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yacy_search_server/source/de/anomic/http/httpc.java

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// httpc.java
// -------------------------------------
// (C) by Michael Peter Christen; mc@anomic.de
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
// last major change: 26.02.2004
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Using this software in any meaning (reading, learning, copying, compiling,
// running) means that you agree that the Author(s) is (are) not responsible
// for cost, loss of data or any harm that may be caused directly or indirectly
// by usage of this softare or this documentation. The usage of this software
// is on your own risk. The installation and usage (starting/running) of this
// software may allow other people or application to access your computer and
// any attached devices and is highly dependent on the configuration of the
// software which must be done by the user of the software; the author(s) is
// (are) also not responsible for proper configuration and usage of the
// software, even if provoked by documentation provided together with
// the software.
//
// Any changes to this file according to the GPL as documented in the file
// gpl.txt aside this file in the shipment you received can be done to the
// lines that follows this copyright notice here, but changes must not be
// done inside the copyright notive above. A re-distribution must contain
// the intact and unchanged copyright notice.
// Contributions and changes to the program code must be marked as such.
/*
Class documentation:
this class forms an http client
while http access is built-in in java libraries, it is still
necessary to implement the network interface since otherwise
there is no access to the HTTP/1.0 / HTTP/1.1 header information
that comes along each connection.
*/
package de.anomic.http;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PushbackInputStream;
import java.net.InetAddress;
import java.net.MalformedURLException;
import java.net.Socket;
import java.net.SocketException;
import java.net.URL;
import java.net.UnknownHostException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Enumeration;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Locale;
import java.util.TimeZone;
import java.util.Vector;
import java.util.zip.GZIPInputStream;
import javax.net.ssl.SSLSocketFactory;
import org.apache.commons.pool.impl.GenericObjectPool;
import de.anomic.server.serverByteBuffer;
import de.anomic.server.serverCodings;
import de.anomic.server.serverCore;
import de.anomic.server.serverLog;
import de.anomic.server.serverObjects;
import de.anomic.server.serverCore.Session;
public final class httpc {
// statics
private static final String vDATE = "20040602";
private static String userAgent;
public static String systemOST;
private static final int terminalMaxLength = 30000;
private static final TimeZone GMTTimeZone = TimeZone.getTimeZone("PST");
// --- The GMT standard date format used in the HTTP protocol
private static final SimpleDateFormat HTTPGMTFormatter = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss 'GMT'", Locale.US);
private static final SimpleDateFormat EMLFormatter = new SimpleDateFormat("dd MMM yyyy HH:mm:ss", Locale.US);
private static final SimpleDateFormat ShortFormatter = new SimpleDateFormat("yyyyMMddHHmmss");
//Mo 06 Sep 2004 23:32
private static final HashMap reverseMappingCache = new HashMap();
// class variables
private Socket socket = null; // client socket for commands
private String host = null;
private long timeout;
private long handle;
// output and input streams for client control connection
PushbackInputStream clientInput = null;
OutputStream clientOutput = null;
private boolean remoteProxyUse = false;
private String savedRemoteHost = null;
private String requestPath = null;
// the dns cache
private static final HashMap nameCacheHit = new HashMap();
//private static HashSet nameCacheMiss = new HashSet();
static {
// set time-out of InetAddress.getByName cache ttl
java.security.Security.setProperty("networkaddress.cache.ttl" , "60");
java.security.Security.setProperty("networkaddress.cache.negative.ttl" , "0");
}
/**
* A Object Pool containing all pooled httpc-objects.
* @see httpcPool
*/
private static final httpcPool theHttpcPool;
/**
* Indicates if the current object was removed from pool because the maximum limit
* was exceeded.
*/
boolean removedFromPool = false;
// Configuring the httpc object pool
static {
// implementation of session thread pool
GenericObjectPool.Config config = new GenericObjectPool.Config();
// The maximum number of active connections that can be allocated from pool at the same time,
// 0 for no limit
config.maxActive = 150;
// The maximum number of idle connections connections in the pool
// 0 = no limit.
