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2031 lines
76 KiB
2031 lines
76 KiB
// httpc.java
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// -------------------------------------
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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// last major change: 26.02.2004
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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package de.anomic.http;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.PushbackInputStream;
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import java.lang.Math;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.MalformedURLException;
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import java.net.Socket;
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import java.net.SocketException;
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import java.net.URL;
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import java.net.UnknownHostException;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Date;
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import java.util.Enumeration;
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import java.util.GregorianCalendar;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import java.util.Set;
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import java.util.TimeZone;
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import java.util.zip.GZIPInputStream;
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import java.util.zip.GZIPOutputStream;
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import javax.net.ssl.HostnameVerifier;
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import javax.net.ssl.HttpsURLConnection;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLSocketFactory;
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import javax.net.ssl.TrustManager;
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import javax.net.ssl.X509TrustManager;
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import de.anomic.kelondro.kelondroBase64Order;
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import de.anomic.kelondro.kelondroMScoreCluster;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.server.serverByteBuffer;
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import de.anomic.server.serverCore;
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import de.anomic.server.serverObjects;
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import de.anomic.server.logging.serverLog;
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import org.apache.commons.pool.impl.GenericObjectPool;
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/**
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* This class implements an http client. While http access is built-in in java
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* libraries, it is still necessary to implement the network interface since
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* otherwise there is no access to the HTTP/1.0 / HTTP/1.1 header information
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* that comes along each connection.
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* FIXME: Add some information about the usage of the threadpool.
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*/
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public final class httpc {
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// some constants
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/**
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* Specifies that the httpc is allowed to use gzip content encoding for
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* http post requests
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* @see #POST(String, httpHeader, serverObjects, HashMap)
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*/
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public static final String GZIP_POST_BODY = "GZIP_POST_BODY";
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// statics
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private static final String vDATE = "20040602";
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public static String userAgent;
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private static final int terminalMaxLength = 30000;
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private static final TimeZone GMTTimeZone = TimeZone.getTimeZone("GMT");
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/**
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* This string is initialized on loading of this class and contains
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* information about the current OS.
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*/
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public static String systemOST;
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// --- The GMT standard date format used in the HTTP protocol
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private static final SimpleDateFormat HTTPGMTFormatter = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.US);
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static {
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HTTPGMTFormatter.setTimeZone(GMTTimeZone);
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}
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static final HashMap reverseMappingCache = new HashMap();
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// the dns cache
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private static final Map nameCacheHit = Collections.synchronizedMap(new HashMap()); // a not-synchronized map resulted in deadlocks
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private static final kelondroMScoreCluster nameCacheAges = new kelondroMScoreCluster();
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private static final long startTime = System.currentTimeMillis();
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private static final int maxNameCacheAge = 24 * 60 * 60; // 24 hours in minutes
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private static final int maxNameCacheSize = 5000;
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public static final List nameCacheNoCachingPatterns = Collections.synchronizedList(new LinkedList());
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private static final Set nameCacheNoCachingList = Collections.synchronizedSet(new HashSet());
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//private static HashSet nameCacheMiss = new HashSet();
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/**
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* A Object Pool containing all pooled httpc-objects.
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* @see httpcPool
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*/
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private static final httpcPool theHttpcPool;
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// class variables
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private Socket socket = null; // client socket for commands
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private Thread socketOwner = null;
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private String adressed_host = null;
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private int adressed_port = 80;
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private String target_virtual_host = null;
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// output and input streams for client control connection
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PushbackInputStream clientInput = null;
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private OutputStream clientOutput = null;
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private httpdByteCountInputStream clientInputByteCount = null;
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private httpdByteCountOutputStream clientOutputByteCount = null;
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private boolean remoteProxyUse = false;
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private httpRemoteProxyConfig remoteProxyConfig = null;
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String requestPath = null;
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private boolean allowContentEncoding = true;
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public static boolean yacyDebugMode = false;
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/**
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* Indicates if the current object was removed from pool because the maximum limit
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* was exceeded.
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*/
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boolean removedFromPool = false;
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static SSLSocketFactory theSSLSockFactory = null;
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static {
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// set time-out of InetAddress.getByName cache ttl
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java.security.Security.setProperty("networkaddress.cache.ttl" , "60");
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java.security.Security.setProperty("networkaddress.cache.negative.ttl" , "0");
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// Configuring the httpc object pool
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// implementation of session thread pool
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GenericObjectPool.Config config = new GenericObjectPool.Config();
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// The maximum number of active connections that can be allocated from pool at the same time,
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// 0 for no limit
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config.maxActive = 150;
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// The maximum number of idle connections connections in the pool
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// 0 = no limit.
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config.maxIdle = 75;
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config.minIdle = 10;
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config.whenExhaustedAction = GenericObjectPool.WHEN_EXHAUSTED_BLOCK;
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config.minEvictableIdleTimeMillis = 30000;
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theHttpcPool = new httpcPool(new httpcFactory(),config);
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// initializing a dummy trustManager to enable https connections
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// Create a trust manager that does not validate certificate chains
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TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {
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public java.security.cert.X509Certificate[] getAcceptedIssuers() {
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return null;
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}
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public void checkClientTrusted(
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java.security.cert.X509Certificate[] certs, String authType) {
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}
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public void checkServerTrusted(
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java.security.cert.X509Certificate[] certs, String authType) {
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}
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} };
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// Install the all-trusting trust manager
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try {
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SSLContext sc = SSLContext.getInstance("SSL");
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// Create empty HostnameVerifier
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HostnameVerifier hv = new HostnameVerifier() {
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public boolean verify(String urlHostName, javax.net.ssl.SSLSession session) {
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// logger.info("Warning: URL Host: "+urlHostName+"
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// vs."+session.getPeerHost());
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return true;
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}
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};
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sc.init(null, trustAllCerts, new java.security.SecureRandom());
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HttpsURLConnection.setDefaultSSLSocketFactory(theSSLSockFactory = sc.getSocketFactory());
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HttpsURLConnection.setDefaultHostnameVerifier(hv);
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} catch (Exception e) {
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}
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// provide system information for client identification
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String loc = System.getProperty("user.timezone", "nowhere");
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int p = loc.indexOf("/");
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if (p > 0) loc = loc.substring(0,p);
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loc = loc + "/" + System.getProperty("user.language", "dumb");
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systemOST =
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System.getProperty("os.arch", "no-os-arch") + " " +
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System.getProperty("os.name", "no-os-name") + " " +
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System.getProperty("os.version", "no-os-version") + "; " +
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"java " + System.getProperty("java.version", "no-java-version") + "; " + loc;
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userAgent = "yacy (www.yacy.net; v" + vDATE + "; " + systemOST + ")";
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}
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/**
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* A reusable readline buffer
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* @see serverByteBuffer
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*/
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final serverByteBuffer readLineBuffer = new serverByteBuffer(100);
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private static final HashMap openSocketLookupTable = new HashMap();
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/**
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* Convert the status of this class into an String object to output it.
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*/
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public String toString() {
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return (this.adressed_host == null) ? "Disconnected" : "Connected to " + this.adressed_host +
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((this.remoteProxyUse) ? " via " + adressed_host : "");
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}
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/**
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* This method gets a new httpc instance from the object pool and
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* initializes it with the given parameters. Use this method if you have to
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* use a proxy to access the pages.
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*
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* @param server
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* @param port
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* @param timeout
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* @param ssl
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* @param remoteProxyHost
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* @param remoteProxyPort
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* @throws IOException
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* @see httpc#init
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*/
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public static httpc getInstance(
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String server,
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String vhost,
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int port,
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int timeout,
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boolean ssl,
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httpRemoteProxyConfig remoteProxyConfig,
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String incomingByteCountAccounting,
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String outgoingByteCountAccounting
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) throws IOException {
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httpc newHttpc;
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try {
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// fetching a new httpc from the object pool
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newHttpc = (httpc) httpc.theHttpcPool.borrowObject();
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} catch (Exception e) {
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throw new IOException("Unable to initialize a new httpc. " + e.getMessage());
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}
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// initialize it
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try {
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newHttpc.init(
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server,
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vhost,
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port,
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timeout,
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ssl,
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remoteProxyConfig,
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incomingByteCountAccounting,
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outgoingByteCountAccounting
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);
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} catch (IOException e) {
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try{ httpc.theHttpcPool.returnObject(newHttpc); } catch (Exception e1) {}
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throw e;
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}
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return newHttpc;
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}
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public static httpc getInstance(
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String server,
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String vhost,
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int port,
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int timeout,
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boolean ssl,
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httpRemoteProxyConfig remoteProxyConfig
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) throws IOException {
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return getInstance(server,vhost,port,timeout,ssl,remoteProxyConfig,null,null);
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}
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public static httpc getInstance(
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String server,
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String vhost,
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int port,
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int timeout,
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boolean ssl
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) throws IOException {
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return getInstance(server,vhost,port,timeout,ssl,null,null);
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}
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/**
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* This method gets a new httpc instance from the object pool and
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* initializes it with the given parameters.
