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// Copyright 2024 New Vector Ltd.
// Copyright 2022 The Matrix.org Foundation C.I.C.
//
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
// Please see LICENSE files in the repository root for full details.
package routing
import (
"encoding/json"
"net/http"
"github.com/element-hq/dendrite/relayapi/api"
"github.com/matrix-org/gomatrixserverlib/fclient"
"github.com/matrix-org/gomatrixserverlib/spec"
"github.com/matrix-org/util"
"github.com/sirupsen/logrus"
)
// GetTransactionFromRelay implements GET /_matrix/federation/v1/relay_txn/{userID}
// This endpoint can be extracted into a separate relay server service.
func GetTransactionFromRelay(
httpReq *http.Request,
fedReq *fclient.FederationRequest,
relayAPI api.RelayInternalAPI,
userID spec.UserID,
) util.JSONResponse {
logrus.Infof("Processing relay_txn for %s", userID.String())
var previousEntry fclient.RelayEntry
if err := json.Unmarshal(fedReq.Content(), &previousEntry); err != nil {
return util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.BadJSON("invalid json provided"),
}
}
if previousEntry.EntryID < 0 {
return util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.BadJSON("Invalid entry id provided. Must be >= 0."),
}
}
logrus.Infof("Previous entry provided: %v", previousEntry.EntryID)
response, err := relayAPI.QueryTransactions(httpReq.Context(), userID, previousEntry)
if err != nil {
return util.JSONResponse{
Code: http.StatusInternalServerError,
}
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: fclient.RespGetRelayTransaction{
Transaction: response.Transaction,
EntryID: response.EntryID,
EntriesQueued: response.EntriesQueued,
},
}
}
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