std::http::middleware

Status: experimental

Composable middleware: logger, recoverer, request_id, cors, basic_auth, compress_gzip.

API details and source

The implementation source contains the complete declarations and implementation notes. The table below lists canonical Gossamer call signatures; every item name links directly to its implementation file.

Item	Canonical signature or declaration	Description
Chain	type Chain	Helper for composing middleware in a single value.
Handler	trait Handler	Anything serving (Request, Params) -> Response.
accepts_gzip	fn accepts_gzip(request: http::Request) -> bool	Check an Accept-Encoding header for a gzip token. Available in interp + compiled.
bearer_ok	fn bearer_ok(request: http::Request, verify: Fn(String) -> bool) -> bool	Run a verify closure on the request's Bearer token; false (without calling verify) when no Bearer header is present. Available in interp + compiled.
decode_basic_auth	fn decode_basic_auth(request: http::Request) -> Option<(String, String)>	Decode a Basic-auth Authorization header into (user, password). Interp tier.
new_request_id	fn new_request_id() -> String	Generate a process-monotonic request id string. Available in interp + compiled.
tag	fn tag(handler: http::Handler) -> http::Handler	Wrap a handler (tag(inner) -> Handler), prepending mw: to each response body. Deterministic composition primitive; available in interp + compiled.