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plugins.go
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/
plugins.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
// Package grpc provides persistence layer for user-defined metadata
package grpc
import (
"context"
"github.com/go-sql-driver/mysql"
"google.golang.org/grpc"
"github.com/pydio/cells/v4/common"
"github.com/pydio/cells/v4/common/broker"
"github.com/pydio/cells/v4/common/log"
meta2 "github.com/pydio/cells/v4/common/nodes/meta"
"github.com/pydio/cells/v4/common/proto/idm"
service2 "github.com/pydio/cells/v4/common/proto/service"
"github.com/pydio/cells/v4/common/proto/tree"
"github.com/pydio/cells/v4/common/runtime"
"github.com/pydio/cells/v4/common/service"
servicecontext "github.com/pydio/cells/v4/common/service/context"
"github.com/pydio/cells/v4/idm/meta"
)
var (
Name = common.ServiceGrpcNamespace_ + common.ServiceUserMeta
)
func init() {
runtime.Register("main", func(ctx context.Context) {
service.NewService(
service.Name(Name),
service.Context(ctx),
service.Tag(common.ServiceTagIdm),
service.Metadata(meta2.ServiceMetaProvider, "stream"),
service.Metadata(meta2.ServiceMetaNsProvider, "list"),
service.Metadata(meta2.ServiceMetaProviderRequired, "true"),
service.Description("User-defined Metadata"),
service.WithStorage(meta.NewDAO, service.WithStoragePrefix("idm_usr_meta")),
service.Unique(true),
service.Migrations([]*service.Migration{
{
TargetVersion: service.FirstRun(),
Up: defaultMetas,
},
}),
service.WithGRPC(func(ctx context.Context, server grpc.ServiceRegistrar) error {
handler := NewHandler(ctx, servicecontext.GetDAO(ctx).(meta.DAO))
idm.RegisterUserMetaServiceEnhancedServer(server, handler)
tree.RegisterNodeProviderStreamerEnhancedServer(server, handler)
service2.RegisterLoginModifierEnhancedServer(server, handler)
// Clean role on user deletion
cleaner := NewCleaner(servicecontext.GetDAO(ctx))
if e := broker.SubscribeCancellable(ctx, common.TopicIdmEvent, func(message broker.Message) error {
ev := &idm.ChangeEvent{}
if ct, e := message.Unmarshal(ev); e == nil {
return cleaner.Handle(ct, ev)
}
return nil
}, broker.WithCounterName("idm_meta")); e != nil {
return e
}
return nil
}),
)
})
}
func defaultMetas(ctx context.Context) error {
log.Logger(ctx).Info("Inserting default namespace for metadata")
dao := servicecontext.GetDAO(ctx).(meta.DAO)
err := dao.GetNamespaceDao().Add(&idm.UserMetaNamespace{
Namespace: "usermeta-tags",
Label: "Tags",
Indexable: true,
JsonDefinition: "{\"type\":\"tags\"}",
Policies: []*service2.ResourcePolicy{
{Action: service2.ResourcePolicyAction_READ, Subject: "*", Effect: service2.ResourcePolicy_allow},
{Action: service2.ResourcePolicyAction_WRITE, Subject: "*", Effect: service2.ResourcePolicy_allow},
},
})
me, ok := err.(*mysql.MySQLError)
if !ok {
return err
}
if me.Number == 1062 {
// This is a duplicate error, we ignore it
return nil
}
return err
}