config.maxIdle = 75;
config.minIdle = 10;
config.whenExhaustedAction = GenericObjectPool.WHEN_EXHAUSTED_BLOCK;
config.minEvictableIdleTimeMillis = 30000;
theHttpcPool = new httpcPool(new httpcFactory(),config);
}
/**
* A reusable readline buffer
* @see serverByteBuffer
*/
final serverByteBuffer readLineBuffer = new serverByteBuffer();
public static httpc getInstance(
String server,
int port,
int timeout,
boolean ssl,
String remoteProxyHost,
int remoteProxyPort
) throws IOException {
httpc newHttpc;
try {
// fetching a new httpc from the object pool
newHttpc = (httpc) httpc.theHttpcPool.borrowObject();
} catch (Exception e) {
throw new IOException("Unable to initialize a new httpc. " + e.getMessage());
}
// initialize it
newHttpc.init(server,port,timeout,ssl,remoteProxyHost, remoteProxyPort);
return newHttpc;
}
public static httpc getInstance(String server, int port, int timeout, boolean ssl) throws IOException {
httpc newHttpc = null;
// fetching a new httpc from the object pool
try {
newHttpc = (httpc) httpc.theHttpcPool.borrowObject();
} catch (Exception e) {
throw new IOException("Unable to initialize a new httpc. " + e.getMessage());
}
// initialize it
try {
newHttpc.init(server,port,timeout,ssl);
} catch (IOException e) {
try{ httpc.theHttpcPool.returnObject(newHttpc); } catch (Exception e1) {}
throw e;
}
return newHttpc;
}
public static void returnInstance(httpc theHttpc) {
try {
theHttpc.reset();
httpc.theHttpcPool.returnObject(theHttpc);
} catch (Exception e) {
// we could ignore this error
}
}
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();
}
public static String dnsResolve(String host) {
// looks for the ip of host <host> and returns ip number as string
String ip = (String) nameCacheHit.get(host);
if (ip != null) return ip;
// if (nameCacheMiss.contains(host)) return null;
try {
ip = InetAddress.getByName(host).getHostAddress();
if ((ip != null) && (!(ip.equals("127.0.0.1"))) && (!(ip.equals("localhost")))) {
nameCacheHit.put(host, ip);
return ip;
} else {
return null;
}
} catch (UnknownHostException e) {
//nameCacheMiss.add(host);
}
return null;
}
public static boolean dnsFetch(String host) {
// looks for the ip of host <host> and returns false if the host was in the cache
// if it is not in the cache the ip is fetched and this resturns true
if ((nameCacheHit.get(host) != null) /*|| (nameCacheMiss.contains(host)) */) return false;
try {
String ip = InetAddress.getByName(host).getHostAddress();
if ((ip != null) && (!(ip.equals("127.0.0.1"))) && (!(ip.equals("localhost")))) {
nameCacheHit.put(host, ip);
return true;
} else {
return false;
}
} catch (UnknownHostException e) {
//nameCacheMiss.add(host);
return false;
}
}
void reset() {
try {
if (this.clientInput != null) {
this.clientInput.close();
this.clientInput = null;
}
if (this.clientOutput != null) {
this.clientOutput.close();
this.clientOutput = null;
}
if (this.socket != null) {
this.socket.close();
this.socket = null;
}
this.host = null;
this.timeout = 0;
this.handle = 0;
this.remoteProxyUse = false;
this.savedRemoteHost = null;
this.requestPath = null;
} catch (Exception e) {
// we could ignore this ...
}
}
// http client
void init(String server, int port, int timeout, boolean ssl,
String remoteProxyHost, int remoteProxyPort) throws IOException {
this.init(remoteProxyHost, remoteProxyPort, timeout, ssl);
this.remoteProxyUse = true;
this.savedRemoteHost = server + ((port == 80) ? "" : (":" + port));
}
void init(String server, int port, int timeout, boolean ssl) throws IOException {
handle = System.currentTimeMillis();
//serverLog.logDebug("HTTPC", handle + " initialized");
this.remoteProxyUse = false;
this.timeout = timeout;
this.savedRemoteHost = server;
try {
this.host = server + ((port == 80) ? "" : (":" + port));
String 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);
}
if (ssl)
socket = SSLSocketFactory.getDefault().createSocket(hostip, port);
else
socket = new Socket(hostip, port);
socket.setSoTimeout(timeout); // waiting time for write
//socket.setSoLinger(true, timeout); // waiting time for read
socket.setKeepAlive(true); //
clientInput = new PushbackInputStream(socket.getInputStream());
clientOutput = socket.getOutputStream();
// if we reached this point, we should have a connection
} catch (UnknownHostException e) {
throw new IOException("unknown host: " + server);
}
}
// provide HTTP date handling static methods
public static String dateString(Date date) {
if (date == null) return ""; else return HTTPGMTFormatter.format(date);
}
