next-terminal/server/api/session.go
2022-10-23 20:05:13 +08:00

597 lines
15 KiB
Go

package api
import (
"bufio"
"bytes"
"context"
"errors"
"fmt"
"io"
"net/http"
"os"
"path"
"strconv"
"strings"
"next-terminal/server/common"
"next-terminal/server/common/maps"
"next-terminal/server/common/nt"
"next-terminal/server/global/session"
"next-terminal/server/model"
"next-terminal/server/repository"
"next-terminal/server/service"
"next-terminal/server/utils"
"github.com/labstack/echo/v4"
"github.com/pkg/sftp"
)
type SessionApi struct{}
func (api SessionApi) SessionPagingEndpoint(c echo.Context) error {
pageIndex, _ := strconv.Atoi(c.QueryParam("pageIndex"))
pageSize, _ := strconv.Atoi(c.QueryParam("pageSize"))
status := c.QueryParam("status")
userId := c.QueryParam("userId")
clientIp := c.QueryParam("clientIp")
assetId := c.QueryParam("assetId")
protocol := c.QueryParam("protocol")
reviewed := c.QueryParam("reviewed")
items, total, err := repository.SessionRepository.Find(context.TODO(), pageIndex, pageSize, status, userId, clientIp, assetId, protocol, reviewed)
if err != nil {
return err
}
for i := 0; i < len(items); i++ {
if status == nt.Disconnected && len(items[i].Recording) > 0 {
var recording string
if items[i].Mode == nt.Native || items[i].Mode == nt.Terminal {
recording = items[i].Recording
} else {
recording = items[i].Recording + "/recording"
}
if utils.FileExists(recording) {
items[i].Recording = "1"
} else {
items[i].Recording = "0"
}
} else {
items[i].Recording = "0"
}
}
return Success(c, maps.Map{
"total": total,
"items": items,
})
}
func (api SessionApi) SessionDeleteEndpoint(c echo.Context) error {
sessionIds := strings.Split(c.Param("id"), ",")
err := service.SessionService.DeleteByIds(context.TODO(), sessionIds)
if err != nil {
return err
}
return Success(c, nil)
}
func (api SessionApi) SessionClearEndpoint(c echo.Context) error {
err := service.SessionService.ClearOfflineSession()
if err != nil {
return err
}
return Success(c, nil)
}
func (api SessionApi) SessionReviewedEndpoint(c echo.Context) error {
sessionIds := strings.Split(c.Param("id"), ",")
if err := repository.SessionRepository.UpdateReadByIds(context.TODO(), true, sessionIds); err != nil {
return err
}
return Success(c, nil)
}
func (api SessionApi) SessionUnViewedEndpoint(c echo.Context) error {
sessionIds := strings.Split(c.Param("id"), ",")
if err := repository.SessionRepository.UpdateReadByIds(context.TODO(), false, sessionIds); err != nil {
return err
}
return Success(c, nil)
}
func (api SessionApi) SessionReviewedAllEndpoint(c echo.Context) error {
if err := service.SessionService.ReviewedAll(); err != nil {
return err
}
return Success(c, nil)
}
func (api SessionApi) SessionConnectEndpoint(c echo.Context) error {
sessionId := c.Param("id")
s := model.Session{}
s.ID = sessionId
s.Status = nt.Connected
s.ConnectedTime = common.NowJsonTime()
if err := repository.SessionRepository.UpdateById(context.TODO(), &s, sessionId); err != nil {
return err
}
o, err := repository.SessionRepository.FindById(context.TODO(), sessionId)
if err != nil {
return err
}
asset, err := repository.AssetRepository.FindById(context.TODO(), o.AssetId)
if err != nil {
return err
}
if !asset.Active {
asset.Active = true
_ = repository.AssetRepository.UpdateById(context.TODO(), &asset, asset.ID)
}
return Success(c, nil)
}
func (api SessionApi) SessionDisconnectEndpoint(c echo.Context) error {
sessionIds := c.Param("id")
split := strings.Split(sessionIds, ",")
for i := range split {
