2 * Copyright (c) 2010-2024 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
7 * This program and the accompanying materials are made available under the
8 * terms of the Eclipse Public License 2.0 which is available at
9 * http://www.eclipse.org/legal/epl-2.0
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.ecobee.internal.api;
15 import static org.openhab.binding.ecobee.internal.EcobeeBindingConstants.*;
17 import java.io.ByteArrayInputStream;
18 import java.io.EOFException;
19 import java.io.IOException;
20 import java.net.URLEncoder;
21 import java.nio.charset.StandardCharsets;
22 import java.time.Instant;
23 import java.time.LocalDateTime;
24 import java.util.List;
25 import java.util.Properties;
27 import java.util.concurrent.TimeoutException;
29 import org.eclipse.jdt.annotation.NonNullByDefault;
30 import org.eclipse.jdt.annotation.Nullable;
31 import org.eclipse.jetty.client.HttpClient;
32 import org.openhab.binding.ecobee.internal.dto.AbstractResponseDTO;
33 import org.openhab.binding.ecobee.internal.dto.SelectionDTO;
34 import org.openhab.binding.ecobee.internal.dto.SelectionType;
35 import org.openhab.binding.ecobee.internal.dto.thermostat.InstantDeserializer;
36 import org.openhab.binding.ecobee.internal.dto.thermostat.LocalDateTimeDeserializer;
37 import org.openhab.binding.ecobee.internal.dto.thermostat.ThermostatDTO;
38 import org.openhab.binding.ecobee.internal.dto.thermostat.ThermostatRequestDTO;
39 import org.openhab.binding.ecobee.internal.dto.thermostat.ThermostatResponseDTO;
40 import org.openhab.binding.ecobee.internal.dto.thermostat.ThermostatUpdateRequestDTO;
41 import org.openhab.binding.ecobee.internal.dto.thermostat.summary.RevisionDTO;
42 import org.openhab.binding.ecobee.internal.dto.thermostat.summary.RevisionDTODeserializer;
43 import org.openhab.binding.ecobee.internal.dto.thermostat.summary.RunningDTO;
44 import org.openhab.binding.ecobee.internal.dto.thermostat.summary.RunningDTODeserializer;
45 import org.openhab.binding.ecobee.internal.dto.thermostat.summary.SummaryResponseDTO;
46 import org.openhab.binding.ecobee.internal.function.FunctionRequest;
47 import org.openhab.binding.ecobee.internal.handler.EcobeeAccountBridgeHandler;
48 import org.openhab.binding.ecobee.internal.util.ExceptionUtils;
49 import org.openhab.core.auth.client.oauth2.AccessTokenRefreshListener;
50 import org.openhab.core.auth.client.oauth2.AccessTokenResponse;
51 import org.openhab.core.auth.client.oauth2.OAuthClientService;
52 import org.openhab.core.auth.client.oauth2.OAuthException;
53 import org.openhab.core.auth.client.oauth2.OAuthFactory;
54 import org.openhab.core.auth.client.oauth2.OAuthResponseException;
55 import org.openhab.core.io.net.http.HttpUtil;
56 import org.slf4j.Logger;
57 import org.slf4j.LoggerFactory;
59 import com.google.gson.Gson;
60 import com.google.gson.GsonBuilder;
61 import com.google.gson.JsonSyntaxException;
64 * The {@link EcobeeApi} is responsible for managing all communication with
65 * the Ecobee API service.
