Files
2020-07-27 12:37:36 -04:00

24 lines
575 B
Go

package middleware
import (
"net/http"
"github.com/gomods/athens/pkg/requestid"
"github.com/google/uuid"
)
// WithRequestID ensures a request id is in the
// request context by either the incoming header
// or creating a new one
func WithRequestID(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
requestID := r.Header.Get(requestid.HeaderKey)
if requestID == "" {
requestID = uuid.New().String()
}
ctx := requestid.SetInContext(r.Context(), requestID)
r = r.WithContext(ctx)
h.ServeHTTP(w, r)
})
}