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/**
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* '$RCSfile$'
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* Purpose: A Class that loads eml-access.xml file containing ACL
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* for a metadata document into relational DB
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* Copyright: 2000 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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* Authors: Jivka Bojilova
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* Release: @release@
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*
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* '$Author$'
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* '$Date$'
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* '$Revision$'
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669
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jones
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacat;
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import java.io.*;
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import java.sql.*;
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import java.util.Stack;
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import java.util.Vector;
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import java.util.Hashtable;
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import java.net.URL;
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import java.net.MalformedURLException;
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555
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import org.xml.sax.Attributes;
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import org.xml.sax.InputSource;
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import org.xml.sax.ContentHandler;
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import org.xml.sax.EntityResolver;
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import org.xml.sax.ErrorHandler;
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import org.xml.sax.SAXException;
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import org.xml.sax.SAXParseException;
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import org.xml.sax.XMLReader;
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import org.xml.sax.helpers.XMLReaderFactory;
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import org.xml.sax.helpers.DefaultHandler;
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/**
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* A Class that loads eml-access.xml file containing ACL for a metadata
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* document into relational DB. It extends DefaultHandler class to handle
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* SAX parsing events when processing the XML stream.
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*/
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public class AccessControlList extends DefaultHandler {
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private static final int CHMOD = 1;
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private static final int WRITE = 2;
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private static final int READ = 4;
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private static final int ALL = 7;
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private static String sysdate = MetaCatUtil.dbAdapter.getDateTimeFunction();
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private static String isnull = MetaCatUtil.dbAdapter.getIsNULLFunction();
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private Connection conn;
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private String parserName;
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private Stack elementStack;
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private String server;
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private String sep;
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private boolean processingDTD;
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private String user;
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private String[] groups;
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private String aclid;
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private int rev;
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private String docname;
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private String doctype;
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private String systemid;
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private String docurl;
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private Vector resourceURL;
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private Vector resourceID;
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private Vector principal;
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private int permission;
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private String permType;
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private String permOrder;
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// private String publicAcc;
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private String beginTime;
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private String endTime;
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private int ticketCount;
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private int serverCode = 1;
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private Vector aclObjects = new Vector();
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private boolean instarttag = true;
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private String tagName = "";
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/**
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* Construct an instance of the AccessControlList class.
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* It is used by the permission check up from DBQuery or DocumentImpl
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* and from "getaccesscontrol" action
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*
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* @param conn the JDBC connection where acl info is get
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*/
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public AccessControlList(Connection conn) throws SQLException
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{
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this.conn = conn;
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}
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/**
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* Construct an instance of the AccessControlList class.
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* It parse acl file and loads acl data into db connection.
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*
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* @param conn the JDBC connection where acl data are loaded
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* @param aclid the Accession# of the document with the acl data
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* @param acl the acl file containing acl data
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* @param user the user connected to MetaCat servlet and owns the document
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* @param groups the groups to which user belongs
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* @param serverCode the serverid from xml_replication on which this document
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* resides.
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*/
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public AccessControlList(Connection conn, String aclid, //Reader acl,
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String user, String[] groups, int serverCode)
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throws SAXException, IOException, McdbException
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{
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String parserName = MetaCatUtil.getOption("saxparser");
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this.server = MetaCatUtil.getOption("server");
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this.sep = MetaCatUtil.getOption("accNumSeparator");
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this.conn = conn;
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this.parserName = parserName;
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this.processingDTD = false;
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this.elementStack = new Stack();
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this.user = user;
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this.groups = groups;
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this.aclid = aclid;
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this.resourceURL = new Vector();
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this.resourceID = new Vector();
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this.principal = new Vector();
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this.permission = 0;
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this.ticketCount = 0;
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// this.publicAcc = null;
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this.serverCode = serverCode;
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// read the access file from db connection
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DocumentImpl acldoc = new DocumentImpl(conn, aclid);
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String acl = acldoc.toString();
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this.rev = acldoc.getRev();
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// Initialize the parse
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XMLReader parser = initializeParser();
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// parse the access file and write the info to xml_access
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parser.parse(new InputSource(new StringReader(acl)));
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}
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819
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bojilova
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// NOT USED
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// /**
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// * Construct an instance of the AccessControlList class.
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// * It parses eml-access file and loads acl data into db connection.
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// * It is used from command line execution.
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// *
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// * @param conn the JDBC connection where acl data are loaded
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// * @param docid the Accession# of the document with the acl data
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// * @param aclfilename the name of acl file containing acl data
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// * @param user the user connected to MetaCat servlet and owns the document
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// * @param groups the groups to which user belongs
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// */
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// public AccessControlList( Connection conn, String aclid, String aclfilename,
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// String user, String[] groups )
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// throws SAXException, IOException, McdbException
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// {
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// this(conn, aclid, new FileReader(new File(aclfilename).toString()),
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// user, groups, 1);
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// }
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638
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bojilova
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660
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bojilova
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/* Set up the SAX parser for reading the XML serialized ACL */
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555
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private XMLReader initializeParser() throws SAXException
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{
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XMLReader parser = null;
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// Get an instance of the parser
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parser = XMLReaderFactory.createXMLReader(parserName);
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598
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// Turn off validation
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parser.setFeature("http://xml.org/sax/features/validation", true);
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// Set Handlers in the parser
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555
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// Set the ContentHandler to this instance
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598
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parser.setContentHandler((ContentHandler)this);
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598
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bojilova
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// make a DBEntityResolver instance
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// Set the EntityReslover to DBEntityResolver instance
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EntityResolver eresolver = new DBEntityResolver(conn,this,null);
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193 |
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parser.setEntityResolver((EntityResolver)eresolver);
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195 |
555
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bojilova
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// Set the ErrorHandler to this instance
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196 |
598
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bojilova
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parser.setErrorHandler((ErrorHandler)this);
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197 |
555
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bojilova
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198 |
862
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return parser;
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199 |
555
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}
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200 |
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201 |
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/**
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202 |
688
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bojilova
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* Callback method used by the SAX Parser when beginning of the document
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203 |
645
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bojilova
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*/
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204 |
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public void startDocument() throws SAXException
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205 |
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{
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206 |
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//delete all previously submitted permissions @ relations
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207 |
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//this happens only on UPDATE of the access file
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208 |
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try {
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209 |
819
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bojilova
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this.aclObjects = getACLObjects(aclid);
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210 |
802
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bojilova
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211 |
819
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bojilova
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//delete all permissions for resources related to @aclid if any
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212 |
645
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bojilova
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if ( aclid != null ) {
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213 |
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deletePermissionsForRelatedResources(aclid);
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214 |
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}
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215 |
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} catch (SQLException sqle) {
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216 |
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throw new SAXException(sqle);
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217 |
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}
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218 |
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}
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219 |
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220 |
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/**
|
221 |
688
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bojilova
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* Callback method used by the SAX Parser when the start tag of an
|
222 |
555
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bojilova
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* element is detected. Used in this context to parse and store
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223 |
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* the acl information in class variables.
