Golang session.Store类代码示例

func deleteSourceFiles(s session.Store, fileNames []string, projectNames []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

	for i := 0; i < len(fileNames); i++ {
		/////////////////////////////////////////
		// Remove js and png file
		fileType := fileNames[i][strings.LastIndex(fileNames[i], ".")+1:]
		var fileName string
		if projectNames != nil && projectNames[i] != "" {
			fileName = dir + "/" + beego.AppConfig.String("userdata::projects") + "/" + projectNames[i] + "/" + fileType + "/" + fileNames[i]
		} else {
			fileName = dir + "/" + fileType + "/" + fileNames[i]
		}
		if err := os.Remove(fileName); err != nil {
			beego.Error("Cannot remove file", fileName, "(", err.Error(), ")")
		}
		fileName = fileName[:strings.LastIndex(fileName, ".")] + ".png"
		if err := os.Remove(fileName); err != nil {
			beego.Error("Cannot remove file", fileName, "(", err.Error(), ")")
		}
	}
	return Data{}
}

func readNewMessages(s session.Store, messageIds []int64) Data {

	userName := ""
	if s.Get("UserName") != nil {
		userName = s.Get("UserName").(string)
	}

	if userName == "" {
		beego.Error("No user name available.")
		return Data{}
	}

	messages := models.GetMessagesFromDatabase(userName)

	for i := len(messages) - 1; i >= 0; i-- {
		beego.Warning(len(messages), i)
		for j := 0; j < len(messageIds); j++ {
			beego.Warning(messages[i], j, messageIds[j])
			if messages[i]["Id"] == messageIds[j] {
				messages = append(messages[:i], messages[i+1:]...)
				break
			}
		}
	}

	return Data{
		"Messages": messages,
	}
}

func cloneProject(s session.Store, projectName string) Data {

	// if user is not logged in return
	userName := ""
	if s.Get("UserName") != nil {
		userName = s.Get("UserName").(string)
	}
	if userName == "" {
		beego.Error("No user name available.")
		return Data{}
	}
	beego.Warning("Entering cloneProject with", userName, "and", projectName)
	if projectName == "" {
		beego.Error("No project name available.")
		return Data{}
	}

	// Check for rights
	// Maybe add a token check here, otherwise manipulated clients can clone any project

	models.CloneProjectDir(userName, projectName, false)
	return Data{
		"ProjectName": projectName,
	}
}

func readPals(s session.Store) Data {
	// Read own groups
	userName := ""
	if s.Get("UserName") != nil {
		userName = s.Get("UserName").(string)
	}
	if userName == "" {
		beego.Error("No user name available.")
		return Data{}
	}

	return Data{
		"Pals": models.GetPalsFromDatabase(userName),
	}
}

func getStatus(s session.Store) Data {

	userName := ""
	if s.Get("UserName") != nil {
		userName = s.Get("UserName").(string)
	}
	if userName == "" {
		return Data{
			"Status": "No session",
		}
	} else {
		return Data{
			"Status": "Ok",
		}
	}
}

func sendInvitations(s session.Store, projectName string, userNames []string) Data {

	T := models.T
	userName := ""
	if s.Get("UserName") != nil {
		userName = s.Get("UserName").(string)
	}
	if userName == "" {
		beego.Error("No user name available.")
		return Data{}
	}

	models.CreateInvitationMessages(userName, projectName, userNames, T["project_bar_modal_invite_subject"], T["project_bar_modal_invite_message"])

	return Data{}
}

func fetchProject(s session.Store, projectName string) (Data, error) {

	// if user is not logged in return
	userName := ""
	if s.Get("UserName") != nil {
		userName = s.Get("UserName").(string)
	}
	if userName == "" {
		return Data{}, errors.New("No user name available.")
	}
	if projectName == "" {
		return Data{}, errors.New("No project name available.")
	}

	userDir := beego.AppConfig.String("userdata::location") + userName
	projectDir := userDir + "/" + beego.AppConfig.String("userdata::projects") + "/" + projectName

	// 1 Open repository
	repo, err := git.OpenRepository(projectDir)
	if err != nil {
		return Data{}, errors.New("OpenRepository - " + err.Error())
	}

	// 2 Create a signature
	sig := &git.Signature{
		Name:  userName,
		Email: userName + "@" + beego.AppConfig.String("userdata::emailserver"),
		When:  time.Now(),
	}

	err = models.AnnotatedPull(repo, sig)
	if err != nil {
		if strings.Index(err.Error(), "uncommitted change") != -1 {
			e := errors.New("uncommitted changes")
			return Data{
				"Error": e.Error(),
			}, e
		}

		return Data{
			"Error": err.Error(),
		}, err
	}

	return Data{}, nil
}

func deleteMessage(s session.Store, messageId int64) Data {

	userName := ""
	if s.Get("UserName") != nil {
		userName = s.Get("UserName").(string)
	}
	if userName == "" {
		beego.Error("No user name available.")
		return Data{}
	}

	err := models.DeleteMessageFromDatabase(userName, messageId)

	if err == nil {
		return Data{}
	} else {
		return Data{
			"Error": err.Error(),
		}
	}
}

func renameSourceFile(s session.Store, fileNames []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 + "/" + fileType + "/"

