From 85a1c337090dc8f7d2cd5d8ac200946574bcdc70 Mon Sep 17 00:00:00 2001
From: yuhan6665 <1588741+yuhan6665@users.noreply.github.com>
Date: Sun, 3 Nov 2024 00:25:23 -0400
Subject: [PATCH] API: Add new Get Inbound User (#3644)

* Add GetInboundUser in proto

* Add get user logic for all existing inbounds

* Add inbounduser command

* Add option to get all users

* Fix shadowsocks2022 config

* Fix init users in shadowsocks2022

* Fix copy

* Add inbound user count command

This api costs much less than get inbound user, could be useful in some case

* Update from latest main
---
 app/proxyman/command/command.go             |  41 ++
 app/proxyman/command/command.pb.go          | 441 ++++++++++++++------
 app/proxyman/command/command.proto          |  17 +
 app/proxyman/command/command_grpc.pb.go     |  88 +++-
 common/protocol/account.go                  |   3 +
 common/protocol/user.go                     |  16 +-
 core/proto.go                               |   4 +-
 infra/conf/shadowsocks.go                   |  10 +-
 main/commands/all/api/api.go                |   2 +
 main/commands/all/api/inbound_user.go       |  50 +++
 main/commands/all/api/inbound_user_count.go |  45 ++
 proxy/http/config.go                        |   6 +
 proxy/proxy.go                              |   9 +
 proxy/shadowsocks/config.go                 |  17 +-
 proxy/shadowsocks/server.go                 |  15 +
 proxy/shadowsocks/validator.go              |  34 ++
 proxy/shadowsocks_2022/config.go            |  14 +-
 proxy/shadowsocks_2022/config.pb.go         | 180 ++++----
 proxy/shadowsocks_2022/config.proto         |   7 +-
 proxy/shadowsocks_2022/inbound_multi.go     |  92 ++--
 proxy/socks/config.go                       |  10 +-
 proxy/trojan/config.go                      |   9 +-
 proxy/trojan/server.go                      |  15 +
 proxy/trojan/validator.go                   |  30 ++
 proxy/vless/account.go                      |  10 +
 proxy/vless/inbound/inbound.go              |  15 +
 proxy/vless/validator.go                    |  32 ++
 proxy/vmess/account.go                      |  16 +
 proxy/vmess/inbound/inbound.go              |  27 +-
 proxy/vmess/validator.go                    |  14 +
 30 files changed, 979 insertions(+), 290 deletions(-)
 create mode 100644 main/commands/all/api/inbound_user.go
 create mode 100644 main/commands/all/api/inbound_user_count.go

diff --git a/app/proxyman/command/command.go b/app/proxyman/command/command.go
index 4554f32b..3c7824d2 100644
--- a/app/proxyman/command/command.go
+++ b/app/proxyman/command/command.go
@@ -5,6 +5,7 @@ import (
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
+	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/inbound"
 	"github.com/xtls/xray-core/features/outbound"
@@ -98,6 +99,46 @@ func (s *handlerServer) AlterInbound(ctx context.Context, request *AlterInboundR
 	return &AlterInboundResponse{}, operation.ApplyInbound(ctx, handler)
 }
 
+func (s *handlerServer) GetInboundUsers(ctx context.Context, request *GetInboundUserRequest) (*GetInboundUserResponse, error) {
+	handler, err := s.ihm.GetHandler(ctx, request.Tag)
+	if err != nil {
+		return nil, errors.New("failed to get handler: ", request.Tag).Base(err)
+	}
+	p, err := getInbound(handler)
+	if err != nil {
+		return nil, err
+	}
+	um, ok := p.(proxy.UserManager)
+	if !ok {
+		return nil, errors.New("proxy is not a UserManager")
+	}
+	if len(request.Email) > 0 {
+		return &GetInboundUserResponse{Users: []*protocol.User{protocol.ToProtoUser(um.GetUser(ctx, request.Email))}}, nil
+	}
+	var result = make([]*protocol.User, 0, 100)
+	users := um.GetUsers(ctx)
+	for _, u := range users {
+		result = append(result, protocol.ToProtoUser(u))
+	}
+	return &GetInboundUserResponse{Users: result}, nil
+}
+
+func (s *handlerServer) GetInboundUsersCount(ctx context.Context, request *GetInboundUserRequest) (*GetInboundUsersCountResponse, error) {
+	handler, err := s.ihm.GetHandler(ctx, request.Tag)
+	if err != nil {
+		return nil, errors.New("failed to get handler: ", request.Tag).Base(err)
+	}
+	p, err := getInbound(handler)
+	if err != nil {
+		return nil, err
+	}
+	um, ok := p.(proxy.UserManager)
+	if !ok {
+		return nil, errors.New("proxy is not a UserManager")
+	}
+	return &GetInboundUsersCountResponse{Count: um.GetUsersCount(ctx)}, nil
+}
+
 func (s *handlerServer) AddOutbound(ctx context.Context, request *AddOutboundRequest) (*AddOutboundResponse, error) {
 	if err := core.AddOutboundHandler(s.s, request.Outbound); err != nil {
 		return nil, err
diff --git a/app/proxyman/command/command.pb.go b/app/proxyman/command/command.pb.go
index 32a29cc6..a98da103 100644
--- a/app/proxyman/command/command.pb.go
+++ b/app/proxyman/command/command.pb.go
@@ -364,6 +364,149 @@ func (*AlterInboundResponse) Descriptor() ([]byte, []int) {
 	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{7}
 }
 
+type GetInboundUserRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Tag   string `protobuf:"bytes,1,opt,name=tag,proto3" json:"tag,omitempty"`
+	Email string `protobuf:"bytes,2,opt,name=email,proto3" json:"email,omitempty"`
+}
+
+func (x *GetInboundUserRequest) Reset() {
+	*x = GetInboundUserRequest{}
+	mi := &file_app_proxyman_command_command_proto_msgTypes[8]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GetInboundUserRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetInboundUserRequest) ProtoMessage() {}
+
+func (x *GetInboundUserRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_app_proxyman_command_command_proto_msgTypes[8]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetInboundUserRequest.ProtoReflect.Descriptor instead.
+func (*GetInboundUserRequest) Descriptor() ([]byte, []int) {
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *GetInboundUserRequest) GetTag() string {
+	if x != nil {
+		return x.Tag
+	}
+	return ""
+}
+
+func (x *GetInboundUserRequest) GetEmail() string {
+	if x != nil {
+		return x.Email
+	}
+	return ""
+}
+
+type GetInboundUserResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Users []*protocol.User `protobuf:"bytes,1,rep,name=users,proto3" json:"users,omitempty"`
+}
+
+func (x *GetInboundUserResponse) Reset() {
+	*x = GetInboundUserResponse{}
+	mi := &file_app_proxyman_command_command_proto_msgTypes[9]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GetInboundUserResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetInboundUserResponse) ProtoMessage() {}
+
+func (x *GetInboundUserResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_app_proxyman_command_command_proto_msgTypes[9]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetInboundUserResponse.ProtoReflect.Descriptor instead.
+func (*GetInboundUserResponse) Descriptor() ([]byte, []int) {
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *GetInboundUserResponse) GetUsers() []*protocol.User {
+	if x != nil {
+		return x.Users
+	}
+	return nil
+}
+
+type GetInboundUsersCountResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Count int64 `protobuf:"varint,1,opt,name=count,proto3" json:"count,omitempty"`
+}
+
+func (x *GetInboundUsersCountResponse) Reset() {
+	*x = GetInboundUsersCountResponse{}
+	mi := &file_app_proxyman_command_command_proto_msgTypes[10]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GetInboundUsersCountResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetInboundUsersCountResponse) ProtoMessage() {}
+
+func (x *GetInboundUsersCountResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_app_proxyman_command_command_proto_msgTypes[10]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetInboundUsersCountResponse.ProtoReflect.Descriptor instead.
+func (*GetInboundUsersCountResponse) Descriptor() ([]byte, []int) {
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *GetInboundUsersCountResponse) GetCount() int64 {
+	if x != nil {
+		return x.Count
+	}
+	return 0
+}
+
 type AddOutboundRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -374,7 +517,7 @@ type AddOutboundRequest struct {
 
 func (x *AddOutboundRequest) Reset() {
 	*x = AddOutboundRequest{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[8]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[11]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -386,7 +529,7 @@ func (x *AddOutboundRequest) String() string {
 func (*AddOutboundRequest) ProtoMessage() {}
 
 func (x *AddOutboundRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[8]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[11]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -399,7 +542,7 @@ func (x *AddOutboundRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AddOutboundRequest.ProtoReflect.Descriptor instead.
 func (*AddOutboundRequest) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{8}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{11}
 }
 
 func (x *AddOutboundRequest) GetOutbound() *core.OutboundHandlerConfig {
@@ -417,7 +560,7 @@ type AddOutboundResponse struct {
 
 func (x *AddOutboundResponse) Reset() {
 	*x = AddOutboundResponse{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[9]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[12]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -429,7 +572,7 @@ func (x *AddOutboundResponse) String() string {
 func (*AddOutboundResponse) ProtoMessage() {}
 
 func (x *AddOutboundResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[9]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[12]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -442,7 +585,7 @@ func (x *AddOutboundResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AddOutboundResponse.ProtoReflect.Descriptor instead.
 func (*AddOutboundResponse) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{9}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{12}
 }
 
 type RemoveOutboundRequest struct {
@@ -455,7 +598,7 @@ type RemoveOutboundRequest struct {
 
 func (x *RemoveOutboundRequest) Reset() {
 	*x = RemoveOutboundRequest{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[10]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[13]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -467,7 +610,7 @@ func (x *RemoveOutboundRequest) String() string {
 func (*RemoveOutboundRequest) ProtoMessage() {}
 