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224 |
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*/
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225 |
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public void startElement (String uri, String localName,
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226 |
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String qName, Attributes atts)
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227 |
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throws SAXException
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228 |
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{
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229 |
859
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berkley
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instarttag = true;
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230 |
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if(localName.equals("allow"))
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231 |
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{
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232 |
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tagName = "allow";
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233 |
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}
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234 |
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else if(localName.equals("deny"))
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235 |
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{
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236 |
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tagName = "deny";
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237 |
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}
|
238 |
555
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bojilova
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BasicNode currentNode = new BasicNode(localName);
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239 |
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if (atts != null) {
|
240 |
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int len = atts.getLength();
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241 |
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for (int i = 0; i < len; i++) {
|
242 |
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currentNode.setAttribute(atts.getLocalName(i), atts.getValue(i));
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243 |
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}
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244 |
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}
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245 |
802
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bojilova
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if ( currentNode.getTagName().equals("acl") ) {
|
246 |
570
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bojilova
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permOrder = currentNode.getAttribute("order");
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247 |
802
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bojilova
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// publicAcc = currentNode.getAttribute("public");
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248 |
570
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bojilova
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}
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249 |
555
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elementStack.push(currentNode);
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250 |
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}
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251 |
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252 |
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/**
|
253 |
688
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bojilova
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* Callback method used by the SAX Parser when the text sequences of an
|
254 |
555
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bojilova
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* xml stream are detected. Used in this context to parse and store
|
255 |
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* the acl information in class variables.
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256 |
859
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berkley
|
*/
|
257 |
555
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bojilova
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public void characters(char ch[], int start, int length)
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258 |
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throws SAXException
|
259 |
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{
|
260 |
859
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berkley
|
if(!instarttag)
|
261 |
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{
|
262 |
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return;
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263 |
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}
|
264 |
555
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bojilova
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String inputString = new String(ch, start, length);
|
265 |
859
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berkley
|
inputString = inputString.trim();
|
266 |
862
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//System.out.println("==============inputString: " + inputString);
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267 |
555
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bojilova
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BasicNode currentNode = (BasicNode)elementStack.peek();
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268 |
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String currentTag = currentNode.getTagName();
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269 |
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270 |
802
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bojilova
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if (currentTag.equals("principal")) {
|
271 |
645
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272 |
802
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bojilova
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principal.addElement(inputString);
|
273 |
645
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bojilova
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274 |
802
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bojilova
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} else if (currentTag.equals("permission")) {
|
275 |
645
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bojilova
|
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276 |
802
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bojilova
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if ( inputString.trim().toUpperCase().equals("READ") ) {
|
277 |
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permission = permission | READ;
|
278 |
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} else if ( inputString.trim().toUpperCase().equals("WRITE") ) {
|
279 |
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permission = permission | WRITE;
|
280 |
862
|
berkley
|
} else if ( inputString.trim().toUpperCase().equals("CHANGEPERMISSION") ) {
|
281 |
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permission = permission | CHMOD;
|
282 |
802
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bojilova
|
} else if ( inputString.trim().toUpperCase().equals("ALL") ) {
|
283 |
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permission = permission | ALL;
|
284 |
862
|
berkley
|
}/*else{
|
285 |
802
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bojilova
|
throw new SAXException("Unknown permission type: " + inputString);
|
286 |
859
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|
}*/
|
287 |
645
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|
288 |
802
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} else if ( currentTag.equals("startDate") && beginTime == null ) {
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289 |
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beginTime = inputString.trim();
|
290 |
645
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291 |
802
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} else if ( currentTag.equals("stopDate") && endTime == null) {
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292 |
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endTime = inputString.trim();
|
293 |
645
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bojilova
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|
294 |
802
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} else if (currentTag.equals("ticketCount") && ticketCount == 0 ) {
|
295 |
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try {
|
296 |
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ticketCount = (new Integer(inputString.trim())).intValue();
|
297 |
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} catch (NumberFormatException nfe) {
|
298 |
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throw new SAXException("Wrong integer format for:" + inputString);
|
299 |
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}
|
300 |
555
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}
|
301 |
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}
|
302 |
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|
303 |
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|
/**
|
304 |
688
|
bojilova
|
* Callback method used by the SAX Parser when the end tag of an
|
305 |
555
|
bojilova
|
* element is detected. Used in this context to parse and store
|
306 |
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|
* the acl information in class variables.
|
307 |
|
|
*/
|
308 |
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|
public void endElement (String uri, String localName, String qName)
|
309 |
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throws SAXException
|
310 |
|
|
{
|
311 |
859
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berkley
|
instarttag = false;
|
312 |
688
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bojilova
|
BasicNode leaving = (BasicNode)elementStack.pop();
|
313 |
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|
String leavingTagName = leaving.getTagName();
|
314 |
|
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|
315 |
802
|
bojilova
|
if ( leavingTagName.equals("allow") ||
|
316 |
|
|
leavingTagName.equals("deny") ) {
|
317 |
570
|
bojilova
|
|
318 |
|
|
if ( permission > 0 ) {
|
319 |
555
|
bojilova
|
|
320 |
570
|
bojilova
|
// insert into db calculated permission for the list of principals
|
321 |
|
|
try {
|
322 |
802
|
bojilova
|
// System.out.println("before insertPermission " +leavingTagName);
|
323 |
|
|
// go through the objects in xml_relation about this acl doc
|
324 |
|
|
for (int i=0; i < aclObjects.size(); i++) {
|
325 |
|
|
// docid of the current object
|
326 |
|
|
String docid = (String)aclObjects.elementAt(i);
|
327 |
|
|
DocumentIdentifier docID = new DocumentIdentifier(docid);
|
328 |
|
|
docid = docID.getIdentifier();
|
329 |
|
|
// System.out.println(docid);
|
330 |
|
|
insertPermissions(docid,leavingTagName);
|
331 |
|
|
}
|
332 |
|
|
|
333 |
570
|
bojilova
|
} catch (SQLException sqle) {
|
334 |
|
|
throw new SAXException(sqle);
|
335 |
802
|
bojilova
|
} catch (Exception e) {
|
336 |
|
|
throw new SAXException(e);
|
337 |
570
|
bojilova
|
}
|
338 |
|
|
}
|
339 |
|
|
|
340 |
688
|
bojilova
|
// reset the allow/deny permission
|
341 |
660
|
bojilova
|
principal = new Vector();
|
342 |
555
|
bojilova
|
permission = 0;
|
343 |
570
|
bojilova
|
beginTime = null;
|
344 |
|
|
endTime = null;
|
345 |
|
|
ticketCount = 0;
|
346 |
555
|
bojilova
|
|
347 |
570
|
bojilova
|
}
|
348 |
555
|
bojilova
|
|
349 |
|
|
}
|
350 |
598
|
bojilova
|
|
351 |
688
|
bojilova
|
/**
|
352 |
|
|
* SAX Handler that receives notification of DOCTYPE. Sets the DTD.
