evalphobia/hierogolyph

package hierogolyph

import (
    "encoding/base64"
    "unicode/utf8"
)

// paddingLeft adds pad string into left side of str.
func paddingLeft(str string, length int, pad string) string {
    return padding(pad, length-utf8.RuneCountInString(str)) + str
}

func padding(pad string, length int) (result string) {
    for i := 0; i < length; i++ {
        result += pad
    }
    return result
}

func encodeBase64(byt []byte) string {
    return base64.StdEncoding.EncodeToString(byt)
}

func encodeBase64String(text string) string {
    return encodeBase64([]byte(text))
}

func decodeBase64(text string) (string, error) {
    s, err := base64.StdEncoding.DecodeString(text)
    return string(s), err
}