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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   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
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.shelly.internal.discovery;
  14
  15 import static org.openhab.binding.shelly.internal.ShellyBindingConstants.*;
  16 import static org.openhab.binding.shelly.internal.util.ShellyUtils.*;
  17 import static org.openhab.core.thing.Thing.PROPERTY_MODEL_ID;
  18
  19 import java.io.IOException;
  20 import java.net.Inet4Address;
  21 import java.util.Map;
  22 import java.util.Set;
  23 import java.util.TreeMap;
  24
  25 import javax.jmdns.ServiceInfo;
  26
  27 import org.eclipse.jdt.annotation.NonNullByDefault;
  28 import org.eclipse.jdt.annotation.Nullable;
  29 import org.eclipse.jetty.client.HttpClient;
  30 import org.openhab.binding.shelly.internal.api.ShellyApiException;
  31 import org.openhab.binding.shelly.internal.api.ShellyApiInterface;
  32 import org.openhab.binding.shelly.internal.api.ShellyApiResult;
  33 import org.openhab.binding.shelly.internal.api.ShellyDeviceProfile;
  34 import org.openhab.binding.shelly.internal.api1.Shelly1ApiJsonDTO.ShellySettingsDevice;
  35 import org.openhab.binding.shelly.internal.api1.Shelly1HttpApi;
  36 import org.openhab.binding.shelly.internal.api2.Shelly2ApiRpc;
  37 import org.openhab.binding.shelly.internal.config.ShellyBindingConfiguration;
  38 import org.openhab.binding.shelly.internal.config.ShellyThingConfiguration;
  39 import org.openhab.binding.shelly.internal.handler.ShellyBaseHandler;
  40 import org.openhab.binding.shelly.internal.provider.ShellyTranslationProvider;
  41 import org.openhab.core.config.discovery.DiscoveryResult;
  42 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  43 import org.openhab.core.config.discovery.mdns.MDNSDiscoveryParticipant;
  44 import org.openhab.core.i18n.LocaleProvider;
  45 import org.openhab.core.io.net.http.HttpClientFactory;
  46 import org.openhab.core.thing.ThingTypeUID;
  47 import org.openhab.core.thing.ThingUID;
  48 import org.osgi.service.cm.Configuration;
  49 import org.osgi.service.cm.ConfigurationAdmin;
  50 import org.osgi.service.component.ComponentContext;
  51 import org.osgi.service.component.annotations.Activate;
  52 import org.osgi.service.component.annotations.Component;
  53 import org.osgi.service.component.annotations.Modified;
  54 import org.osgi.service.component.annotations.Reference;
  55 import org.slf4j.Logger;
  56 import org.slf4j.LoggerFactory;
  57
  58 /**
  59  * This class identifies Shelly devices by their mDNS service information.
  60  *
  61  * @author Markus Michels - Initial contribution
  62  */
  63 @NonNullByDefault
  64 @Component(service = MDNSDiscoveryParticipant.class)
  65 public class ShellyDiscoveryParticipant implements MDNSDiscoveryParticipant {
  66     private final Logger logger = LoggerFactory.getLogger(ShellyDiscoveryParticipant.class);
  67     private final ShellyBindingConfiguration bindingConfig = new ShellyBindingConfiguration();
  68     private final ShellyTranslationProvider messages;
  69     private final HttpClient httpClient;
  70     private final ConfigurationAdmin configurationAdmin;
  71
  72     @Activate
  73     public ShellyDiscoveryParticipant(@Reference ConfigurationAdmin configurationAdmin,
  74             @Reference HttpClientFactory httpClientFactory, @Reference LocaleProvider localeProvider,
  75             @Reference ShellyTranslationProvider translationProvider, ComponentContext componentContext) {
  76         logger.debug("Activating ShellyDiscovery service");
  77         this.configurationAdmin = configurationAdmin;
  78         this.messages = translationProvider;
  79         this.httpClient = httpClientFactory.getCommonHttpClient();
  80         bindingConfig.updateFromProperties(componentContext.getProperties());
  81     }
  82
  83     @Override
  84     public Set<ThingTypeUID> getSupportedThingTypeUIDs() {
  85         return SUPPORTED_THING_TYPES_UIDS;
  86     }
  87
  88     @Override
  89     public String getServiceType() {
  90         return SERVICE_TYPE;
  91     }
  92
  93     /**
  94      * Process updates to Binding Config
  95      *
  96      * @param componentContext
  97      */
  98     @Modified
  99     protected void modified(final ComponentContext componentContext) {
 100         logger.debug("Shelly Binding Configuration refreshed");
 101         bindingConfig.updateFromProperties(componentContext.getProperties());
 102     }
 103
 104     @Nullable
 105     @Override
 106     public DiscoveryResult createResult(final ServiceInfo service) {
 107         String name = service.getName().toLowerCase(); // Shelly Duo: Name starts with" Shelly" rather than "shelly"
 108         if (!name.startsWith("shelly")) {
 109             return null;
 110         }
 111
 112         String address = "";
 113         try {
 114             String mode = "";
 115             String model = "unknown";
 116             String deviceName = "";
 117             ThingUID thingUID = null;
 118             ShellyDeviceProfile profile;
 119             Map<String, Object> properties = new TreeMap<>();
 120
 121             name = service.getName().toLowerCase();
 122             Inet4Address[] hostAddresses = service.getInet4Addresses();
 123             if ((hostAddresses != null) && (hostAddresses.length > 0)) {
 124                 address = substringAfter(hostAddresses[0].toString(), "/");
 125             }
 126             if (address.isEmpty()) {
 127                 logger.trace("{}: Shelly device discovered with empty IP address (service-name={})", name, service);
