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zeekayandHanzo Dev
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Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package sender
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import (
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"errors"
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"fmt"
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"net/smtp"
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"github.com/Azure/go-ntlmssp"
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)
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type loginAuth struct {
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username, password string
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}
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// LoginAuth SMTP AUTH LOGIN Auth Handler
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func LoginAuth(username, password string) smtp.Auth {
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return &loginAuth{username, password}
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}
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// Start start SMTP login auth
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func (a *loginAuth) Start(server *smtp.ServerInfo) (string, []byte, error) {
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return "LOGIN", []byte{}, nil
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}
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// Next next step of SMTP login auth
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func (a *loginAuth) Next(fromServer []byte, more bool) ([]byte, error) {
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if more {
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switch string(fromServer) {
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case "Username:":
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return []byte(a.username), nil
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case "Password:":
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return []byte(a.password), nil
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default:
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return nil, fmt.Errorf("unknown fromServer: %s", string(fromServer))
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}
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}
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return nil, nil
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}
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type ntlmAuth struct {
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username, password string
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}
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// NtlmAuth SMTP AUTH NTLM Auth Handler
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func NtlmAuth(username, password string) smtp.Auth {
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return &ntlmAuth{username, password}
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}
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// Start starts SMTP NTLM Auth
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func (a *ntlmAuth) Start(server *smtp.ServerInfo) (string, []byte, error) {
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negotiateMessage, err := ntlmssp.NewNegotiateMessage("", "")
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return "NTLM", negotiateMessage, err
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}
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// Next next step of SMTP ntlm auth
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func (a *ntlmAuth) Next(fromServer []byte, more bool) ([]byte, error) {
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if more {
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if len(fromServer) == 0 {
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return nil, errors.New("ntlm ChallengeMessage is empty")
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}
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authenticateMessage, err := ntlmssp.NewAuthenticateMessage(fromServer, a.username, a.password, nil)
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return authenticateMessage, err
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}
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return nil, nil
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}
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