| 1 |
51
|
jones
|
/**
|
| 2 |
203
|
jones
|
* '$RCSfile$'
|
| 3 |
|
|
* Purpose: A Class that implements a metadata catalog as a java Servlet
|
| 4 |
|
|
* Copyright: 2000 Regents of the University of California and the
|
| 5 |
|
|
* National Center for Ecological Analysis and Synthesis
|
| 6 |
361
|
berkley
|
* Authors: Matt Jones, Dan Higgins, Jivka Bojilova, Chad Berkley
|
| 7 |
348
|
jones
|
* Release: @release@
|
| 8 |
154
|
jones
|
*
|
| 9 |
203
|
jones
|
* '$Author$'
|
| 10 |
|
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* '$Date$'
|
| 11 |
|
|
* '$Revision$'
|
| 12 |
669
|
jones
|
*
|
| 13 |
|
|
* This program is free software; you can redistribute it and/or modify
|
| 14 |
|
|
* it under the terms of the GNU General Public License as published by
|
| 15 |
|
|
* the Free Software Foundation; either version 2 of the License, or
|
| 16 |
|
|
* (at your option) any later version.
|
| 17 |
|
|
*
|
| 18 |
|
|
* This program is distributed in the hope that it will be useful,
|
| 19 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 20 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 21 |
|
|
* GNU General Public License for more details.
|
| 22 |
|
|
*
|
| 23 |
|
|
* You should have received a copy of the GNU General Public License
|
| 24 |
|
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* along with this program; if not, write to the Free Software
|
| 25 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
| 26 |
51
|
jones
|
*/
|
| 27 |
|
|
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| 28 |
|
|
package edu.ucsb.nceas.metacat;
|
| 29 |
|
|
|
| 30 |
798
|
jones
|
import com.oreilly.servlet.multipart.FilePart;
|
| 31 |
|
|
import com.oreilly.servlet.multipart.MultipartParser;
|
| 32 |
|
|
import com.oreilly.servlet.multipart.ParamPart;
|
| 33 |
|
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import com.oreilly.servlet.multipart.Part;
|
| 34 |
|
|
|
| 35 |
733
|
bojilova
|
import java.io.File;
|
| 36 |
46
|
jones
|
import java.io.PrintWriter;
|
| 37 |
|
|
import java.io.IOException;
|
| 38 |
50
|
jones
|
import java.io.StringReader;
|
| 39 |
185
|
jones
|
import java.io.FileInputStream;
|
| 40 |
731
|
bojilova
|
import java.io.BufferedInputStream;
|
| 41 |
46
|
jones
|
import java.util.Enumeration;
|
| 42 |
|
|
import java.util.Hashtable;
|
| 43 |
1360
|
tao
|
import java.util.ResourceBundle;
|
| 44 |
648
|
berkley
|
import java.util.Random;
|
| 45 |
82
|
jones
|
import java.util.PropertyResourceBundle;
|
| 46 |
1369
|
tao
|
import java.util.Vector;
|
| 47 |
50
|
jones
|
import java.net.URL;
|
| 48 |
|
|
import java.net.MalformedURLException;
|
| 49 |
85
|
jones
|
import java.sql.PreparedStatement;
|
| 50 |
|
|
import java.sql.ResultSet;
|
| 51 |
50
|
jones
|
import java.sql.Connection;
|
| 52 |
55
|
jones
|
import java.sql.SQLException;
|
| 53 |
361
|
berkley
|
import java.lang.reflect.*;
|
| 54 |
453
|
berkley
|
import java.net.*;
|
| 55 |
458
|
berkley
|
import java.util.zip.*;
|
| 56 |
46
|
jones
|
|
| 57 |
|
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import javax.servlet.ServletConfig;
|
| 58 |
|
|
import javax.servlet.ServletContext;
|
| 59 |
|
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import javax.servlet.ServletException;
|
| 60 |
48
|
jones
|
import javax.servlet.ServletInputStream;
|
| 61 |
46
|
jones
|
import javax.servlet.http.HttpServlet;
|
| 62 |
|
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import javax.servlet.http.HttpServletRequest;
|
| 63 |
|
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import javax.servlet.http.HttpServletResponse;
|
| 64 |
210
|
bojilova
|
import javax.servlet.http.HttpSession;
|
| 65 |
47
|
jones
|
import javax.servlet.http.HttpUtils;
|
| 66 |
458
|
berkley
|
import javax.servlet.ServletOutputStream;
|
| 67 |
46
|
jones
|
|
| 68 |
1471
|
tao
|
import org.ecoinformatics.eml.EMLParser;
|
| 69 |
1951
|
jones
|
import edu.ucsb.nceas.utilities.Options;
|
| 70 |
1471
|
tao
|
|
| 71 |
204
|
jones
|
import org.xml.sax.SAXException;
|
| 72 |
|
|
|
| 73 |
46
|
jones
|
/**
|
| 74 |
|
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* A metadata catalog server implemented as a Java Servlet
|
| 75 |
154
|
jones
|
*
|
| 76 |
|
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* <p>Valid parameters are:<br>
|
| 77 |
|
|
* action=query -- query the values of all elements and attributes
|
| 78 |
|
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* and return a result set of nodes<br>
|
| 79 |
1360
|
tao
|
* action=squery -- structured query (see pathquery.dtd)<br>
|
| 80 |
943
|
tao
|
* action= -- export a zip format for data packadge<br>
|
| 81 |
731
|
bojilova
|
* action=read -- read any metadata/data file from Metacat and from Internet<br>
|
| 82 |
205
|
jones
|
* action=insert -- insert an XML document into the database store<br>
|
| 83 |
|
|
* action=update -- update an XML document that is in the database store<br>
|
| 84 |
|
|
* action=delete -- delete an XML document from the database store<br>
|
| 85 |
|
|
* action=validate -- vallidate the xml contained in valtext<br>
|
| 86 |
|
|
* doctype -- document type list returned by the query (publicID)<br>
|
| 87 |
154
|
jones
|
* qformat=xml -- display resultset from query in XML<br>
|
| 88 |
|
|
* qformat=html -- display resultset from query in HTML<br>
|
| 89 |
731
|
bojilova
|
* qformat=zip -- zip resultset from query<br>
|
| 90 |
154
|
jones
|
* docid=34 -- display the document with the document ID number 34<br>
|
| 91 |
205
|
jones
|
* doctext -- XML text of the document to load into the database<br>
|
| 92 |
598
|
bojilova
|
* acltext -- XML access text for a document to load into the database<br>
|
| 93 |
|
|
* dtdtext -- XML DTD text for a new DTD to load into Metacat XML Catalog<br>
|
| 94 |
183
|
jones
|
* query -- actual query text (to go with 'action=query' or 'action=squery')<br>
|
| 95 |
205
|
jones
|
* valtext -- XML text to be validated<br>
|
| 96 |
688
|
bojilova
|
* action=getaccesscontrol -- retrieve acl info for Metacat document<br>
|
| 97 |
|
|
* action=getdoctypes -- retrieve all doctypes (publicID)<br>
|
| 98 |
699
|
bojilova
|
* action=getdtdschema -- retrieve a DTD or Schema file<br>
|
| 99 |
688
|
bojilova
|
* action=getdataguide -- retrieve a Data Guide<br>
|
| 100 |
725
|
bojilova
|
* action=getprincipals -- retrieve a list of principals in XML<br>
|
| 101 |
205
|
jones
|
* datadoc -- data document name (id)<br>
|
| 102 |
|
|
* <p>
|
| 103 |
1360
|
tao
|
* The particular combination of parameters that are valid for each
|
| 104 |
205
|
jones
|
* particular action value is quite specific. This documentation
|
| 105 |
|
|
* will be reorganized to reflect this information.
|
| 106 |
46
|
jones
|
*/
|
| 107 |
|
|
public class MetaCatServlet extends HttpServlet {
|
| 108 |
|
|
|
| 109 |
370
|
berkley
|
private ServletConfig config = null;
|
| 110 |
|
|
private ServletContext context = null;
|
| 111 |
|
|
private String resultStyleURL = null;
|
| 112 |
|
|
private String xmlcatalogfile = null;
|
| 113 |
|
|
private String saxparser = null;
|
| 114 |
1360
|
tao
|
private String datafilepath = null;
|
| 115 |
798
|
jones
|
private File dataDirectory = null;
|
| 116 |
1360
|
tao
|
private String servletpath = null;
|
| 117 |
|
|
private String htmlpath = null;
|
| 118 |
380
|
jones
|
private PropertyResourceBundle options = null;
|
| 119 |
|
|
private MetaCatUtil util = null;
|
| 120 |
1217
|
tao
|
private DBConnectionPool connPool = null;
|
| 121 |
1723
|
berkley
|
private Hashtable sessionHash = new Hashtable();
|
| 122 |
1369
|
tao
|
private static final String PROLOG = "<?xml version=\"1.0\"?>";
|
| 123 |
|
|
private static final String SUCCESS = "<success>";
|
| 124 |
|
|
private static final String SUCCESSCLOSE = "</success>";
|
| 125 |
|
|
private static final String ERROR = "<error>";
|
| 126 |
|
|
private static final String ERRORCLOSE = "</error>";
|
| 127 |
1466
|
tao
|
public static final String SCHEMALOCATIONKEYWORD = ":schemaLocation";
|
| 128 |
|
|
public static final String NONAMESPACELOCATION = ":noNamespaceSchemaLocation";
|
| 129 |
1610
|
tao
|
public static final String EML2KEYWORD =":eml";
|
| 130 |
1951
|
jones
|
private static final String CONFIG_DIR = "WEB-INF";
|
| 131 |
|
|
private static final String CONFIG_NAME = "metacat.properties";
|
| 132 |
380
|
jones
|
|
| 133 |
50
|
jones
|
/**
|
| 134 |
|
|
* Initialize the servlet by creating appropriate database connections
|
| 135 |
|
|
*/
|
| 136 |
46
|
jones
|
public void init( ServletConfig config ) throws ServletException {
|
| 137 |
|
|
try {
|
| 138 |
|
|
super.init( config );
|
| 139 |
|
|
this.config = config;
|
| 140 |
1360
|
tao
|
this.context = config.getServletContext();
|
| 141 |
184
|
jones
|
System.out.println("MetaCatServlet Initialize");
|
| 142 |
82
|
jones
|
|
| 143 |
1951
|
jones
|
// Initialize the properties file for our options
|
| 144 |
|
|
String dirPath = context.getRealPath(CONFIG_DIR);
|
| 145 |
|
|
File propertyFile = new File(dirPath,CONFIG_NAME);
|
| 146 |
|
|
Options options = null;
|
| 147 |
|
|
try {
|
| 148 |
|
|
options = Options.initialize(propertyFile);
|
| 149 |
|
|
MetaCatUtil.debugMessage("Options configured: " +
|
| 150 |
|
|
options.getOption("configured"), 20);
|
| 151 |
|
|
} catch (IOException ioe) {
|
| 152 |
|
|
MetaCatUtil.debugMessage("Error in loading options: "
|
| 153 |
|
|
+ioe.getMessage(), 20);
|
| 154 |
|
|
}
|
| 155 |
|
|
|
| 156 |
184
|
jones
|
util = new MetaCatUtil();
|
| 157 |
1360
|
tao
|
|
| 158 |
1217
|
tao
|
//initial DBConnection pool
|
| 159 |
|
|
connPool = DBConnectionPool.getInstance();
|
| 160 |
184
|
jones
|
|
| 161 |
83
|
jones
|
// Get the configuration file information
|
| 162 |
184
|
jones
|
resultStyleURL = util.getOption("resultStyleURL");
|
| 163 |
|
|
xmlcatalogfile = util.getOption("xmlcatalogfile");
|
| 164 |
|
|
saxparser = util.getOption("saxparser");
|
| 165 |
798
|
jones
|
datafilepath = util.getOption("datafilepath");
|
| 166 |
|
|
dataDirectory = new File(datafilepath);
|
| 167 |
360
|
bojilova
|
servletpath = util.getOption("servletpath");
|
| 168 |
|
|
htmlpath = util.getOption("htmlpath");
|
| 169 |
598
|
bojilova
|
|
| 170 |
1217
|
tao
|
|
| 171 |
46
|
jones
|
} catch ( ServletException ex ) {
|
| 172 |
|
|
throw ex;
|
| 173 |
1217
|
tao
|
} catch (SQLException e) {
|
| 174 |
|
|
MetaCatUtil.debugMessage("Error in MetacatServlet.init: "
|
| 175 |
|
|
+e.getMessage(), 20);
|
| 176 |
46
|
jones
|
}
|
| 177 |
|
|
}
|
| 178 |
|
|
|
| 179 |
320
|
bojilova
|
/**
|
| 180 |
|
|
* Close all db connections from the pool
|
| 181 |
|
|
*/
|
| 182 |
|
|
public void destroy() {
|
| 183 |
1360
|
tao
|
// Close all db connection
|
| 184 |
|
|
System.out.println("Destroying MetacatServlet");
|
| 185 |
1217
|
tao
|
connPool.release();
|
| 186 |
320
|
bojilova
|
}
|
| 187 |
|
|
|
| 188 |
50
|
jones
|
/** Handle "GET" method requests from HTTP clients */
|
| 189 |
46
|
jones
|
public void doGet (HttpServletRequest request, HttpServletResponse response)
|
| 190 |
|
|
throws ServletException, IOException {
|
| 191 |
|
|
|
| 192 |
48
|
jones
|
// Process the data and send back the response
|
| 193 |
59
|
jones
|
handleGetOrPost(request, response);
|
| 194 |
48
|
jones
|
}
|
| 195 |
|
|
|
| 196 |
50
|
jones
|
/** Handle "POST" method requests from HTTP clients */
|
| 197 |
48
|
jones
|
public void doPost( HttpServletRequest request, HttpServletResponse response)
|
| 198 |
|
|
throws ServletException, IOException {
|
| 199 |
|
|
|
| 200 |
|
|
// Process the data and send back the response
|
| 201 |
59
|
jones
|
handleGetOrPost(request, response);
|
| 202 |
48
|
jones
|
}
|
| 203 |
|
|
|
| 204 |
49
|
jones
|
/**
|
| 205 |
50
|
jones
|
* Control servlet response depending on the action parameter specified
|
| 206 |
49
|
jones
|
*/
|
| 207 |
1360
|
tao
|
private void handleGetOrPost(HttpServletRequest request,
|
| 208 |
|
|
HttpServletResponse response)
|
| 209 |
|
|
throws ServletException, IOException
|
| 210 |
798
|
jones
|
{
|
| 211 |
48
|
jones
|
|
| 212 |
309
|
bojilova
|
if ( util == null ) {
|
| 213 |
1360
|
tao
|
util = new MetaCatUtil();
|
| 214 |
309
|
bojilova
|
}
|
| 215 |
1221
|
tao
|
/*MetaCatUtil.debugMessage("Connection pool size: "
|
| 216 |
1217
|
tao
|
+connPool.getSizeOfDBConnectionPool(),10);
|
| 217 |
|
|
MetaCatUtil.debugMessage("Free DBConnection number: "
|
| 218 |
1221
|
tao
|
+connPool.getFreeDBConnectionNumber(), 10);*/
|
| 219 |
1360
|
tao
|
//If all DBConnection in the pool are free and DBConnection pool
|
| 220 |
|
|
//size is greater than initial value, shrink the connection pool
|
| 221 |
1221
|
tao
|
//size to initial value
|
| 222 |
|
|
DBConnectionPool.shrinkDBConnectionPoolSize();
|
| 223 |
1360
|
tao
|
|
| 224 |
1217
|
tao
|
//Debug message to print out the method which have a busy DBConnection
|
| 225 |
|
|
connPool.printMethodNameHavingBusyDBConnection();
|
| 226 |
1360
|
tao
|
|
| 227 |
800
|
jones
|
String ctype = request.getContentType();
|
| 228 |
|
|
if (ctype != null && ctype.startsWith("multipart/form-data")) {
|
| 229 |
798
|
jones
|
handleMultipartForm(request, response);
|
| 230 |
|
|
} else {
|
| 231 |
1360
|
tao
|
|
| 232 |
|
|
|
| 233 |
798
|
jones
|
String name = null;
|
| 234 |
|
|
String[] value = null;
|
| 235 |
|
|
String[] docid = new String[3];
|
| 236 |
|
|
Hashtable params = new Hashtable();
|
| 237 |
|
|
Enumeration paramlist = request.getParameterNames();
|
| 238 |
1360
|
tao
|
|
| 239 |
|
|
|
| 240 |
798
|
jones
|
while (paramlist.hasMoreElements()) {
|
| 241 |
1360
|
tao
|
|
| 242 |
798
|
jones
|
name = (String)paramlist.nextElement();
|
| 243 |
|
|
value = request.getParameterValues(name);
|
| 244 |
1360
|
tao
|
|
| 245 |
798
|
jones
|
// Decode the docid and mouse click information
|
| 246 |
|
|
if (name.endsWith(".y")) {
|
| 247 |
|
|
docid[0] = name.substring(0,name.length()-2);
|
| 248 |
|
|
params.put("docid", docid);
|
| 249 |
|
|
name = "ypos";
|
| 250 |
648
|
berkley
|
}
|
| 251 |
798
|
jones
|
if (name.endsWith(".x")) {
|
| 252 |
|
|
name = "xpos";
|
| 253 |
1360
|
tao
|
}
|
| 254 |
|
|
|
| 255 |
|
|
params.put(name,value);
|
| 256 |
|
|
}
|
| 257 |
|
|
|
| 258 |
|
|
|
| 259 |
1217
|
tao
|
//handle param is emptpy
|
| 260 |
|
|
if (params.isEmpty() || params == null)
|
| 261 |
|
|
{
|
| 262 |
|
|
return;
|
| 263 |
|
|
}
|
| 264 |
1716
|
berkley
|
|
| 265 |
798
|
jones
|
//if the user clicked on the input images, decode which image
|
| 266 |
|
|
//was clicked then set the action.
