auth provider

pkg/authCheck/handler.go

@@ -0,0 +1,40 @@
+package authCheck
+
+import (
+	log "github.com/sirupsen/logrus"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+	verifyV1 "merch-api/pkg/verify/v1"
+	"time"
+)
+
+const pkgLogHeader string = "Remote session checker |"
+
+type Handler struct {
+	client verifyV1.AuthServiceClient
+	*service
+}
+
+type Deps struct {
+	Addr    string
+	Timeout time.Duration
+}
+
+func New(deps Deps) *Handler {
+	var opts []grpc.DialOption
+	insec := grpc.WithTransportCredentials(insecure.NewCredentials())
+	opts = append(opts, insec)
+
+	conn, err := grpc.NewClient(deps.Addr, opts...)
+	if err != nil {
+		log.WithError(err).Fatalf("%v grpc connection failed", pkgLogHeader)
+	}
+
+	client := verifyV1.NewAuthServiceClient(conn)
+	log.WithField("address", deps.Addr).Debugf("%v client", pkgLogHeader)
+
+	return &Handler{
+		client:  client,
+		service: newService(client, deps.Timeout),
+	}
+}

pkg/authCheck/interface.go

@@ -0,0 +1,7 @@
+package authCheck
+
+import "context"
+
+type AuthChecker interface {
+	VerifySession(ctx context.Context, sessionUuid string, serviceId int32) (string, error)
+}

pkg/authCheck/service.go

@@ -0,0 +1,43 @@
+package authCheck
+
+import (
+	"context"
+	"errors"
+	verifyV1 "merch-api/pkg/verify/v1"
+	"time"
+)
+
+type service struct {
+	client  verifyV1.AuthServiceClient
+	timeout time.Duration
+}
+
+func newService(c verifyV1.AuthServiceClient, timeout time.Duration) *service {
+	return &service{
+		client:  c,
+		timeout: timeout,
+	}
+}
+
+func (s *service) VerifySession(ctx context.Context, sessionUuid string, serviceId int32) (string, error) {
+	runCtx, cancel := context.WithTimeout(ctx, s.timeout)
+	defer cancel()
+
+	response, err := s.client.VerifyToken(runCtx, &verifyV1.VerifyTokenRequest{
+		SessionToken: sessionUuid,
+		ServiceId:    serviceId,
+	})
+	if err != nil {
+		return "", err
+	}
+
+	if response == nil {
+		return "", errors.New("no token")
+	}
+
+	if response.IsValid != true {
+		return "", errors.New("invalid token")
+	}
+
+	return response.UserUuid, nil
+}