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Use gomail library for sending emails

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3b881776b5
This commit is contained in:
Lakhan Samani
2022-01-08 14:08:42 +05:30
parent 2137d8ef5d
commit 37fe5071c5
4 changed files with 63 additions and 86 deletions
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82
server/email/email.go
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@@ -1,26 +1,14 @@
package email
import (
"bytes"
"fmt"
"crypto/tls"
"log"
"mime/quotedprintable"
"net/smtp"
"strings"
"strconv"
"github.com/authorizerdev/authorizer/server/constants"
gomail "gopkg.in/mail.v2"
)
/**
Using: https://github.com/tangingw/go_smtp/blob/master/send_mail.go
For gmail add instruction to enable less security
// https://myaccount.google.com/u/0/lesssecureapps
// https://www.google.com/settings/security/lesssecureapps
// https://stackoverflow.com/questions/19877246/nodemailer-with-gmail-and-nodejs
**/
// TODO -> try using gomail.v2
type Sender struct {
User string
Password string
@@ -30,60 +18,20 @@ func NewSender() Sender {
return Sender{User: constants.SMTP_USERNAME, Password: constants.SMTP_PASSWORD}
}
func (sender Sender) SendMail(Dest []string, Subject, bodyMessage string) error {
msg := "From: " + constants.SENDER_EMAIL + "\n" +
"To: " + strings.Join(Dest, ",") + "\n" +
"Subject: " + Subject + "\n" + bodyMessage
err := smtp.SendMail(constants.SMTP_HOST+":"+constants.SMTP_PORT,
smtp.PlainAuth("", sender.User, sender.Password, constants.SMTP_HOST),
constants.SENDER_EMAIL, Dest, []byte(msg))
if err != nil {
func (sender Sender) SendMail(to []string, Subject, bodyMessage string) error {
m := gomail.NewMessage()
m.SetHeader("From", constants.SENDER_EMAIL)
m.SetHeader("To", to...)
m.SetHeader("Subject", Subject)
m.SetBody("text/html", bodyMessage)
port, _ := strconv.Atoi(constants.SMTP_PORT)
d := gomail.NewDialer(constants.SMTP_HOST, port, constants.SMTP_USERNAME, constants.SMTP_PASSWORD)
if constants.ENV == "development" {
d.TLSConfig = &tls.Config{InsecureSkipVerify: true}
}
if err := d.DialAndSend(m); err != nil {
log.Printf("smtp error: %s", err)
return err
}
return nil
}
func (sender Sender) WriteEmail(dest []string, contentType, subject, bodyMessage string) string {
header := make(map[string]string)
header["From"] = sender.User
receipient := ""
for _, user := range dest {
receipient = receipient + user
}
header["To"] = receipient
header["Subject"] = subject
header["MIME-Version"] = "1.0"
header["Content-Type"] = fmt.Sprintf("%s; charset=\"utf-8\"", contentType)
header["Content-Transfer-Encoding"] = "quoted-printable"
header["Content-Disposition"] = "inline"
message := ""
for key, value := range header {
message += fmt.Sprintf("%s: %s\r\n", key, value)
}
var encodedMessage bytes.Buffer
finalMessage := quotedprintable.NewWriter(&encodedMessage)
finalMessage.Write([]byte(bodyMessage))
finalMessage.Close()
message += "\r\n" + encodedMessage.String()
return message
}
func (sender *Sender) WriteHTMLEmail(dest []string, subject, bodyMessage string) string {
return sender.WriteEmail(dest, "text/html", subject, bodyMessage)
}
func (sender *Sender) WritePlainEmail(dest []string, subject, bodyMessage string) string {
return sender.WriteEmail(dest, "text/plain", subject, bodyMessage)
}