|
| 267 |
1360
|
tao
|
String action = ((String[])params.get("action"))[0];
|
| 268 |
1217
|
tao
|
util.debugMessage("Line 230: Action is: " + action, 1);
|
| 269 |
1360
|
tao
|
|
| 270 |
798
|
jones
|
// This block handles session management for the servlet
|
| 271 |
|
|
// by looking up the current session information for all actions
|
| 272 |
|
|
// other than "login" and "logout"
|
| 273 |
|
|
String username = null;
|
| 274 |
|
|
String password = null;
|
| 275 |
802
|
bojilova
|
String[] groupnames = null;
|
| 276 |
798
|
jones
|
String sess_id = null;
|
| 277 |
1360
|
tao
|
|
| 278 |
798
|
jones
|
// handle login action
|
| 279 |
|
|
if (action.equals("login")) {
|
| 280 |
1217
|
tao
|
PrintWriter out = response.getWriter();
|
| 281 |
|
|
handleLoginAction(out, params, request, response);
|
| 282 |
|
|
out.close();
|
| 283 |
1360
|
tao
|
|
| 284 |
|
|
// handle logout action
|
| 285 |
798
|
jones
|
} else if (action.equals("logout")) {
|
| 286 |
1217
|
tao
|
PrintWriter out = response.getWriter();
|
| 287 |
|
|
handleLogoutAction(out, params, request, response);
|
| 288 |
|
|
out.close();
|
| 289 |
1360
|
tao
|
|
| 290 |
1221
|
tao
|
// handle shrink DBConnection request
|
| 291 |
|
|
} else if (action.equals("shrink")) {
|
| 292 |
|
|
PrintWriter out = response.getWriter();
|
| 293 |
|
|
boolean success = false;
|
| 294 |
1360
|
tao
|
//If all DBConnection in the pool are free and DBConnection pool
|
| 295 |
|
|
//size is greater than initial value, shrink the connection pool
|
| 296 |
1221
|
tao
|
//size to initial value
|
| 297 |
|
|
success = DBConnectionPool.shrinkConnectionPoolSize();
|
| 298 |
|
|
if (success)
|
| 299 |
|
|
{
|
| 300 |
|
|
//if successfully shrink the pool size to initial value
|
| 301 |
|
|
out.println("DBConnection Pool shrink successfully");
|
| 302 |
|
|
}//if
|
| 303 |
|
|
else
|
| 304 |
|
|
{
|
| 305 |
|
|
out.println("DBConnection pool couldn't shrink successfully");
|
| 306 |
|
|
}
|
| 307 |
|
|
//close out put
|
| 308 |
|
|
out.close();
|
| 309 |
1360
|
tao
|
|
| 310 |
|
|
// aware of session expiration on every request
|
| 311 |
1723
|
berkley
|
}
|
| 312 |
|
|
else
|
| 313 |
|
|
{
|
| 314 |
798
|
jones
|
HttpSession sess = request.getSession(true);
|
| 315 |
1723
|
berkley
|
if (sess.isNew() && !params.containsKey("sessionid")) {
|
| 316 |
798
|
jones
|
// session expired or has not been stored b/w user requests
|
| 317 |
2045
|
tao
|
MetaCatUtil.debugMessage("in session is new or no sessionid", 40);
|
| 318 |
798
|
jones
|
username = "public";
|
| 319 |
|
|
sess.setAttribute("username", username);
|
| 320 |
1723
|
berkley
|
}
|
| 321 |
|
|
else
|
| 322 |
|
|
{
|
| 323 |
2045
|
tao
|
MetaCatUtil.debugMessage("in session is not new or " +
|
| 324 |
|
|
" has sessionid parameter", 40);
|
| 325 |
1723
|
berkley
|
try
|
| 326 |
|
|
{
|
| 327 |
1716
|
berkley
|
if(params.containsKey("sessionid"))
|
| 328 |
|
|
{
|
| 329 |
1723
|
berkley
|
sess_id = ((String[])params.get("sessionid"))[0];
|
| 330 |
2045
|
tao
|
MetaCatUtil.debugMessage("in has sessionid " + sess_id, 40);
|
| 331 |
1723
|
berkley
|
if(sessionHash.containsKey(sess_id))
|
| 332 |
|
|
{
|
| 333 |
2045
|
tao
|
MetaCatUtil.debugMessage("find the id " + sess_id +
|
| 334 |
|
|
" in hash table", 40);
|
| 335 |
1723
|
berkley
|
sess = (HttpSession)sessionHash.get(sess_id);
|
| 336 |
|
|
}
|
| 337 |
1716
|
berkley
|
}
|
| 338 |
|
|
else
|
| 339 |
|
|
{
|
| 340 |
2045
|
tao
|
// we already store the session in login, so we don't need here
|
| 341 |
|
|
/*MetaCatUtil.debugMessage("in no sessionid parameter ", 40);
|
| 342 |
1716
|
berkley
|
sess_id = (String)sess.getId();
|
| 343 |
2045
|
tao
|
MetaCatUtil.debugMessage("storing the session id "+ sess_id +
|
| 344 |
|
|
" which has username " + sess.getAttribute("username") +
|
| 345 |
|
|
" into session hash in handleGetOrPost method", 35);
|
| 346 |
|
|
sessionHash.put(sess_id, sess);*/
|
| 347 |
1716
|
berkley
|
}
|
| 348 |
1723
|
berkley
|
}
|
| 349 |
|
|
catch(IllegalStateException ise)
|
| 350 |
|
|
{
|
| 351 |
798
|
jones
|
System.out.println("error in handleGetOrPost: this shouldn't " +
|
| 352 |
1360
|
tao
|
"happen: the session should be valid: " +
|
| 353 |
798
|
jones
|
ise.getMessage());
|
| 354 |
|
|
}
|
| 355 |
1723
|
berkley
|
|
| 356 |
|
|
username = (String)sess.getAttribute("username");
|
| 357 |
2045
|
tao
|
MetaCatUtil.debugMessage("The user name from session is: "+
|
| 358 |
|
|
username, 20);
|
| 359 |
1723
|
berkley
|
password = (String)sess.getAttribute("password");
|
| 360 |
|
|
groupnames = (String[])sess.getAttribute("groupnames");
|
| 361 |
1360
|
tao
|
}
|
| 362 |
1906
|
tao
|
|
| 363 |
2045
|
tao
|
//make user user username should be public
|
| 364 |
|
|
if (username == null || (username.trim().equals("")))
|
| 365 |
|
|
{
|
| 366 |
|
|
username = "public";
|
| 367 |
|
|
}
|
| 368 |
|
|
MetaCatUtil.debugMessage("The user is : "+ username, 5);
|
| 369 |
1906
|
tao
|
}
|
| 370 |
947
|
tao
|
// Now that we know the session is valid, we can delegate the request
|
| 371 |
798
|
jones
|
// to a particular action handler
|
| 372 |
|
|
if(action.equals("query")) {
|
| 373 |
1217
|
tao
|
PrintWriter out = response.getWriter();
|
| 374 |
1716
|
berkley
|
handleQuery(out,params,response,username,groupnames,sess_id);
|
| 375 |
1217
|
tao
|
out.close();
|
| 376 |
798
|
jones
|
} else if(action.equals("squery")) {
|
| 377 |
1217
|
tao
|
PrintWriter out = response.getWriter();
|
| 378 |
798
|
jones
|
if(params.containsKey("query")) {
|
| 379 |
1716
|
berkley
|
handleSQuery(out, params,response,username,groupnames,sess_id);
|
| 380 |
1217
|
tao
|
out.close();
|
| 381 |
798
|
jones
|
} else {
|
| 382 |
|
|
out.println("Illegal action squery without \"query\" parameter");
|
| 383 |
1217
|
tao
|
out.close();
|
| 384 |
798
|
jones
|
}
|
| 385 |
943
|
tao
|
} else if (action.equals("export")) {
|
| 386 |
1360
|
tao
|
|
| 387 |
1292
|
tao
|
handleExportAction(params, response, username, groupnames, password);
|
| 388 |
798
|
jones
|
} else if (action.equals("read")) {
|
| 389 |
1292
|
tao
|
handleReadAction(params, response, username,password, groupnames);
|
| 390 |
1483
|
tao
|
} else if (action.equals("readinlinedata")) {
|
| 391 |
1716
|
berkley
|
handleReadInlineDataAction(params, response, username,
|
| 392 |
1483
|
tao
|
password, groupnames);
|
| 393 |
798
|
jones
|
} else if (action.equals("insert") || action.equals("update")) {
|
| 394 |
458
|
berkley
|
PrintWriter out = response.getWriter();
|
| 395 |
1444
|
tao
|
if ( (username != null) && !username.equals("public") ) {
|
| 396 |
1377
|
tao
|
handleInsertOrUpdateAction(out,params,username,groupnames);
|
| 397 |
1444
|
tao
|
} else {
|
| 398 |
1556
|
tao
|
out.println("Permission denied for user "+username +" " + action);
|
| 399 |
|
|
}
|
| 400 |
1217
|
tao
|
out.close();
|
| 401 |
798
|
jones
|
} else if (action.equals("delete")) {
|
| 402 |
|
|
PrintWriter out = response.getWriter();
|
| 403 |
|
|
if ( (username != null) && !username.equals("public") ) {
|
| 404 |
802
|
bojilova
|
handleDeleteAction(out, params, response, username, groupnames);
|
| 405 |
1360
|
tao
|
} else {
|
| 406 |
798
|
jones
|
out.println("Permission denied for " + action);
|
| 407 |
1217
|
tao
|
}
|
| 408 |
|
|
out.close();
|
| 409 |
798
|
jones
|
} else if (action.equals("validate")) {
|
| 410 |
|
|
PrintWriter out = response.getWriter();
|
| 411 |
1342
|
tao
|
handleValidateAction(out, params);
|
| 412 |
1217
|
tao
|
out.close();
|
| 413 |
1369
|
tao
|
} else if (action.equals("setaccess")) {
|
| 414 |
|
|
PrintWriter out = response.getWriter();
|
| 415 |
|
|
handleSetAccessAction(out, params, username);
|
| 416 |
|
|
out.close();
|
| 417 |
798
|
jones
|
} else if (action.equals("getaccesscontrol")) {
|
| 418 |
|
|
PrintWriter out = response.getWriter();
|
| 419 |
802
|
bojilova
|
handleGetAccessControlAction(out,params,response,username,groupnames);
|
| 420 |
1217
|
tao
|
out.close();
|
| 421 |
798
|
jones
|
} else if (action.equals("getprincipals")) {
|
| 422 |
|
|
PrintWriter out = response.getWriter();
|
| 423 |
1217
|
tao
|
handleGetPrincipalsAction(out, username, password);
|
| 424 |
|
|
out.close();
|
| 425 |
798
|
jones
|
} else if (action.equals("getdoctypes")) {
|
| 426 |
|
|
PrintWriter out = response.getWriter();
|
| 427 |
1217
|
tao
|
handleGetDoctypesAction(out, params, response);
|
| 428 |
|
|
out.close();
|
| 429 |
798
|
jones
|
} else if (action.equals("getdtdschema")) {
|
| 430 |
|
|
PrintWriter out = response.getWriter();
|
| 431 |
1217
|
tao
|
handleGetDTDSchemaAction(out, params, response);
|
| 432 |
|
|
out.close();
|
| 433 |
798
|
jones
|
} else if (action.equals("getlastdocid")) {
|
| 434 |
|
|
PrintWriter out = response.getWriter();
|
| 435 |
1217
|
tao
|
handleGetMaxDocidAction(out, params, response);
|
| 436 |
|
|
out.close();
|
| 437 |
1292
|
tao
|
} else if (action.equals("getrevisionanddoctype")) {
|
| 438 |
|
|
PrintWriter out = response.getWriter();
|
| 439 |
|
|
handleGetRevisionAndDocTypeAction(out, params);
|
| 440 |
|
|
out.close();
|
| 441 |
2079
|
jones
|
} else if (action.equals("getversion")) {
|
| 442 |
2080
|
jones
|
response.setContentType("text/xml");
|
| 443 |
2079
|
jones
|
PrintWriter out = response.getWriter();
|
| 444 |
|
|
out.println(Version.getVersionAsXml());
|
| 445 |
|
|
out.close();
|
| 446 |
798
|
jones
|
} else if (action.equals("login") || action.equals("logout")) {
|
| 447 |
|
|
} else if (action.equals("protocoltest")) {
|
| 448 |
|
|
String testURL = "metacat://dev.nceas.ucsb.edu/NCEAS.897766.9";
|
| 449 |
|
|
try {
|
| 450 |
|
|
testURL = ((String[])params.get("url"))[0];
|
| 451 |
|
|
} catch (Throwable t) {
|
| 452 |
|
|
}
|
| 453 |
|
|
String phandler = System.getProperty("java.protocol.handler.pkgs");
|
| 454 |
|
|
response.setContentType("text/html");
|
| 455 |
|
|
PrintWriter out = response.getWriter();
|
| 456 |
|
|
out.println("<body bgcolor=\"white\">");
|
| 457 |
|
|
out.println("<p>Handler property: <code>" + phandler + "</code></p>");
|
| 458 |
|
|
out.println("<p>Starting test for:<br>");
|
| 459 |
|
|
out.println(" " + testURL + "</p>");
|
| 460 |
|
|
try {
|
| 461 |
|
|
URL u = new URL(testURL);
|
| 462 |
|
|
out.println("<pre>");
|
| 463 |
|
|
out.println("Protocol: " + u.getProtocol());
|
| 464 |
|
|
out.println(" Host: " + u.getHost());
|
| 465 |
|
|
out.println(" Port: " + u.getPort());
|
| 466 |
|
|
out.println(" Path: " + u.getPath());
|
| 467 |
|
|
out.println(" Ref: " + u.getRef());
|
| 468 |
|
|
String pquery = u.getQuery();
|
| 469 |
|
|
out.println(" Query: " + pquery);
|
| 470 |
|
|
out.println(" Params: ");
|
| 471 |
|
|
if (pquery != null) {
|
| 472 |
|
|
Hashtable qparams = util.parseQuery(u.getQuery());
|
| 473 |
|
|
for (Enumeration en = qparams.keys(); en.hasMoreElements(); ) {
|
| 474 |
|
|
String pname = (String)en.nextElement();
|
| 475 |
|
|
String pvalue = (String)qparams.get(pname);
|
| 476 |
|
|
out.println(" " + pname + ": " + pvalue);
|
| 477 |
|
|
}
|
| 478 |
566
|
jones
|
}
|
| 479 |
798
|
jones
|
out.println("</pre>");
|
| 480 |
|
|
out.println("</body>");
|
| 481 |
|
|
out.close();
|
| 482 |
|
|
} catch (MalformedURLException mue) {
|
| 483 |
|
|
System.out.println("bad url from MetacatServlet.handleGetOrPost");
|
| 484 |
|
|
out.println(mue.getMessage());
|
| 485 |
|
|
mue.printStackTrace(out);
|
| 486 |
|
|
out.close();
|
| 487 |
566
|
jones
|
}
|
| 488 |
798
|
jones
|
} else {
|
| 489 |
|
|
PrintWriter out = response.getWriter();
|
| 490 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 491 |
|
|
out.println("<error>");
|
| 492 |
|
|
out.println("Error: action not registered. Please report this error.");
|
| 493 |
|
|
out.println("</error>");
|
| 494 |
1217
|
tao
|
out.close();
|
| 495 |
566
|
jones
|
}
|
| 496 |
1360
|
tao
|
|
| 497 |
1217
|
tao
|
//util.closeConnections();
|
| 498 |
798
|
jones
|
// Close the stream to the client
|
| 499 |
1217
|
tao
|
//out.close();
|
| 500 |
46
|
jones
|
}
|
| 501 |
|
|
}
|
| 502 |
1360
|
tao
|
|
| 503 |
731
|
bojilova
|
// LOGIN & LOGOUT SECTION
|
| 504 |
1360
|
tao
|
/**
|
| 505 |
509
|
bojilova
|
* Handle the login request. Create a new session object.
|
| 506 |
503
|
bojilova
|
* Do user authentication through the session.
|
| 507 |
210
|
bojilova
|
*/
|
| 508 |
1360
|
tao
|
private void handleLoginAction(PrintWriter out, Hashtable params,
|
| 509 |
210
|
bojilova
|
HttpServletRequest request, HttpServletResponse response) {
|
| 510 |
251
|
bojilova
|
|
| 511 |
503
|
bojilova
|
AuthSession sess = null;
|
| 512 |
228
|
bojilova
|
String un = ((String[])params.get("username"))[0];
|
| 513 |
2045
|
tao
|
MetaCatUtil.debugMessage("user " + un + " try to login", 20);
|
| 514 |
228
|
bojilova
|
String pw = ((String[])params.get("password"))[0];
|
| 515 |
297
|
bojilova
|
String action = ((String[])params.get("action"))[0];
|
| 516 |
509
|
bojilova
|
String qformat = ((String[])params.get("qformat"))[0];
|
| 517 |
1360
|
tao
|
|
| 518 |
297
|
bojilova
|
try {
|
| 519 |
509
|
bojilova
|
sess = new AuthSession();
|
| 520 |
297
|
bojilova
|
} catch (Exception e) {
|
| 521 |
675
|
berkley
|
System.out.println("error in MetacatServlet.handleLoginAction: " +
|
| 522 |
|
|
e.getMessage());
|
| 523 |
297
|
bojilova
|
out.println(e.getMessage());
|
| 524 |
509
|
bojilova
|
return;
|
| 525 |
297
|
bojilova
|
}
|
| 526 |
509
|
bojilova
|
boolean isValid = sess.authenticate(request, un, pw);
|
| 527 |
2045
|
tao
|
|
| 528 |
|
|
//if it is authernticate is true, store the session
|
| 529 |
|
|
if (isValid)
|
| 530 |
|
|
{
|
| 531 |
|
|
HttpSession session = sess.getSessions();
|
| 532 |
|
|
String id = session.getId();
|
| 533 |
|
|
MetaCatUtil.debugMessage("Store session id " + id +
|
| 534 |
|
|
"which has username" + session.getAttribute("username")+
|
| 535 |
|
|
" into hash in login method", 35);
|
| 536 |
|
|
sessionHash.put(id, session);
|
| 537 |
|
|
}
|
| 538 |
|
|
|
| 539 |
509
|
bojilova
|
// format and transform the output
|
| 540 |
832
|
jones
|
if (qformat.equals("xml")) {
|
| 541 |
|
|
response.setContentType("text/xml");
|
| 542 |
1360
|
tao
|
out.println(sess.getMessage());
|
| 543 |
832
|
jones
|
} else {
|
| 544 |
1360
|
tao
|
|
| 545 |
503
|
bojilova
|
try {
|
| 546 |
1360
|
tao
|
|
| 547 |
1217
|
tao
|
DBTransform trans = new DBTransform();
|
| 548 |
509
|
bojilova
|
response.setContentType("text/html");
|
| 549 |
510
|
bojilova
|
trans.transformXMLDocument(sess.getMessage(), "-//NCEAS//login//EN",
|
| 550 |
1665
|
tao
|
"-//W3C//HTML//EN", qformat, out, null);
|
| 551 |
1360
|
tao
|
|
| 552 |
509
|
bojilova
|
} catch(Exception e) {
|
| 553 |
1360
|
tao
|
|
| 554 |
1217
|
tao
|
MetaCatUtil.debugMessage("Error in MetaCatServlet.handleLoginAction: "
|
| 555 |
|
|
+e.getMessage(), 30);
|
| 556 |
1360
|
tao
|
}
|
| 557 |
|
|
|
| 558 |
|
|
// any output is returned
|
| 559 |
503
|
bojilova
|
}
|
| 560 |
1360
|
tao
|
}
|
| 561 |
509
|
bojilova
|
|
| 562 |
1360
|
tao
|
/**
|
| 563 |
509
|
bojilova
|
* Handle the logout request. Close the connection.
