nonanalou commented on code in PR #28: URL: https://github.com/apache/sling-org-apache-sling-xss/pull/28#discussion_r944295108
########## src/main/java/org/apache/sling/xss/impl/xml/PolicyProvider.java: ########## @@ -0,0 +1,142 @@ +/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + ~ 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.sling.xss.impl.xml; + +import java.io.IOException; +import java.io.InputStream; +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.regex.Pattern; + +import javax.xml.stream.XMLStreamException; + +import org.apache.sling.xss.impl.PolicyException; + +public class PolicyProvider { + + protected final Map<String, Pattern> commonRegularExpressions = new HashMap<>(); + protected final Map<String, Attribute> commonAttributes = new HashMap<>(); + protected final Map<String, Tag> tagRules = new HashMap<>(); + protected final Map<String, Property> cssRules = new HashMap<>(); + protected final Map<String, String> directives = new HashMap<>(); + protected final Map<String, Attribute> globalAttributes = new HashMap<>(); + protected final Map<String, Attribute> dynamicAttributes = new HashMap<>(); + protected List<String> allowedEmptyTags = new ArrayList<>(); + protected final List<String> requireClosingTags = new ArrayList<>(); + + public static class CssPolicy { + + private final Map<String, Property> cssRules; + private final IncludeExcludeMatcher elementMatcher; + private final IncludeExcludeMatcher classMatcher; + private final IncludeExcludeMatcher idMatcher; + private final IncludeExcludeMatcher pseudoElementMatcher; + private final IncludeExcludeMatcher attributeMatcher; + + public CssPolicy(Map<String, Property> cssrules, Map<String, Pattern> commonRegExps, Map<String, String> directives) { + this.cssRules = Collections.unmodifiableMap(cssrules); + this.elementMatcher = new IncludeExcludeMatcher(commonRegExps.get("cssElementSelector"), + commonRegExps.get("cssElementExclusion")); + this.classMatcher = new IncludeExcludeMatcher(commonRegExps.get("cssClassSelector"), + commonRegExps.get("cssClassExclusion")); + this.idMatcher = new IncludeExcludeMatcher(commonRegExps.get("cssIDSelector"), + commonRegExps.get("cssIDExclusion")); + this.pseudoElementMatcher = new IncludeExcludeMatcher(commonRegExps.get("cssPseudoElementSelector"), + commonRegExps.get("cssPseudoElementExclusion")); + this.attributeMatcher = new IncludeExcludeMatcher(commonRegExps.get("cssAttributeSelector"), + commonRegExps.get("cssAttributeExclusion")); + } + + public Map<String, Property> getCssRules() { + return cssRules; + } + + public boolean isValidElementName(String name) { + return elementMatcher.matches(name); + } + + public boolean isValidClassName(String name) { + return classMatcher.matches(name); + } + + public boolean isValidId(String name) { + return idMatcher.matches(name); + } + + public boolean isValidPseudoElementName(String name) { + return pseudoElementMatcher.matches(name); + } + + public boolean isValidAttributeSelector(String name) { + return attributeMatcher.matches(name); + } + } + + public Map<String, String> getDirectives() { + return directives; + } + + public List<String> getRequireClosingTags() { + return requireClosingTags; + } + + public Map<String, Pattern> getCommonRegularExpressions() { + return commonRegularExpressions; + } + + public Map<String, Attribute> getGlobalAttributes() { + return globalAttributes; + } + + public Map<String, Attribute> getCommonAttributes() { + return commonAttributes; + } + + public Map<String, Property> getCssRules() { + return cssRules; + } + + public List<String> getAllowedEmptyTags() { + return allowedEmptyTags; + } + + public Map<String, Tag> getTagRules() { + return tagRules; + } + + public Map<String, Attribute> getDynamicAttributes() { + return dynamicAttributes; + } + + public CssPolicy getCssPolicy() { + return new CssPolicy(cssRules, + commonRegularExpressions, directives); + } + + public PolicyProvider(InputStream input) throws PolicyException, XMLStreamException, IOException { + AntiSamyXmlParser xmlParser = new AntiSamyXmlParser(); + MapBuilder mapBuilder = new MapBuilder(); + AntiSamyRules root = null; Review Comment: Resolved: 99bb91ab6e2529fd6ef25858f874a26cb159e87e -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
