go-tg-screenshot-bot

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package dbus
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import (
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	"encoding/hex"
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)
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// AuthExternal returns an Auth that authenticates as the given user with the
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// EXTERNAL mechanism.
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func AuthExternal(user string) Auth {
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	return authExternal{user}
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}
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// AuthExternal implements the EXTERNAL authentication mechanism.
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type authExternal struct {
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	user string
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}
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func (a authExternal) FirstData() ([]byte, []byte, AuthStatus) {
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	b := make([]byte, 2*len(a.user))
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	hex.Encode(b, []byte(a.user))
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	return []byte("EXTERNAL"), b, AuthOk
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}
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func (a authExternal) HandleData(b []byte) ([]byte, AuthStatus) {
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	return nil, AuthError
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}
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