|
| 564 |
|
|
*/
|
| 565 |
1360
|
tao
|
private void handleLogoutAction(PrintWriter out, Hashtable params,
|
| 566 |
509
|
bojilova
|
HttpServletRequest request, HttpServletResponse response) {
|
| 567 |
|
|
|
| 568 |
|
|
String qformat = ((String[])params.get("qformat"))[0];
|
| 569 |
|
|
|
| 570 |
|
|
// close the connection
|
| 571 |
|
|
HttpSession sess = request.getSession(false);
|
| 572 |
2045
|
tao
|
MetaCatUtil.debugMessage("After get session in logout request", 40);
|
| 573 |
|
|
if (sess != null)
|
| 574 |
|
|
{
|
| 575 |
|
|
MetaCatUtil.debugMessage("The session id " + sess.getId() +
|
| 576 |
|
|
" will be invalidate in logout action", 30);
|
| 577 |
|
|
MetaCatUtil.debugMessage("The session contains user " +
|
| 578 |
|
|
sess.getAttribute("username") +
|
| 579 |
|
|
" will be invalidate in logout action", 30);
|
| 580 |
|
|
sess.invalidate();
|
| 581 |
|
|
}
|
| 582 |
509
|
bojilova
|
|
| 583 |
|
|
// produce output
|
| 584 |
|
|
StringBuffer output = new StringBuffer();
|
| 585 |
|
|
output.append("<?xml version=\"1.0\"?>");
|
| 586 |
510
|
bojilova
|
output.append("<logout>");
|
| 587 |
|
|
output.append("User logged out");
|
| 588 |
|
|
output.append("</logout>");
|
| 589 |
509
|
bojilova
|
|
| 590 |
|
|
//format and transform the output
|
| 591 |
832
|
jones
|
if (qformat.equals("xml")) {
|
| 592 |
|
|
response.setContentType("text/xml");
|
| 593 |
1360
|
tao
|
out.println(output.toString());
|
| 594 |
832
|
jones
|
} else {
|
| 595 |
1360
|
tao
|
|
| 596 |
509
|
bojilova
|
try {
|
| 597 |
1360
|
tao
|
|
| 598 |
1217
|
tao
|
DBTransform trans = new DBTransform();
|
| 599 |
509
|
bojilova
|
response.setContentType("text/html");
|
| 600 |
1360
|
tao
|
trans.transformXMLDocument(output.toString(), "-//NCEAS//login//EN",
|
| 601 |
1665
|
tao
|
"-//W3C//HTML//EN", qformat, out, null);
|
| 602 |
1360
|
tao
|
|
| 603 |
509
|
bojilova
|
} catch(Exception e) {
|
| 604 |
1360
|
tao
|
|
| 605 |
1217
|
tao
|
MetaCatUtil.debugMessage("Error in MetaCatServlet.handleLogoutAction"
|
| 606 |
|
|
+e.getMessage(), 30);
|
| 607 |
1360
|
tao
|
}
|
| 608 |
509
|
bojilova
|
}
|
| 609 |
|
|
}
|
| 610 |
731
|
bojilova
|
// END OF LOGIN & LOGOUT SECTION
|
| 611 |
1360
|
tao
|
|
| 612 |
731
|
bojilova
|
// SQUERY & QUERY SECTION
|
| 613 |
1360
|
tao
|
/**
|
| 614 |
380
|
jones
|
* Retreive the squery xml, execute it and display it
|
| 615 |
|
|
*
|
| 616 |
|
|
* @param out the output stream to the client
|
| 617 |
|
|
* @param params the Hashtable of parameters that should be included
|
| 618 |
|
|
* in the squery.
|
| 619 |
|
|
* @param response the response object linked to the client
|
| 620 |
1360
|
tao
|
* @param conn the database connection
|
| 621 |
380
|
jones
|
*/
|
| 622 |
1360
|
tao
|
protected void handleSQuery(PrintWriter out, Hashtable params,
|
| 623 |
1716
|
berkley
|
HttpServletResponse response, String user, String[] groups,
|
| 624 |
|
|
String sessionid)
|
| 625 |
1360
|
tao
|
{
|
| 626 |
380
|
jones
|
String xmlquery = ((String[])params.get("query"))[0];
|
| 627 |
|
|
String qformat = ((String[])params.get("qformat"))[0];
|
| 628 |
465
|
berkley
|
String resultdoc = null;
|
| 629 |
1298
|
tao
|
MetaCatUtil.debugMessage("xmlquery: "+xmlquery, 30);
|
| 630 |
|
|
double startTime = System.currentTimeMillis()/1000;
|
| 631 |
802
|
bojilova
|
Hashtable doclist = runQuery(xmlquery, user, groups);
|
| 632 |
1360
|
tao
|
double docListTime = System.currentTimeMillis()/1000;
|
| 633 |
1298
|
tao
|
MetaCatUtil.debugMessage("Time for getting doc list: "
|
| 634 |
|
|
+(docListTime-startTime), 30);
|
| 635 |
1360
|
tao
|
|
| 636 |
465
|
berkley
|
resultdoc = createResultDocument(doclist, transformQuery(xmlquery));
|
| 637 |
1298
|
tao
|
double toStringTime = System.currentTimeMillis()/1000;
|
| 638 |
|
|
MetaCatUtil.debugMessage("Time to create xml string: "
|
| 639 |
|
|
+(toStringTime-docListTime), 30);
|
| 640 |
|
|
//format and transform the results
|
| 641 |
1360
|
tao
|
double outPutTime = 0;
|
| 642 |
832
|
jones
|
if(qformat.equals("xml")) {
|
| 643 |
380
|
jones
|
response.setContentType("text/xml");
|
| 644 |
|
|
out.println(resultdoc);
|
| 645 |
1298
|
tao
|
outPutTime = System.currentTimeMillis()/1000;
|
| 646 |
|
|
MetaCatUtil.debugMessage("Output time: "+(outPutTime-toStringTime), 30);
|
| 647 |
380
|
jones
|
} else {
|
| 648 |
1956
|
jones
|
transformResultset(resultdoc, response, out, qformat, sessionid, params);
|
| 649 |
1298
|
tao
|
outPutTime = System.currentTimeMillis()/1000;
|
| 650 |
|
|
MetaCatUtil.debugMessage("Output time: "+(outPutTime-toStringTime), 30);
|
| 651 |
380
|
jones
|
}
|
| 652 |
341
|
berkley
|
}
|
| 653 |
1298
|
tao
|
|
| 654 |
341
|
berkley
|
/**
|
| 655 |
380
|
jones
|
* Create the xml query, execute it and display the results.
|
| 656 |
|
|
*
|
| 657 |
|
|
* @param out the output stream to the client
|
| 658 |
|
|
* @param params the Hashtable of parameters that should be included
|
| 659 |
370
|
berkley
|
* in the squery.
|
| 660 |
380
|
jones
|
* @param response the response object linked to the client
|
| 661 |
1360
|
tao
|
*/
|
| 662 |
|
|
protected void handleQuery(PrintWriter out, Hashtable params,
|
| 663 |
1716
|
berkley
|
HttpServletResponse response, String user, String[] groups,
|
| 664 |
|
|
String sessionid)
|
| 665 |
341
|
berkley
|
{
|
| 666 |
370
|
berkley
|
//create the query and run it
|
| 667 |
373
|
berkley
|
String xmlquery = DBQuery.createSQuery(params);
|
| 668 |
802
|
bojilova
|
Hashtable doclist = runQuery(xmlquery, user, groups);
|
| 669 |
465
|
berkley
|
String qformat = ((String[])params.get("qformat"))[0];
|
| 670 |
|
|
String resultdoc = null;
|
| 671 |
1360
|
tao
|
|
| 672 |
465
|
berkley
|
resultdoc = createResultDocument(doclist, transformQuery(params));
|
| 673 |
425
|
bojilova
|
|
| 674 |
1360
|
tao
|
//format and transform the results
|
| 675 |
832
|
jones
|
if(qformat.equals("xml")) {
|
| 676 |
370
|
berkley
|
response.setContentType("text/xml");
|
| 677 |
|
|
out.println(resultdoc);
|
| 678 |
1360
|
tao
|
} else {
|
| 679 |
1956
|
jones
|
transformResultset(resultdoc, response, out, qformat, sessionid, params);
|
| 680 |
370
|
berkley
|
}
|
| 681 |
341
|
berkley
|
}
|
| 682 |
1360
|
tao
|
|
| 683 |
341
|
berkley
|
/**
|
| 684 |
384
|
berkley
|
* Removes the <?xml version="x"?> tag from the beginning of xmlquery
|
| 685 |
|
|
* so it can properly be placed in the <query> tag of the resultset.
|
| 686 |
|
|
* This method is overwritable so that other applications can customize
|
| 687 |
|
|
* the structure of what is in the <query> tag.
|
| 688 |
1360
|
tao
|
*
|
| 689 |
384
|
berkley
|
* @param xmlquery is the query to remove the <?xml version="x"?> tag from.
|
| 690 |
|
|
*/
|
| 691 |
|
|
protected String transformQuery(Hashtable params)
|
| 692 |
|
|
{
|
| 693 |
1360
|
tao
|
//DBQuery.createSQuery is a re-calling of a previously called
|
| 694 |
384
|
berkley
|
//function but it is necessary
|
| 695 |
|
|
//so that overriding methods have access to the params hashtable
|
| 696 |
|
|
String xmlquery = DBQuery.createSQuery(params);
|
| 697 |
|
|
//the <?xml version="1.0"?> tag is the first 22 characters of the
|
| 698 |
|
|
xmlquery = xmlquery.trim();
|
| 699 |
|
|
int index = xmlquery.indexOf("?>");
|
| 700 |
1816
|
tao
|
if ( index != -1 )
|
| 701 |
|
|
{
|
| 702 |
|
|
//have <?xml version="1.0"?>
|
| 703 |
|
|
return xmlquery.substring(index + 2, xmlquery.length());
|
| 704 |
|
|
}
|
| 705 |
|
|
else
|
| 706 |
|
|
{
|
| 707 |
|
|
// don't have <?xml version="1.0"?>
|
| 708 |
|
|
return xmlquery;
|
| 709 |
|
|
}
|
| 710 |
384
|
berkley
|
}
|
| 711 |
1360
|
tao
|
|
| 712 |
384
|
berkley
|
/**
|
| 713 |
443
|
berkley
|
* removes the <?xml version="1.0"?> tag from the beginning. This takes a
|
| 714 |
|
|
* string as a param instead of a hashtable.
|
| 715 |
1360
|
tao
|
*
|
| 716 |
443
|
berkley
|
* @param xmlquery a string representing a query.
|
| 717 |
|
|
*/
|
| 718 |
|
|
protected String transformQuery(String xmlquery)
|
| 719 |
|
|
{
|
| 720 |
|
|
xmlquery = xmlquery.trim();
|
| 721 |
|
|
int index = xmlquery.indexOf("?>");
|
| 722 |
1816
|
tao
|
if (index != -1)
|
| 723 |
|
|
{
|
| 724 |
|
|
return xmlquery.substring(index + 2, xmlquery.length());
|
| 725 |
|
|
}
|
| 726 |
|
|
else
|
| 727 |
|
|
{
|
| 728 |
|
|
return xmlquery;
|
| 729 |
|
|
}
|
| 730 |
443
|
berkley
|
}
|
| 731 |
1360
|
tao
|
|
| 732 |
443
|
berkley
|
/**
|
| 733 |
380
|
jones
|
* Run the query and return a hashtable of results.
|
| 734 |
|
|
*
|
| 735 |
|
|
* @param xmlquery the query to run
|
| 736 |
|
|
*/
|
| 737 |
802
|
bojilova
|
private Hashtable runQuery(String xmlquery, String user, String[] groups)
|
| 738 |
341
|
berkley
|
{
|
| 739 |
|
|
Hashtable doclist=null;
|
| 740 |
1360
|
tao
|
|
| 741 |
341
|
berkley
|
try
|
| 742 |
|
|
{
|
| 743 |
1360
|
tao
|
|
| 744 |
1217
|
tao
|
DBQuery queryobj = new DBQuery(saxparser);
|
| 745 |
802
|
bojilova
|
doclist = queryobj.findDocuments(new StringReader(xmlquery),user,groups);
|
| 746 |
1360
|
tao
|
|
| 747 |
441
|
bojilova
|
return doclist;
|
| 748 |
1360
|
tao
|
}
|
| 749 |
|
|
catch (Exception e)
|
| 750 |
341
|
berkley
|
{
|
| 751 |
1360
|
tao
|
|
| 752 |
|
|
MetaCatUtil.debugMessage("Error in MetacatServlet.runQuery: "
|
| 753 |
1217
|
tao
|
+ e.getMessage(), 30);
|
| 754 |
341
|
berkley
|
doclist = null;
|
| 755 |
|
|
return doclist;
|
| 756 |
1360
|
tao
|
}
|
| 757 |
341
|
berkley
|
}
|
| 758 |
1360
|
tao
|
|
| 759 |
380
|
jones
|
/**
|
| 760 |
370
|
berkley
|
* Transorms an xml resultset document to html and sends it to the browser
|
| 761 |
380
|
jones
|
*
|
| 762 |
370
|
berkley
|
* @param resultdoc the string representation of the document that needs
|
| 763 |
|
|
* to be transformed.
|
| 764 |
|
|
* @param response the HttpServletResponse object bound to the client.
|
| 765 |
|
|
* @param out the output stream to the client
|
| 766 |
832
|
jones
|
* @param qformat the name of the style-set to use for transformations
|
| 767 |
1360
|
tao
|
*/
|
| 768 |
|
|
protected void transformResultset(String resultdoc,
|
| 769 |
380
|
jones
|
HttpServletResponse response,
|
| 770 |
1716
|
berkley
|
PrintWriter out, String qformat,
|
| 771 |
1956
|
jones
|
String sessionid, Hashtable params)
|
| 772 |
370
|
berkley
|
{
|
| 773 |
1360
|
tao
|
|
| 774 |
380
|
jones
|
try {
|
| 775 |
1360
|
tao
|
|
| 776 |
1217
|
tao
|
DBTransform trans = new DBTransform();
|
| 777 |
370
|
berkley
|
response.setContentType("text/html");
|
| 778 |
1360
|
tao
|
trans.transformXMLDocument(resultdoc, "-//NCEAS//resultset//EN",
|
| 779 |
1956
|
jones
|
"-//W3C//HTML//EN", qformat, out, params,
|
| 780 |
1717
|
berkley
|
sessionid);
|
| 781 |
1360
|
tao
|
|
| 782 |
382
|
berkley
|
}
|
| 783 |
|
|
catch(Exception e)
|
| 784 |
|
|
{
|
| 785 |
1360
|
tao
|
|
| 786 |
1217
|
tao
|
MetaCatUtil.debugMessage("Error in MetaCatServlet.transformResultset:"
|
| 787 |
|
|
+e.getMessage(), 30);
|
| 788 |
1360
|
tao
|
}
|
| 789 |
370
|
berkley
|
}
|
| 790 |
1360
|
tao
|
|
| 791 |
355
|
berkley
|
/**
|
| 792 |
|
|
* Transforms a hashtable of documents to an xml or html result.
