com.vmware.bdd.cli.config.CliProperties.java Source code

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Here is the source code for com.vmware.bdd.cli.config.CliProperties.java

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/***************************************************************************
 * Copyright (c) 2015 VMware, Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ***************************************************************************/
package com.vmware.bdd.cli.config;

import com.vmware.bdd.cli.commands.CliException;
import com.vmware.bdd.cli.commands.Constants;
import com.vmware.bdd.cli.http.HostnameVerifiers;
import com.vmware.bdd.security.tls.PspConfiguration;
import com.vmware.bdd.utils.CommonUtil;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import java.io.File;
import java.io.IOException;

/**
 * Created by xiaoliangl on 9/16/15.
 */
@Component
public class CliProperties {
    private static Logger LOGGER = Logger.getLogger(CliProperties.class);

    private static final String KEY_STORE_PASSWORD_KEY = "keystore_pswd";
    private static final int KEY_STORE_PASSWORD_LENGTH = 8;
    private static final String SUPPORTED_PROTOCOLS = "supported_protocols";
    private static final String SUPPORTED_CIPHERSUITES = "supported_ciphersuites";
    private static final String SUPPORTED_CIPHERSUITES_GROUP = "supported_ciphersuites_group";
    private static final String HOSTNAME_VERIFIER = "hostname_verifier";
    public static final String STRONG_ENCRYPTION = "STRONG_ENCRYPTION";
    public static final String DEFAULT_ENCRYPTION = "DEFAULT_ENCRYPTION";

    PropertiesConfiguration properties = new PropertiesConfiguration();

    @Autowired
    private CliSecureFilesInitiator filesInitiator;

    @PostConstruct
    protected void loadFromFile() throws CliException {
        File file = new File(Constants.PROPERTY_FILE);
        properties.setFile(file);
        if (file.isFile()) {
            try {
                properties.load();
            } catch (ConfigurationException e) {
                LOGGER.error("failed to load cli.properties", e);
                throw new CliException("failed to load cli.properties");
            }
        }
    }

    public char[] readKeyStorePwd() throws IOException, ConfigurationException {
        String password = properties.getString(KEY_STORE_PASSWORD_KEY);
        if (password == null) {
            // generate a random keystore password
            password = CommonUtil.randomString(KEY_STORE_PASSWORD_LENGTH);
        }
        return password.toCharArray();
    }

    public void saveKeyStorePwd(char[] password) throws IOException, ConfigurationException {
        properties.setProperty(KEY_STORE_PASSWORD_KEY, new String(password));
        properties.save();
    }

    public String[] getSupportedProtocols() {
        String[] values = properties.getStringArray(SUPPORTED_PROTOCOLS);
        return ArrayUtils.isEmpty(values) ? PspConfiguration.SSL_PROTOCOLS : values;
    }

    public String[] getSupportedCipherSuites() {
        String[] values = properties.getStringArray(SUPPORTED_CIPHERSUITES);
        return ArrayUtils.isEmpty(values) ? getSupportedCipherSuitesByGroup() : values;
    }

    public String[] getSupportedCipherSuitesByGroup() {
        String groupName = properties.getString(SUPPORTED_CIPHERSUITES_GROUP);

        if (StringUtils.isBlank(groupName)) {
            LOGGER.warn(String.format("cipher suite group not set, take default one: %1s", DEFAULT_ENCRYPTION));
            groupName = DEFAULT_ENCRYPTION;
        }
        switch (groupName) {
        case STRONG_ENCRYPTION:
            return PspConfiguration.CIPHER_SUITES;
        case DEFAULT_ENCRYPTION:
            return PspConfiguration.WEAK_CIPHER_SUITES;
        default: {
            LOGGER.warn(String.format("cipher suite group can only be: %1s or %2s, but meet %3s.",
                    STRONG_ENCRYPTION, DEFAULT_ENCRYPTION, groupName));
            return PspConfiguration.WEAK_CIPHER_SUITES;
        }
        }
    }

    public String getHostnameVerifier() {
        String value = properties.getString(HOSTNAME_VERIFIER);
        return StringUtils.isBlank(value) ? HostnameVerifiers.ALLOW_ALL_HOSTNAME_VERIFIER : value;
    }
}