Modify group and user managers to skip fetching specified metadata (c…

…s3org#2205)

(cherry picked from commit 9e040c9)

changelog/unreleased/fetch-groups-members-config.md

@@ -0,0 +1,3 @@
+Enhancement: Modify group and user managers to skip fetching specified metadata
+
+https://github.com/cs3org/reva/pull/2205

examples/plugin/json/json.go

@@ -81,20 +81,28 @@ func (m *Manager) Configure(ml map[string]interface{}) error {
 }
 
 // GetUser returns the user based on the uid.
-func (m *Manager) GetUser(ctx context.Context, uid *userpb.UserId) (*userpb.User, error) {
+func (m *Manager) GetUser(ctx context.Context, uid *userpb.UserId, skipFetchingGroups bool) (*userpb.User, error) {
 	for _, u := range m.users {
 		if (u.Id.GetOpaqueId() == uid.OpaqueId || u.Username == uid.OpaqueId) && (uid.Idp == "" || uid.Idp == u.Id.GetIdp()) {
-			return u, nil
+			user := *u
+			if skipFetchingGroups {
+				user.Groups = nil
+			}
+			return &user, nil
 		}
 	}
 	return nil, nil
 }
 
 // GetUserByClaim returns user based on the claim
-func (m *Manager) GetUserByClaim(ctx context.Context, claim, value string) (*userpb.User, error) {
+func (m *Manager) GetUserByClaim(ctx context.Context, claim, value string, skipFetchingGroups bool) (*userpb.User, error) {
 	for _, u := range m.users {
 		if userClaim, err := extractClaim(u, claim); err == nil && value == userClaim {
-			return u, nil
+			user := *u
+			if skipFetchingGroups {
+				user.Groups = nil
+			}
+			return &user, nil
 		}
 	}
 	return nil, errtypes.NotFound(value)
@@ -126,19 +134,23 @@ func userContains(u *userpb.User, query string) bool {
 }
 
 // FindUsers returns the user based on the query
-func (m *Manager) FindUsers(ctx context.Context, query string) ([]*userpb.User, error) {
+func (m *Manager) FindUsers(ctx context.Context, query string, skipFetchingGroups bool) ([]*userpb.User, error) {
 	users := []*userpb.User{}
 	for _, u := range m.users {
 		if userContains(u, query) {
-			users = append(users, u)
+			user := *u
+			if skipFetchingGroups {
+				user.Groups = nil
+			}
+			users = append(users, &user)
 		}
 	}
 	return users, nil
 }
 
 // GetUserGroups returns the user groups
 func (m *Manager) GetUserGroups(ctx context.Context, uid *userpb.UserId) ([]string, error) {
-	user, err := m.GetUser(ctx, uid)
+	user, err := m.GetUser(ctx, uid, false)
 	if err != nil {
 		return nil, err
 	}

internal/grpc/interceptors/auth/scope.go

@@ -186,7 +186,7 @@ func checkIfNestedResource(ctx context.Context, ref *provider.Reference, parent
 		// We mint a token as the owner of the public share and try to stat the reference
 		// TODO(ishank011): We need to find a better alternative to this
 
-		userResp, err := client.GetUser(ctx, &userpb.GetUserRequest{UserId: statResponse.Info.Owner})
+		userResp, err := client.GetUser(ctx, &userpb.GetUserRequest{UserId: statResponse.Info.Owner, SkipFetchingUserGroups: true})
 		if err != nil || userResp.Status.Code != rpc.Code_CODE_OK {
 			return false, err
 		}

internal/grpc/services/groupprovider/groupprovider.go

@@ -101,7 +101,7 @@ func (s *service) Register(ss *grpc.Server) {
 }
 
 func (s *service) GetGroup(ctx context.Context, req *grouppb.GetGroupRequest) (*grouppb.GetGroupResponse, error) {
-	group, err := s.groupmgr.GetGroup(ctx, req.GroupId)
+	group, err := s.groupmgr.GetGroup(ctx, req.GroupId, req.SkipFetchingMembers)
 	if err != nil {
 		res := &grouppb.GetGroupResponse{}
 		if _, ok := err.(errtypes.NotFound); ok {
@@ -119,7 +119,7 @@ func (s *service) GetGroup(ctx context.Context, req *grouppb.GetGroupRequest) (*
 }
 