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*
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* @param server
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* @param port
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* @param timeout
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* @param ssl
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* @throws IOException
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* @see httpc#init
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*/
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public static httpc getInstance(
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String server,
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String vhost,
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int port,
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int timeout,
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boolean ssl,
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String incomingByteCountAccounting,
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String outgoingByteCountAccounting
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) throws IOException {
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httpc newHttpc = null;
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// fetching a new httpc from the object pool
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try {
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newHttpc = (httpc) httpc.theHttpcPool.borrowObject();
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} catch (Exception e) {
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throw new IOException("Unable to fetch a new httpc from pool. " + e.getMessage());
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}
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// initialize it
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try {
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newHttpc.init(server,vhost,port,timeout,ssl,incomingByteCountAccounting,outgoingByteCountAccounting);
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} catch (IOException e) {
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try{ httpc.theHttpcPool.returnObject(newHttpc); } catch (Exception e1) {}
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throw e;
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}
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return newHttpc;
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}
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/**
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* Put back a used instance into the instance pool of httpc.
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*
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* @param theHttpc The instance of httpc which should be returned to the pool
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*/
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public static void returnInstance(httpc theHttpc) {
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try {
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theHttpc.reset();
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httpc.theHttpcPool.returnObject(theHttpc);
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} catch (Exception e) {
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// we could ignore this error
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}
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}
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/**
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* Sets wether the content is allowed to be unzipped while getting?
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* FIXME: The name of this method seems misleading, if I read the usage of
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* this method correctly?
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*
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* @param status true, if the content is allowed to be decoded on the fly?
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*/
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public void setAllowContentEncoding(boolean status) {
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this.allowContentEncoding = status;
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}
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/**
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* Check wether the connection of this instance is closed.
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*
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* @return true if the connection is no longer open.
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*/
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public boolean isClosed() {
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if (this.socket == null) return true;
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return (!this.socket.isConnected()) || (this.socket.isClosed());
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}
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/**
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* Does an DNS-Check to resolve a hostname to an IP.
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*
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* @param host Hostname of the host in demand.
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* @return String with the ip. null, if the host could not be resolved.
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*/
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public static InetAddress dnsResolve(String host) {
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if ((host == null)||(host.length() == 0)) return null;
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host = host.toLowerCase().trim();
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// flushing old entries before accsessing
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flushNameCacheHit();
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// trying to resolve host by doing a name cache lookup
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InetAddress ip = (InetAddress) nameCacheHit.get(host);
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if (ip != null) return ip;
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// if (nameCacheMiss.contains(host)) return null;
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try {
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boolean doCaching = true;
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ip = InetAddress.getByName(host);
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if (
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(ip == null) ||
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(ip.isLoopbackAddress()) ||
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(nameCacheNoCachingList.contains(ip.getHostName()))
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) {
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doCaching = false;
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} else {
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Iterator noCachingPatternIter = nameCacheNoCachingPatterns.iterator();
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while (noCachingPatternIter.hasNext()) {
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String nextPattern = (String) noCachingPatternIter.next();
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if (ip.getHostName().matches(nextPattern)) {
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// disallow dns caching for this host
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nameCacheNoCachingList.add(ip.getHostName());
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doCaching = false;
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break;
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}
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}
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}
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if (doCaching) {
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synchronized (nameCacheHit) {
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nameCacheHit.put(ip.getHostName(), ip);
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nameCacheAges.setScore(ip.getHostName(), intTime(System.currentTimeMillis()));
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}
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}
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return ip;
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} catch (UnknownHostException e) {
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//nameCacheMiss.add(host);
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}
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return null;
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}
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|
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// /**
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// * Checks wether an hostname already is in the DNS-cache.
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// * FIXME: This method should use dnsResolve, as the code is 90% identical?
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// *
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// * @param host Searched for hostname.
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// * @return true, if the hostname already is in the cache.
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// */
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// public static boolean dnsFetch(String host) {
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// if ((nameCacheHit.get(host) != null) /*|| (nameCacheMiss.contains(host)) */) return false;
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// try {
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// String ip = InetAddress.getByName(host).getHostAddress();
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// if ((ip != null) && (!(ip.equals("127.0.0.1"))) && (!(ip.equals("localhost")))) {
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// nameCacheHit.put(host, ip);
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// return true;
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// }
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// return false;
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// } catch (UnknownHostException e) {
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// //nameCacheMiss.add(host);
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// return false;
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// }
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// }
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/**
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* Returns the number of entries in the nameCacheHit map
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*
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* @return int The number of entries in the nameCacheHit map
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*/
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public static int nameCacheHitSize() {
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return nameCacheHit.size();
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}
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|
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/**
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* Returns the number of entries in the nameCacheNoCachingList list
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*
|
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* @return int The number of entries in the nameCacheNoCachingList list
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*/
|
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public static int nameCacheNoCachingListSize() {
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return nameCacheNoCachingList.size();
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}
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|
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/**
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* Converts the time to a non negative int
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|
*
|
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* @param longTime Time in miliseconds since 01/01/1970 00:00 GMT
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* @return int seconds since startTime
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*/
|
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private static int intTime(long longTime) {
|
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return (int) Math.max(0, ((longTime - startTime) / 1000));
|
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}
|
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|
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/**
|
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* Removes old entries from the dns cache
|
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*/
|
|
public static void flushNameCacheHit() {
|
|
int cutofftime = intTime(System.currentTimeMillis()) - maxNameCacheAge;
|
|
int size;
|
|
String k;
|
|
synchronized (nameCacheHit) {
|
|
size = nameCacheAges.size();
|
|
while ((size > 0) &&
|
|
(size > maxNameCacheSize) || (nameCacheAges.getMinScore() < cutofftime)) {
|
|
k = (String) nameCacheAges.getMinObject();
|
|
nameCacheHit.remove(k);
|
|
nameCacheAges.deleteScore(k);
|
|
size--; // size = nameCacheAges.size();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the given date in an HTTP-usable format.
|
|
*
|
|
* @param date The Date-Object to be converted.
|
|
* @return String with the date.
|
|
*/
|
|
public static String dateString(Date date) {
|
|
if (date == null) return "";
|
|
return HTTPGMTFormatter.format(date);
|
|
}
|
|
|
|
/**
|
|
* Returns the current date as Date-Object.
|
|
*
|
|
* @return Date-object with the current time.
|
|
*/
|
|
public static Date nowDate() {
|
|
return new GregorianCalendar(GMTTimeZone).getTime();
|
|
}
|
|
|
|
/**
|
|
* Initialize the httpc-instance with the given data. This method is used,
|
|
* if you have to use a proxy to access the pages. This just calls init
|
|
* without proxy information and adds the proxy information.
|
|
*
|
|
* @param remoteProxyHost
|
|
* @param remoteProxyPort
|
|
* @throws IOException
|
|
*/
|
|
void init(
|
|
String server,
|
|
String vhost,
|
|
int port,
|
|
int timeout,
|
|
boolean ssl,
|
|
httpRemoteProxyConfig theRemoteProxyConfig,
|
|
String incomingByteCountAccounting,
|
|
String outgoingByteCountAccounting
|
|
) throws IOException {
|
|
|
|
if (port == -1) {
|
|
port = (ssl)? 443 : 80;
|
|
}
|
|
|
|
String remoteProxyHost = theRemoteProxyConfig.getProxyHost();
|
|
int remoteProxyPort = theRemoteProxyConfig.getProxyPort();
|
|
|
|
this.init(remoteProxyHost, vhost, remoteProxyPort, timeout, ssl,incomingByteCountAccounting,outgoingByteCountAccounting);
|
|
|
|
this.remoteProxyUse = true;
|
|
this.adressed_host = server;
|
|
this.adressed_port = port;
|
|
this.target_virtual_host = vhost;
|
|
this.remoteProxyConfig = theRemoteProxyConfig;
|
|
}
|
|
|
|
/**
|
|
* Initialize the https-instance with the given data. Opens the sockets to
|
|
* the remote server and creats input and output streams.
|
|
*
|
|
* @param server Hostname of the server to connect to.
|
|
* @param port On which port should we connect.
|
|
* @param timeout How long do we wait for answers?
|
|
* @param ssl Wether we should use SSL.