|
353 |
|
|
* @param name name of the DTD
|
354 |
|
|
* @param publicId Public Identifier of the DTD
|
355 |
|
|
* @param systemId System Identifier of the DTD
|
356 |
|
|
*/
|
357 |
598
|
bojilova
|
public void startDTD(String name, String publicId, String systemId)
|
358 |
|
|
throws SAXException {
|
359 |
|
|
docname = name;
|
360 |
|
|
doctype = publicId;
|
361 |
|
|
systemid = systemId;
|
362 |
|
|
}
|
363 |
|
|
|
364 |
|
|
/**
|
365 |
688
|
bojilova
|
* SAX Handler that receives notification of the start of entities.
|
366 |
|
|
* @param name name of the entity
|
367 |
598
|
bojilova
|
*/
|
368 |
|
|
public void startEntity(String name) throws SAXException {
|
369 |
|
|
if (name.equals("[dtd]")) {
|
370 |
|
|
processingDTD = true;
|
371 |
|
|
}
|
372 |
|
|
}
|
373 |
|
|
|
374 |
|
|
/**
|
375 |
688
|
bojilova
|
* SAX Handler that receives notification of the end of entities.
|
376 |
|
|
* @param name name of the entity
|
377 |
598
|
bojilova
|
*/
|
378 |
|
|
public void endEntity(String name) throws SAXException {
|
379 |
|
|
if (name.equals("[dtd]")) {
|
380 |
|
|
processingDTD = false;
|
381 |
|
|
}
|
382 |
|
|
}
|
383 |
|
|
|
384 |
|
|
/**
|
385 |
688
|
bojilova
|
* Get the document name.
|
386 |
598
|
bojilova
|
*/
|
387 |
|
|
public String getDocname() {
|
388 |
|
|
return docname;
|
389 |
|
|
}
|
390 |
|
|
|
391 |
|
|
/**
|
392 |
688
|
bojilova
|
* Get the document processing state.
|
393 |
598
|
bojilova
|
*/
|
394 |
|
|
public boolean processingDTD() {
|
395 |
|
|
return processingDTD;
|
396 |
|
|
}
|
397 |
|
|
|
398 |
802
|
bojilova
|
/* Get all objects associated with @aclid from db.*/
|
399 |
|
|
private Vector getACLObjects(String aclid)
|
400 |
638
|
bojilova
|
throws SQLException
|
401 |
|
|
{
|
402 |
802
|
bojilova
|
Vector aclObjects = new Vector();
|
403 |
645
|
bojilova
|
// delete all acl records for resources related to @aclid if any
|
404 |
802
|
bojilova
|
PreparedStatement pstmt = conn.prepareStatement(
|
405 |
|
|
"SELECT object FROM xml_relation " +
|
406 |
830
|
jones
|
"WHERE subject = ? ");
|
407 |
802
|
bojilova
|
pstmt.setString(1,aclid);
|
408 |
|
|
pstmt.execute();
|
409 |
|
|
ResultSet rs = pstmt.getResultSet();
|
410 |
|
|
boolean hasRows = rs.next();
|
411 |
|
|
while (hasRows) {
|
412 |
|
|
aclObjects.addElement(rs.getString(1));
|
413 |
|
|
hasRows = rs.next();
|
414 |
|
|
}
|
415 |
|
|
|
416 |
|
|
pstmt.close();
|
417 |
|
|
|
418 |
|
|
return aclObjects;
|
419 |
638
|
bojilova
|
}
|
420 |
|
|
|
421 |
802
|
bojilova
|
/* Delete from db all permission for resources related to @aclid if any.*/
|
422 |
|
|
private void deletePermissionsForRelatedResources(String aclid)
|
423 |
638
|
bojilova
|
throws SQLException
|
424 |
|
|
{
|
425 |
802
|
bojilova
|
// delete all acl records for resources related to @aclid if any
|
426 |
645
|
bojilova
|
Statement stmt = conn.createStatement();
|
427 |
802
|
bojilova
|
stmt.execute("DELETE FROM xml_access WHERE accessfileid = '" + aclid + "'");
|
428 |
645
|
bojilova
|
stmt.close();
|
429 |
|
|
}
|
430 |
|
|
|
431 |
688
|
bojilova
|
/* Insert into db calculated permission for the list of principals */
|
432 |
802
|
bojilova
|
private void insertPermissions(String docid, String permType )
|
433 |
555
|
bojilova
|
throws SQLException
|
434 |
|
|
{
|
435 |
672
|
bojilova
|
PreparedStatement pstmt;
|
436 |
638
|
bojilova
|
|
437 |
555
|
bojilova
|
try {
|
438 |
|
|
pstmt = conn.prepareStatement(
|
439 |
|
|
"INSERT INTO xml_access " +
|
440 |
645
|
bojilova
|
"(docid, principal_name, permission, perm_type, perm_order," +
|
441 |
|
|
"begin_time,end_time,ticket_count, accessfileid) VALUES " +
|
442 |
|
|
"(?,?,?,?,?,to_date(?,'mm/dd/yy'),to_date(?,'mm/dd/yy'),?,?)");
|
443 |
555
|
bojilova
|
// Bind the values to the query
|
444 |
802
|
bojilova
|
pstmt.setString(1, docid);
|
445 |
570
|
bojilova
|
pstmt.setInt(3, permission);
|
446 |
|
|
pstmt.setString(4, permType);
|
447 |
|
|
pstmt.setString(5, permOrder);
|
448 |
|
|
pstmt.setString(6, beginTime);
|
449 |
|
|
pstmt.setString(7, endTime);
|
450 |
645
|
bojilova
|
pstmt.setString(9, aclid);
|
451 |
570
|
bojilova
|
if ( ticketCount > 0 ) {
|
452 |
|
|
pstmt.setString(8, "" + ticketCount);
|
453 |
|
|
} else {
|
454 |
555
|
bojilova
|
pstmt.setString(8, "");
|
455 |
570
|
bojilova
|
}
|
456 |
802
|
bojilova
|
|
457 |
688
|
bojilova
|
String prName;
|
458 |
802
|
bojilova
|
for ( int j = 0; j < principal.size(); j++ ) {
|
459 |
|
|
prName = (String)principal.elementAt(j);
|
460 |
|
|
pstmt.setString(2, prName);
|
461 |
|
|
pstmt.execute();
|
462 |
|
|
/*
|
463 |
|
|
// check if there are conflict with permission's order
|
464 |
|
|
