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## 内容1
### 文件路径：
xwiki-platform-core/xwiki-platform-bridge/pom.xml
### 代码内容：
<?xml version="1.0" encoding="UTF-8"?>

<!--
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
-->

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>org.xwiki.platform</groupId>
    <artifactId>xwiki-platform-core</artifactId>
    <version>15.2-SNAPSHOT</version>
  </parent>
  <artifactId>xwiki-platform-bridge</artifactId>
  <name>XWiki Platform - Bridge</name>
  <packaging>jar</packaging>
  <description>Temporary bridge between new components and the old core, until the old core is completely split into components</description>
  <properties>
    <xwiki.jacoco.instructionRatio>0.39</xwiki.jacoco.instructionRatio>
    <!-- Name to display by the Extension Manager -->
    <xwiki.extension.name>Model Bridge API</xwiki.extension.name>
  </properties>
  <dependencies>
    <dependency>
      <groupId>org.xwiki.platform</groupId>
      <artifactId>xwiki-platform-model-api</artifactId>
      <version>${project.version}</version>
    </dependency>
    <dependency>
      <groupId>org.xwiki.commons</groupId>
      <artifactId>xwiki-commons-component-api</artifactId>
      <version>${commons.version}</version>
    </dependency>
    <dependency>
      <groupId>org.xwiki.rendering</groupId>
      <artifactId>xwiki-rendering-api</artifactId>
      <version>${rendering.version}</version>
    </dependency>
    <dependency>
      <groupId>org.xwiki.commons</groupId>
      <artifactId>xwiki-commons-observation-api</artifactId>
      <version>${commons.version}</version>
    </dependency>
    <dependency>
      <groupId>org.xwiki.platform</groupId>
      <artifactId>xwiki-platform-security-authorization-api</artifactId>
      <version>${project.version}</version>
    </dependency>
    <dependency>
      <groupId>org.xwiki.platform</groupId>
      <artifactId>xwiki-platform-user-api</artifactId>
      <version>${project.version}</version>
    </dependency>
    <!-- Test Dependencies -->
    <dependency>
      <groupId>org.xwiki.commons</groupId>
      <artifactId>xwiki-commons-tool-test-component</artifactId>
      <version>${commons.version}</version>
      <scope>test</scope>
    </dependency>
  </dependencies>
</project>

## 内容2
### 文件路径：
xwiki-platform-core/xwiki-platform-icon/xwiki-platform-icon-api/src/main/java/org/xwiki/icon/IconException.java
### 代码内容：
/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.xwiki.icon;

/**
 * Exception relating to icon manipulations.
 *
 * @since 6.2M1
 * @version $Id$
 */
public class IconException extends Exception
{
    /**
     * Constructor.
     *
     * @param message message to store in the exception
     * @param source source of the error
     */
    public IconException(String message, Throwable source)
    {
        super(message, source);
    }
}

## 内容3
### 文件路径：
xwiki-platform-core/xwiki-platform-icon/xwiki-platform-icon-api/src/main/java/org/xwiki/icon/IconSet.java
### 代码内容：
/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.xwiki.icon;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * A collection of icons, with some properties to display them.
 *
 * @version $Id$
 * @since 6.2M1
 */
public class IconSet
{
    private String name;

    private Map<String, Icon> iconMap = new HashMap<>();

    private String css;

    private String ssx;

    private String jsx;

    private String renderWiki;

    private String renderHTML;

    private String iconUrl;

    private String iconCssClass;

    private IconType type;

    /**
     * Constructor.
     *
     * @param name name of the icon set
     */
    public IconSet(String name)
    {
        this.name = name;
    }

    /**
     * @param name name of the icon to get
     * @return the icon corresponding to the given name
     */
    public Icon getIcon(String name)
    {
        return iconMap.get(name);
    }

    /**
     * Add an icon to the icon set.
     *
     * @param name name of the icon
     * @param icon the icon to add
     */
    public void addIcon(String name, Icon icon)
    {
        iconMap.put(name, icon);
    }

    /**
     * @return the name of the icon set
     */
    public String getName()
    {
        return name;
    }

    /**
     * Set the name of the icon set.
     *
     * @param name the name to set
     */
    public void setName(String name)
    {
        this.name = name;
    }

    /**
     * @return the URL of a CSS file to enable to display this icon set properly, or null if it is not necessary
     */
    public String getCss()
    {
        return css;
    }

    /**
     * Set the URL of a CSS file to enable to display this icon set properly.
     *
     * @param css URL of the CSS file (it can contains velocity code).
     */
    public void setCss(String css)
    {
        this.css = css;
    }

    /**
     * @return the name of a SSX document to enable to display this icon set properly, or null if it is not necessary
     */
    public String getSsx()
    {
        return ssx;
    }

    /**
     * Set the page name of a SSX document to enable to display the icon set properly.
     *
     * @param ssx the SSX document name
     */
    public void setSsx(String ssx)
    {
        this.ssx = ssx;
    }

    /**
     * @return the name of a JSX document to enable to display this icon set properly, or null if it is not necessary
     */
    public String getJsx()
    {
        return jsx;
    }

    /**
     * Set the page name of a JSX document to enable to display the icon set properly.
     *
     * @param jsx the JSX document name
     */
    public void setJsx(String jsx)
    {
        this.jsx = jsx;
    }

    /**
     * @return the wiki code (containing velocity), to display an icon from this set.
     */
    public String getRenderWiki()
    {
        return renderWiki;
    }

    /**
     * Set the wiki code (containing velocity) to display an icon from this set.
     *
     * @param renderWiki wiki code to set
     */
    public void setRenderWiki(String renderWiki)
    {
        this.renderWiki = renderWiki;
    }

    /**
     * @return the HTML code (containing velocity) to display an icon from this set
     */
    public String getRenderHTML()
    {
        return renderHTML;
    }

    /**
     * Set the HTML code (containing velocity) to display an icon from this set.
     *
     * @param renderHTML the HTML code to set
     */
    public void setRenderHTML(String renderHTML)
    {
        this.renderHTML = renderHTML;
    }

    /**
     * @return the icon url
     * @since 10.6RC1
     */
    public String getIconUrl()
    {
        return iconUrl;
    }

    /**
     * Set the url of the icon.
     *
     * @param iconUrl the icon url
     * @since 10.6RC1
     */
    public void setIconUrl(String iconUrl)
    {
        this.iconUrl = iconUrl;
    }

    /**
     * @return the icon css class
     * @since 10.6RC1
     */
    public String getIconCssClass()
    {
        return iconCssClass;
    }

    /**
     * Set the css class of the icon.
     *
     * @param iconCssClass the icon css class
     * @since 10.6RC1
     */
    public void setIconCssClass(String iconCssClass)
    {
        this.iconCssClass = iconCssClass;
    }

    /**
     * @return the type of icons that contains this set
     */
    public IconType getType()
    {
        return type;
    }

    /**
     * Set the type of icons that contains this set.
     *
     * @param type type to set
     */
    public void setType(IconType type)
    {
        this.type = type;
    }

    /**
     * @return the list of names of all icons
     * @since 6.4M1
     */
    public List<String> getIconNames()
    {
        return new ArrayList<>(iconMap.keySet());
    }

    /**
     * Checks if the provided icon name exists in the icon set.
     *
     * @param iconName an icon name (for instance, {@code add})
     * @return {@code true} if the icon name exists in the icon set, {@code false} otherwise
     * @since 13.4RC1
     */
    public boolean hasIcon(String iconName)
    {
        return this.iconMap.containsKey(iconName);
    }
}

## 内容4
### 文件路径：
xwiki-platform-core/xwiki-platform-icon/xwiki-platform-icon-default/pom.xml
### 代码内容：
<?xml version="1.0" encoding="UTF-8"?>

<!--
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
-->

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>org.xwiki.platform</groupId>
    <artifactId>xwiki-platform-icon</artifactId>
    <version>15.2-SNAPSHOT</version>
  </parent>
  <artifactId>xwiki-platform-icon-default</artifactId>
  <name>XWiki Platform - Icon - Default implementation</name>
  <description>XWiki Platform - Icon - Default implementation</description>
  <properties>
    <xwiki.jacoco.instructionRatio>0.97</xwiki.jacoco.instructionRatio>
  </properties>
  <dependencies>
    <dependency>
      <groupId>org.xwiki.platform</groupId>
      <artifactId>xwiki-platform-icon-api</artifactId>
      <version>${project.version}</version>
    </dependency>
    <dependency>
      <groupId>org.xwiki.platform</groupId>
      <artifactId>xwiki-platform-oldcore</artifactId>
      <version>${project.version}</version>
    </dependency>
    <dependency>
      <groupId>org.xwiki.platform</groupId>
      <artifactId>xwiki-platform-bridge</artifactId>
      <version>${project.version}</version>
    </dependency>
    <dependency>
      <groupId>org.xwiki.platform</groupId>
      <artifactId>xwiki-platform-skin-api</artifactId>
      <version>${project.version}</version>
    </dependency>
    <dependency>
      <groupId>org.xwiki.platform</groupId>
      <artifactId>xwiki-platform-wiki-api</artifactId>
      <version>${project.version}</version>
    </dependency>