	_, err := os.Stat(dir + "/" + fileNames[1])
	if !os.IsNotExist(err) {
		return Data{
			"Error": "file exists",
		}
	}

	err = os.Rename(dir+"/"+fileNames[0], dir+"/"+fileNames[1])
	if err != nil {
		return Data{
			"Error": "cannot rename file",
		}
	}
	// Also rename associated pngs
	for i := 0; i < 2; i++ {
		fileNames[i] = fileNames[i][:strings.LastIndex(fileNames[i], ".")] + ".png"
	}
	beego.Warning("Renaming", fileNames[0], "to", fileNames[1])
	err = os.Rename(dir+"/"+fileNames[0], dir+"/"+fileNames[1])
	if err != nil {
		return Data{
			"Error": "cannot rename file",
		}
	}

	return Data{}
}

func GetUserIdFromSession(sess session.Store) int {
	if id, ok := sess.Get("auth_user_id").(int); ok && id > 0 {
		return id
	}
	return 0
}

func writeProject(s session.Store, projectName string, fileType string, fileName string, codeFile string, timeStamp int64, resourceFiles []string, image string, alternateFile string, alternateType string, commit string) Data {

	// if user is not logged in return
	userName := ""
	if s.Get("UserName") != nil {
		userName = s.Get("UserName").(string)
	}
	if userName == "" {
		beego.Error("No user name available.")
		return Data{}
	}
	if projectName == "" {
		beego.Error("No project name available.")
		return Data{}
	}

	// Check for rights
	if ok := models.CheckRight(userName, projectName, "Write"); !ok {
		return Data{
			"Error": "Unsufficient rights for project " + projectName + ".",
		}
	}

	userDir := beego.AppConfig.String("userdata::location") + userName
	projectDir := userDir + "/" + beego.AppConfig.String("userdata::projects") + "/" + projectName

	// Write source files to new project directory
	data := writeSourceFile(s, fileName, projectName, fileType, codeFile, timeStamp, image, alternateFile, alternateType, true)

	outdatedFile := data["OutdatedFile"]
	if outdatedFile != nil && outdatedFile.(string) != "" {
		return data
	}

	// Copy resource files
	for i := 0; i < len(resourceFiles); i++ {
		resProject := resourceFiles[i][:strings.Index(resourceFiles[i], "/")]
		resType := resourceFiles[i][strings.LastIndex(resourceFiles[i], ".")+1:]
		filename := resourceFiles[i][strings.LastIndex(resourceFiles[i], "/")+1:]
		dir := "."

		if resProject == projectName {
			continue
		}

		switch resType {
		case "png":
			dir = beego.AppConfig.String("userdata::imagefiles")
		case "mp3":
			dir = beego.AppConfig.String("userdata::soundfiles")
		}
		err := copyFileContents(userDir+"/"+dir+"/"+resourceFiles[i], projectDir+"/"+dir+"/"+filename)
		if err != nil {
			beego.Error("Cannot copy resource file", resourceFiles[i], "from", userDir, "to", projectDir, "(", err.Error(), ")")
		}
	}

	// Add, commit and push
	if err := models.GitAddCommitPush(userName, projectDir, commit, false); err != nil {
		if err.Error() == "Conflicts" {
			data["Conflicts"] = "Solve conflicts."
		} else {
			beego.Error("Add, commit, push: ", err.Error())
		}
	}

	return data
}

func initProject(s session.Store, projectName string, fileType string, fileName string, codeFile string, resourceFiles []string, image string) Data {

	// if user is not logged in return
	if s.Get("UserName") == nil {
		beego.Error("No user name available.")
		return Data{}
	}
	if projectName == "" {
		beego.Error("No project name available.")
		return Data{}
	}

	userName := s.Get("UserName").(string)
	userDir := beego.AppConfig.String("userdata::location") + userName
	projectDir := userDir + "/" + beego.AppConfig.String("userdata::projects") + "/" + projectName
	bareDir := beego.AppConfig.String("userdata::location") + beego.AppConfig.String("userdata::bareprojects") + "/" + projectName

	////////////////////////////////////////////////////////////////////7
	// Everything, that has to be done for init a project
	_, err := os.Stat(bareDir)
	if !os.IsNotExist(err) {
		return Data{
			"Error": "project exists",
		}
	}

	// Create new directory
	if err := os.MkdirAll(bareDir, os.ModePerm); err != nil {
		beego.Error("Cannot create directory", bareDir)
	}

