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/**
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* '$RCSfile$'
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* Purpose: A class that handles checking permssision for a document
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sgarg
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and subtree in a document
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*
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tao
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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: Chad Berkley
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*
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* '$Author$'
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* '$Date$'
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* '$Revision$'
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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.sql.*;
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import java.util.Enumeration;
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import java.util.Hashtable;
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import java.util.Stack;
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import java.util.Vector;
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import java.util.Iterator;
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import org.apache.log4j.Logger;
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daigle
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import edu.ucsb.nceas.metacat.service.PropertyService;
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import edu.ucsb.nceas.metacat.util.MetaCatUtil;
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import edu.ucsb.nceas.utilities.PropertyNotFoundException;
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public class PermissionController
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{
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private String docId = null;
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private boolean hasSubTreeAccessControl = false; // flag if has a subtree
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// access for this docid
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private Vector subTreeList = new Vector();
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sgarg
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private long TOPLEVELSTARTNODEID = 0; //if start node is 0, means it is top
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//level document
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private static Logger logMetacat = Logger.getLogger(PermissionController.class);
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sgarg
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/**
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* Constructor for PermissionController
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* @param myDocid the docid need to access
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*/
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public PermissionController(String myDocid) throws McdbException
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{
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// Get rid of rev number
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docId = MetaCatUtil.getSmartDocId(myDocid);
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//hasSubTreeAccessControl = checkSubTreeAccessControl();
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}
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/**
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* Constructor for PermssionController
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* @param myDocid String
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* @param needDeleteRev boolean
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*/
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public PermissionController(String myDocid, boolean needDeleteRevFromDocid)
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{
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if (!needDeleteRevFromDocid)
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{
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docId = myDocid;
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}
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else
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{
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docId = MetaCatUtil.getDocIdFromAccessionNumber(myDocid);
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}
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}
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/**
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* Return if a document has subtree access control
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*/
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public boolean hasSubTreeAccessControl()
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{
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return hasSubTreeAccessControl;
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}
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/**
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* Check from db connection if at least one of the list of @principals
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* @param user the user name
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* @param groups the groups which the use is in
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* @param myPermission permission type to check for
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*/
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public boolean hasPermission(String user, String[]groups, String myPermission)
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throws SQLException, Exception
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{
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boolean hasPermission=false;
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String [] userPackage=null;
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int permission =AccessControlList.intValue(myPermission);
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//for the commnad line invocation
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if ((user==null) && (groups==null || groups.length==0))
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{
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return true;
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}
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//create a userpackage including user, public and group member
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userPackage=createUsersPackage(user, groups);
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//if the requested document is access documents and requested permission
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//is "write", the user should have "all" right
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if (isAccessDocument(docId) && (permission == AccessControlInterface.WRITE))
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{
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hasPermission = hasPermission(userPackage,docId, 7);// 7 is all permission
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}//if
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else //in other situation, just check the request permission
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{
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// Check for @permission on @docid for @user and/or @groups
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hasPermission = hasPermission(userPackage,docId, permission);
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}//else
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sgarg
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return hasPermission;
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}
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/**
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* Check from db connection if the users in String array @principals has
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* @permission on @docid*
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* @param principals, names in userPakcage need to check for @permission
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* @param docid, document identifier to check on
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* @param permission, permission (write or all...) to check for
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*/
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private boolean hasPermission(String [] principals, String docId,
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int permission)
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throws SQLException
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{
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long startId = TOPLEVELSTARTNODEID;// this is for top level, so startid is 0
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try
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{
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//first, if there is a docid owner in user package, return true
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//because doc owner has all permssion
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if (containDocumentOwner(principals, docId))
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{
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return true;
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}
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sgarg
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//If there is no owner in user package, checking the table
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//check perm_order
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if (isAllowFirst(principals, docId, startId))
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{
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sgarg
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if (hasExplicitDenyRule(principals, docId, permission, startId))
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{
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//if it is allowfirst and has deny rule(either explicit )
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//deny access
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sgarg
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1425
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return false;
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}//if
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tao
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else if ( hasAllowRule(principals, docId, permission, startId))
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{
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//if it is allowfirst and hasn't deny rule and has allow rule
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//allow access
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sgarg
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return true;
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}//else if
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else
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{
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178 |
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//other situation deny access
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sgarg
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1425
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tao
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return false;
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181 |
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}//else
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182 |
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}//if isAllowFirst
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183 |
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else //denyFirst
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184 |
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{
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185 |
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tao
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if (hasAllowRule(principals, docId, permission, startId))
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186 |
1425
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tao
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{
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187 |
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//if it is denyFirst and has allow rule, allow access
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188 |
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return true;
|
189 |
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}
|
190 |
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else
|
191 |
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{
|
192 |
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//if it is denyfirst but no allow rule, deny access
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193 |
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return false;
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194 |
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}
|
195 |
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}//else denyfirst
|
196 |
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}//try
|
197 |
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catch (Exception e)
|
198 |
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{
|
199 |
2663
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sgarg
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logMetacat.warn("There is a exception in hasPermission method: "
|
200 |
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+e.getMessage());
|
201 |
1425
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tao
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}
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202 |
2245
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sgarg
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203 |
1425
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tao
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return false;
|
204 |
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}//hasPermission
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205 |
2245
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sgarg
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206 |
1425
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tao
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/**
|
207 |
2245
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sgarg
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* Method to check if a person has permission to a inline data file
|
208 |
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* @param user String
|
209 |
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* @param groups String[]
|
210 |
|
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* @param myPermission String
|
211 |
|
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* @param inlineDataId String
|
212 |
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* @throws McdbException
|
213 |
|
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* @return boolean
|
214 |
|
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*/
|
215 |
|
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private boolean hasPermissionForInlineData(String user, String[] groups,
|
216 |
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String myPermission, String inlineDataId)
|
217 |
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throws Exception
|
218 |
|
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{
|
219 |
|
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// this method can call the public method - hasPermission(...)