    <!-- Test Dependencies -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.xwiki.commons</groupId>
      <artifactId>xwiki-commons-tool-test-component</artifactId>
      <version>${commons.version}</version>
      <scope>test</scope>
    </dependency>
    <!-- Test component list dependency to skinx. -->
    <dependency>
      <groupId>org.xwiki.platform</groupId>
      <artifactId>xwiki-platform-skin-skinx</artifactId>
      <version>${project.version}</version>
      <scope>test</scope>
    </dependency>
  </dependencies>
  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-jar-plugin</artifactId>
        <executions>
          <execution>
            <id>test-jar</id>
            <goals>
              <goal>test-jar</goal>
            </goals>
            <configuration>
              <includes>
                <include>**/DefaultIconManagerComponentList.class</include>
              </includes>
            </configuration>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>
</project>

## 内容5
### 文件路径：
xwiki-platform-core/xwiki-platform-icon/xwiki-platform-icon-default/src/main/java/org/xwiki/icon/internal/DefaultIconSetLoader.java
### 代码内容：
/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.xwiki.icon.internal;

import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.util.Properties;

import javax.inject.Inject;
import javax.inject.Singleton;

import org.xwiki.bridge.DocumentAccessBridge;
import org.xwiki.bridge.DocumentModelBridge;
import org.xwiki.component.annotation.Component;
import org.xwiki.icon.Icon;
import org.xwiki.icon.IconException;
import org.xwiki.icon.IconSet;
import org.xwiki.icon.IconSetLoader;
import org.xwiki.icon.IconType;
import org.xwiki.model.reference.DocumentReference;
import org.xwiki.wiki.descriptor.WikiDescriptorManager;

/**
 * Default implementation of {@link org.xwiki.icon.IconSetLoader}.
 *
 * @version $Id$
 * @since 6.2M1
 */
@Component
@Singleton
public class DefaultIconSetLoader implements IconSetLoader
{
    private static final String CSS_PROPERTY_NAME = "xwiki.iconset.css";

    private static final String SSX_PROPERTY_NAME = "xwiki.iconset.ssx";

    private static final String JSX_PROPERTY_NAME = "xwiki.iconset.jsx";

    private static final String RENDER_WIKI_PROPERTY_NAME = "xwiki.iconset.render.wiki";

    private static final String RENDER_HTML_PROPERTY_NAME = "xwiki.iconset.render.html";

    private static final String ICON_TYPE_PROPERTY_NAME = "xwiki.iconset.type";

    private static final String ICON_URL_PROPERTY_NAME = "xwiki.iconset.icon.url";

    private static final String ICON_CSS_CLASS_PROPERTY_NAME = "xwiki.iconset.icon.cssClass";

    private static final String ERROR_MSG = "Failed to load the IconSet [%s].";

    @Inject
    private DocumentAccessBridge documentAccessBridge;

    @Inject
    private WikiDescriptorManager wikiDescriptorManager;

    @Override
    public IconSet loadIconSet(DocumentReference iconSetReference) throws IconException
    {
        try {
            // Get the document
            DocumentModelBridge doc = documentAccessBridge.getDocumentInstance(iconSetReference);
            String content = doc.getContent();
            // The name of the icon set is stored in the IconThemesCode.IconThemeClass XObject of the document
            DocumentReference iconClassRef = new DocumentReference(wikiDescriptorManager.getCurrentWikiId(),
                "IconThemesCode", "IconThemeClass");
            String name = (String) documentAccessBridge.getProperty(iconSetReference, iconClassRef, "name");
            // Load the icon set
            return loadIconSet(new StringReader(content), name);
        } catch (Exception e) {
            throw new IconException(String.format(ERROR_MSG, iconSetReference), e);
        }
    }

    @Override
    public IconSet loadIconSet(Reader input, String name) throws IconException
    {
        IconSet iconSet = new IconSet(name);
        Properties properties = new Properties();
        try {
            properties.load(input);
        } catch (IOException e) {
            throw new IconException(String.format(ERROR_MSG, name), e);
        }

        properties.stringPropertyNames().forEach(key -> setIconSetProperty(iconSet, key, properties.getProperty(key)));

        return iconSet;
    }

    private void setIconSetProperty(IconSet iconSet, String key, String value)
    {
        if (CSS_PROPERTY_NAME.equals(key)) {
            iconSet.setCss(value);
        } else if (SSX_PROPERTY_NAME.equals(key)) {
            iconSet.setSsx(value);
        } else if (JSX_PROPERTY_NAME.equals(key)) {
            iconSet.setJsx(value);
        } else if (RENDER_WIKI_PROPERTY_NAME.equals(key)) {
            iconSet.setRenderWiki(value);
        } else if (RENDER_HTML_PROPERTY_NAME.equals(key)) {
            iconSet.setRenderHTML(value);
        } else if (ICON_TYPE_PROPERTY_NAME.equals(key)) {
            iconSet.setType(IconType.valueOf(value.toUpperCase()));
        } else if (ICON_URL_PROPERTY_NAME.equals(key)) {
            iconSet.setIconUrl(value);
        } else if (ICON_CSS_CLASS_PROPERTY_NAME.equals(key)) {
            iconSet.setIconCssClass(value);
        } else {
            Icon icon = new Icon();
            icon.setValue(value);
            iconSet.addIcon(key, icon);
        }
    }
}

## 内容6
### 文件路径：
xwiki-platform-core/xwiki-platform-icon/xwiki-platform-icon-default/src/main/java/org/xwiki/icon/internal/DefaultIconSetManager.java
### 代码内容：
/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.xwiki.icon.internal;

import java.io.IOException;
import java.io.InputStreamReader;
import java.util.List;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Provider;
import javax.inject.Singleton;

import org.apache.commons.lang3.StringUtils;
import org.xwiki.bridge.DocumentAccessBridge;
import org.xwiki.component.annotation.Component;
import org.xwiki.configuration.ConfigurationSource;
import org.xwiki.icon.IconException;
import org.xwiki.icon.IconSet;
import org.xwiki.icon.IconSetCache;
import org.xwiki.icon.IconSetLoader;
import org.xwiki.icon.IconSetManager;
import org.xwiki.icon.internal.context.IconSetContext;
import org.xwiki.model.reference.DocumentReference;
import org.xwiki.model.reference.DocumentReferenceResolver;
import org.xwiki.query.Query;
import org.xwiki.query.QueryException;
import org.xwiki.query.QueryManager;
import org.xwiki.wiki.descriptor.WikiDescriptorManager;

import com.xpn.xwiki.XWiki;
import com.xpn.xwiki.XWikiContext;

/**
 * Default implementation of {@link org.xwiki.icon.IconSetManager}.
 *
 * @since 6.2M1
 * @version $Id$
 */
@Component
@Singleton
public class DefaultIconSetManager implements IconSetManager
{
    private static final String DEFAULT_ICONSET_NAME = "default";

    @Inject
    private Provider<XWikiContext> xcontextProvider;

    @Inject
    @Named("current")
    private DocumentReferenceResolver<String> documentReferenceResolver;

    @Inject
    private DocumentAccessBridge documentAccessBridge;

    @Inject
    private IconSetCache iconSetCache;

    @Inject
    private IconSetLoader iconSetLoader;

    @Inject
    private IconSetContext iconSetContext;

    @Inject
    private QueryManager queryManager;

    @Inject
    private WikiDescriptorManager wikiDescriptorManager;

    @Inject
    @Named("all")
    private ConfigurationSource configurationSource;

    @Override
    public IconSet getCurrentIconSet() throws IconException
    {
        // Check the context
        IconSet iconSet = this.iconSetContext.getIconSet();
        if (iconSet != null) {
            return iconSet;
        }

        // Get the current icon theme
        String iconTheme = this.configurationSource.getProperty("iconTheme");

        // Get the icon set
        DocumentReference iconThemeDocRef = documentReferenceResolver.resolve(iconTheme);
        if (!StringUtils.isBlank(iconTheme) && exists(iconThemeDocRef)) {
            iconSet = iconSetCache.get(iconThemeDocRef);
            if (iconSet == null) {
                // lazy loading
                iconSet = iconSetLoader.loadIconSet(iconThemeDocRef);
                iconSetCache.put(iconThemeDocRef, iconSet);
                iconSetCache.put(iconSet.getName(), wikiDescriptorManager.getCurrentWikiId(), iconSet);
            }
        }

        return iconSet;
    }

    private boolean exists(DocumentReference iconThemeDocRef) throws IconException
    {
        try {
            return this.documentAccessBridge.exists(iconThemeDocRef);
        } catch (Exception e) {
            throw new IconException("Failed to check if the icon theme age exist", e);
        }
    }

