mirror of
https://github.com/element-hq/dendrite.git
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68 lines
2.2 KiB
Go
68 lines
2.2 KiB
Go
// Copyright 2024 New Vector Ltd.
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// Copyright 2022 The Matrix.org Foundation C.I.C.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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package routing
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import (
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"encoding/json"
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"net/http"
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"github.com/element-hq/dendrite/relayapi/api"
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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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// SendTransactionToRelay implements PUT /_matrix/federation/v1/send_relay/{txnID}/{userID}
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// This endpoint can be extracted into a separate relay server service.
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func SendTransactionToRelay(
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httpReq *http.Request,
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fedReq *fclient.FederationRequest,
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relayAPI api.RelayInternalAPI,
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txnID gomatrixserverlib.TransactionID,
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userID spec.UserID,
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) util.JSONResponse {
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logrus.Infof("Processing send_relay for %s", userID.String())
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var txnEvents fclient.RelayEvents
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if err := json.Unmarshal(fedReq.Content(), &txnEvents); err != nil {
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logrus.Info("The request body could not be decoded into valid JSON." + err.Error())
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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 valid JSON." + err.Error()),
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}
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}
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// Transactions are limited in size; they can have at most 50 PDUs and 100 EDUs.
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// https://matrix.org/docs/spec/server_server/latest#transactions
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if len(txnEvents.PDUs) > 50 || len(txnEvents.EDUs) > 100 {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.BadJSON("max 50 pdus / 100 edus"),
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}
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}
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t := gomatrixserverlib.Transaction{}
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t.PDUs = txnEvents.PDUs
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t.EDUs = txnEvents.EDUs
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t.Origin = fedReq.Origin()
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t.TransactionID = txnID
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t.Destination = userID.Domain()
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util.GetLogger(httpReq.Context()).Warnf("Received transaction %q from %q containing %d PDUs, %d EDUs", txnID, fedReq.Origin(), len(t.PDUs), len(t.EDUs))
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err := relayAPI.PerformStoreTransaction(httpReq.Context(), t, userID)
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if err != nil {
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.BadJSON("could not store the transaction for forwarding"),
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}
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}
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return util.JSONResponse{Code: 200}
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}
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