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appregistry.go
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appregistry.go
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// Copyright 2018-2021 CERN
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// In applying this license, CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
package appregistry
import (
"context"
"google.golang.org/grpc"
registrypb "github.com/cs3org/go-cs3apis/cs3/app/registry/v1beta1"
"github.com/cs3org/reva/v2/pkg/app"
"github.com/cs3org/reva/v2/pkg/app/registry/registry"
"github.com/cs3org/reva/v2/pkg/errtypes"
"github.com/cs3org/reva/v2/pkg/rgrpc"
"github.com/cs3org/reva/v2/pkg/rgrpc/status"
"github.com/mitchellh/mapstructure"
)
func init() {
rgrpc.Register("appregistry", New)
}
type svc struct {
reg app.Registry
}
func (s *svc) Close() error {
return nil
}
func (s *svc) UnprotectedEndpoints() []string {
return []string{"/cs3.app.registry.v1beta1.RegistryAPI/AddAppProvider", "/cs3.app.registry.v1beta1.RegistryAPI/ListSupportedMimeTypes"}
}
func (s *svc) Register(ss *grpc.Server) {
registrypb.RegisterRegistryAPIServer(ss, s)
}
type config struct {
Driver string `mapstructure:"driver"`
Drivers map[string]map[string]interface{} `mapstructure:"drivers"`
}
func (c *config) init() {
if c.Driver == "" {
c.Driver = "static"
}
}
// New creates a new StorageRegistryService
func New(m map[string]interface{}, ss *grpc.Server) (rgrpc.Service, error) {
c, err := parseConfig(m)
if err != nil {
return nil, err
}
reg, err := getRegistry(c)
if err != nil {
return nil, err
}
svc := &svc{
reg: reg,
}
return svc, nil
}
func parseConfig(m map[string]interface{}) (*config, error) {
c := &config{}
if err := mapstructure.Decode(m, c); err != nil {
return nil, err
}
c.init()
return c, nil
}
func getRegistry(c *config) (app.Registry, error) {
if f, ok := registry.NewFuncs[c.Driver]; ok {
return f(c.Drivers[c.Driver])
}
return nil, errtypes.NotFound("appregistrysvc: driver not found: " + c.Driver)
}
func (s *svc) GetAppProviders(ctx context.Context, req *registrypb.GetAppProvidersRequest) (*registrypb.GetAppProvidersResponse, error) {
p, err := s.reg.FindProviders(ctx, req.ResourceInfo.MimeType)
if err != nil {
return ®istrypb.GetAppProvidersResponse{
Status: status.NewInternal(ctx, "error looking for the app provider"),
}, nil
}
res := ®istrypb.GetAppProvidersResponse{
Status: status.NewOK(ctx),
Providers: p,
}
return res, nil
}
func (s *svc) AddAppProvider(ctx context.Context, req *registrypb.AddAppProviderRequest) (*registrypb.AddAppProviderResponse, error) {
err := s.reg.AddProvider(ctx, req.Provider)
if err != nil {
return ®istrypb.AddAppProviderResponse{
Status: status.NewInternal(ctx, "error adding the app provider"),
}, nil
}
res := ®istrypb.AddAppProviderResponse{
Status: status.NewOK(ctx),
}
return res, nil
}
func (s *svc) ListAppProviders(ctx context.Context, req *registrypb.ListAppProvidersRequest) (*registrypb.ListAppProvidersResponse, error) {
providers, err := s.reg.ListProviders(ctx)
if err != nil {
return ®istrypb.ListAppProvidersResponse{
Status: status.NewInternal(ctx, "error listing the app providers"),
}, nil
}
res := ®istrypb.ListAppProvidersResponse{
Status: status.NewOK(ctx),
Providers: providers,
}
return res, nil
}
func (s *svc) ListSupportedMimeTypes(ctx context.Context, req *registrypb.ListSupportedMimeTypesRequest) (*registrypb.ListSupportedMimeTypesResponse, error) {
mimeTypes, err := s.reg.ListSupportedMimeTypes(ctx)
if err != nil {
return ®istrypb.ListSupportedMimeTypesResponse{
Status: status.NewInternal(ctx, "error listing the supported mime types"),
}, nil
}
// hide mimetypes for app providers
for _, mime := range mimeTypes {
for _, app := range mime.AppProviders {
app.MimeTypes = nil
}
}
res := ®istrypb.ListSupportedMimeTypesResponse{
Status: status.NewOK(ctx),
MimeTypes: mimeTypes,
}
return res, nil
}
func (s *svc) GetDefaultAppProviderForMimeType(ctx context.Context, req *registrypb.GetDefaultAppProviderForMimeTypeRequest) (*registrypb.GetDefaultAppProviderForMimeTypeResponse, error) {
provider, err := s.reg.GetDefaultProviderForMimeType(ctx, req.MimeType)
if err != nil {
return ®istrypb.GetDefaultAppProviderForMimeTypeResponse{
Status: status.NewInternal(ctx, "error getting the default app provider for the mimetype"),
}, nil
}
res := ®istrypb.GetDefaultAppProviderForMimeTypeResponse{
Status: status.NewOK(ctx),
Provider: provider,
}
return res, nil
}
func (s *svc) SetDefaultAppProviderForMimeType(ctx context.Context, req *registrypb.SetDefaultAppProviderForMimeTypeRequest) (*registrypb.SetDefaultAppProviderForMimeTypeResponse, error) {
err := s.reg.SetDefaultProviderForMimeType(ctx, req.MimeType, req.Provider)
if err != nil {
return ®istrypb.SetDefaultAppProviderForMimeTypeResponse{
Status: status.NewInternal(ctx, "error setting the default app provider for the mimetype"),
}, nil
}
res := ®istrypb.SetDefaultAppProviderForMimeTypeResponse{
Status: status.NewOK(ctx),
}
return res, nil
}