    @Override
    public IconSet getDefaultIconSet() throws IconException
    {
        XWikiContext xcontext = xcontextProvider.get();
        XWiki xwiki = xcontext.getWiki();

        IconSet iconSet = iconSetCache.get(DEFAULT_ICONSET_NAME);
        if (iconSet == null) {
            // lazy loading
            try (InputStreamReader reader =
                new InputStreamReader(xwiki.getResourceAsStream("/resources/icons/default.iconset"))) {
                iconSet = iconSetLoader.loadIconSet(reader, DEFAULT_ICONSET_NAME);
                iconSetCache.put(DEFAULT_ICONSET_NAME, iconSet);
            } catch (IOException e) {
                throw new IconException("Failed to load the current default icon set resource.", e);
            } catch (IconException e) {
                throw new IconException("Failed to get the current default icon set.", e);
            }
        }

        return iconSet;
    }

    @Override
    public IconSet getIconSet(String name) throws IconException
    {
        // Special case: the default icon theme
        if (DEFAULT_ICONSET_NAME.equals(name)) {
            return getDefaultIconSet();
        }

        // Get the icon set from the cache
        IconSet iconSet = iconSetCache.get(name, wikiDescriptorManager.getCurrentWikiId());

        // Load it if it is not loaded yet
        if (iconSet == null) {
            try {
                // Search by name
                String xwql = "FROM doc.object(IconThemesCode.IconThemeClass) obj WHERE obj.name = :name";
                Query query = queryManager.createQuery(xwql, Query.XWQL);
                query.bindValue("name", name);
                List<String> results = query.execute();
                if (results.isEmpty()) {
                    return null;
                }

                // Get the first result
                String docName = results.get(0);
                DocumentReference docRef = documentReferenceResolver.resolve(docName);

                // Load the icon theme
                iconSet = iconSetLoader.loadIconSet(docRef);

                // Put it in the cache
                iconSetCache.put(docRef, iconSet);
                iconSetCache.put(name, wikiDescriptorManager.getCurrentWikiId(), iconSet);
            } catch (QueryException e) {
                throw new IconException(String.format("Failed to load the icon set [%s].", name), e);
            }
        }

        // Return the icon set
        return iconSet;
    }

    @Override
    public List<String> getIconSetNames() throws IconException
    {
        try {
            String xwql = "SELECT obj.name FROM Document doc, doc.object(IconThemesCode.IconThemeClass) obj "
                    + "ORDER BY obj.name";
            Query query = queryManager.createQuery(xwql, Query.XWQL);
            return query.execute();
        } catch (QueryException e) {
            throw new IconException("Failed to get the name of all icon sets.", e);
        }
    }
}

## 内容7
### 文件路径：
xwiki-platform-core/xwiki-platform-icon/xwiki-platform-icon-default/src/main/java/org/xwiki/icon/internal/VelocityRenderer.java
### 代码内容：
/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.xwiki.icon.internal;

import java.io.StringWriter;

import javax.inject.Inject;
import javax.inject.Singleton;

import org.apache.velocity.VelocityContext;
import org.xwiki.component.annotation.Component;
import org.xwiki.icon.IconException;
import org.xwiki.logging.LoggerConfiguration;
import org.xwiki.velocity.VelocityEngine;
import org.xwiki.velocity.VelocityManager;
import org.xwiki.velocity.XWikiVelocityContext;
import org.xwiki.velocity.XWikiVelocityException;

/**
 * Internal helper to render safely any velocity code.
 *
 * @version $Id$
 * @since 6.4M1
 */
@Component(roles = VelocityRenderer.class)
@Singleton
public class VelocityRenderer
{
    @Inject
    private VelocityManager velocityManager;

    @Inject
    private LoggerConfiguration loggerConfiguration;

    /**
     * Render a velocity code without messing with the document context and namespace.
     * @param code code to render
     * @return the rendered code
     * @throws IconException if problem occurs
     */
    public String render(String code) throws IconException
    {
        // The macro namespace to use by the velocity engine, see afterwards.
        String namespace = "IconVelocityRenderer_" + Thread.currentThread().getId();

        // Create the output writer
        StringWriter output = new StringWriter();

        VelocityEngine engine = null;
        try {
            // Get the velocity engine
            engine = velocityManager.getVelocityEngine();

            // Use a new macro namespace to prevent the code redefining existing macro.
            // We use the thread name to have a unique id.
            engine.startedUsingMacroNamespace(namespace);

            // Create a new VelocityContext to prevent the code creating variables in the current context.
            // See https://jira.xwiki.org/browse/XWIKI-11400.
            // We set the current context as inner context of the new one to be able to read existing variables.
            // See https://jira.xwiki.org/browse/XWIKI-11426.
            VelocityContext context = new XWikiVelocityContext(velocityManager.getVelocityContext(),
                this.loggerConfiguration.isDeprecatedLogEnabled());

            // Render the code
            if (engine.evaluate(context, output, "DefaultIconRenderer", code)) {
                return output.toString();
            } else {
                // I don't know how to check the velocity runtime log
                throw new IconException("Failed to render the icon. See the Velocity runtime log.", null);
            }
        } catch (XWikiVelocityException e) {
            throw new IconException("Failed to render the icon.", e);
        } finally {
            // Do not forget to close the macro namespace we have created previously
            if (engine != null) {
                engine.stoppedUsingMacroNamespace(namespace);
            }
        }
    }
}

## 内容8
### 文件路径：
xwiki-platform-core/xwiki-platform-rendering/xwiki-platform-rendering-xwiki/src/main/java/org/xwiki/rendering/script/RenderingScriptService.java
### 代码内容：
/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.xwiki.rendering.script;

import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Provider;
import javax.inject.Singleton;

import org.apache.commons.lang3.exception.ExceptionUtils;
import org.slf4j.Logger;
import org.xwiki.component.annotation.Component;
import org.xwiki.component.manager.ComponentLookupException;
import org.xwiki.component.manager.ComponentManager;
import org.xwiki.rendering.block.Block;
import org.xwiki.rendering.block.XDOM;
import org.xwiki.rendering.configuration.ExtendedRenderingConfiguration;
import org.xwiki.rendering.configuration.RenderingConfiguration;
import org.xwiki.rendering.macro.MacroCategoryManager;
import org.xwiki.rendering.macro.MacroId;
import org.xwiki.rendering.macro.MacroIdFactory;
import org.xwiki.rendering.macro.MacroLookupException;
import org.xwiki.rendering.macro.MacroManager;
import org.xwiki.rendering.macro.descriptor.MacroDescriptor;
import org.xwiki.rendering.parser.ParseException;
import org.xwiki.rendering.parser.Parser;
import org.xwiki.rendering.renderer.BlockRenderer;
import org.xwiki.rendering.renderer.PrintRendererFactory;
import org.xwiki.rendering.renderer.printer.DefaultWikiPrinter;
import org.xwiki.rendering.renderer.printer.WikiPrinter;
import org.xwiki.rendering.syntax.Syntax;
import org.xwiki.script.service.ScriptService;
import org.xwiki.stability.Unstable;

/**
 * Provides Rendering-specific Scripting APIs.
 *
 * @version $Id$
 * @since 2.3M1
 */
@Component
@Named("rendering")
@Singleton
public class RenderingScriptService implements ScriptService
{
    /**
     * Used to lookup parsers and renderers to discover available syntaxes.
     */
    @Inject
    @Named("context")
    private Provider<ComponentManager> componentManagerProvider;

    @Inject
    private Logger logger;

    @Inject
    private RenderingConfiguration baseConfiguration;

    @Inject
    private ExtendedRenderingConfiguration extendedConfiguration;

    @Inject
    private MacroManager macroManager;

    @Inject
    private MacroCategoryManager macroCategoryManager;

    @Inject
    private MacroIdFactory macroIdFactory;

    /**
     * @return the list of syntaxes for which a Parser is available
     */
    public List<Syntax> getAvailableParserSyntaxes()
    {
        List<Syntax> syntaxes = new ArrayList<>();
        try {
            for (Parser parser : this.componentManagerProvider.get().<Parser>getInstanceList(Parser.class)) {
                syntaxes.add(parser.getSyntax());
            }
        } catch (ComponentLookupException e) {
            // Failed to lookup parsers, consider there are no syntaxes available
            this.logger.error("Failed to lookup parsers", e);
        }

        return syntaxes;
    }

    /**
     * @return the list of syntaxes for which a Renderer is available
     */
    public List<Syntax> getAvailableRendererSyntaxes()
    {
        List<Syntax> syntaxes = new ArrayList<>();
        try {
            List<PrintRendererFactory> factories =
                this.componentManagerProvider.get().getInstanceList(PrintRendererFactory.class);
            for (PrintRendererFactory factory : factories) {
                syntaxes.add(factory.getSyntax());
            }
        } catch (ComponentLookupException e) {
            // Failed to lookup renderers, consider there are no syntaxes available
            this.logger.error("Failed to lookup renderers", e);
        }

        return syntaxes;
    }

    /**
     * @return the names of Transformations that are configured in the Rendering Configuration and which are used by the
     *         Transformation Manager when running all transformations
     */
    public List<String> getDefaultTransformationNames()
    {
        return this.baseConfiguration.getTransformationNames();
    }

