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   1 /**
   2  * Copyright (c) 2010-2022 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.freebox.internal;
  14
  15 import java.util.Dictionary;
  16 import java.util.Hashtable;
  17 import java.util.Map;
  18 import java.util.Set;
  19 import java.util.concurrent.ConcurrentHashMap;
  20 import java.util.stream.Collectors;
  21 import java.util.stream.Stream;
  22
  23 import org.eclipse.jdt.annotation.NonNullByDefault;
  24 import org.eclipse.jdt.annotation.Nullable;
  25 import org.openhab.binding.freebox.internal.handler.FreeboxHandler;
  26 import org.openhab.binding.freebox.internal.handler.FreeboxThingHandler;
  27 import org.openhab.core.audio.AudioHTTPServer;
  28 import org.openhab.core.audio.AudioSink;
  29 import org.openhab.core.config.core.Configuration;
  30 import org.openhab.core.i18n.TimeZoneProvider;
  31 import org.openhab.core.net.HttpServiceUtil;
  32 import org.openhab.core.net.NetworkAddressService;
  33 import org.openhab.core.thing.Bridge;
  34 import org.openhab.core.thing.Thing;
  35 import org.openhab.core.thing.ThingTypeUID;
  36 import org.openhab.core.thing.ThingUID;
  37 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  38 import org.openhab.core.thing.binding.ThingHandler;
  39 import org.openhab.core.thing.binding.ThingHandlerFactory;
  40 import org.osgi.framework.ServiceRegistration;
  41 import org.osgi.service.component.ComponentContext;
  42 import org.osgi.service.component.annotations.Activate;
  43 import org.osgi.service.component.annotations.Component;
  44 import org.osgi.service.component.annotations.Reference;
  45 import org.slf4j.Logger;
  46 import org.slf4j.LoggerFactory;
  47
  48 /**
  49  * The {@link FreeboxHandlerFactory} is responsible for creating things and thing
  50  * handlers.
  51  *
  52  * @author Gaël L'hopital - Initial contribution
  53  * @author Laurent Garnier - several thing types and handlers + discovery service
  54  */
  55 @NonNullByDefault
  56 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.freebox")
  57 public class FreeboxHandlerFactory extends BaseThingHandlerFactory {
  58
  59     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Stream
  60             .concat(FreeboxBindingConstants.SUPPORTED_BRIDGE_TYPES_UIDS.stream(),
  61                     FreeboxBindingConstants.SUPPORTED_THING_TYPES_UIDS.stream())
  62             .collect(Collectors.toSet());
  63
  64     private final Logger logger = LoggerFactory.getLogger(FreeboxHandlerFactory.class);
  65
  66     private final Map<ThingUID, ServiceRegistration<AudioSink>> audioSinkRegistrations = new ConcurrentHashMap<>();
  67
  68     private final AudioHTTPServer audioHTTPServer;
  69     private final NetworkAddressService networkAddressService;
  70     private final TimeZoneProvider timeZoneProvider;
  71
  72     // url (scheme+server+port) to use for playing notification sounds
  73     private @Nullable String callbackUrl;
  74
  75     @Activate
  76     public FreeboxHandlerFactory(final @Reference AudioHTTPServer audioHTTPServer,
  77             final @Reference NetworkAddressService networkAddressService,
  78             final @Reference TimeZoneProvider timeZoneProvider) {
  79         this.audioHTTPServer = audioHTTPServer;
  80         this.networkAddressService = networkAddressService;
  81         this.timeZoneProvider = timeZoneProvider;
  82     }
  83
  84     @Override
  85     protected void activate(ComponentContext componentContext) {
  86         super.activate(componentContext);
  87         Dictionary<String, Object> properties = componentContext.getProperties();
  88         callbackUrl = (String) properties.get("callbackUrl");
  89     }
  90
  91     @Override
  92     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  93         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  94     }
  95
  96     @Override
  97     public @Nullable Thing createThing(ThingTypeUID thingTypeUID, Configuration configuration,
  98             @Nullable ThingUID thingUID, @Nullable ThingUID bridgeUID) {
  99         if (thingTypeUID.equals(FreeboxBindingConstants.FREEBOX_BRIDGE_TYPE_SERVER)) {
 100             return super.createThing(thingTypeUID, configuration, thingUID, null);
 101         } else if (FreeboxBindingConstants.SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID)) {
 102             ThingUID newThingUID;
 103             if (bridgeUID != null && thingUID != null) {
 104                 newThingUID = new ThingUID(thingTypeUID, bridgeUID, thingUID.getId());
 105             } else {
 106                 newThingUID = thingUID;
 107             }
 108             return super.createThing(thingTypeUID, configuration, newThingUID, bridgeUID);
 109         }
 110         throw new IllegalArgumentException(
 111                 "The thing type " + thingTypeUID + " is not supported by the Freebox binding.");
 112     }
 113
 114     @Override
 115     protected @Nullable ThingHandler createHandler(Thing thing) {
 116         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
 117
 118         if (thingTypeUID.equals(FreeboxBindingConstants.FREEBOX_BRIDGE_TYPE_SERVER)) {
 119             return new FreeboxHandler((Bridge) thing);
 120         } else if (FreeboxBindingConstants.SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID)) {
 121             FreeboxThingHandler handler = new FreeboxThingHandler(thing, timeZoneProvider);
 122             if (FreeboxBindingConstants.FREEBOX_THING_TYPE_AIRPLAY.equals(thingTypeUID)) {
 123                 registerAudioSink(handler);
 124             }
 125             return handler;
 126         }
 127
 128         return null;
 129     }
 130
 131     @Override
 132     protected void removeHandler(ThingHandler thingHandler) {
 133         if (thingHandler instanceof FreeboxThingHandler) {
 134             unregisterAudioSink(thingHandler.getThing());
 135         }
 136     }
 137
 138     private synchronized void registerAudioSink(FreeboxThingHandler thingHandler) {
 139         String callbackUrl = createCallbackUrl();
 140         FreeboxAirPlayAudioSink audioSink = new FreeboxAirPlayAudioSink(thingHandler, audioHTTPServer, callbackUrl);
 141         @SuppressWarnings("unchecked")
 142         ServiceRegistration<AudioSink> reg = (ServiceRegistration<AudioSink>) bundleContext
 143                 .registerService(AudioSink.class.getName(), audioSink, new Hashtable<>());
 144         audioSinkRegistrations.put(thingHandler.getThing().getUID(), reg);
 145     }
 146
 147     private synchronized void unregisterAudioSink(Thing thing) {
 148         ServiceRegistration<AudioSink> reg = audioSinkRegistrations.remove(thing.getUID());
 149         if (reg != null) {
 150             reg.unregister();
 151         }
 152     }
 153
 154     private @Nullable String createCallbackUrl() {
 155         if (callbackUrl != null) {
 156             return callbackUrl;
 157         } else {
 158             String ipAddress = networkAddressService.getPrimaryIpv4HostAddress();
 159             if (ipAddress == null) {
 160                 logger.warn("No network interface could be found.");
 161                 return null;
 162             }
 163
 164             // we do not use SSL as it can cause certificate validation issues.
 165             int port = HttpServiceUtil.getHttpServicePort(bundleContext);
 166             if (port == -1) {
 167                 logger.warn("Cannot find port of the http service.");
 168                 return null;
 169             }
 170
 171             return "http://" + ipAddress + ":" + port;
 172         }
 173     }
 174 }