mirror of
https://github.com/matrix-org/dendrite
synced 2024-11-18 07:40:53 +01:00
ea6b368ad4
This is both the federation receiving & sending side logic (which were previously entangeld in a single function)
241 lines
8.2 KiB
Go
241 lines
8.2 KiB
Go
// Copyright 2017 Vector Creations Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package routing
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"strings"
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"time"
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appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
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roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
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roomserverVersion "github.com/matrix-org/dendrite/roomserver/version"
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"github.com/matrix-org/dendrite/userapi/api"
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"github.com/matrix-org/gomatrixserverlib/spec"
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"github.com/matrix-org/dendrite/clientapi/httputil"
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"github.com/matrix-org/dendrite/setup/config"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/util"
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log "github.com/sirupsen/logrus"
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)
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// https://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-createroom
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type createRoomRequest struct {
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Invite []string `json:"invite"`
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Name string `json:"name"`
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Visibility string `json:"visibility"`
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Topic string `json:"topic"`
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Preset string `json:"preset"`
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CreationContent json.RawMessage `json:"creation_content"`
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InitialState []gomatrixserverlib.FledglingEvent `json:"initial_state"`
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RoomAliasName string `json:"room_alias_name"`
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RoomVersion gomatrixserverlib.RoomVersion `json:"room_version"`
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PowerLevelContentOverride json.RawMessage `json:"power_level_content_override"`
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IsDirect bool `json:"is_direct"`
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}
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func (r createRoomRequest) Validate() *util.JSONResponse {
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whitespace := "\t\n\x0b\x0c\r " // https://docs.python.org/2/library/string.html#string.whitespace
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// https://github.com/matrix-org/synapse/blob/v0.19.2/synapse/handlers/room.py#L81
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// Synapse doesn't check for ':' but we will else it will break parsers badly which split things into 2 segments.
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if strings.ContainsAny(r.RoomAliasName, whitespace+":") {
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return &util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.BadJSON("room_alias_name cannot contain whitespace or ':'"),
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}
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}
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for _, userID := range r.Invite {
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if _, err := spec.NewUserID(userID, true); err != nil {
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return &util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.BadJSON("user id must be in the form @localpart:domain"),
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}
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}
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}
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switch r.Preset {
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case spec.PresetPrivateChat, spec.PresetTrustedPrivateChat, spec.PresetPublicChat, "":
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default:
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return &util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.BadJSON("preset must be any of 'private_chat', 'trusted_private_chat', 'public_chat'"),
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}
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}
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// Validate creation_content fields defined in the spec by marshalling the
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// creation_content map into bytes and then unmarshalling the bytes into
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// eventutil.CreateContent.
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creationContentBytes, err := json.Marshal(r.CreationContent)
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if err != nil {
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return &util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.BadJSON("malformed creation_content"),
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}
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}
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var CreationContent gomatrixserverlib.CreateContent
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err = json.Unmarshal(creationContentBytes, &CreationContent)
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if err != nil {
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return &util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.BadJSON("malformed creation_content"),
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}
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}
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return nil
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}
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// https://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-createroom
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type createRoomResponse struct {
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RoomID string `json:"room_id"`
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RoomAlias string `json:"room_alias,omitempty"` // in synapse not spec
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}
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// CreateRoom implements /createRoom
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func CreateRoom(
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req *http.Request, device *api.Device,
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cfg *config.ClientAPI,
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profileAPI api.ClientUserAPI, rsAPI roomserverAPI.ClientRoomserverAPI,
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asAPI appserviceAPI.AppServiceInternalAPI,
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) util.JSONResponse {
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var createRequest createRoomRequest
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resErr := httputil.UnmarshalJSONRequest(req, &createRequest)
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if resErr != nil {
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return *resErr
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}
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if resErr = createRequest.Validate(); resErr != nil {
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return *resErr
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}
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evTime, err := httputil.ParseTSParam(req)
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if err != nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.InvalidParam(err.Error()),
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}
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}
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return createRoom(req.Context(), createRequest, device, cfg, profileAPI, rsAPI, asAPI, evTime)
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}
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// createRoom implements /createRoom
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func createRoom(
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ctx context.Context,
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createRequest createRoomRequest, device *api.Device,
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cfg *config.ClientAPI,
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profileAPI api.ClientUserAPI, rsAPI roomserverAPI.ClientRoomserverAPI,
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asAPI appserviceAPI.AppServiceInternalAPI,
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evTime time.Time,
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) util.JSONResponse {
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userID, err := spec.NewUserID(device.UserID, true)
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if err != nil {
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util.GetLogger(ctx).WithError(err).Error("invalid userID")
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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}
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if !cfg.Matrix.IsLocalServerName(userID.Domain()) {
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return util.JSONResponse{
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Code: http.StatusForbidden,
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JSON: spec.Forbidden(fmt.Sprintf("User domain %q not configured locally", userID.Domain())),
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}
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}
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logger := util.GetLogger(ctx)
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// TODO: Check room ID doesn't clash with an existing one, and we
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// probably shouldn't be using pseudo-random strings, maybe GUIDs?
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roomID, err := spec.NewRoomID(fmt.Sprintf("!%s:%s", util.RandomString(16), userID.Domain()))
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if err != nil {
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util.GetLogger(ctx).WithError(err).Error("invalid roomID")
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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}
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// Clobber keys: creator, room_version
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roomVersion := roomserverVersion.DefaultRoomVersion()
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if createRequest.RoomVersion != "" {
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candidateVersion := gomatrixserverlib.RoomVersion(createRequest.RoomVersion)
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_, roomVersionError := roomserverVersion.SupportedRoomVersion(candidateVersion)
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if roomVersionError != nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.UnsupportedRoomVersion(roomVersionError.Error()),
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}
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}
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roomVersion = candidateVersion
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}
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logger.WithFields(log.Fields{
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"userID": userID.String(),
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"roomID": roomID.String(),
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"roomVersion": roomVersion,
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}).Info("Creating new room")
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profile, err := appserviceAPI.RetrieveUserProfile(ctx, userID.String(), asAPI, profileAPI)
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if err != nil {
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util.GetLogger(ctx).WithError(err).Error("appserviceAPI.RetrieveUserProfile failed")
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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}
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userDisplayName := profile.DisplayName
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userAvatarURL := profile.AvatarURL
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keyID := cfg.Matrix.KeyID
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privateKey := cfg.Matrix.PrivateKey
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req := roomserverAPI.PerformCreateRoomRequest{
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InvitedUsers: createRequest.Invite,
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RoomName: createRequest.Name,
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Visibility: createRequest.Visibility,
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Topic: createRequest.Topic,
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StatePreset: createRequest.Preset,
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CreationContent: createRequest.CreationContent,
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InitialState: createRequest.InitialState,
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RoomAliasName: createRequest.RoomAliasName,
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RoomVersion: roomVersion,
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PowerLevelContentOverride: createRequest.PowerLevelContentOverride,
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IsDirect: createRequest.IsDirect,
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UserDisplayName: userDisplayName,
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UserAvatarURL: userAvatarURL,
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KeyID: keyID,
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PrivateKey: privateKey,
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EventTime: evTime,
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}
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roomAlias, createRes := rsAPI.PerformCreateRoom(ctx, *userID, *roomID, &req)
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if createRes != nil {
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return *createRes
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}
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response := createRoomResponse{
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RoomID: roomID.String(),
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RoomAlias: roomAlias,
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}
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return util.JSONResponse{
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Code: 200,
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JSON: response,
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}
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}
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