d06077c432
(Untested.) This will allow us to send via any supported provider within WriteFreely. Ref T731 T905
98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
/*
|
|
* Copyright © 2024 Musing Studio LLC.
|
|
*
|
|
* This file is part of WriteFreely.
|
|
*
|
|
* WriteFreely is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License, included
|
|
* in the LICENSE file in this source code package.
|
|
*/
|
|
|
|
package mailer
|
|
|
|
import (
|
|
"fmt"
|
|
"github.com/mailgun/mailgun-go"
|
|
"github.com/writefreely/writefreely/config"
|
|
mail "github.com/xhit/go-simple-mail/v2"
|
|
)
|
|
|
|
type (
|
|
// Mailer holds configurations for the preferred mailing provider.
|
|
Mailer struct {
|
|
smtp *mail.SMTPServer
|
|
mailGun *mailgun.MailgunImpl
|
|
}
|
|
|
|
// Message holds the email contents and metadata for the preferred mailing provider.
|
|
Message struct {
|
|
mgMsg *mailgun.Message
|
|
smtpMsg *mail.Email
|
|
}
|
|
)
|
|
|
|
// New creates a new Mailer from the instance's config.EmailCfg, returning an error if not properly configured.
|
|
func New(eCfg *config.EmailCfg) (*Mailer, error) {
|
|
m := &Mailer{}
|
|
if eCfg.Domain != "" && eCfg.MailgunPrivate != "" {
|
|
m.mailGun = mailgun.NewMailgun(eCfg.Domain, eCfg.MailgunPrivate)
|
|
} else if eCfg.Username != "" && eCfg.Password != "" && eCfg.Host != "" && eCfg.Port > 0 {
|
|
m.smtp = mail.NewSMTPClient()
|
|
m.smtp.Host = eCfg.Host
|
|
m.smtp.Port = eCfg.Port
|
|
m.smtp.Username = eCfg.Username
|
|
m.smtp.Password = eCfg.Password
|
|
if eCfg.EnableStartTLS {
|
|
m.smtp.Encryption = mail.EncryptionSTARTTLS
|
|
}
|
|
} else {
|
|
return nil, fmt.Errorf("no email provider is configured")
|
|
}
|
|
|
|
return m, nil
|
|
}
|
|
|
|
// NewMessage creates a new Message from the given parameters.
|
|
func (m *Mailer) NewMessage(from, subject, text string, to ...string) (*Message, error) {
|
|
msg := &Message{}
|
|
if m.mailGun != nil {
|
|
msg.mgMsg = m.mailGun.NewMessage(from, subject, text, to...)
|
|
} else if m.smtp != nil {
|
|
msg.smtpMsg = mail.NewMSG()
|
|
msg.smtpMsg.SetFrom(from)
|
|
msg.smtpMsg.AddTo(to...)
|
|
msg.smtpMsg.SetSubject(subject)
|
|
msg.smtpMsg.AddAlternative(mail.TextPlain, text)
|
|
|
|
if msg.smtpMsg.Error != nil {
|
|
return nil, msg.smtpMsg.Error
|
|
}
|
|
}
|
|
return msg, nil
|
|
}
|
|
|
|
// SetHTML sets the body of the message.
|
|
func (m *Message) SetHTML(html string) {
|
|
if m.smtpMsg != nil {
|
|
m.smtpMsg.SetBody(mail.TextHTML, html)
|
|
} else if m.mgMsg != nil {
|
|
m.mgMsg.SetHtml(html)
|
|
}
|
|
}
|
|
|
|
// Send sends the given message via the preferred provider.
|
|
func (m *Mailer) Send(msg *Message) error {
|
|
if m.smtp != nil {
|
|
client, err := m.smtp.Connect()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return msg.smtpMsg.Send(client)
|
|
} else if m.mailGun != nil {
|
|
_, _, err := m.mailGun.Send(msg.mgMsg)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|