25 lines
726 B
Go
25 lines
726 B
Go
|
package middleware
|
||
|
|
|
||
|
|
import (
|
||
|
|
"net/http"
|
||
|
|
|
||
|
|
"github.com/zenazn/goji/web"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Options automatically return an appropriate "Allow" header when the
|
||
|
|
// request method is OPTIONS and the request would have otherwise been 404'd.
|
||
|
|
func Options(c *web.C, h http.Handler) http.Handler {
|
||
|
|
fn := func(w http.ResponseWriter, r *http.Request) {
|
||
|
|
if r.Method == "OPTIONS" {
|
||
|
|
w.Header().Set("Access-Control-Allow-Origin", "*")
|
||
|
|
w.Header().Set("Access-Control-Allow-Methods", "GET,POST,PUT,DELETE,OPTIONS")
|
||
|
|
w.Header().Set("Access-Control-Allow-Headers", "Authorization")
|
||
|
|
w.Header().Set("Allow", "HEAD,GET,POST,PUT,DELETE,OPTIONS")
|
||
|
|
w.WriteHeader(http.StatusOK)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
h.ServeHTTP(w, r)
|
||
|
|
}
|
||
|
|
return http.HandlerFunc(fn)
|
||
|
|
}
|