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package sip2
import (
"encoding/json"
jwt "github.com/dgrijalva/jwt-go"
"log"
"net/http"
"time"
"0xacab.org/leap/vpnweb/pkg/config"
)
const LibraryLocation string = "testlibrary"
const SipUser string = "leap"
const SipPasswd string = "Kohapassword1!"
// XXX duplicated, pass in opts
var jwtSigningSecret = []byte("thesingingkey")
type Credentials struct {
User string
Password string
}
func SipAuthenticator(opts *config.Opts) http.HandlerFunc {
log.Println("Initializing sip2 authenticator...")
/* TODO -- should pass specific SIP options as a secondary struct */
/* TODO -- catch connection errors */
sip := NewClient("localhost", "6001", LibraryLocation)
ok, err := sip.Connect()
if err != nil {
log.Fatal("cannot connect sip client")
}
ok = sip.Login(SipUser, SipPasswd)
if !ok {
log.Println("Error on SIP login")
} else {
log.Println("SIP login ok")
}
var authTokenHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
var c Credentials
err := json.NewDecoder(r.Body).Decode(&c)
if err != nil {
log.Println("Auth request did not send valid json")
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if c.User == "" || c.Password == "" {
log.Println("Auth request did not include user or password")
http.Error(w, "missing user and/or password", http.StatusBadRequest)
return
}
valid := sip.CheckCredentials(c.User, c.Password)
if !valid {
log.Println("Wrong auth for user", c.User)
http.Error(w, "wrong user and/or password", http.StatusUnauthorized)
return
}
log.Println("Valid auth for user", c.User)
token := jwt.New(jwt.SigningMethodHS256)
claims := token.Claims.(jwt.MapClaims)
/* maybe no uid at all */
claims["uid"] = "user"
claims["exp"] = time.Now().Add(time.Hour * 24).Unix()
tokenString, _ := token.SignedString(jwtSigningSecret)
w.Write([]byte(tokenString))
})
return authTokenHandler
}
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