|
220 |
|
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// the only difference is about the ownership, you couldn't find the owner
|
221 |
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// from inlinedataId directly. You should get it from eml document itself
|
222 |
|
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String []userPackage = createUsersPackage(user, groups);
|
223 |
|
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if (containDocumentOwner(userPackage, docId))
|
224 |
|
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{
|
225 |
|
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return true;
|
226 |
|
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}
|
227 |
|
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else
|
228 |
|
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{
|
229 |
|
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PermissionController controller =
|
230 |
|
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new PermissionController(inlineDataId, false);
|
231 |
|
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return controller.hasPermission(user, groups, myPermission);
|
232 |
|
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}
|
233 |
|
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}
|
234 |
|
|
|
235 |
|
|
/**
|
236 |
1485
|
tao
|
* The method to determine of a node can be access by a user just by subtree
|
237 |
|
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* access control
|
238 |
|
|
*/
|
239 |
|
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public boolean hasPermissionForSubTreeNode(String user, String[] groups,
|
240 |
|
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String myPermission, long nodeId)
|
241 |
|
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throws McdbException
|
242 |
|
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{
|
243 |
1492
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tao
|
boolean flag = true;
|
244 |
1485
|
tao
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// Get unaccessble subtree for this user
|
245 |
2245
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sgarg
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Hashtable unaccessableSubTree = hasUnaccessableSubTree(user, groups,
|
246 |
1485
|
tao
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myPermission);
|
247 |
|
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Enumeration en = unaccessableSubTree.elements();
|
248 |
|
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while (en.hasMoreElements())
|
249 |
|
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{
|
250 |
|
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SubTree tree = (SubTree)en.nextElement();
|
251 |
|
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long start = tree.getStartNodeId();
|
252 |
|
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long stop = tree.getEndNodeId();
|
253 |
1492
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tao
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// nodeid in unaccessablesubtree, return false
|
254 |
1485
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tao
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if ( nodeId >= start && nodeId <= stop)
|
255 |
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{
|
256 |
1492
|
tao
|
flag = false;
|
257 |
1485
|
tao
|
break;
|
258 |
|
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}
|
259 |
|
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}
|
260 |
|
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return flag;
|
261 |
|
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}
|
262 |
|
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/**
|
263 |
2245
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sgarg
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* This method will return a hasTable of subtree which user doesn't has the
|
264 |
1434
|
tao
|
* permssion to access
|
265 |
|
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* @param user the user name
|
266 |
|
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* @param groups the groups which the use is in
|
267 |
|
|
* @param myPermission permission type to check for
|
268 |
|
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*/
|
269 |
2245
|
sgarg
|
public Hashtable hasUnaccessableSubTree(String user, String[] groups,
|
270 |
1434
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tao
|
String myPermission) throws McdbException
|
271 |
|
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{
|
272 |
|
|
Hashtable resultUnaccessableSubTree = new Hashtable();
|
273 |
|
|
String [] principals=null;
|
274 |
|
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int permission =AccessControlList.intValue(myPermission);
|
275 |
2245
|
sgarg
|
|
276 |
1434
|
tao
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//for the commnad line invocation return null(no unaccessable subtree)
|
277 |
|
|
if ((user==null) && (groups==null || groups.length==0))
|
278 |
|
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{
|
279 |
|
|
return resultUnaccessableSubTree;
|
280 |
|
|
}
|
281 |
2245
|
sgarg
|
|
282 |
1434
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tao
|
//create a userpackage including user, public and group member
|
283 |
|
|
principals=createUsersPackage(user, groups);
|
284 |
|
|
//for the document owner return null(no unaccessable subtree)
|
285 |
|
|
try
|
286 |
|
|
{
|
287 |
|
|
if (containDocumentOwner(principals, docId))
|
288 |
|
|
{
|
289 |
|
|
return resultUnaccessableSubTree;
|
290 |
|
|
}
|
291 |
|
|
}
|
292 |
|
|
catch (SQLException ee)
|
293 |
|
|
{
|
294 |
|
|
throw new McdbException(ee);
|
295 |
|
|
}
|
296 |
2245
|
sgarg
|
|
297 |
1434
|
tao
|
// go through every subtree which has access control
|
298 |
|
|
for (int i = 0; i< subTreeList.size(); i++)
|
299 |
|
|
{
|
300 |
|
|
SubTree tree = (SubTree)subTreeList.elementAt(i);
|
301 |
1527
|
tao
|
long startId = tree.getStartNodeId();
|
302 |
2245
|
sgarg
|
|
303 |
|
|
|
304 |
1434
|
tao
|
try
|
305 |
|
|
{
|
306 |
1527
|
tao
|
if (isAllowFirst(principals, docId, startId))
|
307 |
1434
|
tao
|
{
|
308 |
2245
|
sgarg
|
|
309 |
1527
|
tao
|
if (hasExplicitDenyRule(principals, docId, permission, startId ))
|
310 |
1434
|
tao
|
{
|
311 |
2245
|
sgarg
|
|
312 |
1434
|
tao
|
//if it is allowfirst and has deny rule
|
313 |
|
|
// put the subtree into unaccessable vector
|
314 |
1527
|
tao
|
if (!resultUnaccessableSubTree.containsKey(new Long(startId)))
|
315 |
1434
|
tao
|
{
|
316 |
1527
|
tao
|
resultUnaccessableSubTree.put(new Long(startId), tree);
|
317 |
1434
|
tao
|
}
|
318 |
|
|
}//if
|
319 |
1527
|
tao
|
else if ( hasAllowRule(principals, docId, permission, startId))
|
320 |
1434
|
tao
|
{
|
321 |
|
|
//if it is allowfirst and hasn't deny rule and has allow rule
|
322 |
|
|
//allow access do nothing
|
323 |
2245
|
sgarg
|
|
324 |
1434
|
tao
|
}//else if
|
325 |
|
|
else
|
326 |
|
|
{
|
327 |
|
|
//other situation deny access
|
328 |
1527
|
tao
|
if (!resultUnaccessableSubTree.containsKey(new Long(startId)))
|
329 |
1434
|
tao
|
{
|
330 |
1527
|
tao
|
resultUnaccessableSubTree.put(new Long(startId), tree);
|
331 |
1434
|
tao
|
}
|
332 |
2245
|
sgarg
|
|
333 |
1434
|
tao
|
}//else
|
334 |
|
|
}//if isAllowFirst
|
335 |
|
|
else //denyFirst
|
336 |
|
|
{
|
337 |
1527
|
tao
|
if (hasAllowRule(principals, docId, permission,startId))
|
338 |
1434
|
tao
|
{
|
339 |
|
|
//if it is denyFirst and has allow rule, allow access, do nothing
|
340 |
2245
|
sgarg
|
|
341 |
1434
|
tao
|
}
|
342 |
|
|
else
|
343 |
|
|
{
|
344 |
|
|
//if it is denyfirst but no allow rule, deny access
|
345 |
|
|
// add into vector
|
346 |
1527
|
tao
|
if (!resultUnaccessableSubTree.containsKey(new Long(startId)))
|
347 |
1434
|
tao
|
{
|
348 |
1527
|
tao
|
resultUnaccessableSubTree.put(new Long(startId), tree);
|
349 |
1434
|
tao
|
}
|
350 |
|
|
}
|
351 |
|
|
}//else denyfirst
|
352 |
|
|
}//try
|
353 |
|
|
catch( Exception e)
|
354 |
|
|
{
|
355 |
2663
|
sgarg
|
logMetacat.error("error in PermissionControl.has" +
|
356 |
|
|
"UnaccessableSubTree "+e.getMessage());
|
357 |
1434
|
tao
|
throw new McdbException(e);
|
358 |
|
|
}
|
359 |
2245
|
sgarg
|
|
360 |
1434
|
tao
|
}//for
|
361 |
2245
|
sgarg
|
// merge the subtree if a subtree is another subtree'subtree
|
362 |
1521
|
tao
|
resultUnaccessableSubTree = mergeEquivalentSubtree(resultUnaccessableSubTree);
|
363 |
1434
|
tao
|
return resultUnaccessableSubTree;
|
364 |
|
|
}//hasUnaccessableSubtree
|
365 |
2245
|
sgarg
|
|
366 |
|
|
|
367 |
|
|
/*
|
368 |
1513
|
tao
|
* A method to merge nested subtree into bigger one. For example subtree b
|
369 |
|
|
* is a subtree of subtree a. And user doesn't have read permission for both
|
370 |
|
|
* so we only use subtree a is enough.
