email

type LogSender struct {
	Sender
}

type MemSender struct {
	Email, Token, Challenge string
}

type NullSender struct{}

type SESConfig struct {
	// The email address that is sending the email. This email address must be either
	// individually verified with Amazon SES, or from a domain that has been verified
	// with Amazon SES. For information about verifying identities, see the Amazon
	// SES Developer Guide (https://docs.aws.amazon.com/ses/latest/DeveloperGuide/verify-addresses-and-domains.html).
	Source string `yaml:"source"`
	// This parameter is used only for sending authorization. It is the ARN of the
	// identity that is associated with the sending authorization policy that permits
	// you to send for the email address specified in the Source parameter.
	SourceArn string `yaml:"sourceArn"`
	// The name of the configuration set to use when you send an email using SendTemplatedEmail.
	// If you do not want to use a configuration set, set to empty string.
	ConfigurationSetName string `yaml:"configurationSetName"`
	// The reply-to email address(es) for the message. If the recipient replies
	// to the message, each reply-to address will receive the reply.
	ReplyToAddresses []string `yaml:"replyToAddresses"`
	// The email address that bounces and complaints will be forwarded to when feedback
	// forwarding is enabled. If the message cannot be delivered to the recipient,
	// then an error message will be returned from the recipient's ISP; this message
	// will then be forwarded to the email address specified by the ReturnPath parameter.
	// The ReturnPath parameter is never overwritten. This email address must be
	// either individually verified with Amazon SES, or from a domain that has been
	// verified with Amazon SES.
	ReturnPath string `yaml:"returnPath"`
	// This parameter is used only for sending authorization. It is the ARN of the
	// identity that is associated with the sending authorization policy that permits
	// you to use the email address specified in the ReturnPath parameter.
	ReturnPathArn string `yaml:"returnPathArn"`
	// AWS SES email template to use when sending the delete confirmation email.
	// The {{email}}, {{token}} and {{tokenEscaped}} variables in the template are replaced with values set by Vey.
	DeleteTemplate string `yaml:"deleteTemplate"`
	// AWS SES email template to use when sending the put confirmation email.
	// The {{email}}, {{challenge}} and {{challengeEscaped}} variables in the template are replaced with values set by Vey.
	PutTemplate string `yaml:"putTemplate"`
}

type SESSender struct {
	Config SESConfig
	SES    *ses.SES
}

type Sender interface {
	// SendToken sends a token to the email address.
	// token is the base64 encoded form of Vey's BeginDelete func return value.
	// The email recipient should call Vey server's CommitDelete API with the token.
	SendToken(email, token string) error
	// SendChallenge sends a challenge to the email address.
	// challenge is the base64 encoded form of Vey's BeginPut func return value.
	// The email recipient should sign the challenge with it's private key, and call Vey server's CommitPut API with the challenge and signature.
	SendChallenge(email, challenge string) error
}