YevhenBondarenko
5 years ago
committed by
Andrew Shvayka
Andrew Shvayka
5 changed files with 149 additions and 77 deletions
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/** |
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* Copyright © 2016-2021 The Thingsboard Authors |
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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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*/ |
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package org.thingsboard.server.transport.coap; |
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import lombok.extern.slf4j.Slf4j; |
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import org.eclipse.californium.core.coap.CoAP; |
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import org.eclipse.californium.core.coap.Request; |
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import org.eclipse.californium.core.coap.Response; |
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import org.eclipse.californium.core.network.Exchange; |
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import org.eclipse.californium.core.server.resources.CoapExchange; |
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import org.eclipse.californium.core.server.resources.Resource; |
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import org.thingsboard.server.common.data.DeviceTransportType; |
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import org.thingsboard.server.common.data.StringUtils; |
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import org.thingsboard.server.common.data.ota.OtaPackageType; |
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import org.thingsboard.server.common.data.security.DeviceTokenCredentials; |
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import org.thingsboard.server.common.transport.TransportServiceCallback; |
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import org.thingsboard.server.gen.transport.TransportProtos; |
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import java.util.List; |
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import java.util.Optional; |
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import java.util.UUID; |
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@Slf4j |
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public class OtaPackageTransportResource extends AbstractCoapTransportResource { |
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private static final int ACCESS_TOKEN_POSITION = 2; |
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private final OtaPackageType otaPackageType; |
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public OtaPackageTransportResource(CoapTransportContext ctx, OtaPackageType otaPackageType) { |
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super(ctx, otaPackageType.getKeyPrefix()); |
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this.otaPackageType = otaPackageType; |
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} |
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@Override |
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protected void processHandleGet(CoapExchange exchange) { |
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log.trace("Processing {}", exchange.advanced().getRequest()); |
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exchange.accept(); |
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Exchange advanced = exchange.advanced(); |
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Request request = advanced.getRequest(); |
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processAccessTokenRequest(exchange, request); |
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} |
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@Override |
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protected void processHandlePost(CoapExchange exchange) { |
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exchange.respond(CoAP.ResponseCode.METHOD_NOT_ALLOWED); |
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} |
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private void processAccessTokenRequest(CoapExchange exchange, Request request) { |
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Optional<DeviceTokenCredentials> credentials = decodeCredentials(request); |
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if (credentials.isEmpty()) { |
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exchange.respond(CoAP.ResponseCode.UNAUTHORIZED); |
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return; |
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} |
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transportService.process(DeviceTransportType.COAP, TransportProtos.ValidateDeviceTokenRequestMsg.newBuilder().setToken(credentials.get().getCredentialsId()).build(), |
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new CoapDeviceAuthCallback(transportContext, exchange, (sessionInfo, deviceProfile) -> { |
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getOtaPackageCallback(sessionInfo, exchange, otaPackageType); |
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})); |
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} |
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private void getOtaPackageCallback(TransportProtos.SessionInfoProto sessionInfo, CoapExchange exchange, OtaPackageType firmwareType) { |
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TransportProtos.GetOtaPackageRequestMsg requestMsg = TransportProtos.GetOtaPackageRequestMsg.newBuilder() |
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.setTenantIdMSB(sessionInfo.getTenantIdMSB()) |
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.setTenantIdLSB(sessionInfo.getTenantIdLSB()) |
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.setDeviceIdMSB(sessionInfo.getDeviceIdMSB()) |
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.setDeviceIdLSB(sessionInfo.getDeviceIdLSB()) |
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.setType(firmwareType.name()).build(); |
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transportContext.getTransportService().process(sessionInfo, requestMsg, new OtaPackageCallback(exchange)); |
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} |
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private Optional<DeviceTokenCredentials> decodeCredentials(Request request) { |
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List<String> uriPath = request.getOptions().getUriPath(); |
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if (uriPath.size() == ACCESS_TOKEN_POSITION) { |
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return Optional.of(new DeviceTokenCredentials(uriPath.get(ACCESS_TOKEN_POSITION - 1))); |
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} else { |
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return Optional.empty(); |
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} |
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} |
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@Override |
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public Resource getChild(String name) { |
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return this; |
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} |
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private class OtaPackageCallback implements TransportServiceCallback<TransportProtos.GetOtaPackageResponseMsg> { |
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private final CoapExchange exchange; |
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OtaPackageCallback(CoapExchange exchange) { |
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this.exchange = exchange; |
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} |
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@Override |
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public void onSuccess(TransportProtos.GetOtaPackageResponseMsg msg) { |
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String title = exchange.getQueryParameter("title"); |
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String version = exchange.getQueryParameter("version"); |
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if (msg.getResponseStatus().equals(TransportProtos.ResponseStatus.SUCCESS)) { |
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String firmwareId = new UUID(msg.getOtaPackageIdMSB(), msg.getOtaPackageIdLSB()).toString(); |
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if ((title == null || msg.getTitle().equals(title)) && (version == null || msg.getVersion().equals(version))) { |
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String strChunkSize = exchange.getQueryParameter("size"); |
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String strChunk = exchange.getQueryParameter("chunk"); |
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int chunkSize = StringUtils.isEmpty(strChunkSize) ? 0 : Integer.parseInt(strChunkSize); |
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int chunk = StringUtils.isEmpty(strChunk) ? 0 : Integer.parseInt(strChunk); |
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respondOtaPackage(exchange, transportContext.getOtaPackageDataCache().get(firmwareId, chunkSize, chunk)); |
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} else { |
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exchange.respond(CoAP.ResponseCode.BAD_REQUEST); |
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} |
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} else { |
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exchange.respond(CoAP.ResponseCode.NOT_FOUND); |
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} |
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} |
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@Override |
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public void onError(Throwable e) { |
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log.warn("Failed to process request", e); |
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exchange.respond(CoAP.ResponseCode.INTERNAL_SERVER_ERROR); |
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} |
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} |
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private void respondOtaPackage(CoapExchange exchange, byte[] data) { |
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Response response = new Response(CoAP.ResponseCode.CONTENT); |
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if (data != null && data.length > 0) { |
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response.setPayload(data); |
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if (exchange.getRequestOptions().getBlock2() != null) { |
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int chunkSize = exchange.getRequestOptions().getBlock2().getSzx(); |
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boolean moreFlag = data.length > chunkSize; |
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response.getOptions().setBlock2(chunkSize, moreFlag, 0); |
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} |
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exchange.respond(response); |
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} |
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} |
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} |
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