mirror of
https://github.com/matrix-org/dendrite
synced 2024-10-31 13:09:08 +01:00
d58daf9665
This hopefully reduces the garbage we currently produce. (Using [GlitchTip](https://glitchtip.com/) on my personal instance, this seems to look better)
139 lines
4.8 KiB
Go
139 lines
4.8 KiB
Go
// Copyright 2022 The Matrix.org Foundation C.I.C.
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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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"fmt"
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"net/http"
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"time"
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"github.com/getsentry/sentry-go"
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"github.com/gorilla/mux"
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"github.com/matrix-org/dendrite/internal/httputil"
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relayInternal "github.com/matrix-org/dendrite/relayapi/internal"
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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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"github.com/sirupsen/logrus"
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)
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// Setup registers HTTP handlers with the given ServeMux.
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// The provided publicAPIMux MUST have `UseEncodedPath()` enabled or else routes will incorrectly
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// path unescape twice (once from the router, once from MakeRelayAPI). We need to have this enabled
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// so we can decode paths like foo/bar%2Fbaz as [foo, bar/baz] - by default it will decode to [foo, bar, baz]
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func Setup(
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fedMux *mux.Router,
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cfg *config.FederationAPI,
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relayAPI *relayInternal.RelayInternalAPI,
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keys gomatrixserverlib.JSONVerifier,
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) {
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v1fedmux := fedMux.PathPrefix("/v1").Subrouter()
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v1fedmux.Handle("/send_relay/{txnID}/{userID}", MakeRelayAPI(
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"send_relay_transaction", "", cfg.Matrix.IsLocalServerName, keys,
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func(httpReq *http.Request, request *fclient.FederationRequest, vars map[string]string) util.JSONResponse {
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logrus.Infof("Handling send_relay from: %s", request.Origin())
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if !relayAPI.RelayingEnabled() {
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logrus.Warnf("Dropping send_relay from: %s", request.Origin())
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return util.JSONResponse{
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Code: http.StatusNotFound,
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}
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}
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userID, err := spec.NewUserID(vars["userID"], false)
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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.InvalidUsername("Username was invalid"),
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}
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}
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return SendTransactionToRelay(
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httpReq, request, relayAPI, gomatrixserverlib.TransactionID(vars["txnID"]),
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*userID,
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)
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},
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)).Methods(http.MethodPut, http.MethodOptions)
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v1fedmux.Handle("/relay_txn/{userID}", MakeRelayAPI(
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"get_relay_transaction", "", cfg.Matrix.IsLocalServerName, keys,
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func(httpReq *http.Request, request *fclient.FederationRequest, vars map[string]string) util.JSONResponse {
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logrus.Infof("Handling relay_txn from: %s", request.Origin())
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if !relayAPI.RelayingEnabled() {
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logrus.Warnf("Dropping relay_txn from: %s", request.Origin())
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return util.JSONResponse{
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Code: http.StatusNotFound,
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}
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}
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userID, err := spec.NewUserID(vars["userID"], false)
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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.InvalidUsername("Username was invalid"),
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}
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}
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return GetTransactionFromRelay(httpReq, request, relayAPI, *userID)
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},
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)).Methods(http.MethodGet, http.MethodOptions)
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}
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// MakeRelayAPI makes an http.Handler that checks matrix relay authentication.
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func MakeRelayAPI(
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metricsName string, serverName spec.ServerName,
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isLocalServerName func(spec.ServerName) bool,
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keyRing gomatrixserverlib.JSONVerifier,
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f func(*http.Request, *fclient.FederationRequest, map[string]string) util.JSONResponse,
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) http.Handler {
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h := func(req *http.Request) util.JSONResponse {
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fedReq, errResp := fclient.VerifyHTTPRequest(
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req, time.Now(), serverName, isLocalServerName, keyRing,
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)
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if fedReq == nil {
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return errResp
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}
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// add the user to Sentry, if enabled
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hub := sentry.GetHubFromContext(req.Context())
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if hub != nil {
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// clone the hub, so we don't send garbage events with e.g. mismatching rooms/event_ids
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hub = hub.Clone()
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hub.Scope().SetTag("origin", string(fedReq.Origin()))
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hub.Scope().SetTag("uri", fedReq.RequestURI())
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}
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defer func() {
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if r := recover(); r != nil {
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if hub != nil {
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hub.CaptureException(fmt.Errorf("%s panicked", req.URL.Path))
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}
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// re-panic to return the 500
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panic(r)
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}
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}()
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vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
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if err != nil {
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return util.MatrixErrorResponse(400, string(spec.ErrorUnrecognized), "badly encoded query params")
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}
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jsonRes := f(req, fedReq, vars)
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// do not log 4xx as errors as they are client fails, not server fails
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if hub != nil && jsonRes.Code >= 500 {
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hub.Scope().SetExtra("response", jsonRes)
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hub.CaptureException(fmt.Errorf("%s returned HTTP %d", req.URL.Path, jsonRes.Code))
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}
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return jsonRes
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}
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return httputil.MakeExternalAPI(metricsName, h)
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}
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