// Copyright 2024 Stefan Prodan.
// SPDX-License-Identifier: AGPL-3.0
package entitlement
import (
"context"
"fmt"
"github.com/opencontainers/go-digest"
)
// DefaultClient is an offline entitlement client.
// This client uses a SHA256 digest to generate and verify tokens.
type DefaultClient struct {
Vendor string
}
// RegisterUsage registers the usage with the default entitlement client.
func (c *DefaultClient) RegisterUsage(ctx context.Context, id string) (string, error) {
d := digest.FromString(fmt.Sprintf("%s-%s", c.Vendor, id))
return d.Encoded(), nil
}
// Verify verifies the token matches the SHA256 digest of the vendor id.
func (c *DefaultClient) Verify(token, id string) (bool, error) {
d := digest.FromString(fmt.Sprintf("%s-%s", c.Vendor, id))
return token == d.Encoded(), nil
}
// GetVendor returns the vendor name.
func (c *DefaultClient) GetVendor() string {
return c.Vendor
}
