httpClient信任所有https请求

createSSLClientDefault

来源：cnblogs

//https信任所有请求创建
public static CloseableHttpClient createSSLClientDefault(){
    try {
        SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
            //信任所有
            public boolean isTrusted(X509Certificate[] chain,
                                     String authType) throws CertificateException {
                return true;
            }
        }).build();
        SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext);
        return HttpClients.custom().setSSLSocketFactory(sslsf).build();
    } catch (KeyManagementException e) {
        e.printStackTrace();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (KeyStoreException e) {
        e.printStackTrace();
    }
    return  HttpClients.createDefault();
}

HttpClient

来源： oschina

public class HttpClient {
    private static final String HTTP = "http";
    private static final String HTTPS = "https";
    private static SSLConnectionSocketFactory sslsf = null;
    private static PoolingHttpClientConnectionManager cm = null;
    private static SSLContextBuilder builder = null;
    static {
        try {
            builder = new SSLContextBuilder();
            // Trust all certificaties
            builder.loadTrustMaterial(null, new TrustStrategy() {
                @Override
                public boolean isTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
                    return true;
                }
            });
            sslsf = new SSLConnectionSocketFactory(builder.build(), new String[]{"SSLv2Hello", "SSLv3", "TLSv1", "TLSv1.2"}, null, NoopHostnameVerifier.INSTANCE);
            Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create()
                .register(HTTP, new PlainConnectionSocketFactory())
                .register(HTTPS, sslsf)
                .build();
            cm = new PoolingHttpClientConnectionManager(registry);
            cm.setMaxTotal(200);//max connection
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    /**
     * httpClient post请求
     * @param url 请求url
     * @param header 头部信息
     * @param param 请求参数 form提交适用
     * @param entity 请求实体 json/xml提交适用
     * @return 可能为空 需要处理
     * @throws Exception
     *
     */
    public static String post(String  url, Map<String, String> header, Map<String, String> param, HttpEntity entity) throws Exception {
        String result = "";
        CloseableHttpClient httpClient = null;
        try {
            httpClient = getHttpClient();
            HttpPost httpPost = new HttpPost(url);
            // 设置头信息
            if (null != header) {
                for (Map.Entry<String, String> entry : header.entrySet()) {
                    httpPost.addHeader(entry.getKey(), entry.getValue());
                }
            }
            // 设置请求参数
            if (null != param) {
                List<NameValuePair> formparams = new ArrayList<NameValuePair>();
                for (Map.Entry<String, String> entry : param.entrySet()) {
                    //给参数赋值
                    formparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
                }
                UrlEncodedFormEntity urlEncodedFormEntity = new UrlEncodedFormEntity(formparams);
                httpPost.setEntity(urlEncodedFormEntity);
            }
            // 设置实体 优先级高
            if (entity != null) {
                httpPost.setEntity(entity);
            }
            HttpResponse httpResponse = httpClient.execute(httpPost);
            int statusCode = httpResponse.getStatusLine().getStatusCode();
            if (statusCode == HttpStatus.SC_OK) {
                HttpEntity resEntity = httpResponse.getEntity();
                result = EntityUtils.toString(resEntity);
            } else {
                readHttpResponse(httpResponse);
            }
        } catch (Exception e) {throw e;
                              } finally {
            if (httpClient != null) {
                httpClient.close();
            }
        }
        return result;
    }
    public static CloseableHttpClient getHttpClient() throws Exception {
        CloseableHttpClient httpClient = HttpClients.custom()
            .setSSLSocketFactory(sslsf)
            .setConnectionManager(cm)
            .setConnectionManagerShared(true)
            .build();
        return httpClient;
    }
    public static String readHttpResponse(HttpResponse httpResponse)
        throws ParseException, IOException {
        StringBuilder builder = new StringBuilder();
        // 获取响应消息实体
        HttpEntity entity = httpResponse.getEntity();
        // 响应状态
        builder.append("status:" + httpResponse.getStatusLine());
        builder.append("headers:");
        HeaderIterator iterator = httpResponse.headerIterator();
        while (iterator.hasNext()) {
            builder.append("\t" + iterator.next());
        }
        // 判断响应实体是否为空
        if (entity != null) {
            String responseString = EntityUtils.toString(entity);
            builder.append("response length:" + responseString.length());
            builder.append("response content:" + responseString.replace("\r\n", ""));
        }
        return builder.toString();
    }
}

createSSLClientDefault

来源： csdn

public static CloseableHttpClient createSSLClientDefault(String url, Proxy proxy){
    try {
        CookieStore cookieStore = new BasicCookieStore();
        // 添加语言cookie
        BasicClientCookie2 langCookie = new BasicClientCookie2("LangKey", "cs");
        langCookie.setVersion(0);
        langCookie.setDomain(Utility.getPurceHost(url));
        langCookie.setPath("/");
        cookieStore.addCookie(langCookie);
        RequestConfig config = null;
        if (config == null) {
            config = RequestConfig.custom().setConnectTimeout(SnatchConstant.TIMEOUT).setSocketTimeout(SnatchConstant.TIMEOUT).build();
        }
        SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
            //信任所有
            @Override
            public boolean isTrusted(java.security.cert.X509Certificate[] x509Certificates, String s) throws java.security.cert.CertificateException {
                return true;
            }
        }).build();
        SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext);
        return HttpClients.custom().setSSLSocketFactory(sslsf).setDefaultCookieStore(cookieStore).setDefaultRequestConfig(config).setRetryHandler((new HttpRequestRetryHandler() {
            @Override
            public boolean retryRequest(IOException exception, int executionCount, HttpContext context) {
                if (executionCount >= 3) {
                    // 如果超过最大重试次数，那么就不要继续了
                    return false;
                }
                if (exception instanceof NoHttpResponseException) {
                    // 如果服务器丢掉了连接，那么就重试
                    return true;
                }
                if (exception instanceof SSLHandshakeException) {
                    // 不要重试SSL握手异常
                    return false;
                }
                HttpRequest request = (HttpRequest) context.getAttribute(ExecutionContext.HTTP_REQUEST);
                boolean idempotent = !(request instanceof HttpEntityEnclosingRequest);
                if (idempotent) {
                    // 如果请求被认为是幂等的，那么就重试
                    return true;
                }
                return false;
            }
        })).build();
    } catch (KeyManagementException e) {
        e.printStackTrace();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (KeyStoreException e) {
        e.printStackTrace();
    }
    return  HttpClients.createDefault();
}