wireguard-dashboard/http/api/client.go
2024-03-15 15:43:37 +08:00

342 lines
8.9 KiB
Go

package api
import (
"encoding/json"
"fmt"
"gitee.ltd/lxh/logger/log"
"github.com/gin-gonic/gin"
"os"
"strings"
"wireguard-dashboard/client"
"wireguard-dashboard/http/param"
"wireguard-dashboard/model/entity"
"wireguard-dashboard/model/template_data"
"wireguard-dashboard/model/vo"
"wireguard-dashboard/queues"
"wireguard-dashboard/repository"
"wireguard-dashboard/utils"
)
type clients struct{}
func Client() clients {
return clients{}
}
// List
// @description: 客户端列表
// @receiver clients
// @param c
func (clients) List(c *gin.Context) {
var p param.ClientList
if err := c.ShouldBind(&p); err != nil {
utils.GinResponse(c).FailedWithErr("参数错误", err)
return
}
data, total, err := repository.Client().List(p)
if err != nil {
utils.GinResponse(c).FailedWithMsg("获取失败")
return
}
utils.GinResponse(c).OkWithPage(data, total, p.Current, p.Size)
}
// Save
// @description: 新增/更新客户端
// @receiver clients
// @param c
func (clients) Save(c *gin.Context) {
var p param.SaveClient
if err := c.ShouldBind(&p); err != nil {
utils.GinResponse(c).FailedWithErr("参数错误", err)
return
}
info, ok := c.Get("user")
if !ok {
utils.GinResponse(c).FailedWithMsg("获取信息失败")
return
}
_, err := repository.Client().Save(p, info.(*entity.User).Id)
if err != nil {
utils.GinResponse(c).FailedWithErr("操作失败", err)
return
}
go func() {
if err = queues.PutAsyncWireguardConfigFile(p.ServerId); err != nil {
log.Errorf("[新增/编辑客户端]同步配置文件失败: %v", err.Error())
}
}()
utils.GinResponse(c).OK()
}
// Delete
// @description: 删除客户端
// @receiver clients
// @param c
func (clients) Delete(c *gin.Context) {
var id = c.Param("id")
if id == "" || id == "undefined" {
utils.GinResponse(c).FailedWithMsg("参数错误")
return
}
if err := repository.Client().Delete(id); err != nil {
utils.GinResponse(c).FailedWithMsg("操作失败")
return
}
utils.GinResponse(c).OK()
}
// Download
// @description: 下载配置文件
// @receiver clients
// @param c
func (clients) Download(c *gin.Context) {
var id = c.Param("id")
if id == "" || id == "undefined" {
utils.GinResponse(c).FailedWithMsg("参数错误")
return
}
data, err := repository.Client().GetById(id)
if err != nil {
utils.GinResponse(c).FailedWithMsg("获取失败")
return
}
var keys template_data.Keys
_ = json.Unmarshal([]byte(data.Keys), &keys)
setting, err := repository.System().GetServerSetting()
if err != nil {
utils.GinResponse(c).FailedWithMsg("获取设置失败")
return
}
// 处理一下数据
execData := template_data.ClientConfig{
PrivateKey: keys.PrivateKey,
IpAllocation: data.IpAllocation,
MTU: setting.MTU,
DNS: strings.Join(setting.DnsServer, ","),
PublicKey: keys.PublicKey,
PresharedKey: keys.PresharedKey,
AllowedIPS: data.AllowedIps,
Endpoint: setting.EndpointAddress,
ListenPort: data.Server.ListenPort,
PersistentKeepalive: setting.PersistentKeepalive,
}
// 不同环境下处理文件路径
var outPath = "/tmp/" + fmt.Sprintf("%s.conf", data.Name)
var templatePath = "./template/wg.client.conf"
if os.Getenv("GIN_MODE") != "release" {
outPath = "E:\\Workspace\\Go\\wireguard-dashboard\\template\\" + fmt.Sprintf("%s.conf", data.Name)
templatePath = "E:\\Workspace\\Go\\wireguard-dashboard\\template\\wg.client.conf"
}
// 渲染数据
parseTemplate, err := utils.Template().Parse(templatePath)
if err != nil {
utils.GinResponse(c).FailedWithMsg("读取模板文件失败")
return
}
err = utils.Template().Execute(parseTemplate, execData, outPath)
if err != nil {
utils.GinResponse(c).FailedWithMsg("文件渲染失败")
return
}
// 输出文件流
c.Header("Content-Type", "application/octet-stream")
c.Header("Content-Disposition", "attachment; filename="+outPath)
c.Header("Content-Transfer-Encoding", "binary")
c.Header("Connection", "keep-alive")
c.File(outPath)
if err = os.Remove(outPath); err != nil {
log.Errorf("删除临时文件失败: %s", err.Error())
}
}
// GenerateQrCode
// @description: 生成客户端信息二维码
// @receiver clients
// @param c
func (clients) GenerateQrCode(c *gin.Context) {
var id = c.Param("id")
