2
0
Files
pgx/authentication_cleartext_password.go
T
2019-08-31 15:43:07 -05:00

40 lines
1.1 KiB
Go

package pgproto3
import (
"encoding/binary"
"errors"
"github.com/jackc/pgio"
)
// AuthenticationCleartextPassword is a message sent from the backend indicating that a clear-text password is required.
type AuthenticationCleartextPassword struct {
}
// Backend identifies this message as sendable by the PostgreSQL backend.
func (*AuthenticationCleartextPassword) Backend() {}
// Decode decodes src into dst. src must contain the complete message with the exception of the initial 1 byte message
// type identifier and 4 byte message length.
func (dst *AuthenticationCleartextPassword) Decode(src []byte) error {
if len(src) != 4 {
return errors.New("bad authentication message size")
}
authType := binary.BigEndian.Uint32(src)
if authType != AuthTypeCleartextPassword {
return errors.New("bad auth type")
}
return nil
}
// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
func (src *AuthenticationCleartextPassword) Encode(dst []byte) []byte {
dst = append(dst, 'R')
dst = pgio.AppendInt32(dst, 8)
dst = pgio.AppendUint32(dst, AuthTypeCleartextPassword)
return dst
}