67 * @author Mark Hilbush - Initial contribution
70 public class EcobeeApi implements AccessTokenRefreshListener {
72 private static final Gson GSON = new GsonBuilder().registerTypeAdapter(Instant.class, new InstantDeserializer())
73 .registerTypeAdapter(LocalDateTime.class, new LocalDateTimeDeserializer())
74 .registerTypeAdapter(RevisionDTO.class, new RevisionDTODeserializer())
75 .registerTypeAdapter(RunningDTO.class, new RunningDTODeserializer()).create();
77 private static final String ECOBEE_THERMOSTAT_URL = ECOBEE_BASE_URL + "1/thermostat";
78 private static final String ECOBEE_THERMOSTAT_SUMMARY_URL = ECOBEE_BASE_URL + "1/thermostatSummary";
79 private static final String ECOBEE_THERMOSTAT_UPDATE_URL = ECOBEE_THERMOSTAT_URL + "?format=json";
81 // These errors from the API will require an Ecobee authorization
82 private static final int ECOBEE_TOKEN_EXPIRED = 14;
83 private static final int ECOBEE_DEAUTHORIZED_TOKEN = 16;
84 private static final int TOKEN_EXPIRES_IN_BUFFER_SECONDS = 120;
86 public static final Properties HTTP_HEADERS;
88 HTTP_HEADERS = new Properties();
89 HTTP_HEADERS.put("Content-Type", "application/json;charset=UTF-8");
90 HTTP_HEADERS.put("User-Agent", "openhab-ecobee-api/2.0");
93 public static Gson getGson() {
97 private final Logger logger = LoggerFactory.getLogger(EcobeeApi.class);
99 private final EcobeeAccountBridgeHandler bridgeHandler;
101 private final String apiKey;
102 private int apiTimeout;
103 private final OAuthFactory oAuthFactory;
104 private final HttpClient httpClient;
106 private @NonNullByDefault({}) OAuthClientService oAuthClientService;
107 private @NonNullByDefault({}) EcobeeAuth ecobeeAuth;
109 private @Nullable AccessTokenResponse accessTokenResponse;
111 public EcobeeApi(final EcobeeAccountBridgeHandler bridgeHandler, final String apiKey, final int apiTimeout,
112 org.openhab.core.auth.client.oauth2.OAuthFactory oAuthFactory, HttpClient httpClient) {
113 this.bridgeHandler = bridgeHandler;
114 this.apiKey = apiKey;
115 this.apiTimeout = apiTimeout;
116 this.oAuthFactory = oAuthFactory;
117 this.httpClient = httpClient;
119 createOAuthClientService();
122 public void createOAuthClientService() {
123 String bridgeUID = bridgeHandler.getThing().getUID().getAsString();
124 logger.debug("API: Creating OAuth Client Service for {}", bridgeUID);
125 OAuthClientService service = oAuthFactory.createOAuthClientService(bridgeUID, ECOBEE_TOKEN_URL, null, apiKey,
126 "", ECOBEE_SCOPE, false);
127 service.addAccessTokenRefreshListener(this);
128 ecobeeAuth = new EcobeeAuth(bridgeHandler, apiKey, apiTimeout, service, httpClient);
129 oAuthClientService = service;
132 public void deleteOAuthClientService() {
133 String bridgeUID = bridgeHandler.getThing().getUID().getAsString();
134 logger.debug("API: Deleting OAuth Client Service for {}", bridgeUID);
135 oAuthClientService.removeAccessTokenRefreshListener(this);
136 oAuthFactory.deleteServiceAndAccessToken(bridgeUID);
139 public void closeOAuthClientService() {
140 String bridgeUID = bridgeHandler.getThing().getUID().getAsString();
141 logger.debug("API: Closing OAuth Client Service for {}", bridgeUID);
142 oAuthClientService.removeAccessTokenRefreshListener(this);
143 oAuthFactory.ungetOAuthService(bridgeUID);
147 * Check to see if the Ecobee authorization process is complete. This will be determined
148 * by requesting an AccessTokenResponse from the OHC OAuth service. If we get a valid
149 * response, then assume that the Ecobee authorization process is complete. Otherwise,
150 * start the Ecobee authorization process.
