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@@ -0,0 +1,128 @@
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+package com.uas.eis.utils;
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+
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+import com.alibaba.fastjson.serializer.SerializerFeature;
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+import com.alibaba.fastjson.support.config.FastJsonConfig;
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+import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
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+import org.springframework.http.MediaType;
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+import org.springframework.http.client.SimpleClientHttpRequestFactory;
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+import org.springframework.http.converter.HttpMessageConverter;
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+import org.springframework.http.converter.StringHttpMessageConverter;
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+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
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+import org.springframework.web.client.RestTemplate;
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+
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+import javax.net.ssl.*;
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+import java.io.IOException;
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+import java.net.HttpURLConnection;
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+import java.net.InetAddress;
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+import java.net.Socket;
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+import java.nio.charset.StandardCharsets;
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+import java.security.cert.X509Certificate;
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+import java.util.ArrayList;
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+import java.util.List;
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+import java.util.stream.Collectors;
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+public class HttpUtils {
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+
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+ public static RestTemplate createTemplate() {
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+ RestTemplate restTemplate = new RestTemplate(new HttpsClientRequestFactory());
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+
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+ List<HttpMessageConverter<?>> converters = restTemplate.getMessageConverters().stream()
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+ .filter(item -> !(item instanceof MappingJackson2HttpMessageConverter)
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+ && !(item instanceof StringHttpMessageConverter))
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+ .collect(Collectors.toList());
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+ converters.add(1, new StringHttpMessageConverter(StandardCharsets.UTF_8));
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+
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+ FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
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+ List<MediaType> supportedMediaTypes = new ArrayList<>();
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+ supportedMediaTypes.add(MediaType.APPLICATION_JSON);
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+ supportedMediaTypes.add(MediaType.APPLICATION_ATOM_XML);
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+ supportedMediaTypes.add(MediaType.APPLICATION_FORM_URLENCODED);
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+ supportedMediaTypes.add(MediaType.APPLICATION_OCTET_STREAM);
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+ supportedMediaTypes.add(MediaType.APPLICATION_XHTML_XML);
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+ supportedMediaTypes.add(MediaType.APPLICATION_XML);
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+ supportedMediaTypes.add(MediaType.IMAGE_GIF);
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+ supportedMediaTypes.add(MediaType.IMAGE_JPEG);
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+ supportedMediaTypes.add(MediaType.IMAGE_PNG);
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+ supportedMediaTypes.add(MediaType.TEXT_HTML);
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+ supportedMediaTypes.add(MediaType.TEXT_PLAIN);
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+ supportedMediaTypes.add(MediaType.TEXT_XML);
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+ supportedMediaTypes.add(MediaType.MULTIPART_FORM_DATA);
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+ fastConverter.setSupportedMediaTypes(supportedMediaTypes);
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+ FastJsonConfig fastJsonConfig = new FastJsonConfig();
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+ //WriteNullListAsEmpty :List字段如果为null,输出为[],而非null
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+ //WriteNullStringAsEmpty : 字符类型字段如果为null,输出为"",而非null
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+ //DisableCircularReferenceDetect :消除对同一对象循环引用的问题,默认为false(如果不配置有可能会进入死循环)
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+ //WriteNullBooleanAsFalse:Boolean字段如果为null,输出为false,而非null
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+ //WriteMapNullValue:是否输出值为null的字段,默认为false
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+ fastJsonConfig.setSerializerFeatures(
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+ SerializerFeature.DisableCircularReferenceDetect,
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+ SerializerFeature.WriteMapNullValue
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+ );
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+ fastConverter.setFastJsonConfig(fastJsonConfig);
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+ converters.add(fastConverter);
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+ restTemplate.setMessageConverters(converters);
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+
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+ return restTemplate;
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+ }
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+
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+ static class HttpsClientRequestFactory extends SimpleClientHttpRequestFactory {
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+
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+ static class MySSLSocketFactory extends SSLSocketFactory {
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+
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+ private final SSLSocketFactory delegate;
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+
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+ public MySSLSocketFactory(SSLSocketFactory delegate) {
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+ this.delegate = delegate;
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+ }
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+
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+ @Override
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+ public String[] getDefaultCipherSuites() {
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+ return delegate.getDefaultCipherSuites();
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+ }
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+
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+ @Override
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+ public String[] getSupportedCipherSuites() {
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+ return delegate.getSupportedCipherSuites();
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+ }
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+
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+ @Override
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+ public Socket createSocket(final Socket socket, final String host, final int port, final boolean autoClose) throws IOException {
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+ final Socket underlyingSocket = delegate.createSocket(socket, host, port, autoClose);
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+ return overrideProtocol(underlyingSocket);
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+ }
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+
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+ @Override
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+ public Socket createSocket(final String host, final int port) throws IOException {
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+ final Socket underlyingSocket = delegate.createSocket(host, port);
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+ return overrideProtocol(underlyingSocket);
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+ }
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+
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+ @Override
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+ public Socket createSocket(final String host, final int port, final InetAddress localAddress, final int localPort) throws
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+ IOException {
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+ final Socket underlyingSocket = delegate.createSocket(host, port, localAddress, localPort);
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+ return overrideProtocol(underlyingSocket);
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+ }
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+
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+ @Override
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+ public Socket createSocket(final InetAddress host, final int port) throws IOException {
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+ final Socket underlyingSocket = delegate.createSocket(host, port);
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+ return overrideProtocol(underlyingSocket);
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+ }
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+
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+ @Override
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+ public Socket createSocket(final InetAddress host, final int port, final InetAddress localAddress, final int localPort) throws
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+ IOException {
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+ final Socket underlyingSocket = delegate.createSocket(host, port, localAddress, localPort);
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+ return overrideProtocol(underlyingSocket);
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+ }
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+
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+ private Socket overrideProtocol(final Socket socket) {
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+ if (!(socket instanceof SSLSocket)) {
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+ throw new RuntimeException("An instance of SSLSocket is expected");
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+ }
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+ ((SSLSocket) socket).setEnabledProtocols(new String[]{"TLSv1"});
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+ return socket;
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+ }
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+ }
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+ }
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+}
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