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Add SCRAM-SHA support to SMTP authentication

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Introduced additional SMTP authentication mechanisms: SCRAM-SHA-1, SCRAM-SHA-1-PLUS, SCRAM-SHA-256, and SCRAM-SHA-256-PLUS. Added corresponding error messages for unsupported authentication types. This enhances security options for SMTP connections.
This commit is contained in:
Winni Neessen 2024-10-01 11:03:44 +02:00
parent 65a91a2711
commit 9069c9cdff
Signed by: wneessen
GPG key ID: 385AC9889632126E
1 changed files with 17 additions and 0 deletions
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17
auth.go
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@ -28,6 +28,11 @@ const (
// SMTPAuthXOAUTH2 is the "XOAUTH2" SASL authentication mechanism. // SMTPAuthXOAUTH2 is the "XOAUTH2" SASL authentication mechanism.
// https://developers.google.com/gmail/imap/xoauth2-protocol // https://developers.google.com/gmail/imap/xoauth2-protocol
SMTPAuthXOAUTH2 SMTPAuthType = "XOAUTH2" SMTPAuthXOAUTH2 SMTPAuthType = "XOAUTH2"
SMTPAuthSCRAMSHA1 SMTPAuthType = "SCRAM-SHA-1"
SMTPAuthSCRAMSHA1PLUS SMTPAuthType = "SCRAM-SHA-1-PLUS"
SMTPAuthSCRAMSHA256 SMTPAuthType = "SCRAM-SHA-256"
SMTPAuthSCRAMSHA256PLUS SMTPAuthType = "SCRAM-SHA-256-PLUS"
) )
// SMTP Auth related static errors // SMTP Auth related static errors
@ -43,4 +48,16 @@ var (
// ErrXOauth2AuthNotSupported should be used if the target server does not support the "XOAUTH2" schema // 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") ErrXOauth2AuthNotSupported = errors.New("server does not support SMTP AUTH type: XOAUTH2")
// ErrSCRAMSHA1AuthNotSupported should be used if the target server does not support the "XOAUTH2" schema
ErrSCRAMSHA1AuthNotSupported = errors.New("server does not support SMTP AUTH type: SCRAM-SHA-1")
// ErrSCRAMSHA1PLUSAuthNotSupported should be used if the target server does not support the "XOAUTH2" schema
ErrSCRAMSHA1PLUSAuthNotSupported = errors.New("server does not support SMTP AUTH type: SCRAM-SHA-1-PLUS")
// ErrSCRAMSHA256AuthNotSupported should be used if the target server does not support the "XOAUTH2" schema
ErrSCRAMSHA256AuthNotSupported = errors.New("server does not support SMTP AUTH type: SCRAM-SHA-256")
// ErrSCRAMSHA256PLUSAuthNotSupported should be used if the target server does not support the "XOAUTH2" schema
ErrSCRAMSHA256PLUSAuthNotSupported = errors.New("server does not support SMTP AUTH type: SCRAM-SHA-256-PLUS")
) )