|
| 793 |
380
|
jones
|
*
|
| 794 |
355
|
berkley
|
* @param doclist- the hashtable to transform
|
| 795 |
744
|
jones
|
* @param xmlquery- the query that returned the doclist result
|
| 796 |
355
|
berkley
|
*/
|
| 797 |
375
|
berkley
|
protected String createResultDocument(Hashtable doclist, String xmlquery)
|
| 798 |
341
|
berkley
|
{
|
| 799 |
|
|
// Create a buffer to hold the xml result
|
| 800 |
|
|
StringBuffer resultset = new StringBuffer();
|
| 801 |
1360
|
tao
|
|
| 802 |
|
|
// Print the resulting root nodes
|
| 803 |
341
|
berkley
|
String docid = null;
|
| 804 |
|
|
String document = null;
|
| 805 |
|
|
resultset.append("<?xml version=\"1.0\"?>\n");
|
| 806 |
|
|
resultset.append("<resultset>\n");
|
| 807 |
478
|
berkley
|
|
| 808 |
1360
|
tao
|
resultset.append(" <query>" + xmlquery + "</query>");
|
| 809 |
|
|
|
| 810 |
478
|
berkley
|
if(doclist != null)
|
| 811 |
341
|
berkley
|
{
|
| 812 |
1360
|
tao
|
Enumeration doclistkeys = doclist.keys();
|
| 813 |
|
|
while (doclistkeys.hasMoreElements())
|
| 814 |
478
|
berkley
|
{
|
| 815 |
|
|
docid = (String)doclistkeys.nextElement();
|
| 816 |
|
|
document = (String)doclist.get(docid);
|
| 817 |
|
|
resultset.append(" <document>" + document + "</document>");
|
| 818 |
|
|
}
|
| 819 |
|
|
}
|
| 820 |
|
|
|
| 821 |
341
|
berkley
|
resultset.append("</resultset>");
|
| 822 |
370
|
berkley
|
return resultset.toString();
|
| 823 |
341
|
berkley
|
}
|
| 824 |
731
|
bojilova
|
// END OF SQUERY & QUERY SECTION
|
| 825 |
1360
|
tao
|
|
| 826 |
943
|
tao
|
//Exoport section
|
| 827 |
|
|
/**
|
| 828 |
|
|
* Handle the "export" request of data package from Metacat in zip format
|
| 829 |
|
|
* @param params the Hashtable of HTTP request parameters
|
| 830 |
|
|
* @param response the HTTP response object linked to the client
|
| 831 |
|
|
* @param user the username sent the request
|
| 832 |
|
|
* @param groups the user's groupnames
|
| 833 |
|
|
*/
|
| 834 |
1360
|
tao
|
private void handleExportAction(Hashtable params,
|
| 835 |
1292
|
tao
|
HttpServletResponse response, String user, String[] groups, String passWord)
|
| 836 |
943
|
tao
|
{
|
| 837 |
1292
|
tao
|
// Output stream
|
| 838 |
943
|
tao
|
ServletOutputStream out = null;
|
| 839 |
1292
|
tao
|
// Zip output stream
|
| 840 |
943
|
tao
|
ZipOutputStream zOut = null;
|
| 841 |
|
|
DocumentImpl docImpls=null;
|
| 842 |
|
|
DBQuery queryObj=null;
|
| 843 |
1360
|
tao
|
|
| 844 |
943
|
tao
|
String[] docs = new String[10];
|
| 845 |
|
|
String docId = "";
|
| 846 |
|
|
|
| 847 |
|
|
try
|
| 848 |
|
|
{
|
| 849 |
|
|
// read the params
|
| 850 |
1360
|
tao
|
if (params.containsKey("docid"))
|
| 851 |
1292
|
tao
|
{
|
| 852 |
943
|
tao
|
docs = (String[])params.get("docid");
|
| 853 |
1292
|
tao
|
}//if
|
| 854 |
|
|
// Create a DBuery to handle export
|
| 855 |
|
|
queryObj = new DBQuery(saxparser);
|
| 856 |
|
|
// Get the docid
|
| 857 |
943
|
tao
|
docId=docs[0];
|
| 858 |
1292
|
tao
|
// Make sure the client specify docid
|
| 859 |
|
|
if (docId == null || docId.equals(""))
|
| 860 |
|
|
{
|
| 861 |
|
|
response.setContentType("text/xml"); //MIME type
|
| 862 |
|
|
// Get a printwriter
|
| 863 |
|
|
PrintWriter pw = response.getWriter();
|
| 864 |
|
|
// Send back message
|
| 865 |
|
|
pw.println("<?xml version=\"1.0\"?>");
|
| 866 |
|
|
pw.println("<error>");
|
| 867 |
|
|
pw.println("You didn't specify requested docid");
|
| 868 |
|
|
pw.println("</error>");
|
| 869 |
1360
|
tao
|
// Close printwriter
|
| 870 |
1292
|
tao
|
pw.close();
|
| 871 |
|
|
return;
|
| 872 |
|
|
}//if
|
| 873 |
|
|
// Get output stream
|
| 874 |
943
|
tao
|
out = response.getOutputStream();
|
| 875 |
|
|
response.setContentType("application/zip"); //MIME type
|
| 876 |
|
|
zOut = new ZipOutputStream(out);
|
| 877 |
1292
|
tao
|
zOut =queryObj.getZippedPackage(docId, out, user, groups, passWord);
|
| 878 |
943
|
tao
|
zOut.finish(); //terminate the zip file
|
| 879 |
|
|
zOut.close(); //close the zip stream
|
| 880 |
1360
|
tao
|
|
| 881 |
|
|
}//try
|
| 882 |
943
|
tao
|
catch (Exception e)
|
| 883 |
|
|
{
|
| 884 |
|
|
try
|
| 885 |
|
|
{
|
| 886 |
|
|
response.setContentType("text/xml"); //MIME type
|
| 887 |
1292
|
tao
|
// Send error message back
|
| 888 |
943
|
tao
|
if (out != null)
|
| 889 |
|
|
{
|
| 890 |
|
|
PrintWriter pw = new PrintWriter(out);
|
| 891 |
|
|
pw.println("<?xml version=\"1.0\"?>");
|
| 892 |
|
|
pw.println("<error>");
|
| 893 |
|
|
pw.println(e.getMessage());
|
| 894 |
|
|
pw.println("</error>");
|
| 895 |
1292
|
tao
|
// Close printwriter
|
| 896 |
943
|
tao
|
pw.close();
|
| 897 |
1292
|
tao
|
// Close output stream
|
| 898 |
|
|
out.close();
|
| 899 |
|
|
}//if
|
| 900 |
1360
|
tao
|
// Close zip output stream
|
| 901 |
943
|
tao
|
if ( zOut != null )
|
| 902 |
|
|
{
|
| 903 |
|
|
zOut.close();
|
| 904 |
1292
|
tao
|
}//if
|
| 905 |
|
|
}//try
|
| 906 |
943
|
tao
|
catch (IOException ioe)
|
| 907 |
|
|
{
|
| 908 |
1217
|
tao
|
MetaCatUtil.debugMessage("Problem with the servlet output " +
|
| 909 |
1292
|
tao
|
"in MetacatServlet.handleExportAction: " +
|
| 910 |
1217
|
tao
|
ioe.getMessage(), 30);
|
| 911 |
1292
|
tao
|
}//catch
|
| 912 |
943
|
tao
|
|
| 913 |
1292
|
tao
|
MetaCatUtil.debugMessage("Error in MetacatServlet.handleExportAction: " +
|
| 914 |
1217
|
tao
|
e.getMessage(), 30);
|
| 915 |
1292
|
tao
|
e.printStackTrace(System.out);
|
| 916 |
1360
|
tao
|
|
| 917 |
943
|
tao
|
}//catch
|
| 918 |
1360
|
tao
|
|
| 919 |
943
|
tao
|
}//handleExportAction
|
| 920 |
1360
|
tao
|
|
| 921 |
1716
|
berkley
|
|
| 922 |
1483
|
tao
|
//read inline data section
|
| 923 |
|
|
/**
|
| 924 |
1716
|
berkley
|
* In eml2 document, the xml can have inline data and data was stripped off
|
| 925 |
1483
|
tao
|
* and store in file system. This action can be used to read inline data only
|
| 926 |
|
|
* @param params the Hashtable of HTTP request parameters
|
| 927 |
|
|
* @param response the HTTP response object linked to the client
|
| 928 |
|
|
* @param user the username sent the request
|
| 929 |
|
|
* @param groups the user's groupnames
|
| 930 |
|
|
*/
|
| 931 |
|
|
private void handleReadInlineDataAction(Hashtable params,
|
| 932 |
|
|
HttpServletResponse response,
|
| 933 |
|
|
String user, String passWord,
|
| 934 |
|
|
String[] groups)
|
| 935 |
|
|
{
|
| 936 |
|
|
String[] docs = new String[10];
|
| 937 |
|
|
String inlineDataId = null;
|
| 938 |
|
|
String docId = "";
|
| 939 |
|
|
ServletOutputStream out = null;
|
| 940 |
|
|
|
| 941 |
|
|
try
|
| 942 |
|
|
{
|
| 943 |
|
|
// read the params
|
| 944 |
1490
|
tao
|
if (params.containsKey("inlinedataid"))
|
| 945 |
1483
|
tao
|
{
|
| 946 |
1490
|
tao
|
docs = (String[])params.get("inlinedataid");
|
| 947 |
1483
|
tao
|
}//if
|
| 948 |
|
|
// Get the docid
|
| 949 |
|
|
inlineDataId=docs[0];
|
| 950 |
|
|
// Make sure the client specify docid
|
| 951 |
|
|
if (inlineDataId == null || inlineDataId.equals(""))
|
| 952 |
|
|
{
|
| 953 |
1490
|
tao
|
throw new Exception("You didn't specify requested inlinedataid");
|
| 954 |
1483
|
tao
|
}//if
|
| 955 |
1716
|
berkley
|
|
| 956 |
1483
|
tao
|
// check for permission
|
| 957 |
1490
|
tao
|
docId = MetaCatUtil.getDocIdWithoutRevFromInlineDataID(inlineDataId);
|
| 958 |
|
|
PermissionController controller = new PermissionController(docId);
|
| 959 |
|
|
// check top level read permission
|
| 960 |
1716
|
berkley
|
if (!controller.hasPermission(user, groups,
|
| 961 |
1490
|
tao
|
AccessControlInterface.READSTRING))
|
| 962 |
|
|
{
|
| 963 |
|
|
throw new Exception("User "+ user + " doesn't have permission "+
|
| 964 |
|
|
" to read document " + docId);
|
| 965 |
|
|
}//if
|
| 966 |
|
|
// if the document has subtree control, we need to check subtree control
|
| 967 |
|
|
else if(controller.hasSubTreeAccessControl())
|
| 968 |
|
|
{
|
| 969 |
|
|
// get node id for inlinedata
|
| 970 |
|
|
long nodeId=getInlineDataNodeId(inlineDataId, docId);
|
| 971 |
|
|
if (!controller.hasPermissionForSubTreeNode(user, groups,
|
| 972 |
|
|
AccessControlInterface.READSTRING, nodeId))
|
| 973 |
|
|
{
|
| 974 |
|
|
throw new Exception("User "+ user + " doesn't have permission "+
|
| 975 |
|
|
" to read inlinedata " + inlineDataId);
|
| 976 |
|
|
}//if
|
| 977 |
1716
|
berkley
|
|
| 978 |
1490
|
tao
|
}//else
|
| 979 |
1716
|
berkley
|
|
| 980 |
1483
|
tao
|
// Get output stream
|
| 981 |
|
|
out = response.getOutputStream();
|
| 982 |
|
|
// read the inline data from the file
|
| 983 |
|
|
String inlinePath = MetaCatUtil.getOption("inlinedatafilepath");
|
| 984 |
|
|
File lineData = new File(inlinePath, inlineDataId);
|
| 985 |
|
|
FileInputStream input = new FileInputStream(lineData);
|
| 986 |
|
|
byte [] buffer = new byte[4*1024];
|
| 987 |
|
|
int bytes = input.read(buffer);
|
| 988 |
|
|
while (bytes != -1)
|
| 989 |
|
|
{
|
| 990 |
|
|
out.write(buffer, 0, bytes);
|
| 991 |
|
|
bytes = input.read(buffer);
|
| 992 |
|
|
}
|
| 993 |
|
|
out.close();
|
| 994 |
|
|
|
| 995 |
|
|
}//try
|
| 996 |
|
|
catch (Exception e)
|
| 997 |
|
|
{
|
| 998 |
|
|
try
|
| 999 |
1716
|
berkley
|
{
|
| 1000 |
1490
|
tao
|
PrintWriter pw = null;
|
| 1001 |
1483
|
tao
|
// Send error message back
|
| 1002 |
|
|
if (out != null)
|
| 1003 |
|
|
{
|
| 1004 |
1490
|
tao
|
pw = new PrintWriter(out);
|
| 1005 |
1483
|
tao
|
}//if
|
| 1006 |
1490
|
tao
|
else
|
| 1007 |
|
|
{
|
| 1008 |
|
|
pw = response.getWriter();
|
| 1009 |
1716
|
berkley
|
}
|
| 1010 |
1490
|
tao
|
pw.println("<?xml version=\"1.0\"?>");
|
| 1011 |
|
|
pw.println("<error>");
|
| 1012 |
|
|
pw.println(e.getMessage());
|
| 1013 |
|
|
pw.println("</error>");
|
| 1014 |
|
|
// Close printwriter
|
| 1015 |
|
|
pw.close();
|
| 1016 |
|
|
// Close output stream if out is not null
|
| 1017 |
|
|
if (out != null)
|
| 1018 |
|
|
{
|
| 1019 |
|
|
out.close();
|
| 1020 |
|
|
}
|
| 1021 |
1483
|
tao
|
}//try
|
| 1022 |
|
|
catch (IOException ioe)
|
| 1023 |
|
|
{
|
| 1024 |
|
|
MetaCatUtil.debugMessage("Problem with the servlet output " +
|
| 1025 |
|
|
"in MetacatServlet.handleExportAction: " +
|
| 1026 |
|
|
ioe.getMessage(), 30);
|
| 1027 |
|
|
}//catch
|
| 1028 |
|
|
|
| 1029 |
1716
|
berkley
|
MetaCatUtil.debugMessage("Error in MetacatServlet.handleReadInlineDataAction: "
|
| 1030 |
1483
|
tao
|
+ e.getMessage(), 30);
|
| 1031 |
1716
|
berkley
|
|
| 1032 |
1483
|
tao
|
}//catch
|
| 1033 |
|
|
|
| 1034 |
|
|
}//handleReadInlineDataAction
|
| 1035 |
1716
|
berkley
|
|
| 1036 |
1490
|
tao
|
/*
|
| 1037 |
|
|
* Get the nodeid from xml_nodes for the inlinedataid
|
| 1038 |
|
|
*/
|
| 1039 |
1716
|
berkley
|
private long getInlineDataNodeId(String inLineDataId, String docId)
|
| 1040 |
1490
|
tao
|
throws SQLException
|
| 1041 |
|
|
{
|
| 1042 |
|
|
long nodeId = 0;
|
| 1043 |
|
|
String INLINE = "inline";
|
| 1044 |
|
|
boolean hasRow;
|
| 1045 |
|
|
PreparedStatement pStmt = null;
|
| 1046 |
|
|
DBConnection conn = null;
|
| 1047 |
|
|
int serialNumber = -1;
|
| 1048 |
|
|
String sql ="SELECT nodeid FROM xml_nodes WHERE docid=? AND nodedata=? " +
|
| 1049 |
|
|
"AND nodetype='TEXT' AND parentnodeid IN " +
|
| 1050 |
1716
|
berkley
|
"(SELECT nodeid FROM xml_nodes WHERE docid=? AND " +
|
| 1051 |
1490
|
tao
|
"nodetype='ELEMENT' AND nodename='" + INLINE + "')";
|
| 1052 |
1716
|
berkley
|
|
| 1053 |
1490
|
tao
|
try
|
| 1054 |
|
|
{
|
| 1055 |
|
|
//check out DBConnection
|
| 1056 |
|
|
conn=DBConnectionPool.getDBConnection("AccessControlList.isAllowFirst");
|
| 1057 |
|
|
serialNumber=conn.getCheckOutSerialNumber();
|
| 1058 |
1716
|
berkley
|
|
| 1059 |
1490
|
tao
|
pStmt = conn.prepareStatement(sql);
|
| 1060 |
|
|
//bind value
|
| 1061 |
|
|
pStmt.setString(1, docId);//docid
|
| 1062 |
|
|
pStmt.setString(2, inLineDataId);//inlinedataid
|
| 1063 |
|
|
pStmt.setString(3, docId);
|
| 1064 |
1716
|
berkley
|
// excute query
|
| 1065 |
1490
|
tao
|
pStmt.execute();
|
| 1066 |
|
|
ResultSet rs = pStmt.getResultSet();
|
| 1067 |
|
|
hasRow=rs.next();
|
| 1068 |
|
|
// get result
|
| 1069 |
|
|
if (hasRow)
|
| 1070 |
|
|
{
|
| 1071 |
1716
|
berkley
|
nodeId = rs.getLong(1);
|
| 1072 |
1490
|
tao
|
}//if
|
| 1073 |
1716
|
berkley
|
|
| 1074 |
1490
|
tao
|
}//try
|
| 1075 |
|
|
catch (SQLException e)
|
| 1076 |
|
|
{
|
| 1077 |
|
|
throw e;
|
| 1078 |
|
|
}
|
| 1079 |
|
|
finally
|
| 1080 |
|
|
{
|
| 1081 |
|
|
try
|
| 1082 |
|
|
{
|
| 1083 |
|
|
pStmt.close();
|
| 1084 |
|
|
}
|
| 1085 |
|
|
finally
|
| 1086 |
|
|
{
|
| 1087 |
|
|
DBConnectionPool.returnDBConnection(conn, serialNumber);
|
| 1088 |
|
|
}
|
| 1089 |
|
|
}
|
| 1090 |
|
|
MetaCatUtil.debugMessage("The nodeid for inlinedataid " + inLineDataId +
|
| 1091 |
|
|
" is: "+nodeId, 35);
|
| 1092 |
|
|
return nodeId;
|
| 1093 |
|
|
}
|
| 1094 |
1716
|
berkley
|
|
| 1095 |
|
|
|
| 1096 |
|
|
|
| 1097 |
731
|
bojilova
|
// READ SECTION
|
| 1098 |
1360
|
tao
|
/**
|
| 1099 |
731
|
bojilova
|
* Handle the "read" request of metadata/data files from Metacat
|
| 1100 |
|
|
* or any files from Internet;
|
| 1101 |
|
|
* transformed metadata XML document into HTML presentation if requested;
|
| 1102 |
|
|
* zip files when more than one were requested.
