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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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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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static final int ALL = 1;
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static final int WRITE = 2;
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static final int READ = 4;
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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 boolean processingDTD;
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private String user;
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private String group;
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private String aclid;
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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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/**
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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 group the group 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 group, int serverCode)
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throws SAXException, IOException, ClassNotFoundException
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{
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// Get an instance of the parser
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MetaCatUtil util = new MetaCatUtil();
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String parserName = util.getOption("saxparser");
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this.server = util.getOption("server");
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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.group = group;
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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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// Initialize the parser and read the queryspec
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XMLReader parser = initializeParser();
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parser.parse(new InputSource(acl));
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}
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/**
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* Construct an instance of the AccessControlList class.
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688
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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 group the group 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 group )
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throws SAXException, IOException, ClassNotFoundException
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{
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this(conn, aclid, new FileReader(new File(aclfilename).toString()),
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user, group, 1);
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}
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/* Set up the SAX parser for reading the XML serialized ACL */
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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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// 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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// Set the ContentHandler to this instance
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parser.setContentHandler((ContentHandler)this);
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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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parser.setEntityResolver((EntityResolver)eresolver);
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// Set the ErrorHandler to this instance
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parser.setErrorHandler((ErrorHandler)this);
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return parser;
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}
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/**
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* Callback method used by the SAX Parser when beginning of the document
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*/
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public void startDocument() throws SAXException
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{
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//delete all previously submitted permissions @ relations
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//this happens only on UPDATE of the access file
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try {
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if ( aclid != null ) {
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//first delete all permissions for resources related to @aclid if any
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deletePermissionsForRelatedResources(aclid);
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//then delete all relations with docid of @aclid if any
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deleteRelations(aclid);
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}
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201 |
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} catch (SQLException sqle) {
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202 |
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throw new SAXException(sqle);
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}
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}
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206 |
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/**
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207 |
688
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bojilova
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* Callback method used by the SAX Parser when the start tag of an
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208 |
555
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* element is detected. Used in this context to parse and store
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* the acl information in class variables.
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*/
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public void startElement (String uri, String localName,
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212 |
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String qName, Attributes atts)
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throws SAXException
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214 |
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{
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215 |
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BasicNode currentNode = new BasicNode(localName);
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216 |
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if (atts != null) {
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217 |
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int len = atts.getLength();
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218 |
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for (int i = 0; i < len; i++) {
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currentNode.setAttribute(atts.getLocalName(i), atts.getValue(i));
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}
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}
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if ( currentNode.getTagName().equals("resource") ) {
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permOrder = currentNode.getAttribute("order");
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672
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publicAcc = currentNode.getAttribute("public");
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225 |
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}
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226 |
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elementStack.push(currentNode);
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}
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/**
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230 |
688
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* Callback method used by the SAX Parser when the text sequences of an
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231 |
555
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* xml stream are detected. Used in this context to parse and store
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232 |
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* the acl information in class variables.
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*/
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234 |
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public void characters(char ch[], int start, int length)
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235 |
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throws SAXException
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236 |
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{
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237 |
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String inputString = new String(ch, start, length);
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BasicNode currentNode = (BasicNode)elementStack.peek();
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String currentTag = currentNode.getTagName();
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240 |
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570
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if (currentTag.equals("resourceIdentifier")) {
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242 |
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243 |
665
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// docid of the current resource
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244 |
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String docid = getDocid(inputString);
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245 |
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// URL string of the current resource
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246 |
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// docurl is declared in the class
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247 |
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try {
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docurl = (new URL(inputString)).toString();
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249 |
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} catch (MalformedURLException murle) {
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250 |
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throw new SAXException(murle.getMessage());
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251 |
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}
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252 |
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// collect them in Vector variables
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253 |
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resourceID.addElement(docid);
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254 |
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resourceURL.addElement(docurl);
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255 |
684
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bojilova
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256 |
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// if it is the local server (originator of the document),
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257 |
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// check for permission for @user on resource is needed
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258 |
665
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// @user must have permission "all" on it(docid)
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259 |
684
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if ( serverCode == 1 ) {
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260 |
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boolean hasPermission = false;
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261 |
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try {
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262 |
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hasPermission = hasPermission("ALL",user,docid);
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263 |
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if ( !hasPermission && group != null ) {
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264 |
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hasPermission = hasPermission("ALL",group,docid);
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265 |
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}
|
266 |
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} catch (SQLException e) {
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267 |
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throw new SAXException(e.getMessage());
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268 |
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}
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269 |
684
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if ( !hasPermission ) {
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270 |
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throw new SAXException(
|
271 |
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"Permission denied for setting access control on " + docid);
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272 |
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}
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273 |
638
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}
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274 |
665
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// end of check for "all" perm on docid
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275 |
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276 |
660
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} else if (currentTag.equals("principal")) {
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277 |
645
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278 |
665
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principal.addElement(inputString);
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279 |
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280 |
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} else if (currentTag.equals("permission")) {
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281 |
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|
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282 |
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if ( inputString.trim().toUpperCase().equals("READ") ) {
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283 |
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permission = permission | READ;
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284 |
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} else if ( inputString.trim().toUpperCase().equals("WRITE") ) {
|
285 |
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permission = permission | WRITE;
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286 |
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} else if ( inputString.trim().toUpperCase().equals("ALL") ) {
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287 |
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permission = permission | ALL;
|
288 |
665
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} else {
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289 |
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throw new SAXException("Unknown permission type: " + inputString);
|
290 |
555
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|
}
|
291 |
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|
292 |
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} else if (currentTag.equals("duration") &&
|
293 |
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|
beginTime == null && endTime == null ) {
|
294 |
555
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|
try {
|
295 |
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beginTime = inputString.substring(0, inputString.indexOf(" "));
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296 |
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endTime = inputString.substring(inputString.indexOf(" ")+1);
|
297 |
555
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} catch (StringIndexOutOfBoundsException se) {
|
298 |
570
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beginTime = inputString;
|
299 |
555
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}
|
300 |
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301 |
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} else if (currentTag.equals("ticketCount") && ticketCount == 0 ) {
|
302 |
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try {
|
303 |
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ticketCount = (new Integer(inputString.trim())).intValue();
|
304 |
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|
} catch (NumberFormatException nfe) {
|
305 |
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throw new SAXException("Wrong integer format for:" + inputString);
|
306 |
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}
|
307 |
555
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bojilova
|
}
|
308 |
|
|
}
|
309 |
|
|
|
310 |
|
|
/**
|
311 |
688
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bojilova
|
* Callback method used by the SAX Parser when the end tag of an
|
312 |
555
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|
* element is detected. Used in this context to parse and store
|
313 |
|
|
* the acl information in class variables.
