spring security ChannelAttributeFactory 源码
spring security ChannelAttributeFactory 代码
文件路径：/config/src/main/java/org/springframework/security/config/http/ChannelAttributeFactory.java
/*
* Copyright 2002-2016 the original author or authors.
*
* 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
*
* https://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.springframework.security.config.http;
import java.util.List;
import org.springframework.beans.factory.BeanCreationException;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.access.SecurityConfig;
import org.springframework.security.web.access.channel.ChannelDecisionManagerImpl;
/**
* Used as a factory bean to create config attribute values for the
* <tt>requires-channel</tt> attribute.
*
* @author Luke Taylor
* @since 3.0
*/
public final class ChannelAttributeFactory {
private static final String OPT_REQUIRES_HTTP = "http";
private static final String OPT_REQUIRES_HTTPS = "https";
private static final String OPT_ANY_CHANNEL = "any";
private ChannelAttributeFactory() {
}
public static List<ConfigAttribute> createChannelAttributes(String requiredChannel) {
String channelConfigAttribute;
if (requiredChannel.equals(OPT_REQUIRES_HTTPS)) {
channelConfigAttribute = "REQUIRES_SECURE_CHANNEL";
}
else if (requiredChannel.equals(OPT_REQUIRES_HTTP)) {
channelConfigAttribute = "REQUIRES_INSECURE_CHANNEL";
}
else if (requiredChannel.equals(OPT_ANY_CHANNEL)) {
channelConfigAttribute = ChannelDecisionManagerImpl.ANY_CHANNEL;
}
else {
throw new BeanCreationException("Unknown channel attribute " + requiredChannel);
}
return SecurityConfig.createList(channelConfigAttribute);
}
}
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