premium

type LicenseDto struct {
	LicenseKey string `json:"license_key" validate:"lemon_squeezy_license_key"`
	ServerHost string `json:"server_host" validate:"host"`
}

type LicenseServerClient interface {
	Register(licenseKey, serverHost string) error
	Validate(licenseKey, serverHost string) (*SignedLicenseToken, error)
}

type LicenseServerClientImpl struct {
	Parent u.ComponentClient
}

type LicenseToken struct {
	LicenseKey           string    `json:"license_key"`
	ServerHost           string    `json:"host"`
	IsSubscriptionActive bool      `json:"is_subscription_active"`
	ExpiresAt            time.Time `json:"expires_at"`
	InvalidReason        string    `json:"invalid_reason"`
}

type LicenseTokenCodec interface {
	EncodeLicenseToken(licenseToken LicenseToken) ([]byte, error)
	DecodeLicenseToken(payloadBytes []byte) (LicenseToken, error)
}

type LicenseTokenCodecImpl struct{}

type SignedLicenseToken struct {
	LicenseToken LicenseToken `json:"license_token"`
	Signature    []byte       `json:"signature"`
}

type SignedLicenseTokenService interface {
	SignLicenseToken(privateKey ed25519.PrivateKey, licenseToken LicenseToken) ([]byte, error)
	VerifySignedLicenseTokenSignature(publicKey ed25519.PublicKey, signedLicenseToken *SignedLicenseToken) (bool, error)
}

type SignedLicenseTokenServiceImpl struct {
	Codec       LicenseTokenCodec
	BytesSigner u.BytesSigner
}