Mainflux.mainflux/http/adapter.go

55 lines
1.3 KiB
Go

// Copyright (c) Mainflux
// SPDX-License-Identifier: Apache-2.0
// Package http contains the domain concept definitions needed to support
// Mainflux http adapter service functionality.
package http
import (
"context"
"github.com/mainflux/mainflux/pkg/errors"
"github.com/mainflux/mainflux/pkg/messaging"
"github.com/mainflux/mainflux/things/policies"
)
// Service specifies coap service API.
type Service interface {
// Publish Messssage
Publish(ctx context.Context, token string, msg *messaging.Message) error
}
var _ Service = (*adapterService)(nil)
type adapterService struct {
publisher messaging.Publisher
things policies.ThingsServiceClient
}
// New instantiates the HTTP adapter implementation.
func New(publisher messaging.Publisher, things policies.ThingsServiceClient) Service {
return &adapterService{
publisher: publisher,
things: things,
}
}
func (as *adapterService) Publish(ctx context.Context, token string, msg *messaging.Message) error {
ar := &policies.AuthorizeReq{
Sub: token,
Obj: msg.Channel,
Act: policies.WriteAction,
EntityType: policies.ThingEntityType,
}
res, err := as.things.Authorize(ctx, ar)
if err != nil {
return err
}
if !res.GetAuthorized() {
return errors.ErrAuthorization
}
msg.Publisher = res.GetThingID()
return as.publisher.Publish(ctx, msg.Channel, msg)
}