use go module for dependencies (#594)

clientapi/routing/device.go

@@ -0,0 +1,155 @@
+// Copyright 2017 Paul Tötterman <paul.totterman@iki.fi>
+//
+// 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.
+
+package routing
+
+import (
+	"database/sql"
+	"encoding/json"
+	"net/http"
+
+	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
+	"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
+	"github.com/matrix-org/dendrite/clientapi/httputil"
+	"github.com/matrix-org/dendrite/clientapi/jsonerror"
+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
+)
+
+type deviceJSON struct {
+	DeviceID string `json:"device_id"`
+	UserID   string `json:"user_id"`
+}
+
+type devicesJSON struct {
+	Devices []deviceJSON `json:"devices"`
+}
+
+type deviceUpdateJSON struct {
+	DisplayName *string `json:"display_name"`
+}
+
+// GetDeviceByID handles /devices/{deviceID}
+func GetDeviceByID(
+	req *http.Request, deviceDB *devices.Database, device *authtypes.Device,
+	deviceID string,
+) util.JSONResponse {
+	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
+	if err != nil {
+		return httputil.LogThenError(req, err)
+	}
+
+	ctx := req.Context()
+	dev, err := deviceDB.GetDeviceByID(ctx, localpart, deviceID)
+	if err == sql.ErrNoRows {
+		return util.JSONResponse{
+			Code: http.StatusNotFound,
+			JSON: jsonerror.NotFound("Unknown device"),
+		}
+	} else if err != nil {
+		return httputil.LogThenError(req, err)
+	}
+
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: deviceJSON{
+			DeviceID: dev.ID,
+			UserID:   dev.UserID,
+		},
+	}
+}
+
+// GetDevicesByLocalpart handles /devices
+func GetDevicesByLocalpart(
+	req *http.Request, deviceDB *devices.Database, device *authtypes.Device,
+) util.JSONResponse {
+	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
+	if err != nil {
+		return httputil.LogThenError(req, err)
+	}
+
+	ctx := req.Context()
+	deviceList, err := deviceDB.GetDevicesByLocalpart(ctx, localpart)
+
+	if err != nil {
+		return httputil.LogThenError(req, err)
+	}
+
+	res := devicesJSON{}
+
+	for _, dev := range deviceList {
+		res.Devices = append(res.Devices, deviceJSON{
+			DeviceID: dev.ID,
+			UserID:   dev.UserID,
+		})
+	}
+
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: res,
+	}
+}
+
+// UpdateDeviceByID handles PUT on /devices/{deviceID}
+func UpdateDeviceByID(
+	req *http.Request, deviceDB *devices.Database, device *authtypes.Device,
+	deviceID string,
+) util.JSONResponse {
+	if req.Method != http.MethodPut {
+		return util.JSONResponse{
+			Code: http.StatusMethodNotAllowed,
+			JSON: jsonerror.NotFound("Bad Method"),
+		}
+	}
+
+	localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
+	if err != nil {
+		return httputil.LogThenError(req, err)
+	}
+
+	ctx := req.Context()
+	dev, err := deviceDB.GetDeviceByID(ctx, localpart, deviceID)
+	if err == sql.ErrNoRows {
+		return util.JSONResponse{
+			Code: http.StatusNotFound,
+			JSON: jsonerror.NotFound("Unknown device"),
+		}
+	} else if err != nil {
+		return httputil.LogThenError(req, err)
+	}
+
+	if dev.UserID != device.UserID {
+		return util.JSONResponse{
+			Code: http.StatusForbidden,
+			JSON: jsonerror.Forbidden("device not owned by current user"),
+		}
+	}
+
+	defer req.Body.Close() // nolint: errcheck
+
+	payload := deviceUpdateJSON{}
+
+	if err := json.NewDecoder(req.Body).Decode(&payload); err != nil {
+		return httputil.LogThenError(req, err)
+	}
+
+	if err := deviceDB.UpdateDevice(ctx, localpart, deviceID, payload.DisplayName); err != nil {
+		return httputil.LogThenError(req, err)
+	}
+
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: struct{}{},
+	}
+}