String permOrderOpos = permOrder;
|
465 |
|
|
int perm = getPermissions(permission, prName, docid, permOrder);
|
466 |
|
|
if ( perm != 0 ) {
|
467 |
|
|
if ( permOrder.equals("allowFirst") ) {
|
468 |
|
|
permOrderOpos = "denyFirst";
|
469 |
|
|
} else if ( permOrder.equals("denyFirst") ) {
|
470 |
|
|
permOrderOpos = "allowFirst";
|
471 |
688
|
bojilova
|
}
|
472 |
802
|
bojilova
|
throw new SQLException("Permission(s) " + txtValue(perm) +
|
473 |
|
|
" for \"" + prName + "\" on document #" + docid +
|
474 |
|
|
" has/have been used with \"" + permOrderOpos + "\"");
|
475 |
665
|
bojilova
|
}
|
476 |
802
|
bojilova
|
*/
|
477 |
570
|
bojilova
|
}
|
478 |
672
|
bojilova
|
pstmt.close();
|
479 |
555
|
bojilova
|
|
480 |
570
|
bojilova
|
} catch (SQLException e) {
|
481 |
|
|
throw new
|
482 |
|
|
SQLException("AccessControlList.insertPermissions(): " + e.getMessage());
|
483 |
672
|
bojilova
|
}
|
484 |
|
|
}
|
485 |
|
|
|
486 |
688
|
bojilova
|
/* Get permissions with permission order different than @permOrder. */
|
487 |
|
|
private int getPermissions(int permission, String principal,
|
488 |
|
|
String docid, String permOrder)
|
489 |
|
|
throws SQLException
|
490 |
|
|
{
|
491 |
|
|
PreparedStatement pstmt;
|
492 |
|
|
pstmt = conn.prepareStatement(
|
493 |
|
|
"SELECT permission FROM xml_access " +
|
494 |
765
|
bojilova
|
"WHERE docid = ? " +
|
495 |
|
|
"AND principal_name = ? " +
|
496 |
|
|
"AND perm_order NOT = ?");
|
497 |
688
|
bojilova
|
pstmt.setString(1, docid);
|
498 |
|
|
pstmt.setString(2, principal);
|
499 |
|
|
pstmt.setString(3, permOrder);
|
500 |
|
|
pstmt.execute();
|
501 |
|
|
ResultSet rs = pstmt.getResultSet();
|
502 |
|
|
boolean hasRow = rs.next();
|
503 |
|
|
int perm = 0;
|
504 |
|
|
while ( hasRow ) {
|
505 |
|
|
perm = rs.getInt(1);
|
506 |
|
|
perm = permission & perm;
|
507 |
|
|
if ( perm != 0 ) {
|
508 |
|
|
pstmt.close();
|
509 |
|
|
return perm;
|
510 |
|
|
}
|
511 |
|
|
hasRow = rs.next();
|
512 |
|
|
}
|
513 |
|
|
pstmt.close();
|
514 |
|
|
return 0;
|
515 |
|
|
}
|
516 |
|
|
|
517 |
|
|
/* Get the int value of READ, WRITE or ALL. */
|
518 |
|
|
private int intValue ( String permission )
|
519 |
|
|
{
|
520 |
|
|
if ( permission.equals("READ") ) {
|
521 |
|
|
return READ;
|
522 |
|
|
} else if ( permission.equals("WRITE") ) {
|
523 |
|
|
return WRITE;
|
524 |
|
|
} else if ( permission.equals("ALL") ) {
|
525 |
|
|
return ALL;
|
526 |
|
|
}
|
527 |
|
|
|
528 |
|
|
return -1;
|
529 |
|
|
}
|
530 |
|
|
|
531 |
|
|
/* Get the text value of READ, WRITE or ALL. */
|
532 |
|
|
private String txtValue ( int permission )
|
533 |
|
|
{
|
534 |
|
|
StringBuffer txtPerm = new StringBuffer("\"");
|
535 |
|
|
if ( (permission & READ) != 0 ) {
|
536 |
|
|
txtPerm.append("read");
|
537 |
|
|
}
|
538 |
|
|
if ( (permission & WRITE) != 0 ) {
|
539 |
|
|
if ( txtPerm.length() > 0 ) txtPerm.append(",");
|
540 |
|
|
txtPerm.append("write");
|
541 |
|
|
}
|
542 |
|
|
if ( (permission & ALL) != 0 ) {
|
543 |
|
|
if ( txtPerm.length() > 0 ) txtPerm.append(",");
|
544 |
|
|
txtPerm.append("all");
|
545 |
|
|
}
|
546 |
|
|
|
547 |
|
|
return txtPerm.append("\"").toString();
|
548 |
|
|
}
|
549 |
|
|
|
550 |
802
|
bojilova
|
/**
|
551 |
|
|
* Check from db connection if at least one of the list of @principals
|
552 |
|
|
* has @permission on @docid.
|
553 |
|
|
* @param permission permission type to check for
|
554 |
|
|
* @param principals list of names of principals to check for @permission
|
555 |
|
|
* @param docid document identifier to check on
|
556 |
|
|
*/
|
557 |
|
|
public boolean hasPermission(String permission, String user,
|
558 |
|
|
String[] groups, String docid )
|
559 |
|
|
throws SQLException
|
560 |
688
|
bojilova
|
{
|
561 |
802
|
bojilova
|
// b' of the command line invocation
|
562 |
|
|
if ( (user == null) && (groups == null || groups.length == 0) ) {
|
563 |
|
|
return true;
|
564 |
|
|
}
|
565 |
|
|
|
566 |
|
|
// Check for @permission on @docid for @user and/or @groups
|
567 |
|
|
boolean hasPermission = hasPermission(permission,user,docid);
|
568 |
|
|
int i = 0;
|
569 |
|
|
if ( groups != null ) {
|
570 |
|
|
while ( !hasPermission && i<groups.length ) {
|
571 |
|
|
hasPermission = hasPermission(permission,groups[i++],docid);
|
572 |
688
|
bojilova
|
}
|
573 |
|
|
}
|
574 |
802
|
bojilova
|
// Check for @permission for "public" user
|
575 |
|
|
if ( !hasPermission ) {
|
576 |
|
|
hasPermission = hasPermission(permission,"public",docid);
|
577 |
|
|
}
|
578 |
|
|
|
579 |
|
|
return hasPermission;
|
580 |
|
|
}
|
581 |
688
|
bojilova
|
|
582 |
|
|
/**
|
583 |
802
|
bojilova
|
* Check from db connection if @principal has @permission on @docid.
