package caddyhttp import ( "fmt" "net/http" "strconv" "github.com/caddyserver/caddy2" ) func init() { caddy2.RegisterModule(caddy2.Module{ Name: "http.responders.static", New: func() interface{} { return new(Static) }, }) } // Static implements a simple responder for static responses. type Static struct { StatusCode int `json:"status_code"` // TODO: should we turn this into a string so that only one field is needed? (string allows replacements) StatusCodeStr string `json:"status_code_str"` Headers http.Header `json:"headers"` Body string `json:"body"` Close bool `json:"close"` } func (s Static) ServeHTTP(w http.ResponseWriter, r *http.Request) error { repl := r.Context().Value(caddy2.ReplacerCtxKey).(caddy2.Replacer) // close the connection after responding r.Close = s.Close // set all headers for field, vals := range s.Headers { field = repl.ReplaceAll(field, "") for i := range vals { vals[i] = repl.ReplaceAll(vals[i], "") } w.Header()[field] = vals } // get the status code statusCode := s.StatusCode if statusCode == 0 && s.StatusCodeStr != "" { intVal, err := strconv.Atoi(repl.ReplaceAll(s.StatusCodeStr, "")) if err == nil { statusCode = intVal } } if statusCode == 0 { statusCode = http.StatusOK } // write headers w.WriteHeader(statusCode) // write response body if s.Body != "" { fmt.Fprint(w, repl.ReplaceAll(s.Body, "")) } return nil } // Interface guard var _ Handler = (*Static)(nil)