 func (s *service) GetGroupByClaim(ctx context.Context, req *grouppb.GetGroupByClaimRequest) (*grouppb.GetGroupByClaimResponse, error) {
-	group, err := s.groupmgr.GetGroupByClaim(ctx, req.Claim, req.Value)
+	group, err := s.groupmgr.GetGroupByClaim(ctx, req.Claim, req.Value, req.SkipFetchingMembers)
 	if err != nil {
 		res := &grouppb.GetGroupByClaimResponse{}
 		if _, ok := err.(errtypes.NotFound); ok {
@@ -137,7 +137,7 @@ func (s *service) GetGroupByClaim(ctx context.Context, req *grouppb.GetGroupByCl
 }
 
 func (s *service) FindGroups(ctx context.Context, req *grouppb.FindGroupsRequest) (*grouppb.FindGroupsResponse, error) {
-	groups, err := s.groupmgr.FindGroups(ctx, req.Filter)
+	groups, err := s.groupmgr.FindGroups(ctx, req.Filter, req.SkipFetchingMembers)
 	if err != nil {
 		return &grouppb.FindGroupsResponse{
 			Status: status.NewInternal(ctx, "error finding groups"),

internal/grpc/services/userprovider/userprovider.go

@@ -125,7 +125,7 @@ func (s *service) Register(ss *grpc.Server) {
 }
 
 func (s *service) GetUser(ctx context.Context, req *userpb.GetUserRequest) (*userpb.GetUserResponse, error) {
-	user, err := s.usermgr.GetUser(ctx, req.UserId)
+	user, err := s.usermgr.GetUser(ctx, req.UserId, req.SkipFetchingUserGroups)
 	if err != nil {
 		res := &userpb.GetUserResponse{}
 		if _, ok := err.(errtypes.NotFound); ok {
@@ -144,7 +144,7 @@ func (s *service) GetUser(ctx context.Context, req *userpb.GetUserRequest) (*use
 }
 
 func (s *service) GetUserByClaim(ctx context.Context, req *userpb.GetUserByClaimRequest) (*userpb.GetUserByClaimResponse, error) {
-	user, err := s.usermgr.GetUserByClaim(ctx, req.Claim, req.Value)
+	user, err := s.usermgr.GetUserByClaim(ctx, req.Claim, req.Value, req.SkipFetchingUserGroups)
 	if err != nil {
 		res := &userpb.GetUserByClaimResponse{}
 		if _, ok := err.(errtypes.NotFound); ok {
@@ -163,7 +163,7 @@ func (s *service) GetUserByClaim(ctx context.Context, req *userpb.GetUserByClaim
 }
 
 func (s *service) FindUsers(ctx context.Context, req *userpb.FindUsersRequest) (*userpb.FindUsersResponse, error) {
-	users, err := s.usermgr.FindUsers(ctx, req.Filter)
+	users, err := s.usermgr.FindUsers(ctx, req.Filter, req.SkipFetchingUserGroups)
 	if err != nil {
 		res := &userpb.FindUsersResponse{
 			Status: status.NewInternal(ctx, "error finding users"),

internal/http/services/ocmd/shares.go

@@ -143,7 +143,7 @@ func (h *sharesHandler) createShare(w http.ResponseWriter, r *http.Request) {
 
 	shareWithParts := strings.Split(shareWith, "@")
 	userRes, err := gatewayClient.GetUser(ctx, &userpb.GetUserRequest{
-		UserId: &userpb.UserId{OpaqueId: shareWithParts[0]},
+		UserId: &userpb.UserId{OpaqueId: shareWithParts[0]}, SkipFetchingUserGroups: true,
 	})
 	if err != nil {
 		WriteError(w, r, APIErrorServerError, "error searching recipient", err)