|
|
* @throws IOException
|
|
*/
|
|
void init(
|
|
String server,
|
|
String vhost,
|
|
int port,
|
|
int timeout,
|
|
boolean ssl,
|
|
String incomingByteCountAccounting,
|
|
String outgoingByteCountAccounting
|
|
) throws IOException {
|
|
//serverLog.logDebug("HTTPC", handle + " initialized");
|
|
this.remoteProxyUse = false;
|
|
//this.timeout = timeout;
|
|
|
|
try {
|
|
if (port == -1) {
|
|
port = (ssl)? 443 : 80;
|
|
}
|
|
|
|
this.adressed_host = server;
|
|
this.adressed_port = port;
|
|
this.target_virtual_host = vhost;
|
|
InetAddress hostip;
|
|
// if ((server.equals("localhost")) || (server.equals("127.0.0.1")) || (server.startsWith("192.168.")) || (server.startsWith("10."))) {
|
|
// hostip = server;
|
|
// } else {
|
|
hostip = dnsResolve(server);
|
|
if (hostip == null) throw new UnknownHostException(server);
|
|
// }
|
|
|
|
// creating a socket
|
|
this.socket = (ssl)
|
|
? theSSLSockFactory.createSocket()
|
|
: new Socket();
|
|
|
|
// creating a socket address
|
|
InetSocketAddress address = new InetSocketAddress(hostip, port);
|
|
|
|
// trying to establish a connection to the address
|
|
this.socket.connect(address,timeout);
|
|
|
|
// registering the socket
|
|
this.socketOwner = this.registerOpenSocket(this.socket);
|
|
|
|
// setting socket timeout and keep alive behaviour
|
|
this.socket.setSoTimeout(timeout); // waiting time for read
|
|
//socket.setSoLinger(true, timeout);
|
|
this.socket.setKeepAlive(true); //
|
|
|
|
if (incomingByteCountAccounting != null) {
|
|
this.clientInputByteCount = new httpdByteCountInputStream(this.socket.getInputStream(),incomingByteCountAccounting);
|
|
}
|
|
|
|
// getting input and output streams
|
|
this.clientInput = new PushbackInputStream((this.clientInputByteCount!=null)?
|
|
this.clientInputByteCount:
|
|
this.socket.getInputStream());
|
|
this.clientOutput = this.socket.getOutputStream();
|
|
|
|
|
|
|
|
|
|
// if we reached this point, we should have a connection
|
|
} catch (UnknownHostException e) {
|
|
if (this.socket != null) {
|
|
httpc.unregisterOpenSocket(this.socket,this.socketOwner);
|
|
}
|
|
this.socket = null;
|
|
this.socketOwner = null;
|
|
throw new IOException("unknown host: " + server);
|
|
}
|
|
}
|
|
|
|
public long getInputStreamByteCount() {
|
|
return (this.clientInputByteCount == null)?0:this.clientInputByteCount.getCount();
|
|
}
|
|
|
|
public long getOutputStreamByteCount() {
|
|
return (this.clientOutputByteCount == null)?0:this.clientOutputByteCount.getCount();
|
|
}
|
|
|
|
/**
|
|
* This method resets an httpc-instance, so that it can be used for the next
|
|
* connection. This is called before the instance is put back to the pool.
|
|
* All streams and sockets are closed and set to null.
|
|
*/
|
|
void reset() {
|
|
if (this.clientInput != null) {
|
|
try {this.clientInput.close();} catch (Exception e) {}
|
|
this.clientInput = null;
|
|
}
|
|
if (this.clientOutput != null) {
|
|
try {this.clientOutput.close();} catch (Exception e) {}
|
|
this.clientOutput = null;
|
|
}
|
|
if (this.socket != null) {
|
|
try {this.socket.close();} catch (Exception e) {}
|
|
httpc.unregisterOpenSocket(this.socket,this.socketOwner);
|
|
this.socket = null;
|
|
this.socketOwner = null;
|
|
}
|
|
|
|
if (this.clientInputByteCount != null) {
|
|
this.clientInputByteCount.finish();
|
|
this.clientInputByteCount = null;
|
|
}
|
|
if (this.clientOutputByteCount != null) {
|
|
this.clientOutputByteCount.finish();
|
|
this.clientOutputByteCount = null;
|
|
}
|
|
|
|
this.adressed_host = null;
|
|
this.target_virtual_host = null;
|
|
//this.timeout = 0;
|
|
|
|
this.remoteProxyUse = false;
|
|
this.remoteProxyConfig = null;
|
|
this.requestPath = null;
|
|
|
|
this.allowContentEncoding = true;
|
|
|
|
// shrink readlinebuffer if it is to large
|
|
this.readLineBuffer.reset(80);
|
|
}
|
|
|
|
/**
|
|
* Just calls reset to close all connections.
|
|
*/
|
|
public void close() {
|
|
reset();
|
|
}
|
|
|
|
/**
|
|
* If this instance is garbage-collected we check if the object was returned
|
|
* to the pool. if not, we invalidate the object from the pool.
|
|
*
|
|
* @see httpcPool#invalidateObject
|
|
*/
|
|
protected void finalize() throws Throwable {
|
|
if (!(this.removedFromPool)) {
|
|
System.err.println("Httpc object was not returned to object pool.");
|
|
httpc.theHttpcPool.invalidateObject(this);
|
|
}
|
|
this.reset();
|
|
}
|
|
|
|
/**
|
|
* This method invokes a call to the given server.
|
|
*
|
|
* @param method Which method should be called? GET, POST, HEAD or CONNECT
|
|
* @param path String with the path on the server to be get.
|
|
* @param header The prefilled header (if available) from the calling
|
|
* browser.
|
|
* @param zipped Is encoded content (gzip) allowed or not?
|
|
* @throws IOException
|
|
*/
|
|
private void send(String method, String path, httpHeader header, boolean zipped) throws IOException {
|
|
// scheduled request through request-response objects/threads
|
|
|
|
// check and correct path
|
|
if ((path == null) || (path.length() == 0)) path = "/";
|
|
|
|
// for debuggug:
|
|
this.requestPath = path;
|
|
|
|
// prepare header
|
|
if (header == null) header = new httpHeader();
|
|
|
|
// set some standard values
|
|
if (!(header.containsKey(httpHeader.ACCEPT)))
|
|
header.put(httpHeader.ACCEPT, "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5");
|
|
if (!(header.containsKey(httpHeader.ACCEPT_CHARSET)))
|
|
header.put(httpHeader.ACCEPT_CHARSET, "ISO-8859-1,utf-8;q=0.7,*;q=0.7");
|
|
if (!(header.containsKey(httpHeader.ACCEPT_LANGUAGE)))
|
|
header.put(httpHeader.ACCEPT_LANGUAGE, "en-us,en;q=0.5");
|
|
if (!(header.containsKey(httpHeader.KEEP_ALIVE)))
|
|
header.put(httpHeader.KEEP_ALIVE, "300");
|
|
|
|
// set user agent. The user agent is only set if the value does not yet exists.
|
|
// this gives callers the opportunity, to change the user agent themselves, and
|
|
// it will not be changed.
|
|
if (!(header.containsKey(httpHeader.USER_AGENT))) header.put(httpHeader.USER_AGENT, userAgent);
|
|
|
|
// set the host attribute. This is in particular necessary, if we contact another proxy
|
|
// the host is mandatory, if we use HTTP/1.1
|
|
if (!(header.containsKey(httpHeader.HOST))) {
|
|
if (this.remoteProxyUse) {
|
|
header.put(httpHeader.HOST, this.adressed_host);
|
|
} else {
|
|
header.put(httpHeader.HOST, this.target_virtual_host);
|
|
}
|
|
}
|
|
|
|
if (this.remoteProxyUse) {
|
|
String remoteProxyUser = this.remoteProxyConfig.getProxyUser();
|
|
String remoteProxyPwd = this.remoteProxyConfig.getProxyPwd();
|
|
if ((remoteProxyUser!=null)&&(remoteProxyUser.length()>0)) {
|
|
header.put(httpHeader.PROXY_AUTHORIZATION,"Basic " + kelondroBase64Order.standardCoder.encodeString(remoteProxyUser + ":" + remoteProxyPwd));
|
|
}
|
|
}
|
|
|
|
if (!(header.containsKey(httpHeader.CONNECTION))) {
|
|
header.put(httpHeader.CONNECTION, "close");
|
|
}
|
|
|
|
// stimulate zipping or not
|
|
// we can unzip, and we will return it always as unzipped, unless not wanted
|
|
if (header.containsKey(httpHeader.ACCEPT_ENCODING)) {
|
|
String encoding = (String) header.get(httpHeader.ACCEPT_ENCODING);
|
|
if (zipped) {
|
|
if (encoding.indexOf("gzip") < 0) {
|
|
// add the gzip encoding
|
|
//System.out.println("!!! adding gzip encoding");
|
|
header.put(httpHeader.ACCEPT_ENCODING, "gzip,deflate" + ((encoding.length() == 0) ? "" : (";" + encoding)));
|
|
}
|
|
} else {
|
|
int pos = encoding.indexOf("gzip");
|
|
if (pos >= 0) {
|
|
// remove the gzip encoding
|
|
//System.out.println("!!! removing gzip encoding");
|
|
header.put(httpHeader.ACCEPT_ENCODING, encoding.substring(0, pos) + encoding.substring(pos + 4));
|
|
}
|
|
}
|
|
} else {
|
|
if (zipped) header.put(httpHeader.ACCEPT_ENCODING, "gzip,deflate");
|
|
}
|
|
|
|
//header = new httpHeader(); header.put("Host", this.host); // debug
|
|
|
|
// send request
|
|
if ((this.remoteProxyUse) && (!(method.equals(httpHeader.METHOD_CONNECT))))
|
|
path = ((this.adressed_port == 443) ? "https://" : "http://") + this.adressed_host + ":" + this.adressed_port + path;
|
|
serverCore.send(this.clientOutput, method + " " + path + " HTTP/1.0"); // if set to HTTP/1.1, servers give time-outs?
