bouncer/internal/integration/integration.go

package integration

import (
	"context"

	"forge.cadoles.com/cadoles/bouncer/internal/jwk"
	"github.com/pkg/errors"
)

type Integration interface {
	Integration()
}

type OnStartup interface {
	Integration
	OnStartup(ctx context.Context) error
}

type OnKeyLoad interface {
	Integration
	OnKeyLoad(ctx context.Context) (jwk.Key, error)
}

func RunOnStartup(ctx context.Context, integrations []Integration) error {
	for _, it := range integrations {
		onStartup, ok := it.(OnStartup)
		if !ok {
			continue
		}

		if err := onStartup.OnStartup(ctx); err != nil {
			return errors.WithStack(err)
		}
	}

	return nil
}

func RunOnKeyLoad(ctx context.Context, integrations []Integration) (jwk.Key, error) {
	for _, it := range integrations {
		onKeyLoad, ok := it.(OnKeyLoad)
		if !ok {
			continue
		}

		key, err := onKeyLoad.OnKeyLoad(ctx)
		if err != nil {
			return nil, errors.WithStack(err)
		}

		if key != nil {
			return key, nil
		}
	}

	return nil, nil
}