func randCryptoCtx() event.CryptoContext {
r := rand.New(rand.NewSource(time.Now().UnixNano()))
tmp := uint64(r.Int63())
var ctx event.CryptoContext
ctx.EncryptIV = tmp
ctx.DecryptIV = tmp
ctx.Method = event.GetDefaultCryptoMethod()
return ctx
}
func httpInvoke(w http.ResponseWriter, r *http.Request) {
b := make([]byte, r.ContentLength)
r.Body.Read(b)
buf := bytes.NewBuffer(b)
ctx := appengine.NewContext(r)
var cryptoContext event.CryptoContext
err, ev := event.DecryptEvent(buf, &cryptoContext)
if nil != err {
ctx.Errorf("Decode auth event failed:%v", err)
return
}
//var iv uint64
if auth, ok := ev.(*event.AuthEvent); ok {
if !remote.ServerConf.VerifyUser(auth.User) {
return
}
cryptoContext.DecryptIV = auth.IV
cryptoContext.EncryptIV = auth.IV
cryptoContext.Method = auth.EncryptMethod
} else {
ctx.Errorf("Expected auth event, but got %T", ev)
return
}
err, ev = event.DecryptEvent(buf, &cryptoContext)
if nil != err {
ctx.Errorf("Decode http request event failed:%v", err)
return
}
if req, ok := ev.(*event.HTTPRequestEvent); ok {
res := fetch(ctx, req)
var resbuf bytes.Buffer
event.EncryptEvent(&resbuf, res, &cryptoContext)
headers := w.Header()
headers.Add("Content-Type", "application/octet-stream")
headers.Add("Content-Length", strconv.Itoa(resbuf.Len()))
w.WriteHeader(http.StatusOK)
w.Write(resbuf.Bytes())
} else {
ctx.Errorf("Expected http request event, but got %T", ev)
return
}
}