|
|
|
|
// send header
|
|
//System.out.println("***HEADER for path " + path + ": PROXY TO SERVER = " + header.toString()); // DEBUG
|
|
Iterator i = header.keySet().iterator();
|
|
String key;
|
|
int count;
|
|
char tag;
|
|
while (i.hasNext()) {
|
|
key = (String) i.next();
|
|
tag = key.charAt(0);
|
|
if ((tag != '*') && (tag != '#')) {
|
|
count = header.keyCount(key);
|
|
for (int j = 0; j < count; j++) {
|
|
serverCore.send(this.clientOutput, key + ": " + ((String) header.getSingle(key, j)).trim());
|
|
}
|
|
//System.out.println("#" + key + ": " + value);
|
|
}
|
|
}
|
|
|
|
// send terminating line
|
|
serverCore.send(this.clientOutput, "");
|
|
this.clientOutput.flush();
|
|
|
|
// this is the place where www.stern.de refuses to answer ..???
|
|
}
|
|
|
|
/**
|
|
* This method GETs a page from the server.
|
|
*
|
|
* @param path The path to the page which should be GET.
|
|
* @param requestHeader Prefilled httpHeader.
|
|
* @param return Instance of response with the content.
|
|
* @throws IOException
|
|
*/
|
|
public response GET(String path, httpHeader requestHeader) throws IOException {
|
|
//serverLog.logDebug("HTTPC", handle + " requested GET '" + path + "', time = " + (System.currentTimeMillis() - handle));
|
|
try {
|
|
boolean zipped = (!this.allowContentEncoding) ? false : httpd.shallTransportZipped(path);
|
|
send(httpHeader.METHOD_GET, path, requestHeader, zipped);
|
|
response r = new response(zipped);
|
|
//serverLog.logDebug("HTTPC", handle + " returned GET '" + path + "', time = " + (System.currentTimeMillis() - handle));
|
|
return r;
|
|
} catch (Exception e) {
|
|
throw new IOException(e.getMessage());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method gets only the header of a page.
|
|
*
|
|
* @param path The path to the page whose header should be get.
|
|
* @param requestHeader Prefilled httpHeader.
|
|
* @param return Instance of response with the content.
|
|
* @throws IOException
|
|
*/
|
|
public response HEAD(String path, httpHeader requestHeader) throws IOException {
|
|
try {
|
|
send(httpHeader.METHOD_HEAD, path, requestHeader, false);
|
|
return new response(false);
|
|
// in this case the caller should not read the response body,
|
|
// since there is none...
|
|
} catch (SocketException e) {
|
|
throw new IOException(e.getMessage());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method POSTs some data to a page.
|
|
*
|
|
* @param path The path to the page which the post is sent to.
|
|
* @param requestHeader Prefilled httpHeader.
|
|
* @param ins InputStream with the data to be posted to the server.
|
|
* @param return Instance of response with the content.
|
|
* @throws IOException
|
|
*/
|
|
public response POST(String path, httpHeader requestHeader, InputStream ins) throws IOException {
|
|
try {
|
|
send(httpHeader.METHOD_POST, path, requestHeader, false);
|
|
// if there is a body to the call, we would have a CONTENT-LENGTH tag in the requestHeader
|
|
String cl = (String) requestHeader.get(httpHeader.CONTENT_LENGTH);
|
|
int len, c;
|
|
byte[] buffer = new byte[512];
|
|
if (cl != null) {
|
|
len = Integer.parseInt(cl);
|
|
// transfer len bytes from ins to the server
|
|
while ((len > 0) && ((c = ins.read(buffer)) >= 0)) {
|
|
this.clientOutput.write(buffer, 0, c);
|
|
len -= c;
|
|
}
|
|
} else {
|
|
len = 0;
|
|
while ((c = ins.read(buffer)) >= 0) {
|
|
this.clientOutput.write(buffer, 0, c);
|
|
len += c;
|
|
}
|
|
|
|
// TODO: we can not set the header here. This ist too late
|
|
requestHeader.put(httpHeader.CONTENT_LENGTH, Integer.toString(len));
|
|
}
|
|
this.clientOutput.flush();
|
|
return new response(false);
|
|
} catch (SocketException e) {
|
|
throw new IOException(e.getMessage());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Call the server with the CONNECT-method.
|
|
* This is used to establish https-connections through a https-proxy
|
|
*
|
|
* @param host To which host should a connection be made?
|
|
* @param port Which port should be connected?
|
|
* @param requestHeader prefilled httpHeader.
|
|
* @return Instance of response with the content.
|
|
*/
|
|
|
|
public response CONNECT(String remotehost, int remoteport, httpHeader requestHeader) throws IOException {
|
|
try {
|
|
send(httpHeader.METHOD_CONNECT, remotehost + ":" + remoteport, requestHeader, false);
|
|
return new response(false);
|
|
} catch (SocketException e) {
|
|
throw new IOException(e.getMessage());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method sends several files at once via a POST request. Only those
|
|
* files in the Hashtable files are written whose names are contained in
|
|
* args.
|
|
*
|
|
* @param path The path to the page which the post is sent to.
|
|
* @param requestHeader Prefilled httpHeader.
|
|
* @param args serverObjects with the names of the files to send.
|
|
* @param files HashMap with the names of the files as key and the content
|
|
* of the files as value.
|
|
* @return Instance of response with the content.
|
|
* @throws IOException
|
|
*/
|
|
public response POST(String path, httpHeader requestHeader, serverObjects args, HashMap files) throws IOException {
|
|
// make shure, the header has a boundary information like
|
|
// CONTENT-TYPE=multipart/form-data; boundary=----------0xKhTmLbOuNdArY
|
|
if (requestHeader == null) requestHeader = new httpHeader();
|
|
String boundary = (String) requestHeader.get(httpHeader.CONTENT_TYPE);
|
|
if (boundary == null) {
|
|
// create a boundary
|
|
boundary = "multipart/form-data; boundary=----------" + java.lang.System.currentTimeMillis();
|
|
requestHeader.put(httpHeader.CONTENT_TYPE, boundary);
|
|
}
|
|
// extract the boundary string
|
|
int pos = boundary.toUpperCase().indexOf("BOUNDARY=");
|
|
if (pos < 0) {
|
|
// again, create a boundary
|
|
boundary = "multipart/form-data; boundary=----------" + java.lang.System.currentTimeMillis();
|
|
requestHeader.put(httpHeader.CONTENT_TYPE, boundary);
|
|
pos = boundary.indexOf("boundary=");
|
|
}
|
|
boundary = "--" + boundary.substring(pos + "boundary=".length());
|
|
|
|
boolean zipContent = args.containsKey(GZIP_POST_BODY);
|
|
args.remove(GZIP_POST_BODY);
|
|
|
|
OutputStream out;
|
|
GZIPOutputStream zippedOut;
|
|
serverByteBuffer buf = new serverByteBuffer();
|
|
if (zipContent) {
|
|
zippedOut = new GZIPOutputStream(buf);
|
|
out = zippedOut;
|
|
} else {
|
|
out = buf;
|
|
}
|
|
|
|
// in contrast to GET and HEAD, this method also transports a message body
|
|
// the body consists of repeated boundaries and values in between
|
|
if (args.size() != 0) {
|
|
// we have values for the POST, start with one boundary
|
|
String key, value;
|
|
Enumeration e = args.keys();
|
|
while (e.hasMoreElements()) {
|
|
// start with a boundary
|
|
out.write(boundary.getBytes());
|
|
out.write(serverCore.crlf);
|
|
// write value
|
|
key = (String) e.nextElement();
|
|
value = args.get(key, "");
|
|
if ((files != null) && (files.containsKey(key))) {
|
|
// we are about to write a file
|
|
out.write(("Content-Disposition: form-data; name=" + '"' + key + '"' + "; filename=" + '"' + value + '"').getBytes());
|
|
out.write(serverCore.crlf);
|
|
out.write(serverCore.crlf);
|
|
out.write((byte[]) files.get(key));
|
|
out.write(serverCore.crlf);
|
|
} else {
|
|
// write a single value
|
|
out.write(("Content-Disposition: form-data; name=" + '"' + key + '"').getBytes());
|
|
out.write(serverCore.crlf);
|
|
out.write(serverCore.crlf);
|
|
out.write(value.getBytes());
|
|
out.write(serverCore.crlf);
|
|
}
|
|
}
|
|
// finish with a boundary
|
|
out.write(boundary.getBytes());
|
|
out.write(serverCore.crlf);
|
|
}
|
|
// create body array
|
|
out.close();
|
|
byte[] body = buf.toByteArray();
|
|
buf = null; out = null;
|
|
|
|
//System.out.println("DEBUG: PUT BODY=" + new String(body));
|
|
if (zipContent) {
|
|
requestHeader.put(httpHeader.CONTENT_ENCODING, "gzip");
|
|
|
|
//TODO: should we also set the content length here?