|
371 |
|
|
*/
|
372 |
1521
|
tao
|
private Hashtable mergeEquivalentSubtree(Hashtable unAccessSubTree)
|
373 |
1513
|
tao
|
{
|
374 |
|
|
Hashtable newSubTreeHash = new Hashtable();
|
375 |
|
|
boolean needDelete = false;
|
376 |
|
|
// check the parameters
|
377 |
|
|
if (unAccessSubTree == null || unAccessSubTree.isEmpty())
|
378 |
|
|
{
|
379 |
|
|
return newSubTreeHash;
|
380 |
|
|
}
|
381 |
|
|
else
|
382 |
|
|
{
|
383 |
|
|
// look every subtree start point and stop point, to see if it is embedded
|
384 |
|
|
// in another one. If embedded, they are equavelent and we can use bigger
|
385 |
|
|
// one to replace smaller one
|
386 |
|
|
Enumeration en = unAccessSubTree.elements();
|
387 |
|
|
while (en.hasMoreElements())
|
388 |
|
|
{
|
389 |
|
|
SubTree tree = (SubTree)en.nextElement();
|
390 |
|
|
String treeId = tree.getSubTreeId();
|
391 |
|
|
long startId = tree.getStartNodeId();
|
392 |
|
|
long endId = tree.getEndNodeId();
|
393 |
2245
|
sgarg
|
|
394 |
1513
|
tao
|
Enumeration enu = unAccessSubTree.elements();
|
395 |
|
|
while (enu.hasMoreElements())
|
396 |
|
|
{
|
397 |
|
|
SubTree subTree = (SubTree)enu.nextElement();
|
398 |
|
|
String subTreeId= subTree.getSubTreeId();
|
399 |
|
|
long subTreeStartId = subTree.getStartNodeId();
|
400 |
|
|
long subTreeEndId = subTree.getEndNodeId();
|
401 |
|
|
//compare and if the first subtree is a subtree of the second
|
402 |
|
|
// one, set neeDelete true
|
403 |
|
|
if (startId > subTreeStartId && endId < subTreeEndId)
|
404 |
|
|
{
|
405 |
|
|
needDelete = true;
|
406 |
2663
|
sgarg
|
logMetacat.info("the subtree: "+ treeId +
|
407 |
1513
|
tao
|
" need to be get rid of from unaccessable"+
|
408 |
|
|
" subtree list becuase it is a subtree of"+
|
409 |
2663
|
sgarg
|
" another subtree in the list");
|
410 |
1513
|
tao
|
break;
|
411 |
|
|
}//if
|
412 |
|
|
}//while
|
413 |
|
|
// if not need to delete, put the subtree into hash
|
414 |
|
|
if (!needDelete)
|
415 |
|
|
{
|
416 |
1527
|
tao
|
newSubTreeHash.put(new Long(startId), tree);
|
417 |
1513
|
tao
|
}
|
418 |
|
|
//reset needDelete
|
419 |
|
|
needDelete = false;
|
420 |
|
|
}//while
|
421 |
|
|
return newSubTreeHash;
|
422 |
|
|
}//else
|
423 |
|
|
}
|
424 |
2245
|
sgarg
|
|
425 |
1434
|
tao
|
/**
|
426 |
4080
|
daigle
|
* Check if a document id is a access document. Access document need user
|
427 |
|
|
* has "all" permission to access it.
|
428 |
|
|
*
|
429 |
|
|
* @param docId,
|
430 |
|
|
* the document id need to be checked
|
431 |
|
|
*/
|
432 |
|
|
private boolean isAccessDocument(String docId) throws SQLException {
|
433 |
|
|
// detele the rev number if docid contains it
|
434 |
|
|
docId = MetaCatUtil.getDocIdFromString(docId);
|
435 |
|
|
PreparedStatement pStmt = null;
|
436 |
|
|
DBConnection conn = null;
|
437 |
|
|
int serialNumber = -1;
|
438 |
|
|
try {
|
439 |
|
|
// check out DBConnection
|
440 |
|
|
conn = DBConnectionPool.getDBConnection("PermissionControl.isAccessDoc");
|
441 |
|
|
serialNumber = conn.getCheckOutSerialNumber();
|
442 |
|
|
pStmt = conn.prepareStatement("select doctype from xml_documents where "
|
443 |
|
|
+ "docid like '" + docId + "'");
|
444 |
|
|
pStmt.execute();
|
445 |
|
|
ResultSet rs = pStmt.getResultSet();
|
446 |
|
|
boolean hasRow = rs.next();
|
447 |
|
|
String doctype = null;
|
448 |
|
|
if (hasRow) {
|
449 |
|
|
doctype = rs.getString(1);
|
450 |
2245
|
sgarg
|
|
451 |
4080
|
daigle
|
}
|
452 |
|
|
pStmt.close();
|
453 |
2245
|
sgarg
|
|
454 |
4080
|
daigle
|
// if it is an access document
|
455 |
|
|
if (doctype != null
|
456 |
|
|
&& ((MetaCatUtil.getOptionList(PropertyService
|
457 |
4213
|
daigle
|
.getProperty("xml.accessdoctype")).contains(doctype)))) {
|
458 |
2245
|
sgarg
|
|
459 |
4080
|
daigle
|
return true;
|
460 |
|
|
}
|
461 |
2245
|
sgarg
|
|
462 |
4080
|
daigle
|
} catch (SQLException e) {
|
463 |
|
|
throw new SQLException("PermissionControl.isAccessDocument "
|
464 |
|
|
+ "Error checking" + " on document " + docId + ". " + e.getMessage());
|
465 |
|
|
} catch (PropertyNotFoundException pnfe) {
|
466 |
|
|
throw new SQLException("PermissionControl.isAccessDocument "
|
467 |
|
|
+ "Error checking" + " on document " + docId + ". " + pnfe.getMessage());
|
468 |
|
|
} finally {
|
469 |
|
|
try {
|
470 |
|
|
pStmt.close();
|
471 |
|
|
} finally {
|
472 |
|
|
DBConnectionPool.returnDBConnection(conn, serialNumber);
|
473 |
|
|
}
|
474 |
|
|
}
|
475 |
2245
|
sgarg
|
|
476 |
4080
|
daigle
|
return false;
|
477 |
|
|
}// isAccessDocument
|
478 |
2245
|
sgarg
|
|
479 |
|
|
|
480 |
|
|
|
481 |
1425
|
tao
|
/**
|
482 |
4080
|
daigle
|
* Check if a stirng array contains a given documents' owner
|
483 |
|
|
*
|
484 |
|
|
* @param principals,
|
485 |
|
|
* a string array storing the username, groups name and public.
