https 证书

1.引入包

   pom.xml

<dependency>

    <groupId>com.squareup.okhttp3</groupId>

    <artifactId>okhttp</artifactId>

    <version>3.0.0-RC1</version>

</dependency>

2.https请求需要证书，和忽略证书

import java.io.IOException;

import java.io.InputStream;

import java.security.GeneralSecurityException;

import java.security.KeyStore;

import java.security.SecureRandom;

import java.security.cert.Certificate;

import java.security.cert.CertificateException;

import java.security.cert.CertificateFactory;

import java.security.cert.X509Certificate;

import java.util.Collection;

import javax.net.ssl.HostnameVerifier;

import javax.net.ssl.KeyManager;

import javax.net.ssl.KeyManagerFactory;

import javax.net.ssl.SSLContext;

import javax.net.ssl.SSLSession;

import javax.net.ssl.TrustManager;

import javax.net.ssl.TrustManagerFactory;

import javax.net.ssl.X509TrustManager;

import okhttp3.Headers;

import okhttp3.MediaType;

import okhttp3.OkHttpClient;

import okhttp3.Request;

import okhttp3.RequestBody;

import okhttp3.Response;

import okio.Buffer;

public final class ToolHttps {

    private final OkHttpClient client;

    public static final MediaType MEDIA_TYPE_FORM = MediaType.parse("application/x-www-form-urlencoded; charset=utf-8");

    public ToolHttps(String sinowaycredit_cer) {

        SSLContext sslContext = null;

        if(sinowaycredit_cer !=null && !sinowaycredit_cer.equals("")){

            sinowaycredit_cer = sinowaycredit_cer.replace("\\\\n", "\n");

            sslContext = sslContextForTrustedCertificates(trustedCertificatesInputStream(sinowaycredit_cer));

        }else{

            try{

                 sslContext = SSLContext.getInstance("SSL");

                sslContext.init(new KeyManager[0], new TrustManager[] { new X509TrustManager() {

                    @Override

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

                    }

    

                    @Override

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

                    }

    

                    @Override

                    public X509Certificate[] getAcceptedIssuers() {

                        return null;

                    }

                } }, new SecureRandom());

            }catch(Exception e){

                e.printStackTrace();

            }

        }

        client = new OkHttpClient.Builder().sslSocketFactory(sslContext.getSocketFactory()).hostnameVerifier(new TrustAllHostNameVerifier()).build();

    }

    

    public static class TrustAllHostNameVerifier implements HostnameVerifier {

        public boolean verify(String hostname, SSLSession session) {

            return true;

        }

    }

    

    public String doHttpsPost(String url, String content, String token) throws Exception {

        RequestBody formBody = new okhttp3.FormBody.Builder().add("data", content).add("token", token).build();

        Request request = new Request.Builder().url(url).post(formBody).build();

        Response response = client.newCall(request).execute();

        if (!response.isSuccessful())

            throw new IOException("Unexpected code " + response);

        Headers responseHeaders = response.headers();

        for (int i = 0; i < responseHeaders.size(); i++) {

            System.out.println(responseHeaders.name(i) + ": " + responseHeaders.value(i));

        }

        String ret = response.body().string();

        System.out.println(ret);

        return ret;

    }

    // keytool -printcert -rfc -file sinowaycredit.cer > sinowaycredit.cer.txt

    // 将字符串形式的证书转成stream

    private InputStream trustedCertificatesInputStream(String sinowaycredit_cer) {

        System.out.println(sinowaycredit_cer);

        return new Buffer()

        // .writeUtf8(comodoRsaCertificationAuthority)

        // .writeUtf8(entrustRootCertificateAuthority)

        .writeUtf8(sinowaycredit_cer).inputStream();

    }

    // 组装sslfactory

    public SSLContext sslContextForTrustedCertificates(InputStream in) {

        try {

            CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");

            Collection<? extends Certificate> certificates = certificateFactory.generateCertificates(in);

            if (certificates.isEmpty()) {

                throw new IllegalArgumentException("expected non-empty set of trusted certificates");

            }

            // Put the certificates a key store.

            char[] password = "password".toCharArray(); // Any password will

                                                        // work.

            KeyStore keyStore = newEmptyKeyStore(password);

            int index = 0;

            for (Certificate certificate : certificates) {

                String certificateAlias = Integer.toString(index++);

                keyStore.setCertificateEntry(certificateAlias, certificate);

            }

            // Wrap it up in an SSL context.

            KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());

            keyManagerFactory.init(keyStore, password);

            TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());

            trustManagerFactory.init(keyStore);

            SSLContext sslContext = SSLContext.getInstance("TLS");

            sslContext.init(keyManagerFactory.getKeyManagers(), trustManagerFactory.getTrustManagers(), new SecureRandom());

            return sslContext;

        } catch (GeneralSecurityException e) {

            throw new RuntimeException(e);

        }

    }

    private KeyStore newEmptyKeyStore(char[] password) throws GeneralSecurityException {

        try {

            KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());

            InputStream in = null; // By convention, 'null' creates an empty key

                                   // store.

            keyStore.load(in, password);

            return keyStore;

        } catch (IOException e) {

            throw new AssertionError(e);

        }

    }

    

    public void run() throws Exception {

        String url = "https://mgw.p*****.com.cn/toa-cbcs/rest/JXL/callback";

        RequestBody formBody = new okhttp3.FormBody.Builder().add("data", "{\"APP_IDCARD_NO\":\"330719196804253671\",\"APP_PHONE_NO\":\"15601719880\",\"JSON_INFO\":\"value\"}").add("token", "token_test").build();

        Request request = new Request.Builder().url(url).post(formBody).build();

        

        Response response = client.newCall(request).execute();

        if (!response.isSuccessful())

            throw new IOException("Unexpected code " + response);

        Headers responseHeaders = response.headers();

        for (int i = 0; i < responseHeaders.size(); i++) {

            System.out.println(responseHeaders.name(i) + ": " + responseHeaders.value(i));

        }

        System.out.println(response.body().string());

    }

//试试看

    public static void main(String... args) throws Exception {

//sslcode 为空，则忽略证书

        String sslcode ="-----BEGIN CERTIFICATE-----\n MIIDVDCCAjygAwIBAgIDAjRWMA0GCSqGSIb3DQEBBQUAMEIxCzAJBgNVBAYTAlVT\n MRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMRswGQYDVQQDExJHZW9UcnVzdCBHbG9i\n YWwgQ0EwHhcNMDIwNTIxMDQwMDAwWhcNMjIwNTIxMDQwMDAwWjBCMQswCQYDVQQG\n EwJVUzEWMBQGA1UEChMNR2VvVHJ1c3QgSW5jLjEbMBkGA1UEAxMSR2VvVHJ1c3Qg\n R2xvYmFsIENBMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2swYYzD9\n 9BcjGlZ+W988bDjkcbd4kdS8odhM+KhDtgPpTSEHCIjaWC9mOSm9BXiLnTjoBbdq\n fnGk5sRgprDvgOSJKA+eJdbtg/OtppHHmMlCGDUUna2YRpIuT8rxh0PBFpVXLVDv\n iS2Aelet8u5fa9IAjbkU+BQVNdnARqN7csiRv8lVK83Qlz6cJmTM386DGXHKTubU\n 1XupGc1V3sjs0l44U+VcT4wt/lAjNvxm5suOpDkZALeVAjmRCw7+OC7RHQWa9k0+\n bw8HHa8sHo9gOeL6NlMTOdReJivbPagUvTLrGAMoUgRx5aszPeE4uwc2hGKceeoW\n MPRfwCvocWvk+QIDAQABo1MwUTAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBTA\n ephojYn7qwVkDBF9qn1luMrMTjAfBgNVHSMEGDAWgBTAephojYn7qwVkDBF9qn1l\n uMrMTjANBgkqhkiG9w0BAQUFAAOCAQEANeMpauUvXVSOKVCUn5kaFOSPeCpilKIn\n Z57QzxpeR+nBsqTP3UEaBU6bS+5Kb1VSsyShNwrrZHYqLizz/Tt1kL/6cdjHPTfS\n tQWVYrmm3ok9Nns4d0iXrKYgjy6myQzCsplFAMfOEVEiIuCl6rYVSAlk6l5PdPcF\n PseKUgzbFbS9bZvlxrFUaKnjaZC2mqUPuLk/IH2uSrW4nOQdtqvmlKXBx4Ot2/Un\n hw4EbNX/3aBd7YdStysVAq45pmp06drE57xNNB6pXE0zX5IJL4hmXXeXxx12E6nV\n 5fEWCRE11azbJHFwLJhWC9kXtNHjUStedejV0NxPNO3CBWaAocvmMw==\n -----END CERTIFICATE-----\n ";

        new ToolHttps(sslcode).run();

    }

}