|
| 1103 |
|
|
*
|
| 1104 |
|
|
* @param params the Hashtable of HTTP request parameters
|
| 1105 |
|
|
* @param response the HTTP response object linked to the client
|
| 1106 |
|
|
* @param user the username sent the request
|
| 1107 |
802
|
bojilova
|
* @param groups the user's groupnames
|
| 1108 |
437
|
berkley
|
*/
|
| 1109 |
731
|
bojilova
|
private void handleReadAction(Hashtable params, HttpServletResponse response,
|
| 1110 |
1360
|
tao
|
String user, String passWord, String[] groups)
|
| 1111 |
437
|
berkley
|
{
|
| 1112 |
731
|
bojilova
|
ServletOutputStream out = null;
|
| 1113 |
|
|
ZipOutputStream zout = null;
|
| 1114 |
1292
|
tao
|
PrintWriter pw = null;
|
| 1115 |
|
|
boolean zip = false;
|
| 1116 |
1482
|
tao
|
boolean withInlineData = true;
|
| 1117 |
1360
|
tao
|
|
| 1118 |
731
|
bojilova
|
try {
|
| 1119 |
|
|
String[] docs = new String[0];
|
| 1120 |
|
|
String docid = "";
|
| 1121 |
|
|
String qformat = "";
|
| 1122 |
|
|
String abstrpath = null;
|
| 1123 |
1360
|
tao
|
|
| 1124 |
731
|
bojilova
|
// read the params
|
| 1125 |
|
|
if (params.containsKey("docid")) {
|
| 1126 |
|
|
docs = (String[])params.get("docid");
|
| 1127 |
437
|
berkley
|
}
|
| 1128 |
731
|
bojilova
|
if (params.containsKey("qformat")) {
|
| 1129 |
|
|
qformat = ((String[])params.get("qformat"))[0];
|
| 1130 |
437
|
berkley
|
}
|
| 1131 |
1482
|
tao
|
// the param for only metadata (eml)
|
| 1132 |
|
|
if (params.containsKey("inlinedata"))
|
| 1133 |
|
|
{
|
| 1134 |
1716
|
berkley
|
|
| 1135 |
1482
|
tao
|
String inlineData = ((String[])params.get("inlinedata"))[0];
|
| 1136 |
|
|
if (inlineData.equalsIgnoreCase("false"))
|
| 1137 |
|
|
{
|
| 1138 |
|
|
withInlineData = false;
|
| 1139 |
|
|
}
|
| 1140 |
1716
|
berkley
|
}
|
| 1141 |
731
|
bojilova
|
if ( (docs.length > 1) || qformat.equals("zip") ) {
|
| 1142 |
|
|
zip = true;
|
| 1143 |
|
|
out = response.getOutputStream();
|
| 1144 |
|
|
response.setContentType("application/zip"); //MIME type
|
| 1145 |
|
|
zout = new ZipOutputStream(out);
|
| 1146 |
|
|
}
|
| 1147 |
|
|
// go through the list of docs to read
|
| 1148 |
|
|
for (int i=0; i < docs.length; i++ ) {
|
| 1149 |
|
|
try {
|
| 1150 |
|
|
|
| 1151 |
|
|
URL murl = new URL(docs[i]);
|
| 1152 |
|
|
Hashtable murlQueryStr = util.parseQuery(murl.getQuery());
|
| 1153 |
1360
|
tao
|
// case docid="http://.../?docid=aaa"
|
| 1154 |
731
|
bojilova
|
// or docid="metacat://.../?docid=bbb"
|
| 1155 |
|
|
if (murlQueryStr.containsKey("docid")) {
|
| 1156 |
|
|
// get only docid, eliminate the rest
|
| 1157 |
|
|
docid = (String)murlQueryStr.get("docid");
|
| 1158 |
|
|
if ( zip ) {
|
| 1159 |
947
|
tao
|
addDocToZip(docid, zout, user, groups);
|
| 1160 |
731
|
bojilova
|
} else {
|
| 1161 |
|
|
readFromMetacat(response, docid, qformat, abstrpath,
|
| 1162 |
1665
|
tao
|
user, groups, zip, zout, withInlineData, params);
|
| 1163 |
731
|
bojilova
|
}
|
| 1164 |
|
|
|
| 1165 |
|
|
// case docid="http://.../filename"
|
| 1166 |
|
|
} else {
|
| 1167 |
|
|
docid = docs[i];
|
| 1168 |
|
|
if ( zip ) {
|
| 1169 |
947
|
tao
|
addDocToZip(docid, zout, user, groups);
|
| 1170 |
731
|
bojilova
|
} else {
|
| 1171 |
|
|
readFromURLConnection(response, docid);
|
| 1172 |
|
|
}
|
| 1173 |
|
|
}
|
| 1174 |
|
|
|
| 1175 |
|
|
// case docid="ccc"
|
| 1176 |
|
|
} catch (MalformedURLException mue) {
|
| 1177 |
|
|
docid = docs[i];
|
| 1178 |
|
|
if ( zip ) {
|
| 1179 |
947
|
tao
|
addDocToZip(docid, zout, user, groups);
|
| 1180 |
731
|
bojilova
|
} else {
|
| 1181 |
|
|
readFromMetacat(response, docid, qformat, abstrpath,
|
| 1182 |
1665
|
tao
|
user, groups, zip, zout, withInlineData, params);
|
| 1183 |
731
|
bojilova
|
}
|
| 1184 |
|
|
}
|
| 1185 |
1360
|
tao
|
|
| 1186 |
731
|
bojilova
|
} /* end for */
|
| 1187 |
1360
|
tao
|
|
| 1188 |
731
|
bojilova
|
if ( zip ) {
|
| 1189 |
|
|
zout.finish(); //terminate the zip file
|
| 1190 |
|
|
zout.close(); //close the zip stream
|
| 1191 |
|
|
}
|
| 1192 |
1360
|
tao
|
|
| 1193 |
|
|
|
| 1194 |
1292
|
tao
|
}
|
| 1195 |
|
|
// To handle doc not found exception
|
| 1196 |
|
|
catch (McdbDocNotFoundException notFoundE)
|
| 1197 |
|
|
{
|
| 1198 |
|
|
// the docid which didn't be found
|
| 1199 |
|
|
String notFoundDocId = notFoundE.getUnfoundDocId();
|
| 1200 |
|
|
String notFoundRevision = notFoundE.getUnfoundRevision();
|
| 1201 |
|
|
MetaCatUtil.debugMessage("Missed id: "+ notFoundDocId, 30);
|
| 1202 |
|
|
MetaCatUtil.debugMessage("Missed rev: "+ notFoundRevision, 30);
|
| 1203 |
|
|
try
|
| 1204 |
|
|
{
|
| 1205 |
|
|
// read docid from remote server
|
| 1206 |
|
|
readFromRemoteMetaCat(response, notFoundDocId, notFoundRevision,
|
| 1207 |
|
|
user, passWord, out, zip, zout);
|
| 1208 |
|
|
// Close zout outputstream
|
| 1209 |
|
|
if ( zout != null)
|
| 1210 |
|
|
{
|
| 1211 |
|
|
zout.close();
|
| 1212 |
|
|
}
|
| 1213 |
|
|
// close output stream
|
| 1214 |
|
|
if (out != null)
|
| 1215 |
|
|
{
|
| 1216 |
|
|
out.close();
|
| 1217 |
|
|
}
|
| 1218 |
1360
|
tao
|
|
| 1219 |
1292
|
tao
|
}//try
|
| 1220 |
|
|
catch ( Exception exc)
|
| 1221 |
|
|
{
|
| 1222 |
|
|
MetaCatUtil.debugMessage("Erorr in MetacatServlet.hanldReadAction: "+
|
| 1223 |
|
|
exc.getMessage(), 30);
|
| 1224 |
|
|
try
|
| 1225 |
|
|
{
|
| 1226 |
1360
|
tao
|
if (out != null)
|
| 1227 |
1292
|
tao
|
{
|
| 1228 |
|
|
response.setContentType("text/xml");
|
| 1229 |
|
|
// Send back error message by printWriter
|
| 1230 |
|
|
pw = new PrintWriter(out);
|
| 1231 |
|
|
pw.println("<?xml version=\"1.0\"?>");
|
| 1232 |
|
|
pw.println("<error>");
|
| 1233 |
|
|
pw.println(notFoundE.getMessage());
|
| 1234 |
|
|
pw.println("</error>");
|
| 1235 |
|
|
pw.close();
|
| 1236 |
|
|
out.close();
|
| 1237 |
1360
|
tao
|
|
| 1238 |
1292
|
tao
|
}
|
| 1239 |
|
|
else
|
| 1240 |
|
|
{
|
| 1241 |
|
|
response.setContentType("text/xml"); //MIME type
|
| 1242 |
|
|
// Send back error message if out = null
|
| 1243 |
|
|
if (pw == null)
|
| 1244 |
|
|
{
|
| 1245 |
|
|
// If pw is null, open the respnose
|
| 1246 |
|
|
pw = response.getWriter();
|
| 1247 |
|
|
}
|
| 1248 |
|
|
pw.println("<?xml version=\"1.0\"?>");
|
| 1249 |
|
|
pw.println("<error>");
|
| 1250 |
|
|
pw.println(notFoundE.getMessage());
|
| 1251 |
|
|
pw.println("</error>");
|
| 1252 |
|
|
pw.close();
|
| 1253 |
|
|
}
|
| 1254 |
|
|
// close zout
|
| 1255 |
1360
|
tao
|
if ( zout != null )
|
| 1256 |
|
|
{
|
| 1257 |
|
|
zout.close();
|
| 1258 |
1292
|
tao
|
}
|
| 1259 |
|
|
}//try
|
| 1260 |
|
|
catch (IOException ie)
|
| 1261 |
|
|
{
|
| 1262 |
|
|
MetaCatUtil.debugMessage("Problem with the servlet output " +
|
| 1263 |
|
|
"in MetacatServlet.handleReadAction: " +
|
| 1264 |
|
|
ie.getMessage(), 30);
|
| 1265 |
|
|
}//cathch
|
| 1266 |
|
|
}//catch
|
| 1267 |
|
|
}// catch McdbDocNotFoundException
|
| 1268 |
1360
|
tao
|
catch (Exception e)
|
| 1269 |
1292
|
tao
|
{
|
| 1270 |
731
|
bojilova
|
try {
|
| 1271 |
1360
|
tao
|
|
| 1272 |
845
|
jones
|
if (out != null) {
|
| 1273 |
1292
|
tao
|
response.setContentType("text/xml"); //MIME type
|
| 1274 |
|
|
pw = new PrintWriter(out);
|
| 1275 |
845
|
jones
|
pw.println("<?xml version=\"1.0\"?>");
|
| 1276 |
|
|
pw.println("<error>");
|
| 1277 |
|
|
pw.println(e.getMessage());
|
| 1278 |
|
|
pw.println("</error>");
|
| 1279 |
|
|
pw.close();
|
| 1280 |
1292
|
tao
|
out.close();
|
| 1281 |
845
|
jones
|
}
|
| 1282 |
1292
|
tao
|
else
|
| 1283 |
|
|
{
|
| 1284 |
|
|
response.setContentType("text/xml"); //MIME type
|
| 1285 |
|
|
// Send back error message if out = null
|
| 1286 |
|
|
if ( pw == null)
|
| 1287 |
|
|
{
|
| 1288 |
|
|
pw = response.getWriter();
|
| 1289 |
|
|
}
|
| 1290 |
|
|
pw.println("<?xml version=\"1.0\"?>");
|
| 1291 |
|
|
pw.println("<error>");
|
| 1292 |
|
|
pw.println(e.getMessage());
|
| 1293 |
|
|
pw.println("</error>");
|
| 1294 |
|
|
pw.close();
|
| 1295 |
1360
|
tao
|
|
| 1296 |
1292
|
tao
|
}
|
| 1297 |
|
|
// Close zip output stream
|
| 1298 |
731
|
bojilova
|
if ( zout != null ) { zout.close(); }
|
| 1299 |
1360
|
tao
|
|
| 1300 |
731
|
bojilova
|
} catch (IOException ioe) {
|
| 1301 |
1292
|
tao
|
MetaCatUtil.debugMessage("Problem with the servlet output " +
|
| 1302 |
731
|
bojilova
|
"in MetacatServlet.handleReadAction: " +
|
| 1303 |
1292
|
tao
|
ioe.getMessage(), 30);
|
| 1304 |
731
|
bojilova
|
ioe.printStackTrace(System.out);
|
| 1305 |
1360
|
tao
|
|
| 1306 |
731
|
bojilova
|
}
|
| 1307 |
|
|
|
| 1308 |
1482
|
tao
|
MetaCatUtil.debugMessage("Error in MetacatServlet.handleReadAction: " +
|
| 1309 |
|
|
e.getMessage(), 30);
|
| 1310 |
|
|
//e.printStackTrace(System.out);
|
| 1311 |
437
|
berkley
|
}
|
| 1312 |
1360
|
tao
|
|
| 1313 |
437
|
berkley
|
}
|
| 1314 |
1360
|
tao
|
|
| 1315 |
731
|
bojilova
|
// read metadata or data from Metacat
|
| 1316 |
|
|
private void readFromMetacat(HttpServletResponse response, String docid,
|
| 1317 |
|
|
String qformat, String abstrpath, String user,
|
| 1318 |
1716
|
berkley
|
String[] groups, boolean zip,
|
| 1319 |
1665
|
tao
|
ZipOutputStream zout, boolean withInlineData,
|
| 1320 |
|
|
Hashtable params)
|
| 1321 |
1360
|
tao
|
throws ClassNotFoundException, IOException, SQLException,
|
| 1322 |
731
|
bojilova
|
McdbException, Exception
|
| 1323 |
453
|
berkley
|
{
|
| 1324 |
1360
|
tao
|
|
| 1325 |
731
|
bojilova
|
try {
|
| 1326 |
1360
|
tao
|
|
| 1327 |
|
|
|
| 1328 |
1217
|
tao
|
DocumentImpl doc = new DocumentImpl(docid);
|
| 1329 |
1360
|
tao
|
|
| 1330 |
947
|
tao
|
//check the permission for read
|
| 1331 |
1217
|
tao
|
if (!doc.hasReadPermission(user, groups, docid))
|
| 1332 |
947
|
tao
|
{
|
| 1333 |
|
|
Exception e = new Exception("User " + user + " does not have permission"
|
| 1334 |
|
|
+" to read the document with the docid " + docid);
|
| 1335 |
1360
|
tao
|
|
| 1336 |
947
|
tao
|
throw e;
|
| 1337 |
|
|
}
|
| 1338 |
1360
|
tao
|
|
| 1339 |
731
|
bojilova
|
if ( doc.getRootNodeID() == 0 ) {
|
| 1340 |
|
|
// this is data file
|
| 1341 |
|
|
String filepath = util.getOption("datafilepath");
|
| 1342 |
|
|
if(!filepath.endsWith("/")) {
|
| 1343 |
|
|
filepath += "/";
|
| 1344 |
|
|
}
|
| 1345 |
1292
|
tao
|
String filename = filepath + docid;
|
| 1346 |
|
|
FileInputStream fin = null;
|
| 1347 |
|
|
fin = new FileInputStream(filename);
|
| 1348 |
1360
|
tao
|
|
| 1349 |
1292
|
tao
|
//MIME type
|
| 1350 |
731
|
bojilova
|
String contentType = getServletContext().getMimeType(filename);
|
| 1351 |
1716
|
berkley
|
if (contentType == null)
|
| 1352 |
1556
|
tao
|
{
|
| 1353 |
|
|
ContentTypeProvider provider = new ContentTypeProvider(docid);
|
| 1354 |
|
|
contentType = provider.getContentType();
|
| 1355 |
|
|
MetaCatUtil.debugMessage("Final contenttype is: "+ contentType, 30);
|
| 1356 |
453
|
berkley
|
}
|
| 1357 |
1716
|
berkley
|
|
| 1358 |
731
|
bojilova
|
response.setContentType(contentType);
|
| 1359 |
733
|
bojilova
|
// if we decide to use "application/octet-stream" for all data returns
|
| 1360 |
|
|
// response.setContentType("application/octet-stream");
|
| 1361 |
1360
|
tao
|
|
| 1362 |
731
|
bojilova
|
try {
|
| 1363 |
1360
|
tao
|
|
| 1364 |
|
|
ServletOutputStream out = response.getOutputStream();
|
| 1365 |
731
|
bojilova
|
byte[] buf = new byte[4 * 1024]; // 4K buffer
|
| 1366 |
|
|
int b = fin.read(buf);
|
| 1367 |
|
|
while (b != -1) {
|
| 1368 |
|
|
out.write(buf, 0, b);
|
| 1369 |
|
|
b = fin.read(buf);
|
| 1370 |
453
|
berkley
|
}
|
| 1371 |
731
|
bojilova
|
} finally {
|
| 1372 |
|
|
if (fin != null) fin.close();
|
| 1373 |
453
|
berkley
|
}
|
| 1374 |
731
|
bojilova
|
|
| 1375 |
|
|
} else {
|
| 1376 |
|
|
// this is metadata doc
|
| 1377 |
1360
|
tao
|
if ( qformat.equals("xml") ) {
|
| 1378 |
|
|
|
| 1379 |
832
|
jones
|
// set content type first
|
| 1380 |
|
|
response.setContentType("text/xml"); //MIME type
|
| 1381 |
|
|
PrintWriter out = response.getWriter();
|
| 1382 |
1482
|
tao
|
doc.toXml(out, user, groups, withInlineData);
|
| 1383 |
832
|
jones
|
} else {
|
| 1384 |
731
|
bojilova
|
response.setContentType("text/html"); //MIME type
|
| 1385 |
|
|
PrintWriter out = response.getWriter();
|
| 1386 |
1360
|
tao
|
|
| 1387 |
731
|
bojilova
|
// Look up the document type
|
| 1388 |
|
|
String doctype = doc.getDoctype();
|
| 1389 |
|
|
// Transform the document to the new doctype
|
| 1390 |
1217
|
tao
|
DBTransform dbt = new DBTransform();
|
| 1391 |
1482
|
tao
|
dbt.transformXMLDocument(doc.toString(user, groups, withInlineData),
|
| 1392 |
1716
|
berkley
|
doctype,"-//W3C//HTML//EN",
|
| 1393 |
1665
|
tao
|
qformat, out, params);
|
| 1394 |
731
|
bojilova
|
}
|
| 1395 |
1360
|
tao
|
|
| 1396 |
453
|
berkley
|
}
|
| 1397 |
1292
|
tao
|
}
|
| 1398 |
1360
|
tao
|
catch (Exception except)
|
| 1399 |
1292
|
tao
|
{
|
| 1400 |
1217
|
tao
|
throw except;
|
| 1401 |
1360
|
tao
|
|
| 1402 |
731
|
bojilova
|
}
|
| 1403 |
1360
|
tao
|
|
| 1404 |
731
|
bojilova
|
}
|
| 1405 |
1360
|
tao
|
|
| 1406 |
731
|
bojilova
|
// read data from URLConnection
|
| 1407 |
|
|
private void readFromURLConnection(HttpServletResponse response, String docid)
|
| 1408 |
|
|
throws IOException, MalformedURLException
|
| 1409 |
566
|
jones
|
{
|
| 1410 |
1360
|
tao
|
ServletOutputStream out = response.getOutputStream();
|
| 1411 |
731
|
bojilova
|
String contentType = getServletContext().getMimeType(docid); //MIME type
|
| 1412 |
|
|
if (contentType == null) {
|
| 1413 |
|
|
if (docid.endsWith(".xml")) {
|
| 1414 |
|
|
contentType="text/xml";
|
| 1415 |
|
|
} else if (docid.endsWith(".css")) {
|
| 1416 |
|
|
contentType="text/css";
|
| 1417 |
|
|
} else if (docid.endsWith(".dtd")) {
|
| 1418 |
|
|
contentType="text/plain";
|
| 1419 |
|
|
} else if (docid.endsWith(".xsd")) {
|
| 1420 |
733
|
bojilova
|
contentType="text/xml";
|
| 1421 |
731
|
bojilova
|
} else if (docid.endsWith("/")) {
|
| 1422 |
733
|
bojilova
|
contentType="text/html";
|
| 1423 |
731
|
bojilova
|
} else {
|
| 1424 |
733
|
bojilova
|
File f = new File(docid);
|
| 1425 |
|
|
if ( f.isDirectory() ) {
|
| 1426 |
|
|
contentType="text/html";
|
| 1427 |
|
|
} else {
|
| 1428 |
|
|
contentType="application/octet-stream";
|
