package jframe.pay.wx.http.util;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.security.UnrecoverableKeyException;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.util.HashMap;
import java.util.Map;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManagerFactory;
public class HttpClientUtil {
public static final String SunX509 = "SunX509";
public static final String JKS = "JKS";
public static final String PKCS12 = "PKCS12";
public static final String TLS = "TLS";
/**
* get HttpURLConnection
*
* @param strUrl
* url
* @return HttpURLConnection
* @throws IOException
*/
public static HttpURLConnection getHttpURLConnection(String strUrl)
throws IOException {
URL url = new URL(strUrl);
HttpURLConnection httpURLConnection = (HttpURLConnection) url
.openConnection();
return httpURLConnection;
}
/**
* get HttpsURLConnection
*
* @param strUrl
* url
* @return HttpsURLConnection
* @throws IOException
*/
public static HttpsURLConnection getHttpsURLConnection(String strUrl)
throws IOException {
URL url = new URL(strUrl);
HttpsURLConnection httpsURLConnection = (HttpsURLConnection) url
.openConnection();
return httpsURLConnection;
}
/**
* @param strUrl
* @return String
*/
public static String getURL(String strUrl) {
if (null != strUrl) {
int indexOf = strUrl.indexOf("?");
if (-1 != indexOf) {
return strUrl.substring(0, indexOf);
}
return strUrl;
}
return strUrl;
}
/**
* @param strUrl
* @return String
*/
public static String getQueryString(String strUrl) {
if (null != strUrl) {
int indexOf = strUrl.indexOf("?");
if (-1 != indexOf) {
return strUrl.substring(indexOf + 1, strUrl.length());
}
return "";
}
return strUrl;
}
/**
* name1=key1&name2=key2&...
*
* @param queryString
* @return
*/
public static Map queryString2Map(String queryString) {
if (null == queryString || "".equals(queryString)) {
return null;
}
Map m = new HashMap();
String[] strArray = queryString.split("&");
for (int index = 0; index < strArray.length; index++) {
String pair = strArray[index];
HttpClientUtil.putMapByPair(pair, m);
}
return m;
}
/**
* pair:name=value
*
* @param pair
* name=value
* @param m
*/
public static void putMapByPair(String pair, Map m) {
if (null == pair || "".equals(pair)) {
return;
}
int indexOf = pair.indexOf("=");
if (-1 != indexOf) {
String k = pair.substring(0, indexOf);
String v = pair.substring(indexOf + 1, pair.length());
if (null != k && !"".equals(k)) {
m.put(k, v);
}
} else {
m.put(pair, "");
}
}
/**
*
* @param reader
* @return String
* @throws IOException
*/
public static String bufferedReader2String(BufferedReader reader)
throws IOException {
StringBuffer buf = new StringBuffer();
String line = null;
while ((line = reader.readLine()) != null) {
buf.append(line);
buf.append("\r\n");
}
return buf.toString();
}
/**
*
* @param out
* @param data
* @param len
* @throws IOException
*/
public static void doOutput(OutputStream out, byte[] data, int len)
throws IOException {
int dataLen = data.length;
int off = 0;
while (off < data.length) {
if (len >= dataLen) {
out.write(data, off, dataLen);
off += dataLen;
} else {
out.write(data, off, len);
off += len;
dataLen -= len;
}
out.flush();
}
}
/**
*
* @param trustFile
* @param trustPasswd
* @param keyFile
* @param keyPasswd
* @return
* @throws NoSuchAlgorithmException
* @throws KeyStoreException
* @throws IOException
* @throws CertificateException
* @throws UnrecoverableKeyException
* @throws KeyManagementException
*/
public static SSLContext getSSLContext(
FileInputStream trustFileInputStream, String trustPasswd,
FileInputStream keyFileInputStream, String keyPasswd)
throws NoSuchAlgorithmException, KeyStoreException,
CertificateException, IOException, UnrecoverableKeyException,
KeyManagementException {
// ca
TrustManagerFactory tmf = TrustManagerFactory
.getInstance(HttpClientUtil.SunX509);
KeyStore trustKeyStore = KeyStore.getInstance(HttpClientUtil.JKS);
trustKeyStore.load(trustFileInputStream,
HttpClientUtil.str2CharArray(trustPasswd));
tmf.init(trustKeyStore);
final char[] kp = HttpClientUtil.str2CharArray(keyPasswd);
KeyManagerFactory kmf = KeyManagerFactory
.getInstance(HttpClientUtil.SunX509);
KeyStore ks = KeyStore.getInstance(HttpClientUtil.PKCS12);
ks.load(keyFileInputStream, kp);
kmf.init(ks, kp);
SecureRandom rand = new SecureRandom();
SSLContext ctx = SSLContext.getInstance(HttpClientUtil.TLS);
ctx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), rand);
return ctx;
}
/**
*
* @param cafile
* @return Certificate
* @throws CertificateException
* @throws IOException
*/
public static Certificate getCertificate(File cafile)
throws CertificateException, IOException {
CertificateFactory cf = CertificateFactory.getInstance("X.509");
FileInputStream in = new FileInputStream(cafile);
Certificate cert = cf.generateCertificate(in);
in.close();
return cert;
}
/**
*
* @param str
* @return char[]
*/
public static char[] str2CharArray(String str) {
if (null == str)
return null;
return str.toCharArray();
}
/**
*
* @param cert
* @param alias
* @param password
* @param out
* @throws KeyStoreException
* @throws NoSuchAlgorithmException
* @throws CertificateException
* @throws IOException
*/
public static void storeCACert(Certificate cert, String alias,
String password, OutputStream out) throws KeyStoreException,
NoSuchAlgorithmException, CertificateException, IOException {
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(null, null);
ks.setCertificateEntry(alias, cert);
// store keystore
ks.store(out, HttpClientUtil.str2CharArray(password));
}
public static InputStream String2Inputstream(String str) {
return new ByteArrayInputStream(str.getBytes());
}
/**
*
* @param in
* @return byte
* @throws Exception
*/
public static byte[] InputStreamTOByte(InputStream in) throws IOException {
int BUFFER_SIZE = 4096;
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
byte[] data = new byte[BUFFER_SIZE];
int count = -1;
while ((count = in.read(data, 0, BUFFER_SIZE)) != -1)
outStream.write(data, 0, count);
data = null;
byte[] outByte = outStream.toByteArray();
outStream.close();
return outByte;
}
/**
*
* @param in
* @param encoding
* @return String
* @throws Exception
*/
public static String InputStreamTOString(InputStream in, String encoding)
throws IOException {
return new String(InputStreamTOByte(in), encoding);
}
}