|
|
} else {
|
|
// size of that body
|
|
requestHeader.put(httpHeader.CONTENT_LENGTH, Integer.toString(body.length));
|
|
}
|
|
|
|
// send the header
|
|
send(httpHeader.METHOD_POST, path, requestHeader, false);
|
|
|
|
// send the body
|
|
serverCore.send(this.clientOutput, body);
|
|
|
|
return new response(false);
|
|
}
|
|
|
|
/*
|
|
DEBUG: PUT BODY=------------1090358578442
|
|
Content-Disposition: form-data; name="youare"
|
|
|
|
Ty2F86ekSWM5
|
|
------------1090358578442
|
|
Content-Disposition: form-data; name="key"
|
|
|
|
6EkPPOl7
|
|
------------1090358578442
|
|
Content-Disposition: form-data; name="iam"
|
|
|
|
HnTvzwV7SCJR
|
|
------------1090358578442
|
|
Content-Disposition: form-data; name="process"
|
|
|
|
permission
|
|
------------1090358578442
|
|
|
|
*/
|
|
|
|
/*
|
|
------------0xKhTmLbOuNdArY
|
|
Content-Disposition: form-data; name="file1"; filename="dir.gif"
|
|
Content-Type: image/gif
|
|
|
|
GIF89
|
|
------------0xKhTmLbOuNdArY
|
|
Content-Disposition: form-data; name="file2"; filename=""
|
|
|
|
|
|
------------0xKhTmLbOuNdArY
|
|
Content-Disposition: form-data; name="upload"
|
|
|
|
do upload
|
|
------------0xKhTmLbOuNdArY--
|
|
|
|
###### Listing Properties ######
|
|
# METHOD=POST
|
|
### Header Values:
|
|
# EXT=html
|
|
# HTTP=HTTP/1.1
|
|
# ACCEPT-ENCODING=gzip, deflate;q=1.0, identity;q=0.5, *;q=0
|
|
# HOST=localhost:8080
|
|
# PATH=/testcgi/doit.html
|
|
# CONTENT-LENGTH=474
|
|
# CONTENT-TYPE=multipart/form-data; boundary=----------0xKhTmLbOuNdArY
|
|
# ARGC=0
|
|
# CONNECTION=close
|
|
# USER-AGENT=Mozilla/5.0 (Macintosh; U; PPC Mac OS X; de-de) AppleWebKit/103u (KHTML, like Gecko) Safari/100.1
|
|
### Call Properties:
|
|
###### End OfList ######
|
|
*/
|
|
|
|
public static byte[] singleGET(
|
|
String realhost,
|
|
String virtualhost,
|
|
int port,
|
|
String path,
|
|
int timeout,
|
|
String user,
|
|
String password,
|
|
boolean ssl,
|
|
httpRemoteProxyConfig theRemoteProxyConfig,
|
|
httpHeader requestHeader
|
|
) throws IOException {
|
|
if (requestHeader == null) requestHeader = new httpHeader();
|
|
|
|
// setting host authorization header
|
|
if ((user != null) && (password != null) && (user.length() != 0)) {
|
|
requestHeader.put(httpHeader.AUTHORIZATION, kelondroBase64Order.standardCoder.encodeString(user + ":" + password));
|
|
}
|
|
|
|
httpc con = null;
|
|
try {
|
|
if ((theRemoteProxyConfig == null)||(!theRemoteProxyConfig.useProxy())) {
|
|
con = httpc.getInstance(realhost, virtualhost, port, timeout, ssl);
|
|
} else {
|
|
con = httpc.getInstance(realhost, virtualhost, port, timeout, ssl, theRemoteProxyConfig);
|
|
}
|
|
|
|
httpc.response res = con.GET(path, requestHeader);
|
|
if (res.status.startsWith("2")) {
|
|
return res.writeContent();
|
|
}
|
|
return res.status.getBytes();
|
|
} catch (Exception e) {
|
|
throw new IOException(e.getMessage());
|
|
} finally {
|
|
if (con != null) httpc.returnInstance(con);
|
|
}
|
|
|
|
}
|
|
|
|
public static byte[] singleGET(
|
|
URL u,
|
|
String vhost,
|
|
int timeout,
|
|
String user,
|
|
String password,
|
|
httpRemoteProxyConfig theRemoteProxyConfig
|
|
) throws IOException {
|
|
int port = u.getPort();
|
|
boolean ssl = u.getProtocol().equals("https");
|
|
if (port < 0) port = (ssl) ? 443: 80;
|
|
String path = u.getPath();
|
|
String query = u.getQuery();
|
|
if ((query != null) && (query.length() > 0)) path = path + "?" + query;
|
|
return singleGET(u.getHost(), vhost, port, path, timeout, user, password, ssl, theRemoteProxyConfig, null);
|
|
}
|
|
|
|
/*
|
|
public static byte[] singleGET(String url, int timeout) throws IOException {
|
|
try {
|
|
return singleGET(new URL(url), timeout, null, null, null, 0);
|
|
} catch (MalformedURLException e) {
|
|
throw new IOException("Malformed URL: " + e.getMessage());
|
|
}
|
|
}
|
|
*/
|
|
|
|
public static byte[] singlePOST(
|
|
String realhost,
|
|
String virtualhost,
|
|
int port,
|
|
String path,
|
|
int timeout,
|
|
String user,
|
|
String password,
|
|
boolean ssl,
|
|
httpRemoteProxyConfig theRemoteProxyConfig,
|
|
httpHeader requestHeader,
|
|
serverObjects props,
|
|
HashMap files
|
|
) throws IOException {
|
|
|
|
if (requestHeader == null) requestHeader = new httpHeader();
|
|
if ((user != null) && (password != null) && (user.length() != 0)) {
|
|
requestHeader.put(httpHeader.AUTHORIZATION, kelondroBase64Order.standardCoder.encodeString(user + ":" + password));
|
|
}
|
|
|
|
httpc con = null;
|
|
try {
|
|
if ((theRemoteProxyConfig == null)||(!theRemoteProxyConfig.useProxy())) {
|
|
con = httpc.getInstance(realhost, virtualhost, port, timeout, ssl);
|
|
} else {
|
|
con = httpc.getInstance(realhost, virtualhost, port, timeout, ssl, theRemoteProxyConfig);
|
|
}
|
|
httpc.response res = con.POST(path, requestHeader, props, files);
|
|
|
|
//System.out.println("response=" + res.toString());
|
|
if (res.status.startsWith("2")) {
|
|
return res.writeContent();
|
|
}
|
|
return res.status.getBytes();
|
|
} catch (Exception e) {
|
|
throw new IOException(e.getMessage());
|
|
} finally {
|
|
if (con != null) httpc.returnInstance(con);
|
|
}
|
|
|
|
}
|
|
|
|
public static byte[] singlePOST(
|
|
URL u,
|
|
String vhost,
|
|
int timeout,
|
|
String user,
|
|
String password,
|
|
httpRemoteProxyConfig theRemoteProxyConfig,
|
|
serverObjects props,
|
|
HashMap files
|
|
) throws IOException {
|
|
int port = u.getPort();
|
|
boolean ssl = u.getProtocol().equals("https");
|
|
if (port < 0) port = (ssl) ? 443 : 80;
|
|
String path = u.getPath();
|
|
String query = u.getQuery();
|
|
if ((query != null) && (query.length() > 0)) path = path + "?" + query;
|
|
return singlePOST(
|
|
u.getHost(),
|
|
vhost,
|
|
port,
|
|
path,
|
|
timeout,
|
|
user,
|
|
password,
|
|
ssl,
|
|
theRemoteProxyConfig,
|
|
null,
|
|
props,
|
|
files
|
|
);
|
|
}
|
|
|
|
public static byte[] singlePOST(
|
|
String url,
|
|
int timeout,
|
|
serverObjects props
|
|
) throws IOException {
|
|
try {
|
|
URL u = new URL(url);
|
|
return singlePOST(
|
|
u,
|
|
u.getHost(),
|
|
timeout,
|
|
null,
|
|
null,
|
|
null,
|
|
props,
|
|
null
|
|
);
|
|
} catch (MalformedURLException e) {
|
|
throw new IOException("Malformed URL: " + e.getMessage());
|
|
}
|
|
}
|
|
|
|
public static ArrayList wget(
|
|
URL url,
|
|
String vhost,
|
|
int timeout,
|
|
String user,
|
|
String password,
|
|
httpRemoteProxyConfig theRemoteProxyConfig
|
|
) throws IOException {
|
|
return wget(url, vhost,timeout,user,password,theRemoteProxyConfig,null);
|
|
}
|
|
|
|
public static ArrayList wget(URL url) throws IOException{
|
|
return wget(url, url.getHost(), 6000, null, null, plasmaSwitchboard.getSwitchboard().remoteProxyConfig, null);
|
|
}
|
|
|
|
public static ArrayList wget(
|
|
URL url,
|
|
String vhost,
|
|
int timeout,
|
|
String user,
|
|
String password,
|
|
httpRemoteProxyConfig theRemoteProxyConfig,
|
|
httpHeader requestHeader
|
|
) throws IOException {
|
|
|
|
int port = url.getPort();
|
|
boolean ssl = url.getProtocol().equals("https");
|
|
if (port < 0) port = (ssl) ? 443: 80;
|
|