    /**
     * Parses a text written in the passed syntax.
     *
     * @param text the text to parse
     * @param syntaxId the id of the syntax in which the text is written in
     * @return the XDOM representing the AST of the parsed text or null if an error occurred
     * @since 3.2M3
     */
    public XDOM parse(String text, String syntaxId)
    {
        XDOM result;
        try {
            Parser parser = this.componentManagerProvider.get().getInstance(Parser.class, syntaxId);
            result = parser.parse(new StringReader(text));
        } catch (Exception e) {
            result = null;
        }
        return result;
    }

    /**
     * Render a list of Blocks into the passed syntax.
     *
     * @param block the block to render
     * @param outputSyntaxId the syntax in which to render the blocks
     * @return the string representing the passed blocks in the passed syntax or null if an error occurred
     * @since 3.2M3
     */
    public String render(Block block, String outputSyntaxId)
    {
        String result;
        WikiPrinter printer = new DefaultWikiPrinter();
        try {
            BlockRenderer renderer =
                this.componentManagerProvider.get().getInstance(BlockRenderer.class, outputSyntaxId);
            renderer.render(block, printer);
            result = printer.toString();
        } catch (Exception e) {
            result = null;
        }
        return result;
    }

    /**
     * Converts a Syntax specified as a String into a proper Syntax object.
     *
     * @param syntaxId the syntax as a string (eg "xwiki/2.0", "html/4.01", etc)
     * @return the proper Syntax object representing the passed syntax
     */
    public Syntax resolveSyntax(String syntaxId)
    {
        Syntax syntax;
        try {
            syntax = Syntax.valueOf(syntaxId);
        } catch (ParseException exception) {
            syntax = null;
        }
        return syntax;
    }

    /**
     * Escapes a give text using the escaping method specific to the given syntax.
     * <p>
     * One example of escaping method is using escape characters like {@code ~} for the {@link Syntax#XWIKI_2_1} syntax
     * on all or just some characters of the given text.
     * <p>
     * The current implementation only escapes XWiki 1.0, 2.0 and 2.1 syntaxes.
     *
     * @param content the text to escape
     * @param syntax the syntax to escape the content in (e.g. {@link Syntax#XWIKI_1_0}, {@link Syntax#XWIKI_2_0},
     *            {@link Syntax#XWIKI_2_1}, etc.). This is the syntax where the output will be used and not necessarily
     *            the same syntax of the input content
     * @return the escaped text or {@code null} if the given content or the given syntax are {@code null}, or if the
     *         syntax is not supported
     * @since 7.1M1
     */
    public String escape(String content, Syntax syntax)
    {
        if (content == null || syntax == null) {
            return null;
        }

        // Determine the escape character for the syntax.
        char escapeChar;
        try {
            escapeChar = getEscapeCharacter(syntax);
        } catch (Exception e) {
            // We don`t know how to proceed, so we just return null.
            return null;
        }

        // Since we prefix all characters, the result size will be double the input's, so we can just use char[].
        char[] result = new char[content.length() * 2];

        // Escape the content.
        for (int i = 0; i < content.length(); i++) {
            result[2 * i] = escapeChar;
            result[2 * i + 1] = content.charAt(i);
        }

        return String.valueOf(result);
    }

    /**
     * @return the list of Rendering Syntaxes that are configured for the current wiki (i.e. that are proposed to the
     *         user when editing wiki pages). These are input Syntaxes only (i.e. Syntaxes having a Parser for them).
     * @since 8.2M1
     */
    public List<Syntax> getConfiguredSyntaxes()
    {
        return this.extendedConfiguration.getConfiguredSyntaxes();
    }

    /**
     * @return the list of Rendering Syntaxes that are disabled for the current wiki (i.e. that should not be proposed
     *         to the user when editing wiki pages)
     * @since 8.2M1
     */
    public List<Syntax> getDisabledSyntaxes()
    {
        return this.extendedConfiguration.getDisabledSyntaxes();
    }

    /**
     * @param syntax the syntax for which to return the list of Macro descriptors
     * @return the macro descriptors for the macros registered and available to the passed syntax
     * @throws MacroLookupException if a macro component descriptor cannot be loaded
     * @since 9.7RC1
     */
    public List<MacroDescriptor> getMacroDescriptors(Syntax syntax) throws MacroLookupException
    {
        List<MacroDescriptor> macroDescriptors = new ArrayList<>();
        for (MacroId id : this.macroManager.getMacroIds(syntax)) {
            macroDescriptors.add(this.macroManager.getMacro(id).getDescriptor());
        }
        return macroDescriptors;
    }

    /**
     * @param macroIdAsString a string representing a macro id
     * @return the resolved macro id or {@code null} if resolving the given string fails
     * @since 10.10RC1
     */
    public MacroId resolveMacroId(String macroIdAsString)
    {
        try {
            return this.macroIdFactory.createMacroId(macroIdAsString);
        } catch (ParseException e) {
            this.logger.warn("Failed to resolve macro id [{}]. Root cause is: [{}]", macroIdAsString,
                ExceptionUtils.getRootCauseMessage(e));
            return null;
        }
    }

    /**
     * @param macroId the macro id
     * @return the descriptor of the specified macro if it exists, {@code null} otherwise
     * @since 10.10RC1
     */
    public MacroDescriptor getMacroDescriptor(MacroId macroId)
    {
        if (this.macroManager.exists(macroId)) {
            try {
                return this.macroManager.getMacro(macroId).getDescriptor();
            } catch (MacroLookupException e) {
                // Shouldn't happen normally.
            }
        }
        return null;
    }

    /**
     * Return the list of categories of a given macro.
     *
     * @param macroId the macro id
     * @return the list of categories of the macro
     * @since 14.6RC1
     */
    @Unstable
    public Set<String> getMacroCategories(MacroId macroId)
    {
        return this.macroCategoryManager.getMacroCategories(macroId);
    }

    /**
     * @return the set of hidden macro categories
     * @since 14.8RC1
     */
    @Unstable
    public Set<String> getHiddenMacroCategories()
    {
        return this.macroCategoryManager.getHiddenCategories();
    }

    private char getEscapeCharacter(Syntax syntax) throws IllegalArgumentException
    {
        if (Syntax.XWIKI_1_0.equals(syntax)) {
            return '\\';
        } else if (Syntax.XWIKI_2_0.equals(syntax) || Syntax.XWIKI_2_1.equals(syntax)) {
            return '~';
        }

        throw new IllegalArgumentException(String.format("Escaping is not supported for Syntax [%s]", syntax));
    }
}

Output:
【漏洞类型】未授权访问
【严重性】Medium
【漏洞摘要】在`DefaultIconSetLoader`类中，`loadIconSet`方法从文档中加载图标集，但未验证文档的作者是否具有执行脚本的权利。这可能导致未授权用户通过操控文档内容来执行恶意脚本。

【关键代码模式】`loadIconSet`方法，特别是以下代码行：
```java
DocumentModelBridge doc = documentAccessBridge.getDocumentInstance(iconSetReference);
String content = doc.getContent();
```
以及`VelocityRenderer`类的`render`方法中，未对上下文文档进行权限检查的代码：
```java
return velocityRenderer.render(contentToParse.toString());
```

【修复方法说明】修复方法通过引入`AuthorizationManager`和`UserReferenceSerializer`来检查文档作者的脚本执行权限，并在`VelocityRenderer`中引入了`DocumentReference`参数，以确保渲染代码时使用文档的上下文和作者权限。


Instruction:
作为 Java 安全专家，检测此代码中的安全漏洞：
## 内容1
### 文件路径：
xwiki-platform-core/xwiki-platform-oldcore/src/main/java/com/xpn/xwiki/web/XWikiServletResponse.java
### 代码内容：
/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package com.xpn.xwiki.web;

import java.io.IOException;
import java.io.PrintWriter;
import java.net.URL;
import java.util.Collection;
import java.util.Locale;
import java.util.regex.Pattern;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xwiki.url.URLSecurityManager;

public class XWikiServletResponse implements XWikiResponse
{
    private static final Logger LOGGER = LoggerFactory.getLogger(XWikiServletResponse.class);
    private static final Pattern ABSOLUTE_URL_PATTERN = Pattern.compile("[a-z0-9]+://.*");

    private HttpServletResponse response;

    public XWikiServletResponse(HttpServletResponse response)
    {
        this.response = response;
    }

