/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package com.aliyun.api.gateway.demo.util;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URLEncoder;
import java.nio.ByteBuffer;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritableByteChannel;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.apache.commons.lang.StringUtils;
import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.CoreConnectionPNames;
import com.aliyun.api.gateway.demo.Response;
import com.aliyun.api.gateway.demo.constant.Constants;
import com.aliyun.api.gateway.demo.constant.ContentType;
import com.aliyun.api.gateway.demo.constant.HttpHeader;
import com.aliyun.api.gateway.demo.constant.HttpMethod;
import com.aliyun.api.gateway.demo.constant.SystemHeader;
/**
* Http工具类
*/
public class HttpUtil {
/**
* HTTP GET
* @param host
* @param path
* @param connectTimeout
* @param headers
* @param querys
* @param signHeaderPrefixList
* @param appKey
* @param appSecret
* @return
* @throws Exception
*/
public static Response httpGet(String host, String path, int connectTimeout, Map<String, String> headers, Map<String, String> querys, List<String> signHeaderPrefixList, String appKey, String appSecret)
throws Exception {
headers = initialBasicHeader(HttpMethod.GET, path, headers, querys, null, signHeaderPrefixList, appKey, appSecret);
HttpClient httpClient = wrapClient(host);
httpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, getTimeout(connectTimeout));
HttpGet get = new HttpGet(initUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
get.addHeader(e.getKey(), MessageDigestUtil.utf8ToIso88591(e.getValue()));
}
return convert(httpClient.execute(get));
}
/**
* HTTP POST表单
* @param host
* @param path
* @param connectTimeout
* @param headers
* @param querys
* @param bodys
* @param signHeaderPrefixList
* @param appKey
* @param appSecret
* @return
* @throws Exception
*/
public static Response httpPost(String host, String path, int connectTimeout, Map<String, String> headers, Map<String, String> querys, Map<String, String> bodys, List<String> signHeaderPrefixList, String appKey, String appSecret)
throws Exception {
if (headers == null) {
headers = new HashMap<String, String>();
}
headers.put(HttpHeader.HTTP_HEADER_CONTENT_TYPE, ContentType.CONTENT_TYPE_FORM);
headers = initialBasicHeader(HttpMethod.POST, path, headers, querys, bodys, signHeaderPrefixList, appKey, appSecret);
HttpClient httpClient = wrapClient(host);
httpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, getTimeout(connectTimeout));
HttpPost post = new HttpPost(initUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
post.addHeader(e.getKey(), MessageDigestUtil.utf8ToIso88591(e.getValue()));
}
UrlEncodedFormEntity formEntity = buildFormEntity(bodys);
if (formEntity != null) {
post.setEntity(formEntity);
}
return convert(httpClient.execute(post));
}
/**
* Http POST 字符串
* @param host
* @param path
* @param connectTimeout
* @param headers
* @param querys
* @param body
* @param signHeaderPrefixList
* @param appKey
* @param appSecret
* @return
* @throws Exception
*/
public static Response httpPost(String host, String path, int connectTimeout, Map<String, String> headers, Map<String, String> querys, String body, List<String> signHeaderPrefixList, String appKey, String appSecret)
throws Exception {
headers = initialBasicHeader(HttpMethod.POST, path, headers, querys, null, signHeaderPrefixList, appKey, appSecret);
HttpClient httpClient = wrapClient(host);
httpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, getTimeout(connectTimeout));
HttpPost post = new HttpPost(initUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
post.addHeader(e.getKey(), MessageDigestUtil.utf8ToIso88591(e.getValue()));
}
if (StringUtils.isNotBlank(body)) {
post.setEntity(new StringEntity(body, Constants.ENCODING));
}
return convert(httpClient.execute(post));
}
/**
* HTTP POST 字节数组
* @param host
* @param path
* @param connectTimeout
* @param headers
* @param querys
* @param bodys
* @param signHeaderPrefixList
* @param appKey
* @param appSecret
* @return
* @throws Exception
*/