internal/http/services/owncloud/ocs/handlers/apps/sharing/sharees/sharees.go

@@ -59,7 +59,7 @@ func (h *Handler) FindSharees(w http.ResponseWriter, r *http.Request) {
 		response.WriteOCSError(w, r, response.MetaServerError.StatusCode, "error getting gateway grpc client", err)
 		return
 	}
-	usersRes, err := gwc.FindUsers(r.Context(), &userpb.FindUsersRequest{Filter: term})
+	usersRes, err := gwc.FindUsers(r.Context(), &userpb.FindUsersRequest{Filter: term, SkipFetchingUserGroups: true})
 	if err != nil {
 		response.WriteOCSError(w, r, response.MetaServerError.StatusCode, "error searching users", err)
 		return
@@ -73,7 +73,7 @@ func (h *Handler) FindSharees(w http.ResponseWriter, r *http.Request) {
 		userMatches = append(userMatches, match)
 	}
 
-	groupsRes, err := gwc.FindGroups(r.Context(), &grouppb.FindGroupsRequest{Filter: term})
+	groupsRes, err := gwc.FindGroups(r.Context(), &grouppb.FindGroupsRequest{Filter: term, SkipFetchingMembers: true})
 	if err != nil {
 		response.WriteOCSError(w, r, response.MetaServerError.StatusCode, "error searching groups", err)
 		return

internal/http/services/owncloud/ocs/handlers/apps/sharing/shares/group.go

@@ -51,8 +51,9 @@ func (h *Handler) createGroupShare(w http.ResponseWriter, r *http.Request, statI
 	}
 
 	groupRes, err := c.GetGroupByClaim(ctx, &grouppb.GetGroupByClaimRequest{
-		Claim: "group_name",
-		Value: shareWith,
+		Claim:               "group_name",
+		Value:               shareWith,
+		SkipFetchingMembers: true,
 	})
 	if err != nil {
 		return nil, &ocsError{

internal/http/services/owncloud/ocs/handlers/apps/sharing/shares/shares.go

@@ -1134,6 +1134,7 @@ func (h *Handler) mustGetIdentifiers(ctx context.Context, client GatewayClient,
 			GroupId: &grouppb.GroupId{
 				OpaqueId: id,
 			},
+			SkipFetchingMembers: true,
 		})
 		if err != nil {
 			sublog.Err(err).Msg("could not look up group")
@@ -1163,6 +1164,7 @@ func (h *Handler) mustGetIdentifiers(ctx context.Context, client GatewayClient,
 			UserId: &userpb.UserId{
 				OpaqueId: id,
 			},
+			SkipFetchingUserGroups: true,
 		})
 		if err != nil {
 			sublog.Err(err).Msg("could not look up user")

internal/http/services/owncloud/ocs/handlers/apps/sharing/shares/user.go

@@ -53,8 +53,9 @@ func (h *Handler) createUserShare(w http.ResponseWriter, r *http.Request, statIn
 	}
 
 	userRes, err := c.GetUserByClaim(ctx, &userpb.GetUserByClaimRequest{
-		Claim: "username",
-		Value: shareWith,
+		Claim:                  "username",
+		Value:                  shareWith,
+		SkipFetchingUserGroups: true,
 	})
 	if err != nil {
 		return nil, &ocsError{

pkg/cbox/group/rest/rest.go

@@ -192,7 +192,7 @@ func (m *manager) parseAndCacheGroup(ctx context.Context, groupData map[string]i
 
 }
 
-func (m *manager) GetGroup(ctx context.Context, gid *grouppb.GroupId) (*grouppb.Group, error) {
+func (m *manager) GetGroup(ctx context.Context, gid *grouppb.GroupId, skipFetchingMembers bool) (*grouppb.Group, error) {
 	g, err := m.fetchCachedGroupDetails(gid)
 	if err != nil {
 		groupData, err := m.getGroupByParam(ctx, "groupIdentifier", gid.OpaqueId)
@@ -202,20 +202,22 @@ func (m *manager) GetGroup(ctx context.Context, gid *grouppb.GroupId) (*grouppb.
 		g = m.parseAndCacheGroup(ctx, groupData)
 	}
 