    @Override
    public int getStatus()
    {
        return this.response.getStatus();
    }

    @Override
    public HttpServletResponse getHttpServletResponse()
    {
        return this.response;
    }

    @Override
    public void sendRedirect(String redirect) throws IOException
    {
        if (StringUtils.isBlank(redirect)) {
            // Nowhere to go to
            return;
        }
        if (StringUtils.containsAny(redirect, '\r', '\n')) {
            LOGGER.warn("Possible HTTP Response Splitting attack, attempting to redirect to [{}]", redirect);
            return;
        }

        // check for trusted domains, only if the given location is an absolute URL.
        if (ABSOLUTE_URL_PATTERN.matcher(redirect).matches()) {
            if (!getURLSecurityManager().isDomainTrusted(new URL(redirect))) {
                LOGGER.warn(
                    "Possible phishing attack, attempting to redirect to [{}], this request has been blocked. "
                        + "If the request was legitimate, add the domain related to this request in the list "
                        + "of trusted domains in the configuration: it can be configured in xwiki.properties in "
                        + "url.trustedDomains.", redirect);
                return;
            }
        }
        this.response.sendRedirect(redirect);
    }

    private URLSecurityManager getURLSecurityManager()
    {
        return Utils.getComponent(URLSecurityManager.class);
    }

    @Override
    public void setContentType(String type)
    {
        this.response.setContentType(type);
    }

    @Override
    public void setBufferSize(int i)
    {
        this.response.setBufferSize(i);
    }

    @Override
    public int getBufferSize()
    {
        return this.response.getBufferSize();
    }

    @Override
    public void flushBuffer() throws IOException
    {
        this.response.flushBuffer();
    }

    @Override
    public void resetBuffer()
    {
        this.response.resetBuffer();
    }

    @Override
    public boolean isCommitted()
    {
        return this.response.isCommitted();
    }

    @Override
    public void reset()
    {
        this.response.reset();
    }

    @Override
    public void setContentLength(int length)
    {
        this.response.setContentLength(length);
    }

    @Override
    public void setContentLengthLong(long len)
    {
        this.response.setContentLengthLong(len);
    }

    @Override
    public String getCharacterEncoding()
    {
        return this.response.getCharacterEncoding();
    }

    @Override
    public ServletOutputStream getOutputStream() throws IOException
    {
        return this.response.getOutputStream();
    }

    @Override
    public PrintWriter getWriter() throws IOException
    {
        return this.response.getWriter();
    }

    @Override
    public void setCharacterEncoding(String s)
    {
        this.response.setCharacterEncoding(s);
    }

    @Override
    public void addCookie(Cookie cookie)
    {
        this.response.addCookie(cookie);
    }

    public void addCookie(String cookieName, String cookieValue, int age)
    {
        Cookie cookie = new Cookie(cookieName, cookieValue);
        cookie.setVersion(1);
        cookie.setMaxAge(age);
        this.response.addCookie(cookie);
    }

    /**
     * Remove a cookie.
     *
     * @param request The servlet request needed to find the cookie to remove
     * @param cookieName The name of the cookie that must be removed.
     */
    @Override
    public void removeCookie(String cookieName, XWikiRequest request)
    {
        Cookie cookie = request.getCookie(cookieName);
        if (cookie != null) {
            cookie.setMaxAge(0);
            cookie.setPath(cookie.getPath());
            addCookie(cookie);
        }
    }

    @Override
    public void setLocale(Locale locale)
    {
        this.response.setLocale(locale);
    }

    @Override
    public Locale getLocale()
    {
        return this.response.getLocale();
    }

    @Override
    public void setDateHeader(String name, long value)
    {
        this.response.setDateHeader(name, value);
    }

    @Override
    public void setIntHeader(String name, int value)
    {
        this.response.setIntHeader(name, value);
    }

    @Override
    public void setHeader(String name, String value)
    {
        this.response.setHeader(name, value);
    }

    @Override
    public void addHeader(String name, String value)
    {
        this.response.addHeader(name, value);
    }

    @Override
    public void addDateHeader(String name, long value)
    {
        this.response.addDateHeader(name, value);
    }

    @Override
    public void addIntHeader(String name, int value)
    {
        this.response.addIntHeader(name, value);
    }

    @Override
    public void setStatus(int i)
    {
        this.response.setStatus(i);
    }

    /**
     * @deprecated
     */
    @Override
    @Deprecated
    public void setStatus(int i, String s)
    {
        this.response.setStatus(i, s);
    }

    @Override
    public boolean containsHeader(String name)
    {
        return this.response.containsHeader(name);
    }

    @Override
    public String encodeURL(String s)
    {
        return this.response.encodeURL(s);
    }

    @Override
    public String encodeRedirectURL(String s)
    {
        return this.response.encodeRedirectURL(s);
    }

    /**
     * @deprecated
     */
    @Override
    @Deprecated
    public String encodeUrl(String s)
    {
        return this.response.encodeUrl(s);
    }

    /**
     * @deprecated
     */
    @Override
    @Deprecated
    public String encodeRedirectUrl(String s)
    {
        return this.response.encodeRedirectUrl(s);
    }

    @Override
    public void sendError(int i, String s) throws IOException
    {
        this.response.sendError(i, s);
    }

    @Override
    public void sendError(int i) throws IOException
    {
        this.response.sendError(i);
    }

    @Override
    public String getContentType()
    {
        return this.response.getContentType();
    }

    @Override
    public String getHeader(String s)
    {
        return this.response.getHeader(s);
    }

    @Override
    public Collection<String> getHeaders(String s)
    {
        return this.response.getHeaders(s);
    }

    @Override
    public Collection<String> getHeaderNames()
    {
        return this.response.getHeaderNames();
    }
}

Output:
【漏洞类型】HTTP Response Splitting
【严重性】Medium
【漏洞摘要】HTTP Response Splitting是一种注入攻击，攻击者通过在URL中插入特殊字符，可以在响应头中插入额外的HTTP头，从而控制响应内容。原始代码中，sendRedirect方法仅检查了URL中是否包含换行符（'\r'和'\n'），但未处理其他可能导致响应分割的字符，如'%0D'（回车符）和'%0A'（换行符）。这使得攻击者有可能通过编码的特殊字符绕过检查。
【关键代码模式】sendRedirect(String redirect), StringUtils.containsAny(redirect, '\r', '\n')
【修复方法说明】修复方法通过更新正则表达式ABSOLUTE_URL_PATTERN来匹配更多的URL模式，同时添加了一个新的检查，用于检测URL是否以"//"开头，这可能是尝试利用HTTP协议的相对URL重定向进行攻击的迹象。修复还加强了日志记录，提醒管理员注意潜在的钓鱼攻击。


Instruction:
作为 Java 安全专家，检测此代码中的安全漏洞：
## 内容1
### 文件路径：
src/main/java/com/github/jlangch/venice/impl/util/io/LoadPaths.java
### 代码内容：
package com.github.jlangch.venice.impl.util.io;

import java.io.File;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import com.github.jlangch.venice.VncException;
import com.github.jlangch.venice.impl.util.io.zip.ZipFileSystemUtil;
import com.github.jlangch.venice.javainterop.ILoadPaths;

public class LoadPaths implements ILoadPaths {

    private LoadPaths(
            final List<File> paths,
            final boolean unlimitedAccess
    ) {
        if (paths != null) {
            this.paths.addAll(paths);
        }
        this.unlimitedAccess = unlimitedAccess;
    }

    public static LoadPaths of(
            final List<File> paths,
            final boolean unlimitedAccess
    ) {
        if (paths == null || paths.isEmpty()) {
            return new LoadPaths(null, unlimitedAccess);
        }
        else {
            final List<File> savePaths = new ArrayList<>();

            for(File p : paths) {
                if (p != null) {
                    if (p.isFile() || p.isDirectory()) {
                        savePaths.add(canonical(p.getAbsoluteFile()));
                    }
                    else {
                        // skip silently
                    }
                }
            }

            return new LoadPaths(savePaths, unlimitedAccess);
        }
    }

    @Override
    public String loadVeniceFile(final File file) {
        if (file == null) {
            return null;
        }
        else {
            final String path = file.getPath();

            final String vncFile = path.endsWith(".venice") ? path : path + ".venice";

            final ByteBuffer data = load(new File(vncFile));

            return data == null
                    ? null
                    : new String(data.array(), getCharset("UTF-8"));
        }
    }

    @Override
    public ByteBuffer loadBinaryResource(final File file) {
        return load(file);
    }

    @Override
    public String loadTextResource(final File file, final String encoding) {
        final ByteBuffer data = load(file);

        return data == null
                ? null
                : new String(data.array(), getCharset(encoding));
    }

    @Override
    public List<File> getPaths() {
        return Collections.unmodifiableList(paths);
    }

