authelia/notification/smtp_notifier.go
Clement Michaud a991379a74 Declare suites as Go structs and bootstrap e2e test framework in Go.
Some tests are not fully rewritten in Go, a typescript wrapper is called
instead until we remove the remaining TS tests and dependencies.

Also, dockerize every components (mainly Authelia backend, frontend and kind)
so that the project does not interfere with user host anymore (open ports for instance).
The only remaining intrusive change is the one done during bootstrap to add entries in /etc/hosts.
It will soon be avoided using authelia.com domain that I own.
2019-11-15 20:23:06 +01:00

95 lines
2.1 KiB
Go

package notification
import (
"fmt"
"net/smtp"
"github.com/clems4ever/authelia/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)
}