|
314 |
|
|
*/
|
315 |
|
|
public void endElement (String uri, String localName, String qName)
|
316 |
|
|
throws SAXException
|
317 |
|
|
{
|
318 |
688
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bojilova
|
BasicNode leaving = (BasicNode)elementStack.pop();
|
319 |
|
|
String leavingTagName = leaving.getTagName();
|
320 |
|
|
|
321 |
|
|
if ( leavingTagName.equals("resourceIdentifier") ) {
|
322 |
570
|
bojilova
|
|
323 |
638
|
bojilova
|
try {
|
324 |
665
|
bojilova
|
// make a relationship for @aclid on the current resource(docurl)
|
325 |
638
|
bojilova
|
if ( aclid != null ) {
|
326 |
665
|
bojilova
|
insertRelation(aclid, docurl);
|
327 |
638
|
bojilova
|
}
|
328 |
|
|
} catch (SQLException sqle) {
|
329 |
|
|
throw new SAXException(sqle);
|
330 |
|
|
}
|
331 |
|
|
|
332 |
688
|
bojilova
|
} else if ( leavingTagName.equals("allow") ||
|
333 |
|
|
leavingTagName.equals("deny") ) {
|
334 |
638
|
bojilova
|
|
335 |
570
|
bojilova
|
if ( permission > 0 ) {
|
336 |
555
|
bojilova
|
|
337 |
570
|
bojilova
|
// insert into db calculated permission for the list of principals
|
338 |
|
|
try {
|
339 |
688
|
bojilova
|
insertPermissions(leavingTagName);
|
340 |
570
|
bojilova
|
} catch (SQLException sqle) {
|
341 |
|
|
throw new SAXException(sqle);
|
342 |
|
|
}
|
343 |
|
|
}
|
344 |
|
|
|
345 |
688
|
bojilova
|
// reset the allow/deny permission
|
346 |
660
|
bojilova
|
principal = new Vector();
|
347 |
555
|
bojilova
|
permission = 0;
|
348 |
570
|
bojilova
|
beginTime = null;
|
349 |
|
|
endTime = null;
|
350 |
|
|
ticketCount = 0;
|
351 |
555
|
bojilova
|
|
352 |
688
|
bojilova
|
} else if ( leavingTagName.equals("resource") ) {
|
353 |
555
|
bojilova
|
|
354 |
688
|
bojilova
|
// update public access for the list of resources
|
355 |
|
|
if ( publicAcc != null ) {
|
356 |
570
|
bojilova
|
try {
|
357 |
688
|
bojilova
|
updatePublicAccess(publicAcc);
|
358 |
570
|
bojilova
|
} catch (SQLException sqle) {
|
359 |
|
|
throw new SAXException(sqle);
|
360 |
555
|
bojilova
|
}
|
361 |
|
|
}
|
362 |
672
|
bojilova
|
|
363 |
|
|
// reset the resource
|
364 |
665
|
bojilova
|
resourceID = new Vector();
|
365 |
|
|
resourceURL = new Vector();
|
366 |
570
|
bojilova
|
permOrder = null;
|
367 |
672
|
bojilova
|
publicAcc = null;
|
368 |
570
|
bojilova
|
}
|
369 |
555
|
bojilova
|
|
370 |
|
|
}
|
371 |
598
|
bojilova
|
|
372 |
688
|
bojilova
|
/**
|
373 |
|
|
* SAX Handler that receives notification of DOCTYPE. Sets the DTD.
|
374 |
|
|
* @param name name of the DTD
|
375 |
|
|
* @param publicId Public Identifier of the DTD
|
376 |
|
|
* @param systemId System Identifier of the DTD
|
377 |
|
|
*/
|
378 |
598
|
bojilova
|
public void startDTD(String name, String publicId, String systemId)
|
379 |
|
|
throws SAXException {
|
380 |
|
|
docname = name;
|
381 |
|
|
doctype = publicId;
|
382 |
|
|
systemid = systemId;
|
383 |
|
|
// processingDTD = true;
|
384 |
|
|
}
|
385 |
|
|
|
386 |
|
|
/**
|
387 |
688
|
bojilova
|
* SAX Handler that receives notification of the start of entities.
|
388 |
|
|
* @param name name of the entity
|
389 |
598
|
bojilova
|
*/
|
390 |
|
|
public void startEntity(String name) throws SAXException {
|
391 |
|
|
if (name.equals("[dtd]")) {
|
392 |
|
|
processingDTD = true;
|
393 |
|
|
}
|
394 |
|
|
}
|
395 |
|
|
|
396 |
|
|
/**
|
397 |
688
|
bojilova
|
* SAX Handler that receives notification of the end of entities.
|
398 |
|
|
* @param name name of the entity
|
399 |
598
|
bojilova
|
*/
|
400 |
|
|
public void endEntity(String name) throws SAXException {
|
401 |
|
|
if (name.equals("[dtd]")) {
|
402 |
|
|
processingDTD = false;
|
403 |
|
|
}
|
404 |
|
|
}
|
405 |
|
|
|
406 |
|
|
/**
|
407 |
688
|
bojilova
|
* Get the document name.
|
408 |
598
|
bojilova
|
*/
|
409 |
|
|
public String getDocname() {
|
410 |
|
|
return docname;
|
411 |
|
|
}
|
412 |
|
|
|
413 |
|
|
/**
|
414 |
688
|
bojilova
|
* Get the document processing state.
