chore: add IN-USER and IN-NAME rules

rules/common/in_user.go

@@ -0,0 +1,49 @@
+package common
+
+import (
+	"fmt"
+	C "github.com/Dreamacro/clash/constant"
+	"strings"
+)
+
+type InUser struct {
+	*Base
+	users   []string
+	adapter string
+	payload string
+}
+
+func (u *InUser) Match(metadata *C.Metadata) (bool, string) {
+	for _, user := range u.users {
+		if metadata.InUser == user {
+			return true, u.adapter
+		}
+	}
+	return false, ""
+}
+
+func (u *InUser) RuleType() C.RuleType {
+	return C.InUser
+}
+
+func (u *InUser) Adapter() string {
+	return u.adapter
+}
+
+func (u *InUser) Payload() string {
+	return u.payload
+}
+
+func NewInUser(iUsers, adapter string) (*InUser, error) {
+	users := strings.Split(iUsers, "/")
+	if len(users) == 0 {
+		return nil, fmt.Errorf("in user couldn't be empty")
+	}
+
+	return &InUser{
+		Base:    &Base{},
+		users:   users,
+		adapter: adapter,
+		payload: iUsers,
+	}, nil
+}