Пример #1
0
// Initialize loads the previous state of the statistics
func Initialize() error {
	logger.Debug("server", "Started Initialize on statistics object")
	var cfiles uint64
	var csize uint64
	var err error

	err = database.DB.View(func(tx *bolt.Tx) error {
		S.Decode(tx.Bucket([]byte("statistics")).Get([]byte("main")))
		return tx.Bucket([]byte("resources")).ForEach(func(k, v []byte) error {
			r := &Resource{}
			if err = r.Decode(v); err != nil {
				return err
			}
			csize += uint64(r.Size)
			cfiles++
			return nil
		})
	})
	if err != nil {
		logger.Err("server", "Could not initialize statistics")
		return err
	}
	S.CurrentFiles = cfiles
	S.CurrentSize = csize
	logger.Info("server", fmt.Sprintf("Total   %d (%s)", S.TotalFiles, utils.HumanBytes(S.TotalSize)))
	logger.Info("server", fmt.Sprintf("Current %d (%s)", cfiles, utils.HumanBytes(csize)))
	logger.Debug("server", "Done Initialize on statistics object")
	return err
}
Пример #2
0
// Index handles the main page
func Index(c *gin.Context) {
	logger.InfoC(c, "server", "GET /")
	data := gin.H{
		"fulldoc":        conf.C.FullDoc,
		"size_limit":     utils.HumanBytes(uint64(conf.C.SizeLimit * utils.MegaByte)),
		"sensitive_mode": conf.C.SensitiveMode,
	}
	if conf.C.Stats {
		data["total_size"] = utils.HumanBytes(models.S.TotalSize)
		data["total_files"] = models.S.TotalFiles
	}
	c.HTML(http.StatusOK, "index.html", data)
}
Пример #3
0
// LogDeleted logs when a file is deleted (due to a one-time view)
func (r Resource) LogDeleted(c *gin.Context) {
	e := fmt.Sprintf("%sDeleted%s %s - %s", logger.Red, logger.Reset, r.Key, utils.HumanBytes(uint64(r.Size)))
	if r.Once {
		e += " - once"
	}
	logger.InfoC(c, "server", e)
}
Пример #4
0
// Delete deletes a resource in database and on disk
func (r Resource) Delete() error {
	logger.Debug("server", "Started Delete on Resource", r.Key)
	var err error
	err = database.DB.Update(func(tx *bolt.Tx) error {
		if err = tx.Bucket([]byte("resources")).Delete([]byte(r.Key)); err != nil {
			return err
		}
		S.CurrentFiles--
		S.CurrentSize -= uint64(r.Size)
		var data []byte
		if data, err = S.Encode(); err != nil {
			return err
		}
		return tx.Bucket([]byte("statistics")).Put([]byte("main"), data)
	})
	if err != nil {
		return err
	}
	err = os.Remove(path.Join(conf.C.UploadDir, r.Key))
	logger.Debug("server", "Done Delete on Resource", r.Key)
	logger.Debug("server", fmt.Sprintf("Serving %d (%s) files", S.CurrentFiles, utils.HumanBytes(S.CurrentSize)))
	return err
}
Пример #5
0
// HeadC handles the head request for an encryptd file
func HeadC(c *gin.Context) {
	var err error

	id := c.Param("uniuri")
	key := c.Param("key")
	re := models.Resource{}

	if err = re.Get(id); err != nil {
		logger.InfoC(c, "server", "Not found", id)
		c.AbortWithStatus(http.StatusNotFound)
		return
	}
	if re.Key == "" {
		logger.InfoC(c, "server", "Not found", id)
		c.AbortWithStatus(http.StatusNotFound)
		return
	}
	logger.InfoC(c, "server", "Head", fmt.Sprintf("%s - %s", re.Key, utils.HumanBytes(uint64(re.Size))))
	f, err := os.Open(path.Join(conf.C.UploadDir, re.Key))
	if err != nil {
		logger.ErrC(c, "server", fmt.Sprintf("Couldn't open %s", re.Key), err)
		c.AbortWithStatus(http.StatusInternalServerError)
		return
	}
	block, err := aes.NewCipher([]byte(key))
	if err != nil {
		logger.ErrC(c, "server", "Couldn't create AES cipher", err)
		c.String(http.StatusInternalServerError, "Something went wrong on the server. Try again later.")
		c.AbortWithStatus(http.StatusInternalServerError)
		return
	}
	var iv [aes.BlockSize]byte
	stream := cipher.NewCFBDecrypter(block, iv[:])
	reader := &cipher.StreamReader{S: stream, R: f}
	c.Header("Content-Disposition", "filename=\""+re.Name+"\"")
	io.Copy(c.Writer, reader)
}
Пример #6
0
// Monit monitors the database and file system to remove old entries
func Monit() {
	logger.Info("monitoring", "Started Monitoring")
	var err error
	tc := time.NewTicker(1 * time.Minute)
	for {
		logger.Debug("monitoring", "Started Monit on Resources")
		now := time.Now()
		found := 0
		var sizeRemoved uint64
		err = database.DB.Update(func(tx *bolt.Tx) error {
			b := tx.Bucket([]byte("resources"))
			err = b.ForEach(func(k, v []byte) error {
				var err error
				r := &models.Resource{}
				if err = r.Decode(v); err != nil {
					return err
				}
				if r.DeleteAt.Before(now) {
					if err = b.Delete([]byte(r.Key)); err != nil {
						logger.Err("monitoring", "While deleting entry (skipped)", err)
					} else {
						if err = os.Remove(path.Join(conf.C.UploadDir, r.Key)); err != nil {
							logger.Err("monitoring", "While deleting file (skipped)", err)
						} else {
							found++
							sizeRemoved += uint64(r.Size)
						}
					}
				}
				return nil
			})
			if err != nil {
				return err
			}
			if found > 0 {
				var data []byte
				models.S.CurrentFiles -= uint64(found)
				models.S.CurrentSize -= sizeRemoved
				if data, err = models.S.Encode(); err != nil {
					return err
				}
				return tx.Bucket([]byte("statistics")).Put([]byte("main"), data)
			}
			return nil
		})
		if err != nil {
			logger.Err("monitoring", "While monitoring", err)
		} else {
			if found > 0 {
				logger.Info("monitoring", fmt.Sprintf("Deleted %d entries and files in %s", found, time.Since(now)))
				logger.Info("monitoring", fmt.Sprintf("Serving %d (%s) files", models.S.CurrentFiles, utils.HumanBytes(models.S.CurrentSize)))
			}
			logger.Debug("monitoring", fmt.Sprintf("Serving %d (%s) files", models.S.CurrentFiles, utils.HumanBytes(models.S.CurrentSize)))
		}
		logger.Debug("monitoring", fmt.Sprintf("Done Monit on Resources (%s)", time.Since(now)))
		<-tc.C
	}
}