|
584 |
688
|
bojilova
|
* @param permission permission type to check for
|
585 |
|
|
* @param principal name of principal to check for @permission
|
586 |
802
|
bojilova
|
* @param docid document identifier to check on
|
587 |
688
|
bojilova
|
*/
|
588 |
802
|
bojilova
|
private boolean hasPermission(String permission,
|
589 |
|
|
String principal, String docid)
|
590 |
570
|
bojilova
|
throws SQLException
|
591 |
|
|
{
|
592 |
870
|
berkley
|
//System.out.println("Does " + principal + " have " + permission + " on " + docid);
|
593 |
570
|
bojilova
|
PreparedStatement pstmt;
|
594 |
802
|
bojilova
|
// check public access to @docid from xml_documents table
|
595 |
570
|
bojilova
|
if ( permission.equals("READ") ) {
|
596 |
|
|
try {
|
597 |
607
|
bojilova
|
pstmt = conn.prepareStatement(
|
598 |
570
|
bojilova
|
"SELECT 'x' FROM xml_documents " +
|
599 |
765
|
bojilova
|
"WHERE docid = ? AND public_access = 1");
|
600 |
570
|
bojilova
|
// Bind the values to the query
|
601 |
802
|
bojilova
|
pstmt.setString(1, docid);
|
602 |
570
|
bojilova
|
|
603 |
555
|
bojilova
|
pstmt.execute();
|
604 |
570
|
bojilova
|
ResultSet rs = pstmt.getResultSet();
|
605 |
|
|
boolean hasRow = rs.next();
|
606 |
|
|
pstmt.close();
|
607 |
|
|
if (hasRow) {
|
608 |
|
|
return true;
|
609 |
|
|
}
|
610 |
|
|
|
611 |
869
|
berkley
|
|
612 |
570
|
bojilova
|
} catch (SQLException e) {
|
613 |
|
|
throw new
|
614 |
688
|
bojilova
|
SQLException("AccessControlList.hasPermission(). " +
|
615 |
802
|
bojilova
|
"Error checking public access for document #"+docid+
|
616 |
688
|
bojilova
|
". " + e.getMessage());
|
617 |
555
|
bojilova
|
}
|
618 |
570
|
bojilova
|
}
|
619 |
|
|
|
620 |
|
|
// since owner of resource has all permission on it,
|
621 |
802
|
bojilova
|
// check if @principal is owner of @docid in xml_documents table
|
622 |
570
|
bojilova
|
if ( principal != null ) {
|
623 |
|
|
try {
|
624 |
607
|
bojilova
|
pstmt = conn.prepareStatement(
|
625 |
570
|
bojilova
|
"SELECT 'x' FROM xml_documents " +
|
626 |
765
|
bojilova
|
"WHERE docid = ? AND user_owner = ?");
|
627 |
570
|
bojilova
|
// Bind the values to the query
|
628 |
802
|
bojilova
|
pstmt.setString(1, docid);
|
629 |
570
|
bojilova
|
pstmt.setString(2, principal);
|
630 |
555
|
bojilova
|
|
631 |
570
|
bojilova
|
pstmt.execute();
|
632 |
|
|
ResultSet rs = pstmt.getResultSet();
|
633 |
|
|
boolean hasRow = rs.next();
|
634 |
|
|
pstmt.close();
|
635 |
|
|
if (hasRow) {
|
636 |
|
|
return true;
|
637 |
869
|
berkley
|
}
|
638 |
570
|
bojilova
|
|
639 |
|
|
} catch (SQLException e) {
|
640 |
|
|
throw new
|
641 |
688
|
bojilova
|
SQLException("AccessControlList.hasPermission(). " +
|
642 |
|
|
"Error checking ownership for " + principal +
|
643 |
802
|
bojilova
|
" on document #" + docid + ". " + e.getMessage());
|
644 |
570
|
bojilova
|
}
|
645 |
869
|
berkley
|
|
646 |
|
|
//check to see if the file we are checking is an access file and if the
|
647 |
|
|
//user that is trying to update it has ALL permissions
|
648 |
|
|
try
|
649 |
|
|
{
|
650 |
|
|
pstmt = conn.prepareStatement("select 'x' from xml_access where " +
|
651 |
|
|
"accessfileid like '" + docid +
|
652 |
|
|
"' and principal_name like '" + principal +
|
653 |
|
|
"' and perm_type like 'allow' and " +
|
654 |
|
|
"permission = 7");
|
655 |
|
|
pstmt.execute();
|
656 |
|
|
ResultSet rs = pstmt.getResultSet();
|
657 |
|
|
boolean hasRow = rs.next();
|
658 |
|
|
pstmt.close();
|
659 |
|
|
if(hasRow)
|
660 |
|
|
{
|
661 |
|
|
return true;
|
662 |
|
|
}
|
663 |
|
|
}
|
664 |
|
|
catch(SQLException e)
|
665 |
|
|
{
|
666 |
|
|
throw new SQLException("AccessControlList.hasPermission():2 " +
|
667 |
|
|
"Error checking ownership for " + principal +
|
668 |
|
|
" on document #" + docid + ". " + e.getMessage());
|
669 |
|
|
}
|
670 |
570
|
bojilova
|
|
671 |
802
|
bojilova
|
// check @principal's @permission on @docid from xml_access table
|
672 |
570
|
bojilova
|
int accessValue = 0;
|
673 |
|
|
int ticketCount = 0;
|
674 |
|
|
String permOrder = "";
|
675 |
|
|
try {
|
676 |
607
|
bojilova
|
pstmt = conn.prepareStatement(
|
677 |
570
|
bojilova
|
"SELECT permission, perm_order, ticket_count " +
|
678 |
|
|
"FROM xml_access " +
|
679 |
765
|
bojilova
|
"WHERE docid = ? " +
|
680 |
|
|
"AND principal_name = ? " +
|
681 |
|
|
"AND perm_type = ? " +
|
682 |
774
|
bojilova
|
"AND " + sysdate +
|
683 |
|
|
" BETWEEN " + isnull + "(begin_time," + sysdate + ") " +
|
684 |
|
|
"AND " + isnull + "(end_time," + sysdate + ")");
|
685 |
688
|
bojilova
|
// check if it is "deny" with "allowFirst" first
|
686 |
570
|
bojilova
|
// Bind the values to the query
|
687 |
802
|
bojilova
|
pstmt.setString(1, docid);
|
688 |
570
|
bojilova
|
pstmt.setString(2, principal);
|
689 |
688
|
bojilova
|
pstmt.setString(3, "deny");
|
690 |
570
|
bojilova
|
|
691 |
|
|
pstmt.execute();
|
692 |
|
|
ResultSet rs = pstmt.getResultSet();
|
693 |
|
|
boolean hasRows = rs.next();
|
694 |
|
|
while ( hasRows ) {
|
695 |
