104 lines
3.4 KiB
Java
104 lines
3.4 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.catalina.startup;
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import org.apache.tomcat.util.digester.Digester;
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import org.apache.tomcat.util.digester.RuleSetBase;
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/**
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* <p><strong>RuleSet</strong> for processing the contents of a Realm definition
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* element. This <code>RuleSet</code> supports Realms such as the
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* <code>CombinedRealm</code> that used nested Realms.</p>
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*/
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@SuppressWarnings("deprecation")
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public class RealmRuleSet extends RuleSetBase {
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private static final int MAX_NESTED_REALM_LEVELS = Integer.getInteger(
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"org.apache.catalina.startup.RealmRuleSet.MAX_NESTED_REALM_LEVELS",
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3).intValue();
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// ----------------------------------------------------- Instance Variables
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/**
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* The matching pattern prefix to use for recognizing our elements.
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*/
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protected final String prefix;
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// ------------------------------------------------------------ Constructor
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/**
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* Construct an instance of this <code>RuleSet</code> with the default
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* matching pattern prefix.
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*/
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public RealmRuleSet() {
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this("");
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}
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/**
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* Construct an instance of this <code>RuleSet</code> with the specified
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* matching pattern prefix.
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*
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* @param prefix Prefix for matching pattern rules (including the
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* trailing slash character)
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*/
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public RealmRuleSet(String prefix) {
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this.prefix = prefix;
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}
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// --------------------------------------------------------- Public Methods
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/**
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* <p>Add the set of Rule instances defined in this RuleSet to the
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* specified <code>Digester</code> instance, associating them with
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* our namespace URI (if any). This method should only be called
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* by a Digester instance.</p>
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*
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* @param digester Digester instance to which the new Rule instances
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* should be added.
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*/
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@Override
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public void addRuleInstances(Digester digester) {
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StringBuilder pattern = new StringBuilder(prefix);
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for (int i = 0; i < MAX_NESTED_REALM_LEVELS; i++) {
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if (i > 0) {
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pattern.append('/');
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}
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pattern.append("Realm");
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addRuleInstances(digester, pattern.toString(), i == 0 ? "setRealm" : "addRealm");
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}
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}
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private void addRuleInstances(Digester digester, String pattern, String methodName) {
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digester.addObjectCreate(pattern, null /* MUST be specified in the element */,
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"className");
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digester.addSetProperties(pattern);
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digester.addSetNext(pattern, methodName, "org.apache.catalina.Realm");
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digester.addRuleSet(new CredentialHandlerRuleSet(pattern + "/"));
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}
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}
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