88 lines
1.7 KiB
Go
88 lines
1.7 KiB
Go
package mail
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"fmt"
|
|
"net/mail"
|
|
"net/smtp"
|
|
|
|
"acooldomain.co/backend/models"
|
|
)
|
|
|
|
const EMAIL_SERVER_ENV_VAR = "EMAIL_SERVER"
|
|
const FROM_EMAIL_ENV_VAR = "FROM_EMAIL"
|
|
|
|
var auth *smtp.Auth
|
|
var mailConfig *models.EmailConfig
|
|
|
|
func InitializeClient(config models.EmailConfig) error {
|
|
simpleAuth := smtp.PlainAuth("", config.Username, config.Password, config.Server)
|
|
auth = &simpleAuth
|
|
mailConfig = &config
|
|
return nil
|
|
}
|
|
|
|
func SendMail(
|
|
recipient string,
|
|
subject string,
|
|
content string,
|
|
) error {
|
|
if auth == nil {
|
|
return fmt.Errorf("mail not initialized")
|
|
}
|
|
if mailConfig == nil {
|
|
return fmt.Errorf("mail not initialized")
|
|
}
|
|
from := mail.Address{Name: "", Address: mailConfig.FromEmail}
|
|
to := mail.Address{Name: "", Address: recipient}
|
|
|
|
headers := make(map[string]string)
|
|
headers["From"] = from.String()
|
|
headers["To"] = to.String()
|
|
headers["Subject"] = subject
|
|
|
|
message := ""
|
|
for k, v := range headers {
|
|
message += fmt.Sprintf("%s: %s\r\n", k, v)
|
|
}
|
|
message += "\r\n" + content
|
|
|
|
conn, err := tls.Dial("tcp", mailConfig.Server+":465", &tls.Config{ServerName: mailConfig.Server})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
client, err := smtp.NewClient(conn, mailConfig.Server)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if err = client.Auth(*auth); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err = client.Mail(mailConfig.FromEmail); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err = client.Rcpt(recipient); err != nil {
|
|
return err
|
|
}
|
|
|
|
writer, err := client.Data()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = writer.Write([]byte(message))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if err = writer.Close(); err != nil {
|
|
return err
|
|
}
|
|
|
|
return client.Quit()
|
|
}
|