    @Override
    public boolean isOnLoadPath(final File file) {
        if (file == null) {
            throw new IllegalArgumentException("A file must not be null");
        }
        else if (unlimitedAccess) {
            return true;
        }
        else {
            final File f = canonical(file);
            final File dir = f.getParentFile();

            // check load paths
            for(File p : paths) {
                if (p.isDirectory()) {
                    if (dir.equals(p)) return true;
                }
                else if (p.isFile()) {
                    if (f.equals(p)) return true;
                }
            }

            return false;
        }
    }

    @Override
    public boolean isUnlimitedAccess() {
        return unlimitedAccess;
    }

    private ByteBuffer load(final File file) {
        final ByteBuffer dataFromLoadPath = paths.stream()
                                                 .map(p -> loadFromLoadPath(p, file))
                                                 .filter(d -> d != null)
                                                 .findFirst()
                                                 .orElse(null);

        if (dataFromLoadPath != null) {
            return dataFromLoadPath;
        }
        else if (unlimitedAccess && file.isFile()) {
            return loadFile(file);
        }
        else {
            return null;
        }
    }

    private ByteBuffer loadFromLoadPath(
            final File loadPath,
            final File file
    ) {
        if (loadPath.getName().endsWith(".zip")) {
            return loadFileFromZip(loadPath, file);
        }
        else if (loadPath.isDirectory()) {
            return loadFileFromDir(loadPath, file);
        }
        else if (loadPath.isFile()) {
            final File f = canonical(file);
            if (loadPath.equals(f)) {
                try {
                    return ByteBuffer.wrap(Files.readAllBytes(f.toPath()));
                }
                catch(IOException ex) {
                    return null;
                }
            }
            else {
                return null;
            }
        }
        else {
            return null;
        }
    }

    private ByteBuffer loadFileFromZip(
            final File zip,
            final File file
    ) {
        if (zip.exists()) {
            try {
                return ZipFileSystemUtil
                            .loadBinaryFileFromZip(zip, file)
                            .getValue();
            }
            catch(Exception ex) {
                return null;
            }
        }
        else {
            return null;
        }
    }

    private ByteBuffer loadFileFromDir(final File loadPath, final File file) {
        try {
            if (file.isAbsolute()) {
                return isFileWithinDirectory(loadPath, file)
                        ? loadFile(file)
                        : null;
            }
            else {
                final File f = new File(loadPath, file.getPath());
                return f.isFile()
                        ? loadFile(new File(loadPath, file.getPath()))
                        : null;
            }
        }
        catch (Exception ex) {
            throw new VncException(
                        String.format("Failed to load file '%s'", file.getPath()),
                        ex);
        }
    }

    private static File canonical(final File file) {
        try {
            return file.getCanonicalFile();
        }
        catch(IOException ex) {
            throw new VncException(
                    String.format(
                            "The file '%s' can not be converted to a canonical path!",
                            file.getPath()),
                    ex);
        }
    }

    private ByteBuffer loadFile(final File file) {
        try {
            return ByteBuffer.wrap(Files.readAllBytes(file.toPath()));
        }
        catch(IOException ex) {
            return null;
        }
    }

    private boolean isFileWithinDirectory(
            final File dir,
            final File file
    ) throws IOException {
        final File dir_ = dir.getAbsoluteFile();
        if (dir_.isDirectory()) {
            final File fl = new File(dir_, file.getPath());
            if (fl.isFile()) {
                if (fl.getCanonicalFile().toPath().startsWith(dir_.getCanonicalFile().toPath())) {
                    // Prevent accessing files outside the load-path.
                    // E.g.: ../../coffee
                    return true;
                }
            }
        }

        return false;
    }

    private Charset getCharset(final String encoding) {
        return encoding == null || encoding.isEmpty()
                ? Charset.defaultCharset()
                : Charset.forName(encoding);
    }

    // a list of existing canonical paths
    private final List<File> paths = new ArrayList<>();
    private final boolean unlimitedAccess;
}

Output:
【漏洞类型】路径遍历漏洞

【严重性】Medium

【漏洞摘要】此代码存在路径遍历漏洞，允许攻击者通过构造特殊的文件路径来访问或读取不应被访问的文件。具体表现为在方法`isFileWithinDirectory`中，使用`fl.getCanonicalPath().startsWith(dir_.getCanonicalPath())`来检查文件是否在指定目录下。由于`getCanonicalPath()`可能抛出`IOException`，在某些情况下，攻击者可以利用这一点来绕过安全检查。此外，`loadFileFromDir`方法中对相对路径的处理不当，可能导致路径遍历漏洞。

【关键代码模式】
- `isFileWithinDirectory`方法中的`fl.getCanonicalPath().startsWith(dir_.getCanonicalPath())`检查。
- `loadFileFromDir`方法中的`if (file.isAbsolute())`和`if (fl.isFile())`检查。
- `canonical`方法中的`file.getCanonicalFile()`调用。
- `loadFile`方法中的`Files.readAllBytes(file.toPath())`调用。

【修复方法说明】
修复方法通过将`fl.getCanonicalPath().startsWith(dir_.getCanonicalPath())`替换为`fl.getCanonicalFile().toPath().startsWith(dir_.getCanonicalFile().toPath())`来确保路径检查的准确性。此外，改进了`loadFileFromDir`方法中对相对路径的处理，以防止路径遍历漏洞。


Instruction:
作为 Java 安全专家，检测此代码中的安全漏洞：
## 内容1
### 文件路径：
src/main/java/org/sitenv/vocabularies/configuration/CodeValidatorApiConfiguration.java
### 代码内容：
package org.sitenv.vocabularies.configuration;

import org.sitenv.vocabularies.loader.VocabularyLoadRunner;
import org.sitenv.vocabularies.loader.VocabularyLoaderFactory;
import org.sitenv.vocabularies.validation.NodeValidatorFactory;
import org.sitenv.vocabularies.validation.dto.GlobalCodeValidatorResults;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.ServiceLocatorFactoryBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.core.env.Environment;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
import org.springframework.orm.hibernate4.HibernateExceptionTranslator;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.oxm.jaxb.Jaxb2Marshaller;
import org.springframework.transaction.PlatformTransactionManager;

import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;
import javax.xml.XMLConstants;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.xpath.XPathFactory;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;

/**
 * Created by Brian on 2/5/2016.
 */
@Configuration
@ComponentScan("org.sitenv.vocabularies")
@EnableJpaRepositories("org.sitenv.vocabularies.validation.repositories")
public class CodeValidatorApiConfiguration {

    @Bean
    public EntityManagerFactory entityManagerFactory() {
        HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
        vendorAdapter.setGenerateDdl(false);
        vendorAdapter.setShowSql(true);
        LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();
        factory.setJpaVendorAdapter(vendorAdapter);
        factory.setPackagesToScan("org.sitenv.vocabularies.validation.entities");
        Properties jpaProperties = new Properties();
        jpaProperties.put("hibernate.hbm2ddl.auto", "none");
        jpaProperties.put("hibernate.dialect", "org.hibernate.dialect.HSQLDialect");
        jpaProperties.put("hibernate.format_sql", "true");
        jpaProperties.put("hibernate.show_sql", "false");
        factory.setDataSource(dataSource());
        factory.setJpaProperties(jpaProperties);
        factory.afterPropertiesSet();
        return factory.getObject();
    }

    @Bean
    public PlatformTransactionManager transactionManager() {
        JpaTransactionManager txManager = new JpaTransactionManager();
        txManager.setEntityManagerFactory(entityManagerFactory());
        return txManager;
    }

    @Bean
    public HibernateExceptionTranslator hibernateExceptionTranslator() {
        return new HibernateExceptionTranslator();
    }

    @Bean
    public DataSource dataSource() {
        return new EmbeddedDatabaseBuilder()
                .setType(EmbeddedDatabaseType.HSQL)
                .addScript("classpath:schema.sql")
                .build();
    }

    @Bean
    public static PropertySourcesPlaceholderConfigurer propertyPlaceholderConfigurer() {
        PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer = new PropertySourcesPlaceholderConfigurer();
        propertySourcesPlaceholderConfigurer.setLocalOverride(true);
        return propertySourcesPlaceholderConfigurer;
    }

    @Bean
    public ServiceLocatorFactoryBean vocabularyLoaderFactoryServiceLocatorFactoryBean() {
        ServiceLocatorFactoryBean bean = new ServiceLocatorFactoryBean();
        bean.setServiceLocatorInterface(VocabularyLoaderFactory.class);
        return bean;
    }

    @Bean
    public VocabularyLoaderFactory vocabularyLoaderFactory() {
        return (VocabularyLoaderFactory) vocabularyLoaderFactoryServiceLocatorFactoryBean().getObject();
    }