 func (x *RemoveOutboundRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[10]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[13]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -480,7 +623,7 @@ func (x *RemoveOutboundRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RemoveOutboundRequest.ProtoReflect.Descriptor instead.
 func (*RemoveOutboundRequest) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{10}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *RemoveOutboundRequest) GetTag() string {
@@ -498,7 +641,7 @@ type RemoveOutboundResponse struct {
 
 func (x *RemoveOutboundResponse) Reset() {
 	*x = RemoveOutboundResponse{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[11]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[14]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -510,7 +653,7 @@ func (x *RemoveOutboundResponse) String() string {
 func (*RemoveOutboundResponse) ProtoMessage() {}
 
 func (x *RemoveOutboundResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[11]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[14]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -523,7 +666,7 @@ func (x *RemoveOutboundResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RemoveOutboundResponse.ProtoReflect.Descriptor instead.
 func (*RemoveOutboundResponse) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{11}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{14}
 }
 
 type AlterOutboundRequest struct {
@@ -537,7 +680,7 @@ type AlterOutboundRequest struct {
 
 func (x *AlterOutboundRequest) Reset() {
 	*x = AlterOutboundRequest{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[12]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[15]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -549,7 +692,7 @@ func (x *AlterOutboundRequest) String() string {
 func (*AlterOutboundRequest) ProtoMessage() {}
 
 func (x *AlterOutboundRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[12]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[15]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -562,7 +705,7 @@ func (x *AlterOutboundRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AlterOutboundRequest.ProtoReflect.Descriptor instead.
 func (*AlterOutboundRequest) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{12}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{15}
 }
 
 func (x *AlterOutboundRequest) GetTag() string {
@@ -587,7 +730,7 @@ type AlterOutboundResponse struct {
 
 func (x *AlterOutboundResponse) Reset() {
 	*x = AlterOutboundResponse{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[13]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[16]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -599,7 +742,7 @@ func (x *AlterOutboundResponse) String() string {
 func (*AlterOutboundResponse) ProtoMessage() {}
 
 func (x *AlterOutboundResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[13]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[16]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -612,7 +755,7 @@ func (x *AlterOutboundResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AlterOutboundResponse.ProtoReflect.Descriptor instead.
 func (*AlterOutboundResponse) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{13}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{16}
 }
 
 type Config struct {
@@ -623,7 +766,7 @@ type Config struct {
 
 func (x *Config) Reset() {
 	*x = Config{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[14]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[17]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -635,7 +778,7 @@ func (x *Config) String() string {
 func (*Config) ProtoMessage() {}
 
 func (x *Config) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[14]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[17]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -648,7 +791,7 @@ func (x *Config) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Config.ProtoReflect.Descriptor instead.
 func (*Config) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{14}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{17}
 }
 
 var File_app_proxyman_command_command_proto protoreflect.FileDescriptor
@@ -688,79 +831,107 @@ var file_app_proxyman_command_command_proto_rawDesc = []byte{
 	0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x73, 0x65, 0x72, 0x69, 0x61, 0x6c, 0x2e, 0x54, 0x79, 0x70,
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-	0x64, 0x12, 0x2d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f,
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-	0x00, 0x42, 0x6d, 0x0a, 0x1d, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70,
-	0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x61,
-	0x6e, 0x64, 0x50, 0x01, 0x5a, 0x2e, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d,
-	0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f,
-	0x61, 0x70, 0x70, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2f, 0x63, 0x6f, 0x6d,
-	0x6d, 0x61, 0x6e, 0x64, 0xaa, 0x02, 0x19, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e,
-	0x50, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64,
-	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x72, 0x4f, 0x75, 0x74, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
+	0x1a, 0x30, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78,
+	0x79, 0x6d, 0x61, 0x6e, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x2e, 0x41, 0x6c, 0x74,
+	0x65, 0x72, 0x4f, 0x75, 0x74, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e,
+	0x73, 0x65, 0x22, 0x00, 0x42, 0x6d, 0x0a, 0x1d, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79,
+	0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2e, 0x63, 0x6f,
+	0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x50, 0x01, 0x5a, 0x2e, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e,
+	0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f,
+	0x72, 0x65, 0x2f, 0x61, 0x70, 0x70, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2f,
+	0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0xaa, 0x02, 0x19, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41,
+	0x70, 0x70, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2e, 0x43, 0x6f, 0x6d, 0x6d,
+	0x61, 0x6e, 0x64, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -775,51 +946,59 @@ func file_app_proxyman_command_command_proto_rawDescGZIP() []byte {
 	return file_app_proxyman_command_command_proto_rawDescData
 }
 
