gotty/server/middleware.go
Iwasaki Yudai a6133f34b7 Refactor
2017-08-11 15:31:11 +09:00

52 lines
1.4 KiB
Go

package server
import (
"encoding/base64"
"log"
"net/http"
"strings"
)
func (server *Server) wrapLogger(handler http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
rw := &logResponseWriter{w, 200}
handler.ServeHTTP(rw, r)
log.Printf("%s %d %s %s", r.RemoteAddr, rw.status, r.Method, r.URL.Path)
})
}
func (server *Server) wrapHeaders(handler http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// todo add version
w.Header().Set("Server", "GoTTY")
handler.ServeHTTP(w, r)
})
}
func (server *Server) wrapBasicAuth(handler http.Handler, credential string) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
token := strings.SplitN(r.Header.Get("Authorization"), " ", 2)
if len(token) != 2 || strings.ToLower(token[0]) != "basic" {
w.Header().Set("WWW-Authenticate", `Basic realm="GoTTY"`)
http.Error(w, "Bad Request", http.StatusUnauthorized)
return
}
payload, err := base64.StdEncoding.DecodeString(token[1])
if err != nil {
http.Error(w, "Internal Server Error", http.StatusInternalServerError)
return
}
if credential != string(payload) {
w.Header().Set("WWW-Authenticate", `Basic realm="GoTTY"`)
http.Error(w, "authorization failed", http.StatusUnauthorized)
return
}
log.Printf("Basic Authentication Succeeded: %s", r.RemoteAddr)
handler.ServeHTTP(w, r)
})
}