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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.vizio.internal.communication;
  14
  15 import java.net.MalformedURLException;
  16 import java.security.cert.CertificateException;
  17
  18 import javax.net.ssl.X509ExtendedTrustManager;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.openhab.core.io.net.http.PEMTrustManager;
  22 import org.openhab.core.io.net.http.TlsTrustManagerProvider;
  23 import org.openhab.core.io.net.http.TrustAllTrustManager;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 /**
  28  * Provides a {@link PEMTrustManager} to allow secure connections to a Vizio TV that uses self signed
  29  * certificates.
  30  *
  31  * @author Christoph Weitkamp - Initial Contribution
  32  * @author Michael Lobstein - Adapted for Vizio binding
  33  */
  34 @NonNullByDefault
  35 public class VizioTlsTrustManagerProvider implements TlsTrustManagerProvider {
  36     private final String hostname;
  37
  38     private final Logger logger = LoggerFactory.getLogger(VizioTlsTrustManagerProvider.class);
  39
  40     public VizioTlsTrustManagerProvider(String hostname) {
  41         this.hostname = hostname;
  42     }
  43
  44     @Override
  45     public String getHostName() {
  46         return hostname;
  47     }
  48
  49     @Override
  50     public X509ExtendedTrustManager getTrustManager() {
  51         try {
  52             logger.trace("Use self-signed certificate downloaded from Vizio TV.");
  53             return PEMTrustManager.getInstanceFromServer("https://" + getHostName());
  54         } catch (CertificateException | MalformedURLException e) {
  55             logger.debug("An unexpected exception occurred - returning a TrustAllTrustManager: {}", e.getMessage(), e);
  56         }
  57         return TrustAllTrustManager.getInstance();
  58     }
  59 }