-	groupMembers, err := m.GetMembers(ctx, gid)
-	if err != nil {
-		return nil, err
+	if !skipFetchingMembers {
+		groupMembers, err := m.GetMembers(ctx, gid)
+		if err != nil {
+			return nil, err
+		}
+		g.Members = groupMembers
 	}
-	g.Members = groupMembers
 
 	return g, nil
 }
 
-func (m *manager) GetGroupByClaim(ctx context.Context, claim, value string) (*grouppb.Group, error) {
+func (m *manager) GetGroupByClaim(ctx context.Context, claim, value string, skipFetchingMembers bool) (*grouppb.Group, error) {
 	value = url.QueryEscape(value)
 	opaqueID, err := m.fetchCachedParam(claim, value)
 	if err == nil {
-		return m.GetGroup(ctx, &grouppb.GroupId{OpaqueId: opaqueID})
+		return m.GetGroup(ctx, &grouppb.GroupId{OpaqueId: opaqueID}, skipFetchingMembers)
 	}
 
 	switch claim {
@@ -236,17 +238,19 @@ func (m *manager) GetGroupByClaim(ctx context.Context, claim, value string) (*gr
 	}
 	g := m.parseAndCacheGroup(ctx, groupData)
 
-	groupMembers, err := m.GetMembers(ctx, g.Id)
-	if err != nil {
-		return nil, err
+	if !skipFetchingMembers {
+		groupMembers, err := m.GetMembers(ctx, g.Id)
+		if err != nil {
+			return nil, err
+		}
+		g.Members = groupMembers
 	}
-	g.Members = groupMembers
 
 	return g, nil
 
 }
 
-func (m *manager) findGroupsByFilter(ctx context.Context, url string, groups map[string]*grouppb.Group) error {
+func (m *manager) findGroupsByFilter(ctx context.Context, url string, groups map[string]*grouppb.Group, skipFetchingMembers bool) error {
 
 	groupData, err := m.apiTokenManager.SendAPIGetRequest(ctx, url, false)
 	if err != nil {
@@ -265,23 +269,33 @@ func (m *manager) findGroupsByFilter(ctx context.Context, url string, groups map
 			OpaqueId: id,
 			Idp:      m.conf.IDProvider,
 		}
+
+		var groupMembers []*userpb.UserId
+		if !skipFetchingMembers {
+			groupMembers, err = m.GetMembers(ctx, groupID)
+			if err != nil {
+				return err
+			}
+		}
 		gid, ok := grpInfo["gid"].(int64)
 		if !ok {
 			gid = 0
 		}
+
 		groups[groupID.OpaqueId] = &grouppb.Group{
 			Id:          groupID,
 			GroupName:   id,
 			Mail:        id + "@cern.ch",
 			DisplayName: name,
 			GidNumber:   gid,
+			Members:     groupMembers,
 		}
 	}
 
 	return nil
 }
 
-func (m *manager) FindGroups(ctx context.Context, query string) ([]*grouppb.Group, error) {
+func (m *manager) FindGroups(ctx context.Context, query string, skipFetchingMembers bool) ([]*grouppb.Group, error) {
 
 	// Look at namespaces filters. If the query starts with:
 	// "a" or none => get egroups
@@ -308,7 +322,7 @@ func (m *manager) FindGroups(ctx context.Context, query string) ([]*grouppb.Grou
 	for _, f := range filters {
 		url := fmt.Sprintf("%s/Group/?filter=%s:contains:%s&field=groupIdentifier&field=displayName&field=gid",
 			m.conf.APIBaseURL, f, url.QueryEscape(query))
-		err := m.findGroupsByFilter(ctx, url, groups)
+		err := m.findGroupsByFilter(ctx, url, groups, skipFetchingMembers)
 		if err != nil {
 			return nil, err
 		}