utils

Documentation

Index

• Constants
• func AesDecrypt(src, key, iv string) (string, error)
• func AesEncrypt(src, key, iv string) (string, error)
• func Base64Decode(in string) []byte
• func Base64Encode(in []byte) string
• func BytesToUint32(buf []byte) uint32
• func BytesToUint64(buf []byte) uint64
• func Compress(data []byte) []byte
• func DeCompress(data []byte) []byte
• func FromJson(jsonStr string, v interface{}) error
• func GenerateRandomNumInRange(min, max int) uint32
• func GenerateRandomStr(inseed []byte) string
• func GetAppBaseDir() string
• func HexDecode(in string) []byte
• func HexEncode(in []byte) string
• func IsDigit(str string) bool
• func IsPathExisting(path string) bool
• func IsPositiveNumber(src string) bool
• func IsValidEmailAddr(email string) bool
• func IsValidStruct(dataStruct interface{}) error
• func LoadConfigurationFromYamlFile(data_dir_from_cli_arg, data_dir_name, cfg_file_name string, out interface{}) (string, error)
• func NewRandomUUID() string
• func NewUUID() string
• func PKCS5Padding(src []byte, blockSize int) []byte
• func PKCS5UnPadding(src []byte) []byte
• func ReadJSONFile(filename string, v interface{}) error
• func RsaDecrypt(src string, privateKey []byte) (string, error)
• func Sha256(indata []byte) string
• func ToJSON(v interface{}) string
• func ToJSONIndent(v interface{}) string
• func Uint32ToBytes(dat uint32) []byte
• func Uint32ToBytesBuffer(buffer []byte, dat uint32)
• func Uint64ToBytes(dat uint64) []byte

Constants

const (
	Length_4 = 4
	Length_8 = 8
)

Functions

func AesDecrypt

func AesDecrypt(src, key, iv string) (string, error)

AesDecrypt [in] src : encryped data with base64 encode [out] original data

func AesEncrypt

func AesEncrypt(src, key, iv string) (string, error)

AesEncrypt [in] src : original data [out] encryped data with base64 encode

func Base64Decode

func Base64Decode(in string) []byte

func Base64Encode

func Base64Encode(in []byte) string

func BytesToUint32

func BytesToUint32(buf []byte) uint32

func BytesToUint64

func BytesToUint64(buf []byte) uint64

func Compress

func Compress(data []byte) []byte

func DeCompress

func DeCompress(data []byte) []byte

func FromJson

func FromJson(jsonStr string, v interface{}) error

func GenerateRandomNumInRange

func GenerateRandomNumInRange(min, max int) uint32

func GenerateRandomStr

func GenerateRandomStr(inseed []byte) string

func GetAppBaseDir

func GetAppBaseDir() string

GetAppBaseDir get the execute file's absolute path

func HexDecode

func HexDecode(in string) []byte

func HexEncode

func HexEncode(in []byte) string

func IsDigit

func IsDigit(str string) bool

func IsPathExisting

func IsPathExisting(path string) bool

func IsPositiveNumber

func IsPositiveNumber(src string) bool

func IsValidEmailAddr

func IsValidEmailAddr(email string) bool

func IsValidStruct

func IsValidStruct(dataStruct interface{}) error

using validator library to validate a Struct

func LoadConfigurationFromYamlFile

func LoadConfigurationFromYamlFile(data_dir_from_cli_arg, data_dir_name, cfg_file_name string, out interface{}) (string, error)

@data_dir_from_cli_arg: data dir name come from the command line @dir_name: data dir name @cfg_file_name: configuration file name in `dir_name` directory

func NewRandomUUID

func NewRandomUUID() string

func NewUUID

func NewUUID() string

generate a new uuid without "-"

func PKCS5Padding

func PKCS5Padding(src []byte, blockSize int) []byte

func PKCS5UnPadding

func PKCS5UnPadding(src []byte) []byte

func ReadJSONFile

func ReadJSONFile(filename string, v interface{}) error

ReadJSONFile reads a JSON format file into v

func RsaDecrypt

func RsaDecrypt(src string, privateKey []byte) (string, error)

convert base64 encoded string to binary as input base64 encoded string

func Sha256

func Sha256(indata []byte) string

func ToJSON

func ToJSON(v interface{}) string

func ToJSONIndent

func ToJSONIndent(v interface{}) string

ToJSONIndent is a helper method that converts the object to human readable format

func Uint32ToBytes

func Uint32ToBytes(dat uint32) []byte

func Uint32ToBytesBuffer

func Uint32ToBytesBuffer(buffer []byte, dat uint32)

func Uint64ToBytes

func Uint64ToBytes(dat uint64) []byte