public static Response httpPost(String host, String path, int connectTimeout, Map<String, String> headers, Map<String, String> querys, byte[] bodys, List<String> signHeaderPrefixList, String appKey, String appSecret)
throws Exception {
headers = initialBasicHeader(HttpMethod.POST, path, headers, querys, null, signHeaderPrefixList, appKey, appSecret);
HttpClient httpClient = wrapClient(host);
httpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, getTimeout(connectTimeout));
HttpPost post = new HttpPost(initUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
post.addHeader(e.getKey(), MessageDigestUtil.utf8ToIso88591(e.getValue()));
}
if (bodys != null) {
post.setEntity(new ByteArrayEntity(bodys));
}
return convert(httpClient.execute(post));
}
/**
* HTTP PUT 字符串
* @param host
* @param path
* @param connectTimeout
* @param headers
* @param querys
* @param body
* @param signHeaderPrefixList
* @param appKey
* @param appSecret
* @return
* @throws Exception
*/
public static Response httpPut(String host, String path, int connectTimeout, Map<String, String> headers, Map<String, String> querys, String body, List<String> signHeaderPrefixList, String appKey, String appSecret)
throws Exception {
headers = initialBasicHeader(HttpMethod.PUT, path, headers, querys, null, signHeaderPrefixList, appKey, appSecret);
HttpClient httpClient = wrapClient(host);
httpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, getTimeout(connectTimeout));
HttpPut put = new HttpPut(initUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
put.addHeader(e.getKey(), MessageDigestUtil.utf8ToIso88591(e.getValue()));
}
if (StringUtils.isNotBlank(body)) {
put.setEntity(new StringEntity(body, Constants.ENCODING));
}
return convert(httpClient.execute(put));
}
/**
* HTTP PUT字节数组
* @param host
* @param path
* @param connectTimeout
* @param headers
* @param querys
* @param bodys
* @param signHeaderPrefixList
* @param appKey
* @param appSecret
* @return
* @throws Exception
*/
public static Response httpPut(String host, String path, int connectTimeout, Map<String, String> headers, Map<String, String> querys, byte[] bodys, List<String> signHeaderPrefixList, String appKey, String appSecret)
throws Exception {
headers = initialBasicHeader(HttpMethod.PUT, path, headers, querys, null, signHeaderPrefixList, appKey, appSecret);
HttpClient httpClient = wrapClient(host);
httpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, getTimeout(connectTimeout));
HttpPut put = new HttpPut(initUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
put.addHeader(e.getKey(), MessageDigestUtil.utf8ToIso88591(e.getValue()));
}
if (bodys != null) {
put.setEntity(new ByteArrayEntity(bodys));
}
return convert(httpClient.execute(put));
}
/**
* HTTP DELETE
* @param host
* @param path
* @param connectTimeout
* @param headers
* @param querys
* @param signHeaderPrefixList
* @param appKey
* @param appSecret
* @return
* @throws Exception
*/
public static Response httpDelete(String host, String path, int connectTimeout, Map<String, String> headers, Map<String, String> querys, List<String> signHeaderPrefixList, String appKey, String appSecret)
throws Exception {
headers = initialBasicHeader(HttpMethod.DELETE, path, headers, querys, null, signHeaderPrefixList, appKey, appSecret);
HttpClient httpClient = wrapClient(host);
httpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, getTimeout(connectTimeout));
HttpDelete delete = new HttpDelete(initUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
delete.addHeader(e.getKey(), MessageDigestUtil.utf8ToIso88591(e.getValue()));
}
return convert(httpClient.execute(delete));
}
/**
* 构建FormEntity
*
* @param formParam
* @return
* @throws UnsupportedEncodingException
*/
private static UrlEncodedFormEntity buildFormEntity(Map<String, String> formParam)
throws UnsupportedEncodingException {
if (formParam != null) {
List<NameValuePair> nameValuePairList = new ArrayList<NameValuePair>();
for (String key : formParam.keySet()) {
nameValuePairList.add(new BasicNameValuePair(key, formParam.get(key)));
}
UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(nameValuePairList, Constants.ENCODING);
formEntity.setContentType(ContentType.CONTENT_TYPE_FORM);
