Fix: untracked files

pkg/serializer/upload.go

@@ -0,0 +1,63 @@
+package serializer
+
+import (
+	"encoding/base64"
+	"encoding/gob"
+	"encoding/json"
+)
+
+// UploadPolicy slave模式下传递的上传策略
+type UploadPolicy struct {
+	SavePath         string   `json:"save_path"`
+	FileName         string   `json:"file_name"`
+	AutoRename       bool     `json:"auto_rename"`
+	MaxSize          uint64   `json:"max_size"`
+	AllowedExtension []string `json:"allowed_extension"`
+	CallbackURL      string   `json:"callback_url"`
+}
+
+// UploadCredential 返回给客户端的上传凭证
+type UploadCredential struct {
+	Token  string `json:"token"`
+	Policy string `json:"policy"`
+}
+
+// UploadSession 上传会话
+type UploadSession struct {
+	UID         uint
+	VirtualPath string
+}
+
+func init() {
+	gob.Register(UploadSession{})
+}
+
+// DecodeUploadPolicy 反序列化Header中携带的上传策略
+func DecodeUploadPolicy(raw string) (*UploadPolicy, error) {
+	var res UploadPolicy
+
+	rawJSON, err := base64.StdEncoding.DecodeString(raw)
+	if err != nil {
+		return nil, err
+	}
+
+	err = json.Unmarshal(rawJSON, &res)
+	if err != nil {
+		return nil, err
+	}
+
+	return &res, err
+}
+
+// EncodeUploadPolicy 序列化Header中携带的上传策略
+// TODO 测试
+func (policy *UploadPolicy) EncodeUploadPolicy() (string, error) {
+	jsonRes, err := json.Marshal(policy)
+	if err != nil {
+		return "", err
+	}
+
+	res := base64.StdEncoding.EncodeToString(jsonRes)
+	return res, nil
+
+}