spring security SecureChannelProcessor 源码
spring security SecureChannelProcessor 代码
文件路径：/web/src/main/java/org/springframework/security/web/access/channel/SecureChannelProcessor.java
/*
* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
*
* 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.web.access.channel;
import java.io.IOException;
import java.util.Collection;
import jakarta.servlet.ServletException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.web.FilterInvocation;
import org.springframework.util.Assert;
/**
* Ensures channel security is active by review of
* <code>HttpServletRequest.isSecure()</code> responses.
* <p>
* The class responds to one case-sensitive keyword, {@link #getSecureKeyword}. If this
* keyword is detected, <code>HttpServletRequest.isSecure()</code> is used to determine
* the channel security offered. If channel security is not present, the configured
* <code>ChannelEntryPoint</code> is called. By default the entry point is
* {@link RetryWithHttpsEntryPoint}.
* <p>
* The default <code>secureKeyword</code> is <code>REQUIRES_SECURE_CHANNEL</code>.
*
* @author Ben Alex
*/
public class SecureChannelProcessor implements InitializingBean, ChannelProcessor {
private ChannelEntryPoint entryPoint = new RetryWithHttpsEntryPoint();
private String secureKeyword = "REQUIRES_SECURE_CHANNEL";
@Override
public void afterPropertiesSet() {
Assert.hasLength(this.secureKeyword, "secureKeyword required");
Assert.notNull(this.entryPoint, "entryPoint required");
}
@Override
public void decide(FilterInvocation invocation, Collection<ConfigAttribute> config)
throws IOException, ServletException {
Assert.isTrue((invocation != null) && (config != null), "Nulls cannot be provided");
for (ConfigAttribute attribute : config) {
if (supports(attribute)) {
if (!invocation.getHttpRequest().isSecure()) {
this.entryPoint.commence(invocation.getRequest(), invocation.getResponse());
}
}
}
}
public ChannelEntryPoint getEntryPoint() {
return this.entryPoint;
}
public String getSecureKeyword() {
return this.secureKeyword;
}
public void setEntryPoint(ChannelEntryPoint entryPoint) {
this.entryPoint = entryPoint;
}
public void setSecureKeyword(String secureKeyword) {
this.secureKeyword = secureKeyword;
}
@Override
public boolean supports(ConfigAttribute attribute) {
return (attribute != null) && (attribute.getAttribute() != null)
&& attribute.getAttribute().equals(getSecureKeyword());
}
}
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