|
415 |
598
|
bojilova
|
*/
|
416 |
|
|
public boolean processingDTD() {
|
417 |
|
|
return processingDTD;
|
418 |
|
|
}
|
419 |
|
|
|
420 |
688
|
bojilova
|
/* Delete from db all permission for resources related to @aclid if any.*/
|
421 |
645
|
bojilova
|
private void deletePermissionsForRelatedResources(String aclid)
|
422 |
638
|
bojilova
|
throws SQLException
|
423 |
|
|
{
|
424 |
645
|
bojilova
|
// delete all acl records for resources related to @aclid if any
|
425 |
638
|
bojilova
|
Statement stmt = conn.createStatement();
|
426 |
645
|
bojilova
|
stmt.execute("DELETE FROM xml_access WHERE accessfileid = '" + aclid + "'");
|
427 |
638
|
bojilova
|
stmt.close();
|
428 |
|
|
}
|
429 |
|
|
|
430 |
688
|
bojilova
|
/* Delete all of the relations with a docid of @docid from db connection.*/
|
431 |
|
|
private void deleteRelations(String docid)
|
432 |
638
|
bojilova
|
throws SQLException
|
433 |
|
|
{
|
434 |
645
|
bojilova
|
Statement stmt = conn.createStatement();
|
435 |
|
|
stmt.execute("DELETE FROM xml_relation WHERE docid='" + docid + "'");
|
436 |
|
|
stmt.close();
|
437 |
|
|
}
|
438 |
|
|
|
439 |
688
|
bojilova
|
/* Insert relationship for @aclid on @resourceURL into db connection.*/
|
440 |
645
|
bojilova
|
private void insertRelation(String aclid, String resourceURL)
|
441 |
|
|
throws SQLException
|
442 |
|
|
{
|
443 |
|
|
String aclURL = "metacat://" + server + "/?docid=" + aclid;
|
444 |
638
|
bojilova
|
|
445 |
|
|
// insert relationship
|
446 |
|
|
PreparedStatement pstmt;
|
447 |
|
|
pstmt = conn.prepareStatement(
|
448 |
|
|
"INSERT INTO xml_relation (docid,subject,relationship,object) " +
|
449 |
|
|
"VALUES (?, ?, ?, ?)");
|
450 |
|
|
pstmt.setString(1, aclid);
|
451 |
|
|
pstmt.setString(2, aclURL);
|
452 |
|
|
pstmt.setString(3, "isaclfor");
|
453 |
|
|
pstmt.setString(4, resourceURL);
|
454 |
|
|
|
455 |
|
|
pstmt.execute();
|
456 |
|
|
pstmt.close();
|
457 |
|
|
}
|
458 |
|
|
|
459 |
688
|
bojilova
|
/* Insert into db calculated permission for the list of principals */
|
460 |
570
|
bojilova
|
private void insertPermissions( String permType )
|
461 |
555
|
bojilova
|
throws SQLException
|
462 |
|
|
{
|
463 |
672
|
bojilova
|
PreparedStatement pstmt;
|
464 |
638
|
bojilova
|
|
465 |
555
|
bojilova
|
try {
|
466 |
|
|
pstmt = conn.prepareStatement(
|
467 |
|
|
"INSERT INTO xml_access " +
|
468 |
645
|
bojilova
|
"(docid, principal_name, permission, perm_type, perm_order," +
|
469 |
|
|
"begin_time,end_time,ticket_count, accessfileid) VALUES " +
|
470 |
|
|
"(?,?,?,?,?,to_date(?,'mm/dd/yy'),to_date(?,'mm/dd/yy'),?,?)");
|
471 |
555
|
bojilova
|
// Bind the values to the query
|
472 |
570
|
bojilova
|
pstmt.setInt(3, permission);
|
473 |
|
|
pstmt.setString(4, permType);
|
474 |
|
|
pstmt.setString(5, permOrder);
|
475 |
|
|
pstmt.setString(6, beginTime);
|
476 |
|
|
pstmt.setString(7, endTime);
|
477 |
645
|
bojilova
|
pstmt.setString(9, aclid);
|
478 |
570
|
bojilova
|
if ( ticketCount > 0 ) {
|
479 |
|
|
pstmt.setString(8, "" + ticketCount);
|
480 |
|
|
} else {
|
481 |
555
|
bojilova
|
pstmt.setString(8, "");
|
482 |
570
|
bojilova
|
}
|
483 |
688
|
bojilova
|
String docid;
|
484 |
|
|
String prName;
|
485 |
665
|
bojilova
|
for ( int i = 0; i < resourceID.size(); i++ ) {
|
486 |
688
|
bojilova
|
docid = (String)resourceID.elementAt(i);
|
487 |
|
|
pstmt.setString(1, docid);
|
488 |
665
|
bojilova
|
for ( int j = 0; j < principal.size(); j++ ) {
|
489 |
688
|
bojilova
|
prName = (String)principal.elementAt(j);
|
490 |
|
|
pstmt.setString(2, prName);
|
491 |
665
|
bojilova
|
pstmt.execute();
|
492 |
688
|
bojilova
|
|
493 |
|
|
// check if there are conflict with permission's order
|
494 |
|
|
String permOrderOpos = permOrder;
|
495 |
|
|
int perm = getPermissions(permission, prName, docid, permOrder);
|
496 |
|
|
if ( perm != 0 ) {
|
497 |
|
|
if ( permOrder.equals("allowFirst") ) {
|
498 |
|
|
permOrderOpos = "denyFirst";
|
499 |
|
|
} else if ( permOrder.equals("denyFirst") ) {
|
500 |
|
|
permOrderOpos = "allowFirst";
|
501 |
|
|
}
|
502 |
|
|
throw new SQLException("Permission(s) " + txtValue(perm) +
|
503 |
|
|
" for \"" + prName + "\" on document #" + docid +
|
504 |
|
|
" has/have been used with \"" + permOrderOpos + "\"");
|
505 |
|
|
}
|
506 |
665
|
bojilova
|
}
|
507 |
570
|
bojilova
|
}
|
508 |
672
|
bojilova
|
pstmt.close();
|
509 |
555
|
bojilova
|
|
510 |
570
