feat: add log & supporting packages

internal/hson/req.go

@@ -0,0 +1,22 @@
+package hson
+
+import (
+	"bytes"
+	"encoding/json"
+
+	"github.com/fumiama/tienyik"
+	"github.com/fumiama/tienyik/internal/log"
+)
+
+func Marshal(tya *tienyik.AES, v any) []byte {
+	w := bytes.NewBuffer(make([]byte, 0, 1024))
+	err := json.NewEncoder(w).Encode(v)
+	if err != nil {
+		panic(err)
+	}
+	log.Debugln("Marshal JSON:", w.String())
+	if tya != nil {
+		return tya.Encrypt(w.Bytes())
+	}
+	return w.Bytes()
+}

internal/hson/resp.go

@@ -0,0 +1,56 @@
+package hson
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"errors"
+	"io"
+	"strconv"
+
+	"github.com/fumiama/tienyik"
+	"github.com/fumiama/tienyik/internal/log"
+)
+
+type responseBase[T any] struct {
+	Code  int    `json:"code"`
+	Msg   string `json:"msg"`
+	Data  T      `json:"data"`
+	EData string `json:"edata"`
+}
+
+func (rb *responseBase[T]) ok() error {
+	if rb.Code != 0 {
+		return errors.New("[" + strconv.Itoa(rb.Code) + "] " + rb.Msg)
+	}
+	return nil
+}
+
+func Unmarshal[T any](tya *tienyik.AES, r io.Reader) (data T, err error) {
+	var rsp responseBase[T]
+	err = json.NewDecoder(r).Decode(&rsp)
+	if err == nil {
+		err = rsp.ok()
+	}
+	if err != nil {
+		return
+	}
+	if len(rsp.EData) > 0 && tya != nil {
+		var d []byte
+		d, err = base64.StdEncoding.DecodeString(rsp.EData)
+		if err != nil {
+			return
+		}
+		d, err = tya.Decrypt(d)
+		if err != nil {
+			return
+		}
+		log.Debugln("decrypted data:", string(d))
+		err = json.Unmarshal(d, &rsp)
+		if err != nil {
+			return
+		}
+		err = rsp.ok()
+	}
+	data = rsp.Data
+	return
+}