utils

Documentation

Index

• Variables
• func CleanFile(fileName string)
• func CleanFileWatch()
• func Decrypt(password []byte, decryptionKey string, ttl int) (string, error)
• func Encrypt(password string) ([]byte, string, error)
• func GenerateRandomString(n int) (string, error)
• func GetBaseUrl(context echo.Context) string
• func GetDownloadsText(ttlViews int) (viewsDownload string)
• func GetFile(f *models.File) *echo.HTTPError
• func GetMaxFileSizeText() string
• func GetPassword(p *models.Password) *echo.HTTPError
• func GetTTLText(ttl int) (ttlText string)
• func GetTtlSeconds(ttl int) int
• func GetViewsText(ttlViews int) (viewsText string)
• func NewPool() *redis.Pool
• func ParseToken(token string) (string, string, error)
• func Ping(c redis.Conn) bool
• func RemoveFile(f *models.File) *echo.HTTPError
• func RemovePassword(p *models.Password) *echo.HTTPError
• func RetrieveFilePassword(f *models.File) *echo.HTTPError
• func RetrievePassword(p *models.Password) *echo.HTTPError
• func SetFile(password string, ttl, views int, deletable, provided bool, providedKey string) (string, *echo.HTTPError)
• func SetPassword(password string, ttl, views int, deletable bool) (string, *echo.HTTPError)

Variables

var (
	REDIS_HOST      string
	REDIS_PASSWORD  string
	REDIS_PORT      string
	REDIS_DB        string
	REDIS_PREFIX    string
	TOKEN_SEPARATOR string
	NO_SSL          bool = false
	APP_PORT        string
	LOGO            string
	APP_NAME        string
	DISCLAIMER      string
	COPYRIGHT       string
	FILEFOLDER      string
	MAXFILESIZE     string
	MaxFileSize     int64
	DataContext     pongo2.Context
)

Functions

func CleanFile

func CleanFile(fileName string)

func CleanFileWatch

func CleanFileWatch()

*

• Subscribe to Redis and create a goroutine to check when a key expire then clean the associated file.

func Decrypt

func Decrypt(password []byte, decryptionKey string, ttl int) (string, error)

*

• Decrypt a password (bytes) using the provided key (bytes) and return the plain-text password (bytes).
• @param password
• @param decryption_key

func Encrypt

func Encrypt(password string) ([]byte, string, error)

* Take a password string, encrypt it with Fernet symmetric encryption and return the result (bytes), with the decryption key (bytes). * @param password

func GenerateRandomString

func GenerateRandomString(n int) (string, error)

*

• GenerateRandomString. Source: https://gist.github.com/dopey/c69559607800d2f2f90b1b1ed4e550fb

func GetBaseUrl

func GetBaseUrl(context echo.Context) string

*

• Return url with http or https based on NO_SSL env value.

func GetDownloadsText

func GetDownloadsText(ttlViews int) (viewsDownload string)

* Transform Downloads to text.

func GetFile

func GetFile(f *models.File) *echo.HTTPError

func GetMaxFileSizeText

func GetMaxFileSizeText() string

func GetPassword

func GetPassword(p *models.Password) *echo.HTTPError

* Get a password from the Redis store. Source: https://gist.github.com/pohzipohzi/a202f8fb7cc30e33176dd97a9def5aac. Source: https://www.alexedwards.net/blog/working-with-redis.

func GetTTLText

func GetTTLText(ttl int) (ttlText string)

* Transform TTL to text.

func GetTtlSeconds

func GetTtlSeconds(ttl int) int

*

• Transform TTL from form to seconds.

func GetViewsText

func GetViewsText(ttlViews int) (viewsText string)

* Transform Views to text.

func NewPool

func NewPool() *redis.Pool

https://medium.com/@gilcrest_65433/basic-redis-examples-with-go-a3348a12878e

func ParseToken

func ParseToken(token string) (string, string, error)

*

• Return splitted token.
• @param token

func Ping

func Ping(c redis.Conn) bool

Ping tests connectivity for redis (PONG should be returned)

func RemoveFile

func RemoveFile(f *models.File) *echo.HTTPError

func RemovePassword

func RemovePassword(p *models.Password) *echo.HTTPError

*

• Remove a password from the Redis store. If an error occur we return a not found.

func RetrieveFilePassword

func RetrieveFilePassword(f *models.File) *echo.HTTPError

func RetrievePassword

func RetrievePassword(p *models.Password) *echo.HTTPError

func SetFile

func SetFile(password string, ttl, views int, deletable, provided bool, providedKey string) (string, *echo.HTTPError)

*

• Encrypt and store the password for the specified lifetime.
• Returns a token comprised of the key where the encrypted password is stored, and the decryption key.
• @param {string} password
• @param {number} ttl
• @param {number} views
• @param {boolean} deletable
• @return {string} token

func SetPassword

func SetPassword(password string, ttl, views int, deletable bool) (string, *echo.HTTPError)

*

• Encrypt and store the password for the specified lifetime.
• Returns a token comprised of the key where the encrypted password is stored, and the decryption key.
• @param {string} password
• @param {number} ttl
• @param {number} views
• @param {boolean} deletable
• @return {string, error} token, error