예제 #1
0
func readSourceFiles(s session.Store, fileNames []string, fileProjects []string, fileType string) Data {

	// if user is not logged in return
	if s.Get("UserName") == nil {
		return Data{}
	}

	name := s.Get("UserName").(string)
	dir := beego.AppConfig.String("userdata::location") + name + "/"
	codeFiles := make(map[string]SourceFile)

	for i := 0; i < len(fileNames); i++ {
		var (
			file *os.File
			err  error
		)

		/////////////////////////////////////////
		// Fetch project
		project := fileProjects[i]
		status := STATUS_OK
		if project != "" {
			_, err := fetchProject(s, project)

			if err != nil {
				switch err.Error() {
				case "uncommitted changes":
					beego.Warning("Uncommitted changes detected with project", "for user", name)
					status = STATUS_UNCOMMITTED
				}
			}
		}

		/////////////////////////////////////////
		// Read file
		var fileName string
		if project != "" {
			fileName = dir + beego.AppConfig.String("userdata::projects") + "/" + project + "/" + fileType + "/" + fileNames[i]
		} else {
			fileName = dir + fileType + "/" + fileNames[i]
		}

		if file, err = os.Open(fileName); err != nil {
			beego.Error("Cannot open file", fileName)
			return Data{}
		}
		defer file.Close()

		fileInfo, _ := file.Stat()
		fileSize := fileInfo.Size()
		codeFile := make([]byte, fileSize)
		_, err = file.Read(codeFile)

		if err != nil {
			beego.Error("Read error occured.")
			return Data{}
		}

		rights := []string{}
		users := []string{}
		if project != "" {
			rights = models.GetProjectRightsFromDatabase(name, project)
			users = models.GetProjectUsersFromDatabase(project)
		}

		codeFiles[fileNames[i]] = SourceFile{
			TimeStamp: fileInfo.ModTime().UnixNano() / int64(time.Millisecond),
			Code:      string(codeFile),
			Project:   project,
			Rights:    rights,
			Users:     users,
			Status:    status,
		}
	}

	return Data{
		"CodeFiles": codeFiles,
	}
}
예제 #2
0
func writeSourceFile(s session.Store, fileName string, project string, fileType string, codeFile string, timeStamp int64, Image string, alternateFile string, alternateType string, overwrite bool) Data {

	// if user is not logged in return
	if s.Get("UserName") == nil {
		return Data{}
	}

	T := models.T
	userName := s.Get("UserName").(string)

	if project == "/" {
		project = ""
	}

	////////////////////////////////////////
	// Retrieve rights and users if it is a project
	rights := []string{}
	users := []string{}
	if project != "" {
		rights = models.GetProjectRightsFromDatabase(userName, project)
		users = models.GetProjectUsersFromDatabase(project)
		beego.Warning("writeSourceFile:", userName, project, rights, users)
	}

	if project != "" && !models.CheckRight(userName, project, "Write") {
		return Data{
			"Error": "Insufficient rights for project " + project,
		}
	}

	var dir string
	if project != "" {
		dir = beego.AppConfig.String("userdata::location") + userName + "/" + beego.AppConfig.String("userdata::projects") + "/" + project + "/" + fileType + "/"
	} else {
		dir = beego.AppConfig.String("userdata::location") + userName + "/" + fileType + "/"
	}

	var (
		file           *os.File
		err            error
		savedTimeStamp int64
	)
	filePath := dir + fileName

	/////////////////////////////////////////
	// Check if directory is there and create if not
	//
	fileStat, err := os.Stat(filePath)
	if os.IsNotExist(err) {
		if err = os.MkdirAll(dir, os.ModePerm); err != nil {
			beego.Error("Cannot create directory", dir)
			return Data{}
		}
	} else if err != nil {
		beego.Error("Error while checking for directory", dir)
		return Data{}
	}

	/////////////////////////////////////////
	// Don't overwrite file unintendedly
	fileStat, err = os.Stat(filePath)
	if !overwrite {
		if !os.IsNotExist(err) {
			return Data{
				"Error": T["websockets_file_exists"],
			}
		} else if err == nil {
			time := fileStat.ModTime().UnixNano() / int64(time.Millisecond)
			// Look if the file changed on disk since last writing
			if time > timeStamp {
				return Data{
					"OutdatedTimeStamp": time,
				}
			}
		}
	}

	/////////////////////////////////////////
	// Also check if alternate file type (png, mp3) would be overwritten
	altSubDir := ""
	switch alternateType {
	case "png":
		altSubDir = beego.AppConfig.String("userdata::imagefiles")
	case "mp3":
		altSubDir = beego.AppConfig.String("userdata::soundfiles")
	}
	altDir := dir[:len(dir)-len(fileType)-1] + altSubDir + "/"
	altFileName := altDir + fileName[:len(fileName)-len(fileType)] + alternateType
	if alternateType != "" {
		fileStat, err = os.Stat(altFileName)
		if !overwrite {
			if !os.IsNotExist(err) {
				return Data{
					"Error": T["websockets_file_exists"],
				}
			}
		}
	}
	beego.Warning("altDir:", altDir, "altFileName:", altFileName)

	/////////////////////////////////////////
	// Create/overwrite file
	if file, err = os.Create(filePath); err != nil {
		beego.Error("Cannot create or overwrite file", filePath)
		return Data{}
	}
	defer file.Close()
	_, err = file.Write([]byte(codeFile))

	////////////////////////////////////////
	// Record timestamps for web app
	if err == nil {
		fileStat, _ = file.Stat()
		savedTimeStamp = fileStat.ModTime().UnixNano() / int64(time.Millisecond)
	} else {
		beego.Error("Cannot write to file", filePath)
		return Data{}
	}

	////////////////////////////////////////
	// Create image file
	createImageFile(Image, filePath)
	if alternateType == "png" {
		createImageFile(alternateFile, altFileName)
	} else if alternateType == "mp3" {
		// create sound file
	}

	return Data{
		"SavedTimeStamp": savedTimeStamp,
		"Rights":         rights,
		"Users":          users,
	}
}