|
486 |
|
|
* @param docid,
|
487 |
|
|
* the id of given documents
|
488 |
|
|
*/
|
489 |
1434
|
tao
|
private boolean containDocumentOwner( String[] principals, String docId)
|
490 |
1425
|
tao
|
throws SQLException
|
491 |
|
|
{
|
492 |
|
|
int lengthOfArray=principals.length;
|
493 |
2245
|
sgarg
|
boolean hasRow;
|
494 |
1425
|
tao
|
PreparedStatement pStmt=null;
|
495 |
|
|
DBConnection conn = null;
|
496 |
|
|
int serialNumber = -1;
|
497 |
2245
|
sgarg
|
|
498 |
1425
|
tao
|
try
|
499 |
|
|
{
|
500 |
|
|
//check out DBConnection
|
501 |
1434
|
tao
|
conn=DBConnectionPool.getDBConnection("PermissionControl.containDocOnwer");
|
502 |
1425
|
tao
|
serialNumber=conn.getCheckOutSerialNumber();
|
503 |
|
|
pStmt = conn.prepareStatement(
|
504 |
|
|
"SELECT 'x' FROM xml_documents " +
|
505 |
2245
|
sgarg
|
"WHERE docid = ? AND lower(user_owner) = ?");
|
506 |
1425
|
tao
|
//check every element in the string array too see if it conatains
|
507 |
|
|
//the owner of document
|
508 |
|
|
for (int i=0; i<lengthOfArray; i++)
|
509 |
|
|
{
|
510 |
2245
|
sgarg
|
|
511 |
1425
|
tao
|
// Bind the values to the query
|
512 |
|
|
pStmt.setString(1, docId);
|
513 |
|
|
pStmt.setString(2, principals[i]);
|
514 |
2663
|
sgarg
|
logMetacat.info("the principle stack is : " +
|
515 |
|
|
principals[i]);
|
516 |
1425
|
tao
|
|
517 |
|
|
pStmt.execute();
|
518 |
|
|
ResultSet rs = pStmt.getResultSet();
|
519 |
|
|
hasRow = rs.next();
|
520 |
2245
|
sgarg
|
if (hasRow)
|
521 |
1425
|
tao
|
{
|
522 |
|
|
pStmt.close();
|
523 |
2663
|
sgarg
|
logMetacat.info("find the owner");
|
524 |
1425
|
tao
|
return true;
|
525 |
2245
|
sgarg
|
}//if
|
526 |
|
|
|
527 |
1425
|
tao
|
}//for
|
528 |
|
|
}//try
|
529 |
2245
|
sgarg
|
catch (SQLException e)
|
530 |
1425
|
tao
|
{
|
531 |
|
|
pStmt.close();
|
532 |
2245
|
sgarg
|
|
533 |
|
|
throw new
|
534 |
1434
|
tao
|
SQLException("PermissionControl.hasPermission(). " +
|
535 |
1425
|
tao
|
"Error checking ownership for " + principals[0] +
|
536 |
|
|
" on document #" + docId + ". " + e.getMessage());
|
537 |
|
|
}//catch
|
538 |
|
|
finally
|
539 |
|
|
{
|
540 |
|
|
try
|
541 |
|
|
{
|
542 |
|
|
pStmt.close();
|
543 |
|
|
}
|
544 |
|
|
finally
|
545 |
|
|
{
|
546 |
|
|
DBConnectionPool.returnDBConnection(conn, serialNumber);
|
547 |
|
|
}
|
548 |
|
|
}
|
549 |
2245
|
sgarg
|
return false;
|
550 |
1425
|
tao
|
}//containDocumentOwner
|
551 |
2245
|
sgarg
|
|
552 |
1425
|
tao
|
/**
|
553 |
|
|
* Check if the permission order for user at that documents is allowFirst
|
554 |
2245
|
sgarg
|
* @param principals, list of names of principals to check for
|
555 |
1425
|
tao
|
* @param docid, document identifier to check for
|
556 |
|
|
*/
|
557 |
2245
|
sgarg
|
private boolean isAllowFirst(String [] principals, String docId,
|
558 |
1527
|
tao
|
long startId)
|
559 |
1425
|
tao
|
throws SQLException, Exception
|
560 |
|
|
{
|
561 |
|
|
int lengthOfArray=principals.length;
|
562 |
|
|
boolean hasRow;
|
563 |
|
|
PreparedStatement pStmt = null;
|
564 |
|
|
DBConnection conn = null;
|
565 |
|
|
int serialNumber = -1;
|
566 |
1434
|
tao
|
String sql = null;
|
567 |
|
|
boolean topLever =false;
|
568 |
1527
|
tao
|
if (startId == TOPLEVELSTARTNODEID)
|
569 |
1434
|
tao
|
{
|
570 |
|
|
//top level
|
571 |
|
|
topLever = true;
|
572 |
|
|
sql = "SELECT perm_order FROM xml_access " +
|
573 |
2045
|
tao
|
"WHERE lower(principal_name) = ? AND docid = ? AND startnodeid is NULL";
|
574 |
1434
|
tao
|
}
|
575 |
|
|
else
|
576 |
|
|
{
|
577 |
|
|
//sub tree level
|
578 |
|
|
sql = "SELECT perm_order FROM xml_access " +
|
579 |
2045
|
tao
|
"WHERE lower(principal_name)= ? AND docid = ? AND startnodeid = ?";
|
580 |
1434
|
tao
|
}
|
581 |
2245
|
sgarg
|
|
582 |
1425
|
tao
|
try
|
583 |
|
|
{
|
584 |
|
|
//check out DBConnection
|
585 |
|
|
conn=DBConnectionPool.getDBConnection("AccessControlList.isAllowFirst");
|
586 |
|
|
serialNumber=conn.getCheckOutSerialNumber();
|
587 |
2245
|
sgarg
|
|
588 |
1425
|
tao
|
//select permission order from database
|
589 |
1434
|
tao
|
pStmt = conn.prepareStatement(sql);
|
590 |
2245
|
sgarg
|
|
591 |
1425
|
tao
|
//check every name in the array
|
592 |
|
|
for (int i=0; i<lengthOfArray;i++)
|
593 |
|
|
{
|
594 |
|
|
//bind value
|
595 |
|
|
pStmt.setString(1, principals[i]);//user name
|
596 |
|
|
pStmt.setString(2, docId);//docid
|
597 |
2245
|
sgarg
|
|
598 |
|
|
// if subtree, we need set subtree id
|
599 |
1434
|
tao
|
if (!topLever)
|
600 |
|
|
{
|
601 |
1527
|
tao
|
pStmt.setLong(3, startId);
|
602 |
1434
|
tao
|
}
|
603 |
2245
|
sgarg
|
|
604 |
1425
|
tao
|
pStmt.execute();
|
605 |
|
|
ResultSet rs = pStmt.getResultSet();
|
606 |
|
|
hasRow=rs.next();
|
607 |
|
|
if (hasRow)
|
608 |
|
|
{
|
609 |
|
|
//get the permission order from data base
|
610 |
|
|
String permissionOrder=rs.getString(1);
|
611 |
|
|
//if the permission order is "allowFirst
|
612 |
|
|
if (permissionOrder.equalsIgnoreCase(AccessControlInterface.ALLOWFIRST))
|
613 |
|
|
{
|
614 |
|
|
pStmt.close();
|
615 |
|
|
return true;
|
616 |
|
|
}
|
617 |
|
|
else
|
618 |
|
|
{
|
619 |
|
|
pStmt.close();
|
620 |
|
|
return false;
|
621 |
|
|
}
|
622 |
|
|
}//if
|
623 |
|
|
}//for
|
624 |
|
|
}//try
|
625 |
|
|
catch (SQLException e)
|
626 |
|
|
{
|
627 |
|
|
throw e;
|
628 |
|
|
}
|
629 |
|
|
finally
|
630 |
|
|
{
|
631 |
|
|
try
|
632 |
|
|
{
|
633 |
|
|
pStmt.close();
|
634 |
|
|
}
|
635 |
|
|
finally
|
636 |
|
|
{
|
637 |
|
|
DBConnectionPool.returnDBConnection(conn, serialNumber);
|
638 |
|
|
}
|
639 |
|
|
}
|
640 |
2245
|
sgarg
|
|
641 |
|
|
//if reach here, means there is no permssion record for given names and
|
642 |
1425
|
tao
|
//docid. So throw a exception.