| 1429 |
|
|
}
|
| 1430 |
731
|
bojilova
|
}
|
| 1431 |
|
|
}
|
| 1432 |
|
|
response.setContentType(contentType);
|
| 1433 |
733
|
bojilova
|
// if we decide to use "application/octet-stream" for all data returns
|
| 1434 |
|
|
// response.setContentType("application/octet-stream");
|
| 1435 |
731
|
bojilova
|
|
| 1436 |
|
|
// this is http url
|
| 1437 |
|
|
URL url = new URL(docid);
|
| 1438 |
|
|
BufferedInputStream bis = null;
|
| 1439 |
566
|
jones
|
try {
|
| 1440 |
731
|
bojilova
|
bis = new BufferedInputStream(url.openStream());
|
| 1441 |
|
|
byte[] buf = new byte[4 * 1024]; // 4K buffer
|
| 1442 |
|
|
int b = bis.read(buf);
|
| 1443 |
|
|
while (b != -1) {
|
| 1444 |
|
|
out.write(buf, 0, b);
|
| 1445 |
|
|
b = bis.read(buf);
|
| 1446 |
636
|
berkley
|
}
|
| 1447 |
731
|
bojilova
|
} finally {
|
| 1448 |
|
|
if (bis != null) bis.close();
|
| 1449 |
566
|
jones
|
}
|
| 1450 |
1360
|
tao
|
|
| 1451 |
566
|
jones
|
}
|
| 1452 |
1360
|
tao
|
|
| 1453 |
731
|
bojilova
|
// read file/doc and write to ZipOutputStream
|
| 1454 |
1360
|
tao
|
private void addDocToZip(String docid, ZipOutputStream zout,
|
| 1455 |
947
|
tao
|
String user, String[] groups)
|
| 1456 |
1360
|
tao
|
throws ClassNotFoundException, IOException, SQLException,
|
| 1457 |
731
|
bojilova
|
McdbException, Exception
|
| 1458 |
636
|
berkley
|
{
|
| 1459 |
731
|
bojilova
|
byte[] bytestring = null;
|
| 1460 |
|
|
ZipEntry zentry = null;
|
| 1461 |
|
|
|
| 1462 |
|
|
try {
|
| 1463 |
|
|
URL url = new URL(docid);
|
| 1464 |
|
|
|
| 1465 |
|
|
// this http url; read from URLConnection; add to zip
|
| 1466 |
|
|
zentry = new ZipEntry(docid);
|
| 1467 |
|
|
zout.putNextEntry(zentry);
|
| 1468 |
|
|
BufferedInputStream bis = null;
|
| 1469 |
|
|
try {
|
| 1470 |
|
|
bis = new BufferedInputStream(url.openStream());
|
| 1471 |
|
|
byte[] buf = new byte[4 * 1024]; // 4K buffer
|
| 1472 |
|
|
int b = bis.read(buf);
|
| 1473 |
|
|
while(b != -1) {
|
| 1474 |
|
|
zout.write(buf, 0, b);
|
| 1475 |
|
|
b = bis.read(buf);
|
| 1476 |
|
|
}
|
| 1477 |
|
|
} finally {
|
| 1478 |
|
|
if (bis != null) bis.close();
|
| 1479 |
636
|
berkley
|
}
|
| 1480 |
731
|
bojilova
|
zout.closeEntry();
|
| 1481 |
|
|
|
| 1482 |
|
|
} catch (MalformedURLException mue) {
|
| 1483 |
1360
|
tao
|
|
| 1484 |
731
|
bojilova
|
// this is metacat doc (data file or metadata doc)
|
| 1485 |
1360
|
tao
|
|
| 1486 |
731
|
bojilova
|
try {
|
| 1487 |
1360
|
tao
|
|
| 1488 |
1217
|
tao
|
DocumentImpl doc = new DocumentImpl(docid);
|
| 1489 |
1360
|
tao
|
|
| 1490 |
947
|
tao
|
//check the permission for read
|
| 1491 |
1217
|
tao
|
if (!doc.hasReadPermission(user, groups, docid))
|
| 1492 |
947
|
tao
|
{
|
| 1493 |
|
|
Exception e = new Exception("User " + user + " does not have "
|
| 1494 |
|
|
+"permission to read the document with the docid " + docid);
|
| 1495 |
1360
|
tao
|
|
| 1496 |
947
|
tao
|
throw e;
|
| 1497 |
1360
|
tao
|
}
|
| 1498 |
|
|
|
| 1499 |
731
|
bojilova
|
if ( doc.getRootNodeID() == 0 ) {
|
| 1500 |
|
|
// this is data file; add file to zip
|
| 1501 |
|
|
String filepath = util.getOption("datafilepath");
|
| 1502 |
|
|
if(!filepath.endsWith("/")) {
|
| 1503 |
|
|
filepath += "/";
|
| 1504 |
|
|
}
|
| 1505 |
1292
|
tao
|
String filename = filepath + docid;
|
| 1506 |
731
|
bojilova
|
FileInputStream fin = null;
|
| 1507 |
1292
|
tao
|
fin = new FileInputStream(filename);
|
| 1508 |
731
|
bojilova
|
try {
|
| 1509 |
1360
|
tao
|
|
| 1510 |
1292
|
tao
|
zentry = new ZipEntry(docid);
|
| 1511 |
|
|
zout.putNextEntry(zentry);
|
| 1512 |
731
|
bojilova
|
byte[] buf = new byte[4 * 1024]; // 4K buffer
|
| 1513 |
|
|
int b = fin.read(buf);
|
| 1514 |
|
|
while (b != -1) {
|
| 1515 |
|
|
zout.write(buf, 0, b);
|
| 1516 |
|
|
b = fin.read(buf);
|
| 1517 |
|
|
}
|
| 1518 |
|
|
} finally {
|
| 1519 |
|
|
if (fin != null) fin.close();
|
| 1520 |
|
|
}
|
| 1521 |
|
|
zout.closeEntry();
|
| 1522 |
|
|
|
| 1523 |
|
|
} else {
|
| 1524 |
|
|
// this is metadata doc; add doc to zip
|
| 1525 |
|
|
bytestring = doc.toString().getBytes();
|
| 1526 |
|
|
zentry = new ZipEntry(docid + ".xml");
|
| 1527 |
|
|
zentry.setSize(bytestring.length);
|
| 1528 |
|
|
zout.putNextEntry(zentry);
|
| 1529 |
|
|
zout.write(bytestring, 0, bytestring.length);
|
| 1530 |
|
|
zout.closeEntry();
|
| 1531 |
636
|
berkley
|
}
|
| 1532 |
1217
|
tao
|
} catch (Exception except) {
|
| 1533 |
|
|
throw except;
|
| 1534 |
1360
|
tao
|
|
| 1535 |
636
|
berkley
|
}
|
| 1536 |
1360
|
tao
|
|
| 1537 |
636
|
berkley
|
}
|
| 1538 |
1360
|
tao
|
|
| 1539 |
636
|
berkley
|
}
|
| 1540 |
2072
|
jones
|
|
| 1541 |
1292
|
tao
|
/**
|
| 1542 |
|
|
* If metacat couldn't find a data file or document locally, it will read this
|
| 1543 |
|
|
* docid from its home server. This is for the replication feature
|
| 1544 |
|
|
*/
|
| 1545 |
1360
|
tao
|
private void readFromRemoteMetaCat(HttpServletResponse response, String docid,
|
| 1546 |
|
|
String rev, String user, String password,
|
| 1547 |
1292
|
tao
|
ServletOutputStream out, boolean zip, ZipOutputStream zout)
|
| 1548 |
|
|
throws Exception
|
| 1549 |
|
|
{
|
| 1550 |
|
|
// Create a object of RemoteDocument, "" is for zipEntryPath
|
| 1551 |
1360
|
tao
|
RemoteDocument remoteDoc =
|
| 1552 |
1292
|
tao
|
new RemoteDocument (docid, rev,user, password, "");
|
| 1553 |
1293
|
tao
|
String docType = remoteDoc.getDocType();
|
| 1554 |
|
|
// Only read data file
|
| 1555 |
|
|
if (docType.equals("BIN"))
|
| 1556 |
1292
|
tao
|
{
|
| 1557 |
1293
|
tao
|
// If it is zip format
|
| 1558 |
|
|
if (zip)
|
| 1559 |
|
|
{
|
| 1560 |
|
|
remoteDoc.readDocumentFromRemoteServerByZip(zout);
|
| 1561 |
1360
|
tao
|
}//if
|
| 1562 |
1293
|
tao
|
else
|
| 1563 |
|
|
{
|
| 1564 |
|
|
if (out == null)
|
| 1565 |
|
|
{
|
| 1566 |
|
|
out = response.getOutputStream();
|
| 1567 |
|
|
}//if
|
| 1568 |
|
|
response.setContentType("application/octet-stream");
|
| 1569 |
|
|
remoteDoc.readDocumentFromRemoteServer(out);
|
| 1570 |
|
|
}//else (not zip)
|
| 1571 |
1360
|
tao
|
}//if doctype=bin
|
| 1572 |
1292
|
tao
|
else
|
| 1573 |
|
|
{
|
| 1574 |
1293
|
tao
|
throw new Exception("Docid: "+docid+"."+rev+" couldn't find");
|
| 1575 |
1360
|
tao
|
}//else
|
| 1576 |
1292
|
tao
|
}//readFromRemoteMetaCat
|
| 1577 |
1360
|
tao
|
|
| 1578 |
731
|
bojilova
|
// END OF READ SECTION
|
| 1579 |
1716
|
berkley
|
|
| 1580 |
|
|
|
| 1581 |
|
|
|
| 1582 |
731
|
bojilova
|
// INSERT/UPDATE SECTION
|
| 1583 |
1360
|
tao
|
/**
|
| 1584 |
|
|
* Handle the database putdocument request and write an XML document
|
| 1585 |
55
|
jones
|
* to the database connection
|
| 1586 |
|
|
*/
|
| 1587 |
1360
|
tao
|
private void handleInsertOrUpdateAction(PrintWriter out, Hashtable params,
|
| 1588 |
1377
|
tao
|
String user, String[] groups) {
|
| 1589 |
59
|
jones
|
|
| 1590 |
1217
|
tao
|
DBConnection dbConn = null;
|
| 1591 |
|
|
int serialNumber = -1;
|
| 1592 |
309
|
bojilova
|
|
| 1593 |
204
|
jones
|
try {
|
| 1594 |
|
|
// Get the document indicated
|
| 1595 |
|
|
String[] doctext = (String[])params.get("doctext");
|
| 1596 |
557
|
bojilova
|
|
| 1597 |
680
|
bojilova
|
String pub = null;
|
| 1598 |
|
|
if (params.containsKey("public")) {
|
| 1599 |
|
|
pub = ((String[])params.get("public"))[0];
|
| 1600 |
557
|
bojilova
|
}
|
| 1601 |
680
|
bojilova
|
|
| 1602 |
598
|
bojilova
|
StringReader dtd = null;
|
| 1603 |
680
|
bojilova
|
if (params.containsKey("dtdtext")) {
|
| 1604 |
598
|
bojilova
|
String[] dtdtext = (String[])params.get("dtdtext");
|
| 1605 |
|
|
try {
|
| 1606 |
619
|
bojilova
|
if ( !dtdtext[0].equals("") ) {
|
| 1607 |
|
|
dtd = new StringReader(dtdtext[0]);
|
| 1608 |
|
|
}
|
| 1609 |
598
|
bojilova
|
} catch (NullPointerException npe) {}
|
| 1610 |
|
|
}
|
| 1611 |
1360
|
tao
|
|
| 1612 |
1760
|
tao
|
StringReader xml = new StringReader(doctext[0]);
|
| 1613 |
695
|
bojilova
|
boolean validate = false;
|
| 1614 |
1384
|
tao
|
DocumentImplWrapper documentWrapper = null;
|
| 1615 |
204
|
jones
|
try {
|
| 1616 |
1360
|
tao
|
// look inside XML Document for <!DOCTYPE ... PUBLIC/SYSTEM ... >
|
| 1617 |
695
|
bojilova
|
// in order to decide whether to use validation parser
|
| 1618 |
1760
|
tao
|
validate = needDTDValidation(xml);
|
| 1619 |
1384
|
tao
|
if (validate)
|
| 1620 |
|
|
{
|
| 1621 |
|
|
// set a dtd base validation parser
|
| 1622 |
|
|
String rule = DocumentImpl.DTD;
|
| 1623 |
|
|
documentWrapper = new DocumentImplWrapper(rule, validate);
|
| 1624 |
|
|
}
|
| 1625 |
1760
|
tao
|
else if (needSchemaValidation(xml))
|
| 1626 |
1384
|
tao
|
{
|
| 1627 |
1409
|
tao
|
// for eml2
|
| 1628 |
1760
|
tao
|
if (needEml2Validation(xml))
|
| 1629 |
1409
|
tao
|
{
|
| 1630 |
|
|
// set eml2 base validation parser
|
| 1631 |
|
|
String rule = DocumentImpl.EML2;
|
| 1632 |
1471
|
tao
|
// using emlparser to check id validation
|
| 1633 |
|
|
EMLParser parser = new EMLParser(doctext[0]);
|
| 1634 |
1409
|
tao
|
documentWrapper = new DocumentImplWrapper(rule, true);
|
| 1635 |
|
|
}
|
| 1636 |
|
|
else
|
| 1637 |
|
|
{
|
| 1638 |
|
|
// set schema base validation parser
|
| 1639 |
|
|
String rule = DocumentImpl.SCHEMA;
|
| 1640 |
|
|
documentWrapper = new DocumentImplWrapper(rule, true);
|
| 1641 |
|
|
}
|
| 1642 |
1384
|
tao
|
}
|
| 1643 |
|
|
else
|
| 1644 |
|
|
{
|
| 1645 |
|
|
documentWrapper = new DocumentImplWrapper("", false);
|
| 1646 |
|
|
}
|
| 1647 |
1716
|
berkley
|
|
| 1648 |
204
|
jones
|
String[] action = (String[])params.get("action");
|
| 1649 |
|
|
String[] docid = (String[])params.get("docid");
|
| 1650 |
|
|
String newdocid = null;
|
| 1651 |
203
|
jones
|
|
| 1652 |
204
|
jones
|
String doAction = null;
|
| 1653 |
|
|
if (action[0].equals("insert")) {
|
| 1654 |
|
|
doAction = "INSERT";
|
| 1655 |
|
|
} else if (action[0].equals("update")) {
|
| 1656 |
|
|
doAction = "UPDATE";
|
| 1657 |
|
|
}
|
| 1658 |
1360
|
tao
|
|
| 1659 |
|
|
try
|
| 1660 |
1217
|
tao
|
{
|
| 1661 |
680
|
bojilova
|
// get a connection from the pool
|
| 1662 |
1217
|
tao
|
dbConn=DBConnectionPool.
|
| 1663 |
|
|
getDBConnection("MetaCatServlet.handleInsertOrUpdateAction");
|
| 1664 |
|
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
| 1665 |
1360
|
tao
|
|
| 1666 |
1760
|
tao
|
// write the document to the database
|
| 1667 |
1360
|
tao
|
try
|
| 1668 |
1217
|
tao
|
{
|
| 1669 |
680
|
bojilova
|
String accNumber = docid[0];
|
| 1670 |
1292
|
tao
|
MetaCatUtil.debugMessage(""+ doAction + " " + accNumber +"...", 10);
|
| 1671 |
1360
|
tao
|
if (accNumber.equals(""))
|
| 1672 |
1217
|
tao
|
{
|
| 1673 |
680
|
bojilova
|
accNumber = null;
|
| 1674 |
1217
|
tao
|
}//if
|
| 1675 |
1384
|
tao
|
newdocid = documentWrapper.write(dbConn, xml, pub, dtd, doAction,
|
| 1676 |
|
|
accNumber, user, groups);
|
| 1677 |
1360
|
tao
|
|
| 1678 |
|
|
}//try
|
| 1679 |
|
|
catch (NullPointerException npe)
|
| 1680 |
1217
|
tao
|
{
|
| 1681 |
1384
|
tao
|
newdocid = documentWrapper.write(dbConn, xml, pub, dtd, doAction,
|
| 1682 |
|
|
null, user, groups);
|
| 1683 |
1217
|
tao
|
}//catch
|
| 1684 |
1716
|
berkley
|
|
| 1685 |
1360
|
tao
|
}//try
|
| 1686 |
|
|
finally
|
| 1687 |
1217
|
tao
|
{
|
| 1688 |
|
|
// Return db connection
|
| 1689 |
|
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
| 1690 |
1360
|
tao
|
}
|
| 1691 |
309
|
bojilova
|
|
| 1692 |
204
|
jones
|
// set content type and other response header fields first
|
| 1693 |
1377
|
tao
|
//response.setContentType("text/xml");
|
| 1694 |
204
|
jones
|
out.println("<?xml version=\"1.0\"?>");
|
| 1695 |
|
|
out.println("<success>");
|
| 1696 |
1360
|
tao
|
out.println("<docid>" + newdocid + "</docid>");
|
| 1697 |
204
|
jones
|
out.println("</success>");
|
| 1698 |
|
|
|
| 1699 |
1716
|
berkley
|
}
|
| 1700 |
|
|
catch (NullPointerException npe)
|
| 1701 |
1466
|
tao
|
{
|
| 1702 |
1377
|
tao
|
//response.setContentType("text/xml");
|
| 1703 |
204
|
jones
|
out.println("<?xml version=\"1.0\"?>");
|
| 1704 |
|
|
out.println("<error>");
|
| 1705 |
1360
|
tao
|
out.println(npe.getMessage());
|
| 1706 |
204
|
jones
|
out.println("</error>");
|
| 1707 |
55
|
jones
|
}
|
| 1708 |
1716
|
berkley
|
}
|
| 1709 |
|
|
catch (Exception e)
|
| 1710 |
1466
|
tao
|
{
|
| 1711 |
1377
|
tao
|
//response.setContentType("text/xml");
|
| 1712 |
204
|
jones
|
out.println("<?xml version=\"1.0\"?>");
|
| 1713 |
|
|
out.println("<error>");
|
| 1714 |
1360
|
tao
|
out.println(e.getMessage());
|
| 1715 |
204
|
jones
|
out.println("</error>");
|
| 1716 |
203
|
jones
|
}
|
| 1717 |
55
|
jones
|
}
|
| 1718 |
203
|
jones
|
|
| 1719 |
1360
|
tao
|
/**
|
| 1720 |
|
|
* Parse XML Document to look for <!DOCTYPE ... PUBLIC/SYSTEM ... >
|
| 1721 |
695
|
bojilova
|
* in order to decide whether to use validation parser
|
| 1722 |
|
|
*/
|
| 1723 |
1760
|
tao
|
private static boolean needDTDValidation(StringReader xmlreader) throws
|
| 1724 |
|
|
IOException
|
| 1725 |
|
|
{
|
| 1726 |
1360
|
tao
|
|
| 1727 |
1760
|
tao
|
|
| 1728 |
695
|
bojilova
|
StringBuffer cbuff = new StringBuffer();
|
| 1729 |
|
|
java.util.Stack st = new java.util.Stack();
|
| 1730 |
|
|
boolean validate = false;
|
| 1731 |
|
|
int c;
|
| 1732 |
|
|
int inx;
|
| 1733 |
1360
|
tao
|
|
| 1734 |
695
|
bojilova
|
// read from the stream until find the keywords
|
| 1735 |
|
|
while ( (st.empty() || st.size()<4) && ((c = xmlreader.read()) != -1) ) {
|
| 1736 |
|
|
cbuff.append((char)c);
|
| 1737 |
|
|
|
| 1738 |
|
|
// "<!DOCTYPE" keyword is found; put it in the stack
|
| 1739 |
|
|
if ( (inx = cbuff.toString().indexOf("<!DOCTYPE")) != -1 ) {
|
| 1740 |
|
|
cbuff = new StringBuffer();
|
| 1741 |
|
|
st.push("<!DOCTYPE");
|
| 1742 |
|
|
}
|
| 1743 |
|
|
// "PUBLIC" keyword is found; put it in the stack
|
| 1744 |
|
|
if ( (inx = cbuff.toString().indexOf("PUBLIC")) != -1 ) {
|
| 1745 |
|
|
cbuff = new StringBuffer();
|
| 1746 |
|
|
st.push("PUBLIC");
|
| 1747 |
|
|
}
|
| 1748 |
|
|
// "SYSTEM" keyword is found; put it in the stack
|
| 1749 |
|
|
if ( (inx = cbuff.toString().indexOf("SYSTEM")) != -1 ) {
|
| 1750 |
|
|
cbuff = new StringBuffer();
|
| 1751 |
|
|
st.push("SYSTEM");
|
| 1752 |
|
