cors

Documentation

Overview

Package cors handles cross-origin HTTP requests (CORS).

Index

• type Handler
  • func (h *Handler) ServeHTTP(w http.ResponseWriter, req *http.Request)
• type Info
  • func (ci Info) OriginAllowed(origin string) bool
  • func (ci *Info) Set(s string) error
  • func (ci *Info) String() string

Types

type Handler

type Handler struct {
	Handler http.Handler
	Info    *Info
}

Handler wraps an http.Handler instance to provide configurable CORS support. CORS headers will be added to all responses.

func (*Handler) ServeHTTP

func (h *Handler) ServeHTTP(w http.ResponseWriter, req *http.Request)

ServeHTTP adds the correct CORS headers based on the origin and returns immediately with a 200 OK if the method is OPTIONS.

type Info

type Info map[string]bool

Info represents a set of allowed origins.

func (Info) OriginAllowed

func (ci Info) OriginAllowed(origin string) bool

OriginAllowed determines whether the server will allow a given CORS origin.

func (*Info) Set

func (ci *Info) Set(s string) error

Set implements the flag.Value interface to allow users to define a list of CORS origins

func (*Info) String

func (ci *Info) String() string