|
643 |
2245
|
sgarg
|
|
644 |
4080
|
daigle
|
throw new Exception("There is no permission record for user"+principals[0]+
|
645 |
|
|
"at document "+docId);
|
646 |
2245
|
sgarg
|
|
647 |
1425
|
tao
|
}//isAllowFirst
|
648 |
2245
|
sgarg
|
|
649 |
4419
|
leinfelder
|
/**
|
650 |
|
|
* Check if the permission order for user at that documents is allowFirst
|
651 |
|
|
* @param principals, list of names of principals to check for
|
652 |
|
|
* @param docid, document identifier to check for
|
653 |
|
|
*/
|
654 |
4485
|
daigle
|
public Vector<AccessControlForSingleFile> getAccessControl()
|
655 |
4419
|
leinfelder
|
throws SQLException, Exception
|
656 |
|
|
{
|
657 |
4485
|
daigle
|
Vector<AccessControlForSingleFile> accessControl = new Vector<AccessControlForSingleFile>();
|
658 |
4419
|
leinfelder
|
boolean hasRow;
|
659 |
|
|
PreparedStatement pStmt = null;
|
660 |
|
|
DBConnection conn = null;
|
661 |
|
|
int serialNumber = -1;
|
662 |
|
|
String sql = null;
|
663 |
|
|
boolean topLever =false;
|
664 |
|
|
sql = "SELECT principal_name, permission, perm_type, perm_order FROM xml_access ";
|
665 |
|
|
|
666 |
|
|
//TODO, need this?
|
667 |
|
|
long startId = 0;
|
668 |
|
|
if (startId == TOPLEVELSTARTNODEID)
|
669 |
|
|
{
|
670 |
|
|
//top level
|
671 |
|
|
topLever = true;
|
672 |
|
|
sql += "WHERE docid = ? AND startnodeid is NULL";
|
673 |
|
|
}
|
674 |
|
|
else
|
675 |
|
|
{
|
676 |
|
|
//sub tree level
|
677 |
|
|
sql += "WHERE docid = ? AND startnodeid = ?";
|
678 |
|
|
}
|
679 |
|
|
|
680 |
|
|
try
|
681 |
|
|
{
|
682 |
|
|
//check out DBConnection
|
683 |
|
|
conn=DBConnectionPool.getDBConnection("AccessControlList.getPermissions");
|
684 |
|
|
serialNumber=conn.getCheckOutSerialNumber();
|
685 |
|
|
|
686 |
|
|
//select permission order from database
|
687 |
|
|
pStmt = conn.prepareStatement(sql);
|
688 |
|
|
|
689 |
|
|
//bind value
|
690 |
|
|
pStmt.setString(1, docId);//docid
|
691 |
|
|
|
692 |
|
|
// if subtree, we need set subtree id
|
693 |
|
|
if (!topLever)
|
694 |
|
|
{
|
695 |
|
|
pStmt.setLong(2, startId);
|
696 |
|
|
}
|
697 |
|
|
|
698 |
|
|
pStmt.execute();
|
699 |
|
|
ResultSet rs = pStmt.getResultSet();
|
700 |
|
|
while (rs.next())
|
701 |
|
|
{
|
702 |
|
|
//get the permission order from data base
|
703 |
|
|
String principalName=rs.getString(1);
|
704 |
|
|
String permission=rs.getString(2);
|
705 |
|
|
String permType=rs.getString(3);
|
706 |
|
|
String permOrder=rs.getString(4);
|
707 |
|
|
|
708 |
4447
|
leinfelder
|
//translate to string version
|
709 |
|
|
String myPermission = AccessControlList.txtValue(Integer.parseInt(permission));
|
710 |
|
|
|
711 |
4419
|
leinfelder
|
//make it into an object
|
712 |
|
|
AccessControlForSingleFile acfsf =
|
713 |
4447
|
leinfelder
|
new AccessControlForSingleFile(docId, principalName, myPermission, permType, permOrder);
|
714 |
4419
|
leinfelder
|
accessControl.add(acfsf);
|
715 |
|
|
}
|
716 |
|
|
pStmt.close();
|
717 |
|
|
}//try
|
718 |
|
|
catch (SQLException e)
|
719 |
|
|
{
|
720 |
|
|
throw e;
|
721 |
|
|
}
|
722 |
|
|
finally
|
723 |
|
|
{
|
724 |
|
|
try
|
725 |
|
|
{
|
726 |
|
|
pStmt.close();
|
727 |
|
|
}
|
728 |
|
|
finally
|
729 |
|
|
{
|
730 |
|
|
DBConnectionPool.returnDBConnection(conn, serialNumber);
|
731 |
|
|
}
|
732 |
|
|
}
|
733 |
|
|
|
734 |
|
|
return accessControl;
|
735 |
|
|
|
736 |
|
|
}//getPermissions
|
737 |
|
|
|
738 |
1425
|
tao
|
/**
|
739 |
2245
|
sgarg
|
* Check if the users array has allow rules for given users, docid and
|
740 |
1425
|
tao
|
* permission.
|
741 |
|
|
* If it has permission rule and ticket count is greater than 0, the ticket
|
742 |
|
|
* number will decrease one for every allow rule
|
743 |
2245
|
sgarg
|
* @param principals, list of names of principals to check for
|
744 |
1425
|
tao
|
* @param docid, document identifier to check for
|
745 |
|
|
* @param permission, the permssion need to check
|
746 |
|
|
*/
|
747 |
2245
|
sgarg
|
private boolean hasAllowRule(String [] principals, String docId,
|
748 |
1527
|
tao
|
int permission, long startId)
|
749 |
1425
|
tao
|
throws SQLException, Exception
|
750 |
|
|
{
|
751 |
|
|
int lengthOfArray=principals.length;
|
752 |
|
|
boolean allow=false;//initial value is no allow rule
|
753 |
|
|
ResultSet rs;
|
754 |
|
|
PreparedStatement pStmt = null;
|
755 |
|
|
int permissionValue=permission;
|
756 |
|
|
int permissionValueInTable;
|
757 |
|
|
int ticketCount;
|
758 |
|
|
DBConnection conn = null;
|
759 |
|
|
int serialNumber = -1;
|
760 |
1434
|
tao
|
boolean topLever = false;
|
761 |
|
|
String sql = null;
|
762 |
1527
|
tao
|
if (startId == TOPLEVELSTARTNODEID)
|
763 |
1434
|
tao
|
{
|
764 |
|
|
// for toplevel
|
765 |
|
|
topLever = true;
|
766 |
2245
|
sgarg
|
sql = "SELECT permission FROM xml_access WHERE docid = ? " +
|
767 |
2045
|
tao
|
"AND lower(principal_name) = ? AND perm_type = ? AND startnodeid is NULL";
|
768 |
1434
|
tao
|
}
|
769 |
|
|
else
|
770 |
|
|
{
|
771 |
|
|
topLever =false;
|
772 |
2245
|
sgarg
|
sql = "SELECT permission FROM xml_access WHERE docid = ? " +
|
773 |
2045
|
tao
|
"AND lower(principal_name) = ? AND perm_type = ? AND startnodeid = ?";
|
774 |
1434
|
tao
|
}
|
775 |
1425
|
tao
|
try
|
776 |
|
|
{
|
777 |
|
|
//check out DBConnection
|
778 |
|
|
conn=DBConnectionPool.getDBConnection("AccessControlList.hasAllowRule");
|
779 |
|
|
serialNumber=conn.getCheckOutSerialNumber();
|
780 |
2245
|
sgarg
|
//This sql statement will select entry with
|
781 |
1425
|
tao
|
//begin_time<=currentTime<=end_time in xml_access table
|
782 |
|
|
//If begin_time or end_time is null in table, isnull(begin_time, sysdate)
|
783 |
|
|
//function will assign begin_time=sysdate
|
784 |
1434
|
tao
|
pStmt = conn.prepareStatement(sql);
|
785 |
1425
|
tao
|
//bind docid, perm_type
|
786 |
|
|
pStmt.setString(1, docId);
|
787 |
|
|
pStmt.setString(3, AccessControlInterface.ALLOW);
