-- import "github.com/nullboundary/utilbelt"

func CalcHMAC(message string, key []byte) []byte

CalcHMAC makes an HMAC of a message and key

--

func DebugPrintJson(Data interface{})

DebugPrintJson prints json data for debugging

--

func DecodeUriToBytes(str string, fileType string) (string, []byte)

DecodeUriToBytes decodes a data uri into bytes

--

func DecryptAESCFB(key []byte, cryptoText string) string

DecryptAESCFB decrypts from base64 to decrypted string

--

func EncodetoDataUri(fileName string, mimeType string, allowTypes ...string) (string, error)

EncodetoDataUri reads a file and generates a data uri

--

func EncryptAESCFB(key []byte, text string) string

EncryptAESCFB encrypts string to base64 crypto using AES

--

func GenerateFnvHashID(hashSeeds ...string) uint32

GenerateFnvHashID generates a hash fnv1a hash. Fast, unique, but insecure! use only for ids and such. https://programmers.stackexchange.com/questions/49550/which-hashing-algorithm-is-best-for-uniqueness-and-speed

--

func GenerateToken(key []byte, seeds ...string) string

GenerateToken creates a urlEnocded hmac token

--

func GetEtcdKey(key string) (string, error)

GetEtcdKey retrives key/value pairs from etcd disrtibuted store

--

func HashSha1Bytes(hashBytes []byte) []byte

HashSha1Bytes computes a Sha1 hash of byte data

--

func HashSha1Json(jsonData interface{}) []byte

HashSha1Json computes a Sha1 hash of json data

--

func HeartBeatEtcd(key string, value string, ttl int)

HeartbeatEtcd sets key/value pairs to etcd disrtibuted store at an interval Used to renew a ttl set

--

func JsonErrorResponse(res http.ResponseWriter, err error, status int)

JsonErrorResponse writes your error to response with a specific http status

--

func RandomStr(n int) string

RandomStr generates a string of random letters and numbers with crypto/rand

--

func ReadJson(req *http.Request, data interface{}) error

ReadJson read json from request and marshal the data

--

func SetEtcdKey(key string, value string, ttl int) error

SetEtcdKey sets key/value pairs to etcd disrtibuted store

--

func SetEtcdURL(etcdURL ...string) string

SetEtcdURL sets the url address and port of the etcd service from environment variables

--

func VerifyHMAC(message string, macOfMessage []byte, key []byte) bool

VerifyHMAC verifies a HMAC message

--

func VerifyToken(key []byte, authToken string, seeds ...string) (bool, error)

VerifyToken returns true if token has a valid HMAC.

--

func WriteJson(res http.ResponseWriter, dataOut interface{}, pretty bool) error

WriteJson writes json to response with http.StatusOK

--

func WriteJsonStatus(res http.ResponseWriter, status int, dataOut interface{}, pretty bool) error

WriteJsonStatus writes json to response and set specfic http status code