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