|
788 |
2245
|
sgarg
|
|
789 |
1434
|
tao
|
// if subtree lever, need to set subTreeId
|
790 |
|
|
if (!topLever)
|
791 |
|
|
{
|
792 |
1527
|
tao
|
pStmt.setLong(4, startId);
|
793 |
1434
|
tao
|
}
|
794 |
2245
|
sgarg
|
|
795 |
1425
|
tao
|
//bind every elenment in user name array
|
796 |
|
|
for (int i=0;i<lengthOfArray; i++)
|
797 |
|
|
{
|
798 |
|
|
pStmt.setString(2, principals[i]);
|
799 |
|
|
pStmt.execute();
|
800 |
|
|
rs=pStmt.getResultSet();
|
801 |
|
|
while (rs.next())//check every entry for one user
|
802 |
|
|
{
|
803 |
|
|
permissionValueInTable=rs.getInt(1);
|
804 |
2245
|
sgarg
|
|
805 |
|
|
//permission is ok
|
806 |
1425
|
tao
|
//the user have a permission to access the file
|
807 |
|
|
if (( permissionValueInTable & permissionValue )== permissionValue )
|
808 |
|
|
{
|
809 |
2245
|
sgarg
|
|
810 |
1425
|
tao
|
allow=true;//has allow rule entry
|
811 |
|
|
}//if
|
812 |
|
|
}//while
|
813 |
|
|
}//for
|
814 |
|
|
}//try
|
815 |
|
|
catch (SQLException sqlE)
|
816 |
|
|
{
|
817 |
|
|
throw sqlE;
|
818 |
|
|
}
|
819 |
|
|
catch (Exception e)
|
820 |
|
|
{
|
821 |
|
|
throw e;
|
822 |
|
|
}
|
823 |
|
|
finally
|
824 |
|
|
{
|
825 |
|
|
try
|
826 |
|
|
{
|
827 |
|
|
pStmt.close();
|
828 |
|
|
}
|
829 |
|
|
finally
|
830 |
|
|
{
|
831 |
|
|
DBConnectionPool.returnDBConnection(conn, serialNumber);
|
832 |
|
|
}
|
833 |
|
|
}
|
834 |
|
|
return allow;
|
835 |
|
|
}//hasAllowRule
|
836 |
2245
|
sgarg
|
|
837 |
|
|
|
838 |
|
|
|
839 |
1425
|
tao
|
/**
|
840 |
2245
|
sgarg
|
* Check if the users array has explicit deny rules for given users, docid
|
841 |
1425
|
tao
|
* and permission. That means the perm_type is deny and current time is
|
842 |
|
|
* less than end_time and greater than begin time, or no time limit.
|
843 |
2245
|
sgarg
|
* @param principals, list of names of principals to check for
|
844 |
1425
|
tao
|
* @param docid, document identifier to check for
|
845 |
|
|
* @param permission, the permssion need to check
|
846 |
|
|
*/
|
847 |
2245
|
sgarg
|
private boolean hasExplicitDenyRule(String [] principals, String docId,
|
848 |
1527
|
tao
|
int permission, long startId)
|
849 |
1425
|
tao
|
throws SQLException
|
850 |
|
|
{
|
851 |
|
|
int lengthOfArray=principals.length;
|
852 |
|
|
ResultSet rs;
|
853 |
|
|
PreparedStatement pStmt = null;
|
854 |
|
|
int permissionValue=permission;
|
855 |
|
|
int permissionValueInTable;
|
856 |
|
|
DBConnection conn = null;
|
857 |
|
|
int serialNumber = -1;
|
858 |
1434
|
tao
|
String sql = null;
|
859 |
|
|
boolean topLevel = false;
|
860 |
2245
|
sgarg
|
|
861 |
1434
|
tao
|
// decide top level or subtree level
|
862 |
1527
|
tao
|
if (startId == TOPLEVELSTARTNODEID)
|
863 |
1434
|
tao
|
{
|
864 |
|
|
topLevel = true;
|
865 |
2245
|
sgarg
|
sql = "SELECT permission FROM xml_access WHERE docid = ? " +
|
866 |
2045
|
tao
|
"AND lower(principal_name) = ? AND perm_type = ? AND startnodeid is NULL";
|
867 |
1434
|
tao
|
}
|
868 |
|
|
else
|
869 |
|
|
{
|
870 |
|
|
topLevel = false;
|
871 |
2245
|
sgarg
|
sql = "SELECT permission FROM xml_access WHERE docid = ? " +
|
872 |
2045
|
tao
|
"AND lower(principal_name) = ? AND perm_type = ? AND startnodeid = ?";
|
873 |
1434
|
tao
|
}
|
874 |
2245
|
sgarg
|
|
875 |
1425
|
tao
|
try
|
876 |
|
|
{
|
877 |
|
|
//check out DBConnection
|
878 |
1434
|
tao
|
conn=DBConnectionPool.getDBConnection("PermissionControl.hasExplicitDeny");
|
879 |
1425
|
tao
|
serialNumber=conn.getCheckOutSerialNumber();
|
880 |
2245
|
sgarg
|
|
881 |
1434
|
tao
|
pStmt = conn.prepareStatement(sql);
|
882 |
1425
|
tao
|
//bind docid, perm_type
|
883 |
|
|
pStmt.setString(1, docId);
|
884 |
|
|
pStmt.setString(3, AccessControlInterface.DENY);
|
885 |
2245
|
sgarg
|
|
886 |
1434
|
tao
|
// subtree level need to set up subtreeid
|
887 |
|
|
if (!topLevel)
|
888 |
|
|
{
|
889 |
1527
|
tao
|
pStmt.setLong(4, startId);
|
890 |
1434
|
tao
|
}
|
891 |
2245
|
sgarg
|
|
892 |
1425
|
tao
|
//bind every elenment in user name array
|
893 |
|
|
for (int i=0;i<lengthOfArray; i++)
|
894 |
|
|
{
|
895 |
|
|
pStmt.setString(2, principals[i]);
|
896 |
|
|
pStmt.execute();
|
897 |
|
|
rs=pStmt.getResultSet();
|
898 |
|
|
while (rs.next())//check every entry for one user
|
899 |
|
|
{
|
900 |
|
|
permissionValueInTable=rs.getInt(1);
|
901 |
2245
|
sgarg
|
|
902 |
1425
|
tao
|
//permission is ok the user doesn't have permission to access the file
|
903 |
|
|
if (( permissionValueInTable & permissionValue )== permissionValue )
|
904 |
2245
|
sgarg
|
|
905 |
1425
|
tao
|
{
|
906 |
|
|
pStmt.close();
|
907 |
|
|
return true;
|
908 |
|
|
}//if
|
909 |
|
|
}//while
|
910 |
|
|
}//for
|
911 |
|
|
}//try
|
912 |
|
|
catch (SQLException e)
|
913 |
|
|
{
|
914 |
|
|
throw e;
|
915 |
|
|
}//catch
|
916 |
|
|
finally
|
917 |
|
|
{
|
918 |
|
|
try
|
919 |
|
|
{
|
920 |
|
|
pStmt.close();
|
921 |
|
|
}
|
922 |
|
|
finally
|
923 |
|
|
{
|
924 |
|
|
DBConnectionPool.returnDBConnection(conn, serialNumber);
|
925 |
|
|
}
|
926 |
|
|
}//finally
|
927 |
|
|
return false;//no deny rule
|
928 |
2245
|
sgarg
|
}//hasExplicitDenyRule
|
929 |
1425
|
tao
|
|
930 |
2245
|
sgarg
|
|
931 |
1425
|
tao
|
/**
|
932 |
|
|
* Creat a users pakages to check permssion rule, user itself, public and
|
933 |
|
|
* the gourps the user belong will be include in this package
|
934 |
|
|
* @param user, the name of user
|
935 |
|
|
* @param groups, the string array of the groups that user belong to
|
936 |
|
|
*/
|
937 |
|
|
private String[] createUsersPackage(String user, String [] groups)
|
938 |
|
|
{
|
939 |
|
|
String [] usersPackage=null;
|
940 |
|
|
int lengthOfPackage;
|
941 |
2245
|
sgarg
|
|
942 |
1425
|
tao
|
if (groups!=null)
|
943 |
|
|
{
|
944 |
2245
|
sgarg
|
//if gouprs is not null and user is not public, we should create a array
|
945 |
|
|
//to store the groups and user and public.
