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package net
import "encoding/base64"
import "encoding/json"
import "strings"
type Base64 []byte
func (b *Base64) UnmarshalJSON(data []byte) error {
var s string
err := json.Unmarshal(data, &s)
if err != nil {
return err
}
*b, err = base64.StdEncoding.DecodeString(s)
return err
}
func (b Base64) MarshalJSON() ([]byte, error) {
return json.Marshal(base64.StdEncoding.EncodeToString(b))
}
type Base64up []byte
func (b *Base64up) UnmarshalJSON(data []byte) error {
var s string
err := json.Unmarshal(data, &s)
if err != nil {
return err
}
*b, err = base64.URLEncoding.DecodeString(RepadBase64(s))
return err
}
func (b Base64up) MarshalJSON() ([]byte, error) {
return json.Marshal(strings.TrimRight(base64.URLEncoding.EncodeToString(b), "="))
}
func RepadBase64(s string) string {
if m := len(s) % 4; m >= 2 {
return s + "=="[m-2:]
}
return s
}
// untested
func RepadBase32(s string) string {
if m := len(s) % 8; m >= 6 {
return s + "======"[m-6:]
}
return s
}
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