org.apache.geode.internal.security.SecurityServiceFactory.java Source code

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Here is the source code for org.apache.geode.internal.security.SecurityServiceFactory.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to You 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
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 org.apache.geode.internal.security;

import static org.apache.geode.distributed.ConfigurationProperties.SECURITY_CLIENT_AUTHENTICATOR;
import static org.apache.geode.distributed.ConfigurationProperties.SECURITY_PEER_AUTHENTICATOR;
import static org.apache.geode.distributed.ConfigurationProperties.SECURITY_SHIRO_INIT;

import org.apache.commons.lang.StringUtils;
import org.apache.geode.internal.cache.CacheConfig;
import org.apache.geode.internal.cache.GemFireCacheImpl;
import org.apache.geode.internal.cache.InternalCache;
import org.apache.geode.internal.security.shiro.SecurityManagerProvider;
import org.apache.geode.security.PostProcessor;
import org.apache.geode.security.SecurityManager;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.UnavailableSecurityManagerException;

import java.util.Properties;

public class SecurityServiceFactory {

    private SecurityServiceFactory() {
        // do not instantiate
    }

    public static SecurityService create() {
        return new LegacySecurityService();
    }

    public static SecurityService create(Properties securityProps) {
        return create(securityProps, null, null);
    }

    public static SecurityService create(Properties securityProps, CacheConfig cacheConfig) {
        if (cacheConfig == null) {
            return create(securityProps, null, null);
        }

        return create(securityProps, cacheConfig.getSecurityManager(), cacheConfig.getPostProcessor());
    }

    public static SecurityService create(Properties securityProps, SecurityManager preferredSecurityManager,
            PostProcessor preferredPostProcessor) {
        if (securityProps == null) {
            // avoid NPE, and we can stil use preferredSecurityManager to create the service
            securityProps = new Properties();
        }

        String shiroConfig = securityProps.getProperty(SECURITY_SHIRO_INIT);
        SecurityManager securityManager = CallbackInstantiator.getSecurityManager(securityProps);
        PostProcessor postProcessor = CallbackInstantiator.getPostProcessor(securityProps);

        // cacheConfig's securityManager/postprocessor takes precedence over those defined in
        // securityProps
        if (preferredSecurityManager != null) {
            // cacheConfig's security manager will override property's shiro.ini settings
            shiroConfig = null;
            securityManager = preferredSecurityManager;
        }
        if (preferredPostProcessor != null) {
            postProcessor = preferredPostProcessor;
        }

        if (StringUtils.isNotBlank(shiroConfig)) {
            return new IntegratedSecurityService(new SecurityManagerProvider(shiroConfig), postProcessor);
        } else if (securityManager != null) {
            return new IntegratedSecurityService(new SecurityManagerProvider(securityManager), postProcessor);
        } else if (isShiroInUse()) {
            return new IntegratedSecurityService(new SecurityManagerProvider(), postProcessor);
        }

        // if not return legacy security service
        String clientAuthenticatorConfig = securityProps.getProperty(SECURITY_CLIENT_AUTHENTICATOR);
        String peerAuthenticatorConfig = securityProps.getProperty(SECURITY_PEER_AUTHENTICATOR);
        return new LegacySecurityService(clientAuthenticatorConfig, peerAuthenticatorConfig);
    }

    public static SecurityService findSecurityService() {
        InternalCache cache = GemFireCacheImpl.getInstance();
        if (cache != null) {
            return cache.getSecurityService();
        }
        return SecurityServiceFactory.create();
    }

    private static boolean isShiroInUse() {
        try {
            return SecurityUtils.getSecurityManager() != null;
        } catch (UnavailableSecurityManagerException ignore) {
            return false;
        }
    }

}