public static Date nowDate() {
return new GregorianCalendar(GMTTimeZone).getTime();
}
static {
// provide system information for client identification
String loc = System.getProperty("user.timezone", "nowhere");
int p = loc.indexOf("/");
if (p > 0) loc = loc.substring(0,p);
loc = loc + "/" + System.getProperty("user.language", "dumb");
systemOST =
System.getProperty("os.arch", "no-os-arch") + " " + System.getProperty("os.name", "no-os-arch") + " " +
System.getProperty("os.version", "no-os-version") + "; " +
"java " + System.getProperty("java.version", "no-java-version") + "; " + loc;
userAgent = "yacy (www.yacy.net; v" + vDATE + "; " + systemOST + ")";
}
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 status; // the success/failure response string starting with status-code
private boolean gzip; // for gunzipping on-the-fly
private long gzipLength; // zipped-length of the response
public response(boolean zipped) throws IOException {
// lets start with worst-case attributes as set-up
responseHeader = new httpHeader(reverseMappingCache);
status = "503 internal error";
gzip = false;
// check connection status
if (clientInput == null) {
// the server has meanwhile disconnected
status = "503 lost connection to server";
return; // in bad mood
}
// reads in the http header, right now, right here
byte[] b = serverCore.receive(clientInput, readLineBuffer, timeout, terminalMaxLength, false);
if (b == null) {
// the server has meanwhile disconnected
status = "503 server has closed connection";
return; // in bad mood
}
String buffer = new String(b); // this is the status response line
//System.out.println("#S#" + buffer);
int p = buffer.indexOf(" ");
if (p < 0) {
status = "500 status line parse error";
// flush in anything that comes without parsing
while ((b = serverCore.receive(clientInput, readLineBuffer, timeout, terminalMaxLength, false)).length != 0) {}
return; // in bad mood
}
// we have a status
status = buffer.substring(p + 1).trim(); // the status code plus reason-phrase
// check validity
if (status.startsWith("400")) {
// bad request
// flush in anything that comes without parsing
while ((b = serverCore.receive(clientInput, readLineBuffer, timeout, 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(clientInput, readLineBuffer, timeout, terminalMaxLength, false)) != null) {
if (b.length == 0) break;
buffer = new String(b);
//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 (!(responseHeader.containsKey(key))) throw new IOException("header corrupted - internal error");
responseHeader.put(key, (String) responseHeader.get(key) + " " + buffer.trim());
} else {
// create new entry
p = buffer.indexOf(":");
if (p > 0) {
responseHeader.add(buffer.substring(0, p).trim(), buffer.substring(p + 1).trim());
} else {
serverLog.logError("HTTPC", "RESPONSE PARSE ERROR: HOST='" + host + "', PATH='" + requestPath + "', STATUS='" + status + "'");
serverLog.logError("HTTPC", "..............BUFFER: " + buffer);
}
}
}
// 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
gzip = ((zipped) && (responseHeader.gzip()));
if (gzip) {
// change attributes in case of gzip decoding
gzipLength = responseHeader.contentLength();
responseHeader.remove("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
responseHeader.remove("CONTENT-LENGTH"); // we cannot use the length during gunzippig yet; still we can hope that it works
} else {
gzipLength = -1;
}
//System.out.println("###incoming header: " + responseHeader.toString());
// the body must be read separately by the get/writeContent methods
//System.out.println("## connection is " + ((socket.isClosed()) ? "closed" : "open") + ".");
}
public boolean success() {
return ((status.charAt(0) == '2') || (status.charAt(0) == '3'));
}
public byte[] writeContent(OutputStream procOS) throws IOException {
int contentLength = (int) this.responseHeader.contentLength();
serverByteBuffer sbb = new serverByteBuffer((contentLength==-1)?8192:contentLength);
writeContentX(procOS, sbb, httpc.this.clientInput);
return sbb.getBytes();
}
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(procOS, bufferOS, httpc.this.clientInput);
} finally {
if (bufferOS != null) {
bufferOS.close();
if (file.length() == 0) file.delete();
}
}
}
public void writeContentX(OutputStream procOS, OutputStream bufferOS, InputStream clientInput) 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;
// find out length
long length = responseHeader.contentLength();
// we have three methods of reading: length-based, length-based gzip and connection-close-based