-var file_app_proxyman_command_command_proto_msgTypes = make([]protoimpl.MessageInfo, 15)
+var file_app_proxyman_command_command_proto_msgTypes = make([]protoimpl.MessageInfo, 18)
 var file_app_proxyman_command_command_proto_goTypes = []any{
-	(*AddUserOperation)(nil),           // 0: xray.app.proxyman.command.AddUserOperation
-	(*RemoveUserOperation)(nil),        // 1: xray.app.proxyman.command.RemoveUserOperation
-	(*AddInboundRequest)(nil),          // 2: xray.app.proxyman.command.AddInboundRequest
-	(*AddInboundResponse)(nil),         // 3: xray.app.proxyman.command.AddInboundResponse
-	(*RemoveInboundRequest)(nil),       // 4: xray.app.proxyman.command.RemoveInboundRequest
-	(*RemoveInboundResponse)(nil),      // 5: xray.app.proxyman.command.RemoveInboundResponse
-	(*AlterInboundRequest)(nil),        // 6: xray.app.proxyman.command.AlterInboundRequest
-	(*AlterInboundResponse)(nil),       // 7: xray.app.proxyman.command.AlterInboundResponse
-	(*AddOutboundRequest)(nil),         // 8: xray.app.proxyman.command.AddOutboundRequest
-	(*AddOutboundResponse)(nil),        // 9: xray.app.proxyman.command.AddOutboundResponse
-	(*RemoveOutboundRequest)(nil),      // 10: xray.app.proxyman.command.RemoveOutboundRequest
-	(*RemoveOutboundResponse)(nil),     // 11: xray.app.proxyman.command.RemoveOutboundResponse
-	(*AlterOutboundRequest)(nil),       // 12: xray.app.proxyman.command.AlterOutboundRequest
-	(*AlterOutboundResponse)(nil),      // 13: xray.app.proxyman.command.AlterOutboundResponse
-	(*Config)(nil),                     // 14: xray.app.proxyman.command.Config
-	(*protocol.User)(nil),              // 15: xray.common.protocol.User
-	(*core.InboundHandlerConfig)(nil),  // 16: xray.core.InboundHandlerConfig
-	(*serial.TypedMessage)(nil),        // 17: xray.common.serial.TypedMessage
-	(*core.OutboundHandlerConfig)(nil), // 18: xray.core.OutboundHandlerConfig
+	(*AddUserOperation)(nil),             // 0: xray.app.proxyman.command.AddUserOperation
+	(*RemoveUserOperation)(nil),          // 1: xray.app.proxyman.command.RemoveUserOperation
+	(*AddInboundRequest)(nil),            // 2: xray.app.proxyman.command.AddInboundRequest
+	(*AddInboundResponse)(nil),           // 3: xray.app.proxyman.command.AddInboundResponse
+	(*RemoveInboundRequest)(nil),         // 4: xray.app.proxyman.command.RemoveInboundRequest
+	(*RemoveInboundResponse)(nil),        // 5: xray.app.proxyman.command.RemoveInboundResponse
+	(*AlterInboundRequest)(nil),          // 6: xray.app.proxyman.command.AlterInboundRequest
+	(*AlterInboundResponse)(nil),         // 7: xray.app.proxyman.command.AlterInboundResponse
+	(*GetInboundUserRequest)(nil),        // 8: xray.app.proxyman.command.GetInboundUserRequest
+	(*GetInboundUserResponse)(nil),       // 9: xray.app.proxyman.command.GetInboundUserResponse
+	(*GetInboundUsersCountResponse)(nil), // 10: xray.app.proxyman.command.GetInboundUsersCountResponse
+	(*AddOutboundRequest)(nil),           // 11: xray.app.proxyman.command.AddOutboundRequest
+	(*AddOutboundResponse)(nil),          // 12: xray.app.proxyman.command.AddOutboundResponse
+	(*RemoveOutboundRequest)(nil),        // 13: xray.app.proxyman.command.RemoveOutboundRequest
+	(*RemoveOutboundResponse)(nil),       // 14: xray.app.proxyman.command.RemoveOutboundResponse
+	(*AlterOutboundRequest)(nil),         // 15: xray.app.proxyman.command.AlterOutboundRequest
+	(*AlterOutboundResponse)(nil),        // 16: xray.app.proxyman.command.AlterOutboundResponse
+	(*Config)(nil),                       // 17: xray.app.proxyman.command.Config
+	(*protocol.User)(nil),                // 18: xray.common.protocol.User
+	(*core.InboundHandlerConfig)(nil),    // 19: xray.core.InboundHandlerConfig
+	(*serial.TypedMessage)(nil),          // 20: xray.common.serial.TypedMessage
+	(*core.OutboundHandlerConfig)(nil),   // 21: xray.core.OutboundHandlerConfig
 }
 var file_app_proxyman_command_command_proto_depIdxs = []int32{
-	15, // 0: xray.app.proxyman.command.AddUserOperation.user:type_name -> xray.common.protocol.User
-	16, // 1: xray.app.proxyman.command.AddInboundRequest.inbound:type_name -> xray.core.InboundHandlerConfig
-	17, // 2: xray.app.proxyman.command.AlterInboundRequest.operation:type_name -> xray.common.serial.TypedMessage
-	18, // 3: xray.app.proxyman.command.AddOutboundRequest.outbound:type_name -> xray.core.OutboundHandlerConfig
-	17, // 4: xray.app.proxyman.command.AlterOutboundRequest.operation:type_name -> xray.common.serial.TypedMessage
-	2,  // 5: xray.app.proxyman.command.HandlerService.AddInbound:input_type -> xray.app.proxyman.command.AddInboundRequest
-	4,  // 6: xray.app.proxyman.command.HandlerService.RemoveInbound:input_type -> xray.app.proxyman.command.RemoveInboundRequest
-	6,  // 7: xray.app.proxyman.command.HandlerService.AlterInbound:input_type -> xray.app.proxyman.command.AlterInboundRequest
-	8,  // 8: xray.app.proxyman.command.HandlerService.AddOutbound:input_type -> xray.app.proxyman.command.AddOutboundRequest
-	10, // 9: xray.app.proxyman.command.HandlerService.RemoveOutbound:input_type -> xray.app.proxyman.command.RemoveOutboundRequest
-	12, // 10: xray.app.proxyman.command.HandlerService.AlterOutbound:input_type -> xray.app.proxyman.command.AlterOutboundRequest
-	3,  // 11: xray.app.proxyman.command.HandlerService.AddInbound:output_type -> xray.app.proxyman.command.AddInboundResponse
-	5,  // 12: xray.app.proxyman.command.HandlerService.RemoveInbound:output_type -> xray.app.proxyman.command.RemoveInboundResponse
-	7,  // 13: xray.app.proxyman.command.HandlerService.AlterInbound:output_type -> xray.app.proxyman.command.AlterInboundResponse
-	9,  // 14: xray.app.proxyman.command.HandlerService.AddOutbound:output_type -> xray.app.proxyman.command.AddOutboundResponse
-	11, // 15: xray.app.proxyman.command.HandlerService.RemoveOutbound:output_type -> xray.app.proxyman.command.RemoveOutboundResponse
-	13, // 16: xray.app.proxyman.command.HandlerService.AlterOutbound:output_type -> xray.app.proxyman.command.AlterOutboundResponse
-	11, // [11:17] is the sub-list for method output_type
-	5,  // [5:11] is the sub-list for method input_type
-	5,  // [5:5] is the sub-list for extension type_name
-	5,  // [5:5] is the sub-list for extension extendee
-	0,  // [0:5] is the sub-list for field type_name
+	18, // 0: xray.app.proxyman.command.AddUserOperation.user:type_name -> xray.common.protocol.User
+	19, // 1: xray.app.proxyman.command.AddInboundRequest.inbound:type_name -> xray.core.InboundHandlerConfig
+	20, // 2: xray.app.proxyman.command.AlterInboundRequest.operation:type_name -> xray.common.serial.TypedMessage
+	18, // 3: xray.app.proxyman.command.GetInboundUserResponse.users:type_name -> xray.common.protocol.User
+	21, // 4: xray.app.proxyman.command.AddOutboundRequest.outbound:type_name -> xray.core.OutboundHandlerConfig
+	20, // 5: xray.app.proxyman.command.AlterOutboundRequest.operation:type_name -> xray.common.serial.TypedMessage
+	2,  // 6: xray.app.proxyman.command.HandlerService.AddInbound:input_type -> xray.app.proxyman.command.AddInboundRequest
+	4,  // 7: xray.app.proxyman.command.HandlerService.RemoveInbound:input_type -> xray.app.proxyman.command.RemoveInboundRequest
+	6,  // 8: xray.app.proxyman.command.HandlerService.AlterInbound:input_type -> xray.app.proxyman.command.AlterInboundRequest
+	8,  // 9: xray.app.proxyman.command.HandlerService.GetInboundUsers:input_type -> xray.app.proxyman.command.GetInboundUserRequest
+	8,  // 10: xray.app.proxyman.command.HandlerService.GetInboundUsersCount:input_type -> xray.app.proxyman.command.GetInboundUserRequest
+	11, // 11: xray.app.proxyman.command.HandlerService.AddOutbound:input_type -> xray.app.proxyman.command.AddOutboundRequest
+	13, // 12: xray.app.proxyman.command.HandlerService.RemoveOutbound:input_type -> xray.app.proxyman.command.RemoveOutboundRequest
+	15, // 13: xray.app.proxyman.command.HandlerService.AlterOutbound:input_type -> xray.app.proxyman.command.AlterOutboundRequest
+	3,  // 14: xray.app.proxyman.command.HandlerService.AddInbound:output_type -> xray.app.proxyman.command.AddInboundResponse
+	5,  // 15: xray.app.proxyman.command.HandlerService.RemoveInbound:output_type -> xray.app.proxyman.command.RemoveInboundResponse
+	7,  // 16: xray.app.proxyman.command.HandlerService.AlterInbound:output_type -> xray.app.proxyman.command.AlterInboundResponse
+	9,  // 17: xray.app.proxyman.command.HandlerService.GetInboundUsers:output_type -> xray.app.proxyman.command.GetInboundUserResponse
+	10, // 18: xray.app.proxyman.command.HandlerService.GetInboundUsersCount:output_type -> xray.app.proxyman.command.GetInboundUsersCountResponse
+	12, // 19: xray.app.proxyman.command.HandlerService.AddOutbound:output_type -> xray.app.proxyman.command.AddOutboundResponse
+	14, // 20: xray.app.proxyman.command.HandlerService.RemoveOutbound:output_type -> xray.app.proxyman.command.RemoveOutboundResponse
+	16, // 21: xray.app.proxyman.command.HandlerService.AlterOutbound:output_type -> xray.app.proxyman.command.AlterOutboundResponse
+	14, // [14:22] is the sub-list for method output_type
+	6,  // [6:14] is the sub-list for method input_type
+	6,  // [6:6] is the sub-list for extension type_name
+	6,  // [6:6] is the sub-list for extension extendee
+	0,  // [0:6] is the sub-list for field type_name
 }
 
 func init() { file_app_proxyman_command_command_proto_init() }
@@ -833,7 +1012,7 @@ func file_app_proxyman_command_command_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_app_proxyman_command_command_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   15,
+			NumMessages:   18,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/app/proxyman/command/command.proto b/app/proxyman/command/command.proto
index 5a09bd88..9a2d0142 100644
--- a/app/proxyman/command/command.proto
+++ b/app/proxyman/command/command.proto
@@ -37,6 +37,19 @@ message AlterInboundRequest {
 
 message AlterInboundResponse {}
 
+message GetInboundUserRequest {
+  string tag = 1;
+  string email = 2;
+}
+
+message GetInboundUserResponse {
+  repeated xray.common.protocol.User users = 1;
+}
+
+message GetInboundUsersCountResponse {
+  int64 count = 1;
+}
+
 message AddOutboundRequest {
   core.OutboundHandlerConfig outbound = 1;
 }
@@ -63,6 +76,10 @@ service HandlerService {
 
   rpc AlterInbound(AlterInboundRequest) returns (AlterInboundResponse) {}
 
+  rpc GetInboundUsers(GetInboundUserRequest) returns (GetInboundUserResponse) {}
+
+  rpc GetInboundUsersCount(GetInboundUserRequest) returns (GetInboundUsersCountResponse) {}
+
   rpc AddOutbound(AddOutboundRequest) returns (AddOutboundResponse) {}
 
   rpc RemoveOutbound(RemoveOutboundRequest) returns (RemoveOutboundResponse) {}
diff --git a/app/proxyman/command/command_grpc.pb.go b/app/proxyman/command/command_grpc.pb.go
index 4f12836b..7abbae8e 100644
--- a/app/proxyman/command/command_grpc.pb.go
+++ b/app/proxyman/command/command_grpc.pb.go
@@ -19,12 +19,14 @@ import (
 const _ = grpc.SupportPackageIsVersion9
 
 const (
-	HandlerService_AddInbound_FullMethodName     = "/xray.app.proxyman.command.HandlerService/AddInbound"
-	HandlerService_RemoveInbound_FullMethodName  = "/xray.app.proxyman.command.HandlerService/RemoveInbound"
-	HandlerService_AlterInbound_FullMethodName   = "/xray.app.proxyman.command.HandlerService/AlterInbound"
-	HandlerService_AddOutbound_FullMethodName    = "/xray.app.proxyman.command.HandlerService/AddOutbound"
-	HandlerService_RemoveOutbound_FullMethodName = "/xray.app.proxyman.command.HandlerService/RemoveOutbound"
-	HandlerService_AlterOutbound_FullMethodName  = "/xray.app.proxyman.command.HandlerService/AlterOutbound"
+	HandlerService_AddInbound_FullMethodName           = "/xray.app.proxyman.command.HandlerService/AddInbound"
+	HandlerService_RemoveInbound_FullMethodName        = "/xray.app.proxyman.command.HandlerService/RemoveInbound"
+	HandlerService_AlterInbound_FullMethodName         = "/xray.app.proxyman.command.HandlerService/AlterInbound"
+	HandlerService_GetInboundUsers_FullMethodName      = "/xray.app.proxyman.command.HandlerService/GetInboundUsers"
+	HandlerService_GetInboundUsersCount_FullMethodName = "/xray.app.proxyman.command.HandlerService/GetInboundUsersCount"
+	HandlerService_AddOutbound_FullMethodName          = "/xray.app.proxyman.command.HandlerService/AddOutbound"
+	HandlerService_RemoveOutbound_FullMethodName       = "/xray.app.proxyman.command.HandlerService/RemoveOutbound"
+	HandlerService_AlterOutbound_FullMethodName        = "/xray.app.proxyman.command.HandlerService/AlterOutbound"
 )
 
