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package dyndns
import (
"errors"
"fmt"
"net/http"
//"strings"
)
var (
ErrBadAuth = errors.New("badauth")
ErrNotFQDN = errors.New("notfqdn")
ErrNoHost = errors.New("nohost")
ErrNumHost = errors.New("numhost")
ErrAbuse = errors.New("abuse")
ErrBadAgent = errors.New("badagent")
ErrDNSErr = errors.New("dnserr")
Err911 = errors.New("911")
)
var errorCode = map[error]int{
ErrBadAuth: 401,
ErrNotFQDN: 406,
ErrNoHost: 406,
ErrNumHost: 406,
ErrAbuse: 406,
ErrBadAgent: 406,
ErrDNSErr: 500,
Err911: 500,
}
// https://{user}:{key}@example.com/v3/update?hostname={hostname}
// https://{user}:{key}@example.com/v3/update?hostname={hostname}&myip={IP address}
func respond(w http.ResponseWriter, e error) {
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
w.Header().Set("X-Content-Type-Options", "nosniff")
w.WriteHeader(errorCode[e])
fmt.Fprintln(w, e)
}
func basicAuth(next http.HandlerFunc) http.HandlerFunc {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
username, password, _ := r.BasicAuth()
if !validateAuth(username, password) {
respond(w, ErrBadAuth)
return
}
next(w, r)
})
}
func validateAuth(username, password string) bool {
// TODO lookup
if username == "username" && password == "password" {
return true
}
return false
}
func handleRequest(w http.ResponseWriter, r *http.Request) {
qs := r.URL.Query()
hnStr := qs.Get("hostname")
if hnStr == "" {
respond(w, ErrNoHost)
return
}
//hostnames := strings.Split(hnStr, ",")
}
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