content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.camel.quarkus.component.http.netty;
  
  import java.io.ByteArrayInputStream;
  import java.io.IOException;
  import java.net.HttpURLConnection;
  import java.net.InetSocketAddress;
  import java.net.Proxy;
  import java.net.URL;
  import java.nio.charset.StandardCharsets;
  import java.util.Base64;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.zip.GZIPInputStream;
  
  import io.netty.handler.codec.http.FullHttpResponse;
  import jakarta.enterprise.context.ApplicationScoped;
  import jakarta.ws.rs.Consumes;
  import jakarta.ws.rs.GET;
  import jakarta.ws.rs.POST;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.PathParam;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.QueryParam;
  import jakarta.ws.rs.core.MediaType;
  import jakarta.ws.rs.core.Response;
  import org.apache.camel.Exchange;
  import org.apache.camel.component.netty.http.NettyHttpMessage;
  import org.apache.camel.quarkus.component.http.common.AbstractHttpResource;
  import org.apache.camel.util.IOHelper;
  
  @Path("/test/client/netty-http")
  @ApplicationScoped
  public class NettyHttpResource extends AbstractHttpResource {
      @Override
      @Path("/get")
      @GET
      @Produces(MediaType.TEXT_PLAIN)
      public String httpGet(@QueryParam("test-port") int port) {
          return producerTemplate
                  .toF("netty-http:http://localhost:%d/service/common/get?bridgeEndpoint=true", port)
                  .withHeader(Exchange.HTTP_METHOD, "GET")
                  .request(String.class);
      }
  
      @Override
      @Path("/post")
      @POST
      @Consumes(MediaType.TEXT_PLAIN)
      @Produces(MediaType.TEXT_PLAIN)
      public String httpPost(@QueryParam("test-port") int port, String message) {
          return producerTemplate
                  .toF("netty-http:http://localhost:%d/service/common/toUpper?bridgeEndpoint=true", port)
                  .withBody(message)
                  .withHeader(Exchange.CONTENT_TYPE, MediaType.TEXT_PLAIN)
                  .withHeader(Exchange.HTTP_METHOD, "POST")
                  .request(String.class);
      }
  
      @Override
      @Path("/auth/basic")
      @GET
      @Produces(MediaType.TEXT_PLAIN)
      public Response basicAuth(@QueryParam("test-port") int port, @QueryParam("username") String username,
              @QueryParam("password") String password) {
          String credentials = username + ":" + password;
          String encoded = Base64.getEncoder().encodeToString(credentials.getBytes(StandardCharsets.UTF_8));
          Exchange result = producerTemplate
                  .withHeader(Exchange.HTTP_QUERY, "component=netty-http")
                  .withHeader("Authorization", "Basic " + encoded)
                  .toF("netty-http:http://localhost:%d/test/client/netty-http/auth/basic/secured?throwExceptionOnFailure=false",
                          port)
                  .send();
  
          Integer status = result.getMessage().getHeader(Exchange.HTTP_RESPONSE_CODE, Integer.class);
          String body = result.getMessage().getBody(String.class);
          return Response.status(status).entity(body).build();
      }
  
      @Override
      @Path("/proxy")
      @GET
      @Produces(MediaType.APPLICATION_XML)
      public String httpProxy() {
          String url = String.format(PROXIED_URL, "netty-http");
          return producerTemplate
                  .withHeader(Exchange.HTTP_QUERY, "component=netty-http")
                  .toF("netty-http:%s?clientInitializerFactory=#proxyCapableClientInitializerFactory", url)
                  .request(String.class);
      }
  
      @Path("/compression")
      @GET
      @Produces(MediaType.TEXT_PLAIN)
      public String compression(@QueryParam("test-port") int port) throws IOException {
          byte[] compressed = producerTemplate
                  .toF("netty-http:http://localhost:%d/compressed", port)
                  .withHeader("Accept-Encoding", "gzip, deflate")
                  .request(byte[].class);
  
          try (GZIPInputStream inputStream = new GZIPInputStream(new ByteArrayInputStream(compressed))) {
              return IOHelper.loadText(inputStream).trim();
          }
      }
  
      @Path("/serialized/exception")
      @GET
      @Produces(MediaType.TEXT_PLAIN)
      public String nettyHttpSerializedException(@QueryParam("test-port") int port) {
          Exchange exchange = producerTemplate
                  .toF("netty-http:http://localhost:%d/test/server/serialized/exception?transferException=true", port)
                  .withHeader(Exchange.HTTP_METHOD, "GET")
                  .send();
          return exchange.getException().getClass().getName();
      }
  