|
bojilova
|
} catch (SQLException e) {
|
511 |
|
|
throw new
|
512 |
|
|
SQLException("AccessControlList.insertPermissions(): " + e.getMessage());
|
513 |
672
|
bojilova
|
}
|
514 |
|
|
}
|
515 |
|
|
|
516 |
688
|
bojilova
|
/* Update into db public "read" access for the list of resources. */
|
517 |
672
|
bojilova
|
private void updatePublicAccess(String publicAcc)
|
518 |
|
|
throws SQLException
|
519 |
|
|
{
|
520 |
|
|
try {
|
521 |
|
|
PreparedStatement pstmt;
|
522 |
|
|
pstmt = conn.prepareStatement(
|
523 |
|
|
"UPDATE xml_documents SET public_access = ?" +
|
524 |
|
|
" WHERE docid LIKE ?");
|
525 |
|
|
// Bind the values to the query
|
526 |
682
|
bojilova
|
if ( publicAcc == null ) {
|
527 |
|
|
pstmt.setString(1, null);
|
528 |
|
|
} else if ( publicAcc.toUpperCase().equals("YES") ) {
|
529 |
672
|
bojilova
|
pstmt.setInt(1, 1);
|
530 |
|
|
} else {
|
531 |
|
|
pstmt.setInt(1, 0);
|
532 |
|
|
}
|
533 |
|
|
for ( int i = 0; i < resourceID.size(); i++ ) {
|
534 |
|
|
pstmt.setString(2, (String)resourceID.elementAt(i));
|
535 |
|
|
pstmt.execute();
|
536 |
|
|
}
|
537 |
667
|
berkley
|
pstmt.close();
|
538 |
672
|
bojilova
|
|
539 |
|
|
} catch (SQLException e) {
|
540 |
|
|
throw new
|
541 |
|
|
SQLException("AccessControlList.updatePublicAccess(): " + e.getMessage());
|
542 |
570
|
bojilova
|
}
|
543 |
|
|
}
|
544 |
|
|
|
545 |
688
|
bojilova
|
/* Get permissions with permission order different than @permOrder. */
|
546 |
|
|
private int getPermissions(int permission, String principal,
|
547 |
|
|
String docid, String permOrder)
|
548 |
|
|
throws SQLException
|
549 |
|
|
{
|
550 |
|
|
PreparedStatement pstmt;
|
551 |
|
|
pstmt = conn.prepareStatement(
|
552 |
|
|
"SELECT permission FROM xml_access " +
|
553 |
|
|
"WHERE docid LIKE ? " +
|
554 |
|
|
"AND principal_name LIKE ? " +
|
555 |
|
|
"AND perm_order NOT LIKE ?");
|
556 |
|
|
pstmt.setString(1, docid);
|
557 |
|
|
pstmt.setString(2, principal);
|
558 |
|
|
pstmt.setString(3, permOrder);
|
559 |
|
|
pstmt.execute();
|
560 |
|
|
ResultSet rs = pstmt.getResultSet();
|
561 |
|
|
boolean hasRow = rs.next();
|
562 |
|
|
int perm = 0;
|
563 |
|
|
while ( hasRow ) {
|
564 |
|
|
perm = rs.getInt(1);
|
565 |
|
|
perm = permission & perm;
|
566 |
|
|
if ( perm != 0 ) {
|
567 |
|
|
pstmt.close();
|
568 |
|
|
return perm;
|
569 |
|
|
}
|
570 |
|
|
hasRow = rs.next();
|
571 |
|
|
}
|
572 |
|
|
pstmt.close();
|
573 |
|
|
return 0;
|
574 |
|
|
}
|
575 |
|
|
|
576 |
|
|
/* Get the int value of READ, WRITE or ALL. */
|
577 |
|
|
private int intValue ( String permission )
|
578 |
|
|
{
|
579 |
|
|
if ( permission.equals("READ") ) {
|
580 |
|
|
return READ;
|
581 |
|
|
} else if ( permission.equals("WRITE") ) {
|
582 |
|
|
return WRITE;
|
583 |
|
|
} else if ( permission.equals("ALL") ) {
|
584 |
|
|
return ALL;
|
585 |
|
|
}
|
586 |
|
|
|
587 |
|
|
return -1;
|
588 |
|
|
}
|
589 |
|
|
|
590 |
|
|
/* Get the text value of READ, WRITE or ALL. */
|
591 |
|
|
private String txtValue ( int permission )
|
592 |
|
|
{
|
593 |
|
|
StringBuffer txtPerm = new StringBuffer("\"");
|
594 |
|
|
if ( (permission & READ) != 0 ) {
|
595 |
|
|
txtPerm.append("read");
|
596 |
|
|
}
|
597 |
|
|
if ( (permission & WRITE) != 0 ) {
|
598 |
|
|
if ( txtPerm.length() > 0 ) txtPerm.append(",");
|
599 |
|
|
txtPerm.append("write");
|
600 |
|
|
}
|
601 |
|
|
if ( (permission & ALL) != 0 ) {
|
602 |
|
|
if ( txtPerm.length() > 0 ) txtPerm.append(",");
|
603 |
|
|
txtPerm.append("all");
|
604 |
|
|
}
|
605 |
|
|
|
606 |
|
|
return txtPerm.append("\"").toString();
|
607 |
|
|
}
|
608 |
|
|
|
609 |
|
|
/* Read docid from @url. */
|
610 |
|
|
private String getDocid ( String url ) throws SAXException
|
611 |
|
|
{
|
612 |
|
|
MetaCatUtil util = new MetaCatUtil();
|
613 |
|
|
try {
|
614 |
|
|
URL urlobj = new URL(url);
|
615 |
|
|
Hashtable urlParams = util.parseQuery(urlobj.getQuery());
|
616 |
|
|
if ( urlParams.containsKey("docid") ) {
|
617 |
|
|
return (String)urlParams.get("docid"); // return the docid value
|
618 |
|
|
} else {
|
619 |
|
|
throw new
|
620 |
|
|
SAXException("\"docid\" not specified within " + url);
|
621 |
|
|
}
|
622 |
|
|
} catch (MalformedURLException e) {
|
623 |
|
|
throw new SAXException(e.getMessage());
|
624 |
|
|
}
|
625 |
|
|
}
|
626 |
|
|
|
627 |
|
|
|
628 |
|
|
/**
|
629 |
|
|
* Check from db connection if @principal has @permission on @resourceID.