if id == "" || id == "undefined" {
utils.GinResponse(c).FailedWithMsg("参数错误")
return
}
data, err := repository.Client().GetById(id)
if err != nil {
utils.GinResponse(c).FailedWithMsg("获取失败")
return
}
var keys template_data.Keys
_ = json.Unmarshal([]byte(data.Keys), &keys)
setting, err := repository.System().GetServerSetting()
if err != nil {
utils.GinResponse(c).FailedWithMsg("获取设置失败")
return
}
// 处理一下数据
execData := template_data.ClientConfig{
PrivateKey: keys.PrivateKey,
IpAllocation: data.IpAllocation,
MTU: setting.MTU,
PublicKey: keys.PublicKey,
PresharedKey: keys.PresharedKey,
AllowedIPS: data.AllowedIps,
Endpoint: setting.EndpointAddress,
ListenPort: data.Server.ListenPort,
PersistentKeepalive: setting.PersistentKeepalive,
}
// 不同环境下处理文件路径
var outPath = "/tmp/" + fmt.Sprintf("%s.conf", data.Name)
var templatePath = "./template/wg.client.conf"
if os.Getenv("GIN_MODE") != "release" {
outPath = "E:\\Workspace\\Go\\wireguard-dashboard\\template\\" + fmt.Sprintf("%s.conf", data.Name)
templatePath = "E:\\Workspace\\Go\\wireguard-dashboard\\template\\wg.client.conf"
}
// 渲染数据
parseTemplate, err := utils.Template().Parse(templatePath)
if err != nil {
utils.GinResponse(c).FailedWithMsg("读取模板文件失败")
return
}
err = utils.Template().Execute(parseTemplate, execData, outPath)
if err != nil {
utils.GinResponse(c).FailedWithMsg("文件渲染失败")
return
}
// 读取文件内容
fileContent, err := os.ReadFile(outPath)
if err != nil {
utils.GinResponse(c).FailedWithMsg("读取文件失败")
return
}
png, err := utils.QRCode().GenerateQrCodeBase64(fileContent, 256)
if err != nil {
utils.GinResponse(c).FailedWithErr("生成二维码失败", err)
return
}
if err = os.Remove(outPath); err != nil {
log.Errorf("删除临时文件失败: %s", err.Error())
}
utils.GinResponse(c).OKWithData(map[string]interface{}{
"qrCode": png,
})
}
// Status
// @description: 获取客户端状态信息,链接状态等
// @receiver clients
// @param c
func (clients) Status(c *gin.Context) {
// 使用sdk拉取一下客户端信息
devices, err := client.WireguardClient.Devices()
if err != nil {
utils.GinResponse(c).FailedWithErr("获取客户端信息失败", err)
return
}
var data []vo.ClientStatus
// 遍历客户端数据,并渲染数据信息
for _, d := range devices {
for _, p := range d.Peers {
clientInfo, err := repository.Client().GetByPublicKey(p.PublicKey.String())
if err != nil {
log.Errorf("没有找到公钥匹配的客户端: %s", p.PublicKey.String())
continue
}
var ipAllocation string
for _, iaip := range p.AllowedIPs {
ipAllocation += iaip.String() + ","
}
ipAllocation = strings.TrimRight(ipAllocation, ",")
isOnline := p.LastHandshakeTime.Minute() < 1
data = append(data, vo.ClientStatus{
ID: clientInfo.Id,
Name: clientInfo.Name,
Email: clientInfo.Email,
IpAllocation: ipAllocation,
Endpoint: p.Endpoint.String(),
Received: utils.FlowCalculation().Parse(p.ReceiveBytes),
Transmitted: utils.FlowCalculation().Parse(p.TransmitBytes),
IsOnline: isOnline,
LastHandShake: p.LastHandshakeTime.Format("2006-01-02 15:04:05"),
})
}
}
utils.GinResponse(c).OKWithData(data)
}
// Offline
// @description: 强制下线指定客户端
// @receiver clients
// @param c
func (clients) Offline(c *gin.Context) {
id := c.Param("id")
if id == "" || id == "undefined" {
utils.GinResponse(c).FailedWithMsg("参数错误")
return
}
// 查询一下客户端信息
clientInfo, err := repository.Client().GetById(id)
if err != nil {
utils.GinResponse(c).FailedWithMsg("获取信息失败")
return
}
keys := template_data.Keys{}
_ = json.Unmarshal([]byte(clientInfo.Keys), &keys)
connectInfo, err := utils.Wireguard().GetSpecClient(keys.PublicKey)
if err != nil {
utils.GinResponse(c).FailedWithMsg("获取客户端信息失败")
return
}
if connectInfo == nil {
utils.GinResponse(c).FailedWithMsg("未获取到该客户端链接信息")
return
}
// 获取到了,执行踢下线操作。此处踢下线就是禁用该客户端
if err = repository.Client().Disabled(clientInfo.Id); err != nil {
utils.GinResponse(c).FailedWithErr("客户端下线失败: %v", err)
return
}
// 再同步一下配置文件
go func() {
if err = queues.PutAsyncWireguardConfigFile(clientInfo.ServerId); err != nil {
log.Errorf("[下线客户端]同步配置文件失败: %v", err.Error())
}
}()
utils.GinResponse(c).OK()
}