mirror of https://github.com/gogs/gogs.git
59 lines
1.3 KiB
Go
59 lines
1.3 KiB
Go
// Copyright 2020 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package smtp
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import (
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"crypto/tls"
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"fmt"
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"net/smtp"
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"github.com/pkg/errors"
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)
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// Config contains configuration for SMTP authentication.
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//
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// ⚠️ WARNING: Change to the field name must preserve the INI key name for backward compatibility.
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type Config struct {
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Auth string
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Host string
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Port int
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AllowedDomains string
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TLS bool `ini:"tls"`
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SkipVerify bool
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}
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func (c *Config) doAuth(auth smtp.Auth) error {
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client, err := smtp.Dial(fmt.Sprintf("%s:%d", c.Host, c.Port))
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if err != nil {
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return err
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}
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defer client.Close()
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if err = client.Hello("gogs"); err != nil {
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return err
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}
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if c.TLS {
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if ok, _ := client.Extension("STARTTLS"); ok {
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if err = client.StartTLS(&tls.Config{
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InsecureSkipVerify: c.SkipVerify,
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ServerName: c.Host,
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}); err != nil {
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return err
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}
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} else {
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return errors.New("SMTP server does not support TLS")
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}
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}
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if ok, _ := client.Extension("AUTH"); ok {
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if err = client.Auth(auth); err != nil {
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return err
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}
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return nil
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}
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return errors.New("unsupported SMTP authentication method")
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}
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