utils

func CheckPasswordHash ¶

func CheckPasswordHash(password, hash string) bool

Function checks the plaintext string and hash string and returns either true or false depending.

func ConnectDB ¶

func ConnectDB(databaseHost, databasePort, databaseUser, databasePassword, databaseName, databaseSchemaName string) (*sql.DB, error)

func ConvertNullStringToNullTime ¶

func ConvertNullStringToNullTime(s null.String, timezone string, nowWhenIsZero bool) (null.Time, error)

func ConvertNullStringToTime ¶

func ConvertNullStringToTime(s null.String, timezone string, nowWhenIsZero bool) (time.Time, error)

func ConvertPGAdminTimeStringToTime ¶

func ConvertPGAdminTimeStringToTime(dateTimeString string) (time.Time, error)

Function will convert the timestamp string that `PgAdmin` exports (when you export as CSV format) into a Golang `time` data-format. TODO: Implement matching of timezones!

func DownloadS3ObjToTmpDir ¶

func DownloadS3ObjToTmpDir(s3Client *s3.S3, bucketName string, s3key string, uuid string) (string, error)

Function will download the s3 file to the `/tmp` folder on the system and return the local filepath address of the downloaded file.

func FindMatchingObjectKeyInS3Bucket ¶

func FindMatchingObjectKeyInS3Bucket(s3Objects *s3.ListObjectsOutput, partialKey string) string

Function will iterate over all the s3 objects to match the partial key with the actual key found in the S3 bucket.

func GenerateJWTTokenPair ¶

func GenerateJWTTokenPair(hmacSecret []byte, uuid string, d time.Duration) (string, string, error)

GenerateJWTTokenPair Generate the `access token` and `refresh token` for the secret key.

func GetBinFromBase64String ¶

func GetBinFromBase64String(b64s string) ([]byte, error)

GetBinFromBase64String will convert the string parameter and return a `[]byte` object.

Special thanks: (1) https://github.com/tomchristie/django-rest-framework/pull/1268 (2) https://stackoverflow.com/a/39587386

func GetS3Obj ¶

func GetS3Obj(s3Client *s3.S3, bucketName string, s3key string) (*s3.GetObjectOutput, error)

func GetS3ObjBin ¶

func GetS3ObjBin(s3Client *s3.S3, bucketName string, s3key string) (io.ReadCloser, error)

Function will get the s3 file and return the file binary.

func HashPassword ¶

func HashPassword(password string) (string, error)

Function takes the plaintext string and returns a hash string.

func HashPasswordAlgorithm ¶

func HashPasswordAlgorithm() string

Function returns the algorithm used for hashing.

func HeaderSize ¶

func HeaderSize(h http.Header) int64

func IPFromHostPort ¶

func IPFromHostPort(hp string) string

func JsonPrettyPrint ¶

func JsonPrettyPrint(in string) string

Utility function nicely prints string data of JSON formatted contents. SOURCE: https://stackoverflow.com/a/36544455

func ListAllS3ObjectsInBucket ¶

func ListAllS3ObjectsInBucket(s3Client *s3.S3, bucketName string) *s3.ListObjectsOutput

Function returns a list of all the S3 stored objects sin a specific bucket.

func NewS3Client ¶

func NewS3Client(key, secret, endpoint, region string) *s3.S3

Function connects to a specific S3 bucket instance and returns a connected instance structure.

func NowTimestampString ¶

func NowTimestampString() string

func ProcessJWTToken ¶

func ProcessJWTToken(hmacSecret []byte, reqToken string) (string, error)

ProcessJWTToken validates either the `access token` or `refresh token` and returns either the `uuid` if success or error on failure.

func UploadBinToS3 ¶

func UploadBinToS3(s3Client *s3.S3, bucketName string, s3key string, body string, acl string) error