mirror of
https://github.com/wneessen/go-mail.git
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Winni Neessen
438cfd60eb
- Bump version in doc.go - Add sonarlint to .gitignore - Update README to reflect the changes and contributors - Fixed typos in auth_cram_md5_118.go, msg.go, msg_test.go, reader.go and smtp_ehlo_117.go
49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
// SPDX-FileCopyrightText: Copyright 2010 The Go Authors. All rights reserved.
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// SPDX-FileCopyrightText: Copyright (c) 2022-2023 The go-mail Authors
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//
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// Original net/smtp code from the Go stdlib by the Go Authors.
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// Use of this source code is governed by a BSD-style
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// LICENSE file that can be found in this directory.
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//
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// go-mail specific modifications by the go-mail Authors.
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// Licensed under the MIT License.
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// See [PROJECT ROOT]/LICENSES directory for more information.
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//
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// SPDX-License-Identifier: BSD-3-Clause AND MIT
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//go:build !go1.18
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// +build !go1.18
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package smtp
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import "strings"
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// ehlo sends the EHLO (extended hello) greeting to the server. It
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// should be the preferred greeting for servers that support it.
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//
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// Backport of: https://github.com/golang/go/commit/4d8db00641cc9ff4f44de7df9b8c4f4a4f9416ee#diff-4f6f6bdb9891d4dd271f9f31430420a2e44018fe4ee539576faf458bebb3cee4
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// to guarantee backwards compatibility with Go 1.16/1.17:w
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func (c *Client) ehlo() error {
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_, msg, err := c.cmd(250, "EHLO %s", c.localName)
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if err != nil {
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return err
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}
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ext := make(map[string]string)
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extList := strings.Split(msg, "\n")
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if len(extList) > 1 {
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extList = extList[1:]
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for _, line := range extList {
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args := strings.SplitN(line, " ", 2)
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if len(args) > 1 {
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ext[args[0]] = args[1]
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} else {
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ext[args[0]] = ""
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}
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}
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}
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if mechs, ok := ext["AUTH"]; ok {
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c.auth = strings.Split(mechs, " ")
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}
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c.ext = ext
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return err
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}
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