|
630 |
|
|
* @param permission permission type to check for
|
631 |
|
|
* @param principal name of principal to check for @permission
|
632 |
|
|
* @param resourceID resource identifier to check on
|
633 |
|
|
*/
|
634 |
607
|
bojilova
|
public boolean hasPermission ( String permission,
|
635 |
665
|
bojilova
|
String principal, String resourceID )
|
636 |
570
|
bojilova
|
throws SQLException
|
637 |
|
|
{
|
638 |
|
|
PreparedStatement pstmt;
|
639 |
665
|
bojilova
|
// check public access to @resourceID from xml_documents table
|
640 |
570
|
bojilova
|
if ( permission.equals("READ") ) {
|
641 |
|
|
try {
|
642 |
607
|
bojilova
|
pstmt = conn.prepareStatement(
|
643 |
570
|
bojilova
|
"SELECT 'x' FROM xml_documents " +
|
644 |
|
|
"WHERE docid LIKE ? AND public_access = 1");
|
645 |
|
|
// Bind the values to the query
|
646 |
665
|
bojilova
|
pstmt.setString(1, resourceID);
|
647 |
570
|
bojilova
|
|
648 |
555
|
bojilova
|
pstmt.execute();
|
649 |
570
|
bojilova
|
ResultSet rs = pstmt.getResultSet();
|
650 |
|
|
boolean hasRow = rs.next();
|
651 |
|
|
pstmt.close();
|
652 |
|
|
if (hasRow) {
|
653 |
|
|
return true;
|
654 |
|
|
}
|
655 |
|
|
//System.out.println("Passed the check for public access");
|
656 |
|
|
|
657 |
|
|
} catch (SQLException e) {
|
658 |
|
|
throw new
|
659 |
688
|
bojilova
|
SQLException("AccessControlList.hasPermission(). " +
|
660 |
|
|
"Error checking public access for document #"+resourceID+
|
661 |
|
|
". " + e.getMessage());
|
662 |
555
|
bojilova
|
}
|
663 |
570
|
bojilova
|
}
|
664 |
|
|
|
665 |
|
|
// since owner of resource has all permission on it,
|
666 |
665
|
bojilova
|
// check if @principal is owner of @resourceID in xml_documents table
|
667 |
570
|
bojilova
|
if ( principal != null ) {
|
668 |
|
|
try {
|
669 |
607
|
bojilova
|
pstmt = conn.prepareStatement(
|
670 |
570
|
bojilova
|
"SELECT 'x' FROM xml_documents " +
|
671 |
|
|
"WHERE docid LIKE ? AND user_owner LIKE ?");
|
672 |
|
|
// Bind the values to the query
|
673 |
665
|
bojilova
|
pstmt.setString(1, resourceID);
|
674 |
570
|
bojilova
|
pstmt.setString(2, principal);
|
675 |
555
|
bojilova
|
|
676 |
570
|
bojilova
|
pstmt.execute();
|
677 |
|
|
ResultSet rs = pstmt.getResultSet();
|
678 |
|
|
boolean hasRow = rs.next();
|
679 |
|
|
pstmt.close();
|
680 |
|
|
if (hasRow) {
|
681 |
|
|
return true;
|
682 |
555
|
bojilova
|
}
|
683 |
570
|
bojilova
|
//System.out.println("Passed the check for ownership");
|
684 |
|
|
|
685 |
|
|
} catch (SQLException e) {
|
686 |
|
|
throw new
|
687 |
688
|
bojilova
|
SQLException("AccessControlList.hasPermission(). " +
|
688 |
|
|
"Error checking ownership for " + principal +
|
689 |
|
|
" on document #" + resourceID + ". " + e.getMessage());
|
690 |
570
|
bojilova
|
}
|
691 |
|
|
|
692 |
665
|
bojilova
|
// check @principal's @permission on @resourceID from xml_access table
|
693 |
570
|
bojilova
|
int accessValue = 0;
|
694 |
|
|
int ticketCount = 0;
|
695 |
|
|
String permOrder = "";
|
696 |
|
|
try {
|
697 |
607
|
bojilova
|
pstmt = conn.prepareStatement(
|
698 |
570
|
bojilova
|
"SELECT permission, perm_order, ticket_count " +
|
699 |
|
|
"FROM xml_access " +
|
700 |
|
|
"WHERE docid LIKE ? " +
|
701 |
|
|
"AND principal_name LIKE ? " +
|
702 |
688
|
bojilova
|
"AND perm_type LIKE ? " +
|
703 |
570
|
bojilova
|
"AND sysdate BETWEEN nvl(begin_time,sysdate) " +
|
704 |
688
|
bojilova
|
"AND nvl(end_time,sysdate)");
|
705 |
|
|
// check if it is "deny" with "allowFirst" first
|
706 |
570
|
bojilova
|
// Bind the values to the query
|
707 |
665
|
bojilova
|
pstmt.setString(1, resourceID);
|
708 |
570
|
bojilova
|
pstmt.setString(2, principal);
|
709 |
688
|
bojilova
|
pstmt.setString(3, "deny");
|
710 |
570
|
bojilova
|
|
711 |
|
|
pstmt.execute();
|
712 |
|
|
ResultSet rs = pstmt.getResultSet();
|
713 |
|
|
boolean hasRows = rs.next();
|
714 |
|
|
while ( hasRows ) {
|
715 |
|
|
accessValue = rs.getInt(1);
|
716 |
|
|
permOrder = rs.getString(2);
|
717 |
|
|
ticketCount = rs.getInt(3);
|
718 |
|
|
if ( ( accessValue & intValue(permission) ) == intValue(permission) &&
|
719 |
638
|
bojilova
|
( permOrder.equals("allowFirst") ) &&
|
720 |
570
|
bojilova
|
( rs.wasNull() || ticketCount > 0 ) ) {
|
721 |
|
|
if ( !rs.wasNull() && ticketCount > 0 ) {
|
722 |
688
|
bojilova
|
decreaseNumberOfAccess(accessValue,principal,resourceID,"deny","allowFirst");
|
723 |
570
|
bojilova
|
}
|
724 |
|
|
pstmt.close();
|
725 |
|
|
return false;
|
726 |
|
|
}
|