service.SessionService.CloseSessionById(split[i], ForcedDisconnect, "管理员强制关闭了此会话")
}
return Success(c, nil)
}
func (api SessionApi) SessionResizeEndpoint(c echo.Context) error {
width := c.QueryParam("width")
height := c.QueryParam("height")
sessionId := c.Param("id")
if len(width) == 0 || len(height) == 0 {
return errors.New("参数异常")
}
intWidth, _ := strconv.Atoi(width)
intHeight, _ := strconv.Atoi(height)
if err := repository.SessionRepository.UpdateWindowSizeById(context.TODO(), intWidth, intHeight, sessionId); err != nil {
return err
}
return Success(c, "")
}
func (api SessionApi) SessionCreateEndpoint(c echo.Context) error {
assetId := c.QueryParam("assetId")
mode := c.QueryParam("mode")
if mode == nt.Native {
mode = nt.Native
} else {
mode = nt.Guacd
}
user, _ := GetCurrentAccount(c)
s, err := service.SessionService.Create(c.RealIP(), assetId, mode, user)
if err != nil {
return err
}
return Success(c, echo.Map{
"id": s.ID,
"upload": s.Upload,
"download": s.Download,
"delete": s.Delete,
"rename": s.Rename,
"edit": s.Edit,
"storageId": s.StorageId,
"fileSystem": s.FileSystem,
"copy": s.Copy,
"paste": s.Paste,
})
}
func (api SessionApi) SessionUploadEndpoint(c echo.Context) error {
sessionId := c.Param("id")
s, err := repository.SessionRepository.FindById(context.TODO(), sessionId)
if err != nil {
return err
}
if s.Upload != "1" {
return errors.New("禁止操作")
}
file, err := c.FormFile("file")
if err != nil {
return err
}
filename := file.Filename
src, err := file.Open()
if err != nil {
return err
}
remoteDir := c.QueryParam("dir")
remoteFile := path.Join(remoteDir, filename)
// 记录日志
account, _ := GetCurrentAccount(c)
_ = service.StorageLogService.Save(context.Background(), s.AssetId, sessionId, account.ID, nt.StorageLogActionUpload, remoteFile)
if "ssh" == s.Protocol {
nextSession := session.GlobalSessionManager.GetById(sessionId)
if nextSession == nil {
return errors.New("获取会话失败")
}
sftpClient := nextSession.NextTerminal.SftpClient
// 文件夹不存在时自动创建文件夹
if _, err := sftpClient.Stat(remoteDir); os.IsNotExist(err) {
if err := sftpClient.MkdirAll(remoteDir); err != nil {
return err
}
}
dstFile, err := sftpClient.Create(remoteFile)
if err != nil {
return err
}
defer dstFile.Close()
if _, err = io.Copy(dstFile, src); err != nil {
return err
}
return Success(c, nil)
} else if "rdp" == s.Protocol {
if err := service.StorageService.StorageUpload(c, file, s.StorageId); err != nil {
return err
}
return Success(c, nil)
}
return err
}
func (api SessionApi) SessionEditEndpoint(c echo.Context) error {
sessionId := c.Param("id")
s, err := repository.SessionRepository.FindById(context.TODO(), sessionId)
if err != nil {
return err
}
if s.Edit != "1" {
return errors.New("禁止操作")
}
file := c.FormValue("file")
fileContent := c.FormValue("fileContent")
if "ssh" == s.Protocol {
nextSession := session.GlobalSessionManager.GetById(sessionId)
if nextSession == nil {
return errors.New("获取会话失败")
}
sftpClient := nextSession.NextTerminal.SftpClient
dstFile, err := sftpClient.OpenFile(file, os.O_WRONLY|os.O_CREATE|os.O_TRUNC)
if err != nil {
return err
}
defer dstFile.Close()
write := bufio.NewWriter(dstFile)
// replace \r\n to \n
if _, err := write.WriteString(strings.Replace(fileContent, "\r\n", "\n", -1)); err != nil {
return err
}
// fix neoel
if !strings.HasSuffix(fileContent, "\n") {
if _, err := write.WriteString("\n"); err != nil {
return err
}
}
if err := write.Flush(); err != nil {
return err
}
return Success(c, nil)
} else if "rdp" == s.Protocol {