152 private boolean isAuthorized() {
153 boolean isAuthorized = false;
155 AccessTokenResponse localAccessTokenResponse = oAuthClientService.getAccessTokenResponse();
156 if (localAccessTokenResponse != null) {
157 logger.trace("API: Got AccessTokenResponse from OAuth service: {}", localAccessTokenResponse);
158 if (localAccessTokenResponse.isExpired(Instant.now(), TOKEN_EXPIRES_IN_BUFFER_SECONDS)) {
159 logger.debug("API: Token is expiring soon. Refresh it now");
160 localAccessTokenResponse = oAuthClientService.refreshToken();
162 ecobeeAuth.setState(EcobeeAuthState.COMPLETE);
165 logger.debug("API: Didn't get an AccessTokenResponse from OAuth service - doEcobeeAuthorization!!!");
166 if (ecobeeAuth.isComplete()) {
167 ecobeeAuth.setState(EcobeeAuthState.NEED_PIN);
170 accessTokenResponse = localAccessTokenResponse;
171 ecobeeAuth.doAuthorization();
172 } catch (OAuthException | IOException | RuntimeException e) {
173 if (logger.isDebugEnabled()) {
174 logger.warn("API: Got exception trying to get access token from OAuth service", e);
176 logger.warn("API: Got {} trying to get access token from OAuth service: {}",
177 e.getClass().getSimpleName(), e.getMessage());
179 } catch (EcobeeAuthException e) {
180 if (logger.isDebugEnabled()) {
181 logger.warn("API: The Ecobee authorization process threw an exception", e);
183 logger.warn("API: The Ecobee authorization process threw an exception: {}", e.getMessage());
185 ecobeeAuth.setState(EcobeeAuthState.NEED_PIN);
186 } catch (OAuthResponseException e) {
187 handleOAuthException(e);
192 private void handleOAuthException(OAuthResponseException e) {
193 if ("invalid_grant".equalsIgnoreCase(e.getError())) {
194 // Usually indicates that the refresh token is no longer valid and will require reauthorization
195 logger.debug("API: Received 'invalid_grant' error response. Please reauthorize application with Ecobee");
196 deleteOAuthClientService();
197 createOAuthClientService();
199 // Other errors may not require reauthorization and/or may not apply
200 logger.debug("API: Exception getting access token: error='{}', description='{}'", e.getError(),
201 e.getErrorDescription());
206 public void onAccessTokenResponse(AccessTokenResponse accessTokenResponse) {
209 public @Nullable SummaryResponseDTO performThermostatSummaryQuery() {
210 logger.debug("API: Perform thermostat summary query");
211 if (!isAuthorized()) {
214 SelectionDTO selection = new SelectionDTO();
215 selection.selectionType = SelectionType.REGISTERED;
216 selection.includeEquipmentStatus = Boolean.TRUE;
217 String requestJson = GSON.toJson(new ThermostatRequestDTO(selection), ThermostatRequestDTO.class);
218 String response = executeGet(ECOBEE_THERMOSTAT_SUMMARY_URL, requestJson);
219 if (response != null) {
221 SummaryResponseDTO summaryResponse = GSON.fromJson(response, SummaryResponseDTO.class);
222 if (isSuccess(summaryResponse)) {
223 return summaryResponse;
225 } catch (JsonSyntaxException e) {
226 logJSException(e, response);
232 public List<ThermostatDTO> queryRegisteredThermostats() {
233 return performThermostatQuery(null);
236 public List<ThermostatDTO> performThermostatQuery(final @Nullable Set<String> thermostatIds) {
237 logger.debug("API: Perform query on thermostat: '{}'", thermostatIds);
238 if (!isAuthorized()) {
239 return EMPTY_THERMOSTATS;
241 SelectionDTO selection = bridgeHandler.getSelection();
242 selection.setThermostats(thermostatIds);
243 String requestJson = GSON.toJson(new ThermostatRequestDTO(selection), ThermostatRequestDTO.class);
244 String response = executeGet(ECOBEE_THERMOSTAT_URL, requestJson);
245 if (response != null) {
247 ThermostatResponseDTO thermostatsResponse = GSON.fromJson(response, ThermostatResponseDTO.class);
248 if (isSuccess(thermostatsResponse)) {
249 return thermostatsResponse.thermostatList;
251 } catch (JsonSyntaxException e) {
252 logJSException(e, response);
255 return EMPTY_THERMOSTATS;
258 public boolean performThermostatFunction(FunctionRequest request) {
259 logger.debug("API: Perform function on thermostat: '{}'", request.selection.selectionMatch);