 128                 return null;
 129             }
 130             String thingType = service.getQualifiedName().contains(SERVICE_TYPE) && name.contains("-")
 131                     ? substringBeforeLast(name, "-")
 132                     : name;
 133             logger.debug("{}: Shelly device discovered: IP-Adress={}, type={}", name, address, thingType);
 134
 135             // Get device settings
 136             Configuration serviceConfig = configurationAdmin.getConfiguration("binding.shelly");
 137             if (serviceConfig.getProperties() != null) {
 138                 bindingConfig.updateFromProperties(serviceConfig.getProperties());
 139             }
 140
 141             ShellyThingConfiguration config = new ShellyThingConfiguration();
 142             config.deviceIp = address;
 143             config.userId = bindingConfig.defaultUserId;
 144             config.password = bindingConfig.defaultPassword;
 145
 146             boolean gen2 = "2".equals(service.getPropertyString("gen"));
 147             ShellyApiInterface api = null;
 148             ShellySettingsDevice devInfo;
 149             try {
 150                 api = gen2 ? new Shelly2ApiRpc(name, config, httpClient) : new Shelly1HttpApi(name, config, httpClient);
 151                 api.initialize();
 152                 devInfo = api.getDeviceInfo();
 153                 model = devInfo.type;
 154                 if (devInfo.name != null) {
 155                     deviceName = devInfo.name;
 156                 }
 157                 profile = api.getDeviceProfile(thingType, devInfo);
 158                 api.close();
 159                 logger.debug("{}: Shelly settings : {}", name, profile.settingsJson);
 160                 deviceName = profile.name;
 161                 mode = devInfo.mode;
 162                 properties = ShellyBaseHandler.fillDeviceProperties(profile);
 163                 logger.trace("{}: thingType={}, deviceType={}, mode={}, symbolic name={}", name, thingType,
 164                         devInfo.type, mode.isEmpty() ? "<standard>" : mode, deviceName);
 165
 166                 // get thing type from device name
 167                 thingUID = ShellyThingCreator.getThingUID(name, model, mode, false);
 168             } catch (ShellyApiException e) {
 169                 ShellyApiResult result = e.getApiResult();
 170                 if (result.isHttpAccessUnauthorized()) {
 171                     logger.info("{}: {}", name, messages.get("discovery.protected", address));
 172
 173                     // create shellyunknown thing - will be changed during thing initialization with valid credentials
 174                     thingUID = ShellyThingCreator.getThingUID(name, model, mode, true);
 175                 } else {
 176                     logger.debug("{}: {}", name, messages.get("discovery.failed", address, e.toString()));
 177                 }
 178             } catch (IllegalArgumentException e) { // maybe some format description was buggy
 179                 logger.debug("{}: Discovery failed!", name, e);
 180             } finally {
 181                 if (api != null) {
 182                     api.close();
 183                 }
 184             }
 185
 186             if (thingUID != null) {
 187                 addProperty(properties, CONFIG_DEVICEIP, address);
 188                 addProperty(properties, PROPERTY_MODEL_ID, model);
 189                 addProperty(properties, PROPERTY_SERVICE_NAME, name);
 190                 addProperty(properties, PROPERTY_DEV_NAME, deviceName);
 191                 addProperty(properties, PROPERTY_DEV_TYPE, thingType);
 192                 addProperty(properties, PROPERTY_DEV_GEN, gen2 ? "2" : "1");
 193                 addProperty(properties, PROPERTY_DEV_MODE, mode);
 194
 195                 logger.debug("{}: Adding Shelly {}, UID={}", name, deviceName, thingUID.getAsString());
 196                 String thingLabel = deviceName.isEmpty() ? name + " - " + address
 197                         : deviceName + " (" + name + "@" + address + ")";
 198                 return DiscoveryResultBuilder.create(thingUID).withProperties(properties).withLabel(thingLabel)
 199                         .withRepresentationProperty(PROPERTY_SERVICE_NAME).build();
 200             }
 201         } catch (IOException | NullPointerException e) {
 202             // maybe some format description was buggy
 203             logger.debug("{}: Exception on processing serviceInfo '{}'", name, service.getNiceTextString(), e);
 204         }
 205         return null;
 206     }
 207
 208     private void addProperty(Map<String, Object> properties, String key, @Nullable String value) {
 209         properties.put(key, value != null ? value : "");
 210     }
 211
 212     @Nullable
 213     @Override
 214     public ThingUID getThingUID(@Nullable ServiceInfo service) throws IllegalArgumentException {
 215         logger.debug("ServiceInfo {}", service);
 216         if (service == null) {
 217             throw new IllegalArgumentException("service must not be null!");
 218         }
 219         String serviceName = service.getName();
 220         if (serviceName == null) {
 221             throw new IllegalArgumentException("serviceName must not be null!");
 222         }
 223         serviceName = serviceName.toLowerCase();
 224         if (!serviceName.contains(VENDOR.toLowerCase())) {
 225             logger.debug("Not a " + VENDOR + " device!");
 226             return null;
 227         }
 228         return ShellyThingCreator.getThingUID(serviceName, "", "", false);
 229     }
 230 }