Feat: generate share URL

pkg/hashid/hash.go

@@ -0,0 +1,33 @@
+package hashid
+
+import "github.com/HFO4/cloudreve/pkg/conf"
+import "github.com/speps/go-hashids"
+
+// ID类型
+const (
+	ShareID = iota // 分享
+	UserID         // 用户
+)
+
+// HashEncode 对给定数据计算HashID
+func HashEncode(v []int) (string, error) {
+	hd := hashids.NewData()
+	hd.Salt = conf.SystemConfig.HashIDSalt
+
+	h, err := hashids.NewWithData(hd)
+	if err != nil {
+		return "", err
+	}
+
+	id, err := h.Encode(v)
+	if err != nil {
+		return "", err
+	}
+	return id, nil
+}
+
+// HashID 计算数据库内主键对应的HashID
+func HashID(id uint, t int) string {
+	v, _ := HashEncode([]int{int(id), t})
+	return v
+}