|
|
accessValue = rs.getInt(1);
|
696 |
|
|
permOrder = rs.getString(2);
|
697 |
|
|
ticketCount = rs.getInt(3);
|
698 |
|
|
if ( ( accessValue & intValue(permission) ) == intValue(permission) &&
|
699 |
638
|
bojilova
|
( permOrder.equals("allowFirst") ) &&
|
700 |
570
|
bojilova
|
( rs.wasNull() || ticketCount > 0 ) ) {
|
701 |
|
|
if ( !rs.wasNull() && ticketCount > 0 ) {
|
702 |
802
|
bojilova
|
decreaseNumberOfAccess(accessValue,principal,docid,"deny","allowFirst");
|
703 |
570
|
bojilova
|
}
|
704 |
|
|
pstmt.close();
|
705 |
|
|
return false;
|
706 |
|
|
}
|
707 |
|
|
hasRows = rs.next();
|
708 |
555
|
bojilova
|
}
|
709 |
688
|
bojilova
|
//System.out.println("Passed the check for \"deny\" access with \"allowFirst\"");
|
710 |
555
|
bojilova
|
|
711 |
688
|
bojilova
|
// it is not denied then check if it is "allow"
|
712 |
570
|
bojilova
|
// Bind the values to the query
|
713 |
802
|
bojilova
|
pstmt.setString(1, docid);
|
714 |
570
|
bojilova
|
pstmt.setString(2, principal);
|
715 |
688
|
bojilova
|
pstmt.setString(3, "allow");
|
716 |
570
|
bojilova
|
|
717 |
555
|
bojilova
|
pstmt.execute();
|
718 |
570
|
bojilova
|
rs = pstmt.getResultSet();
|
719 |
|
|
hasRows = rs.next();
|
720 |
|
|
while ( hasRows ) {
|
721 |
|
|
accessValue = rs.getInt(1);
|
722 |
688
|
bojilova
|
permOrder = rs.getString(2);
|
723 |
570
|
bojilova
|
ticketCount = rs.getInt(3);
|
724 |
|
|
if ( ( accessValue & intValue(permission) )==intValue(permission) &&
|
725 |
|
|
( rs.wasNull() || ticketCount > 0 ) ) {
|
726 |
|
|
if ( !rs.wasNull() && ticketCount > 0 ) {
|
727 |
802
|
bojilova
|
decreaseNumberOfAccess(accessValue,principal,docid,"allow",permOrder);
|
728 |
570
|
bojilova
|
}
|
729 |
|
|
pstmt.close();
|
730 |
|
|
return true;
|
731 |
|
|
}
|
732 |
|
|
hasRows = rs.next();
|
733 |
|
|
}
|
734 |
688
|
bojilova
|
//System.out.println("Passed the check for \"allow\" access");
|
735 |
570
|
bojilova
|
|
736 |
688
|
bojilova
|
// it is not allowed then check if it is "deny" with "denyFirst"
|
737 |
|
|
// Bind the values to the query
|
738 |
802
|
bojilova
|
pstmt.setString(1, docid);
|
739 |
688
|
bojilova
|
pstmt.setString(2, principal);
|
740 |
|
|
pstmt.setString(3, "deny");
|
741 |
|
|
|
742 |
|
|
pstmt.execute();
|
743 |
|
|
rs = pstmt.getResultSet();
|
744 |
|
|
hasRows = rs.next();
|
745 |
|
|
while ( hasRows ) {
|
746 |
|
|
accessValue = rs.getInt(1);
|
747 |
|
|
permOrder = rs.getString(2);
|
748 |
|
|
ticketCount = rs.getInt(3);
|
749 |
|
|
if ( ( accessValue & intValue(permission) ) == intValue(permission) &&
|
750 |
|
|
( permOrder.equals("denyFirst") ) &&
|
751 |
|
|
( rs.wasNull() || ticketCount > 0 ) ) {
|
752 |
|
|
if ( !rs.wasNull() && ticketCount > 0 ) {
|
753 |
802
|
bojilova
|
decreaseNumberOfAccess(accessValue,principal,docid,"deny","denyFirst");
|
754 |
688
|
bojilova
|
}
|
755 |
|
|
pstmt.close();
|
756 |
|
|
return false;
|
757 |
|
|
}
|
758 |
|
|
hasRows = rs.next();
|
759 |
|
|
}
|
760 |
|
|
//System.out.println("Passed the check for \"deny\" access wirh \"denyFirst\"");
|
761 |
570
|
bojilova
|
|
762 |
|
|
pstmt.close();
|
763 |
|
|
return false;
|
764 |
|
|
|
765 |
|
|
} catch (SQLException e) {
|
766 |
|
|
throw new
|
767 |
688
|
bojilova
|
SQLException("AccessControlList.hasPermission(). " +
|
768 |
|
|
"Error checking " + permission + " permission for " +
|
769 |
802
|
bojilova
|
principal + " on document #" + docid + ". " +
|
770 |
688
|
bojilova
|
e.getMessage());
|
771 |
555
|
bojilova
|
}
|
772 |
570
|
bojilova
|
}
|
773 |
|
|
|
774 |
|
|
return false;
|
775 |
|
|
}
|
776 |
555
|
bojilova
|
|
777 |
802
|
bojilova
|
/* Decrease the number of access to @docid for @principal in db. */
|
778 |
570
|
bojilova
|
private void decreaseNumberOfAccess(int permission, String principal,
|
779 |
802
|
bojilova
|
String docid, String permType,
|
780 |
688
|
bojilova
|
String permOrder)
|
781 |
570
|
bojilova
|
throws SQLException
|
782 |
|
|
{
|
783 |
|
|
PreparedStatement pstmt;
|
784 |
|
|
pstmt = conn.prepareStatement(
|
785 |
|
|
"UPDATE xml_access SET ticket_count = ticket_count - 1 " +
|
786 |
765
|
bojilova
|
"WHERE docid = ? " +
|
787 |
|
|
"AND principal_name = ? " +
|
788 |
|
|
"AND permission = ? " +
|
789 |
|
|
"AND perm_type = ? " +
|
790 |
|
|
"AND perm_order = ? " +
|
791 |
774
|
bojilova
|
"AND " + sysdate +
|
792 |
|
|
" BETWEEN " + isnull + "(begin_time," + sysdate + ") " +
|
793 |
|
|
"AND " + isnull + "(end_time," + sysdate + ")");
|
794 |
570
|
bojilova
|
// Bind the values to the query
|
795 |
802
|
bojilova
|
pstmt.setString(1, docid);
|
796 |
570
|
bojilova
|
pstmt.setString(2, principal);
|
797 |
|
|
pstmt.setInt(3, permission);
|
798 |
|
|
pstmt.setString(4, permType);
|
799 |
688
|
bojilova
|
pstmt.setString(5, permOrder);
|
800 |
570
|
bojilova
|
|
801 |
|
|
pstmt.execute();
|
802 |
|
|
pstmt.close();
|
803 |
|
|
}
|
804 |
|
|
|
805 |
688
|
bojilova
|
|
806 |
|
|
/**
|
807 |
|
|
* Get Access Control List information for document from db connetion.