727 |
|
|
hasRows = rs.next();
|
728 |
555
|
bojilova
|
}
|
729 |
688
|
bojilova
|
//System.out.println("Passed the check for \"deny\" access with \"allowFirst\"");
|
730 |
555
|
bojilova
|
|
731 |
688
|
bojilova
|
// it is not denied then check if it is "allow"
|
732 |
570
|
bojilova
|
// Bind the values to the query
|
733 |
665
|
bojilova
|
pstmt.setString(1, resourceID);
|
734 |
570
|
bojilova
|
pstmt.setString(2, principal);
|
735 |
688
|
bojilova
|
pstmt.setString(3, "allow");
|
736 |
570
|
bojilova
|
|
737 |
555
|
bojilova
|
pstmt.execute();
|
738 |
570
|
bojilova
|
rs = pstmt.getResultSet();
|
739 |
|
|
hasRows = rs.next();
|
740 |
|
|
while ( hasRows ) {
|
741 |
|
|
accessValue = rs.getInt(1);
|
742 |
688
|
bojilova
|
permOrder = rs.getString(2);
|
743 |
570
|
bojilova
|
ticketCount = rs.getInt(3);
|
744 |
|
|
if ( ( accessValue & intValue(permission) )==intValue(permission) &&
|
745 |
|
|
( rs.wasNull() || ticketCount > 0 ) ) {
|
746 |
|
|
if ( !rs.wasNull() && ticketCount > 0 ) {
|
747 |
688
|
bojilova
|
decreaseNumberOfAccess(accessValue,principal,resourceID,"allow",permOrder);
|
748 |
570
|
bojilova
|
}
|
749 |
|
|
pstmt.close();
|
750 |
|
|
return true;
|
751 |
|
|
}
|
752 |
|
|
hasRows = rs.next();
|
753 |
|
|
}
|
754 |
688
|
bojilova
|
//System.out.println("Passed the check for \"allow\" access");
|
755 |
570
|
bojilova
|
|
756 |
688
|
bojilova
|
// it is not allowed then check if it is "deny" with "denyFirst"
|
757 |
|
|
// Bind the values to the query
|
758 |
|
|
pstmt.setString(1, resourceID);
|
759 |
|
|
pstmt.setString(2, principal);
|
760 |
|
|
pstmt.setString(3, "deny");
|
761 |
|
|
|
762 |
|
|
pstmt.execute();
|
763 |
|
|
rs = pstmt.getResultSet();
|
764 |
|
|
hasRows = rs.next();
|
765 |
|
|
while ( hasRows ) {
|
766 |
|
|
accessValue = rs.getInt(1);
|
767 |
|
|
permOrder = rs.getString(2);
|
768 |
|
|
ticketCount = rs.getInt(3);
|
769 |
|
|
if ( ( accessValue & intValue(permission) ) == intValue(permission) &&
|
770 |
|
|
( permOrder.equals("denyFirst") ) &&
|
771 |
|
|
( rs.wasNull() || ticketCount > 0 ) ) {
|
772 |
|
|
if ( !rs.wasNull() && ticketCount > 0 ) {
|
773 |
|
|
decreaseNumberOfAccess(accessValue,principal,resourceID,"deny","denyFirst");
|
774 |
|
|
}
|
775 |
|
|
pstmt.close();
|
776 |
|
|
return false;
|
777 |
|
|
}
|
778 |
|
|
hasRows = rs.next();
|
779 |
|
|
}
|
780 |
|
|
//System.out.println("Passed the check for \"deny\" access wirh \"denyFirst\"");
|
781 |
570
|
bojilova
|
|
782 |
|
|
pstmt.close();
|
783 |
|
|
return false;
|
784 |
|
|
|
785 |
|
|
} catch (SQLException e) {
|
786 |
|
|
throw new
|
787 |
688
|
bojilova
|
SQLException("AccessControlList.hasPermission(). " +
|
788 |
|
|
"Error checking " + permission + " permission for " +
|
789 |
|
|
principal + " on document #" + resourceID + ". " +
|
790 |
|
|
e.getMessage());
|
791 |
555
|
bojilova
|
}
|
792 |
570
|
bojilova
|
}
|
793 |
|
|
|
794 |
|
|
return false;
|
795 |
|
|
}
|
796 |
555
|
bojilova
|
|
797 |
688
|
bojilova
|
/* Decrease the number of access to @resourceID for @principal in db. */
|
798 |
570
|
bojilova
|
private void decreaseNumberOfAccess(int permission, String principal,
|
799 |
688
|
bojilova
|
String resourceID, String permType,
|
800 |
|
|
String permOrder)
|
801 |
570
|
bojilova
|
throws SQLException
|
802 |
|
|
{
|
803 |
|
|
PreparedStatement pstmt;
|
804 |
|
|
pstmt = conn.prepareStatement(
|
805 |
|
|
"UPDATE xml_access SET ticket_count = ticket_count - 1 " +
|
806 |
|
|
"WHERE docid LIKE ? " +
|
807 |
|
|
"AND principal_name LIKE ? " +
|
808 |
|
|
"AND permission LIKE ? " +
|
809 |
688
|
bojilova
|
"AND perm_type LIKE ? " +
|
810 |
|
|
"AND perm_order LIKE ? " +
|
811 |
570
|
bojilova
|
"AND sysdate BETWEEN nvl(begin_time,sysdate) " +
|
812 |
688
|
bojilova
|
"AND nvl(end_time,sysdate)");
|
813 |
570
|
bojilova
|
// Bind the values to the query
|
814 |
665
|
bojilova
|
pstmt.setString(1, resourceID);
|
815 |
570
|
bojilova
|
pstmt.setString(2, principal);
|
816 |
|
|
pstmt.setInt(3, permission);
|
817 |
|
|
pstmt.setString(4, permType);
|
818 |
688
|
bojilova
|
pstmt.setString(5, permOrder);
|
819 |
570
|
bojilova
|
|
820 |
|
|
pstmt.execute();
|
821 |
|
|
pstmt.close();
|
822 |
|
|
}
|
823 |
|
|
|
824 |
688
|
bojilova
|
|
825 |
|
|
/**
|
826 |
|
|
* Get Access Control List information for document from db connetion.
|
827 |
|
|
* User or Group should have permissions for reading
|
828 |
|
|
* access control information for a document specified by @docid.
