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// Copyright 2024 New Vector Ltd.
//
// 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/matrix-org/util"
"github.com/element-hq/dendrite/clientapi/httputil"
"github.com/element-hq/dendrite/clientapi/producers"
"github.com/element-hq/dendrite/internal/transactions"
userapi "github.com/element-hq/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib/spec"
)
// SendToDevice handles PUT /_matrix/client/r0/sendToDevice/{eventType}/{txnId}
// sends the device events to the syncapi & federationsender
func SendToDevice(
req *http.Request, device *userapi.Device,
syncProducer *producers.SyncAPIProducer,
txnCache *transactions.Cache,
eventType string, txnID *string,
) util.JSONResponse {
if txnID != nil {
if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID, req.URL); ok {
return *res
}
}
var httpReq struct {
Messages map[string]map[string]json.RawMessage `json:"messages"`
}
resErr := httputil.UnmarshalJSONRequest(req, &httpReq)
if resErr != nil {
return *resErr
}
for userID, byUser := range httpReq.Messages {
for deviceID, message := range byUser {
if err := syncProducer.SendToDevice(
req.Context(), device.UserID, userID, deviceID, eventType, message,
); err != nil {
util.GetLogger(req.Context()).WithError(err).Error("eduProducer.SendToDevice failed")
return util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
}
}
res := util.JSONResponse{
Code: http.StatusOK,
JSON: struct{}{},
}
if txnID != nil {
txnCache.AddTransaction(device.AccessToken, *txnID, req.URL, &res)
}
return res
}
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