go-mail/auth.go
Nicola Murino 8673addaf0 OAuth2: remove variants
Microsoft also accept the same protocol used for Google servers
2023-05-29 18:19:01 +02:00

41 lines
1.6 KiB
Go

// SPDX-FileCopyrightText: 2022-2023 The go-mail Authors
//
// SPDX-License-Identifier: MIT
package mail
import "errors"
// SMTPAuthType represents a string to any SMTP AUTH type
type SMTPAuthType string
// Supported SMTP AUTH types
const (
// SMTPAuthLogin is the "LOGIN" SASL authentication mechanism
SMTPAuthLogin SMTPAuthType = "LOGIN"
// SMTPAuthPlain is the "PLAIN" authentication mechanism as described in RFC 4616
SMTPAuthPlain SMTPAuthType = "PLAIN"
// SMTPAuthCramMD5 is the "CRAM-MD5" SASL authentication mechanism as described in RFC 4954
SMTPAuthCramMD5 SMTPAuthType = "CRAM-MD5"
// SMTPAuthXOAUTH2 is the "XOAUTH2" SASL authentication mechanism.
// https://developers.google.com/gmail/imap/xoauth2-protocol
SMTPAuthXOAUTH2 SMTPAuthType = "XOAUTH2"
)
// SMTP Auth related static errors
var (
// ErrPlainAuthNotSupported should be used if the target server does not support the "PLAIN" schema
ErrPlainAuthNotSupported = errors.New("server does not support SMTP AUTH type: PLAIN")
// ErrLoginAuthNotSupported should be used if the target server does not support the "LOGIN" schema
ErrLoginAuthNotSupported = errors.New("server does not support SMTP AUTH type: LOGIN")
// ErrCramMD5AuthNotSupported should be used if the target server does not support the "CRAM-MD5" schema
ErrCramMD5AuthNotSupported = errors.New("server does not support SMTP AUTH type: CRAM-MD5")
// ErrXOauth2AuthNotSupported should be used if the target server does not support the "XOAUTH2" schema
ErrXOauth2AuthNotSupported = errors.New("server does not support SMTP AUTH type: XOAUTH2")
)