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package pgproto3
import (
"bytes"
"encoding/json"
"github.com/jackc/pgio"
)
type PasswordMessage struct {
Password string
}
// Frontend identifies this message as sendable by a PostgreSQL frontend.
func (*PasswordMessage) Frontend() {}
// Frontend identifies this message as an authentication response.
func (*PasswordMessage) InitialResponse() {}
// 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 *PasswordMessage) Decode(src []byte) error {
buf := bytes.NewBuffer(src)
b, err := buf.ReadBytes(0)
if err != nil {
return err
}
dst.Password = string(b[:len(b)-1])
return nil
}
// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
func (src *PasswordMessage) Encode(dst []byte) []byte {
dst = append(dst, 'p')
dst = pgio.AppendInt32(dst, int32(4+len(src.Password)+1))
dst = append(dst, src.Password...)
dst = append(dst, 0)
return dst
}
// MarshalJSON implements encoding/json.Marshaler.
func (src PasswordMessage) MarshalJSON() ([]byte, error) {
return json.Marshal(struct {
Type string
Password string
}{
Type: "PasswordMessage",
Password: src.Password,
})
}
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