HttpKitExt.java
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package com.jfinal.weixin.sdk.utils;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.KeyStore;
import java.security.SecureRandom;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManager;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import com.jfinal.kit.StrKit;
import com.jfinal.weixin.sdk.api.MediaFile;
/**
* 对HttpKit添加功能
* @author L.cm
*
*/
class HttpKitExt {
private static final String DEFAULT_USER_AGENT = "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.146 Safari/537.36";
/**
* 上传临时素材，本段代码来自老版本（____′↘夏悸 / wechat），致敬！
* @param url 图片上传地址
* @param file 需要上传的文件
* @return ApiResult
* @throws IOException
*/
protected static String uploadMedia(String url, File file, String params) throws IOException {
URL urlGet = new URL(url);
HttpURLConnection conn = (HttpURLConnection) urlGet.openConnection();
conn.setDoOutput(true);
conn.setDoInput(true);
conn.setUseCaches(false);
conn.setRequestMethod("POST");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent", DEFAULT_USER_AGENT);
conn.setRequestProperty("Charsert", "UTF-8");
// 定义数据分隔线
String BOUNDARY = "----WebKitFormBoundaryiDGnV9zdZA1eM1yL";
conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + BOUNDARY);
OutputStream out = new DataOutputStream(conn.getOutputStream());
// 定义最后数据分隔线
StringBuilder mediaData = new StringBuilder();
mediaData.append("--").append(BOUNDARY).append("\r\n");
mediaData.append("Content-Disposition: form-data;name=\"media\";filename=\""+ file.getName() + "\"\r\n");
mediaData.append("Content-Type:application/octet-stream\r\n\r\n");
byte[] mediaDatas = mediaData.toString().getBytes();
out.write(mediaDatas);
DataInputStream fs = new DataInputStream(new FileInputStream(file));
int bytes = 0;
byte[] bufferOut = new byte[1024];
while ((bytes = fs.read(bufferOut)) != -1) {
out.write(bufferOut, 0, bytes);
}
IOUtils.closeQuietly(fs);
// 多个文件时，二个文件之间加入这个
out.write("\r\n".getBytes());
if (StrKit.notBlank(params)) {
StringBuilder paramData = new StringBuilder();
paramData.append("--").append(BOUNDARY).append("\r\n");
paramData.append("Content-Disposition: form-data;name=\"description\";");
byte[] paramDatas = paramData.toString().getBytes();
out.write(paramDatas);
out.write(params.getBytes(Charsets.UTF_8));
}
byte[] end_data = ("\r\n--" + BOUNDARY + "--\r\n").getBytes();
out.write(end_data);
out.flush();
IOUtils.closeQuietly(out);
// 定义BufferedReader输入流来读取URL的响应
InputStream in = conn.getInputStream();
BufferedReader read = new BufferedReader(new InputStreamReader(in, Charsets.UTF_8));
String valueString = null;
StringBuffer bufferRes = null;
bufferRes = new StringBuffer();
while ((valueString = read.readLine()) != null){
bufferRes.append(valueString);
}
IOUtils.closeQuietly(in);
// 关闭连接
if (conn != null) {
conn.disconnect();
}
return bufferRes.toString();
}
/**
* 获取永久素材
* @param url 素材地址
* @return params post参数
* @return InputStream 流，考虑到这里可能返回json或file
* @throws IOException
*/
protected static InputStream downloadMaterial(String url, String params) throws IOException {
URL _url = new URL(url);
HttpURLConnection conn = (HttpURLConnection) _url.openConnection();
// 连接超时
conn.setConnectTimeout(25000);
// 读取超时 --服务器响应比较慢，增大时间
conn.setReadTimeout(25000);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "Keep-Alive");
conn.setRequestProperty("User-Agent", DEFAULT_USER_AGENT);
conn.setDoOutput(true);
conn.setDoInput(true);
conn.connect();
if (StrKit.notBlank(params)) {
OutputStream out = conn.getOutputStream();
