dns

type DNSRecord interface {
	// RecordPrefix returns the DNS owner label prefix relative to the base domain,
	// e.g. "_dmarc." or "" for the apex.
	RecordPrefix() string
	// RecordType returns the DNS record type string, e.g. "TXT" or "MX".
	RecordType() string
	// RecordValue returns the wire-ready record value for insertion into a
	// CoreDNS template answer line.
	RecordValue() string
}

type DOHClient struct {
	Client *http.Client
	URL    *url.URL
}

type TLSARecord struct {
	// CertPathTemplate is a Go template string (expanded against the data
	// passed to Render) for the path to the PEM-encoded certificate file
	// this record's value is derived from.
	CertPathTemplate string `mapstructure:"cert-path-template"`

	// Name is the DNS owner label this record targets, e.g. "mx" for a TLSA
	// record on a mail exchanger.
	Name string `mapstructure:"name"`

	// Port and Proto identify the service this TLSA record applies to,
	// e.g. Port 25, Proto "tcp" for SMTP.
	Port  uint8  `mapstructure:"port"`
	Proto string `mapstructure:"proto"`

	// Selector, MatchingType, and Usage are the TLSA record's own fields,
	// as defined in RFC 6698.
	Selector     uint8 `mapstructure:"selector"`
	MatchingType uint8 `mapstructure:"matching-type"`
	Usage        uint8 `mapstructure:"usage"`

	AutoRefresh              bool  `mapstructure:"auto-refresh"`
	AutoRefreshPeriodSeconds int64 `mapstructure:"auto-refresh-period-seconds"`
	// contains filtered or unexported fields
}

type TXTRecord struct {
	// Name is the DNS owner label relative to the base domain. "" = apex.
	Name string `mapstructure:"name" json:"name,omitempty"`
	// Value is a Go template string for the TXT record content (e.g. "v=spf1 {{.OutboundIPList}} -all").
	Value string `mapstructure:"value" json:"value"`
	// TTL is the DNS TTL in seconds advertised to resolvers. Zero uses DefaultTTL.
	TTL uint32 `mapstructure:"ttl" json:"ttl,omitempty"`
}

type TemplatedFileTXTRecord struct {
	// PathTemplate is a Go template string (expanded against the data passed
	// to Render) for the path to the file this record's value is read from.
	PathTemplate string `mapstructure:"path-template"`

	// Name is the DNS owner label this record targets, e.g.
	// "default._domainkey" for a DKIM selector record. "" targets the apex.
	Name string `mapstructure:"name"`

	AutoRefresh              bool  `mapstructure:"auto-refresh"`
	AutoRefreshPeriodSeconds int64 `mapstructure:"auto-refresh-period-seconds"`
	// contains filtered or unexported fields
}

type TemplatedRecord interface {
	Render(data any) error
	Empty() bool
}