String path = url.getPath();
|
|
String query = url.getQuery();
|
|
if ((query != null) && (query.length() > 0)) path = path + "?" + query;
|
|
|
|
// splitting of the byte array into lines
|
|
byte[] a = singleGET(
|
|
url.getHost(),
|
|
vhost,
|
|
port,
|
|
path,
|
|
timeout,
|
|
user,
|
|
password,
|
|
ssl,
|
|
theRemoteProxyConfig,
|
|
requestHeader
|
|
);
|
|
|
|
if (a == null) return null;
|
|
|
|
// support of gzipped data (requested by roland)
|
|
if ((a.length > 1) && (((a[1] << 8) | a[0]) == GZIPInputStream.GZIP_MAGIC)) {
|
|
try {
|
|
ByteArrayInputStream byteInput = new ByteArrayInputStream(a);
|
|
ByteArrayOutputStream byteOutput = new ByteArrayOutputStream();
|
|
GZIPInputStream zippedContent = new GZIPInputStream(byteInput);
|
|
byte[] data = new byte[1024];
|
|
int read = 0;
|
|
|
|
// reading gzip file and store it uncompressed
|
|
while((read = zippedContent.read(data, 0, 1024)) != -1) {
|
|
byteOutput.write(data, 0, read);
|
|
}
|
|
zippedContent.close();
|
|
byteOutput.close();
|
|
|
|
a = byteOutput.toByteArray();
|
|
} catch (Exception e) {
|
|
if (!e.getMessage().equals("Not in GZIP format")) {
|
|
throw new IOException(e.getMessage());
|
|
}
|
|
}
|
|
}
|
|
|
|
int s = 0;
|
|
int e;
|
|
ArrayList v = new ArrayList();
|
|
while (s < a.length) {
|
|
e = s; while (e < a.length) if (a[e++] < 32) {e--; break;}
|
|
v.add(new String(a, s, e - s));
|
|
s = e; while (s < a.length) if (a[s++] >= 32) {s--; break;}
|
|
}
|
|
return v;
|
|
}
|
|
|
|
public static httpHeader whead(
|
|
URL url,
|
|
String vhost,
|
|
int timeout,
|
|
String user,
|
|
String password,
|
|
httpRemoteProxyConfig theRemoteProxyConfig
|
|
) throws IOException {
|
|
return whead(url,vhost,timeout,user,password,theRemoteProxyConfig,null);
|
|
}
|
|
|
|
public static httpHeader whead(
|
|
URL url,
|
|
String vhost,
|
|
int timeout,
|
|
String user,
|
|
String password,
|
|
httpRemoteProxyConfig theRemoteProxyConfig,
|
|
httpHeader requestHeader
|
|
) throws IOException {
|
|
// generate request header
|
|
if (requestHeader == null) requestHeader = new httpHeader();
|
|
if ((user != null) && (password != null) && (user.length() != 0)) {
|
|
requestHeader.put(httpHeader.AUTHORIZATION, kelondroBase64Order.standardCoder.encodeString(user + ":" + password));
|
|
}
|
|
// parse query
|
|
|
|
int port = url.getPort();
|
|
boolean ssl = url.getProtocol().equals("https");
|
|
if (port < 0) port = (ssl) ? 443 : 80;
|
|
String path = url.getPath();
|
|
String query = url.getQuery();
|
|
if ((query != null) && (query.length() > 0)) path = path + "?" + query;
|
|
String realhost = url.getHost();
|
|
|
|
// start connection
|
|
httpc con = null;
|
|
try {
|
|
if ((theRemoteProxyConfig == null)||(!theRemoteProxyConfig.useProxy()))
|
|
con = httpc.getInstance(realhost, vhost, port, timeout, ssl);
|
|
else con = httpc.getInstance(realhost, vhost, port, timeout, ssl, theRemoteProxyConfig);
|
|
|
|
httpc.response res = con.HEAD(path, requestHeader);
|
|
if (res.status.startsWith("2")) {
|
|
// success
|
|
return res.responseHeader;
|
|
}
|
|
// fail
|
|
return res.responseHeader;
|
|
} catch (Exception e) {
|
|
throw new IOException(e.getMessage());
|
|
} finally {
|
|
if (con != null) httpc.returnInstance(con);
|
|
}
|
|
}
|
|
|
|
public static ArrayList wput(
|
|
URL url,
|
|
String vhost,
|
|
int timeout,
|
|
String user,
|
|
String password,
|
|
httpRemoteProxyConfig theRemoteProxyConfig,
|
|
serverObjects props,
|
|
HashMap files
|
|
) throws IOException {
|
|
// splitting of the byte array into lines
|
|
byte[] a = singlePOST(
|
|
url,
|
|
vhost,
|
|
timeout,
|
|
user,
|
|
password,
|
|
theRemoteProxyConfig,
|
|
props,
|
|
files
|
|
);
|
|
|
|
//System.out.println("wput-out=" + new String(a));
|
|
int s = 0;
|
|
int e;
|
|
ArrayList v = new ArrayList();
|
|
while (s < a.length) {
|
|
e = s; while (e < a.length) if (a[e++] < 32) {e--; break;}
|
|
v.add(new String(a, s, e - s));
|
|
s = e; while (s < a.length) if (a[s++] >= 32) {s--; break;}
|
|
}
|
|
return v;
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
System.out.println("ANOMIC.DE HTTP CLIENT v" + vDATE);
|
|
String url = args[0];
|
|
if (!(url.toUpperCase().startsWith("HTTP://"))) url = "http://" + url;
|
|
ArrayList text = new ArrayList();
|
|
if (args.length == 4) {
|
|
int timeout = Integer.parseInt(args[1]);
|
|
String proxyHost = args[2];
|
|
int proxyPort = Integer.parseInt(args[3]);
|
|
|
|
httpRemoteProxyConfig theRemoteProxyConfig = httpRemoteProxyConfig.init(proxyHost,proxyPort);
|
|
try {
|
|
URL u = new URL(url);
|
|
text = wget(u, u.getHost(), timeout, null, null, theRemoteProxyConfig);
|
|
} catch (MalformedURLException e) {
|
|
System.out.println("The url '" + url + "' is wrong.");
|
|
} catch (IOException e) {
|
|
System.out.println("Error loading url '" + url + "': " + e.getMessage());
|
|
}
|
|
} /*else {
|
|
serverObjects post = new serverObjects();
|
|
int p;
|
|
for (int i = 1; i < args.length; i++) {
|
|
p = args[i].indexOf("=");
|
|
if (p > 0) post.put(args[i].substring(0, p), args[i].substring(p + 1));
|
|
}
|
|
text = wput(url, post);
|
|
}*/
|
|
Iterator i = text.listIterator();
|
|
while (i.hasNext()) System.out.println((String) i.next());
|
|
}
|
|
|
|
/**
|
|
* To register an open socket.
|
|
* This adds the socket to the list of open sockets where the current thread
|
|
* is the owner.
|
|
* @param openedSocket the socket that should be registered
|
|
* @return the id of the current thread
|
|
*/
|
|
private Thread registerOpenSocket(Socket openedSocket) {
|
|
Thread currentThread = Thread.currentThread();
|
|
synchronized (openSocketLookupTable) {
|
|
ArrayList openSockets = null;
|
|
if (openSocketLookupTable.containsKey(currentThread)) {
|
|
openSockets = (ArrayList) openSocketLookupTable.get(currentThread);
|
|
} else {
|
|
openSockets = new ArrayList(1);
|
|
openSocketLookupTable.put(currentThread,openSockets);
|
|
}
|
|
synchronized (openSockets) {
|
|
openSockets.add(openedSocket);
|
|
}
|
|
return currentThread;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Closing all sockets that were opened in the context of the thread
|
|
* with the given thread id
|
|
* @param threadId
|
|
*/
|
|
public static int closeOpenSockets(Thread thread) {
|
|
|
|
// getting all still opened sockets
|
|
ArrayList openSockets = (ArrayList) httpc.getRegisteredOpenSockets(thread).clone();
|
|
int closedSocketCount = 0;
|
|
|
|
// looping through the list of sockets and close each one
|
|
for (int socketCount = 0; socketCount < openSockets.size(); socketCount++) {
|
|
Socket openSocket = (Socket) openSockets.get(0);
|
|
try {
|
|
// closing the socket
|
|
if (!openSocket.isClosed()) {
|
|
openSocket.close();
|
|
closedSocketCount++;
|
|
}
|
|
// unregistering the socket
|
|
httpc.unregisterOpenSocket(openSocket,thread);
|
|
} catch (Exception ex) {}
|
|
}
|
|
|
|
return closedSocketCount;
|
|
}
|
|
|
|
/**
|
|
* Unregistering the socket.
|
|
* The socket will be removed from the list of sockets where the thread with the
|
|
* given thread id is the owner.
