com.grantedbyme.example.ServletUtils.java Source code

Introduction

Here is the source code for com.grantedbyme.example.ServletUtils.java

Source

/*
 * =BEGIN MIT LICENSE
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 GrantedByMe
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * =END MIT LICENSE
 */
package com.grantedbyme.example;

import grantedbyme.GrantedByMe;
import org.apache.commons.io.IOUtils;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.IOException;
import java.io.InputStream;
import java.security.Security;

public class ServletUtils {
    public static GrantedByMe getSDK(HttpServlet context) throws IOException {
        // read private key
        String privateKey = null;
        InputStream privateKeyInputStream = context.getClass().getResourceAsStream("/private_key.pem");
        try {
            privateKey = IOUtils.toString(privateKeyInputStream);
        } finally {
            privateKeyInputStream.close();
        }
        // read server key
        String serverKey = null;
        InputStream serverKeyInputStream = context.getClass().getResourceAsStream("/server_key.pem");
        try {
            serverKey = IOUtils.toString(serverKeyInputStream);
        } finally {
            serverKeyInputStream.close();
        }
        // _log(serverKey);
        // initialize BouncyCastle security provider
        Security.insertProviderAt(new org.bouncycastle.jce.provider.BouncyCastleProvider(), 0);
        // create sdk
        GrantedByMe sdk = new GrantedByMe(privateKey, serverKey);
        // Create a trust manager that does not validate certificate chains
        TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {
            public java.security.cert.X509Certificate[] getAcceptedIssuers() {
                return null;
            }

            public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType) {
                //No need to implement.
            }

            public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType) {
                //No need to implement.
            }
        } };
        // Install the all-trusting trust manager
        try {
            SSLContext sc = SSLContext.getInstance("SSL");
            sc.init(null, trustAllCerts, new java.security.SecureRandom());
            HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
        } catch (Exception e) {
            e.printStackTrace();
        }
        // set SDK parameters
        sdk.apiURL = "https://api-dev.grantedby.me/v1/service/";
        //sdk.isDebug = true;
        return sdk;
    }

}