reverseproxy

package

v0.3.3 Latest Latest Go to latest Published: Jun 1, 2026 License: MIT Imports: 7 Imported by: 0

Details

Package reverseproxy provides a Teleport-inspired HTTP reverse proxy.

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func CORSHandler(cfg *apps.CORSConfig) func(http.Handler) http.Handler

CORSHandler handles CORS preflight requests.

func NewErrorHandler() func(http.ResponseWriter, *http.Request, error)

NewErrorHandler returns a handler for proxy errors.

type Forwarder struct {
	*httputil.ReverseProxy
	PassHostHeader bool
	Headers        map[string]string
}

Forwarder wraps httputil.ReverseProxy.

func New(target *url.URL, opts ...Option) *Forwarder

New creates a new Forwarder.

type HeaderRewriter struct {
	TrustForwardHeaders bool
}

HeaderRewriter rewrites headers for the request.

func (r *HeaderRewriter) Rewrite(req *http.Request)

Rewrite rewrites request headers.

type Option func(*Forwarder)

Option configures the Forwarder.

func WithHeaders(headers map[string]string) Option

WithHeaders sets the static headers to be injected into requests.

func WithPassHostHeader(pass bool) Option

WithPassHostHeader sets whether to pass the incoming Host header to the upstream.

func WithResponseModifier(fn func(*http.Response) error) Option

WithResponseModifier sets the modifier for the response.

func WithRoundTripper(rt http.RoundTripper) Option

WithRoundTripper sets the RoundTripper for the Forwarder.