mirror of
https://github.com/0rangebananaspy/authelia.git
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828f565290
This is going to be the v4. Expected improvements: - More reliable due to static typing. - Bump of performance. - Improvement of logging. - Authelia can be shipped as a single binary. - Will likely work on ARM architecture.
91 lines
2.1 KiB
Go
91 lines
2.1 KiB
Go
package notification
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import (
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"fmt"
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"net/smtp"
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"github.com/clems4ever/authelia/configuration/schema"
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)
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// SMTPNotifier a notifier to send emails to SMTP servers.
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type SMTPNotifier struct {
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address string
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sender string
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username string
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password string
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host string
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port int
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}
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// NewSMTPNotifier create an SMTPNotifier targeting a given address.
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func NewSMTPNotifier(configuration schema.SMTPNotifierConfiguration) *SMTPNotifier {
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return &SMTPNotifier{
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host: configuration.Host,
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port: configuration.Port,
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address: fmt.Sprintf("%s:%d", configuration.Host, configuration.Port),
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sender: configuration.Sender,
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username: configuration.Username,
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password: configuration.Password,
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}
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}
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func (n *SMTPNotifier) authenticatedSend(recipient string, msg string) error {
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auth := smtp.PlainAuth("", n.username, n.password, n.host)
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err := smtp.SendMail(fmt.Sprintf("%s:%d", n.host, n.port), auth, n.sender,
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[]string{recipient}, []byte(msg))
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if err != nil {
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return err
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}
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return nil
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}
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func (n *SMTPNotifier) unauthenticatedSend(recipient string, msg string) error {
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// Connect to the remote SMTP server.
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c, err := smtp.Dial(n.address)
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// Set the sender and recipient first
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if err := c.Mail(n.sender); err != nil {
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return err
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}
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if err := c.Rcpt(recipient); err != nil {
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return err
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}
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// Send the email body.
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wc, err := c.Data()
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if err != nil {
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return err
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}
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_, err = fmt.Fprintf(wc, msg)
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if err != nil {
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return err
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}
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err = wc.Close()
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if err != nil {
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return err
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}
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// Send the QUIT command and close the connection.
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err = c.Quit()
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if err != nil {
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return err
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}
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return nil
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}
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// Send send a identity verification link to a user.
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func (n *SMTPNotifier) Send(recipient string, subject string, body string) error {
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msg := "From: " + n.sender + "\n" +
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"To: " + recipient + "\n" +
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"Subject: " + subject + "\n" +
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"Content-Type: text/html\n" +
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"MIME-version: 1.0;\nContent-Type: text/html; charset=\"UTF-8\";\n\n" +
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body
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if n.password != "" {
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return n.authenticatedSend(recipient, msg)
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}
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return n.unauthenticatedSend(recipient, msg)
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}
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