|
829 |
|
|
* @param docid document identifier which acl info to get
|
830 |
|
|
* @param user name of user connected to Metacat system
|
831 |
|
|
* @param group name of user's group to which user belongs
|
832 |
|
|
*/
|
833 |
|
|
public String getACL(String docid, String user, String group)
|
834 |
|
|
throws SQLException
|
835 |
570
|
bojilova
|
{
|
836 |
688
|
bojilova
|
StringBuffer output = new StringBuffer();
|
837 |
|
|
StringBuffer outTemp = new StringBuffer();
|
838 |
|
|
MetaCatUtil util = new MetaCatUtil();
|
839 |
|
|
String accDoctype = util.getOption("accessdoctype");
|
840 |
|
|
String server = util.getOption("server");
|
841 |
|
|
String docurl = "metacat://" + server + "/?docid=" + docid;
|
842 |
|
|
String systemID;
|
843 |
|
|
boolean isOwned = false;
|
844 |
|
|
boolean hasPermission = false;
|
845 |
|
|
String publicAcc;
|
846 |
570
|
bojilova
|
|
847 |
688
|
bojilova
|
String acfid = "";
|
848 |
|
|
String acfid_prev = "";
|
849 |
|
|
String principal;
|
850 |
|
|
Vector principalArr = new Vector();
|
851 |
|
|
int permission;
|
852 |
|
|
int perm_prev = -1;
|
853 |
|
|
String permType;
|
854 |
|
|
String permOrder = "";
|
855 |
|
|
String permOrder_prev = "";
|
856 |
|
|
String beginTime = "";
|
857 |
|
|
String begin_prev = "";
|
858 |
|
|
String endTime = "";
|
859 |
|
|
String end_prev = "";
|
860 |
|
|
int ticketCount = -1;
|
861 |
|
|
int ticket_prev = -1;
|
862 |
|
|
|
863 |
638
|
bojilova
|
try {
|
864 |
688
|
bojilova
|
|
865 |
|
|
isOwned = isOwned(docid, user);
|
866 |
|
|
systemID = getSystemID(accDoctype);
|
867 |
|
|
publicAcc = getPublicAccess(docid);
|
868 |
|
|
|
869 |
|
|
output.append("<?xml version=\"1.0\"?>\n");
|
870 |
|
|
output.append("<!DOCTYPE acl PUBLIC \"" + accDoctype + "\" \"" +
|
871 |
|
|
systemID + "\">\n");
|
872 |
|
|
output.append("<acl authSystem=\"\">\n");
|
873 |
|
|
|
874 |
|
|
PreparedStatement pstmt;
|
875 |
|
|
pstmt = conn.prepareStatement(
|
876 |
|
|
"SELECT distinct accessfileid, principal_name, permission, " +
|
877 |
|
|
"perm_type, perm_order, to_char(begin_time,'mm/dd/yyyy'), " +
|
878 |
|
|
"to_char(end_time,'mm/dd/yyyy'), ticket_count " +
|
879 |
|
|
"FROM xml_access WHERE docid LIKE ? " +
|
880 |
|
|
"ORDER BY accessfileid, perm_order, perm_type, permission");
|
881 |
|
|
// Bind the values to the query
|
882 |
|
|
pstmt.setString(1, docid);
|
883 |
|
|
pstmt.execute();
|
884 |
|
|
ResultSet rs = pstmt.getResultSet();
|
885 |
|
|
boolean hasRows = rs.next();
|
886 |
|
|
while (hasRows) {
|
887 |
|
|
|
888 |
|
|
acfid = rs.getString(1);
|
889 |
|
|
principal = rs.getString(2);
|
890 |
|
|
permission = rs.getInt(3);
|
891 |
|
|
permType = rs.getString(4);
|
892 |
|
|
permOrder = rs.getString(5);
|
893 |
|
|
beginTime = rs.getString(6);
|
894 |
|
|
endTime = rs.getString(7);
|
895 |
|
|
ticketCount = rs.getInt(8);
|
896 |
|
|
|
897 |
|
|
// if @docid is not owned by @user, only ACL info from that
|
898 |
|
|
// access files to which @user/@group has "read" permission
|
899 |
|
|
// is extracted
|
900 |
|
|
if ( !isOwned ) {
|
901 |
|
|
if ( !acfid.equals(acfid_prev) ) {
|
902 |
|
|
acfid_prev = acfid;
|
903 |
|
|
hasPermission = hasPermission("READ",user,acfid);
|
904 |
|
|
if ( !hasPermission && group != null ) {
|
905 |
|
|
hasPermission = hasPermission("READ",group,acfid);
|
906 |
|
|
}
|
907 |
|
|
}
|
908 |
|
|
if ( !hasPermission ) {
|
909 |
|
|
rs.next();
|
910 |
|
|
continue;
|
911 |
|
|
}
|
912 |
|
|
}
|
913 |
|
|
|
914 |
|
|
// open <resource> tag
|
915 |
|
|
if ( !permOrder.equals(permOrder_prev) ) {
|
916 |
|
|
// close </resource> tag if any was opened
|
917 |
|
|
output.append(outTemp.toString());
|
918 |
|
|
outTemp = new StringBuffer();
|
919 |
|
|
if ( !permOrder_prev.equals("") ) {
|
920 |
|
|
output.append(" </resource>\n");
|
921 |
|
|
}
|
922 |
|
|
output.append(" <resource order=\"" + permOrder + "\" public=\"" +
|
923 |
|
|
publicAcc + "\">\n");
|
924 |
|
|
output.append(" <resourceIdentifier>" + docurl +
|
925 |
|
|
"</resourceIdentifier>\n");
|
926 |
|
|
permOrder_prev = permOrder;
|
927 |
|
|
}
|
928 |
|
|
|
929 |
|
|
// close </allow> or </deny> tag then open new one
|
930 |
|
|
if ( permission != perm_prev ||
|
931 |
|
|
(endTime == null) && (end_prev != null) ||
|
932 |
|
|
(beginTime == null) && (begin_prev != null) ||
|
933 |
|
|
endTime != null && !endTime.equals(end_prev) ||
|
934 |
|
|
beginTime != null && !beginTime.equals(begin_prev) ||
|
935 |
|
|
ticketCount != ticket_prev ) {
|
936 |
|
|
output.append(outTemp.toString());
|
937 |
|
|
outTemp = new StringBuffer();
|
938 |
|
|
principalArr.removeAllElements();
|
939 |
|
|
output.append(" <" + permType + ">\n");
|
940 |
|
|
}
|
941 |
|
|
|
942 |
|
|
// put all principals here for the same
|
943 |
|
|