if (length > 0) {
// we read exactly 'length' bytes
try {
while ((len < length) && ((l = clientInput.read(buffer)) >= 0)) {
if (procOS != null) procOS.write(buffer, 0, l);
if (bufferOS != null) bufferOS.write(buffer, 0, l);
len += l;
}
} catch (java.net.SocketException e) {
// this is an error:
throw new IOException("Socket exception: " + e.getMessage());
} catch (java.net.SocketTimeoutException e) {
// this is an error:
throw new IOException("Socket time-out: " + e.getMessage());
}
} else if ((gzip) && (gzipLength > 0) && (gzipLength < 100000)) {
//System.out.println("PERFORMING NEW GZIP-LENGTH-BASED HTTPC: gzipLength=" + gzipLength); // DEBUG
// we read exactly 'gzipLength' bytes; first copy into buffer:
ByteArrayOutputStream baos = new ByteArrayOutputStream();
while ((len < gzipLength) && ((l = clientInput.read(buffer)) >= 0)) {
baos.write(buffer, 0, l);
len += l;
}
baos.flush();
// now uncompress
InputStream dis = new GZIPInputStream(new ByteArrayInputStream(baos.toByteArray()));
try {
while ((l = dis.read(buffer)) > 0) {
if (procOS != null) procOS.write(buffer, 0, l);
if (bufferOS != null) bufferOS.write(buffer, 0, l);
len += l;
}
} catch (java.net.SocketException e) {
// this is an error:
throw new IOException("Socket exception: " + e.getMessage());
} catch (java.net.SocketTimeoutException e) {
// this is an error:
throw new IOException("Socket time-out: " + e.getMessage());
}
baos.close(); baos = null;
} else {
// no content-length was given, thus we read until the connection closes
InputStream dis = (gzip) ? (InputStream) new GZIPInputStream(clientInput) : (InputStream) clientInput;
try {
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) {
// this is not an error: it's ok, we waited for that
} catch (java.net.SocketTimeoutException e) {
// the same here; should be ok.
}
}
// close the streams
if (procOS != null) procOS.flush();
if (bufferOS != null) bufferOS.flush();
buffer = null;
}
public void print() {
serverLog.logInfo("HTTPC", "RESPONSE: status=" + status + ", header=" + responseHeader.toString());
}
}
public void close() {
// closes the connection
try {
this.clientInput.close();
this.clientOutput.close();
this.socket.close();
} catch (IOException e) {}
}
// method is either GET, HEAD or POST
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:
requestPath = path;
// prepare header
if (header == null) header = new httpHeader();
// set some standard values
if (!(header.containsKey("Accept")))
header.put("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("Accept-Charset")))
header.put("Accept-Charset", "ISO-8859-1,utf-8;q=0.7,*;q=0.7");
if (!(header.containsKey("Accept-Language")))
header.put("Accept-Language", "en-us,en;q=0.5");
if (!(header.containsKey("Keep-Alive")))
header.put("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("User-Agent"))) header.put("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("Host"))) {
if (this.remoteProxyUse)
header.put("Host", savedRemoteHost);
else
header.put("Host", this.host);
}
if (!(header.containsKey("Connection"))) {
header.put("Connection", "close");
}
// advertise a little bit...
if ((!(header.containsKey("Referer"))) || (((String) header.get("Referer")).trim().length() == 0)) {
header.put("Referer",
(((System.currentTimeMillis() >> 10) & 1) == 0) ?
"http://www.anomic.de" :
"http://www.yacy.net/yacy");
}
// stimulate zipping or not
// we can unzip, and we will return it always as unzipped, unless not wanted
if (header.containsKey("Accept-Encoding")) {
String encoding = (String) header.get("Accept-Encoding");
if (zipped) {
if (encoding.indexOf("gzip") < 0) {
// add the gzip encoding
//System.out.println("!!! adding gzip encoding");
header.put("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("Accept-Encoding", encoding.substring(0, pos) + encoding.substring(pos + 4));
}
}
} else {
if (zipped) header.put("Accept-Encoding", "gzip,deflate");
}
//header = new httpHeader(); header.put("Host", this.host); // debug
// send request
if ((this.remoteProxyUse) && (!(method.equals("CONNECT"))))
path = "http://" + this.savedRemoteHost + path;
serverCore.send(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;
String value;
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(clientOutput, key + ": " + ((String) header.getSingle(key, j)).trim());
}
//System.out.println("#" + key + ": " + value);
}
}
// send terminating line
serverCore.send(clientOutput, "");
clientOutput.flush();
// this is the place where www.stern.de refuses to answer ..???
