예제 #1
0
파일: file.go 프로젝트: carsonk/platform
func getFileInfo(c *Context, w http.ResponseWriter, r *http.Request) {
	if len(utils.Cfg.FileSettings.DriverName) == 0 {
		c.Err = model.NewLocAppError("uploadFile", "api.file.upload_file.storage.app_error", nil, "")
		c.Err.StatusCode = http.StatusNotImplemented
		return
	}

	params := mux.Vars(r)

	channelId := params["channel_id"]
	if len(channelId) != 26 {
		c.SetInvalidParam("getFileInfo", "channel_id")
		return
	}

	userId := params["user_id"]
	if len(userId) != 26 {
		c.SetInvalidParam("getFileInfo", "user_id")
		return
	}

	filename := params["filename"]
	if len(filename) == 0 {
		c.SetInvalidParam("getFileInfo", "filename")
		return
	}

	cchan := Srv.Store.Channel().CheckPermissionsToNoTeam(channelId, c.Session.UserId)

	path := "channels/" + channelId + "/users/" + userId + "/" + filename
	var info *model.FileInfo

	if cached, ok := fileInfoCache.Get(path); ok {
		info = cached.(*model.FileInfo)
	} else {
		err, bytes := getFileData(c.TeamId, channelId, userId, filename)
		if err != nil {
			c.Err = err
			return
		}

		newInfo, err := model.GetInfoForBytes(filename, bytes)
		if err != nil {
			c.Err = err
			return
		} else {
			fileInfoCache.Add(path, newInfo)
			info = newInfo
		}
	}

	if !c.HasPermissionsToChannel(cchan, "getFileInfo") {
		return
	}

	w.Header().Set("Cache-Control", "max-age=2592000, public")

	w.Write([]byte(info.ToJson()))
}
예제 #2
0
파일: file.go 프로젝트: lfbrock/platform
func getFileInfo(c *Context, w http.ResponseWriter, r *http.Request) {
	if len(utils.Cfg.FileSettings.DriverName) == 0 {
		c.Err = model.NewLocAppError("uploadFile", "api.file.upload_file.storage.app_error", nil, "")
		c.Err.StatusCode = http.StatusNotImplemented
		return
	}

	params := mux.Vars(r)

	channelId := params["channel_id"]
	if len(channelId) != 26 {
		c.SetInvalidParam("getFileInfo", "channel_id")
		return
	}

	userId := params["user_id"]
	if len(userId) != 26 {
		c.SetInvalidParam("getFileInfo", "user_id")
		return
	}

	filename := params["filename"]
	if len(filename) == 0 {
		c.SetInvalidParam("getFileInfo", "filename")
		return
	}

	if !HasPermissionToChannelContext(c, channelId, model.PERMISSION_READ_CHANNEL) {
		return
	}

	path := "teams/" + c.TeamId + "/channels/" + channelId + "/users/" + userId + "/" + filename
	var info *model.FileInfo

	if cached, ok := fileInfoCache.Get(path); ok {
		info = cached.(*model.FileInfo)
	} else {
		fileData := make(chan []byte)
		go readFile(path, fileData)

		newInfo, err := model.GetInfoForBytes(filename, <-fileData)
		if err != nil {
			c.Err = err
			return
		} else {
			fileInfoCache.Add(path, newInfo)
			info = newInfo
		}
	}

	w.Header().Set("Cache-Control", "max-age=2592000, public")

	w.Write([]byte(info.ToJson()))
}