 // HandlerServiceClient is the client API for HandlerService service.
@@ -34,6 +36,8 @@ type HandlerServiceClient interface {
 	AddInbound(ctx context.Context, in *AddInboundRequest, opts ...grpc.CallOption) (*AddInboundResponse, error)
 	RemoveInbound(ctx context.Context, in *RemoveInboundRequest, opts ...grpc.CallOption) (*RemoveInboundResponse, error)
 	AlterInbound(ctx context.Context, in *AlterInboundRequest, opts ...grpc.CallOption) (*AlterInboundResponse, error)
+	GetInboundUsers(ctx context.Context, in *GetInboundUserRequest, opts ...grpc.CallOption) (*GetInboundUserResponse, error)
+	GetInboundUsersCount(ctx context.Context, in *GetInboundUserRequest, opts ...grpc.CallOption) (*GetInboundUsersCountResponse, error)
 	AddOutbound(ctx context.Context, in *AddOutboundRequest, opts ...grpc.CallOption) (*AddOutboundResponse, error)
 	RemoveOutbound(ctx context.Context, in *RemoveOutboundRequest, opts ...grpc.CallOption) (*RemoveOutboundResponse, error)
 	AlterOutbound(ctx context.Context, in *AlterOutboundRequest, opts ...grpc.CallOption) (*AlterOutboundResponse, error)
@@ -77,6 +81,26 @@ func (c *handlerServiceClient) AlterInbound(ctx context.Context, in *AlterInboun
 	return out, nil
 }
 
+func (c *handlerServiceClient) GetInboundUsers(ctx context.Context, in *GetInboundUserRequest, opts ...grpc.CallOption) (*GetInboundUserResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(GetInboundUserResponse)
+	err := c.cc.Invoke(ctx, HandlerService_GetInboundUsers_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *handlerServiceClient) GetInboundUsersCount(ctx context.Context, in *GetInboundUserRequest, opts ...grpc.CallOption) (*GetInboundUsersCountResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(GetInboundUsersCountResponse)
+	err := c.cc.Invoke(ctx, HandlerService_GetInboundUsersCount_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *handlerServiceClient) AddOutbound(ctx context.Context, in *AddOutboundRequest, opts ...grpc.CallOption) (*AddOutboundResponse, error) {
 	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
 	out := new(AddOutboundResponse)
@@ -114,6 +138,8 @@ type HandlerServiceServer interface {
 	AddInbound(context.Context, *AddInboundRequest) (*AddInboundResponse, error)
 	RemoveInbound(context.Context, *RemoveInboundRequest) (*RemoveInboundResponse, error)
 	AlterInbound(context.Context, *AlterInboundRequest) (*AlterInboundResponse, error)
+	GetInboundUsers(context.Context, *GetInboundUserRequest) (*GetInboundUserResponse, error)
+	GetInboundUsersCount(context.Context, *GetInboundUserRequest) (*GetInboundUsersCountResponse, error)
 	AddOutbound(context.Context, *AddOutboundRequest) (*AddOutboundResponse, error)
 	RemoveOutbound(context.Context, *RemoveOutboundRequest) (*RemoveOutboundResponse, error)
 	AlterOutbound(context.Context, *AlterOutboundRequest) (*AlterOutboundResponse, error)
@@ -136,6 +162,12 @@ func (UnimplementedHandlerServiceServer) RemoveInbound(context.Context, *RemoveI
 func (UnimplementedHandlerServiceServer) AlterInbound(context.Context, *AlterInboundRequest) (*AlterInboundResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method AlterInbound not implemented")
 }
+func (UnimplementedHandlerServiceServer) GetInboundUsers(context.Context, *GetInboundUserRequest) (*GetInboundUserResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetInboundUsers not implemented")
+}
+func (UnimplementedHandlerServiceServer) GetInboundUsersCount(context.Context, *GetInboundUserRequest) (*GetInboundUsersCountResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetInboundUsersCount not implemented")
+}
 func (UnimplementedHandlerServiceServer) AddOutbound(context.Context, *AddOutboundRequest) (*AddOutboundResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method AddOutbound not implemented")
 }
@@ -220,6 +252,42 @@ func _HandlerService_AlterInbound_Handler(srv interface{}, ctx context.Context,
 	return interceptor(ctx, in, info, handler)
 }
 
+func _HandlerService_GetInboundUsers_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetInboundUserRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HandlerServiceServer).GetInboundUsers(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: HandlerService_GetInboundUsers_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HandlerServiceServer).GetInboundUsers(ctx, req.(*GetInboundUserRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _HandlerService_GetInboundUsersCount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetInboundUserRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HandlerServiceServer).GetInboundUsersCount(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: HandlerService_GetInboundUsersCount_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HandlerServiceServer).GetInboundUsersCount(ctx, req.(*GetInboundUserRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _HandlerService_AddOutbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(AddOutboundRequest)
 	if err := dec(in); err != nil {
@@ -293,6 +361,14 @@ var HandlerService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "AlterInbound",
 			Handler:    _HandlerService_AlterInbound_Handler,
 		},
+		{
+			MethodName: "GetInboundUsers",
+			Handler:    _HandlerService_GetInboundUsers_Handler,
+		},
+		{
+			MethodName: "GetInboundUsersCount",
+			Handler:    _HandlerService_GetInboundUsersCount_Handler,
+		},
 		{
 			MethodName: "AddOutbound",
 			Handler:    _HandlerService_AddOutbound_Handler,
diff --git a/common/protocol/account.go b/common/protocol/account.go
index 7793974a..75568817 100644
--- a/common/protocol/account.go
+++ b/common/protocol/account.go
@@ -1,8 +1,11 @@
 package protocol
 
+import "google.golang.org/protobuf/proto"
+
 // Account is a user identity used for authentication.
 type Account interface {
 	Equals(Account) bool
+	ToProto() proto.Message
 }
 
 // AsAccount is an object can be converted into account.
diff --git a/common/protocol/user.go b/common/protocol/user.go
index d6e3a131..2986eb19 100644
--- a/common/protocol/user.go
+++ b/common/protocol/user.go
@@ -1,6 +1,9 @@
 package protocol
 
-import "github.com/xtls/xray-core/common/errors"
+import (
+	"github.com/xtls/xray-core/common/errors"
+	"github.com/xtls/xray-core/common/serial"
+)
 
 func (u *User) GetTypedAccount() (Account, error) {
 	if u.GetAccount() == nil {
@@ -32,6 +35,17 @@ func (u *User) ToMemoryUser() (*MemoryUser, error) {
 	}, nil
 }
 
+func ToProtoUser(mu *MemoryUser) *User {
+	if mu == nil {
+		return nil
+	}
+	return &User{
+		Account: serial.ToTypedMessage(mu.Account.ToProto()),
+		Email: mu.Email,
+		Level: mu.Level,
+	}
+}
+
 // MemoryUser is a parsed form of User, to reduce number of parsing of Account proto.
 type MemoryUser struct {
 	// Account is the parsed account of the protocol.
diff --git a/core/proto.go b/core/proto.go
index b85d99d8..030365cc 100644
--- a/core/proto.go
+++ b/core/proto.go
@@ -1,5 +1,5 @@
 package core
 
