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// 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"
"io/ioutil"
"net/http"
"github.com/matrix-org/dendrite/clientapi/auth"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/dendrite/userapi/storage/devices"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
)
// https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-devices
type deviceJSON struct {
DeviceID string `json:"device_id"`
DisplayName string `json:"display_name"`
LastSeenIP string `json:"last_seen_ip"`
LastSeenTS uint64 `json:"last_seen_ts"`
}
type devicesJSON struct {
Devices []deviceJSON `json:"devices"`
}
type deviceUpdateJSON struct {
DisplayName *string `json:"display_name"`
}
type devicesDeleteJSON struct {
Devices []string `json:"devices"`
}
// GetDeviceByID handles /devices/{deviceID}
func GetDeviceByID(
req *http.Request, deviceDB devices.Database, device *api.Device,
deviceID string,
) util.JSONResponse {
localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
return jsonerror.InternalServerError()
}
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 {
util.GetLogger(req.Context()).WithError(err).Error("deviceDB.GetDeviceByID failed")
return jsonerror.InternalServerError()
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: deviceJSON{
DeviceID: dev.ID,
DisplayName: dev.DisplayName,
},
}
}
// GetDevicesByLocalpart handles /devices
func GetDevicesByLocalpart(
req *http.Request, deviceDB devices.Database, device *api.Device,
) util.JSONResponse {
localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
return jsonerror.InternalServerError()
}
ctx := req.Context()
deviceList, err := deviceDB.GetDevicesByLocalpart(ctx, localpart)
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("deviceDB.GetDevicesByLocalpart failed")
return jsonerror.InternalServerError()
}
res := devicesJSON{}
for _, dev := range deviceList {
res.Devices = append(res.Devices, deviceJSON{
DeviceID: dev.ID,
DisplayName: dev.DisplayName,
})
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: res,
}
}
// UpdateDeviceByID handles PUT on /devices/{deviceID}
func UpdateDeviceByID(
req *http.Request, userAPI api.UserInternalAPI, device *api.Device,
deviceID string,
) util.JSONResponse {
defer req.Body.Close() // nolint: errcheck
payload := deviceUpdateJSON{}
if err := json.NewDecoder(req.Body).Decode(&payload); err != nil {
util.GetLogger(req.Context()).WithError(err).Error("json.NewDecoder.Decode failed")
return jsonerror.InternalServerError()
}
var performRes api.PerformDeviceUpdateResponse
err := userAPI.PerformDeviceUpdate(req.Context(), &api.PerformDeviceUpdateRequest{
RequestingUserID: device.UserID,
DeviceID: deviceID,
DisplayName: payload.DisplayName,
}, &performRes)
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("PerformDeviceUpdate failed")
return jsonerror.InternalServerError()
}
if !performRes.DeviceExists {
return util.JSONResponse{
Code: http.StatusNotFound,
JSON: jsonerror.Forbidden("device does not exist"),
}
}
if performRes.Forbidden {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("device not owned by current user"),
}
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: struct{}{},
}
}
// DeleteDeviceById handles DELETE requests to /devices/{deviceId}
func DeleteDeviceById(
req *http.Request, userInteractiveAuth *auth.UserInteractive, userAPI api.UserInternalAPI, device *api.Device,
deviceID string,
) util.JSONResponse {
ctx := req.Context()
defer req.Body.Close() // nolint:errcheck
bodyBytes, err := ioutil.ReadAll(req.Body)
if err != nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.BadJSON("The request body could not be read: " + err.Error()),
}
}
login, errRes := userInteractiveAuth.Verify(ctx, bodyBytes, device)
if errRes != nil {
return *errRes
}
localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
if err != nil {
util.GetLogger(ctx).WithError(err).Error("gomatrixserverlib.SplitID failed")
return jsonerror.InternalServerError()
}
// make sure that the access token being used matches the login creds used for user interactive auth, else
// 1 compromised access token could be used to logout all devices.
if login.Username() != localpart && login.Username() != device.UserID {
return util.JSONResponse{
Code: 403,
JSON: jsonerror.Forbidden("Cannot delete another user's device"),
}
}
var res api.PerformDeviceDeletionResponse
if err := userAPI.PerformDeviceDeletion(ctx, &api.PerformDeviceDeletionRequest{
UserID: device.UserID,
DeviceIDs: []string{deviceID},
}, &res); err != nil {
util.GetLogger(ctx).WithError(err).Error("userAPI.PerformDeviceDeletion failed")
return jsonerror.InternalServerError()
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: struct{}{},
}
}
// DeleteDevices handles POST requests to /delete_devices
func DeleteDevices(
req *http.Request, userAPI api.UserInternalAPI, device *api.Device,
) util.JSONResponse {
ctx := req.Context()
payload := devicesDeleteJSON{}
if err := json.NewDecoder(req.Body).Decode(&payload); err != nil {
util.GetLogger(ctx).WithError(err).Error("json.NewDecoder.Decode failed")
return jsonerror.InternalServerError()
}
defer req.Body.Close() // nolint: errcheck
var res api.PerformDeviceDeletionResponse
if err := userAPI.PerformDeviceDeletion(ctx, &api.PerformDeviceDeletionRequest{
UserID: device.UserID,
DeviceIDs: payload.Devices,
}, &res); err != nil {
util.GetLogger(ctx).WithError(err).Error("userAPI.PerformDeviceDeletion failed")
return jsonerror.InternalServerError()
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: struct{}{},
}
}
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