mirror of https://github.com/caddyserver/caddy.git
73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
package caddyhttp
|
|
|
|
import (
|
|
"fmt"
|
|
"net/http"
|
|
"strconv"
|
|
|
|
"github.com/caddyserver/caddy"
|
|
)
|
|
|
|
func init() {
|
|
caddy.RegisterModule(caddy.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(caddy.ReplacerCtxKey).(caddy.Replacer)
|
|
|
|
// close the connection after responding
|
|
r.Close = s.Close
|
|
|
|
// set all headers
|
|
for field, vals := range s.Headers {
|
|
field = repl.ReplaceAll(field, "")
|
|
newVals := make([]string, len(vals))
|
|
for i := range vals {
|
|
newVals[i] = repl.ReplaceAll(vals[i], "")
|
|
}
|
|
w.Header()[field] = newVals
|
|
}
|
|
|
|
// do not allow Go to sniff the content-type
|
|
if w.Header().Get("Content-Type") == "" {
|
|
w.Header()["Content-Type"] = nil
|
|
}
|
|
|
|
// 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)
|