-//go:generate go install -v google.golang.org/protobuf/cmd/protoc-gen-go@v1.34.2
-//go:generate go install -v google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.5.1
+//go:generate go install -v google.golang.org/protobuf/cmd/protoc-gen-go@latest
+//go:generate go install -v google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
 //go:generate go run ../infra/vprotogen/main.go -pwd ./..
diff --git a/infra/conf/shadowsocks.go b/infra/conf/shadowsocks.go
index 1bd6462c..f12040a6 100644
--- a/infra/conf/shadowsocks.go
+++ b/infra/conf/shadowsocks.go
@@ -126,9 +126,13 @@ func buildShadowsocks2022(v *ShadowsocksServerConfig) (proto.Message, error) {
 			if user.Cipher != "" {
 				return nil, errors.New("shadowsocks 2022 (multi-user): users must have empty method")
 			}
-			config.Users = append(config.Users, &shadowsocks_2022.User{
-				Key:   user.Password,
-				Email: user.Email,
+			account := &shadowsocks_2022.Account{
+				Key: user.Password,
+			}
+			config.Users = append(config.Users, &protocol.User{
+				Email:   user.Email,
+				Level:   uint32(user.Level),
+				Account: serial.ToTypedMessage(account),
 			})
 		}
 		return config, nil
diff --git a/main/commands/all/api/api.go b/main/commands/all/api/api.go
index ea43d107..5e21884b 100644
--- a/main/commands/all/api/api.go
+++ b/main/commands/all/api/api.go
@@ -21,6 +21,8 @@ var CmdAPI = &base.Command{
 		cmdAddOutbounds,
 		cmdRemoveInbounds,
 		cmdRemoveOutbounds,
+		cmdInboundUser,
+		cmdInboundUserCount,
 		cmdAddRules,
 		cmdRemoveRules,
 		cmdSourceIpBlock,
diff --git a/main/commands/all/api/inbound_user.go b/main/commands/all/api/inbound_user.go
new file mode 100644
index 00000000..6ffa4ebb
--- /dev/null
+++ b/main/commands/all/api/inbound_user.go
@@ -0,0 +1,50 @@
+package api
+
+import (
+	handlerService "github.com/xtls/xray-core/app/proxyman/command"
+	"github.com/xtls/xray-core/main/commands/base"
+)
+
+var cmdInboundUser = &base.Command{
+	CustomFlags: true,
+	UsageLine:   "{{.Exec}} api inbounduser [--server=127.0.0.1:8080] -tag=tag [-email=email]",
+	Short:       "Get Inbound User",
+	Long: `
+Get User info from an inbound.
+Arguments:
+	-s, -server 
+		The API server address. Default 127.0.0.1:8080
+	-t, -timeout
+		Timeout seconds to call API. Default 3
+	-tag
+	    Inbound tag
+    -email
+		User email. If email is not given, will get all users
+Example:
+    {{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -tag="tag name" -email="xray@love.com"
+`,
+	Run: executeInboundUser,
+}
+
+func executeInboundUser(cmd *base.Command, args []string) {
+	setSharedFlags(cmd)
+	var tag string
+	var email string
+	cmd.Flag.StringVar(&tag, "tag", "", "")
+	cmd.Flag.StringVar(&email, "email", "", "")
+	cmd.Flag.Parse(args)
+
+	conn, ctx, close := dialAPIServer()
+	defer close()
+
+	client := handlerService.NewHandlerServiceClient(conn)
+	r := &handlerService.GetInboundUserRequest{
+		Tag: tag,
+		Email: email,
+	}
+	resp, err := client.GetInboundUsers(ctx, r)
+	if err != nil {
+		base.Fatalf("failed to get inbound user: %s", err)
+	}
+	showJSONResponse(resp)
+}
diff --git a/main/commands/all/api/inbound_user_count.go b/main/commands/all/api/inbound_user_count.go
new file mode 100644
index 00000000..18cab7e8
--- /dev/null
+++ b/main/commands/all/api/inbound_user_count.go
@@ -0,0 +1,45 @@
+package api
+
+import (
+	handlerService "github.com/xtls/xray-core/app/proxyman/command"
+	"github.com/xtls/xray-core/main/commands/base"
+)
+
+var cmdInboundUserCount = &base.Command{
+	CustomFlags: true,
+	UsageLine:   "{{.Exec}} api inboundusercount [--server=127.0.0.1:8080] -tag=tag",
+	Short:       "Get Inbound User Count",
+	Long: `
+Get User count from an inbound.
+Arguments:
+	-s, -server 
+		The API server address. Default 127.0.0.1:8080
+	-t, -timeout
+		Timeout seconds to call API. Default 3
+	-tag
+	    Inbound tag
+Example:
+    {{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -tag="tag name"
+`,
+	Run: executeInboundUserCount,
+}
+
+func executeInboundUserCount(cmd *base.Command, args []string) {
+	setSharedFlags(cmd)
+	var tag string
+	cmd.Flag.StringVar(&tag, "tag", "", "")
+	cmd.Flag.Parse(args)
+
+	conn, ctx, close := dialAPIServer()
+	defer close()
+
+	client := handlerService.NewHandlerServiceClient(conn)
+	r := &handlerService.GetInboundUserRequest{
+		Tag: tag,
+	}
+	resp, err := client.GetInboundUsersCount(ctx, r)
+	if err != nil {
+		base.Fatalf("failed to get inbound user count: %s", err)
+	}
+	showJSONResponse(resp)
+}
diff --git a/proxy/http/config.go b/proxy/http/config.go
index 00ce0795..a41bb010 100644
--- a/proxy/http/config.go
+++ b/proxy/http/config.go
@@ -1,6 +1,8 @@
 package http
 
 import (
+	"google.golang.org/protobuf/proto"
+
 	"github.com/xtls/xray-core/common/protocol"
 )
 
@@ -11,6 +13,10 @@ func (a *Account) Equals(another protocol.Account) bool {
 	return false
 }
 
+func (a *Account) ToProto() proto.Message {
+	return a
+}
+
 func (a *Account) AsAccount() (protocol.Account, error) {
 	return a, nil
 }
diff --git a/proxy/proxy.go b/proxy/proxy.go
index b507cc39..868c8dfc 100644
--- a/proxy/proxy.go
+++ b/proxy/proxy.go
@@ -78,6 +78,15 @@ type UserManager interface {
 
 	// RemoveUser removes a user by email.
 	RemoveUser(context.Context, string) error
+	
+	// Get user by email.
+	GetUser(context.Context, string) *protocol.MemoryUser
+
+	// Get all users.
+	GetUsers(context.Context) []*protocol.MemoryUser
+
+	// Get users count.
+	GetUsersCount(context.Context) int64
 }
 
 type GetInbound interface {
diff --git a/proxy/shadowsocks/config.go b/proxy/shadowsocks/config.go
index 396e59be..e2d812ab 100644
--- a/proxy/shadowsocks/config.go
+++ b/proxy/shadowsocks/config.go
@@ -6,6 +6,7 @@ import (
 	"crypto/cipher"
 	"crypto/md5"
 	"crypto/sha1"
+	"google.golang.org/protobuf/proto"
 	"io"
 
 	"github.com/xtls/xray-core/common"
@@ -20,8 +21,10 @@ import (
 
 // MemoryAccount is an account type converted from Account.
 type MemoryAccount struct {
-	Cipher Cipher
-	Key    []byte
+	Cipher     Cipher
+	CipherType CipherType 
+	Key        []byte
+	Password   string
 
 	replayFilter antireplay.GeneralizedReplayFilter
 }
@@ -36,6 +39,14 @@ func (a *MemoryAccount) Equals(another protocol.Account) bool {
 	return false
 }
 
+func (a *MemoryAccount) ToProto() proto.Message {
+	return &Account{
+		CipherType: a.CipherType,
+		Password: a.Password,
+		IvCheck: a.replayFilter != nil,
+	}
+}
+
 func (a *MemoryAccount) CheckIV(iv []byte) error {
 	if a.replayFilter == nil {
 		return nil
@@ -107,7 +118,9 @@ func (a *Account) AsAccount() (protocol.Account, error) {
 	}
 	return &MemoryAccount{
 		Cipher: Cipher,
+		CipherType: a.CipherType,
 		Key:    passwordToCipherKey([]byte(a.Password), Cipher.KeySize()),
+		Password: a.Password,
 		replayFilter: func() antireplay.GeneralizedReplayFilter {
 			if a.IvCheck {
 				return antireplay.NewBloomRing()
diff --git a/proxy/shadowsocks/server.go b/proxy/shadowsocks/server.go
index e6135a45..356868e4 100644
--- a/proxy/shadowsocks/server.go
+++ b/proxy/shadowsocks/server.go
@@ -63,6 +63,21 @@ func (s *Server) RemoveUser(ctx context.Context, e string) error {
 	return s.validator.Del(e)
 }
 
+// GetUser implements proxy.UserManager.GetUser().
+func (s *Server) GetUser(ctx context.Context, email string) *protocol.MemoryUser {
+	return s.validator.GetByEmail(email)
+}
+
+// GetUsers implements proxy.UserManager.GetUsers().
+func (s *Server) GetUsers(ctx context.Context) []*protocol.MemoryUser {
+	return s.validator.GetAll()
+}
+
+// GetUsersCount implements proxy.UserManager.GetUsersCount().
+func (s *Server) GetUsersCount(context.Context) int64 {
+	return s.validator.GetCount()
+}
+
 func (s *Server) Network() []net.Network {
 	list := s.config.Network
 	if len(list) == 0 {
diff --git a/proxy/shadowsocks/validator.go b/proxy/shadowsocks/validator.go
index ae92a8dc..84e59dc1 100644
--- a/proxy/shadowsocks/validator.go
+++ b/proxy/shadowsocks/validator.go
@@ -74,6 +74,40 @@ func (v *Validator) Del(email string) error {
 	return nil
 }
 
+// GetByEmail Get a Shadowsocks user with a non-empty Email.
+func (v *Validator) GetByEmail(email string) *protocol.MemoryUser {
+	if email == "" {
+		return nil
+	}
+
+	v.Lock()
+	defer v.Unlock()
+
+	email = strings.ToLower(email)
+	for _, u := range v.users {
+		if strings.EqualFold(u.Email, email) {
+			return u
+		}
+	}
+	return nil
+}
+
+// GetAll get all users
+func (v *Validator) GetAll() []*protocol.MemoryUser {
+	v.Lock()
+	defer v.Unlock()
+	dst := make([]*protocol.MemoryUser, len(v.users))
+	copy(dst, v.users)
+	return dst
+}
+
+// GetCount get users count
+func (v *Validator) GetCount() int64 {
+	v.Lock()
+	defer v.Unlock()
+	return int64(len(v.users))
+}
+
 // Get a Shadowsocks user.
 func (v *Validator) Get(bs []byte, command protocol.RequestCommand) (u *protocol.MemoryUser, aead cipher.AEAD, ret []byte, ivLen int32, err error) {
 	v.RLock()
diff --git a/proxy/shadowsocks_2022/config.go b/proxy/shadowsocks_2022/config.go
index 8a66406c..3678cd58 100644
--- a/proxy/shadowsocks_2022/config.go
+++ b/proxy/shadowsocks_2022/config.go
@@ -1,22 +1,20 @@
 package shadowsocks_2022
 
 import (
+	"google.golang.org/protobuf/proto"
+
 	"github.com/xtls/xray-core/common/protocol"
 )
 
 // MemoryAccount is an account type converted from Account.
 type MemoryAccount struct {
 	Key   string
-	Email string
-	Level int32
 }
 
 // AsAccount implements protocol.AsAccount.
-func (u *User) AsAccount() (protocol.Account, error) {
+func (u *Account) AsAccount() (protocol.Account, error) {
 	return &MemoryAccount{
 		Key:   u.GetKey(),
-		Email: u.GetEmail(),
-		Level: u.GetLevel(),
 	}, nil
 }
 