if err := service.StorageService.StorageEdit(file, fileContent, s.StorageId); err != nil {
return err
}
return Success(c, nil)
}
return err
}
func (api SessionApi) SessionDownloadEndpoint(c echo.Context) error {
sessionId := c.Param("id")
s, err := repository.SessionRepository.FindById(context.TODO(), sessionId)
if err != nil {
return err
}
if s.Download != "1" {
return errors.New("禁止操作")
}
file := c.QueryParam("file")
// 记录日志
account, _ := GetCurrentAccount(c)
_ = service.StorageLogService.Save(context.Background(), s.AssetId, sessionId, account.ID, nt.StorageLogActionDownload, file)
// 获取带后缀的文件名称
filenameWithSuffix := path.Base(file)
if "ssh" == s.Protocol {
nextSession := session.GlobalSessionManager.GetById(sessionId)
if nextSession == nil {
return errors.New("获取会话失败")
}
dstFile, err := nextSession.NextTerminal.SftpClient.Open(file)
if err != nil {
return err
}
defer dstFile.Close()
c.Response().Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s", filenameWithSuffix))
var buff bytes.Buffer
if _, err := dstFile.WriteTo(&buff); err != nil {
return err
}
return c.Stream(http.StatusOK, echo.MIMEOctetStream, bytes.NewReader(buff.Bytes()))
} else if "rdp" == s.Protocol {
storageId := s.StorageId
return service.StorageService.StorageDownload(c, file, storageId)
}
return err
}
func (api SessionApi) SessionLsEndpoint(c echo.Context) error {
sessionId := c.Param("id")
s, err := service.SessionService.FindByIdAndDecrypt(context.TODO(), sessionId)
if err != nil {
return err
}
remoteDir := c.FormValue("dir")
if "ssh" == s.Protocol {
nextSession := session.GlobalSessionManager.GetById(sessionId)
if nextSession == nil {
return errors.New("获取会话失败")
}
if nextSession.NextTerminal.SftpClient == nil {
sftpClient, err := sftp.NewClient(nextSession.NextTerminal.SshClient)
if err != nil {
return err
}
nextSession.NextTerminal.SftpClient = sftpClient
}
fileInfos, err := nextSession.NextTerminal.SftpClient.ReadDir(remoteDir)
if err != nil {
return err
}
var files = make([]service.File, 0)
for i := range fileInfos {
file := service.File{
Name: fileInfos[i].Name(),
Path: path.Join(remoteDir, fileInfos[i].Name()),
IsDir: fileInfos[i].IsDir(),
Mode: fileInfos[i].Mode().String(),
IsLink: fileInfos[i].Mode()&os.ModeSymlink == os.ModeSymlink,
ModTime: common.NewJsonTime(fileInfos[i].ModTime()),
Size: fileInfos[i].Size(),
}
files = append(files, file)
}
return Success(c, files)
} else if "rdp" == s.Protocol {
storageId := s.StorageId
err, files := service.StorageService.StorageLs(remoteDir, storageId)
if err != nil {
return err
}
return Success(c, files)
}
return errors.New("当前协议不支持此操作")
}
func (api SessionApi) SessionMkDirEndpoint(c echo.Context) error {
sessionId := c.Param("id")
s, err := repository.SessionRepository.FindById(context.TODO(), sessionId)
if err != nil {
return err
}
if s.Upload != "1" {
return errors.New("禁止操作")
}
remoteDir := c.QueryParam("dir")
// 记录日志
account, _ := GetCurrentAccount(c)
_ = service.StorageLogService.Save(context.Background(), s.AssetId, sessionId, account.ID, nt.StorageLogActionMkdir, remoteDir)
if "ssh" == s.Protocol {
nextSession := session.GlobalSessionManager.GetById(sessionId)
if nextSession == nil {
return errors.New("获取会话失败")
}
if err := nextSession.NextTerminal.SftpClient.Mkdir(remoteDir); err != nil {
return err
}
return Success(c, nil)
} else if "rdp" == s.Protocol {
storageId := s.StorageId
if err := service.StorageService.StorageMkDir(remoteDir, storageId); err != nil {
return err
}
return Success(c, nil)
}