}
private boolean shallTransportZipped(String path) {
return (!((path.endsWith(".gz")) || (path.endsWith(".tgz")) ||
(path.endsWith(".jpg")) || (path.endsWith(".jpeg")) ||
(path.endsWith(".gif")) | (path.endsWith(".zip"))));
}
public response GET(String path, httpHeader requestHeader) throws IOException {
//serverLog.logDebug("HTTPC", handle + " requested GET '" + path + "', time = " + (System.currentTimeMillis() - handle));
try {
boolean zipped = shallTransportZipped(path);
send("GET", path, requestHeader, zipped);
response r = new response(zipped);
//serverLog.logDebug("HTTPC", handle + " returned GET '" + path + "', time = " + (System.currentTimeMillis() - handle));
return r;
} catch (SocketException e) {
throw new IOException(e.getMessage());
}
}
public response HEAD(String path, httpHeader requestHeader) throws IOException {
try {
send("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());
}
}
public response POST(String path, httpHeader requestHeader, InputStream ins) throws IOException {
try {
send("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("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)) {
clientOutput.write(buffer, 0, c);
len -= c;
}
} else {
len = 0;
while ((c = ins.read(buffer)) >= 0) {
clientOutput.write(buffer, 0, c);
len += c;
}
requestHeader.put("CONTENT-LENGTH", "" + len);
}
clientOutput.flush();
return new response(false);
} catch (SocketException e) {
throw new IOException(e.getMessage());
}
}
public response CONNECT(String host, int port, httpHeader requestHeader) throws IOException {
try {
send("CONNECT", host + ":" + port, requestHeader, false);
return new response(false);
} catch (SocketException e) {
throw new IOException(e.getMessage());
}
}
public response POST(String path, httpHeader requestHeader, serverObjects args, Hashtable 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("CONTENT-TYPE");
if (boundary == null) {
// create a boundary
boundary = "multipart/form-data; boundary=----------" + java.lang.System.currentTimeMillis();
requestHeader.put("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("CONTENT-TYPE", boundary);
pos = boundary.indexOf("boundary=");
}
boundary = "--" + boundary.substring(pos + "boundary=".length());
ByteArrayOutputStream buf = new ByteArrayOutputStream();
// 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
buf.write(boundary.getBytes());
buf.write(serverCore.crlf);
// write value
key = (String) e.nextElement();
value = (String) args.get(key, "");
if ((files != null) && (files.containsKey(key))) {
// we are about to write a file
buf.write(("Content-Disposition: form-data; name=" + '"' + key + '"' + "; filename=" + '"' + value + '"').getBytes());
buf.write(serverCore.crlf);
buf.write(serverCore.crlf);
buf.write((byte[]) files.get(key));
buf.write(serverCore.crlf);
} else {
// write a single value
buf.write(("Content-Disposition: form-data; name=" + '"' + key + '"').getBytes());
buf.write(serverCore.crlf);
buf.write(serverCore.crlf);
buf.write(value.getBytes());
buf.write(serverCore.crlf);
}
}
// finish with a boundary
buf.write(boundary.getBytes());
buf.write(serverCore.crlf);
//buf.write("" + serverCore.crlfString);
}
// create body array
buf.close();
byte[] body = buf.toByteArray();
//System.out.println("DEBUG: PUT BODY=" + new String(body));
// size of that body
requestHeader.put("CONTENT-LENGTH", "" + body.length);
// send the header
//System.out.println("header=" + requestHeader);
send("POST", path, requestHeader, false);
// send the body
//System.out.println("body=" + buf.toString());
serverCore.send(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 host, int port, String path, int timeout,
String user, String password, boolean ssl,
String proxyHost, int proxyPort,
httpHeader requestHeader) throws IOException {
if (requestHeader == null) requestHeader = new httpHeader();
if ((user != null) && (password != null) && (user.length() != 0)) {
requestHeader.put("Authorization", serverCodings.standardCoder.encodeBase64String(user + ":" + password));
}
httpc con = null;
try {
if ((proxyHost == null) || (proxyPort == 0)) {
con = httpc.getInstance(host, port, timeout, ssl);
} else {
con = httpc.getInstance(host, port, timeout, ssl, proxyHost, proxyPort);
}
httpc.response res = con.GET(path, null);
if (res.status.startsWith("2")) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
res.writeContent(bos, null);
con.close();
return bos.toByteArray();
} else {
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, int timeout,
String user, String password,
String proxyHost, int proxyPort) 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(), port, path, timeout, user, password, ssl, proxyHost, proxyPort, 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 host, int port, String path, int timeout,
