/*
* Copyright 2012 The Netty Project
*
* The Netty Project 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 io.netty.example.http.snoop;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.http.ClientCookieEncoder;
import io.netty.handler.codec.http.DefaultCookie;
import io.netty.handler.codec.http.DefaultFullHttpRequest;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpHeaderValues;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
import java.net.URI;
/**
* A simple HTTP client that prints out the content of the HTTP response to
* {@link System#out} to test {@link HttpSnoopServer}.
*/
public final class HttpSnoopClient {
static final String URL = System.getProperty("url", "http://127.0.0.1:8080/");
public static void main(String[] args) throws Exception {
URI uri = new URI(URL);
String scheme = uri.getScheme() == null? "http" : uri.getScheme();
String host = uri.getHost() == null? "127.0.0.1" : uri.getHost();
int port = uri.getPort();
if (port == -1) {
if ("http".equalsIgnoreCase(scheme)) {
port = 80;
} else if ("https".equalsIgnoreCase(scheme)) {
port = 443;
}
}
if (!"http".equalsIgnoreCase(scheme) && !"https".equalsIgnoreCase(scheme)) {
System.err.println("Only HTTP(S) is supported.");
return;
}
// Configure SSL context if necessary.
final boolean ssl = "https".equalsIgnoreCase(scheme);
final SslContext sslCtx;
if (ssl) {
sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
} else {
sslCtx = null;
}
// Configure the client.
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.handler(new HttpSnoopClientInitializer(sslCtx));
// Make the connection attempt.
Channel ch = b.connect(host, port).sync().channel();
// Prepare the HTTP request.
HttpRequest request = new DefaultFullHttpRequest(
HttpVersion.HTTP_1_1, HttpMethod.GET, uri.getRawPath());
request.headers().set(HttpHeaderNames.HOST, host);
request.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);
request.headers().set(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);
// Set some example cookies.
request.headers().set(
HttpHeaderNames.COOKIE,
ClientCookieEncoder.encode(
new DefaultCookie("my-cookie", "foo"),
new DefaultCookie("another-cookie", "bar")));
// Send the HTTP request.
ch.writeAndFlush(request);
// Wait for the server to close the connection.
ch.closeFuture().sync();
} finally {
// Shut down executor threads to exit.
group.shutdownGracefully();
}
}
}