return formEntity;
}
return null;
}
private static String initUrl(String host, String path, Map<String, String> querys) throws UnsupportedEncodingException {
StringBuilder sbUrl = new StringBuilder();
sbUrl.append(host);
if (!StringUtils.isBlank(path)) {
sbUrl.append(path);
}
if (null != querys) {
StringBuilder sbQuery = new StringBuilder();
for (Map.Entry<String, String> query : querys.entrySet()) {
if (0 < sbQuery.length()) {
sbQuery.append(Constants.SPE3);
}
if (StringUtils.isBlank(query.getKey()) && !StringUtils.isBlank(query.getValue())) {
sbQuery.append(query.getValue());
}
if (!StringUtils.isBlank(query.getKey())) {
sbQuery.append(query.getKey());
if (!StringUtils.isBlank(query.getValue())) {
sbQuery.append(Constants.SPE4);
sbQuery.append(URLEncoder.encode(query.getValue(), Constants.ENCODING));
}
}
}
if (0 < sbQuery.length()) {
sbUrl.append(Constants.SPE5).append(sbQuery);
}
}
return sbUrl.toString();
}
/**
* 初始化基础Header
* @param method
* @param path
* @param headers
* @param querys
* @param bodys
* @param signHeaderPrefixList
* @param appKey
* @param appSecret
* @return
* @throws MalformedURLException
*/
private static Map<String, String> initialBasicHeader(String method, String path,
Map<String, String> headers,
Map<String, String> querys,
Map<String, String> bodys,
List<String> signHeaderPrefixList,
String appKey, String appSecret)
throws MalformedURLException {
if (headers == null) {
headers = new HashMap<String, String>();
}
headers.put(SystemHeader.X_CA_TIMESTAMP, String.valueOf(new Date().getTime()));
//headers.put(SystemHeader.X_CA_NONCE, UUID.randomUUID().toString());
headers.put(SystemHeader.X_CA_KEY, appKey);
headers.put(SystemHeader.X_CA_SIGNATURE,
SignUtil.sign(appSecret, method, path, headers, querys, bodys, signHeaderPrefixList));
return headers;
}
/**
* 读取超时时间
*
* @param timeout
* @return
*/
private static int getTimeout(int timeout) {
if (timeout == 0) {
return Constants.DEFAULT_TIMEOUT;
}
return timeout;
}
private static Response convert(HttpResponse response) throws IOException {
Response res = new Response();
if (null != response) {
res.setStatusCode(response.getStatusLine().getStatusCode());
for (Header header : response.getAllHeaders()) {
res.setHeader(header.getName(), MessageDigestUtil.iso88591ToUtf8(header.getValue()));
}
res.setContentType(res.getHeader("Content-Type"));
res.setRequestId(res.getHeader("X-Ca-Request-Id"));
res.setErrorMessage(res.getHeader("X-Ca-Error-Message"));
res.setBody(readStreamAsStr(response.getEntity().getContent()));
} else {
//服务器无回应
res.setStatusCode(500);
res.setErrorMessage("No Response");
}
return res;
}
/**
* 将流转换为字符串
*
* @param is
* @return
* @throws IOException
*/
public static String readStreamAsStr(InputStream is) throws IOException {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
WritableByteChannel dest = Channels.newChannel(bos);
ReadableByteChannel src = Channels.newChannel(is);
ByteBuffer bb = ByteBuffer.allocate(4096);
while (src.read(bb) != -1) {
bb.flip();
dest.write(bb);
bb.clear();
}
src.close();
dest.close();
return new String(bos.toByteArray(), Constants.ENCODING);
}
private static HttpClient wrapClient(String host) {
HttpClient httpClient = new DefaultHttpClient();
if (host.startsWith("https://")) {
sslClient(httpClient);
}
return httpClient;
}
private static void sslClient(HttpClient httpClient) {
try {
SSLContext ctx = SSLContext.getInstance("TLS");
X509TrustManager tm = new X509TrustManager() {
public X509Certificate[] getAcceptedIssuers() {
return null;
}
public void checkClientTrusted(X509Certificate[] xcs, String str) {
}
public void checkServerTrusted(X509Certificate[] xcs, String str) {
}
};
ctx.init(null, new TrustManager[] { tm }, null);
SSLSocketFactory ssf = new SSLSocketFactory(ctx);
ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
ClientConnectionManager ccm = httpClient.getConnectionManager();
SchemeRegistry registry = ccm.getSchemeRegistry();
registry.register(new Scheme("https", 443, ssf));
} catch (KeyManagementException ex) {
throw new RuntimeException(ex);
} catch (NoSuchAlgorithmException ex) {
throw new RuntimeException(ex);
}
}
}