return errors.New("当前协议不支持此操作")
}
func (api SessionApi) SessionRmEndpoint(c echo.Context) error {
sessionId := c.Param("id")
s, err := repository.SessionRepository.FindById(context.TODO(), sessionId)
if err != nil {
return err
}
if s.Delete != "1" {
return errors.New("禁止操作")
}
// 文件夹或者文件
file := c.FormValue("file")
// 记录日志
account, _ := GetCurrentAccount(c)
_ = service.StorageLogService.Save(context.Background(), s.AssetId, sessionId, account.ID, nt.StorageLogActionRm, file)
if "ssh" == s.Protocol {
nextSession := session.GlobalSessionManager.GetById(sessionId)
if nextSession == nil {
return errors.New("获取会话失败")
}
sftpClient := nextSession.NextTerminal.SftpClient
stat, err := sftpClient.Stat(file)
if err != nil {
return err
}
if stat.IsDir() {
fileInfos, err := sftpClient.ReadDir(file)
if err != nil {
return err
}
for i := range fileInfos {
if err := sftpClient.Remove(path.Join(file, fileInfos[i].Name())); err != nil {
return err
}
}
if err := sftpClient.RemoveDirectory(file); err != nil {
return err
}
} else {
if err := sftpClient.Remove(file); err != nil {
return err
}
}
return Success(c, nil)
} else if "rdp" == s.Protocol {
storageId := s.StorageId
if err := service.StorageService.StorageRm(file, storageId); err != nil {
return err
}
return Success(c, nil)
}
return errors.New("当前协议不支持此操作")
}
func (api SessionApi) SessionRenameEndpoint(c echo.Context) error {
sessionId := c.Param("id")
s, err := repository.SessionRepository.FindById(context.TODO(), sessionId)
if err != nil {
return err
}
if s.Rename != "1" {
return errors.New("禁止操作")
}
oldName := c.QueryParam("oldName")
newName := c.QueryParam("newName")
// 记录日志
account, _ := GetCurrentAccount(c)
_ = service.StorageLogService.Save(context.Background(), s.AssetId, sessionId, account.ID, nt.StorageLogActionRename, oldName)
if "ssh" == s.Protocol {
nextSession := session.GlobalSessionManager.GetById(sessionId)
if nextSession == nil {
return errors.New("获取会话失败")
}
sftpClient := nextSession.NextTerminal.SftpClient
if err := sftpClient.Rename(oldName, newName); err != nil {
return err
}
return Success(c, nil)
} else if "rdp" == s.Protocol {
storageId := s.StorageId
if err := service.StorageService.StorageRename(oldName, newName, storageId); err != nil {
return err
}
return Success(c, nil)
}
return errors.New("当前协议不支持此操作")
}
func (api SessionApi) SessionRecordingEndpoint(c echo.Context) error {
sessionId := c.Param("id")
s, err := repository.SessionRepository.FindById(context.TODO(), sessionId)
if err != nil {
return err
}
var recording string
if s.Mode == nt.Native || s.Mode == nt.Terminal {
recording = s.Recording
} else {
recording = s.Recording + "/recording"
}
_ = repository.SessionRepository.UpdateReadByIds(context.TODO(), true, []string{sessionId})
http.ServeFile(c.Response(), c.Request(), recording)
return nil
}
func (api SessionApi) SessionGetEndpoint(c echo.Context) error {
sessionId := c.Param("id")
s, err := repository.SessionRepository.FindById(context.TODO(), sessionId)
if err != nil {
return err
}
return Success(c, s)
}
func (api SessionApi) SessionStatsEndpoint(c echo.Context) error {
sessionId := c.Param("id")
s, err := service.SessionService.FindByIdAndDecrypt(context.TODO(), sessionId)
if err != nil {
return err
}
if "ssh" != s.Protocol {
return Fail(c, -1, "不支持当前协议")
}
nextSession := session.GlobalSessionManager.GetById(sessionId)
if nextSession == nil {
return errors.New("获取会话失败")
}
stats, err := GetAllStats(nextSession)
if err != nil {
return err
}
return Success(c, stats)
}