|
946 |
1425
|
tao
|
//So the length of userPackage is the length of group plus two
|
947 |
|
|
if (!user.equalsIgnoreCase(AccessControlInterface.PUBLIC))
|
948 |
|
|
{
|
949 |
|
|
lengthOfPackage=(groups.length)+2;
|
950 |
|
|
usersPackage=new String [lengthOfPackage];
|
951 |
|
|
//the first two elements is user self and public
|
952 |
2045
|
tao
|
//in order to ignore case sensitive, we transfer user to lower case
|
953 |
|
|
if (user != null)
|
954 |
|
|
{
|
955 |
|
|
usersPackage[0]= user.toLowerCase();
|
956 |
2663
|
sgarg
|
logMetacat.info("after transfer to lower case(not null): "+
|
957 |
|
|
usersPackage[0]);
|
958 |
2045
|
tao
|
}
|
959 |
|
|
else
|
960 |
|
|
{
|
961 |
|
|
usersPackage[0] = user;
|
962 |
|
|
usersPackage[0]= user.toLowerCase();
|
963 |
2663
|
sgarg
|
logMetacat.info("after transfer to lower case(null): "+
|
964 |
|
|
usersPackage[0]);
|
965 |
2045
|
tao
|
}
|
966 |
1425
|
tao
|
usersPackage[1]=AccessControlInterface.PUBLIC;
|
967 |
|
|
//put groups element from index 0 to lengthOfPackage-3 into userPackage
|
968 |
|
|
//from index 2 to lengthOfPackage-1
|
969 |
|
|
for (int i=2; i<lengthOfPackage; i++)
|
970 |
|
|
{
|
971 |
2045
|
tao
|
//tansfer group to lower case too
|
972 |
|
|
if (groups[i-2] != null)
|
973 |
|
|
{
|
974 |
|
|
usersPackage[i]=groups[i-2].toLowerCase();
|
975 |
|
|
}
|
976 |
1425
|
tao
|
} //for
|
977 |
|
|
}//if user!=public
|
978 |
|
|
else//use=public
|
979 |
|
|
{
|
980 |
|
|
lengthOfPackage=(groups.length)+1;
|
981 |
|
|
usersPackage=new String [lengthOfPackage];
|
982 |
|
|
//the first lements is public
|
983 |
|
|
usersPackage[0]=AccessControlInterface.PUBLIC;
|
984 |
|
|
//put groups element from index 0 to lengthOfPackage-2 into userPackage
|
985 |
|
|
//from index 1 to lengthOfPackage-1
|
986 |
|
|
for (int i=1; i<lengthOfPackage; i++)
|
987 |
|
|
{
|
988 |
2045
|
tao
|
if (groups[i-1] != null)
|
989 |
|
|
{
|
990 |
|
|
usersPackage[i]=groups[i-1].toLowerCase();
|
991 |
|
|
}
|
992 |
1425
|
tao
|
} //for
|
993 |
|
|
}//else user=public
|
994 |
2245
|
sgarg
|
|
995 |
1425
|
tao
|
}//if groups!=null
|
996 |
|
|
else
|
997 |
|
|
{
|
998 |
|
|
//because no groups, the userPackage only need two elements
|
999 |
|
|
//one is for user, the other is for public
|
1000 |
|
|
if (!user.equalsIgnoreCase(AccessControlInterface.PUBLIC))
|
1001 |
|
|
{
|
1002 |
|
|
lengthOfPackage=2;
|
1003 |
|
|
usersPackage=new String [lengthOfPackage];
|
1004 |
2045
|
tao
|
if (user != null)
|
1005 |
|
|
{
|
1006 |
|
|
usersPackage[0]=user.toLowerCase();
|
1007 |
|
|
}
|
1008 |
|
|
else
|
1009 |
|
|
{
|
1010 |
|
|
usersPackage[0]=user;
|
1011 |
|
|
}
|
1012 |
1425
|
tao
|
usersPackage[1]=AccessControlInterface.PUBLIC;
|
1013 |
|
|
}//if user!=public
|
1014 |
|
|
else //user==public
|
1015 |
|
|
{
|
1016 |
|
|
//only put public into array
|
1017 |
|
|
lengthOfPackage=1;
|
1018 |
|
|
usersPackage=new String [lengthOfPackage];
|
1019 |
|
|
usersPackage[0]=AccessControlInterface.PUBLIC;
|
1020 |
|
|
}
|
1021 |
|
|
}//else groups==null
|
1022 |
|
|
return usersPackage;
|
1023 |
|
|
}//createUsersPackage
|
1024 |
2245
|
sgarg
|
|
1025 |
|
|
|
1026 |
1425
|
tao
|
/**
|
1027 |
2245
|
sgarg
|
* A static method to get Hashtable which cointains a inlinedata object list that
|
1028 |
|
|
* user can't read it. The key is subtree id of inlinedata, the data is
|
1029 |
|
|
* internal file name for the inline data which is stored as docid
|
1030 |
|
|
* in xml_access table or data object doc id.
|
1031 |
|
|
* @param docidWithoutRev, metadata docid which should be the accessfileid
|
1032 |
|
|
* in the table
|
1033 |
|
|
* @param user , the name of user
|
1034 |
|
|
* @param groups, the group which the user belong to
|
1035 |
1425
|
tao
|
*/
|
1036 |
4466
|
daigle
|
public static Hashtable<String, String> getUnReadableInlineDataIdList(String docidWithoutRev,
|
1037 |
2291
|
sgarg
|
String user, String[] groups,
|
1038 |
|
|
boolean withRevision)
|
1039 |
2245
|
sgarg
|
throws Exception
|
1040 |
|
|
{
|
1041 |
4466
|
daigle
|
Hashtable<String, String> inlineDataList = getUnAccessableInlineDataIdList(docidWithoutRev,
|
1042 |
2291
|
sgarg
|
user, groups, AccessControlInterface.READSTRING,
|
1043 |
|
|
withRevision);
|
1044 |
2245
|
sgarg
|
|
1045 |
|
|
return inlineDataList;
|
1046 |
|
|
}
|
1047 |
|
|
|
1048 |
|
|
/**
|
1049 |
|
|
* A static method to get Hashtable which cointains a inline data object list that
|
1050 |
|
|
* user can't overwrite it. The key is subtree id of inline data distrubition,
|
1051 |
|
|
* the value is internal file name for the inline data which is stored as docid
|
1052 |
|
|
* in xml_access table or data object doc id.