out.write(params.getBytes(Charsets.UTF_8));
out.flush();
IOUtils.closeQuietly(out);
}
return conn.getInputStream();
}
/**
* 下载素材，本段代码来自老版本（____′↘夏悸 / wechat），致敬！
* @param url 素材地址
* @return MediaFile
* @throws IOException
*/
protected static MediaFile download(String url) throws IOException {
MediaFile mediaFile = new MediaFile();
URL _url = new URL(url);
HttpURLConnection conn = (HttpURLConnection) _url.openConnection();
// 连接超时
conn.setConnectTimeout(25000);
// 读取超时 --服务器响应比较慢，增大时间
conn.setReadTimeout(25000);
conn.setRequestMethod("GET");
conn.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
conn.setRequestProperty("User-Agent", DEFAULT_USER_AGENT);
conn.setDoOutput(true);
conn.setDoInput(true);
conn.connect();
if(conn.getContentType().equalsIgnoreCase("text/plain")){
// 定义BufferedReader输入流来读取URL的响应
InputStream in = conn.getInputStream();
BufferedReader read = new BufferedReader(new InputStreamReader(in, Charsets.UTF_8));
String valueString = null;
StringBuffer bufferRes = new StringBuffer();
while ((valueString = read.readLine()) != null){
bufferRes.append(valueString);
}
read.close();
IOUtils.closeQuietly(in);
mediaFile.setError(bufferRes.toString());
}else{
BufferedInputStream bis = new BufferedInputStream(conn.getInputStream());
String ds = conn.getHeaderField("Content-disposition");
String fullName = ds.substring(ds.indexOf("filename=\"") + 10, ds.length() - 1);
String relName = fullName.substring(0, fullName.lastIndexOf("."));
String suffix = fullName.substring(relName.length()+1);
mediaFile.setFullName(fullName);
mediaFile.setFileName(relName);
mediaFile.setSuffix(suffix);
mediaFile.setContentLength(conn.getHeaderField("Content-Length"));
mediaFile.setContentType(conn.getHeaderField("Content-Type"));
mediaFile.setFileStream(bis);
}
return mediaFile;
}
/**
* 涉及资金回滚的接口会使用到商户证书，包括退款、撤销接口的请求
* @param url 请求的地址
* @param data xml数据
* @param certPath 证书文件目录
* @param certPass 证书密码
* @return String 回调的xml信息
*/
protected static String postSSL(String url, String data, String certPath, String certPass) {
HttpsURLConnection conn = null;
OutputStream out = null;
InputStream inputStream = null;
BufferedReader reader = null;
try {
KeyStore clientStore = KeyStore.getInstance("PKCS12");
clientStore.load(new FileInputStream(certPath), certPass.toCharArray());
KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
kmf.init(clientStore, certPass.toCharArray());
KeyManager[] kms = kmf.getKeyManagers();
SSLContext sslContext = SSLContext.getInstance("TLSv1");
sslContext.init(kms, null, new SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(sslContext.getSocketFactory());
URL _url = new URL(url);
conn = (HttpsURLConnection) _url.openConnection();
conn.setConnectTimeout(25000);
conn.setReadTimeout(25000);
conn.setRequestMethod("POST");
conn.setDoOutput(true);
conn.setDoInput(true);
conn.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
conn.setRequestProperty("User-Agent", DEFAULT_USER_AGENT);
conn.connect();
out = conn.getOutputStream();
out.write(data.getBytes(Charsets.UTF_8));
out.flush();
inputStream = conn.getInputStream();
reader = new BufferedReader(new InputStreamReader(inputStream, Charsets.UTF_8));
StringBuilder sb = new StringBuilder();
String line = null;
while ((line = reader.readLine()) != null){
sb.append(line).append("\n");
}
return sb.toString();
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
IOUtils.closeQuietly(out);
IOUtils.closeQuietly(reader);
IOUtils.closeQuietly(inputStream);
if (conn != null) {
conn.disconnect();
}
}
}
}