Merge pull request #79 from KirillovDenis/feature/65-allow_no_sign_requests

[#65] Allow no sign requests

api/auth/center.go

@@ -44,6 +44,8 @@ type (
 	prs int
 )
 
+var ErrNoAuthorizationHeader = errors.New("no authorization header")
+
 func (p prs) Read(_ []byte) (n int, err error) {
 	panic("implement me")
 }
@@ -70,7 +72,7 @@ func (c *center) Authenticate(r *http.Request) (*token.BearerToken, error) {
 
 	authHeaderField := r.Header["Authorization"]
 	if len(authHeaderField) != 1 {
-		return nil, errors.New("unsupported request: wrong length of Authorization header field")
+		return nil, ErrNoAuthorizationHeader
 	}
 
 	sms1 := c.reg.getSubmatches(authHeaderField[0])

api/layer/layer.go

@@ -130,18 +130,22 @@ func (n *layer) GetBucketInfo(ctx context.Context, name string) (*BucketInfo, er
 		return nil, err
 	}
 
-	list, err := n.containerList(ctx)
-	if err != nil {
-		return nil, err
-	}
-
-	for _, bkt := range list {
-		if bkt.Name == name {
-			return bkt, nil
+	containerID := new(cid.ID)
+	if err := containerID.Parse(name); err != nil {
+		list, err := n.containerList(ctx)
+		if err != nil {
+			return nil, err
 		}
+		for _, bkt := range list {
+			if bkt.Name == name {
+				return bkt, nil
+			}
+		}
+
+		return nil, status.Error(codes.NotFound, "bucket not found")
 	}
 
-	return nil, status.Error(codes.NotFound, "bucket not found")
+	return n.containerInfo(ctx, containerID)
 }
 
 // ListBuckets returns all user containers. Name of the bucket is a container

api/user-auth.go

@@ -19,15 +19,22 @@ var BearerTokenKey = KeyWrapper("__context_bearer_token_key")
 func AttachUserAuth(router *mux.Router, center auth.Center, log *zap.Logger) {
 	router.Use(func(h http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			var ctx context.Context
 			token, err := center.Authenticate(r)
 			if err != nil {
-				log.Error("failed to pass authentication", zap.Error(err))
-				WriteErrorResponse(r.Context(), w, GetAPIError(ErrAccessDenied), r.URL)
-				return
+				if err == auth.ErrNoAuthorizationHeader {
+					log.Debug("couldn't receive bearer token, using neofs-key")
+					ctx = r.Context()
+				} else {
+					log.Error("failed to pass authentication", zap.Error(err))
+					WriteErrorResponse(r.Context(), w, GetAPIError(ErrAccessDenied), r.URL)
+					return
+				}
+			} else {
+				ctx = context.WithValue(r.Context(), BearerTokenKey, token)
 			}
 
-			h.ServeHTTP(w, r.WithContext(
-				context.WithValue(r.Context(), BearerTokenKey, token)))
+			h.ServeHTTP(w, r.WithContext(ctx))
 		})
 	})
 }