|
808 |
|
|
* User or Group should have permissions for reading
|
809 |
|
|
* access control information for a document specified by @docid.
|
810 |
|
|
* @param docid document identifier which acl info to get
|
811 |
|
|
* @param user name of user connected to Metacat system
|
812 |
802
|
bojilova
|
* @param groups names of user's groups to which user belongs
|
813 |
688
|
bojilova
|
*/
|
814 |
802
|
bojilova
|
public String getACL(String docid, String user, String[] groups)
|
815 |
688
|
bojilova
|
throws SQLException
|
816 |
570
|
bojilova
|
{
|
817 |
688
|
bojilova
|
StringBuffer output = new StringBuffer();
|
818 |
|
|
StringBuffer outTemp = new StringBuffer();
|
819 |
|
|
MetaCatUtil util = new MetaCatUtil();
|
820 |
|
|
String accDoctype = util.getOption("accessdoctype");
|
821 |
|
|
String server = util.getOption("server");
|
822 |
|
|
String docurl = "metacat://" + server + "/?docid=" + docid;
|
823 |
|
|
String systemID;
|
824 |
|
|
boolean isOwned = false;
|
825 |
|
|
boolean hasPermission = false;
|
826 |
|
|
String publicAcc;
|
827 |
570
|
bojilova
|
|
828 |
688
|
bojilova
|
String acfid = "";
|
829 |
|
|
String acfid_prev = "";
|
830 |
|
|
String principal;
|
831 |
|
|
Vector principalArr = new Vector();
|
832 |
|
|
int permission;
|
833 |
|
|
int perm_prev = -1;
|
834 |
|
|
String permType;
|
835 |
|
|
String permOrder = "";
|
836 |
|
|
String permOrder_prev = "";
|
837 |
|
|
String beginTime = "";
|
838 |
|
|
String begin_prev = "";
|
839 |
|
|
String endTime = "";
|
840 |
|
|
String end_prev = "";
|
841 |
|
|
int ticketCount = -1;
|
842 |
|
|
int ticket_prev = -1;
|
843 |
|
|
|
844 |
638
|
bojilova
|
try {
|
845 |
688
|
bojilova
|
|
846 |
|
|
isOwned = isOwned(docid, user);
|
847 |
|
|
systemID = getSystemID(accDoctype);
|
848 |
|
|
publicAcc = getPublicAccess(docid);
|
849 |
|
|
|
850 |
|
|
output.append("<?xml version=\"1.0\"?>\n");
|
851 |
|
|
output.append("<!DOCTYPE acl PUBLIC \"" + accDoctype + "\" \"" +
|
852 |
|
|
systemID + "\">\n");
|
853 |
|
|
output.append("<acl authSystem=\"\">\n");
|
854 |
|
|
|
855 |
|
|
PreparedStatement pstmt;
|
856 |
|
|
pstmt = conn.prepareStatement(
|
857 |
|
|
"SELECT distinct accessfileid, principal_name, permission, " +
|
858 |
|
|
"perm_type, perm_order, to_char(begin_time,'mm/dd/yyyy'), " +
|
859 |
|
|
"to_char(end_time,'mm/dd/yyyy'), ticket_count " +
|
860 |
765
|
bojilova
|
"FROM xml_access WHERE docid = ? " +
|
861 |
688
|
bojilova
|
"ORDER BY accessfileid, perm_order, perm_type, permission");
|
862 |
|
|
// Bind the values to the query
|
863 |
|
|
pstmt.setString(1, docid);
|
864 |
|
|
pstmt.execute();
|
865 |
|
|
ResultSet rs = pstmt.getResultSet();
|
866 |
|
|
boolean hasRows = rs.next();
|
867 |
|
|
while (hasRows) {
|
868 |
|
|
|
869 |
|
|
acfid = rs.getString(1);
|
870 |
|
|
principal = rs.getString(2);
|
871 |
|
|
permission = rs.getInt(3);
|
872 |
|
|
permType = rs.getString(4);
|
873 |
|
|
permOrder = rs.getString(5);
|
874 |
|
|
beginTime = rs.getString(6);
|
875 |
|
|
endTime = rs.getString(7);
|
876 |
|
|
ticketCount = rs.getInt(8);
|
877 |
|
|
|
878 |
|
|
// if @docid is not owned by @user, only ACL info from that
|
879 |
802
|
bojilova
|
// access files to which @user/@groups has "read" permission
|
880 |
688
|
bojilova
|
// is extracted
|
881 |
|
|
if ( !isOwned ) {
|
882 |
|
|
if ( !acfid.equals(acfid_prev) ) {
|
883 |
|
|
acfid_prev = acfid;
|
884 |
802
|
bojilova
|
hasPermission = this.hasPermission("READ",user,groups,acfid);
|
885 |
688
|
bojilova
|
}
|
886 |
|
|
if ( !hasPermission ) {
|
887 |
|
|
rs.next();
|
888 |
|
|
continue;
|
889 |
|
|
}
|
890 |
|
|
}
|
891 |
|
|
|
892 |
|
|
// open <resource> tag
|
893 |
|
|
if ( !permOrder.equals(permOrder_prev) ) {
|
894 |
|
|
// close </resource> tag if any was opened
|
895 |
|
|
output.append(outTemp.toString());
|
896 |
|
|
outTemp = new StringBuffer();
|
897 |
|
|
if ( !permOrder_prev.equals("") ) {
|
898 |
|
|
output.append(" </resource>\n");
|
899 |
|
|
}
|
900 |
|
|
output.append(" <resource order=\"" + permOrder + "\" public=\"" +
|
901 |
|
|
publicAcc + "\">\n");
|
902 |
|
|
output.append(" <resourceIdentifier>" + docurl +
|
903 |
|
|
"</resourceIdentifier>\n");
|
904 |
|
|
permOrder_prev = permOrder;
|
905 |
|
|
}
|
906 |
|
|
|
907 |
|
|
// close </allow> or </deny> tag then open new one
|
908 |
|
|
if ( permission != perm_prev ||
|
909 |
|
|
(endTime == null) && (end_prev != null) ||
|
910 |
|
|
(beginTime == null) && (begin_prev != null) ||
|
911 |
|
|
endTime != null && !endTime.equals(end_prev) ||
|
912 |
|
|
beginTime != null && !beginTime.equals(begin_prev) ||
|
913 |
|
|
ticketCount != ticket_prev ) {
|
914 |
|
|
output.append(outTemp.toString());
|
915 |
|
|
outTemp = new StringBuffer();
|
916 |
|
|
principalArr.removeAllElements();
|
917 |
|
|
output.append(" <" + permType + ">\n");
|
918 |
|
|
}
|
919 |
|
|
|
920 |
|
|
