package com.gk.firework.Domain.Utils;
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import org.springframework.web.bind.annotation.ResponseBody;
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import org.springframework.web.bind.annotation.RestController;
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import org.springframework.web.method.HandlerMethod;
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import javax.net.ssl.*;
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import java.io.*;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.security.SecureRandom;
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import java.security.cert.CertificateException;
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import java.security.cert.X509Certificate;
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import java.util.Iterator;
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import java.util.Map;
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/**
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* Miscellaneous utilities for web applications.
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* @author L.cm
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*/
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public class WebUtils extends org.springframework.web.util.WebUtils {
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/**
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* 判断是否ajax请求
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* spring ajax 返回含有 ResponseBody 或者 RestController注解
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* @param handlerMethod HandlerMethod
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* @return 是否ajax请求
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*/
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private static final String DEFAULT_CHARSET = "UTF-8";
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private static boolean ignoreSSLCheck = true;
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private static boolean ignoreHostCheck = true;
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public static boolean isAjax(HandlerMethod handlerMethod) {
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ResponseBody responseBody = handlerMethod.getMethodAnnotation(ResponseBody.class);
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if (null != responseBody) {
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return true;
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}
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RestController restAnnotation = handlerMethod.getBean().getClass().getAnnotation(RestController.class);
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if (null != restAnnotation) {
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return true;
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}
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return false;
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}
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private static HttpURLConnection getConnection(URL url, String method, String ctype, Map<String, String> headerMap) throws IOException {
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Object conn = (HttpURLConnection)url.openConnection();
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if(conn instanceof HttpsURLConnection) {
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HttpsURLConnection i$ = (HttpsURLConnection)conn;
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if(ignoreSSLCheck) {
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try {
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SSLContext entry = SSLContext.getInstance("TLS");
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entry.init((KeyManager[])null, new TrustManager[]{new TrustAllTrustManager()}, new SecureRandom());
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i$.setSSLSocketFactory(entry.getSocketFactory());
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i$.setHostnameVerifier(new HostnameVerifier() {
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public boolean verify(String hostname, SSLSession session) {
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return true;
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}
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});
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} catch (Exception var7) {
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throw new IOException(var7.toString());
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}
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} else if(ignoreHostCheck) {
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i$.setHostnameVerifier(new HostnameVerifier() {
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public boolean verify(String hostname, SSLSession session) {
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return true;
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}
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});
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}
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conn = i$;
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}
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((HttpURLConnection)conn).setRequestMethod(method);
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((HttpURLConnection)conn).setDoInput(true);
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((HttpURLConnection)conn).setDoOutput(true);
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if(headerMap != null && headerMap.get("TOP_HTTP_DNS_HOST") != null) {
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((HttpURLConnection)conn).setRequestProperty("Host", (String)headerMap.get("TOP_HTTP_DNS_HOST"));
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} else {
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((HttpURLConnection)conn).setRequestProperty("Host", url.getHost());
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}
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((HttpURLConnection)conn).setRequestProperty("Accept", "text/xml,text/javascript");
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((HttpURLConnection)conn).setRequestProperty("Content-Type", ctype);
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if(headerMap != null) {
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Iterator i$1 = headerMap.entrySet().iterator();
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while(i$1.hasNext()) {
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Map.Entry entry1 = (Map.Entry)i$1.next();
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if(!"TOP_HTTP_DNS_HOST".equals(entry1.getKey())) {
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((HttpURLConnection)conn).setRequestProperty((String)entry1.getKey(), (String)entry1.getValue());
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}
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}
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}
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return (HttpURLConnection)conn;
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}
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public static String getStreamAsString(InputStream stream, String charset) throws IOException {
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try {
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InputStreamReader reader = new InputStreamReader(stream, charset);
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StringBuilder response = new StringBuilder();
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char[] buff = new char[1024];
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boolean read = false;
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int read1;
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while((read1 = reader.read(buff)) > 0) {
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response.append(buff, 0, read1);
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}
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String var6 = response.toString();
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return var6;
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} finally {
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if(stream != null) {
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stream.close();
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}
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}
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}
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public static class TrustAllTrustManager implements X509TrustManager {
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public TrustAllTrustManager() {
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}
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public X509Certificate[] getAcceptedIssuers() {
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return null;
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}
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public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
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}
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public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
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}
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}
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public static String ytoSendPost(String url, Map<String, String> params)
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{
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OutputStreamWriter out = null;
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BufferedReader in = null;
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StringBuilder result = new StringBuilder();
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try {
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URL realUrl = new URL(url);
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HttpURLConnection conn =(HttpURLConnection) realUrl.openConnection();
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// 发送POST请求必须设置如下两行
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conn.setDoOutput(true);
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conn.setDoInput(true);
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// POST方法
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conn.setRequestMethod("POST");
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// 设置通用的请求属性
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conn.setRequestProperty("accept", "*/*");
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conn.setRequestProperty("connection", "Keep-Alive");
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conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
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conn.connect();
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// 获取URLConnection对象对应的输出流
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out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
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// 发送请求参数
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if (params != null) {
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StringBuilder param = new StringBuilder();
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for (Map.Entry<String, String> entry : params.entrySet()) {
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if(param.length()>0){
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param.append("&");
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}
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param.append(entry.getKey());
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param.append("=");
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param.append(entry.getValue());
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}
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out.write(param.toString());
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}
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// flush输出流的缓冲
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out.flush();
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// 定义BufferedReader输入流来读取URL的响应
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in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
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String line;
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while ((line = in.readLine()) != null) {
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result.append(line);
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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//使用finally块来关闭输出流、输入流
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finally{
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try{
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if(out!=null){
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out.close();
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}
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if(in!=null){
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in.close();
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}
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}
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catch(IOException ex){
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ex.printStackTrace();
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}
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}
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return result.toString();
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}
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}
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