Fix issues reported by static analysis

device-provisioning-service/service/cloudConfiguration.go

@@ -12,6 +12,7 @@ import (
 	"github.com/plgd-dev/go-coap/v3/mux"
 	"github.com/plgd-dev/hub/v2/device-provisioning-service/pb"
 	"github.com/plgd-dev/hub/v2/device-provisioning-service/store"
+	"github.com/plgd-dev/hub/v2/internal/math"
 	"github.com/plgd-dev/kit/v2/codec/cbor"
 )
 
@@ -40,7 +41,7 @@ func (RequestHandle) ProcessCloudConfiguration(ctx context.Context, req *mux.Mes
 				},
 				Gateways:        coapGateways,
 				ProviderName:    cloudCfg.AuthorizationProvider,
-				SelectedGateway: int32(selectedGateway), //nolint:gosec
+				SelectedGateway: math.CastTo[int32](selectedGateway),
 			},
 		})
 		return msg, err

device-provisioning-service/service/config.go

@@ -9,6 +9,7 @@ import (
 	"github.com/plgd-dev/hub/v2/device-provisioning-service/security/oauth/clientcredentials"
 	"github.com/plgd-dev/hub/v2/device-provisioning-service/service/http"
 	"github.com/plgd-dev/hub/v2/device-provisioning-service/store/mongodb"
+	"github.com/plgd-dev/hub/v2/internal/math"
 	"github.com/plgd-dev/hub/v2/pkg/config"
 	"github.com/plgd-dev/hub/v2/pkg/config/property/urischeme"
 	"github.com/plgd-dev/hub/v2/pkg/log"
@@ -259,9 +260,9 @@ func HTTPConfigToProto(cfg pkgHttpClient.Config) (*pb.HttpConfig, error) {
 	}
 
 	return &pb.HttpConfig{
-		MaxIdleConns:        uint32(cfg.MaxIdleConns),        //nolint:gosec
-		MaxConnsPerHost:     uint32(cfg.MaxConnsPerHost),     //nolint:gosec
-		MaxIdleConnsPerHost: uint32(cfg.MaxIdleConnsPerHost), //nolint:gosec
+		MaxIdleConns:        math.CastTo[uint32](cfg.MaxIdleConns),
+		MaxConnsPerHost:     math.CastTo[uint32](cfg.MaxConnsPerHost),
+		MaxIdleConnsPerHost: math.CastTo[uint32](cfg.MaxIdleConnsPerHost),
 		IdleConnTimeout:     cfg.IdleConnTimeout.Nanoseconds(),
 		Timeout:             cfg.Timeout.Nanoseconds(),
 		Tls:                 tls,

internal/math/cast.go

@@ -0,0 +1,7 @@
+package math
+
+import "golang.org/x/exp/constraints"
+
+func CastTo[T, F constraints.Integer](from F) T {
+	return T(from)
+}

pkg/net/grpc/server/makeDefaultOptions.go

@@ -12,6 +12,7 @@ import (
 	grpc_ctxtags "github.com/grpc-ecosystem/go-grpc-middleware/tags"
 	"github.com/plgd-dev/hub/v2/grpc-gateway/pb"
 	"github.com/plgd-dev/hub/v2/http-gateway/serverMux"
+	pkgMath "github.com/plgd-dev/hub/v2/internal/math"
 	"github.com/plgd-dev/hub/v2/pkg/log"
 	pkgGrpc "github.com/plgd-dev/hub/v2/pkg/net/grpc"
 	pkgJwt "github.com/plgd-dev/hub/v2/pkg/security/jwt"
@@ -157,7 +158,7 @@ func defaultMessageProducer(ctx context.Context, ctxLogger context.Context, msg
 	}
 	tags := grpc_ctxtags.Extract(ctx)
 	newTags := grpc_ctxtags.NewTags()
-	newTags.Set(log.DurationMSKey, math.Float32frombits(uint32(duration.Integer))) //nolint:gosec
+	newTags.Set(log.DurationMSKey, math.Float32frombits(pkgMath.CastTo[uint32](duration.Integer)))
 	newTags.Set(log.ProtocolKey, "GRPC")
 	for k, v := range tags.Values() {
 		if strings.EqualFold(k, grpcPrefixKey+"."+requestKey+"."+log.StartTimeKey) {

resource-aggregate/commands/resouces.go

@@ -78,5 +78,5 @@ func CloneResourcesMap(resources map[string]*Resource) map[string]*Resource {
 }
 
 func ToPolicyBitFlags(bm schema.BitMask) int32 {
-	return int32(bm) //nolint:gosec
+	return int32(bm)
 }

resource-aggregate/commands/resourceconv.go

@@ -4,6 +4,7 @@ import (
 	"time"
 
 	"github.com/plgd-dev/device/v2/schema"
+	"github.com/plgd-dev/hub/v2/internal/math"
 	pkgTime "github.com/plgd-dev/hub/v2/pkg/time"
 )
 
@@ -32,7 +33,7 @@ func (p *Policy) ToSchema() *schema.Policy {
 		return nil
 	}
 	return &schema.Policy{
-		BitMask: schema.BitMask(p.GetBitFlags()),
+		BitMask: math.CastTo[schema.BitMask](p.GetBitFlags()),
 	}
 }
 

tools/mongodb/standby-tool/main.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"time"
 
+	"github.com/plgd-dev/hub/v2/internal/math"
 	"github.com/plgd-dev/hub/v2/pkg/build"
 	"github.com/plgd-dev/hub/v2/pkg/config"
 	"github.com/plgd-dev/hub/v2/pkg/fsnotify"
@@ -502,7 +503,7 @@ func (app *App) updateSecondaryMemberConfig(member string, config primitive.M) (
 		if memberMap["host"] == member {
 			memberMap["hidden"] = false
 			memberMap["priority"] = float64(app.Config.ReplicaSet.Secondary.Priority)
-			memberMap["votes"] = int32(app.Config.ReplicaSet.Secondary.Votes) //nolint:gosec
+			memberMap["votes"] = math.CastTo[int32](app.Config.ReplicaSet.Secondary.Votes)
 			memberMap["secondaryDelaySecs"] = int32(0)
 		}
 		newMembers = append(newMembers, memberMap)