|
}
|
| 1753 |
|
|
// ">" character is found; put it in the stack
|
| 1754 |
1360
|
tao
|
// ">" is found twice: fisrt from <?xml ...?>
|
| 1755 |
695
|
bojilova
|
// and second from <!DOCTYPE ... >
|
| 1756 |
|
|
if ( (inx = cbuff.toString().indexOf(">")) != -1 ) {
|
| 1757 |
|
|
cbuff = new StringBuffer();
|
| 1758 |
|
|
st.push(">");
|
| 1759 |
|
|
}
|
| 1760 |
|
|
}
|
| 1761 |
|
|
|
| 1762 |
|
|
// close the stream
|
| 1763 |
1760
|
tao
|
xmlreader.reset();
|
| 1764 |
695
|
bojilova
|
|
| 1765 |
|
|
// check the stack whether it contains the keywords:
|
| 1766 |
|
|
// "<!DOCTYPE", "PUBLIC" or "SYSTEM", and ">" in this order
|
| 1767 |
|
|
if ( st.size() == 4 ) {
|
| 1768 |
|
|
if ( ((String)st.pop()).equals(">") &&
|
| 1769 |
|
|
( ((String)st.peek()).equals("PUBLIC") |
|
| 1770 |
|
|
((String)st.pop()).equals("SYSTEM") ) &&
|
| 1771 |
|
|
((String)st.pop()).equals("<!DOCTYPE") ) {
|
| 1772 |
|
|
validate = true;
|
| 1773 |
|
|
}
|
| 1774 |
|
|
}
|
| 1775 |
|
|
|
| 1776 |
1384
|
tao
|
MetaCatUtil.debugMessage("Validation for dtd is " + validate, 10);
|
| 1777 |
695
|
bojilova
|
return validate;
|
| 1778 |
|
|
}
|
| 1779 |
731
|
bojilova
|
// END OF INSERT/UPDATE SECTION
|
| 1780 |
1716
|
berkley
|
|
| 1781 |
1384
|
tao
|
/* check if the xml string contains key words to specify schema loocation*/
|
| 1782 |
1760
|
tao
|
private boolean needSchemaValidation(StringReader xml) throws IOException
|
| 1783 |
1384
|
tao
|
{
|
| 1784 |
|
|
boolean needSchemaValidate =false;
|
| 1785 |
|
|
if (xml == null)
|
| 1786 |
|
|
{
|
| 1787 |
|
|
MetaCatUtil.debugMessage("Validation for schema is " +
|
| 1788 |
|
|
needSchemaValidate, 10);
|
| 1789 |
|
|
return needSchemaValidate;
|
| 1790 |
|
|
}
|
| 1791 |
1760
|
tao
|
System.out.println("before get target line");
|
| 1792 |
1629
|
tao
|
String targetLine = getSchemaLine(xml);
|
| 1793 |
1760
|
tao
|
System.out.println("before get target line");
|
| 1794 |
1716
|
berkley
|
// to see if the second line contain some keywords
|
| 1795 |
1629
|
tao
|
if (targetLine != null && (targetLine.indexOf(SCHEMALOCATIONKEYWORD) != -1||
|
| 1796 |
|
|
targetLine.indexOf(NONAMESPACELOCATION) != -1 ))
|
| 1797 |
1384
|
tao
|
{
|
| 1798 |
|
|
// if contains schema location key word, should be validate
|
| 1799 |
|
|
needSchemaValidate = true;
|
| 1800 |
|
|
}
|
| 1801 |
1716
|
berkley
|
|
| 1802 |
|
|
MetaCatUtil.debugMessage("Validation for schema is " +
|
| 1803 |
1384
|
tao
|
needSchemaValidate, 10);
|
| 1804 |
|
|
return needSchemaValidate;
|
| 1805 |
1716
|
berkley
|
|
| 1806 |
1384
|
tao
|
}
|
| 1807 |
1716
|
berkley
|
|
| 1808 |
1409
|
tao
|
/* check if the xml string contains key words to specify schema loocation*/
|
| 1809 |
1760
|
tao
|
private boolean needEml2Validation(StringReader xml) throws IOException
|
| 1810 |
1409
|
tao
|
{
|
| 1811 |
|
|
boolean needEml2Validate =false;
|
| 1812 |
1760
|
tao
|
String emlNameSpace =DocumentImpl.EMLNAMESPACE;
|
| 1813 |
|
|
String schemaLocationContent = null;
|
| 1814 |
1409
|
tao
|
if (xml == null)
|
| 1815 |
|
|
{
|
| 1816 |
|
|
MetaCatUtil.debugMessage("Validation for schema is " +
|
| 1817 |
|
|
needEml2Validate, 10);
|
| 1818 |
|
|
return needEml2Validate;
|
| 1819 |
|
|
}
|
| 1820 |
1629
|
tao
|
String targetLine = getSchemaLine(xml);
|
| 1821 |
1716
|
berkley
|
|
| 1822 |
1760
|
tao
|
if (targetLine != null)
|
| 1823 |
1409
|
tao
|
{
|
| 1824 |
1760
|
tao
|
|
| 1825 |
|
|
int startIndex = targetLine.indexOf(SCHEMALOCATIONKEYWORD);
|
| 1826 |
|
|
int start = 1;
|
| 1827 |
|
|
int end = 1;
|
| 1828 |
|
|
String schemaLocation = null;
|
| 1829 |
|
|
int count = 0;
|
| 1830 |
|
|
if (startIndex != -1)
|
| 1831 |
|
|
{
|
| 1832 |
|
|
for ( int i=startIndex; i<targetLine.length(); i++)
|
| 1833 |
|
|
{
|
| 1834 |
|
|
if (targetLine.charAt(i) =='"')
|
| 1835 |
|
|
{
|
| 1836 |
|
|
count ++;
|
| 1837 |
|
|
}
|
| 1838 |
|
|
if (targetLine.charAt(i) =='"' && count == 1)
|
| 1839 |
|
|
{
|
| 1840 |
|
|
start = i;
|
| 1841 |
|
|
}
|
| 1842 |
|
|
if (targetLine.charAt(i) =='"' && count == 2)
|
| 1843 |
|
|
{
|
| 1844 |
|
|
end = i;
|
| 1845 |
|
|
break;
|
| 1846 |
|
|
}
|
| 1847 |
|
|
}
|
| 1848 |
|
|
}
|
| 1849 |
|
|
schemaLocation = targetLine.substring(start+1, end);
|
| 1850 |
|
|
MetaCatUtil.debugMessage("schemaLocation in xml is: "+schemaLocation, 30);
|
| 1851 |
|
|
if ( schemaLocation.indexOf(emlNameSpace) != -1)
|
| 1852 |
|
|
{
|
| 1853 |
|
|
needEml2Validate = true;
|
| 1854 |
|
|
}
|
| 1855 |
1409
|
tao
|
}
|
| 1856 |
1716
|
berkley
|
|
| 1857 |
|
|
MetaCatUtil.debugMessage("Validation for eml is " +
|
| 1858 |
1409
|
tao
|
needEml2Validate, 10);
|
| 1859 |
|
|
return needEml2Validate;
|
| 1860 |
1716
|
berkley
|
|
| 1861 |
1409
|
tao
|
}
|
| 1862 |
1716
|
berkley
|
|
| 1863 |
1760
|
tao
|
private String getSchemaLine(StringReader xml) throws IOException
|
| 1864 |
1629
|
tao
|
{
|
| 1865 |
|
|
// find the line
|
| 1866 |
|
|
String secondLine = null;
|
| 1867 |
|
|
int count =0;
|
| 1868 |
|
|
int endIndex = 0;
|
| 1869 |
|
|
int startIndex = 0;
|
| 1870 |
|
|
final int TARGETNUM = 2;
|
| 1871 |
1760
|
tao
|
StringBuffer buffer = new StringBuffer();
|
| 1872 |
|
|
boolean comment =false;
|
| 1873 |
|
|
char thirdPreviousCharacter = '?';
|
| 1874 |
|
|
char secondPreviousCharacter ='?';
|
| 1875 |
|
|
char previousCharacter = '?';
|
| 1876 |
|
|
char currentCharacter = '?';
|
| 1877 |
|
|
|
| 1878 |
|
|
while ( (currentCharacter = (char) xml.read()) != -1)
|
| 1879 |
1629
|
tao
|
{
|
| 1880 |
1760
|
tao
|
//in a comment
|
| 1881 |
|
|
if (currentCharacter =='-' && previousCharacter == '-' &&
|
| 1882 |
|
|
secondPreviousCharacter =='!' && thirdPreviousCharacter == '<')
|
| 1883 |
1629
|
tao
|
{
|
| 1884 |
1760
|
tao
|
comment = true;
|
| 1885 |
|
|
}
|
| 1886 |
|
|
//out of comment
|
| 1887 |
|
|
if (comment && currentCharacter == '>' && previousCharacter == '-' &&
|
| 1888 |
|
|
secondPreviousCharacter =='-')
|
| 1889 |
|
|
{
|
| 1890 |
|
|
comment = false;
|
| 1891 |
|
|
}
|
| 1892 |
|
|
|
| 1893 |
|
|
//this is not comment
|
| 1894 |
|
|
if (currentCharacter !='!' && previousCharacter == '<' && !comment)
|
| 1895 |
|
|
{
|
| 1896 |
1629
|
tao
|
count ++;
|
| 1897 |
1760
|
tao
|
}
|
| 1898 |
|
|
// get target line
|
| 1899 |
|
|
if (count == TARGETNUM && currentCharacter !='>')
|
| 1900 |
1629
|
tao
|
{
|
| 1901 |
1760
|
tao
|
buffer.append(currentCharacter);
|
| 1902 |
|
|
}
|
| 1903 |
|
|
if (count == TARGETNUM && currentCharacter == '>')
|
| 1904 |
|
|
{
|
| 1905 |
|
|
break;
|
| 1906 |
|
|
}
|
| 1907 |
|
|
thirdPreviousCharacter = secondPreviousCharacter;
|
| 1908 |
|
|
secondPreviousCharacter = previousCharacter;
|
| 1909 |
|
|
previousCharacter = currentCharacter;
|
| 1910 |
|
|
|
| 1911 |
|
|
}
|
| 1912 |
|
|
secondLine = buffer.toString();
|
| 1913 |
1629
|
tao
|
MetaCatUtil.debugMessage("the second line string is: "+secondLine, 25);
|
| 1914 |
1760
|
tao
|
xml.reset();
|
| 1915 |
1629
|
tao
|
return secondLine;
|
| 1916 |
|
|
}
|
| 1917 |
1716
|
berkley
|
|
| 1918 |
731
|
bojilova
|
// DELETE SECTION
|
| 1919 |
1360
|
tao
|
/**
|
| 1920 |
|
|
* Handle the database delete request and delete an XML document
|
| 1921 |
203
|
jones
|
* from the database connection
|
| 1922 |
|
|
*/
|
| 1923 |
1360
|
tao
|
private void handleDeleteAction(PrintWriter out, Hashtable params,
|
| 1924 |
802
|
bojilova
|
HttpServletResponse response, String user, String[] groups) {
|
| 1925 |
203
|
jones
|
|
| 1926 |
|
|
String[] docid = (String[])params.get("docid");
|
| 1927 |
1360
|
tao
|
|
| 1928 |
203
|
jones
|
// delete the document from the database
|
| 1929 |
|
|
try {
|
| 1930 |
1360
|
tao
|
|
| 1931 |
203
|
jones
|
// NOTE -- NEED TO TEST HERE
|
| 1932 |
408
|
jones
|
// FOR EXISTENCE OF DOCID PARAM
|
| 1933 |
203
|
jones
|
// BEFORE ACCESSING ARRAY
|
| 1934 |
1360
|
tao
|
try {
|
| 1935 |
1217
|
tao
|
DocumentImpl.delete(docid[0], user, groups);
|
| 1936 |
204
|
jones
|
response.setContentType("text/xml");
|
| 1937 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 1938 |
|
|
out.println("<success>");
|
| 1939 |
1360
|
tao
|
out.println("Document deleted.");
|
| 1940 |
204
|
jones
|
out.println("</success>");
|
| 1941 |
203
|
jones
|
} catch (AccessionNumberException ane) {
|
| 1942 |
204
|
jones
|
response.setContentType("text/xml");
|
| 1943 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 1944 |
|
|
out.println("<error>");
|
| 1945 |
|
|
out.println("Error deleting document!!!");
|
| 1946 |
1360
|
tao
|
out.println(ane.getMessage());
|
| 1947 |
204
|
jones
|
out.println("</error>");
|
| 1948 |
203
|
jones
|
}
|
| 1949 |
204
|
jones
|
} catch (Exception e) {
|
| 1950 |
|
|
response.setContentType("text/xml");
|
| 1951 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 1952 |
|
|
out.println("<error>");
|
| 1953 |
1360
|
tao
|
out.println(e.getMessage());
|
| 1954 |
204
|
jones
|
out.println("</error>");
|
| 1955 |
1360
|
tao
|
}
|
| 1956 |
203
|
jones
|
}
|
| 1957 |
731
|
bojilova
|
// END OF DELETE SECTION
|
| 1958 |
1360
|
tao
|
|
| 1959 |
731
|
bojilova
|
// VALIDATE SECTION
|
| 1960 |
1360
|
tao
|
/**
|
| 1961 |
380
|
jones
|
* Handle the validation request and return the results to the requestor
|
| 1962 |
68
|
higgins
|
*/
|
| 1963 |
1342
|
tao
|
private void handleValidateAction(PrintWriter out, Hashtable params) {
|
| 1964 |
68
|
higgins
|
|
| 1965 |
103
|
jones
|
// Get the document indicated
|
| 1966 |
|
|
String valtext = null;
|
| 1967 |
1217
|
tao
|
DBConnection dbConn = null;
|
| 1968 |
|
|
int serialNumber = -1;
|
| 1969 |
1360
|
tao
|
|
| 1970 |
103
|
jones
|
try {
|
| 1971 |
|
|
valtext = ((String[])params.get("valtext"))[0];
|
| 1972 |
|
|
} catch (Exception nullpe) {
|
| 1973 |
68
|
higgins
|
|
| 1974 |
1360
|
tao
|
|
| 1975 |
162
|
bojilova
|
String docid = null;
|
| 1976 |
103
|
jones
|
try {
|
| 1977 |
|
|
// Find the document id number
|
| 1978 |
1360
|
tao
|
docid = ((String[])params.get("docid"))[0];
|
| 1979 |
309
|
bojilova
|
|
| 1980 |
1360
|
tao
|
|
| 1981 |
309
|
bojilova
|
// Get the document indicated from the db
|
| 1982 |
1217
|
tao
|
DocumentImpl xmldoc = new DocumentImpl(docid);
|
| 1983 |
393
|
jones
|
valtext = xmldoc.toString();
|
| 1984 |
185
|
jones
|
|
| 1985 |
103
|
jones
|
} catch (NullPointerException npe) {
|
| 1986 |
1360
|
tao
|
|
| 1987 |
253
|
jones
|
out.println("<error>Error getting document ID: " + docid + "</error>");
|
| 1988 |
1217
|
tao
|
//if ( conn != null ) { util.returnConnection(conn); }
|
| 1989 |
380
|
jones
|
return;
|
| 1990 |
309
|
bojilova
|
} catch (Exception e) {
|
| 1991 |
1360
|
tao
|
|
| 1992 |
|
|
out.println(e.getMessage());
|
| 1993 |
|
|
}
|
| 1994 |
103
|
jones
|
}
|
| 1995 |
68
|
higgins
|
|
| 1996 |
1360
|
tao
|
|
| 1997 |
103
|
jones
|
try {
|
| 1998 |
309
|
bojilova
|
// get a connection from the pool
|
| 1999 |
1217
|
tao
|
dbConn=DBConnectionPool.
|
| 2000 |
|
|
getDBConnection("MetaCatServlet.handleValidateAction");
|
| 2001 |
|
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
| 2002 |
|
|
DBValidate valobj = new DBValidate(saxparser,dbConn);
|
| 2003 |
185
|
jones
|
boolean valid = valobj.validateString(valtext);
|
| 2004 |
68
|
higgins
|
|
| 2005 |
|
|
// set content type and other response header fields first
|
| 2006 |
1360
|
tao
|
|
| 2007 |
253
|
jones
|
out.println(valobj.returnErrors());
|
| 2008 |
|
|
|
| 2009 |
103
|
jones
|
} catch (NullPointerException npe2) {
|
| 2010 |
|
|
// set content type and other response header fields first
|
| 2011 |
1360
|
tao
|
|
| 2012 |
|
|
out.println("<error>Error validating document.</error>");
|
| 2013 |
309
|
bojilova
|
} catch (Exception e) {
|
| 2014 |
1360
|
tao
|
|
| 2015 |
|
|
out.println(e.getMessage());
|
| 2016 |
309
|
bojilova
|
} finally {
|
| 2017 |
1217
|
tao
|
// Return db connection
|
| 2018 |
|
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
| 2019 |
1360
|
tao
|
}
|
| 2020 |
103
|
jones
|
}
|
| 2021 |
731
|
bojilova
|
// END OF VALIDATE SECTION
|
| 2022 |
1360
|
tao
|
|
| 2023 |
731
|
bojilova
|
// OTHER ACTION HANDLERS
|
| 2024 |
1360
|
tao
|
|
| 2025 |
1292
|
tao
|
/**
|
| 2026 |
|
|
* Handle "getrevsionanddoctype" action
|
| 2027 |
|
|
* Given a docid, return it's current revision and doctype from data base
|
| 2028 |
|
|
* The output is String look like "rev;doctype"
|
| 2029 |
|
|
*/
|
| 2030 |
1360
|
tao
|
private void handleGetRevisionAndDocTypeAction(PrintWriter out,
|
| 2031 |
1292
|
tao
|
Hashtable params)
|
| 2032 |
|
|
{
|
| 2033 |
|
|
// To store doc parameter
|
| 2034 |
|
|
String [] docs = new String[10];
|
| 2035 |
|
|
// Store a single doc id
|
| 2036 |
|
|
String givenDocId = null;
|
| 2037 |
|
|
// Get docid from parameters
|
| 2038 |
1360
|
tao
|
if (params.containsKey("docid"))
|
| 2039 |
1292
|
tao
|
{
|
| 2040 |
|
|
docs = (String[])params.get("docid");
|
| 2041 |
|
|
}
|
| 2042 |
|
|
// Get first docid form string array
|
| 2043 |
|
|
givenDocId = docs[0];
|
| 2044 |
1360
|
tao
|
|
| 2045 |
|
|
try
|
| 2046 |
1292
|
tao
|
{
|
| 2047 |
|
|
// Make sure there is a docid
|
| 2048 |
|
|
if (givenDocId == null || givenDocId.equals(""))
|
| 2049 |
|
|
{
|
| 2050 |
|
|
throw new Exception("User didn't specify docid!");
|
| 2051 |
|
|
}//if
|
| 2052 |
1360
|
tao
|
|
| 2053 |
1292
|
tao
|
// Create a DBUtil object
|
| 2054 |
|
|
DBUtil dbutil = new DBUtil();
|
| 2055 |
|
|
// Get a rev and doctype
|
| 2056 |
1360
|
tao
|
String revAndDocType =
|
| 2057 |
1292
|
tao
|
dbutil.getCurrentRevisionAndDocTypeForGivenDocument(givenDocId);
|
| 2058 |
|
|
out.println(revAndDocType);
|
| 2059 |
|
|
|
| 2060 |
1360
|
tao
|
}//try
|
| 2061 |
|
|
catch (Exception e)
|
| 2062 |
1292
|
tao
|
{
|
| 2063 |
|
|
// Handle exception
|
| 2064 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 2065 |
|
|
out.println("<error>");
|
| 2066 |
|
|
out.println(e.getMessage());
|
| 2067 |
|
|
out.println("</error>");
|
| 2068 |
1360
|
tao
|
}//catch
|
| 2069 |
|
|
|
| 2070 |
1292
|
tao
|
}//handleGetRevisionAndDocTypeAction
|
| 2071 |
1360
|
tao
|
|
| 2072 |
|
|
/**
|
| 2073 |
688
|
bojilova
|
* Handle "getaccesscontrol" action.
