com.jcs_java_sdk.Utils.java Source code

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/*******************************************************************************
 * Copyright (c) 2016 Jiocloud.com, Inc. or its affiliates.  All Rights Reserved
 *
 * 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, dis-
 * tribute, sublicense, and/or sell copies of the Software, and to permit
 * persons to whom the Software is furnished to do so, subject to the fol-
 * lowing 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 MERCHANTABIL-
 * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
 * SHALL THE AUTHOR 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.
 *******************************************************************************/
package com.jcs_java_sdk;

import java.io.FileReader;
import java.io.IOException;
import java.security.PrivateKey;
import java.util.regex.Pattern;

import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
import org.bouncycastle.openssl.PEMDecryptorProvider;
import org.bouncycastle.openssl.PEMEncryptedKeyPair;
import org.bouncycastle.openssl.PEMKeyPair;
import org.bouncycastle.openssl.PEMParser;
import org.bouncycastle.openssl.jcajce.JcaPEMKeyConverter;
import org.bouncycastle.openssl.jcajce.JcePEMDecryptorProviderBuilder;

public class Utils {

    public static String getProtocol(String url) {
        String regex = "(http[s]?)://((?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\\(\\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+)";

        if (!Pattern.matches(regex, url)) {
            System.out.println("Unsupported URL endpoint");
            return "None";
        } else {
            return url.split("://")[0];
        }

    }

    public static String getHost(String url) {
        String regex = "(http[s]?)://((?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\\(\\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+)";

        if (!Pattern.matches(regex, url)) {
            System.out.println("Unsupported URL endpoint");
            return "None";
        } else {
            return url.split("://")[1];
        }
    }

    public static PrivateKey readPrivateKey(String privateKeyPath, String keyPassword) throws IOException {

        FileReader fileReader = new FileReader(privateKeyPath);
        PEMParser keyReader = new PEMParser(fileReader);

        JcaPEMKeyConverter converter = new JcaPEMKeyConverter();
        PEMDecryptorProvider decryptionProv = new JcePEMDecryptorProviderBuilder().build(keyPassword.toCharArray());

        Object keyPair = keyReader.readObject();
        PrivateKeyInfo keyInfo;

        if (keyPair instanceof PEMEncryptedKeyPair) {
            PEMKeyPair decryptedKeyPair = ((PEMEncryptedKeyPair) keyPair).decryptKeyPair(decryptionProv);
            keyInfo = decryptedKeyPair.getPrivateKeyInfo();
        } else {
            keyInfo = ((PEMKeyPair) keyPair).getPrivateKeyInfo();
        }

        keyReader.close();
        return converter.getPrivateKey(keyInfo);
    }

}