|
|
* @param closedSocket the socket that should be unregistered
|
|
* @param threadId the id of the owner thread
|
|
*/
|
|
public static void unregisterOpenSocket(Socket closedSocket, Thread thread) {
|
|
synchronized (openSocketLookupTable) {
|
|
ArrayList openSockets = null;
|
|
if (openSocketLookupTable.containsKey(thread)) {
|
|
openSockets = (ArrayList) openSocketLookupTable.get(thread);
|
|
synchronized (openSockets) {
|
|
openSockets.remove(closedSocket);
|
|
if (openSockets.size() == 0) {
|
|
openSocketLookupTable.remove(thread);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Getting a list of open sockets where the current thread is
|
|
* the owner
|
|
* @return the list of open sockets
|
|
*/
|
|
public static ArrayList getRegisteredOpenSockets() {
|
|
Thread currentThread = Thread.currentThread();
|
|
return getRegisteredOpenSockets(currentThread);
|
|
}
|
|
|
|
/**
|
|
* Getting a list of open sockets where the thread with the given
|
|
* thread id is the owner
|
|
* @param threadId the thread id of the owner thread
|
|
* @return the list of open sockets
|
|
*/
|
|
public static ArrayList getRegisteredOpenSockets(Thread thread) {
|
|
synchronized (openSocketLookupTable) {
|
|
ArrayList openSockets = null;
|
|
if (openSocketLookupTable.containsKey(thread)) {
|
|
openSockets = (ArrayList) openSocketLookupTable.get(thread);
|
|
} else {
|
|
openSockets = new ArrayList(0);
|
|
}
|
|
return openSockets;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method outputs the input stream to either an output socket or an
|
|
* file or both. If the length of the input stream is given in the
|
|
* header, exactly that lenght is written. Otherwise the stream is
|
|
* written, till it is closed. If this instance is zipped, stream the
|
|
* input stream through gzip to unzip it on the fly.
|
|
*
|
|
* @param procOS OutputStream where the stream is to be written. If null
|
|
* no write happens.
|
|
* @param bufferOS OutputStream where the stream is to be written too.
|
|
* If null no write happens.
|
|
* @param clientInput InputStream where the content is to be read from.
|
|
* @throws IOException
|
|
*/
|
|
public static void writeContentX(InputStream clientInput, boolean usegzip, long length, OutputStream procOS, OutputStream bufferOS) throws IOException {
|
|
// we write length bytes, but if length == -1 (or < 0) then we
|
|
// write until the input stream closes
|
|
// procOS == null -> no write to procOS
|
|
// file == null -> no write to file
|
|
// If the Content-Encoding is gzip, we gunzip on-the-fly
|
|
// and change the Content-Encoding and Content-Length attributes in the header
|
|
byte[] buffer = new byte[2048];
|
|
int l;
|
|
long len = 0;
|
|
|
|
// using the proper intput stream
|
|
InputStream dis = (usegzip) ? (InputStream) new GZIPInputStream(clientInput) : (InputStream) clientInput;
|
|
|
|
// we have three methods of reading: length-based, length-based gzip and connection-close-based
|
|
try {
|
|
if (length > 0) {
|
|
// we read exactly 'length' bytes
|
|
while ((len < length) && ((l = dis.read(buffer)) >= 0)) {
|
|
if (procOS != null) procOS.write(buffer, 0, l);
|
|
if (bufferOS != null) bufferOS.write(buffer, 0, l);
|
|
len += l;
|
|
}
|
|
} else {
|
|
// no content-length was given, thus we read until the connection closes
|
|
while ((l = dis.read(buffer, 0, buffer.length)) >= 0) {
|
|
if (procOS != null) procOS.write(buffer, 0, l);
|
|
if (bufferOS != null) bufferOS.write(buffer, 0, l);
|
|
}
|
|
}
|
|
} catch (java.net.SocketException e) {
|
|
throw new IOException("Socket exception: " + e.getMessage());
|
|
} catch (java.net.SocketTimeoutException e) {
|
|
throw new IOException("Socket time-out: " + e.getMessage());
|
|
} finally {
|
|
// close the streams
|
|
if (procOS != null) {
|
|
if (procOS instanceof httpChunkedOutputStream)
|
|
((httpChunkedOutputStream)procOS).finish();
|
|
procOS.flush();
|
|
}
|
|
if (bufferOS != null) bufferOS.flush();
|
|
buffer = null;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Inner Class to get the response of an http-request and parse it.
|
|
*/
|
|
public final class response {
|
|
// Response-Header = Date | Pragma | Allow | Content-Encoding | Content-Length | Content-Type |
|
|
// Expires | Last-Modified | HTTP-header
|
|
/*
|
|
Status-Line = HTTP-Version SP Status-Code SP Reason-Phrase CRLF
|
|
1xx: Informational - Not used, but reserved for future use
|
|
2xx: Success - The action was successfully received, understood, and accepted.
|
|
3xx: Redirection - Further action must be taken in order to complete the request
|
|
4xx: Client Error - The request contains bad syntax or cannot be fulfilled
|
|
5xx: Server Error - The server failed to fulfill an apparently valid request
|
|
*/
|
|
|
|
// header information
|
|
public httpHeader responseHeader = null;
|
|
public String httpVer = "HTTP/0.9";
|
|
public String status; // the success/failure response string starting with status-code
|
|
public int statusCode = 503;
|
|
public String statusText = "internal error";
|
|
private boolean gzip; // for gunzipping on-the-fly
|
|
|
|
/**
|
|
* Constructor for this class. Reads in the content for the given outer
|
|
* instance and parses it.
|
|
*
|
|
* @param zipped true, if the content of this response is gzipped.
|
|
* @throws IOException
|
|
*/
|
|
public response(boolean zipped) throws IOException {
|
|
|
|
// lets start with worst-case attributes as set-up
|
|
this.responseHeader = new httpHeader(reverseMappingCache);
|
|
this.statusCode = 503;
|
|
this.statusText = "internal httpc error";
|
|
this.status = Integer.toString(this.statusCode) + " " + this.statusText;
|
|
this.gzip = false;
|
|
|
|
// check connection status
|
|
if (httpc.this.clientInput == null) {
|
|
// the server has meanwhile disconnected
|
|
this.statusCode = 503;
|
|
this.statusText = "lost connection to server";
|
|
this.status = Integer.toString(this.statusCode) + " " + this.statusText;
|
|
return; // in bad mood
|
|
}
|
|
|
|
// reads in the http header, right now, right here
|
|
byte[] b = serverCore.receive(httpc.this.clientInput, httpc.this.readLineBuffer, terminalMaxLength, false);
|
|
if (b == null) {
|
|
// the server has meanwhile disconnected
|
|
this.statusCode = 503;
|
|
this.statusText = "server has closed connection";
|
|
this.status = Integer.toString(this.statusCode) + " " + this.statusText;
|
|
return; // in bad mood
|
|
}
|
|
|
|
// parsing the response status line
|
|
String buffer = new String(b);
|
|
Object[] responseInfo = httpHeader.parseResponseLine(buffer);
|
|
this.httpVer = (String) responseInfo[0];
|
|
this.statusCode = ((Integer)responseInfo[1]).intValue();
|
|
this.statusText = (String) responseInfo[2];
|
|
this.status = this.statusCode + " " + this.statusText;
|
|
|
|
if ((this.statusCode==500)&&(this.statusText.equals("status line parse error"))) {
|
|
// flush in anything that comes without parsing
|
|
while ((b != null) && (b.length != 0)) b = serverCore.receive(httpc.this.clientInput, httpc.this.readLineBuffer, terminalMaxLength, false);
|
|
return; // in bad mood
|
|
}
|
|
|
|
// check validity
|
|
if (this.statusCode == 400) {
|
|
// bad request
|
|
// flush in anything that comes without parsing
|
|
while ((b = serverCore.receive(httpc.this.clientInput, httpc.this.readLineBuffer, terminalMaxLength, false)).length != 0) {}
|
|
return; // in bad mood
|
|
}
|
|
|
|
// at this point we should have a valid response. read in the header properties
|
|
String key = "";
|
|
while ((b = serverCore.receive(httpc.this.clientInput, httpc.this.readLineBuffer, terminalMaxLength, false)) != null) {
|
|
if (b.length == 0) break;
|
|
buffer = new String(b);
|
|
buffer=buffer.trim();
|
|
//System.out.println("#H#" + buffer); // debug
|
|
if (buffer.charAt(0) <= 32) {
|
|
// use old entry
|
|
if (key.length() == 0) throw new IOException("header corrupted - input error");
|
|
// attach new line
|
|
if (!(this.responseHeader.containsKey(key))) throw new IOException("header corrupted - internal error");
|
|
this.responseHeader.put(key, (String) this.responseHeader.get(key) + " " + buffer.trim());
|
|
} else {
|
|
// create new entry
|
|
int p = buffer.indexOf(":");
|
|
if (p > 0) {
|
|
this.responseHeader.add(buffer.substring(0, p).trim(), buffer.substring(p + 1).trim());
|
|
} else {
|
|
serverLog.logSevere("HTTPC", "RESPONSE PARSE ERROR: HOST='" + httpc.this.adressed_host + "', PATH='" + httpc.this.requestPath + "', STATUS='" + this.status + "'");
|
|
serverLog.logSevere("HTTPC", "..............BUFFER: " + buffer);
|
|
throw new IOException(this.status);
|
|
}
|
|
}
|
|
}
|
|
// finished with reading header
|
|
|
|
// we will now manipulate the header if the content is gzip encoded, because
|
|
// reading the content with "writeContent" will gunzip on-the-fly
|
|
this.gzip = ((zipped) && (this.responseHeader.gzip()));
|
|
|
|
if (this.gzip) {
|
|
this.responseHeader.remove(httpHeader.CONTENT_ENCODING); // we fake that we don't have encoding, since what comes out does not have gzip and we also don't know what was encoded
|
|
this.responseHeader.remove(httpHeader.CONTENT_LENGTH); // we cannot use the length during gunzippig yet; still we can hope that it works
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Converts an instance of this class into a readable string.
