From f65443d8abeaedc9d102324565e8368e7c9d90c8 Mon Sep 17 00:00:00 2001
From: 郑永安 <zyazyz250@sina.com>
Date: Mon, 19 Jun 2023 14:41:54 +0800
Subject: [PATCH] commit
---
src/main/java/com/gk/firework/Domain/Utils/WebUtils.java | 197 +++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 197 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/gk/firework/Domain/Utils/WebUtils.java b/src/main/java/com/gk/firework/Domain/Utils/WebUtils.java
new file mode 100644
index 0000000..40381d0
--- /dev/null
+++ b/src/main/java/com/gk/firework/Domain/Utils/WebUtils.java
@@ -0,0 +1,197 @@
+package com.gk.firework.Domain.Utils;
+
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.method.HandlerMethod;
+
+import javax.net.ssl.*;
+import java.io.*;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.security.SecureRandom;
+import java.security.cert.CertificateException;
+import java.security.cert.X509Certificate;
+import java.util.Iterator;
+import java.util.Map;
+
+/**
+ * Miscellaneous utilities for web applications.
+ * @author L.cm
+ */
+public class WebUtils extends org.springframework.web.util.WebUtils {
+ /**
+ * 判断是否ajax请求
+ * spring ajax 返回含有 ResponseBody 或者 RestController注解
+ * @param handlerMethod HandlerMethod
+ * @return 是否ajax请求
+ */
+
+ private static final String DEFAULT_CHARSET = "UTF-8";
+ private static boolean ignoreSSLCheck = true;
+ private static boolean ignoreHostCheck = true;
+
+ public static boolean isAjax(HandlerMethod handlerMethod) {
+ ResponseBody responseBody = handlerMethod.getMethodAnnotation(ResponseBody.class);
+ if (null != responseBody) {
+ return true;
+ }
+ RestController restAnnotation = handlerMethod.getBean().getClass().getAnnotation(RestController.class);
+ if (null != restAnnotation) {
+ return true;
+ }
+ return false;
+ }
+
+ private static HttpURLConnection getConnection(URL url, String method, String ctype, Map<String, String> headerMap) throws IOException {
+ Object conn = (HttpURLConnection)url.openConnection();
+ if(conn instanceof HttpsURLConnection) {
+ HttpsURLConnection i$ = (HttpsURLConnection)conn;
+ if(ignoreSSLCheck) {
+ try {
+ SSLContext entry = SSLContext.getInstance("TLS");
+ entry.init((KeyManager[])null, new TrustManager[]{new TrustAllTrustManager()}, new SecureRandom());
+ i$.setSSLSocketFactory(entry.getSocketFactory());
+ i$.setHostnameVerifier(new HostnameVerifier() {
+ public boolean verify(String hostname, SSLSession session) {
+ return true;
+ }
+ });
+ } catch (Exception var7) {
+ throw new IOException(var7.toString());
+ }
+ } else if(ignoreHostCheck) {
+ i$.setHostnameVerifier(new HostnameVerifier() {
+ public boolean verify(String hostname, SSLSession session) {
+ return true;
+ }
+ });
+ }
+
+ conn = i$;
+ }
+
+ ((HttpURLConnection)conn).setRequestMethod(method);
+ ((HttpURLConnection)conn).setDoInput(true);
+ ((HttpURLConnection)conn).setDoOutput(true);
+ if(headerMap != null && headerMap.get("TOP_HTTP_DNS_HOST") != null) {
+ ((HttpURLConnection)conn).setRequestProperty("Host", (String)headerMap.get("TOP_HTTP_DNS_HOST"));
+ } else {
+ ((HttpURLConnection)conn).setRequestProperty("Host", url.getHost());
+ }
+
+ ((HttpURLConnection)conn).setRequestProperty("Accept", "text/xml,text/javascript");
+ ((HttpURLConnection)conn).setRequestProperty("Content-Type", ctype);
+ if(headerMap != null) {
+ Iterator i$1 = headerMap.entrySet().iterator();
+
+ while(i$1.hasNext()) {
+ Map.Entry entry1 = (Map.Entry)i$1.next();
+ if(!"TOP_HTTP_DNS_HOST".equals(entry1.getKey())) {
+ ((HttpURLConnection)conn).setRequestProperty((String)entry1.getKey(), (String)entry1.getValue());
+ }
+ }
+ }
+
+ return (HttpURLConnection)conn;
+ }
+
+ public static String getStreamAsString(InputStream stream, String charset) throws IOException {
+ try {
+ InputStreamReader reader = new InputStreamReader(stream, charset);
+ StringBuilder response = new StringBuilder();
+ char[] buff = new char[1024];
+ boolean read = false;
+
+ int read1;
+ while((read1 = reader.read(buff)) > 0) {
+ response.append(buff, 0, read1);
+ }
+
+ String var6 = response.toString();
+ return var6;
+ } finally {
+ if(stream != null) {
+ stream.close();
+ }
+
+ }
+ }
+
+ public static class TrustAllTrustManager implements X509TrustManager {
+ public TrustAllTrustManager() {
+ }
+
+ public X509Certificate[] getAcceptedIssuers() {
+ return null;
+ }
+
+ public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
+ }
+
+ public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
+ }
+ }
+
+ public static String ytoSendPost(String url, Map<String, String> params)
+ {
+ OutputStreamWriter out = null;
+ BufferedReader in = null;
+ StringBuilder result = new StringBuilder();
+ try {
+ URL realUrl = new URL(url);
+ HttpURLConnection conn =(HttpURLConnection) realUrl.openConnection();
+ // 发送POST请求必须设置如下两行
+ conn.setDoOutput(true);
+ conn.setDoInput(true);
+ // POST方法
+ conn.setRequestMethod("POST");
+ // 设置通用的请求属性
+ conn.setRequestProperty("accept", "*/*");
+ conn.setRequestProperty("connection", "Keep-Alive");
+ conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
+ conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
+ conn.connect();
+ // 获取URLConnection对象对应的输出流
+ out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
+ // 发送请求参数
+ if (params != null) {
+ StringBuilder param = new StringBuilder();
+ for (Map.Entry<String, String> entry : params.entrySet()) {
+ if(param.length()>0){
+ param.append("&");
+ }
+ param.append(entry.getKey());
+ param.append("=");
+ param.append(entry.getValue());
+ }
+ out.write(param.toString());
+ }
+ // flush输出流的缓冲
+ out.flush();
+ // 定义BufferedReader输入流来读取URL的响应
+ in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
+ String line;
+ while ((line = in.readLine()) != null) {
+ result.append(line);
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ //使用finally块来关闭输出流、输入流
+ finally{
+ try{
+ if(out!=null){
+ out.close();
+ }
+ if(in!=null){
+ in.close();
+ }
+ }
+ catch(IOException ex){
+ ex.printStackTrace();
+ }
+ }
+ return result.toString();
+ }
+
+}
--
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