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