|
|
*
|
|
* @return String with some information about this instance.
|
|
*/
|
|
public String toString() {
|
|
StringBuffer toStringBuffer = new StringBuffer();
|
|
toStringBuffer.append((this.status == null) ? "Status: Unknown" : "Status: " + this.status)
|
|
.append(" | Headers: ")
|
|
.append((this.responseHeader == null) ? "none" : this.responseHeader.toString());
|
|
return toStringBuffer.toString();
|
|
}
|
|
|
|
/**
|
|
* Returns wether this request was successful or not. Stati beginning
|
|
* with 2 or 3 are considered successful.
|
|
*
|
|
* @return True, if the request was successful.
|
|
*/
|
|
public boolean success() {
|
|
return ((this.status.charAt(0) == '2') || (this.status.charAt(0) == '3'));
|
|
}
|
|
|
|
/**
|
|
* This method just output the found content into an byte-array and
|
|
* returns it.
|
|
*
|
|
* @return
|
|
* @throws IOException
|
|
*/
|
|
public byte[] writeContent() throws IOException {
|
|
int contentLength = (int) this.responseHeader.contentLength();
|
|
serverByteBuffer sbb = new serverByteBuffer((contentLength==-1)?8192:contentLength);
|
|
writeContentX(httpc.this.clientInput, this.gzip, this.responseHeader.contentLength(), null, sbb);
|
|
return sbb.getBytes();
|
|
}
|
|
|
|
/**
|
|
* This method outputs the found content into an byte-array and
|
|
* additionally outputs it to procOS.
|
|
*
|
|
* @param procOS
|
|
* @return
|
|
* @throws IOException
|
|
*/
|
|
public byte[] writeContent(OutputStream procOS) throws IOException {
|
|
int contentLength = (int) this.responseHeader.contentLength();
|
|
serverByteBuffer sbb = new serverByteBuffer((contentLength==-1)?8192:contentLength);
|
|
writeContentX(httpc.this.clientInput, this.gzip, this.responseHeader.contentLength(), procOS, sbb);
|
|
return sbb.getBytes();
|
|
}
|
|
|
|
/**
|
|
* This method writes the input stream to either another output stream
|
|
* or a file or both.
|
|
*
|
|
* @param procOS
|
|
* @param file
|
|
* @throws IOException
|
|
*/
|
|
public void writeContent(OutputStream procOS, File file) throws IOException {
|
|
// this writes the input stream to either another output stream or
|
|
// a file or both.
|
|
FileOutputStream bufferOS = null;
|
|
try {
|
|
if (file != null) bufferOS = new FileOutputStream(file);
|
|
writeContentX(httpc.this.clientInput, this.gzip, this.responseHeader.contentLength(), procOS, bufferOS);
|
|
} finally {
|
|
if (bufferOS != null) {
|
|
bufferOS.close();
|
|
if (file.length() == 0) file.delete();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method outputs a logline to the serverlog with the current
|
|
* status of this instance.
|
|
*/
|
|
public void print() {
|
|
serverLog.logInfo("HTTPC", "RESPONSE: status=" + this.status + ", header=" + this.responseHeader.toString());
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
import java.net.*;
|
|
import java.io.*;
|
|
import javax.net.ssl.*;
|
|
import javax.security.cert.X509Certificate;
|
|
import java.security.KeyStore;
|
|
|
|
|
|
//The application can be modified to connect to a server outside
|
|
//the firewall by following SSLSocketClientWithTunneling.java.
|
|
|
|
public class SSLSocketClientWithClientAuth {
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
String host = null;
|
|
int port = -1;
|
|
String path = null;
|
|
for (int i = 0; i < args.length; i++)
|
|
System.out.println(args[i]);
|
|
|
|
if (args.length < 3) {
|
|
System.out.println(
|
|
"USAGE: java SSLSocketClientWithClientAuth " +
|
|
"host port requestedfilepath");
|
|
System.exit(-1);
|
|
}
|
|
|
|
try {
|
|
host = args[0];
|
|
port = Integer.parseInt(args[1]);
|
|
path = args[2];
|
|
} catch (IllegalArgumentException e) {
|
|
System.out.println("USAGE: java SSLSocketClientWithClientAuth " +
|
|
"host port requestedfilepath");
|
|
System.exit(-1);
|
|
}
|
|
|
|
try {
|
|
|
|
SSLSocketFactory factory = null;
|
|
try {
|
|
SSLContext ctx;
|
|
KeyManagerFactory kmf;
|
|
KeyStore ks;
|
|
char[] passphrase = "passphrase".toCharArray();
|
|
|
|
ctx = SSLContext.getInstance("TLS");
|
|
kmf = KeyManagerFactory.getInstance("SunX509");
|
|
ks = KeyStore.getInstance("JKS");
|
|
|
|
ks.load(new FileInputStream("testkeys"), passphrase);
|
|
|
|
kmf.init(ks, passphrase);
|
|
ctx.init(kmf.getKeyManagers(), null, null);
|
|
|
|
factory = ctx.getSocketFactory();
|
|
} catch (Exception e) {
|
|
throw new IOException(e.getMessage());
|
|
}
|
|
|
|
SSLSocket socket = (SSLSocket)factory.createSocket(host, port);
|
|
|
|
socket.startHandshake();
|
|
|
|
PrintWriter out = new PrintWriter(
|
|
new BufferedWriter(
|
|
new OutputStreamWriter(
|
|
socket.getOutputStream())));
|
|
out.println("GET " + path + " HTTP/1.1");
|
|
out.println();
|
|
out.flush();
|
|
|
|
if (out.checkError())
|
|
System.out.println(
|
|
"SSLSocketClient: java.io.PrintWriter error");
|
|
|
|
BufferedReader in = new BufferedReader(
|
|
new InputStreamReader(
|
|
socket.getInputStream()));
|
|
|
|
String inputLine;
|
|
|
|
while ((inputLine = in.readLine()) != null)
|
|
System.out.println(inputLine);
|
|
|
|
in.close();
|
|
out.close();
|
|
socket.close();
|
|
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
|
|
final class httpcFactory implements org.apache.commons.pool.PoolableObjectFactory {
|
|
|
|
public httpcFactory() {
|
|
super();
|
|
}
|
|
|
|
/**
|
|
* @see org.apache.commons.pool.PoolableObjectFactory#makeObject()
|
|
*/
|
|
public Object makeObject() throws Exception {
|
|
return new httpc();
|
|
}
|
|
|
|
/**
|
|
* @see org.apache.commons.pool.PoolableObjectFactory#destroyObject(java.lang.Object)
|
|
*/
|
|
public void destroyObject(Object obj) {
|
|
assert(obj instanceof httpc): "Invalid object type added to pool.";
|
|
if (obj instanceof httpc) {
|
|
httpc theHttpc = (httpc) obj;
|
|
|
|
theHttpc.removedFromPool = true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see org.apache.commons.pool.PoolableObjectFactory#validateObject(java.lang.Object)
|
|
*/
|
|
public boolean validateObject(Object obj) {
|
|
assert(obj instanceof httpc): "Invalid object type in pool.";
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param obj
|
|
*
|
|
*/
|
|
public void activateObject(Object obj) {
|
|
//log.debug(" activateObject...");
|
|
}
|
|
|
|
/**
|
|
* @param obj
|
|
*
|
|
*/
|
|
public void passivateObject(Object obj) {
|
|
assert(obj instanceof httpc): "Invalid object type returned to pool.";
|
|
}
|
|
}
|
|
|
|
final class httpcPool extends GenericObjectPool {
|
|
/**
|
|
* First constructor.
|
|
* @param objFactory
|
|
*/
|
|
public httpcPool(httpcFactory objFactory) {
|
|
super(objFactory);
|
|
this.setMaxIdle(75); // Maximum idle threads.
|
|
this.setMaxActive(150); // Maximum active threads.
|
|
this.setMinEvictableIdleTimeMillis(30000); //Evictor runs every 30 secs.
|
|
//this.setMaxWait(1000); // Wait 1 second till a thread is available
|
|
}
|
|
|
|
public httpcPool(httpcFactory objFactory,
|
|
GenericObjectPool.Config config) {
|
|
super(objFactory, config);
|
|
}
|
|
|
|
/**
|
|
* @see org.apache.commons.pool.impl.GenericObjectPool#borrowObject()
|
|
*/
|
|
public Object borrowObject() throws Exception {
|
|
return super.borrowObject();
|
|
}
|
|
|
|
/**
|
|
* @see org.apache.commons.pool.impl.GenericObjectPool#returnObject(java.lang.Object)
|
|
*/
|
|
public void returnObject(Object obj) throws Exception {
|
|
super.returnObject(obj);
|
|
}
|
|
}
|