|
1053 |
|
|
* @param docidWithoutRev, metadata docid which should be the accessfileid
|
1054 |
|
|
* in the table
|
1055 |
|
|
* @param user , the name of user
|
1056 |
|
|
* @param groups, the group which the user belong to
|
1057 |
|
|
*/
|
1058 |
4466
|
daigle
|
public static Hashtable<String, String> getUnWritableInlineDataIdList(String docidWithoutRev,
|
1059 |
2291
|
sgarg
|
String user, String[] groups,
|
1060 |
|
|
boolean withRevision)
|
1061 |
2245
|
sgarg
|
throws Exception
|
1062 |
1425
|
tao
|
{
|
1063 |
4466
|
daigle
|
Hashtable<String, String> inlineDataList = getUnAccessableInlineDataIdList(docidWithoutRev,
|
1064 |
2291
|
sgarg
|
user, groups, AccessControlInterface.WRITESTRING,
|
1065 |
|
|
withRevision);
|
1066 |
2245
|
sgarg
|
|
1067 |
|
|
return inlineDataList;
|
1068 |
|
|
}
|
1069 |
|
|
|
1070 |
|
|
|
1071 |
|
|
/*
|
1072 |
|
|
* This method will get hashtable which contains a unaccessable distribution
|
1073 |
|
|
* inlinedata object list
|
1074 |
2291
|
sgarg
|
*
|
1075 |
|
|
* withRevision is used to get inline id list with or without revision number
|
1076 |
|
|
* e.g. when withRevision is true, temp.1.1.1, temp.1.1.2 would be returned
|
1077 |
|
|
* otherwise temp.1.1 and temp.1.2 would be returned.
|
1078 |
2245
|
sgarg
|
*/
|
1079 |
4466
|
daigle
|
private static Hashtable<String, String> getUnAccessableInlineDataIdList(String docid,
|
1080 |
2291
|
sgarg
|
String user, String[] groups, String permission,
|
1081 |
|
|
boolean withRevision)
|
1082 |
2245
|
sgarg
|
throws SQLException,McdbException, Exception
|
1083 |
|
|
{
|
1084 |
4466
|
daigle
|
Hashtable<String, String> unAccessibleIdList = new Hashtable();
|
1085 |
2245
|
sgarg
|
Hashtable allIdList = getAllInlineDataIdList(docid);
|
1086 |
4466
|
daigle
|
Enumeration<String> en = allIdList.keys();
|
1087 |
2245
|
sgarg
|
while (en.hasMoreElements())
|
1088 |
1425
|
tao
|
{
|
1089 |
2245
|
sgarg
|
String subTreeId = (String) en.nextElement();
|
1090 |
|
|
String fileId = (String) allIdList.get(subTreeId);
|
1091 |
|
|
//Here fileid is internal file id for line data. It stored in docid
|
1092 |
|
|
// field in xml_access table. so we don't need to delete rev
|
1093 |
|
|
PermissionController controller = new PermissionController(docid, false);
|
1094 |
|
|
if (!controller.hasPermissionForInlineData(user, groups, permission, fileId))
|
1095 |
|
|
{
|
1096 |
2291
|
sgarg
|
if(withRevision)
|
1097 |
|
|
{
|
1098 |
2663
|
sgarg
|
logMetacat.info("Put subtree id " + subTreeId +
|
1099 |
2291
|
sgarg
|
" and " + "inline data file name " +
|
1100 |
|
|
fileId + " into " + "un" + permission +
|
1101 |
2663
|
sgarg
|
" hash");
|
1102 |
4466
|
daigle
|
unAccessibleIdList.put(subTreeId, fileId);
|
1103 |
2291
|
sgarg
|
|
1104 |
|
|
}
|
1105 |
|
|
else
|
1106 |
|
|
{
|
1107 |
2663
|
sgarg
|
logMetacat.info("Put subtree id " + subTreeId +
|
1108 |
2291
|
sgarg
|
" and " + "inline data file name " +
|
1109 |
|
|
MetaCatUtil.
|
1110 |
|
|
getInlineDataIdWithoutRev(fileId) +
|
1111 |
|
|
" into " + "un" + permission +
|
1112 |
2663
|
sgarg
|
" hash");
|
1113 |
4466
|
daigle
|
unAccessibleIdList.put(subTreeId, MetaCatUtil.
|
1114 |
2291
|
sgarg
|
getInlineDataIdWithoutRev(fileId));
|
1115 |
|
|
}
|
1116 |
2245
|
sgarg
|
}
|
1117 |
1425
|
tao
|
}
|
1118 |
4466
|
daigle
|
return unAccessibleIdList;
|
1119 |
2245
|
sgarg
|
}
|
1120 |
|
|
|
1121 |
|
|
|
1122 |
|
|
/*
|
1123 |
|
|
* This method will get a hash table from xml_access table for all records
|
1124 |
|
|
* about the inline data. The key is subtree id and data is a inline internal
|
1125 |
|
|
* file name
|
1126 |
|
|
*/
|
1127 |
|
|
private static Hashtable getAllInlineDataIdList(String docid) throws SQLException
|
1128 |
|
|
{
|
1129 |
|
|
Hashtable inlineDataList = new Hashtable();
|
1130 |
|
|
String sql = "SELECT subtreeid, docid FROM xml_access WHERE " +
|
1131 |
|
|
"accessfileid = ? AND subtreeid IS NOT NULL";
|
1132 |
|
|
PreparedStatement pStmt=null;
|
1133 |
|
|
ResultSet rs=null;
|
1134 |
|
|
DBConnection conn=null;
|
1135 |
|
|
int serialNumber=-1;
|
1136 |
|
|
try
|
1137 |
|
|
{
|
1138 |
|
|
//check out DBConnection
|
1139 |
|
|
conn=DBConnectionPool.getDBConnection("PermissionControl.getDataSetId");
|
1140 |
|
|
serialNumber=conn.getCheckOutSerialNumber();
|
1141 |
|
|
pStmt=conn.prepareStatement(sql);
|
1142 |
|
|
//bind the value to query
|
1143 |
|
|
pStmt.setString(1, docid);
|
1144 |
|
|
//execute the query
|
1145 |
|
|
pStmt.execute();
|
1146 |
|
|
rs=pStmt.getResultSet();
|
1147 |
|
|
//process the result
|
1148 |
|
|
while(rs.next())
|
1149 |
|
|
{
|
1150 |
|
|
String subTreeId = rs.getString(1);
|
1151 |
|
|
String inlineDataId = rs.getString(2);
|
1152 |
|
|
if (subTreeId != null && !subTreeId.trim().equals("") &&
|
1153 |
|
|
inlineDataId != null && !inlineDataId.trim().equals(""))
|
1154 |
|
|
{
|
1155 |
|
|
inlineDataList.put(subTreeId, inlineDataId);
|
1156 |
|
|
}
|
1157 |
|
|
}//while
|
1158 |
|
|
}//try
|
1159 |
|
|
finally
|
1160 |
|
|
{
|
1161 |
|
|
try
|
1162 |
|
|
{
|
1163 |
|
|
pStmt.close();
|
1164 |
|
|
}
|
1165 |
|
|
finally
|
1166 |
|
|
{
|
1167 |
|
|
DBConnectionPool.returnDBConnection(conn, serialNumber);
|
1168 |
|
|
}
|
1169 |
|
|
}//finally
|
1170 |
|
|
return inlineDataList;
|
1171 |
|
|
}//getAllInlineDataIdList
|
1172 |
1425
|
tao
|
}
|