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authelia/internal/notification/smtp_login_auth.go
James Elliott c4b56a6002 Implement SMTP StartTLS and Adaptive Auth
- If the STARTTLS extension is advertised we automatically STARTTLS before authenticating or sending
- Uses the secure config key to determine if we should verify the cert. By default it does not verify the cert (should not break any configs)
- Attempt auth when the config has a SMTP password and the server supports the AUTH extension and either the PLAIN or LOGIN mechanism
- Check the mechanisms supported by the server and use PLAIN or LOGIN depending on which is supported
- Changed secure key to use boolean values instead of strings
- Arranged SMTP notifier properties/vars to be in the same order
- Log the steps for STARTTLS (debug only)
- Log the steps for AUTH (debug only)
2019-12-28 09:35:01 +01:00

35 lines
714 B
Go

package notification
import (
"bytes"
"fmt"
"net/smtp"
)
type loginAuth struct {
username string
password string
}
func LoginAuth(username, password string) smtp.Auth {
return &loginAuth{username, password}
}
func (a *loginAuth) Start(server *smtp.ServerInfo) (string, []byte, error) {
return "LOGIN", []byte{}, nil
}
func (a *loginAuth) Next(fromServer []byte, more bool) ([]byte, error) {
if !more {
return nil, nil
}
switch {
case bytes.Equal(fromServer, []byte("Username:")):
return []byte(a.username), nil
case bytes.Equal(fromServer, []byte("Password:")):
return []byte(a.password), nil
default:
return nil, fmt.Errorf("Unexpected challenge/data from server: %s.", fromServer)
}
}