260 if (!isAuthorized()) {
263 return executePost(ECOBEE_THERMOSTAT_URL, GSON.toJson(request, FunctionRequest.class));
266 public boolean performThermostatUpdate(ThermostatUpdateRequestDTO request) {
267 logger.debug("API: Perform update on thermostat: '{}'", request.selection.selectionMatch);
268 if (!isAuthorized()) {
271 return executePost(ECOBEE_THERMOSTAT_UPDATE_URL, GSON.toJson(request, ThermostatUpdateRequestDTO.class));
274 private String buildQueryUrl(String baseUrl, String requestJson) {
275 final StringBuilder urlBuilder = new StringBuilder(baseUrl);
276 urlBuilder.append("?json=");
277 urlBuilder.append(URLEncoder.encode(requestJson, StandardCharsets.UTF_8));
278 return urlBuilder.toString();
281 private @Nullable String executeGet(String url, String json) {
282 String response = null;
284 long startTime = System.currentTimeMillis();
285 logger.trace("API: Get Request json is '{}'", json);
286 response = HttpUtil.executeUrl("GET", buildQueryUrl(url, json), setHeaders(), null, null, apiTimeout);
287 logger.trace("API: Response took {} msec: {}", System.currentTimeMillis() - startTime, response);
288 } catch (IOException e) {
290 } catch (EcobeeAuthException e) {
291 logger.debug("API: Unable to execute GET: {}", e.getMessage());
296 private boolean executePost(String url, String json) {
298 logger.trace("API: Post request json is '{}'", json);
299 long startTime = System.currentTimeMillis();
300 String response = HttpUtil.executeUrl("POST", url, setHeaders(), new ByteArrayInputStream(json.getBytes()),
301 "application/json", apiTimeout);
302 logger.trace("API: Response took {} msec: {}", System.currentTimeMillis() - startTime, response);
304 ThermostatResponseDTO thermostatsResponse = GSON.fromJson(response, ThermostatResponseDTO.class);
305 return isSuccess(thermostatsResponse);
306 } catch (JsonSyntaxException e) {
307 logJSException(e, response);
309 } catch (IOException e) {
311 } catch (EcobeeAuthException e) {
312 logger.debug("API: Unable to execute POST: {}", e.getMessage());
317 private void logIOException(Exception e) {
318 Throwable rootCause = ExceptionUtils.getRootThrowable(e);
319 if (rootCause instanceof TimeoutException || rootCause instanceof EOFException) {
320 // These are "normal" errors and should be logged as DEBUG
321 logger.debug("API: Call to Ecobee API failed with exception: {}: {}", rootCause.getClass().getSimpleName(),
322 rootCause.getMessage());
324 // What's left are unexpected errors that should be logged as WARN with a full stack trace
325 logger.warn("API: Call to Ecobee API failed", e);
329 private void logJSException(Exception e, String response) {
330 // The API sometimes returns an HTML page complaining of an SSL error
331 logger.debug("API: JsonSyntaxException parsing response: {}", response, e);
334 private boolean isSuccess(@Nullable AbstractResponseDTO response) {
335 if (response == null) {
336 logger.debug("API: Ecobee API returned null response");
337 } else if (response.status.code.intValue() != 0) {
338 logger.debug("API: Ecobee API returned unsuccessful status: code={}, message={}", response.status.code,
339 response.status.message);
340 if (response.status.code == ECOBEE_DEAUTHORIZED_TOKEN) {
341 // Token has been deauthorized, so restart the authorization process from the beginning
342 logger.warn("API: Reset OAuth Client Service due to deauthorized token");
343 deleteOAuthClientService();
344 createOAuthClientService();
345 } else if (response.status.code == ECOBEE_TOKEN_EXPIRED) {
346 // Check isAuthorized again to see if we can get a valid token
347 logger.debug("API: Unable to complete API call because token is expired");
348 if (isAuthorized()) {
351 logger.debug("API: isAuthorized was NOT successful on second try");
360 private Properties setHeaders() throws EcobeeAuthException {
361 AccessTokenResponse atr = accessTokenResponse;
363 throw new EcobeeAuthException("Can not set auth header because access token is null");
365 Properties headers = new Properties();
366 headers.putAll(HTTP_HEADERS);
367 headers.put("Authorization", "Bearer " + atr.getAccessToken());