    @Bean
    public ServiceLocatorFactoryBean vocabularyValidatorFactoryServiceLocatorFactoryBean() {
        ServiceLocatorFactoryBean bean = new ServiceLocatorFactoryBean();
        bean.setServiceLocatorInterface(NodeValidatorFactory.class);
        return bean;
    }

    @Bean
    public NodeValidatorFactory vocabularyValidatorFactory() {
        return (NodeValidatorFactory) vocabularyValidatorFactoryServiceLocatorFactoryBean().getObject();
    }

    @Autowired
    @Bean
    VocabularyLoadRunner vocabularyLoadRunner(final Environment environment, final VocabularyLoaderFactory vocabularyLoaderFactory, final DataSource dataSource){
        VocabularyLoadRunner vocabularyLoadRunner = null;
        String localCodeRepositoryDir = environment.getProperty("vocabulary.localCodeRepositoryDir");
        String localValueSetRepositoryDir = environment.getProperty("vocabulary.localValueSetRepositoryDir");
        vocabularyLoadRunner = new VocabularyLoadRunner();
        System.out.println("LOADING VOCABULARY DATABASES FROM THE FOLLOWING RESOURCES: VALUESETS - " + localValueSetRepositoryDir + " CODES - " + localCodeRepositoryDir);
        vocabularyLoadRunner.setCodeDirectory(localCodeRepositoryDir);
        vocabularyLoadRunner.setValueSetDirectory(localValueSetRepositoryDir);
        vocabularyLoadRunner.setDataSource(dataSource);
        vocabularyLoadRunner.setVocabularyLoaderFactory(vocabularyLoaderFactory);
        return vocabularyLoadRunner;
    }

    @Bean
    public static List<ConfiguredExpression> vocabularyValidationConfigurations(ValidationConfigurationLoader configurationLoader){
        return configurationLoader.getConfigurations().getExpressions();
    }

    @Bean
    public DocumentBuilder documentBuilder() throws ParserConfigurationException {
        DocumentBuilderFactory domFactory =  DocumentBuilderFactory.newInstance("com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl", ClassLoader.getSystemClassLoader());
        domFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");
        domFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_SCHEMA, "");
        domFactory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
        domFactory.setFeature("http://xml.org/sax/features/external-general-entities", false);
        domFactory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
        domFactory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
        domFactory.setXIncludeAware(false);
        domFactory.setExpandEntityReferences(false);
        domFactory.setNamespaceAware(true);
        return domFactory.newDocumentBuilder();
    }

    @Bean
    public XPathFactory xPathFactory(){
        return XPathFactory.newInstance();
    }

    @Autowired
    @Bean
    public ValidationConfigurationLoader validationConfigurationLoader(final Environment environment){
        ValidationConfigurationLoader validationConfigurationLoader = new ValidationConfigurationLoader();
        validationConfigurationLoader.setValidationConfigurationFilePath(environment.getProperty("referenceccda.configFile"));
        validationConfigurationLoader.setUnmarshaller(castorMarshaller());
        return validationConfigurationLoader;
    }

    @Bean
    public static Jaxb2Marshaller castorMarshaller() {
        Jaxb2Marshaller jaxb2Marshaller = new Jaxb2Marshaller();
        jaxb2Marshaller.setPackagesToScan("org.sitenv.vocabularies.configuration");
        Map<String,Object> map = new HashMap<>();
        map.put("jaxb.formatted.output", true);
        jaxb2Marshaller.setMarshallerProperties(map);
        return jaxb2Marshaller;
    }

    @Bean
    public static GlobalCodeValidatorResults globalCodeValidatorResults() {
    	return new GlobalCodeValidatorResults();
    }
}

Output:
【漏洞类型】XML 外部实体 (XXE) 漏洞
【严重性】High
【漏洞摘要】XXE 漏洞允许攻击者通过 XML 输入注入恶意的外部实体，从而可能导致拒绝服务 (DoS) 攻击、信息泄露或执行任意代码的风险。在原始代码中，`DocumentBuilderFactory.newInstance()` 方法创建了一个 `DocumentBuilderFactory` 实例，但未禁用外部实体处理。具体来说，`documentBuilder()` 方法中未设置 `domFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");` 和 `domFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_SCHEMA, "");`，也没有禁用其他与外部实体处理相关的特性。
【关键代码模式】`DocumentBuilderFactory.newInstance()`、`domFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");`、`domFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_SCHEMA, "");`、`domFactory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true)`、`domFactory.setFeature("http://xml.org/sax/features/external-general-entities", false)`、`domFactory.setFeature("http://xml.org/sax/features/external-parameter-entities", false)`、`domFactory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false)`、`domFactory.setXIncludeAware(false)`、`domFactory.setExpandEntityReferences(false)`。
【修复方法说明】修复方法通过指定 `DocumentBuilderFactory` 的实现类并禁用外部实体处理特性来解决问题。具体来说，`documentBuilder()` 方法中添加了 `domFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");` 和 `domFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_SCHEMA, "");`，以及禁用了其他与外部实体处理相关的特性。这遵循了 OWASP 的最佳实践，即在解析 XML 时禁用外部实体处理，以防止 XXE 攻击。


Instruction:
作为 Java 安全专家，检测此代码中的安全漏洞：
## 内容1
### 文件路径：
src/main/java/org/owasp/validator/html/scan/AntiSamyDOMScanner.java
### 代码内容：
package org.owasp.validator.html.scan;

import org.apache.batik.css.parser.ParseException;
import org.apache.xerces.dom.DocumentImpl;
import net.sourceforge.htmlunit.cyberneko.parsers.DOMFragmentParser;
import org.owasp.validator.css.CssScanner;
import org.owasp.validator.html.CleanResults;
import org.owasp.validator.html.Policy;
import org.owasp.validator.html.PolicyException;
import org.owasp.validator.html.ScanException;
import org.owasp.validator.html.model.Attribute;
import org.owasp.validator.html.model.Tag;
import org.owasp.validator.html.util.ErrorMessageUtil;
import org.owasp.validator.html.util.HTMLEntityEncoder;
import org.w3c.dom.Comment;
import org.w3c.dom.DOMException;
import org.w3c.dom.Document;
import org.w3c.dom.DocumentFragment;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.ProcessingInstruction;
import org.w3c.dom.Text;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;

import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.List;
import java.util.Queue;
import java.util.concurrent.Callable;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * This is where the magic lives. All the scanning/filtration logic resides
 * here, but it should not be called directly. All scanning should be done
 * through an AntiSamy.scan() method.
 *
 * @author Arshan Dabirsiaghi
 */
public class AntiSamyDOMScanner extends AbstractAntiSamyScanner {
    private Document document = new DocumentImpl();
    private DocumentFragment dom = document.createDocumentFragment();
    private CleanResults results = null;
    private static final int maxDepth = 250;
    private static final Pattern invalidXmlCharacters =
            Pattern.compile("[\\u0000-\\u001F\\uD800-\\uDFFF\\uFFFE-\\uFFFF&&[^\\u0009\\u000A\\u000D]]");
    private static final Pattern conditionalDirectives = Pattern.compile("<?!?\\[\\s*(?:end)?if[^]]*\\]>?");

    private static final Queue<CachedItem> cachedItems = new ConcurrentLinkedQueue<CachedItem>();

    static class CachedItem {
        private final DOMFragmentParser parser;
        private final Matcher invalidXmlCharMatcher = invalidXmlCharacters.matcher("");

        CachedItem() throws SAXNotSupportedException, SAXNotRecognizedException {
            this.parser = getDomParser();
        }

        DOMFragmentParser getDomFragmentParser()  {
            return parser;
        }
    }

    public AntiSamyDOMScanner(Policy policy) {
        super(policy);
    }

    /* UnusedDeclaration TODO Investigate */
    public AntiSamyDOMScanner() throws PolicyException {
        super();
    }

    /**
     * This is where the magic lives.
     *
     * @param html A String whose contents we want to scan.
     * @return A CleanResults object with an
     *         XMLDocumentFragment object and its String
     *         representation, as well as some scan statistics.
     * @throws ScanException When there is a problem encountered
	 *         while scanning the HTML.
	 */
    @Override
    public CleanResults scan(String html) throws ScanException {

        if (html == null) {
            throw new ScanException(new NullPointerException("Null html input"));
        }

        errorMessages.clear();
        int maxInputSize = policy.getMaxInputSize();

        if (maxInputSize < html.length()) {
            addError(ErrorMessageUtil.ERROR_INPUT_SIZE, new Object[]{html.length(), maxInputSize});
            throw new ScanException(errorMessages.get(0));
        }

        isNofollowAnchors = policy.isNofollowAnchors();
        isNoopenerAndNoreferrerAnchors = policy.isNoopenerAndNoreferrerAnchors();
        isValidateParamAsEmbed = policy.isValidateParamAsEmbed();

        long startOfScan = System.currentTimeMillis();

        try {

            CachedItem cachedItem;
            cachedItem = cachedItems.poll();
            if (cachedItem == null){
                cachedItem = new CachedItem();
            }