// permission, duration and ticket_count
|
944 |
|
|
if ( !principalArr.contains(principal) ) {
|
945 |
|
|
principalArr.addElement(principal);
|
946 |
|
|
output.append(" <principal>" + principal + "</principal>\n");
|
947 |
|
|
}
|
948 |
|
|
|
949 |
|
|
// prepare <permission> tags, <duration> and <ticketCount>
|
950 |
|
|
// if any to put within <allow> (<deny>) by next cicle
|
951 |
|
|
if ( permission != perm_prev ||
|
952 |
|
|
(endTime == null) && (end_prev != null) ||
|
953 |
|
|
(beginTime == null) && (begin_prev != null) ||
|
954 |
|
|
endTime != null && !endTime.equals(end_prev) ||
|
955 |
|
|
beginTime != null && !beginTime.equals(begin_prev) ||
|
956 |
|
|
ticketCount != ticket_prev ) {
|
957 |
|
|
if ( (permission & READ) != 0 ) {
|
958 |
|
|
outTemp.append(" <permission>read</permission>\n");
|
959 |
|
|
}
|
960 |
|
|
if ( (permission & WRITE) != 0 ) {
|
961 |
|
|
outTemp.append(" <permission>write</permission>\n");
|
962 |
|
|
}
|
963 |
|
|
if ( (permission & ALL) != 0 ) {
|
964 |
|
|
outTemp.append(" <permission>all</permission>\n");
|
965 |
|
|
}
|
966 |
|
|
if ( (beginTime != null) || (endTime != null) ) {
|
967 |
|
|
outTemp.append(" <duration>" + beginTime + " " + endTime +
|
968 |
|
|
"</duration>\n");
|
969 |
|
|
}
|
970 |
|
|
if ( ticketCount > 0 ) {
|
971 |
|
|
outTemp.append(" <ticketCount>" + ticketCount +
|
972 |
|
|
"</ticketCount>\n");
|
973 |
|
|
}
|
974 |
|
|
outTemp.append(" </" + permType + ">\n");
|
975 |
|
|
perm_prev = permission;
|
976 |
|
|
ticket_prev = ticketCount;
|
977 |
|
|
begin_prev = beginTime;
|
978 |
|
|
end_prev = endTime;
|
979 |
|
|
}
|
980 |
|
|
|
981 |
|
|
hasRows = rs.next();
|
982 |
652
|
bojilova
|
}
|
983 |
688
|
bojilova
|
|
984 |
|
|
// close <allow> or <deny> if anything left in outTemp var
|
985 |
|
|
output.append(outTemp.toString());
|
986 |
|
|
|
987 |
|
|
// If there are no any acl info for @docid accessible by @user/@group,
|
988 |
|
|
// extract only the following information
|
989 |
|
|
if ( permOrder.equals("") ) {
|
990 |
|
|
output.append(" <resource public=\"" + publicAcc + "\">\n");
|
991 |
|
|
output.append(" <resourceIdentifier>" + docurl +
|
992 |
|
|
"</resourceIdentifier>\n");
|
993 |
|
|
}
|
994 |
|
|
|
995 |
|
|
// always close them
|
996 |
|
|
output.append(" </resource>\n");
|
997 |
|
|
output.append("</acl>\n");
|
998 |
|
|
|
999 |
|
|
pstmt.close();
|
1000 |
|
|
|
1001 |
|
|
return output.toString();
|
1002 |
|
|
|
1003 |
|
|
} catch (SQLException e) {
|
1004 |
|
|
throw new
|
1005 |
|
|
SQLException("AccessControlList.getACL(). " + e.getMessage());
|
1006 |
638
|
bojilova
|
}
|
1007 |
688
|
bojilova
|
}
|
1008 |
|
|
|
1009 |
|
|
/* Check if @user is owner of @docid from db conn. */
|
1010 |
|
|
private boolean isOwned(String docid, String user) throws SQLException {
|
1011 |
|
|
|
1012 |
|
|
PreparedStatement pstmt;
|
1013 |
|
|
pstmt = conn.prepareStatement("SELECT 'x' FROM xml_documents " +
|
1014 |
|
|
"WHERE docid LIKE ? " +
|
1015 |
|
|
"AND user_owner LIKE ?");
|
1016 |
|
|
pstmt.setString(1, docid);
|
1017 |
|
|
pstmt.setString(2, user);
|
1018 |
|
|
pstmt.execute();
|
1019 |
|
|
ResultSet rs = pstmt.getResultSet();
|
1020 |
|
|
boolean hasRow = rs.next();
|
1021 |
|
|
|
1022 |
|
|
return hasRow;
|
1023 |
|
|
}
|
1024 |
652
|
bojilova
|
|
1025 |
688
|
bojilova
|
/* Get the flag for public "read" access for @docid from db conn. */
|
1026 |
|
|
private String getPublicAccess(String docid) throws SQLException {
|
1027 |
|
|
|
1028 |
|
|
int publicAcc = 0;
|
1029 |
|
|
PreparedStatement pstmt;
|
1030 |
|
|
pstmt = conn.prepareStatement("SELECT public_access FROM xml_documents " +
|
1031 |
|
|
"WHERE docid LIKE ?");
|
1032 |
|
|
pstmt.setString(1, docid);
|
1033 |
|
|
pstmt.execute();
|
1034 |
|
|
ResultSet rs = pstmt.getResultSet();
|
1035 |
|
|
boolean hasRow = rs.next();
|
1036 |
|
|
if ( hasRow ) {
|
1037 |
|
|
publicAcc = rs.getInt(1);
|
1038 |
|
|
}
|
1039 |
|
|
|
1040 |
|
|
return (publicAcc == 1) ? "yes" : "no";
|
1041 |
|
|
}
|
1042 |
|
|
|
1043 |
|
|
/* Get SystemID for @publicID from Metacat DB Catalog. */
|
1044 |
|
|
private String getSystemID(String publicID) throws SQLException {
|
1045 |
|
|
|
1046 |
|
|
String systemID = "";
|
1047 |
|
|
PreparedStatement pstmt;
|
1048 |
|
|
pstmt = conn.prepareStatement("SELECT system_id FROM xml_catalog " +
|
1049 |
|
|
"WHERE entry_type = 'DTD' " +
|
1050 |
|
|
"AND public_id LIKE ?");
|
1051 |
|
|
pstmt.setString(1, publicID);
|
1052 |
|
|
pstmt.execute();
|
1053 |
|
|
ResultSet rs = pstmt.getResultSet();
|
1054 |
|
|
boolean hasRow = rs.next();
|
1055 |
|
|
if ( hasRow ) {
|
1056 |
|
|
systemID = rs.getString(1);
|
1057 |
|
|
}
|
1058 |
|
|
|
1059 |
|
|
return systemID;
|
1060 |
|
|
}
|
1061 |
|
|
|
1062 |
555
|
bojilova
|
}
|