add get me endpoint

internal/http/services/owncloud/ocgraph/ocgraph.go

@@ -16,7 +16,7 @@
 // granted to it by virtue of its status as an Intergovernmental Organization
 // or submit itself to any jurisdiction.
 
-// This package implements the APIs defined in https://owncloud.dev/apis/http/graph/spaces/
+// This package implements the APIs defined in https://owncloud.dev/apis/http/graph/
 
 package ocgraph
 
@@ -72,7 +72,10 @@ func New(ctx context.Context, m map[string]interface{}) (global.Service, error)
 
 func (s *svc) routerInit() error {
 	s.router.Route("/v1.0", func(r chi.Router) {
-		r.Get("/me/drives", s.listMySpaces)
+		r.Route("/me", func(r chi.Router) {
+			r.Get("", s.getMe)
+			r.Get("/drives", s.listMySpaces)
+		})
 	})
 	return nil
 }

internal/http/services/owncloud/ocgraph/users.go

@@ -0,0 +1,41 @@
+// Copyright 2018-2023 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.
+
+// This package implements the APIs defined in https://owncloud.dev/apis/http/graph/
+
+package ocgraph
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/cs3org/reva/pkg/appctx"
+	libregraph "github.com/owncloud/libre-graph-api-go"
+)
+
+// https://owncloud.dev/apis/http/graph/users/#reading-users
+func (s *svc) getMe(w http.ResponseWriter, r *http.Request) {
+	user := appctx.ContextMustGetUser(r.Context())
+	me := &libregraph.User{
+		DisplayName:              &user.DisplayName,
+		Mail:                     &user.Mail,
+		OnPremisesSamAccountName: &user.Username,
+		Id:                       &user.Id.OpaqueId,
+	}
+	_ = json.NewEncoder(w).Encode(me)
+}