82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
package emailer
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"fmt"
|
|
"time"
|
|
|
|
mail "github.com/xhit/go-simple-mail/v2"
|
|
)
|
|
|
|
type SmtpMail struct {
|
|
hostname string
|
|
port int
|
|
username string
|
|
password string
|
|
authType mail.AuthType
|
|
noTLSCheck bool
|
|
fromName string
|
|
from string
|
|
}
|
|
|
|
func authType(authType string) mail.AuthType {
|
|
switch authType {
|
|
case "PLAIN":
|
|
return mail.AuthPlain
|
|
case "LOGIN":
|
|
return mail.AuthLogin
|
|
default:
|
|
return mail.AuthNone
|
|
}
|
|
}
|
|
|
|
func NewSmtpMail(hostname string, port int, username string, password string, noTLSCheck bool, auth string, fromName, from string) *SmtpMail {
|
|
ans := SmtpMail{hostname: hostname, port: port, username: username, password: password, noTLSCheck: noTLSCheck, fromName: fromName, from: from, authType: authType(auth)}
|
|
return &ans
|
|
}
|
|
|
|
func addressField(address string, name string) string {
|
|
if name == "" {
|
|
return address
|
|
}
|
|
return fmt.Sprintf("%s <%s>", name, address)
|
|
}
|
|
|
|
func (o *SmtpMail) Send(toName string, to string, subject string, content string, attachments []Attachment) error {
|
|
server := mail.NewSMTPClient()
|
|
|
|
server.Host = o.hostname
|
|
server.Port = o.port
|
|
server.Authentication = o.authType
|
|
server.Username = o.username
|
|
server.Password = o.password
|
|
server.Encryption = mail.EncryptionSTARTTLS
|
|
server.KeepAlive = false
|
|
server.ConnectTimeout = 10 * time.Second
|
|
server.SendTimeout = 10 * time.Second
|
|
|
|
if o.noTLSCheck {
|
|
server.TLSConfig = &tls.Config{InsecureSkipVerify: true}
|
|
}
|
|
|
|
smtpClient, err := server.Connect()
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
email := mail.NewMSG()
|
|
email.SetFrom(addressField(o.from, o.fromName)).
|
|
AddTo(addressField(to, toName)).
|
|
SetSubject(subject).
|
|
SetBody(mail.TextHTML, content)
|
|
|
|
for _, v := range attachments {
|
|
email.Attach(&mail.File{Name: v.Name, Data: v.Data})
|
|
}
|
|
|
|
err = email.Send(smtpClient)
|
|
|
|
return err
|
|
}
|