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