String user, String password, boolean ssl,
String proxyHost, int proxyPort,
httpHeader requestHeader, serverObjects props) throws IOException {
if (requestHeader == null) requestHeader = new httpHeader();
if ((user != null) && (password != null) && (user.length() != 0)) {
requestHeader.put("Authorization", serverCodings.standardCoder.encodeBase64String(user + ":" + password));
}
httpc con = null;
try {
if ((proxyHost == null) || (proxyPort == 0))
con = httpc.getInstance(host, port, timeout, ssl);
else
con = httpc.getInstance(host, port, timeout, ssl, proxyHost, proxyPort);
httpc.response res = con.POST(path, null, props, null);
//System.out.println("response=" + res.toString());
if (res.status.startsWith("2")) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
res.writeContent(bos, null);
con.close();
return bos.toByteArray();
} else {
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, int timeout,
String user, String password,
String proxyHost, int proxyPort,
serverObjects props) 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(), port, path, timeout, user, password, ssl, proxyHost, proxyPort, null, props);
}
public static byte[] singlePOST(String url, int timeout, serverObjects props) throws IOException {
try {
return singlePOST(new URL(url), timeout, null, null, null, 0, props);
} catch (MalformedURLException e) {
throw new IOException("Malformed URL: " + e.getMessage());
}
}
public static Vector wget(URL url, int timeout, String user, String password, String proxyHost, int proxyPort) throws IOException {
// splitting of the byte array into lines
byte[] a = singleGET(url, timeout, user, password, proxyHost, proxyPort);
if (a == null) return null;
int s = 0;
int e;
Vector v = new Vector();
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, int timeout, String user, String password, String proxyHost, int proxyPort) throws IOException {
// generate request header
httpHeader requestHeader = new httpHeader();
if ((user != null) && (password != null) && (user.length() != 0)) {
requestHeader.put("Authorization", serverCodings.standardCoder.encodeBase64String(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 host = url.getHost();
// start connection
httpc con = null;
try {
if ((proxyHost == null) || (proxyPort == 0))
con = httpc.getInstance(host, port, timeout, ssl);
else con = httpc.getInstance(host, port, timeout, ssl, proxyHost, proxyPort);
httpc.response res = con.HEAD(path, requestHeader);
if (res.status.startsWith("2")) {
// success
return res.responseHeader;
} else {
// fail
return res.responseHeader;
}
} catch (Exception e) {
throw new IOException(e.getMessage());
} finally {
if (con != null) httpc.returnInstance(con);
}
}
/*
public static Vector wget(String url) {
try {
return wget(new URL(url), 5000, null, null, null, 0);
} catch (IOException e) {
Vector ll = new Vector();
ll.add("503 " + e.getMessage());
return ll;
}
}
*/
public static Vector wput(URL url, int timeout, String user, String password, String proxyHost, int proxyPort, serverObjects props) throws IOException {
// splitting of the byte array into lines
byte[] a = singlePOST(url, timeout, user, password, proxyHost, proxyPort, props);
//System.out.println("wput-out=" + new String(a));
int s = 0;
int e;
Vector v = new Vector();
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 Vector wput(String url, serverObjects props) {
try {
return wput(url, 5000, null, null, null, 0, props);
} catch (IOException e) {
serverLog.logError("HTTPC", "wput exception for url " + url + ": " + e.getMessage());
e.printStackTrace();
Vector ll = new Vector();
ll.add("503 " + e.getMessage());
return ll;
}
}
*/
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;
Vector text = new Vector();
if (args.length == 4) {
int timeout = Integer.parseInt(args[1]);
String proxyHost = args[2];
int proxyPort = Integer.parseInt(args[3]);
try {
text = wget(new URL(url), timeout, null, null, proxyHost, proxyPort);
} 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);
}*/
Enumeration i = text.elements();
while (i.hasMoreElements()) System.out.println((String) i.nextElement());
}
}
/*
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) {
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) {
if (obj instanceof httpc)
{
httpc theHttpc = (httpc) obj;
return true;
}
return true;
}
/**
* @param obj
*
*/
public void activateObject(Object obj) {
//log.debug(" activateObject...");
}
/**
* @param obj
*
*/
public void passivateObject(Object obj) {
//log.debug(" passivateObject..." + obj);
if (obj instanceof Session) {
httpc theHttpc = (httpc) obj;
}
}
}
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);
}
}
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