      @GET
      @Path("/getRequest/{method}/{hName}/{hValue}/{body}")
      public String getRequest(@PathParam("method") String method, @PathParam("hName") String headerName,
              @PathParam("hValue") String headerValue,
              @PathParam("body") String body,
              @QueryParam("test-port") int port) {
          return producerTemplate.toF("netty-http:http://localhost:%d/request", port)
                  .withHeaders(Map.of(Exchange.HTTP_METHOD, method, headerName, headerValue))
                  .withBody(body)
                  .request(String.class);
      }
  
      @GET
      @Path("/getResponse/{message}")
      public String getResponse(@PathParam("message") String message, @QueryParam("test-port") int port) {
          Exchange exchange = producerTemplate.toF("netty-http:http://localhost:%d/response", port)
                  .withBody(message)
                  .send();
          FullHttpResponse response = exchange.getIn().getBody(NettyHttpMessage.class).getHttpResponse();
          String received = exchange.getIn().getBody(String.class);
          return received + ": " + response.status().reasonPhrase() + " " + response.status().code();
      }
  
      @GET
      @Path("/wildcard/{path}")
      public String wildcard(@PathParam("path") String path, @QueryParam("test-port") int port) {
          return producerTemplate.toF("netty-http:http://localhost:%d/%s", port, path)
                  .withHeader(Exchange.HTTP_METHOD, "GET")
                  .request(String.class);
      }
  
      @GET
      @Path("/consumer-proxy")
      public String proxy(@QueryParam("test-port") int port, @QueryParam("proxy-port") int proxyPort) {
          final Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("localhost", proxyPort));
          final String url = "http://localhost:" + port + "/proxy";
  
          try {
              final HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection(proxy);
              return new String(connection.getInputStream().readAllBytes());
          } catch (IOException e) {
              throw new RuntimeException(e);
          }
      }
  
      @GET
      @Path("/auth/{path}/{user}/{password}")
      public Response auth(@QueryParam("test-port") int port, @PathParam("path") String path, @PathParam("user") String user,
              @PathParam("password") String password) {
          final Exchange exchange = producerTemplate.toF("netty-http:http://localhost:%d/%s", port, path)
                  .withHeaders(getAuthHeaders(user, password))
                  .send();
  
          return Response.status(exchange.getIn().getHeader(Exchange.HTTP_RESPONSE_CODE, Integer.class)).build();
      }
  
      @GET
      @Path("/rest/{method}")
      public String rest(@QueryParam("rest-port") int port, @PathParam("method") String method) {
          return producerTemplate.toF("netty-http:http://localhost:%d/rest", port)
                  .withHeader(Exchange.HTTP_METHOD, method)
                  .request(String.class);
      }
  
      @GET
      @Path("/rest/pojo/{type}")
      public String restPojo(@QueryParam("rest-port") int port, @PathParam("type") String type) {
          final String body;
          final String contentType;
          if ("json".equals(type)) {
              body = "{\"firstName\":\"John\", \"lastName\":\"Doe\"}";
              contentType = "application/json";
          } else {
              body = "<user firstName=\"John\" lastName=\"Doe\"/>";
              contentType = "text/xml";
          }
          return producerTemplate.toF("netty-http:http://localhost:%d/rest/%s", port, type)
                  .withBody(body)
                  .withHeaders(Map.of(Exchange.HTTP_METHOD, "POST", "Content-Type", contentType))
                  .request(String.class);
      }
  
      @GET
      @Path("/jaas/{user}/{password}")
      public Response auth(@QueryParam("test-port") int port, @PathParam("user") String user,
              @PathParam("password") String password) {
          final Exchange exchange = producerTemplate
                  .toF("netty-http:http://localhost:%d/jaas", port)
                  .withHeaders(getAuthHeaders(user, password))
                  .send();
  
          return Response.status(exchange.getIn().getHeader(Exchange.HTTP_RESPONSE_CODE, Integer.class)).build();
      }
  
      private Map<String, Object> getAuthHeaders(String user, String password) {
          Map<String, Object> headers = new HashMap<>();
          headers.put(Exchange.HTTP_METHOD, "GET");
          if (!"null".equals(user)) {
              headers.put("Authorization", "Basic " + Base64.getEncoder().encodeToString((user + ":" + password).getBytes()));
          }
          return headers;
      }
  }
  