gotosocial/vendor/github.com/jackc/pgproto3/v2/authentication_gss_continue.go

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package pgproto3
import (
"encoding/binary"
"encoding/json"
"errors"
"github.com/jackc/pgio"
)
type AuthenticationGSSContinue struct {
Data []byte
}
func (a *AuthenticationGSSContinue) Backend() {}
func (a *AuthenticationGSSContinue) AuthenticationResponse() {}
func (a *AuthenticationGSSContinue) Decode(src []byte) error {
if len(src) < 4 {
return errors.New("authentication message too short")
}
authType := binary.BigEndian.Uint32(src)
if authType != AuthTypeGSSCont {
return errors.New("bad auth type")
}
a.Data = src[4:]
return nil
}
func (a *AuthenticationGSSContinue) Encode(dst []byte) []byte {
dst = append(dst, 'R')
dst = pgio.AppendInt32(dst, int32(len(a.Data))+8)
dst = pgio.AppendUint32(dst, AuthTypeGSSCont)
dst = append(dst, a.Data...)
return dst
}
func (a *AuthenticationGSSContinue) MarshalJSON() ([]byte, error) {
return json.Marshal(struct {
Type string
Data []byte
}{
Type: "AuthenticationGSSContinue",
Data: a.Data,
})
}
func (a *AuthenticationGSSContinue) UnmarshalJSON(data []byte) error {
// Ignore null, like in the main JSON package.
if string(data) == "null" {
return nil
}
var msg struct {
Type string
Data []byte
}
if err := json.Unmarshal(data, &msg); err != nil {
return err
}
a.Data = msg.Data
return nil
}