            /*
             * We have to replace any invalid XML characters to prevent NekoHTML
             * from breaking when it gets passed encodings like %21.
             */

            html = stripNonValidXMLCharacters(html, cachedItem.invalidXmlCharMatcher);

            /*
             * First thing we do is call the HTML cleaner ("NekoHTML") on it
             * with the appropriate options. We choose not to omit tags due to
             * the fallibility of our own listing in the ever changing world of
             * W3C.
             */

            DOMFragmentParser parser = cachedItem.getDomFragmentParser();

            try {
                parser.parse(new InputSource(new StringReader(html)), dom);
            } catch (Exception e) {
                throw new ScanException(e);
            }

            processChildren(dom, 0);

            /*
             * Serialize the output and then return the resulting DOM object and
             * its string representation.
             */

            final String trimmedHtml = html;

            StringWriter out = new StringWriter();

            @SuppressWarnings("deprecation")
            org.apache.xml.serialize.OutputFormat format = getOutputFormat();

            //noinspection deprecation
            org.apache.xml.serialize.HTMLSerializer serializer = getHTMLSerializer(out, format);
            serializer.serialize(dom);

            /*
             * Get the String out of the StringWriter and rip out the XML
             * declaration if the Policy says we should.
             */
            final String trimmed = trim( trimmedHtml, out.getBuffer().toString() );

            Callable<String> cleanHtml = new Callable<String>() {
                public String call() throws Exception {
                    return trimmed;
                }
            };

            /*
             * Return the DOM object as well as string HTML.
             */
            results = new CleanResults(startOfScan, cleanHtml, dom, errorMessages);

            cachedItems.add( cachedItem);
            return results;

        } catch (SAXException | IOException e) {
            throw new ScanException(e);
        }

    }

    static DOMFragmentParser getDomParser()
            throws SAXNotRecognizedException, SAXNotSupportedException {
        DOMFragmentParser parser = new DOMFragmentParser();
        parser.setProperty("http://cyberneko.org/html/properties/names/elems", "lower");

        parser.setFeature("http://cyberneko.org/html/features/scanner/style/strip-cdata-delims", false);
        parser.setFeature("http://cyberneko.org/html/features/scanner/cdata-sections", true);

        try {
            parser.setFeature("http://cyberneko.org/html/features/enforce-strict-attribute-names", true);
        } catch (SAXNotRecognizedException se) {
            // this indicates that the patched nekohtml is not on the
            // classpath
        }
        return parser;
    }

    /**
     * The workhorse of the scanner. Recursively scans document elements
     * according to the policy. This should be called implicitly through the
     * AntiSamy.scan() method.
     *
     * @param node The node to validate.
     */
    private void recursiveValidateTag(final Node node, int currentStackDepth) throws ScanException {

        currentStackDepth++;

        if(currentStackDepth > maxDepth) {
            throw new ScanException("Too many nested tags");
        }

        if (node instanceof Comment) {
            processCommentNode(node);
            return;
        }

        boolean isElement = node instanceof Element;
        NodeList eleChildNodes = node.getChildNodes();
        if (isElement && eleChildNodes.getLength() == 0) {
            if (removeDisallowedEmpty(node)){
                return;
            }
        }

        if (node instanceof Text && Node.CDATA_SECTION_NODE == node.getNodeType()) {
            stripCData(node);
            return;
        }

        if (node instanceof ProcessingInstruction) {
            removePI(node);
        }

        if (!isElement) {
            return;
        }

        final Element ele = (Element) node;
        final Node parentNode = ele.getParentNode();

        final String tagName = ele.getNodeName();
        final String tagNameLowerCase = tagName.toLowerCase();
        Tag tagRule = policy.getTagByLowercaseName(tagNameLowerCase);

        /*
         * If <param> and no policy and isValidateParamAsEmbed and policy in
         * place for <embed> and <embed> policy is to validate, use custom
         * policy to get the tag through to the validator.
         */
        Tag embedTag = policy.getEmbedTag();
        boolean masqueradingParam = isMasqueradingParam(tagRule, embedTag, tagNameLowerCase);
        if (masqueradingParam){
            tagRule = Constants.BASIC_PARAM_TAG_RULE;
        }

        if ((tagRule == null && policy.isEncodeUnknownTag()) || (tagRule != null && tagRule.isAction( "encode"))) {
            encodeTag(currentStackDepth, ele, tagName, eleChildNodes);
        } else if (tagRule == null || tagRule.isAction( Policy.ACTION_FILTER)) {
            actionFilter(currentStackDepth, ele, tagName, tagRule, eleChildNodes);
        } else if (tagRule.isAction( Policy.ACTION_VALIDATE)) {
            actionValidate(currentStackDepth, ele, parentNode, tagName, tagNameLowerCase, tagRule, masqueradingParam, embedTag, eleChildNodes);
        } else if (tagRule.isAction( Policy.ACTION_TRUNCATE)) {
            actionTruncate(ele, tagName, eleChildNodes);
        } else {
            /*
             * If we reached this that means that the tag's action is "remove",
             * which means to remove the tag (including its contents).
             */
            addError(ErrorMessageUtil.ERROR_TAG_DISALLOWED, new Object[]{HTMLEntityEncoder.htmlEntityEncode(tagName)});
            removeNode(ele);
        }
    }

    private boolean isMasqueradingParam(Tag tagRule, Tag embedTag, String tagNameLowerCase){
        if (tagRule == null && isValidateParamAsEmbed && "param".equals(tagNameLowerCase)) {
            return embedTag != null && embedTag.isAction(Policy.ACTION_VALIDATE);
        }
        return false;
    }

    private void encodeTag(int currentStackDepth, Element ele, String tagName, NodeList eleChildNodes) throws ScanException {
        addError(ErrorMessageUtil.ERROR_TAG_ENCODED, new Object[]{HTMLEntityEncoder.htmlEntityEncode(tagName)});
        processChildren(eleChildNodes, currentStackDepth);

   /*
    * Transform the tag to text, HTML-encode it and promote the
    * children. The tag will be kept in the fragment as one or two text
    * Nodes located before and after the children; representing how the
    * tag used to wrap them.
    */

        encodeAndPromoteChildren(ele);
    }

    private void actionFilter(int currentStackDepth, Element ele, String tagName, Tag tag, NodeList eleChildNodes) throws ScanException {
        if (tag == null) {
            addError(ErrorMessageUtil.ERROR_TAG_NOT_IN_POLICY, new Object[]{HTMLEntityEncoder.htmlEntityEncode(tagName)});
        } else {
            addError(ErrorMessageUtil.ERROR_TAG_FILTERED, new Object[]{HTMLEntityEncoder.htmlEntityEncode(tagName)});
        }

        processChildren(eleChildNodes, currentStackDepth);
        promoteChildren(ele);
    }

    private void actionValidate(int currentStackDepth, Element ele, Node parentNode, String tagName, String tagNameLowerCase, Tag tag, boolean masqueradingParam, Tag embedTag, NodeList eleChildNodes) throws ScanException {
   /*
    * If doing <param> as <embed>, now is the time to convert it.
    */
        String nameValue = null;
        if (masqueradingParam) {
            nameValue = ele.getAttribute("name");
            if (nameValue != null && !"".equals(nameValue)) {
                String valueValue = ele.getAttribute("value");
                ele.setAttribute(nameValue, valueValue);
                ele.removeAttribute("name");
                ele.removeAttribute("value");
                tag = embedTag;
            }
        }

   /*
    * Check to see if it's a

Output:
【漏洞类型】DOM遍历和操作不当
【严重性】Medium
【漏洞摘要】在处理`<style>`标签子节点时，代码通过从前往后遍历子节点列表并删除它们来清理CSS内容。这种迭代方式在删除子节点后会导致列表长度变化，从而可能跳过某些应被删除的节点。这可能导致部分未清理的CSS内容保留在最终的HTML输出中，进而可能被恶意用户利用。
【关键代码模式】`processStyleTag`函数中的`for`循环用于删除子节点，但循环方向是从前往后。

```java
// 原始代码
for (int i = 1; i < ele.getChildNodes().getLength(); i++) {
    Node childNode = ele.getChildNodes().item(i);
    ele.removeChild(childNode);
}
```

【修复方法说明】修复方法将循环方向改为从后往前，以确保在删除子节点时不会跳过任何节点。

```java
// 修复后的代码
for (int i = childNodesCount - 1; i >= 1; i--) {
    Node childNode = ele.getChildNodes().item(i);
    ele.removeChild(childNode);
}
```

**最佳实践或安全编码技术**：
- 在遍历和修改节点列表时，应从后往前遍历，以避免在删除节点后导致的索引偏移问题。
- 在处理HTML和CSS时，确保所有子节点都被正确清理和验证，以防止潜在的安全风险。