// put all principals here for the same
|
921 |
|
|
// permission, duration and ticket_count
|
922 |
|
|
if ( !principalArr.contains(principal) ) {
|
923 |
|
|
principalArr.addElement(principal);
|
924 |
|
|
output.append(" <principal>" + principal + "</principal>\n");
|
925 |
|
|
}
|
926 |
|
|
|
927 |
|
|
// prepare <permission> tags, <duration> and <ticketCount>
|
928 |
|
|
// if any to put within <allow> (<deny>) by next cicle
|
929 |
|
|
if ( permission != perm_prev ||
|
930 |
|
|
(endTime == null) && (end_prev != null) ||
|
931 |
|
|
(beginTime == null) && (begin_prev != null) ||
|
932 |
|
|
endTime != null && !endTime.equals(end_prev) ||
|
933 |
|
|
beginTime != null && !beginTime.equals(begin_prev) ||
|
934 |
|
|
ticketCount != ticket_prev ) {
|
935 |
|
|
if ( (permission & READ) != 0 ) {
|
936 |
|
|
outTemp.append(" <permission>read</permission>\n");
|
937 |
|
|
}
|
938 |
|
|
if ( (permission & WRITE) != 0 ) {
|
939 |
|
|
outTemp.append(" <permission>write</permission>\n");
|
940 |
|
|
}
|
941 |
|
|
if ( (permission & ALL) != 0 ) {
|
942 |
|
|
outTemp.append(" <permission>all</permission>\n");
|
943 |
|
|
}
|
944 |
|
|
if ( (beginTime != null) || (endTime != null) ) {
|
945 |
|
|
outTemp.append(" <duration>" + beginTime + " " + endTime +
|
946 |
|
|
"</duration>\n");
|
947 |
|
|
}
|
948 |
|
|
if ( ticketCount > 0 ) {
|
949 |
|
|
outTemp.append(" <ticketCount>" + ticketCount +
|
950 |
|
|
"</ticketCount>\n");
|
951 |
|
|
}
|
952 |
|
|
outTemp.append(" </" + permType + ">\n");
|
953 |
|
|
perm_prev = permission;
|
954 |
|
|
ticket_prev = ticketCount;
|
955 |
|
|
begin_prev = beginTime;
|
956 |
|
|
end_prev = endTime;
|
957 |
|
|
}
|
958 |
|
|
|
959 |
|
|
hasRows = rs.next();
|
960 |
652
|
bojilova
|
}
|
961 |
688
|
bojilova
|
|
962 |
|
|
// close <allow> or <deny> if anything left in outTemp var
|
963 |
|
|
output.append(outTemp.toString());
|
964 |
|
|
|
965 |
|
|
// If there are no any acl info for @docid accessible by @user/@group,
|
966 |
|
|
// extract only the following information
|
967 |
|
|
if ( permOrder.equals("") ) {
|
968 |
|
|
output.append(" <resource public=\"" + publicAcc + "\">\n");
|
969 |
|
|
output.append(" <resourceIdentifier>" + docurl +
|
970 |
|
|
"</resourceIdentifier>\n");
|
971 |
|
|
}
|
972 |
|
|
|
973 |
|
|
// always close them
|
974 |
|
|
output.append(" </resource>\n");
|
975 |
|
|
output.append("</acl>\n");
|
976 |
|
|
|
977 |
|
|
pstmt.close();
|
978 |
|
|
|
979 |
|
|
return output.toString();
|
980 |
|
|
|
981 |
|
|
} catch (SQLException e) {
|
982 |
|
|
throw new
|
983 |
|
|
SQLException("AccessControlList.getACL(). " + e.getMessage());
|
984 |
638
|
bojilova
|
}
|
985 |
688
|
bojilova
|
}
|
986 |
|
|
|
987 |
|
|
/* Check if @user is owner of @docid from db conn. */
|
988 |
|
|
private boolean isOwned(String docid, String user) throws SQLException {
|
989 |
|
|
|
990 |
|
|
PreparedStatement pstmt;
|
991 |
|
|
pstmt = conn.prepareStatement("SELECT 'x' FROM xml_documents " +
|
992 |
765
|
bojilova
|
"WHERE docid = ? " +
|
993 |
|
|
"AND user_owner = ?");
|
994 |
688
|
bojilova
|
pstmt.setString(1, docid);
|
995 |
|
|
pstmt.setString(2, user);
|
996 |
|
|
pstmt.execute();
|
997 |
|
|
ResultSet rs = pstmt.getResultSet();
|
998 |
|
|
boolean hasRow = rs.next();
|
999 |
|
|
|
1000 |
|
|
return hasRow;
|
1001 |
|
|
}
|
1002 |
652
|
bojilova
|
|
1003 |
688
|
bojilova
|
/* Get the flag for public "read" access for @docid from db conn. */
|
1004 |
|
|
private String getPublicAccess(String docid) throws SQLException {
|
1005 |
|
|
|
1006 |
|
|
int publicAcc = 0;
|
1007 |
|
|
PreparedStatement pstmt;
|
1008 |
|
|
pstmt = conn.prepareStatement("SELECT public_access FROM xml_documents " +
|
1009 |
765
|
bojilova
|
"WHERE docid = ?");
|
1010 |
688
|
bojilova
|
pstmt.setString(1, docid);
|
1011 |
|
|
pstmt.execute();
|
1012 |
|
|
ResultSet rs = pstmt.getResultSet();
|
1013 |
|
|
boolean hasRow = rs.next();
|
1014 |
|
|
if ( hasRow ) {
|
1015 |
|
|
publicAcc = rs.getInt(1);
|
1016 |
|
|
}
|
1017 |
|
|
|
1018 |
|
|
return (publicAcc == 1) ? "yes" : "no";
|
1019 |
|
|
}
|
1020 |
|
|
|
1021 |
|
|
/* Get SystemID for @publicID from Metacat DB Catalog. */
|
1022 |
|
|
private String getSystemID(String publicID) throws SQLException {
|
1023 |
|
|
|
1024 |
|
|
String systemID = "";
|
1025 |
|
|
PreparedStatement pstmt;
|
1026 |
|
|
pstmt = conn.prepareStatement("SELECT system_id FROM xml_catalog " +
|
1027 |
|
|
"WHERE entry_type = 'DTD' " +
|
1028 |
765
|
bojilova
|
"AND public_id = ?");
|
1029 |
688
|
bojilova
|
pstmt.setString(1, publicID);
|
1030 |
|
|
pstmt.execute();
|
1031 |
|
|
ResultSet rs = pstmt.getResultSet();
|
1032 |
|
|
boolean hasRow = rs.next();
|
1033 |
|
|
if ( hasRow ) {
|
1034 |
|
|
systemID = rs.getString(1);
|
1035 |
|
|
}
|
1036 |
|
|
|
1037 |
|
|
return systemID;
|
1038 |
|
|
}
|
1039 |
|
|
|
1040 |
555
|
bojilova
|
}
|