95 lines
2.1 KiB
Go
95 lines
2.1 KiB
Go
package notification
|
|
|
|
import (
|
|
"fmt"
|
|
"net/smtp"
|
|
|
|
"github.com/clems4ever/authelia/internal/configuration/schema"
|
|
)
|
|
|
|
// SMTPNotifier a notifier to send emails to SMTP servers.
|
|
type SMTPNotifier struct {
|
|
address string
|
|
sender string
|
|
username string
|
|
password string
|
|
host string
|
|
port int
|
|
}
|
|
|
|
// NewSMTPNotifier create an SMTPNotifier targeting a given address.
|
|
func NewSMTPNotifier(configuration schema.SMTPNotifierConfiguration) *SMTPNotifier {
|
|
return &SMTPNotifier{
|
|
host: configuration.Host,
|
|
port: configuration.Port,
|
|
address: fmt.Sprintf("%s:%d", configuration.Host, configuration.Port),
|
|
sender: configuration.Sender,
|
|
username: configuration.Username,
|
|
password: configuration.Password,
|
|
}
|
|
}
|
|
|
|
func (n *SMTPNotifier) authenticatedSend(recipient string, msg string) error {
|
|
auth := smtp.PlainAuth("", n.username, n.password, n.host)
|
|
err := smtp.SendMail(fmt.Sprintf("%s:%d", n.host, n.port), auth, n.sender,
|
|
[]string{recipient}, []byte(msg))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (n *SMTPNotifier) unauthenticatedSend(recipient string, msg string) error {
|
|
// Connect to the remote SMTP server.
|
|
c, err := smtp.Dial(n.address)
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Set the sender and recipient first
|
|
if err := c.Mail(n.sender); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := c.Rcpt(recipient); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Send the email body.
|
|
wc, err := c.Data()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
_, err = fmt.Fprintf(wc, msg)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = wc.Close()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Send the QUIT command and close the connection.
|
|
err = c.Quit()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Send send a identity verification link to a user.
|
|
func (n *SMTPNotifier) Send(recipient string, subject string, body string) error {
|
|
msg := "From: " + n.sender + "\n" +
|
|
"To: " + recipient + "\n" +
|
|
"Subject: " + subject + "\n" +
|
|
"Content-Type: text/html\n" +
|
|
"MIME-version: 1.0;\nContent-Type: text/html; charset=\"UTF-8\";\n\n" +
|
|
body
|
|
|
|
if n.password != "" {
|
|
return n.authenticatedSend(recipient, msg)
|
|
}
|
|
return n.unauthenticatedSend(recipient, msg)
|
|
}
|