Add throwing error for GetBearerToken method

auth/bearer-token.go

@@ -4,18 +4,23 @@ import (
 	"context"
 
 	"github.com/nspcc-dev/neofs-api-go/service"
+	"github.com/pkg/errors"
 )
 
 type contextKey string
 
 const bearerTokenContextKey contextKey = "bearer-token"
 
-// GetBearerToken returns a bearer token embedded into a context.
+// GetBearerToken returns a bearer token embedded into a context or error, if any.
-func GetBearerToken(ctx context.Context) *service.BearerTokenMsg {
+func GetBearerToken(ctx context.Context) (*service.BearerTokenMsg, error) {
 	if bt := ctx.Value(bearerTokenContextKey); bt != nil {
-		return bt.(*service.BearerTokenMsg)
+		v, ok := bt.(*service.BearerTokenMsg)
+		if !ok {
+			return nil, errors.Errorf("extracted unexpected type other than bearer token's: %T", v)
+		}
+		return v, nil
 	}
-	return nil
+	return nil, errors.New("got nil bearer token")
 }
 
 // SetBearerToken return a context with embedded bearer token.

neofs/layer/neofs-container.go

@@ -10,6 +10,7 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/container"
 	"github.com/nspcc-dev/neofs-api-go/refs"
 	"github.com/nspcc-dev/neofs-api-go/service"
+	"github.com/pkg/errors"
 )
 
 func (n *neofsObject) containerList(ctx context.Context) ([]refs.CID, error) {
@@ -17,9 +18,12 @@ func (n *neofsObject) containerList(ctx context.Context) ([]refs.CID, error) {
 	req.OwnerID = n.owner
 	req.SetVersion(APIVersion)
 	req.SetTTL(service.SingleForwardingTTL)
-	req.SetBearer(auth.GetBearerToken(ctx))
+	bearerToken, err := auth.GetBearerToken(ctx)
-
+	if err != nil {
-	err := service.SignRequestData(n.key, req)
+		return nil, errors.Wrap(err, "failed to get bearer token")
+	}
+	req.SetBearer(bearerToken)
+	err = service.SignRequestData(n.key, req)
 	if err != nil {
 		n.log.Error("could not prepare request",
 			zap.Error(err))

neofs/layer/neofs-object.go

@@ -3,16 +3,16 @@ package layer
 import (
 	"bytes"
 	"context"
-	"errors"
 	"io"
 	"time"
 
-	auth "github.com/minio/minio/auth"
+	"github.com/minio/minio/auth"
 	"github.com/nspcc-dev/neofs-api-go/object"
 	"github.com/nspcc-dev/neofs-api-go/query"
 	"github.com/nspcc-dev/neofs-api-go/refs"
 	"github.com/nspcc-dev/neofs-api-go/service"
 	"github.com/nspcc-dev/neofs-api-go/storagegroup"
+	"github.com/pkg/errors"
 	"go.uber.org/zap"
 )
 
@@ -72,7 +72,11 @@ func (n *neofsObject) objectSearchContainer(ctx context.Context, cid refs.CID) (
 	req.ContainerID = cid
 	req.SetVersion(APIVersion)
 	req.SetTTL(service.SingleForwardingTTL)
-	req.SetBearer(auth.GetBearerToken(ctx))
+	bearerToken, err := auth.GetBearerToken(ctx)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to get bearer token")
+	}
+	req.SetBearer(bearerToken)
 	req.SetToken(token)
 
 	err = service.SignRequestData(n.key, req)
@@ -157,7 +161,12 @@ func (n *neofsObject) objectFindID(ctx context.Context, cid refs.CID, name strin
 	req.ContainerID = cid
 	req.SetVersion(APIVersion)
 	req.SetTTL(service.SingleForwardingTTL)
-	req.SetBearer(auth.GetBearerToken(ctx))
+	bearerToken, err := auth.GetBearerToken(ctx)
+	if err != nil {
+		var empty refs.ObjectID
+		return empty, errors.Wrap(err, "failed to get bearer token")
+	}
+	req.SetBearer(bearerToken)
 	req.SetToken(token)
 
 	err = service.SignRequestData(n.key, req)
@@ -234,7 +243,11 @@ func (n *neofsObject) objectHead(ctx context.Context, addr refs.Address) (*objec
 	req.FullHeaders = true
 	req.SetVersion(APIVersion)
 	req.SetTTL(service.SingleForwardingTTL)
-	req.SetBearer(auth.GetBearerToken(ctx))
+	bearerToken, err := auth.GetBearerToken(ctx)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to get bearer token")
+	}
+	req.SetBearer(bearerToken)
 	req.SetToken(token)
 
 	err = service.SignRequestData(n.key, req)
@@ -277,7 +290,11 @@ func (n *neofsObject) objectGet(ctx context.Context, p getParams) (*object.Objec
 	req.Address = p.addr
 	req.SetVersion(APIVersion)
 	req.SetTTL(service.SingleForwardingTTL)
-	req.SetBearer(auth.GetBearerToken(ctx))
+	bearerToken, err := auth.GetBearerToken(ctx)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to get bearer token")
+	}
+	req.SetBearer(bearerToken)
 	req.SetToken(token)
 
 	err = service.SignRequestData(n.key, req)
@@ -398,7 +415,11 @@ func (n *neofsObject) objectPut(ctx context.Context, p putParams) (*object.Objec
 	req := object.MakePutRequestHeader(obj)
 	req.SetVersion(APIVersion)
 	req.SetTTL(service.SingleForwardingTTL)
-	req.SetBearer(auth.GetBearerToken(ctx))
+	bearerToken, err := auth.GetBearerToken(ctx)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to get bearer token")
+	}
+	req.SetBearer(bearerToken)
 	req.SetToken(token)
 
 	err = service.SignRequestData(n.key, req)
@@ -427,7 +448,11 @@ func (n *neofsObject) objectPut(ctx context.Context, p putParams) (*object.Objec
 			req := object.MakePutRequestChunk(readBuffer[:read])
 			req.SetVersion(APIVersion)
 			req.SetTTL(service.SingleForwardingTTL)
-			req.SetBearer(auth.GetBearerToken(ctx))
+			bearerToken, err := auth.GetBearerToken(ctx)
+			if err != nil {
+				return nil, errors.Wrap(err, "failed to get bearer token")
+			}
+			req.SetBearer(bearerToken)
 
 			err = service.SignRequestData(n.key, req)
 			if err != nil {
@@ -502,7 +527,11 @@ func (n *neofsObject) storageGroupPut(ctx context.Context, p sgParams) (*object.
 	req := object.MakePutRequestHeader(sg)
 	req.SetVersion(APIVersion)
 	req.SetTTL(service.SingleForwardingTTL)
-	req.SetBearer(auth.GetBearerToken(ctx))
+	bearerToken, err := auth.GetBearerToken(ctx)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to get bearer token")
+	}
+	req.SetBearer(bearerToken)
 	req.SetToken(token)
 
 	err = service.SignRequestData(n.key, req)
@@ -539,7 +568,11 @@ func (n *neofsObject) objectDelete(ctx context.Context, p delParams) error {
 	req.OwnerID = n.owner
 	req.SetVersion(APIVersion)
 	req.SetTTL(service.SingleForwardingTTL)
-	req.SetBearer(auth.GetBearerToken(ctx))
+	bearerToken, err := auth.GetBearerToken(ctx)
+	if err != nil {
+		return errors.Wrap(err, "failed to get bearer token")
+	}
+	req.SetBearer(bearerToken)
 	req.SetToken(token)
 
 	err = service.SignRequestData(n.key, req)