git.basschouten.com Git - openhab-addons.git/blob

   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.remoteopenhab.internal.rest;
  14
  15 import java.io.IOException;
  16 import java.util.concurrent.ConcurrentHashMap;
  17
  18 import javax.ws.rs.client.ClientRequestContext;
  19 import javax.ws.rs.client.ClientRequestFilter;
  20 import javax.ws.rs.core.HttpHeaders;
  21 import javax.ws.rs.core.MultivaluedMap;
  22
  23 import org.eclipse.jdt.annotation.NonNullByDefault;
  24 import org.eclipse.jdt.annotation.Nullable;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 /**
  29  * Inserts Authorization and Cache-Control headers for requests on the streaming REST API.
  30  *
  31  * @author Laurent Garnier - Initial contribution
  32  */
  33 @NonNullByDefault
  34 public class RemoteopenhabStreamingRequestFilter implements ClientRequestFilter {
  35
  36     private final Logger logger = LoggerFactory.getLogger(RemoteopenhabStreamingRequestFilter.class);
  37
  38     private final ConcurrentHashMap<String, String> credentialTokens = new ConcurrentHashMap<>();
  39
  40     @Override
  41     public void filter(@Nullable ClientRequestContext requestContext) throws IOException {
  42         if (requestContext != null) {
  43             MultivaluedMap<String, Object> headers = requestContext.getHeaders();
  44             String credentialToken = credentialTokens.get(requestContext.getUri().toString());
  45             if (credentialToken != null) {
  46                 if (!credentialToken.isEmpty()) {
  47                     headers.putSingle(HttpHeaders.AUTHORIZATION, "Basic " + credentialToken);
  48                 }
  49             } else {
  50                 logger.warn("No credential token set! uri={}", requestContext.getUri());
  51             }
  52             headers.putSingle(HttpHeaders.CACHE_CONTROL, "no-cache");
  53         }
  54     }
  55
  56     public void setCredentialToken(String target, String token) {
  57         logger.debug("Set credential token. target={}, token={}", target, token);
  58         credentialTokens.put(target, token);
  59     }
  60 }