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XMLPermissionControl.java
Package: jforum-2.1.8-src.zip [view]
Upload User: gdxydsw
Upload Date: 2019-01-29
Package Size: 16721k
Code Size: 8k
Category:
Java Develop
Development Platform:
Java
- /*
- * Copyright (c) JForum Team
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms,
- * with or without modification, are permitted provided
- * that the following conditions are met:
- *
- * 1) Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the
- * following disclaimer.
- * 2) Redistributions in binary form must reproduce the
- * above copyright notice, this list of conditions and
- * the following disclaimer in the documentation and/or
- * other materials provided with the distribution.
- * 3) Neither the name of "Rafael Steil" nor
- * the names of its contributors may be used to endorse
- * or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
- * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
- * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
- * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
- *
- * This file creation date: 21/09/2003 / 16:36:44
- * The JForum Project
- * http://www.jforum.net
- */
- package net.jforum.security;
- import java.io.File;
- import java.sql.PreparedStatement;
- import java.sql.ResultSet;
- import java.util.ArrayList;
- import java.util.HashMap;
- import java.util.Iterator;
- import java.util.List;
- import java.util.Map;
- import javax.xml.parsers.SAXParser;
- import javax.xml.parsers.SAXParserFactory;
- import net.jforum.JForumExecutionContext;
- import net.jforum.exceptions.DatabaseException;
- import net.jforum.exceptions.ForumException;
- import net.jforum.util.DbUtils;
- import net.jforum.util.FormSelectedData;
- import net.jforum.util.I18n;
- import net.jforum.util.preferences.SystemGlobals;
- import org.xml.sax.Attributes;
- import org.xml.sax.InputSource;
- import org.xml.sax.SAXException;
- import org.xml.sax.SAXParseException;
- import org.xml.sax.helpers.DefaultHandler;
- /**
- * Manipulates XML permission control file definition
- *
- * @author Rafael Steil
- * @version $Id: XMLPermissionControl.java,v 1.18 2007/09/21 03:47:41 rafaelsteil Exp $
- */
- public class XMLPermissionControl extends DefaultHandler
- {
- private PermissionSection section;
- private PermissionControl pc;
- private List listSections;
- private List permissionData;
- private Map queries;
- private String permissionName;
- private String permissionId;
- private String permissionType;
- private boolean alreadySelected;
- private static class SelectData
- {
- private int id;
- private String name;
- public SelectData(int id, String name)
- {
- this.id = id;
- this.name = name;
- }
- public int getId()
- {
- return this.id;
- }
- public String getName()
- {
- return this.name;
- }
- }
- public XMLPermissionControl(PermissionControl pc)
- {
- this.listSections = new ArrayList();
- this.permissionData = new ArrayList();
- this.queries = new HashMap();
- this.pc = pc;
- }
- /**
- * @return <code>List</code> object containing <code>Section</code> objects. Each
- * <code>Section</code> contains many <code>PermissionItem</code> objects,
- * which represent the permission elements of some section. For its turn, the
- * <code>PermissionItem</code> objects have many <code>FormSelectedData</code>
- * objects, which are the ones responsible to store field values, and which values
- * are checked and which not.
- * @param xmlFile String
- */
- public List loadConfigurations(String xmlFile)
- {
- try
- {
- SAXParserFactory factory = SAXParserFactory.newInstance();
- factory.setValidating(false);
- SAXParser parser = factory.newSAXParser();
- File fileInput = new File(xmlFile);
- if (fileInput.exists()) {
- parser.parse(fileInput, this);
- }
- else {
- InputSource inputSource = new InputSource(xmlFile);
- parser.parse(inputSource, this);
- }
- return this.listSections;
- }
- catch (Exception e)
- {
- throw new ForumException(e);
- }
- }
- /**
- * @see org.xml.sax.ContentHandler#endElement(String, String, String)
- */
- public void endElement(String namespaceURI, String localName, String tag)
- throws SAXException
- {
- if (tag.equals("section")) {
- this.listSections.add(this.section);
- }
- else if (tag.equals("permission")) {
- this.section.addPermission(new PermissionItem(this.permissionName, this.permissionId, this.permissionType, this.permissionData));
- this.permissionData = new ArrayList();
- }
- }
- /**
- * @see org.xml.sax.ErrorHandler#error(SAXParseException)
- */
- public void error(SAXParseException exception) throws SAXException
- {
- throw exception;
- }
- /**
- * @see org.xml.sax.ContentHandler#startElement(String, String, String, Attributes)
- */
- public void startElement(
- String namespaceURI,
- String localName,
- String tag,
- Attributes atts)
- throws SAXException
- {
- if (tag.equals("section")) {
- String title = I18n.getMessage(atts.getValue("title"));
- this.section = new PermissionSection(title, atts.getValue("id"));
- }
- else if (tag.equals("permission")) {
- String title = I18n.getMessage(atts.getValue("title"));
- this.permissionName = title;
- this.permissionId = atts.getValue("id");
- this.permissionType = atts.getValue("type");
- this.alreadySelected = false;
- }
- else if (tag.equals("sql")) {
- String refName = atts.getValue("refName");
- // If refName is present, then we have a template query
- if (refName != null) {
- ResultSet rs = null;
- PreparedStatement p = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql(atts.getValue("queryName")));
- rs = p.executeQuery();
- String valueField = atts.getValue("valueField");
- String captionField = atts.getValue("captionField");
- List l = new ArrayList();
- while (rs.next()) {
- l.add(new SelectData(rs.getInt(valueField), rs.getString(captionField)));
- }
- this.queries.put(refName, l);
- }
- catch (Exception e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- else {
- // If it gets here, then it should be a <sql ref="xxxx"> section
- RoleValueCollection roleValues = new RoleValueCollection();
- Role role = this.pc.getRole(this.permissionId);
- if (role != null) {
- roleValues = role.getValues();
- }
- List l = (List)this.queries.get(atts.getValue("ref"));
- for (Iterator iter = l.iterator(); iter.hasNext(); ) {
- SelectData data = (SelectData)iter.next();
- String id = Integer.toString(data.getId());
- RoleValue rv = roleValues.get(id);
- this.permissionData.add(new FormSelectedData(data.getName(), id, rv == null));
- }
- }
- }
- else if (tag.equals("option")) {
- boolean selected = false;
- if (this.permissionType.equals("single")) {
- if (this.pc.canAccess(this.permissionId) && atts.getValue("value").equals("allow") && !this.alreadySelected) {
- selected = true;
- this.alreadySelected = true;
- }
- }
- else {
- throw new UnsupportedOperationException("'option' tag with 'multiple' attribute support not yet implemented");
- }
- this.permissionData.add(new FormSelectedData(
- I18n.getMessage(atts.getValue("description")), atts.getValue("value"), selected));
- }
- }
- }