streams which are expected to
  /// terminate in a developer-facing console provided by the host.
  import wasi:cli/stdout@0.2.0;
  import wasi:cli/stderr@0.2.0;

  /// TODO: this is a temporary workaround until component tooling is able to
  /// gracefully handle the absence of stdin. Hosts must return an eof stream
  /// for this import, which is what wasi-libc + tooling will do automatically
  /// when this import is properly removed.
  import wasi:cli/stdin@0.2.0;

  /// This is the default handler to use when user code simply wants to make an
  /// HTTP request (e.g., via `fetch()`).
  import outgoing-handler;

  /// The host delivers incoming HTTP requests to a component by calling the
  /// `handle` function of this exported interface. A host may arbitrarily reuse
  /// or not reuse component instance when delivering incoming HTTP requests and
  /// thus a component must be able to handle 0..N calls to `handle`.
  export incoming-handler;
}