mirror of
https://github.com/hoernschen/dendrite.git
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326 lines
10 KiB
Go
326 lines
10 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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"crypto/ed25519"
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"encoding/json"
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"fmt"
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"net/http"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/roomserver/types"
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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/gomatrixserverlib/fclient"
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"github.com/matrix-org/gomatrixserverlib/spec"
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"github.com/matrix-org/util"
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)
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// InviteV3 implements /_matrix/federation/v2/invite/{roomID}/{userID}
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func InviteV3(
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httpReq *http.Request,
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request *fclient.FederationRequest,
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roomID spec.RoomID,
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invitedUser spec.UserID,
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cfg *config.FederationAPI,
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rsAPI api.FederationRoomserverAPI,
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keys gomatrixserverlib.JSONVerifier,
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) util.JSONResponse {
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inviteReq := fclient.InviteV3Request{}
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err := json.Unmarshal(request.Content(), &inviteReq)
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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(err.Error()),
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}
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}
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if !cfg.Matrix.IsLocalServerName(invitedUser.Domain()) {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.InvalidParam("The invited user domain does not belong to this server"),
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}
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}
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input := gomatrixserverlib.HandleInviteV3Input{
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HandleInviteInput: gomatrixserverlib.HandleInviteInput{
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RoomVersion: inviteReq.RoomVersion(),
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RoomID: roomID,
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InvitedUser: invitedUser,
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KeyID: cfg.Matrix.KeyID,
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PrivateKey: cfg.Matrix.PrivateKey,
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Verifier: keys,
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RoomQuerier: rsAPI,
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MembershipQuerier: &api.MembershipQuerier{Roomserver: rsAPI},
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StateQuerier: rsAPI.StateQuerier(),
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InviteEvent: nil,
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StrippedState: inviteReq.InviteRoomState(),
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UserIDQuerier: func(roomID spec.RoomID, senderID spec.SenderID) (*spec.UserID, error) {
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return rsAPI.QueryUserIDForSender(httpReq.Context(), roomID, senderID)
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},
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},
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InviteProtoEvent: inviteReq.Event(),
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GetOrCreateSenderID: func(ctx context.Context, userID spec.UserID, roomID spec.RoomID, roomVersion string) (spec.SenderID, ed25519.PrivateKey, error) {
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// assign a roomNID, otherwise we can't create a private key for the user
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_, nidErr := rsAPI.AssignRoomNID(ctx, roomID, gomatrixserverlib.RoomVersion(roomVersion))
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if nidErr != nil {
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return "", nil, nidErr
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}
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key, keyErr := rsAPI.GetOrCreateUserRoomPrivateKey(ctx, userID, roomID)
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if keyErr != nil {
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return "", nil, keyErr
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}
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return spec.SenderIDFromPseudoIDKey(key), key, nil
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},
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}
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event, jsonErr := handleInviteV3(httpReq.Context(), input, rsAPI)
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if jsonErr != nil {
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return *jsonErr
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}
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return util.JSONResponse{
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Code: http.StatusOK,
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JSON: fclient.RespInviteV2{Event: event.JSON()},
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}
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}
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// InviteV2 implements /_matrix/federation/v2/invite/{roomID}/{eventID}
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func InviteV2(
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httpReq *http.Request,
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request *fclient.FederationRequest,
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roomID spec.RoomID,
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eventID string,
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cfg *config.FederationAPI,
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rsAPI api.FederationRoomserverAPI,
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keys gomatrixserverlib.JSONVerifier,
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) util.JSONResponse {
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inviteReq := fclient.InviteV2Request{}
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err := json.Unmarshal(request.Content(), &inviteReq)
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switch e := err.(type) {
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case gomatrixserverlib.UnsupportedRoomVersionError:
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.UnsupportedRoomVersion(
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fmt.Sprintf("Room version %q is not supported by this server.", e.Version),
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),
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}
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case gomatrixserverlib.BadJSONError:
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.BadJSON(err.Error()),
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}
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case nil:
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if inviteReq.Event().StateKey() == nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.BadJSON("The invite event has no state key"),
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}
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}
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invitedUser, userErr := spec.NewUserID(*inviteReq.Event().StateKey(), true)
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if userErr != nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.InvalidParam("The user ID is invalid"),
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}
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}
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if !cfg.Matrix.IsLocalServerName(invitedUser.Domain()) {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.InvalidParam("The invited user domain does not belong to this server"),
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}
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}
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if inviteReq.Event().EventID() != eventID {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.BadJSON("The event ID in the request path must match the event ID in the invite event JSON"),
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}
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}
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input := gomatrixserverlib.HandleInviteInput{
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RoomVersion: inviteReq.RoomVersion(),
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RoomID: roomID,
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InvitedUser: *invitedUser,
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KeyID: cfg.Matrix.KeyID,
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PrivateKey: cfg.Matrix.PrivateKey,
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Verifier: keys,
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RoomQuerier: rsAPI,
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MembershipQuerier: &api.MembershipQuerier{Roomserver: rsAPI},
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StateQuerier: rsAPI.StateQuerier(),
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InviteEvent: inviteReq.Event(),
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StrippedState: inviteReq.InviteRoomState(),
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UserIDQuerier: func(roomID spec.RoomID, senderID spec.SenderID) (*spec.UserID, error) {
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return rsAPI.QueryUserIDForSender(httpReq.Context(), roomID, senderID)
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},
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}