@@ -27,3 +25,9 @@ func (a *MemoryAccount) Equals(another protocol.Account) bool {
 	}
 	return false
 }
+
+func (a *MemoryAccount) ToProto() proto.Message {
+	return &Account{
+		Key: a.Key,
+	}
+}
diff --git a/proxy/shadowsocks_2022/config.pb.go b/proxy/shadowsocks_2022/config.pb.go
index b47438ea..f2f78ad6 100644
--- a/proxy/shadowsocks_2022/config.pb.go
+++ b/proxy/shadowsocks_2022/config.pb.go
@@ -8,6 +8,7 @@ package shadowsocks_2022
 
 import (
 	net "github.com/xtls/xray-core/common/net"
+	protocol "github.com/xtls/xray-core/common/protocol"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -103,10 +104,10 @@ type MultiUserServerConfig struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Method  string        `protobuf:"bytes,1,opt,name=method,proto3" json:"method,omitempty"`
-	Key     string        `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
-	Users   []*User       `protobuf:"bytes,3,rep,name=users,proto3" json:"users,omitempty"`
-	Network []net.Network `protobuf:"varint,4,rep,packed,name=network,proto3,enum=xray.common.net.Network" json:"network,omitempty"`
+	Method  string           `protobuf:"bytes,1,opt,name=method,proto3" json:"method,omitempty"`
+	Key     string           `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
+	Users   []*protocol.User `protobuf:"bytes,3,rep,name=users,proto3" json:"users,omitempty"`
+	Network []net.Network    `protobuf:"varint,4,rep,packed,name=network,proto3,enum=xray.common.net.Network" json:"network,omitempty"`
 }
 
 func (x *MultiUserServerConfig) Reset() {
@@ -153,7 +154,7 @@ func (x *MultiUserServerConfig) GetKey() string {
 	return ""
 }
 
-func (x *MultiUserServerConfig) GetUsers() []*User {
+func (x *MultiUserServerConfig) GetUsers() []*protocol.User {
 	if x != nil {
 		return x.Users
 	}
@@ -313,30 +314,28 @@ func (x *RelayServerConfig) GetNetwork() []net.Network {
 	return nil
 }
 
-type User struct {
+type Account struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Key   string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
-	Email string `protobuf:"bytes,2,opt,name=email,proto3" json:"email,omitempty"`
-	Level int32  `protobuf:"varint,3,opt,name=level,proto3" json:"level,omitempty"`
+	Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
 }
 
-func (x *User) Reset() {
-	*x = User{}
+func (x *Account) Reset() {
+	*x = Account{}
 	mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[4]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
 
-func (x *User) String() string {
+func (x *Account) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 
-func (*User) ProtoMessage() {}
+func (*Account) ProtoMessage() {}
 
-func (x *User) ProtoReflect() protoreflect.Message {
+func (x *Account) ProtoReflect() protoreflect.Message {
 	mi := &file_proxy_shadowsocks_2022_config_proto_msgTypes[4]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -348,32 +347,18 @@ func (x *User) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
 
-// Deprecated: Use User.ProtoReflect.Descriptor instead.
-func (*User) Descriptor() ([]byte, []int) {
+// Deprecated: Use Account.ProtoReflect.Descriptor instead.
+func (*Account) Descriptor() ([]byte, []int) {
 	return file_proxy_shadowsocks_2022_config_proto_rawDescGZIP(), []int{4}
 }
 
-func (x *User) GetKey() string {
+func (x *Account) GetKey() string {
 	if x != nil {
 		return x.Key
 	}
 	return ""
 }
 
-func (x *User) GetEmail() string {
-	if x != nil {
-		return x.Email
-	}
-	return ""
-}
-
-func (x *User) GetLevel() int32 {
-	if x != nil {
-		return x.Level
-	}
-	return 0
-}
-
 type ClientConfig struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -469,76 +454,74 @@ var file_proxy_shadowsocks_2022_config_proto_rawDesc = []byte{
 	0x32, 0x32, 0x1a, 0x18, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x6e, 0x65, 0x74, 0x2f, 0x6e,
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+	0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x49, 0x50,
+	0x4f, 0x72, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x52, 0x07, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73,
+	0x73, 0x12, 0x12, 0x0a, 0x04, 0x70, 0x6f, 0x72, 0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0d, 0x52,
+	0x04, 0x70, 0x6f, 0x72, 0x74, 0x12, 0x16, 0x0a, 0x06, 0x6d, 0x65, 0x74, 0x68, 0x6f, 0x64, 0x18,
+	0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x6d, 0x65, 0x74, 0x68, 0x6f, 0x64, 0x12, 0x10, 0x0a,
+	0x03, 0x6b, 0x65, 0x79, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12,
+	0x20, 0x0a, 0x0c, 0x75, 0x64, 0x70, 0x5f, 0x6f, 0x76, 0x65, 0x72, 0x5f, 0x74, 0x63, 0x70, 0x18,
+	0x05, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0a, 0x75, 0x64, 0x70, 0x4f, 0x76, 0x65, 0x72, 0x54, 0x63,
+	0x70, 0x12, 0x2f, 0x0a, 0x14, 0x75, 0x64, 0x70, 0x5f, 0x6f, 0x76, 0x65, 0x72, 0x5f, 0x74, 0x63,
+	0x70, 0x5f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x06, 0x20, 0x01, 0x28, 0x0d, 0x52,
+	0x11, 0x75, 0x64, 0x70, 0x4f, 0x76, 0x65, 0x72, 0x54, 0x63, 0x70, 0x56, 0x65, 0x72, 0x73, 0x69,
+	0x6f, 0x6e, 0x42, 0x72, 0x0a, 0x1f, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70,
+	0x72, 0x6f, 0x78, 0x79, 0x2e, 0x73, 0x68, 0x61, 0x64, 0x6f, 0x77, 0x73, 0x6f, 0x63, 0x6b, 0x73,
+	0x5f, 0x32, 0x30, 0x32, 0x32, 0x50, 0x01, 0x5a, 0x30, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e,
+	0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f,
+	0x72, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x73, 0x68, 0x61, 0x64, 0x6f, 0x77, 0x73,
+	0x6f, 0x63, 0x6b, 0x73, 0x5f, 0x32, 0x30, 0x32, 0x32, 0xaa, 0x02, 0x1a, 0x58, 0x72, 0x61, 0x79,
+	0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x53, 0x68, 0x61, 0x64, 0x6f, 0x77, 0x73, 0x6f, 0x63,
+	0x6b, 0x73, 0x32, 0x30, 0x32, 0x32, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -559,19 +542,20 @@ var file_proxy_shadowsocks_2022_config_proto_goTypes = []any{
 	(*MultiUserServerConfig)(nil), // 1: xray.proxy.shadowsocks_2022.MultiUserServerConfig
 	(*RelayDestination)(nil),      // 2: xray.proxy.shadowsocks_2022.RelayDestination
 	(*RelayServerConfig)(nil),     // 3: xray.proxy.shadowsocks_2022.RelayServerConfig
-	(*User)(nil),                  // 4: xray.proxy.shadowsocks_2022.User
+	(*Account)(nil),               // 4: xray.proxy.shadowsocks_2022.Account
 	(*ClientConfig)(nil),          // 5: xray.proxy.shadowsocks_2022.ClientConfig
 	(net.Network)(0),              // 6: xray.common.net.Network
-	(*net.IPOrDomain)(nil),        // 7: xray.common.net.IPOrDomain
+	(*protocol.User)(nil),         // 7: xray.common.protocol.User
+	(*net.IPOrDomain)(nil),        // 8: xray.common.net.IPOrDomain
 }
 var file_proxy_shadowsocks_2022_config_proto_depIdxs = []int32{
 	6, // 0: xray.proxy.shadowsocks_2022.ServerConfig.network:type_name -> xray.common.net.Network
-	4, // 1: xray.proxy.shadowsocks_2022.MultiUserServerConfig.users:type_name -> xray.proxy.shadowsocks_2022.User
+	7, // 1: xray.proxy.shadowsocks_2022.MultiUserServerConfig.users:type_name -> xray.common.protocol.User
 	6, // 2: xray.proxy.shadowsocks_2022.MultiUserServerConfig.network:type_name -> xray.common.net.Network
-	7, // 3: xray.proxy.shadowsocks_2022.RelayDestination.address:type_name -> xray.common.net.IPOrDomain
+	8, // 3: xray.proxy.shadowsocks_2022.RelayDestination.address:type_name -> xray.common.net.IPOrDomain
 	2, // 4: xray.proxy.shadowsocks_2022.RelayServerConfig.destinations:type_name -> xray.proxy.shadowsocks_2022.RelayDestination
 	6, // 5: xray.proxy.shadowsocks_2022.RelayServerConfig.network:type_name -> xray.common.net.Network
-	7, // 6: xray.proxy.shadowsocks_2022.ClientConfig.address:type_name -> xray.common.net.IPOrDomain
+	8, // 6: xray.proxy.shadowsocks_2022.ClientConfig.address:type_name -> xray.common.net.IPOrDomain
 	7, // [7:7] is the sub-list for method output_type
 	7, // [7:7] is the sub-list for method input_type
 	7, // [7:7] is the sub-list for extension type_name
diff --git a/proxy/shadowsocks_2022/config.proto b/proxy/shadowsocks_2022/config.proto
index 60540991..14006648 100644
--- a/proxy/shadowsocks_2022/config.proto
+++ b/proxy/shadowsocks_2022/config.proto
@@ -8,6 +8,7 @@ option java_multiple_files = true;
 
 import "common/net/network.proto";
 import "common/net/address.proto";
+import "common/protocol/user.proto";
 
 message ServerConfig {
   string method = 1;
@@ -20,7 +21,7 @@ message ServerConfig {
 message MultiUserServerConfig {
   string method = 1;
   string key = 2;
-  repeated User users = 3;
+  repeated xray.common.protocol.User users = 3;
   repeated xray.common.net.Network network = 4;
 }
 
