Files
opencloud/graph/pkg/service/v0/graph.go
2022-04-11 10:19:15 +02:00

116 lines
4.8 KiB
Go

package svc
import (
"context"
"net/http"
"github.com/ReneKroon/ttlcache/v2"
gateway "github.com/cs3org/go-cs3apis/cs3/gateway/v1beta1"
provider "github.com/cs3org/go-cs3apis/cs3/storage/provider/v1beta1"
"github.com/cs3org/reva/v2/pkg/events"
"github.com/go-chi/chi/v5"
"github.com/owncloud/ocis/graph/pkg/config"
"github.com/owncloud/ocis/graph/pkg/identity"
"github.com/owncloud/ocis/ocis-pkg/log"
settingssvc "github.com/owncloud/ocis/protogen/gen/ocis/services/settings/v0"
mevents "go-micro.dev/v4/events"
"google.golang.org/grpc"
)
//go:generate make generate
// GatewayClient is the subset of the gateway.GatewayAPIClient that is being used to interact with the gateway
type GatewayClient interface {
//gateway.GatewayAPIClient
// Returns the home path for the given authenticated user.
// When a user has access to multiple storage providers, one of them is the home.
GetHome(ctx context.Context, in *provider.GetHomeRequest, opts ...grpc.CallOption) (*provider.GetHomeResponse, error)
// GetPath does a path lookup for a resource by ID
GetPath(ctx context.Context, in *provider.GetPathRequest, opts ...grpc.CallOption) (*provider.GetPathResponse, error)
// Returns a list of resource information
// for the provided reference.
// MUST return CODE_NOT_FOUND if the reference does not exists.
ListContainer(ctx context.Context, in *provider.ListContainerRequest, opts ...grpc.CallOption) (*provider.ListContainerResponse, error)
// Returns the resource information at the provided reference.
// MUST return CODE_NOT_FOUND if the reference does not exist.
Stat(ctx context.Context, in *provider.StatRequest, opts ...grpc.CallOption) (*provider.StatResponse, error)
// Initiates the download of a file using an
// out-of-band data transfer mechanism.
InitiateFileDownload(ctx context.Context, in *provider.InitiateFileDownloadRequest, opts ...grpc.CallOption) (*gateway.InitiateFileDownloadResponse, error)
// Creates a storage space.
CreateStorageSpace(ctx context.Context, in *provider.CreateStorageSpaceRequest, opts ...grpc.CallOption) (*provider.CreateStorageSpaceResponse, error)
// Lists storage spaces.
ListStorageSpaces(ctx context.Context, in *provider.ListStorageSpacesRequest, opts ...grpc.CallOption) (*provider.ListStorageSpacesResponse, error)
// Updates a storage space.
UpdateStorageSpace(ctx context.Context, in *provider.UpdateStorageSpaceRequest, opts ...grpc.CallOption) (*provider.UpdateStorageSpaceResponse, error)
// Deletes a storage space.
DeleteStorageSpace(ctx context.Context, in *provider.DeleteStorageSpaceRequest, opts ...grpc.CallOption) (*provider.DeleteStorageSpaceResponse, error)
// Returns the quota available under the provided
// reference.
// MUST return CODE_NOT_FOUND if the reference does not exist
// MUST return CODE_RESOURCE_EXHAUSTED on exceeded quota limits.
GetQuota(ctx context.Context, in *gateway.GetQuotaRequest, opts ...grpc.CallOption) (*provider.GetQuotaResponse, error)
}
// Publisher is the interface for events publisher
type Publisher interface {
Publish(string, interface{}, ...mevents.PublishOption) error
}
// HTTPClient is the subset of the http.Client that is being used to interact with the download gateway
type HTTPClient interface {
Do(req *http.Request) (*http.Response, error)
}
// GetGatewayServiceClientFunc is a callback used to pass in a mock during testing
type GetGatewayServiceClientFunc func() (GatewayClient, error)
// Graph defines implements the business logic for Service.
type Graph struct {
config *config.Config
mux *chi.Mux
logger *log.Logger
identityBackend identity.Backend
gatewayClient GatewayClient
httpClient HTTPClient
roleService settingssvc.RoleService
spacePropertiesCache *ttlcache.Cache
eventsPublisher events.Publisher
}
// ServeHTTP implements the Service interface.
func (g Graph) ServeHTTP(w http.ResponseWriter, r *http.Request) {
g.mux.ServeHTTP(w, r)
}
// GetClient returns a gateway client to talk to reva
func (g Graph) GetGatewayClient() GatewayClient {
return g.gatewayClient
}
// GetClient returns a gateway client to talk to reva
func (g Graph) GetHTTPClient() HTTPClient {
return g.httpClient
}
func (g Graph) publishEvent(ev interface{}) {
if err := events.Publish(g.eventsPublisher, ev); err != nil {
g.logger.Error().
Err(err).
Msg("could not publish user created event")
}
}
type listResponse struct {
Value interface{} `json:"value,omitempty"`
}
const (
NoSpaceFoundMessage = "space with id `%s` not found"
ListStorageSpacesTransportErr = "transport error sending list storage spaces grpc request"
ListStorageSpacesReturnsErr = "list storage spaces grpc request returns an errorcode in the response"
ReadmeSpecialFolderName = "readme"
SpaceImageSpecialFolderName = "image"
)