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event, jsonErr := handleInvite(httpReq.Context(), input, rsAPI)
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if jsonErr != nil {
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return *jsonErr
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}
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return util.JSONResponse{
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Code: http.StatusOK,
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JSON: fclient.RespInviteV2{Event: event.JSON()},
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}
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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.NotJSON("The request body could not be decoded into an invite request. " + err.Error()),
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}
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}
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}
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// InviteV1 implements /_matrix/federation/v1/invite/{roomID}/{eventID}
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func InviteV1(
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httpReq *http.Request,
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request *fclient.FederationRequest,
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roomID spec.RoomID,
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eventID string,
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cfg *config.FederationAPI,
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rsAPI api.FederationRoomserverAPI,
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keys gomatrixserverlib.JSONVerifier,
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) util.JSONResponse {
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roomVer := gomatrixserverlib.RoomVersionV1
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body := request.Content()
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// roomVer is hardcoded to v1 so we know we won't panic on Must
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event, err := gomatrixserverlib.MustGetRoomVersion(roomVer).NewEventFromTrustedJSON(body, false)
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switch err.(type) {
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case gomatrixserverlib.BadJSONError:
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.BadJSON(err.Error()),
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}
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case nil:
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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.NotJSON("The request body could not be decoded into an invite v1 request. " + err.Error()),
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}
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}
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var strippedState []gomatrixserverlib.InviteStrippedState
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if jsonErr := json.Unmarshal(event.Unsigned(), &strippedState); jsonErr != nil {
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// just warn, they may not have added any.
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util.GetLogger(httpReq.Context()).Warnf("failed to extract stripped state from invite event")
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}
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if event.StateKey() == nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.BadJSON("The invite event has no state key"),
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}
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}
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invitedUser, err := spec.NewUserID(*event.StateKey(), true)
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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("The user ID is invalid"),
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}
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}
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if !cfg.Matrix.IsLocalServerName(invitedUser.Domain()) {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.InvalidParam("The invited user domain does not belong to this server"),
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}
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}
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if event.EventID() != eventID {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.BadJSON("The event ID in the request path must match the event ID in the invite event JSON"),
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}
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}
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input := gomatrixserverlib.HandleInviteInput{
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RoomVersion: roomVer,
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RoomID: roomID,
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InvitedUser: *invitedUser,
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KeyID: cfg.Matrix.KeyID,
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PrivateKey: cfg.Matrix.PrivateKey,
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Verifier: keys,
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RoomQuerier: rsAPI,
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MembershipQuerier: &api.MembershipQuerier{Roomserver: rsAPI},
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StateQuerier: rsAPI.StateQuerier(),
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InviteEvent: event,
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StrippedState: strippedState,
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UserIDQuerier: func(roomID spec.RoomID, senderID spec.SenderID) (*spec.UserID, error) {
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return rsAPI.QueryUserIDForSender(httpReq.Context(), roomID, senderID)
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},
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}
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event, jsonErr := handleInvite(httpReq.Context(), input, rsAPI)
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if jsonErr != nil {
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return *jsonErr
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}
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return util.JSONResponse{
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Code: http.StatusOK,
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JSON: fclient.RespInvite{Event: event.JSON()},
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}
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}
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func handleInvite(ctx context.Context, input gomatrixserverlib.HandleInviteInput, rsAPI api.FederationRoomserverAPI) (gomatrixserverlib.PDU, *util.JSONResponse) {
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inviteEvent, err := gomatrixserverlib.HandleInvite(ctx, input)
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return handleInviteResult(ctx, inviteEvent, err, rsAPI)
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}
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func handleInviteV3(ctx context.Context, input gomatrixserverlib.HandleInviteV3Input, rsAPI api.FederationRoomserverAPI) (gomatrixserverlib.PDU, *util.JSONResponse) {
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inviteEvent, err := gomatrixserverlib.HandleInviteV3(ctx, input)
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return handleInviteResult(ctx, inviteEvent, err, rsAPI)
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}
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func handleInviteResult(ctx context.Context, inviteEvent gomatrixserverlib.PDU, err error, rsAPI api.FederationRoomserverAPI) (gomatrixserverlib.PDU, *util.JSONResponse) {
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switch e := err.(type) {
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case nil:
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case spec.InternalServerError:
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util.GetLogger(ctx).WithError(err)
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return nil, &util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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case spec.MatrixError:
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util.GetLogger(ctx).WithError(err)
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code := http.StatusInternalServerError
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switch e.ErrCode {
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case spec.ErrorForbidden:
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code = http.StatusForbidden
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case spec.ErrorUnsupportedRoomVersion:
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fallthrough // http.StatusBadRequest
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case spec.ErrorBadJSON:
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code = http.StatusBadRequest
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}
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return nil, &util.JSONResponse{
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Code: code,
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JSON: e,
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}
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default:
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util.GetLogger(ctx).WithError(err)
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return nil, &util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.Unknown("unknown error"),
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}
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}
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headeredInvite := &types.HeaderedEvent{PDU: inviteEvent}
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if err = rsAPI.HandleInvite(ctx, headeredInvite); err != nil {
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util.GetLogger(ctx).WithError(err).Error("HandleInvite failed")
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return nil, &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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return inviteEvent, nil
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}
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