	// Initialize as bare git directory
	_, err = git.InitRepository(bareDir, true)
	if err != nil {
		beego.Error("Cannot init git directory", bareDir, "(", err.Error(), ")")
	}

	// Clone it to own project directory
	options := git.CloneOptions{
		Bare: false,
	}
	_, err = git.Clone(bareDir, projectDir, &options)
	if err != nil {
		beego.Error("Cannot clone git directory", bareDir, "into", projectDir, "(", err.Error(), ")")
	}

	// err = models.GitSetName(userName, userName+"@"+beego.AppConfig.String("userdata::emailserver"))

	// Create project directories
	models.CreateDirectories(projectDir, false)

	// Create .gitignore file with .spielplatz/project in it
	models.CreateTextFile(projectDir+"/"+".gitignore", beego.AppConfig.String("userdata::spielplatzdir")+"/rights")

	// Copy resource files
	for i := 0; i < len(resourceFiles); i++ {
		resType := resourceFiles[i][strings.LastIndex(resourceFiles[i], ".")+1:]
		filename := resourceFiles[i][strings.LastIndex(resourceFiles[i], "/")+1:]
		dir := "."

		switch resType {
		case "png":
			dir = beego.AppConfig.String("userdata::imagefiles")
		case "mp3":
			dir = beego.AppConfig.String("userdata::soundfiles")
		}
		err = copyFileContents(userDir+"/"+dir+"/"+resourceFiles[i], projectDir+"/"+dir+"/"+filename)
		if err != nil {
			beego.Error("Cannot copy resource file", resourceFiles[i], "from", userDir, "to", projectDir, "(", err.Error(), ")")
		}
	}

	// Mount resource directories
	models.MountResourceFiles(userName, projectName)

	// Create project config file
	projectFile := projectDir + "/" + beego.AppConfig.String("userdata::spielplatzdir") + "/project"
	file, err := os.Create(projectFile)
	if err != nil {
		beego.Error(err)
	}
	file.Close()
	cnf, err := config.NewConfig("ini", projectFile)
	if err != nil {
		beego.Error("Cannot create project file " + projectFile + " (" + err.Error() + ")")
	}
	cnf.Set("Playground", beego.AppConfig.String("userdata::name"))
	cnf.Set("Origin", "none")
	cnf.Set("Gallery", "false")
	cnf.SaveConfigFile(projectFile)

	// Create rights file
	rightsFile := projectDir + "/" + beego.AppConfig.String("userdata::spielplatzdir") + "/rights"
	file, err = os.Create(rightsFile)
	if err != nil {
		beego.Error(err)
	}
	file.Close()
	cnf, err = config.NewConfig("ini", rightsFile)
	if err != nil {
//.........这里部分代码省略.........

func readDir(s session.Store, fileType string) Data {

	data := Data{}
	sourceFiles := make(map[string]SourceFile)
	projectNames := make([]string, 1, models.MaxProjectsPerUser)
	projectNames[0] = "/"
	userName := s.Get("UserName")

	// if user is not logged in return
	if userName == nil {
		return data
	}

	// First search in the main directory
	name := userName.(string)
	dir := beego.AppConfig.String("userdata::location") + name + "/" + fileType

	files, err := ioutil.ReadDir(dir)
	if os.IsNotExist(err) {
		beego.Warning("Directory", dir, "is not available.")
	} else if err != nil {
		beego.Error(err)
		return data
	}

	for _, f := range files {
		name := f.Name()
		if name[len(name)-len(fileType):] == fileType {
			sourceFiles[name] = SourceFile{
				TimeStamp: f.ModTime().UnixNano() / int64(time.Millisecond),
				Project:   "",
			}
		}
	}

	// Then read all projects and look into the dir of the specified filetype (e.g. pjs)
	dir = beego.AppConfig.String("userdata::location") + name + "/" + beego.AppConfig.String("userdata::projects")
	projects, err := ioutil.ReadDir(dir)
	if err != nil {
		beego.Error(err)
		return data
	}

	for _, p := range projects {

		var dir2 string
		if p.IsDir() == true {
			project := p.Name()
			dir2 = dir + "/" + p.Name() + "/" + fileType
			files, err := ioutil.ReadDir(dir2)
			if os.IsNotExist(err) {
				beego.Warning("Directory", dir2, "is not available.")
			} else if err != nil {
				beego.Error(err)
				return data
			}

			for _, f := range files {
				name := f.Name()
				if name[len(name)-len(fileType):] == fileType {
					sourceFiles[name] = SourceFile{
						TimeStamp: f.ModTime().UnixNano() / int64(time.Millisecond),
						Project:   project,
					}
				}
			}
		}
	}

	projectNames = append(projectNames, models.GetProjectsWithRightFromDatabase(name, "Write")...)

	data["Files"] = sourceFiles
	data["Projects"] = projectNames

	return data
}

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,
	}
}

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)

//.........这里部分代码省略.........