@@ -39,10 +40,8 @@ message RelayServerConfig {
   repeated xray.common.net.Network network = 4;
 }
 
-message User {
+message Account {
   string key = 1;
-  string email = 2;
-  int32 level = 3;
 }
 
 message ClientConfig {
diff --git a/proxy/shadowsocks_2022/inbound_multi.go b/proxy/shadowsocks_2022/inbound_multi.go
index 8cb2d65e..20b85139 100644
--- a/proxy/shadowsocks_2022/inbound_multi.go
+++ b/proxy/shadowsocks_2022/inbound_multi.go
@@ -37,7 +37,7 @@ func init() {
 type MultiUserInbound struct {
 	sync.Mutex
 	networks []net.Network
-	users    []*User
+	users    []*protocol.MemoryUser
 	service  *shadowaead_2022.MultiService[int]
 }
 
@@ -49,9 +49,22 @@ func NewMultiServer(ctx context.Context, config *MultiUserServerConfig) (*MultiU
 			net.Network_UDP,
 		}
 	}
+	memUsers := []*protocol.MemoryUser{}
+	for i, user := range config.Users {
+		if user.Email == "" {
+			u := uuid.New()
+			user.Email = "unnamed-user-" + strconv.Itoa(i) + "-" + u.String()
+		}
+		u, err := user.ToMemoryUser()
+		if err != nil {
+			return nil, errors.New("failed to get shadowsocks user").Base(err).AtError()
+		}
+		memUsers = append(memUsers, u)
+	}
+
 	inbound := &MultiUserInbound{
 		networks: networks,
-		users:    config.Users,
+		users:    memUsers,
 	}
 	if config.Key == "" {
 		return nil, errors.New("missing key")
@@ -64,16 +77,9 @@ func NewMultiServer(ctx context.Context, config *MultiUserServerConfig) (*MultiU
 	if err != nil {
 		return nil, errors.New("create service").Base(err)
 	}
-
-	for i, user := range config.Users {
-		if user.Email == "" {
-			u := uuid.New()
-			user.Email = "unnamed-user-" + strconv.Itoa(i) + "-" + u.String()
-		}
-	}
 	err = service.UpdateUsersWithPasswords(
-		C.MapIndexed(config.Users, func(index int, it *User) int { return index }),
-		C.Map(config.Users, func(it *User) string { return it.Key }),
+		C.MapIndexed(memUsers, func(index int, it *protocol.MemoryUser) int { return index }),
+		C.Map(memUsers, func(it *protocol.MemoryUser) string { return it.Account.(*MemoryAccount).Key }),
 	)
 	if err != nil {
 		return nil, errors.New("create service").Base(err)
@@ -88,25 +94,20 @@ func (i *MultiUserInbound) AddUser(ctx context.Context, u *protocol.MemoryUser)
 	i.Lock()
 	defer i.Unlock()
 
-	account := u.Account.(*MemoryAccount)
-	if account.Email != "" {
+	if u.Email != "" {
 		for idx := range i.users {
-			if i.users[idx].Email == account.Email {
-				return errors.New("User ", account.Email, " already exists.")
+			if i.users[idx].Email == u.Email {
+				return errors.New("User ", u.Email, " already exists.")
 			}
 		}
 	}
-	i.users = append(i.users, &User{
-		Key:   account.Key,
-		Email: account.Email,
-		Level: account.Level,
-	})
+	i.users = append(i.users, u)
 
 	// sync to multi service
 	// Considering implements shadowsocks2022 in xray-core may have better performance.
 	i.service.UpdateUsersWithPasswords(
-		C.MapIndexed(i.users, func(index int, it *User) int { return index }),
-		C.Map(i.users, func(it *User) string { return it.Key }),
+		C.MapIndexed(i.users, func(index int, it *protocol.MemoryUser) int { return index }),
+		C.Map(i.users, func(it *protocol.MemoryUser) string { return it.Account.(*MemoryAccount).Key }),
 	)
 
 	return nil
@@ -142,13 +143,46 @@ func (i *MultiUserInbound) RemoveUser(ctx context.Context, email string) error {
 	// sync to multi service
 	// Considering implements shadowsocks2022 in xray-core may have better performance.
 	i.service.UpdateUsersWithPasswords(
-		C.MapIndexed(i.users, func(index int, it *User) int { return index }),
-		C.Map(i.users, func(it *User) string { return it.Key }),
+		C.MapIndexed(i.users, func(index int, it *protocol.MemoryUser) int { return index }),
+		C.Map(i.users, func(it *protocol.MemoryUser) string { return it.Account.(*MemoryAccount).Key }),
 	)
 
 	return nil
 }
 
+// GetUser implements proxy.UserManager.GetUser().
+func (i *MultiUserInbound) GetUser(ctx context.Context, email string) *protocol.MemoryUser {
+	if email == "" {
+		return nil
+	}
+	
+	i.Lock()
+	defer i.Unlock()
+
+	for _, u := range i.users {
+		if strings.EqualFold(u.Email, email) {
+			return u
+		}
+	}
+	return nil
+}
+
+// GetUsers implements proxy.UserManager.GetUsers().
+func (i *MultiUserInbound) GetUsers(ctx context.Context) []*protocol.MemoryUser {
+	i.Lock()
+	defer i.Unlock()
+	dst := make([]*protocol.MemoryUser, len(i.users))
+	copy(dst, i.users)
+	return dst
+}
+
+// GetUsersCount implements proxy.UserManager.GetUsersCount().
+func (i *MultiUserInbound) GetUsersCount(context.Context) int64 {
+	i.Lock()
+	defer i.Unlock()
+	return int64(len(i.users))
+}
+
 func (i *MultiUserInbound) Network() []net.Network {
 	return i.networks
 }
@@ -194,10 +228,7 @@ func (i *MultiUserInbound) NewConnection(ctx context.Context, conn net.Conn, met
 	inbound := session.InboundFromContext(ctx)
 	userInt, _ := A.UserFromContext[int](ctx)
 	user := i.users[userInt]
-	inbound.User = &protocol.MemoryUser{
-		Email: user.Email,
-		Level: uint32(user.Level),
-	}
+	inbound.User = user
 	ctx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{
 		From:   metadata.Source,
 		To:     metadata.Destination,
@@ -222,10 +253,7 @@ func (i *MultiUserInbound) NewPacketConnection(ctx context.Context, conn N.Packe
 	inbound := session.InboundFromContext(ctx)
 	userInt, _ := A.UserFromContext[int](ctx)
 	user := i.users[userInt]
-	inbound.User = &protocol.MemoryUser{
-		Email: user.Email,
-		Level: uint32(user.Level),
-	}
+	inbound.User = user
 	ctx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{
 		From:   metadata.Source,
 		To:     metadata.Destination,
diff --git a/proxy/socks/config.go b/proxy/socks/config.go
index 3b162abe..e8aa328a 100644
--- a/proxy/socks/config.go
+++ b/proxy/socks/config.go
@@ -1,6 +1,10 @@
 package socks
 
-import "github.com/xtls/xray-core/common/protocol"
+import (
+	"google.golang.org/protobuf/proto"
+
+	"github.com/xtls/xray-core/common/protocol"
+)
 
 func (a *Account) Equals(another protocol.Account) bool {
 	if account, ok := another.(*Account); ok {
@@ -9,6 +13,10 @@ func (a *Account) Equals(another protocol.Account) bool {
 	return false
 }
 
+func (a *Account) ToProto() proto.Message {
+	return a
+}
+
 func (a *Account) AsAccount() (protocol.Account, error) {
 	return a, nil
 }
diff --git a/proxy/trojan/config.go b/proxy/trojan/config.go
index a02dfe98..b7591996 100644
--- a/proxy/trojan/config.go
+++ b/proxy/trojan/config.go
@@ -3,7 +3,8 @@ package trojan
 import (
 	"crypto/sha256"
 	"encoding/hex"
-	fmt "fmt"
+	"fmt"
+	"google.golang.org/protobuf/proto"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/protocol"
@@ -33,6 +34,12 @@ func (a *MemoryAccount) Equals(another protocol.Account) bool {
 	return false
 }
 
+func (a *MemoryAccount) ToProto() proto.Message {
+	return &Account{
+		Password: a.Password,
+	}
+}
+
 func hexSha224(password string) []byte {
 	buf := make([]byte, 56)
 	hash := sha256.New224()
diff --git a/proxy/trojan/server.go b/proxy/trojan/server.go
index 6110eec0..20ac1fd1 100644
--- a/proxy/trojan/server.go
+++ b/proxy/trojan/server.go
@@ -125,6 +125,21 @@ func (s *Server) RemoveUser(ctx context.Context, e string) error {
 	return s.validator.Del(e)
 }
 
