ProxyServletConfig.java
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package com.genersoft.iot.vmp.conf;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.impl.client.HttpClientBuilder;
import org.mitre.dsmiley.httpproxy.ProxyServlet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.StringUtils;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.ConnectException;
import java.util.Locale;
import java.util.Map;
@Configuration
public class ProxyServletConfig {
private final static Logger logger = LoggerFactory.getLogger(ProxyServletConfig.class);
@Autowired
private MediaConfig mediaConfig;
@Bean
public ServletRegistrationBean zlmServletRegistrationBean(){
ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new ZLMProxySerlet(),"/zlm/*");
servletRegistrationBean.setName("zlm_Proxy");
servletRegistrationBean.addInitParameter("targetUri", String.format("http://%s:%s", mediaConfig.getIp(), mediaConfig.getHttpPort()));
servletRegistrationBean.addUrlMappings();
if (logger.isDebugEnabled()) {
servletRegistrationBean.addInitParameter("log", "true");
}
return servletRegistrationBean;
}
class ZLMProxySerlet extends ProxyServlet{
@Override
protected String rewriteQueryStringFromRequest(HttpServletRequest servletRequest, String queryString) {
String queryStr = super.rewriteQueryStringFromRequest(servletRequest, queryString);
if (!StringUtils.isEmpty(queryStr)) {
queryStr += "&secret=" + mediaConfig.getSecret();
}else {
queryStr = "secret=" + mediaConfig.getSecret();
}
return queryStr;
}
@Override
protected void handleRequestException(HttpRequest proxyRequest, HttpResponse proxyResonse, Exception e){
System.out.println(e.getMessage());
try {
super.handleRequestException(proxyRequest, proxyResonse, e);
} catch (ServletException servletException) {
logger.error("zlm 代理失败： ", e);
} catch (IOException ioException) {
if (ioException instanceof ConnectException) {
logger.error("zlm 连接失败");
}else {
logger.error("zlm 代理失败： ", e);
}
} catch (RuntimeException exception){
logger.error("zlm 代理失败： ", e);
}
}
}
}