java 跳過https驗證并使用digest認證請求工具類

1.引入jar包

<dependency>
          <groupId>org.apache.httpcomponents</groupId>
          <artifactId>httpclient</artifactId>
          <version>4.5.12</version>
		</dependency>           

2.java工具類

import java.io.IOException;
import java.net.URI;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Map;
import java.util.Set;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.commons.lang.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.ParseException;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

/**
 * @author lsq
 *
 */
public class HttpRequestUtils {
	
	/**
	 *  發送get請求(摘要認證) 不驗證SSL
	 * @param username
	 * @param password
	 * @param url
	 * @param param
	 * @return
	 */
	public static String sendDigestGetRequestNoneSSL(String username, String password, String url, Map<String, String> param) {
        // 建立Httpclient對象
        CloseableHttpClient httpclient = wrapClient(username, password, null, null);

        String resultString = null;
        CloseableHttpResponse response = null;
        try {
            // 建立uri
            URIBuilder builder = new URIBuilder(url);
            if (param != null) {
                for (String key : param.keySet()) {
                    builder.addParameter(key, param.get(key));
                }
            }
            URI uri = builder.build();

            // 建立http GET請求
            HttpGet httpGet = new HttpGet(uri);

            // 執行請求
            response = httpclient.execute(httpGet);
            // 判斷傳回狀态是否為200
            if (response.getStatusLine().getStatusCode() == 200) {
                resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (response != null) {
                    response.close();
                }
                httpclient.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return resultString;
    }


	/**
	 * 擷取摘要認證用戶端
	 * @param username
	 * @param password
	 * @param host
	 * @param port
	 * @return
	 */
    public static HttpClient digestHttpClient(String username, String password, String host, Integer port){
    	CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
        credentialsProvider.setCredentials(new AuthScope(StringUtils.isBlank(host) ? AuthScope.ANY_HOST : host, port == null ? AuthScope.ANY_PORT : port),
                new UsernamePasswordCredentials(username,password));
        return HttpClients.custom().setDefaultCredentialsProvider(credentialsProvider).build();
    }

    /**
	 * 發送post請求(摘要認證) 不驗證SSL
	 * 
	 * @param urlPath
	 * @param json
	 * @param encoding
	 * @param header
	 * @return
	 * @throws Exception
	 */
	public static String sendDigestPostRequestNoneSSL(String username, String password, String urlPath, String json, String encoding, Map<String, String> header){

		CloseableHttpClient client = wrapClient(username, password, null, null);
		HttpPost post = new HttpPost(urlPath);
		try {
			Set<String> set = header.keySet();
			for (String key : set) {
				post.setHeader(key, header.get(key));
			}
			if (StringUtils.isNotEmpty(json)) {
				HttpEntity entity = new StringEntity(json, encoding);
				post.setEntity(entity);
			}
			CloseableHttpResponse response = client.execute(post);
			try {
				HttpEntity resEntity = response.getEntity();
				if (resEntity != null) {
					return EntityUtils.toString(resEntity, "utf-8");
				}
			} catch (IOException e) {
				e.printStackTrace();
			} catch (ParseException e) {
				e.printStackTrace();
			} finally {
				response.close();
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				client.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return null;
	}

	/**
	 * 擷取跳過證書驗證 并使用digest認證用戶端
	 * @param username
	 * @param password
	 * @param host
	 * @param port
	 * @return
	 */
	public static CloseableHttpClient wrapClient(String username, String password, String host, Integer port) {
		try {
			SSLContext ctx = SSLContext.getInstance("TLS");
			X509TrustManager tm = new X509TrustManager() {
				public X509Certificate[] getAcceptedIssuers() {
					return null;
				}

				public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
				}

				public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
				}
			};
			ctx.init(null, new TrustManager[] { tm }, null);
			SSLConnectionSocketFactory ssf = new SSLConnectionSocketFactory(ctx, NoopHostnameVerifier.INSTANCE);
			//digest
			CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
	        credentialsProvider.setCredentials(new AuthScope(StringUtils.isBlank(host) ? AuthScope.ANY_HOST : host, port == null ? AuthScope.ANY_PORT : port),
	                new UsernamePasswordCredentials(username,password));
			CloseableHttpClient httpclient = HttpClients.custom().setSSLSocketFactory(ssf).setDefaultCredentialsProvider(credentialsProvider).build();
			return httpclient;
		} catch (Exception e) {
			return HttpClients.createDefault();
		}
	}

}