+// GetUser implements proxy.UserManager.GetUser().
+func (s *Server) GetUser(ctx context.Context, email string) *protocol.MemoryUser {
+	return s.validator.GetByEmail(email)
+}
+
+// GetUsers implements proxy.UserManager.GetUsers().
+func (s *Server) GetUsers(ctx context.Context) []*protocol.MemoryUser {
+	return s.validator.GetAll()
+}
+
+// GetUsersCount implements proxy.UserManager.GetUsersCount().
+func (s *Server) GetUsersCount(context.Context) int64 {
+	return s.validator.GetCount()
+}
+
 // Network implements proxy.Inbound.Network().
 func (s *Server) Network() []net.Network {
 	return []net.Network{net.Network_TCP, net.Network_UNIX}
diff --git a/proxy/trojan/validator.go b/proxy/trojan/validator.go
index 4ffe41a1..fb3499fa 100644
--- a/proxy/trojan/validator.go
+++ b/proxy/trojan/validator.go
@@ -50,3 +50,33 @@ func (v *Validator) Get(hash string) *protocol.MemoryUser {
 	}
 	return nil
 }
+
+
+// Get a trojan user with hashed key, nil if user doesn't exist.
+func (v *Validator) GetByEmail(email string) *protocol.MemoryUser {
+	u, _ := v.email.Load(email)
+	if u != nil {
+		return u.(*protocol.MemoryUser)
+	}
+	return nil
+}
+
+// Get all users
+func (v *Validator) GetAll() []*protocol.MemoryUser {
+	var u = make([]*protocol.MemoryUser, 0, 100)
+	v.email.Range(func(key, value interface{}) bool {
+		u = append(u, value.(*protocol.MemoryUser))
+		return true
+	})
+	return u
+}
+
+// Get users count
+func (v *Validator) GetCount() int64 {
+	var c int64 = 0
+	v.email.Range(func(key, value interface{}) bool {
+		c++
+		return true
+	})
+	return c
+}
diff --git a/proxy/vless/account.go b/proxy/vless/account.go
index 5349a3bd..798b93f4 100644
--- a/proxy/vless/account.go
+++ b/proxy/vless/account.go
@@ -1,6 +1,8 @@
 package vless
 
 import (
+	"google.golang.org/protobuf/proto"
+
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/common/uuid"
@@ -37,3 +39,11 @@ func (a *MemoryAccount) Equals(account protocol.Account) bool {
 	}
 	return a.ID.Equals(vlessAccount.ID)
 }
+
+func (a *MemoryAccount) ToProto() proto.Message {
+	return &Account{
+		Id: a.ID.String(),
+		Flow: a.Flow,
+		Encryption: a.Encryption,
+	}
+}
diff --git a/proxy/vless/inbound/inbound.go b/proxy/vless/inbound/inbound.go
index f443007d..48849eb2 100644
--- a/proxy/vless/inbound/inbound.go
+++ b/proxy/vless/inbound/inbound.go
@@ -172,6 +172,21 @@ func (h *Handler) RemoveUser(ctx context.Context, e string) error {
 	return h.validator.Del(e)
 }
 
+// GetUser implements proxy.UserManager.GetUser().
+func (h *Handler) GetUser(ctx context.Context, email string) *protocol.MemoryUser {
+	return h.validator.GetByEmail(email)
+}
+
+// GetUsers implements proxy.UserManager.GetUsers().
+func (h *Handler) GetUsers(ctx context.Context) []*protocol.MemoryUser {
+	return h.validator.GetAll()
+}
+
+// GetUsersCount implements proxy.UserManager.GetUsersCount().
+func (h *Handler) GetUsersCount(context.Context) int64 {
+	return h.validator.GetCount()
+}
+
 // Network implements proxy.Inbound.Network().
 func (*Handler) Network() []net.Network {
 	return []net.Network{net.Network_TCP, net.Network_UNIX}
diff --git a/proxy/vless/validator.go b/proxy/vless/validator.go
index 596cb62f..ddac6cbb 100644
--- a/proxy/vless/validator.go
+++ b/proxy/vless/validator.go
@@ -13,6 +13,9 @@ type Validator interface {
 	Get(id uuid.UUID) *protocol.MemoryUser
 	Add(u *protocol.MemoryUser) error
 	Del(email string) error
+	GetByEmail(email string) *protocol.MemoryUser
+	GetAll() []*protocol.MemoryUser
+	GetCount() int64
 }
 
 // MemoryValidator stores valid VLESS users.
@@ -57,3 +60,32 @@ func (v *MemoryValidator) Get(id uuid.UUID) *protocol.MemoryUser {
 	}
 	return nil
 }
+
+// Get a VLESS user with email, nil if user doesn't exist.
+func (v *MemoryValidator) GetByEmail(email string) *protocol.MemoryUser {
+	u, _ := v.email.Load(email)
+	if u != nil {
+		return u.(*protocol.MemoryUser)
+	}
+	return nil
+}
+
+// Get all users
+func (v *MemoryValidator) GetAll() []*protocol.MemoryUser {
+	var u = make([]*protocol.MemoryUser, 0, 100)
+	v.email.Range(func(key, value interface{}) bool {
+		u = append(u, value.(*protocol.MemoryUser))
+		return true
+	})
+	return u
+}
+
+// Get users count
+func (v *MemoryValidator) GetCount() int64 {
+	var c int64 = 0
+	v.email.Range(func(key, value interface{}) bool {
+		c++
+		return true
+	})
+	return c
+}
diff --git a/proxy/vmess/account.go b/proxy/vmess/account.go
index 5ece7a57..d063f9f5 100644
--- a/proxy/vmess/account.go
+++ b/proxy/vmess/account.go
@@ -1,6 +1,7 @@
 package vmess
 
 import (
+	"google.golang.org/protobuf/proto"
 	"strings"
 
 	"github.com/xtls/xray-core/common/errors"
@@ -28,6 +29,21 @@ func (a *MemoryAccount) Equals(account protocol.Account) bool {
 	return a.ID.Equals(vmessAccount.ID)
 }
 
+func (a *MemoryAccount) ToProto() proto.Message {
+	var test = ""
+	if a.AuthenticatedLengthExperiment {
+		test = "AuthenticatedLength|"
+	}
+	if a.NoTerminationSignal {
+		test = test + "NoTerminationSignal"
+	}
+	return &Account{
+		Id: a.ID.String(),
+		TestsEnabled: test,
+		SecuritySettings: &protocol.SecurityConfig{Type: a.Security},
+	}
+}
+
 // AsAccount implements protocol.Account.
 func (a *Account) AsAccount() (protocol.Account, error) {
 	id, err := uuid.ParseString(a.Id)
diff --git a/proxy/vmess/inbound/inbound.go b/proxy/vmess/inbound/inbound.go
index 3102414d..28b560d8 100644
--- a/proxy/vmess/inbound/inbound.go
+++ b/proxy/vmess/inbound/inbound.go
@@ -56,7 +56,7 @@ func (v *userByEmail) Add(u *protocol.MemoryUser) bool {
 	return v.addNoLock(u)
 }
 
-func (v *userByEmail) Get(email string) (*protocol.MemoryUser, bool) {
+func (v *userByEmail) GetOrGenerate(email string) (*protocol.MemoryUser, bool) {
 	email = strings.ToLower(email)
 
 	v.Lock()
@@ -80,6 +80,13 @@ func (v *userByEmail) Get(email string) (*protocol.MemoryUser, bool) {
 	return user, found
 }
 
+func (v *userByEmail) Get(email string) *protocol.MemoryUser {
+	email = strings.ToLower(email)
+	v.Lock()
+	defer v.Unlock()
+	return v.cache[email]
+}
+
 func (v *userByEmail) Remove(email string) bool {
 	email = strings.ToLower(email)
 
@@ -141,14 +148,26 @@ func (*Handler) Network() []net.Network {
 	return []net.Network{net.Network_TCP, net.Network_UNIX}
 }
 
-func (h *Handler) GetUser(email string) *protocol.MemoryUser {
-	user, existing := h.usersByEmail.Get(email)
+func (h *Handler) GetOrGenerateUser(email string) *protocol.MemoryUser {
+	user, existing := h.usersByEmail.GetOrGenerate(email)
 	if !existing {
 		h.clients.Add(user)
 	}
 	return user
 }
 
+func (h *Handler) GetUser(ctx context.Context, email string) *protocol.MemoryUser {
+	return h.usersByEmail.Get(email)
+}
+
+func (h *Handler) GetUsers(ctx context.Context) []*protocol.MemoryUser {
+	return h.clients.GetUsers()
+}
+
+func (h *Handler) GetUsersCount(context.Context) int64 {
+	return h.clients.GetCount()
+}
+
 func (h *Handler) AddUser(ctx context.Context, user *protocol.MemoryUser) error {
 	if len(user.Email) > 0 && !h.usersByEmail.Add(user) {
 		return errors.New("User ", user.Email, " already exists.")
@@ -321,7 +340,7 @@ func (h *Handler) generateCommand(ctx context.Context, request *protocol.Request
 				}
 
 				errors.LogDebug(ctx, "pick detour handler for port ", port, " for ", availableMin, " minutes.")
-				user := inboundHandler.GetUser(request.User.Email)
+				user := inboundHandler.GetOrGenerateUser(request.User.Email)
 				if user == nil {
 					return nil
 				}
diff --git a/proxy/vmess/validator.go b/proxy/vmess/validator.go
index 43ced006..b3a82f30 100644
--- a/proxy/vmess/validator.go
+++ b/proxy/vmess/validator.go
@@ -56,6 +56,20 @@ func (v *TimedUserValidator) Add(u *protocol.MemoryUser) error {
 	return nil
 }
 
+func (v *TimedUserValidator) GetUsers() []*protocol.MemoryUser {
+	v.Lock()
+	defer v.Unlock()
+	dst := make([]*protocol.MemoryUser, len(v.users))
+	copy(dst, v.users)
+	return dst
+}
+
+func (v *TimedUserValidator) GetCount() int64 {
+	v.Lock()
+	defer v.Unlock()
+	return int64(len(v.users))
+}
+
 func (v *TimedUserValidator) GetAEAD(userHash []byte) (*protocol.MemoryUser, bool, error) {
 	v.RLock()
 	defer v.RUnlock()