|
| 2074 |
|
|
* Read Access Control List from db connection in XML format
|
| 2075 |
|
|
*/
|
| 2076 |
1360
|
tao
|
private void handleGetAccessControlAction(PrintWriter out, Hashtable params,
|
| 2077 |
|
|
HttpServletResponse response,
|
| 2078 |
802
|
bojilova
|
String username, String[] groupnames) {
|
| 2079 |
688
|
bojilova
|
|
| 2080 |
1217
|
tao
|
DBConnection dbConn = null;
|
| 2081 |
|
|
int serialNumber = -1;
|
| 2082 |
688
|
bojilova
|
String docid = ((String[])params.get("docid"))[0];
|
| 2083 |
1360
|
tao
|
|
| 2084 |
688
|
bojilova
|
try {
|
| 2085 |
|
|
|
| 2086 |
|
|
// get connection from the pool
|
| 2087 |
1217
|
tao
|
dbConn=DBConnectionPool.
|
| 2088 |
|
|
getDBConnection("MetaCatServlet.handleGetAccessControlAction");
|
| 2089 |
|
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
| 2090 |
|
|
AccessControlList aclobj = new AccessControlList(dbConn);
|
| 2091 |
802
|
bojilova
|
String acltext = aclobj.getACL(docid, username, groupnames);
|
| 2092 |
688
|
bojilova
|
out.println(acltext);
|
| 2093 |
|
|
|
| 2094 |
|
|
} catch (Exception e) {
|
| 2095 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 2096 |
|
|
out.println("<error>");
|
| 2097 |
|
|
out.println(e.getMessage());
|
| 2098 |
|
|
out.println("</error>");
|
| 2099 |
|
|
} finally {
|
| 2100 |
1217
|
tao
|
// Retrun db connection to pool
|
| 2101 |
|
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
| 2102 |
1360
|
tao
|
}
|
| 2103 |
|
|
|
| 2104 |
688
|
bojilova
|
}
|
| 2105 |
|
|
|
| 2106 |
1360
|
tao
|
/**
|
| 2107 |
731
|
bojilova
|
* Handle the "getprincipals" action.
|
| 2108 |
|
|
* Read all principals from authentication scheme in XML format
|
| 2109 |
|
|
*/
|
| 2110 |
|
|
private void handleGetPrincipalsAction(PrintWriter out, String user,
|
| 2111 |
|
|
String password) {
|
| 2112 |
|
|
|
| 2113 |
1360
|
tao
|
|
| 2114 |
731
|
bojilova
|
try {
|
| 2115 |
|
|
|
| 2116 |
1360
|
tao
|
|
| 2117 |
731
|
bojilova
|
AuthSession auth = new AuthSession();
|
| 2118 |
|
|
String principals = auth.getPrincipals(user, password);
|
| 2119 |
|
|
out.println(principals);
|
| 2120 |
|
|
|
| 2121 |
|
|
} catch (Exception e) {
|
| 2122 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 2123 |
|
|
out.println("<error>");
|
| 2124 |
|
|
out.println(e.getMessage());
|
| 2125 |
|
|
out.println("</error>");
|
| 2126 |
1360
|
tao
|
}
|
| 2127 |
|
|
|
| 2128 |
731
|
bojilova
|
}
|
| 2129 |
|
|
|
| 2130 |
1360
|
tao
|
/**
|
| 2131 |
688
|
bojilova
|
* Handle "getdoctypes" action.
|
| 2132 |
302
|
bojilova
|
* Read all doctypes from db connection in XML format
|
| 2133 |
|
|
*/
|
| 2134 |
1360
|
tao
|
private void handleGetDoctypesAction(PrintWriter out, Hashtable params,
|
| 2135 |
302
|
bojilova
|
HttpServletResponse response) {
|
| 2136 |
|
|
|
| 2137 |
1360
|
tao
|
|
| 2138 |
302
|
bojilova
|
try {
|
| 2139 |
|
|
|
| 2140 |
1360
|
tao
|
|
| 2141 |
1217
|
tao
|
DBUtil dbutil = new DBUtil();
|
| 2142 |
302
|
bojilova
|
String doctypes = dbutil.readDoctypes();
|
| 2143 |
|
|
out.println(doctypes);
|
| 2144 |
|
|
|
| 2145 |
|
|
} catch (Exception e) {
|
| 2146 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 2147 |
|
|
out.println("<error>");
|
| 2148 |
|
|
out.println(e.getMessage());
|
| 2149 |
|
|
out.println("</error>");
|
| 2150 |
1360
|
tao
|
}
|
| 2151 |
|
|
|
| 2152 |
302
|
bojilova
|
}
|
| 2153 |
|
|
|
| 2154 |
1360
|
tao
|
/**
|
| 2155 |
699
|
bojilova
|
* Handle the "getdtdschema" action.
|
| 2156 |
|
|
* Read DTD or Schema file for a given doctype from Metacat catalog system
|
| 2157 |
|
|
*/
|
| 2158 |
|
|
private void handleGetDTDSchemaAction(PrintWriter out, Hashtable params,
|
| 2159 |
|
|
HttpServletResponse response) {
|
| 2160 |
|
|
|
| 2161 |
1360
|
tao
|
|
| 2162 |
699
|
bojilova
|
String doctype = null;
|
| 2163 |
|
|
String[] doctypeArr = (String[])params.get("doctype");
|
| 2164 |
|
|
|
| 2165 |
|
|
// get only the first doctype specified in the list of doctypes
|
| 2166 |
|
|
// it could be done for all doctypes in that list
|
| 2167 |
|
|
if (doctypeArr != null) {
|
| 2168 |
1360
|
tao
|
doctype = ((String[])params.get("doctype"))[0];
|
| 2169 |
699
|
bojilova
|
}
|
| 2170 |
|
|
|
| 2171 |
|
|
try {
|
| 2172 |
|
|
|
| 2173 |
1360
|
tao
|
|
| 2174 |
1217
|
tao
|
DBUtil dbutil = new DBUtil();
|
| 2175 |
699
|
bojilova
|
String dtdschema = dbutil.readDTDSchema(doctype);
|
| 2176 |
|
|
out.println(dtdschema);
|
| 2177 |
|
|
|
| 2178 |
|
|
} catch (Exception e) {
|
| 2179 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 2180 |
|
|
out.println("<error>");
|
| 2181 |
|
|
out.println(e.getMessage());
|
| 2182 |
|
|
out.println("</error>");
|
| 2183 |
1360
|
tao
|
}
|
| 2184 |
|
|
|
| 2185 |
699
|
bojilova
|
}
|
| 2186 |
|
|
|
| 2187 |
1360
|
tao
|
/**
|
| 2188 |
793
|
bojilova
|
* Handle the "getlastdocid" action.
|
| 2189 |
|
|
* Get the latest docid with rev number from db connection in XML format
|
| 2190 |
|
|
*/
|
| 2191 |
1360
|
tao
|
private void handleGetMaxDocidAction(PrintWriter out, Hashtable params,
|
| 2192 |
793
|
bojilova
|
HttpServletResponse response) {
|
| 2193 |
|
|
|
| 2194 |
1217
|
tao
|
|
| 2195 |
847
|
jones
|
String scope = ((String[])params.get("scope"))[0];
|
| 2196 |
|
|
if (scope == null) {
|
| 2197 |
|
|
scope = ((String[])params.get("username"))[0];
|
| 2198 |
|
|
}
|
| 2199 |
793
|
bojilova
|
|
| 2200 |
|
|
try {
|
| 2201 |
|
|
|
| 2202 |
1360
|
tao
|
|
| 2203 |
1217
|
tao
|
DBUtil dbutil = new DBUtil();
|
| 2204 |
847
|
jones
|
String lastDocid = dbutil.getMaxDocid(scope);
|
| 2205 |
793
|
bojilova
|
out.println("<?xml version=\"1.0\"?>");
|
| 2206 |
|
|
out.println("<lastDocid>");
|
| 2207 |
847
|
jones
|
out.println(" <scope>" + scope + "</scope>");
|
| 2208 |
793
|
bojilova
|
out.println(" <docid>" + lastDocid + "</docid>");
|
| 2209 |
|
|
out.println("</lastDocid>");
|
| 2210 |
|
|
|
| 2211 |
|
|
} catch (Exception e) {
|
| 2212 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 2213 |
|
|
out.println("<error>");
|
| 2214 |
|
|
out.println(e.getMessage());
|
| 2215 |
|
|
out.println("</error>");
|
| 2216 |
1217
|
tao
|
}
|
| 2217 |
1360
|
tao
|
|
| 2218 |
793
|
bojilova
|
}
|
| 2219 |
|
|
|
| 2220 |
1360
|
tao
|
/**
|
| 2221 |
|
|
* Handle documents passed to metacat that are encoded using the
|
| 2222 |
798
|
jones
|
* "multipart/form-data" mime type. This is typically used for uploading
|
| 2223 |
|
|
* data files which may be binary and large.
|
| 2224 |
|
|
*/
|
| 2225 |
|
|
private void handleMultipartForm(HttpServletRequest request,
|
| 2226 |
1360
|
tao
|
HttpServletResponse response)
|
| 2227 |
798
|
jones
|
{
|
| 2228 |
|
|
PrintWriter out = null;
|
| 2229 |
|
|
String action = null;
|
| 2230 |
|
|
|
| 2231 |
|
|
// Parse the multipart form, and save the parameters in a Hashtable and
|
| 2232 |
|
|
// save the FileParts in a hashtable
|
| 2233 |
|
|
|
| 2234 |
|
|
Hashtable params = new Hashtable();
|
| 2235 |
|
|
Hashtable fileList = new Hashtable();
|
| 2236 |
1617
|
tao
|
int sizeLimit = (new Integer(MetaCatUtil.getOption("datafilesizelimit")))
|
| 2237 |
|
|
.intValue();
|
| 2238 |
|
|
MetaCatUtil.debugMessage("The limit size of data file is: "+sizeLimit, 50);
|
| 2239 |
798
|
jones
|
|
| 2240 |
|
|
try {
|
| 2241 |
|
|
// MBJ: need to put filesize limit in Metacat config (metacat.properties)
|
| 2242 |
1716
|
berkley
|
MultipartParser mp = new MultipartParser(request, sizeLimit*1024*1024);
|
| 2243 |
798
|
jones
|
Part part;
|
| 2244 |
|
|
while ((part = mp.readNextPart()) != null) {
|
| 2245 |
|
|
String name = part.getName();
|
| 2246 |
|
|
|
| 2247 |
|
|
if (part.isParam()) {
|
| 2248 |
|
|
// it's a parameter part
|
| 2249 |
|
|
ParamPart paramPart = (ParamPart) part;
|
| 2250 |
|
|
String value = paramPart.getStringValue();
|
| 2251 |
|
|
params.put(name, value);
|
| 2252 |
|
|
if (name.equals("action")) {
|
| 2253 |
|
|
action = value;
|
| 2254 |
|
|
}
|
| 2255 |
|
|
} else if (part.isFile()) {
|
| 2256 |
|
|
// it's a file part
|
| 2257 |
|
|
FilePart filePart = (FilePart) part;
|
| 2258 |
|
|
fileList.put(name, filePart);
|
| 2259 |
|
|
|
| 2260 |
|
|
// Stop once the first file part is found, otherwise going onto the
|
| 2261 |
|
|
// next part prevents access to the file contents. So...for upload
|
| 2262 |
|
|
// to work, the datafile must be the last part
|
| 2263 |
|
|
break;
|
| 2264 |
|
|
}
|
| 2265 |
|
|
}
|
| 2266 |
|
|
} catch (IOException ioe) {
|
| 2267 |
|
|
try {
|
| 2268 |
|
|
out = response.getWriter();
|
| 2269 |
|
|
} catch (IOException ioe2) {
|
| 2270 |
|
|
System.err.println("Fatal Error: couldn't get response output stream.");
|
| 2271 |
|
|
}
|
| 2272 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 2273 |
|
|
out.println("<error>");
|
| 2274 |
|
|
out.println("Error: problem reading multipart data.");
|
| 2275 |
|
|
out.println("</error>");
|
| 2276 |
|
|
}
|
| 2277 |
|
|
|
| 2278 |
|
|
// Get the session information
|
| 2279 |
|
|
String username = null;
|
| 2280 |
|
|
String password = null;
|
| 2281 |
802
|
bojilova
|
String[] groupnames = null;
|
| 2282 |
798
|
jones
|
String sess_id = null;
|
| 2283 |
|
|
|
| 2284 |
1360
|
tao
|
// be aware of session expiration on every request
|
| 2285 |
798
|
jones
|
HttpSession sess = request.getSession(true);
|
| 2286 |
|
|
if (sess.isNew()) {
|
| 2287 |
|
|
// session expired or has not been stored b/w user requests
|
| 2288 |
|
|
username = "public";
|
| 2289 |
|
|
sess.setAttribute("username", username);
|
| 2290 |
|
|
} else {
|
| 2291 |
|
|
username = (String)sess.getAttribute("username");
|
| 2292 |
|
|
password = (String)sess.getAttribute("password");
|
| 2293 |
802
|
bojilova
|
groupnames = (String[])sess.getAttribute("groupnames");
|
| 2294 |
798
|
jones
|
try {
|
| 2295 |
|
|
sess_id = (String)sess.getId();
|
| 2296 |
|
|
} catch(IllegalStateException ise) {
|
| 2297 |
|
|
System.out.println("error in handleMultipartForm: this shouldn't " +
|
| 2298 |
1360
|
tao
|
"happen: the session should be valid: " +
|
| 2299 |
798
|
jones
|
ise.getMessage());
|
| 2300 |
|
|
}
|
| 2301 |
1360
|
tao
|
}
|
| 2302 |
|
|
|
| 2303 |
1292
|
tao
|
// Get the out stream
|
| 2304 |
|
|
try {
|
| 2305 |
798
|
jones
|
out = response.getWriter();
|
| 2306 |
|
|
} catch (IOException ioe2) {
|
| 2307 |
943
|
tao
|
util.debugMessage("Fatal Error: couldn't get response "+
|
| 2308 |
1490
|
tao
|
"output stream.", 30);
|
| 2309 |
798
|
jones
|
}
|
| 2310 |
1360
|
tao
|
|
| 2311 |
1292
|
tao
|
if ( action.equals("upload")) {
|
| 2312 |
|
|
if (username != null && !username.equals("public")) {
|
| 2313 |
1360
|
tao
|
handleUploadAction(request, out, params, fileList,
|
| 2314 |
1292
|
tao
|
username, groupnames);
|
| 2315 |
|
|
} else {
|
| 2316 |
1360
|
tao
|
|
| 2317 |
798
|
jones
|
out.println("<?xml version=\"1.0\"?>");
|
| 2318 |
|
|
out.println("<error>");
|
| 2319 |
|
|
out.println("Permission denied for " + action);
|
| 2320 |
|
|
out.println("</error>");
|
| 2321 |
|
|
}
|
| 2322 |
|
|
} else {
|
| 2323 |
1292
|
tao
|
/*try {
|
| 2324 |
798
|
jones
|
out = response.getWriter();
|
| 2325 |
|
|
} catch (IOException ioe2) {
|
| 2326 |
|
|
System.err.println("Fatal Error: couldn't get response output stream.");
|
| 2327 |
1292
|
tao
|
}*/
|
| 2328 |
798
|
jones
|
out.println("<?xml version=\"1.0\"?>");
|
| 2329 |
|
|
out.println("<error>");
|
| 2330 |
|
|
out.println("Error: action not registered. Please report this error.");
|
| 2331 |
|
|
out.println("</error>");
|
| 2332 |
|
|
}
|
| 2333 |
1217
|
tao
|
out.close();
|
| 2334 |
798
|
jones
|
}
|
| 2335 |
|
|
|
| 2336 |
1360
|
tao
|
/**
|
| 2337 |
|
|
* Handle the upload action by saving the attached file to disk and
|
| 2338 |
798
|
jones
|
* registering it in the Metacat db
|
| 2339 |
|
|
*/
|
| 2340 |
|
|
private void handleUploadAction(HttpServletRequest request,
|
| 2341 |
1360
|
tao
|
PrintWriter out,
|
| 2342 |
|
|
Hashtable params, Hashtable fileList,
|
| 2343 |
802
|
bojilova
|
String username, String[] groupnames)
|
| 2344 |
798
|
jones
|
{
|
| 2345 |
1292
|
tao
|
//PrintWriter out = null;
|
| 2346 |
1217
|
tao
|
//Connection conn = null;
|
| 2347 |
798
|
jones
|
String action = null;
|
| 2348 |
|
|
String docid = null;
|
| 2349 |
1360
|
tao
|
|
| 2350 |
1292
|
tao
|
/*response.setContentType("text/xml");
|
| 2351 |
1360
|
tao
|
try
|
| 2352 |
1041
|
tao
|
{
|
| 2353 |
798
|
jones
|
out = response.getWriter();
|
| 2354 |
1360
|
tao
|
}
|
| 2355 |
|
|
catch (IOException ioe2)
|
| 2356 |
1041
|
tao
|
{
|
| 2357 |
798
|
jones
|
System.err.println("Fatal Error: couldn't get response output stream.");
|
| 2358 |
1292
|
tao
|
}*/
|
| 2359 |
798
|
jones
|
|
| 2360 |
1360
|
tao
|
if (params.containsKey("docid"))
|
| 2361 |
1041
|
tao
|
{
|
| 2362 |
798
|
jones
|
docid = (String)params.get("docid");
|
| 2363 |
|
|
}
|
| 2364 |
|
|
|
| 2365 |
|
|
// Make sure we have a docid and datafile
|
| 2366 |
|
|
if (docid != null && fileList.containsKey("datafile")) {
|
| 2367 |
|
|
|
| 2368 |
|
|
// Get a reference to the file part of the form
|
| 2369 |
|
|
FilePart filePart = (FilePart)fileList.get("datafile");
|
| 2370 |
|
|
String fileName = filePart.getFileName();
|
| 2371 |
1056
|
tao
|
MetaCatUtil.debugMessage("Uploading filename: " + fileName, 10);
|
| 2372 |
798
|
jones
|
|
| 2373 |
|
|
// Check if the right file existed in the uploaded data
|
| 2374 |
|
|
if (fileName != null) {
|
| 2375 |
1360
|
tao
|
|
| 2376 |
|
|
try
|
| 2377 |
1028
|
tao
|
{
|
| 2378 |
1292
|
tao
|
//MetaCatUtil.debugMessage("Upload datafile " + docid +"...", 10);
|
| 2379 |
1028
|
tao
|
//If document get lock data file grant
|
| 2380 |
1070
|
tao
|
if (DocumentImpl.getDataFileLockGrant(docid))
|
| 2381 |
|
|
{
|
| 2382 |
1064
|
tao
|
// register the file in the database (which generates an exception
|
| 2383 |
1028
|
tao
|
//if the docid is not acceptable or other untoward things happen
|
| 2384 |
|
|
DocumentImpl.registerDocument(fileName, "BIN", docid, username);
|
| 2385 |
1360
|
tao
|
|
| 2386 |
1028
|
tao
|
// Save the data file to disk using "docid" as the name
|
| 2387 |
|
|
dataDirectory.mkdirs();
|
| 2388 |
|
|
File newFile = new File(dataDirectory, docid);
|
| 2389 |
|
|
long size = filePart.writeTo(newFile);
|
| 2390 |
1360
|
tao
|
|
| 2391 |
1292
|
tao
|
// Force replication this data file
|
| 2392 |
|
|
// To data file, "insert" and update is same
|
| 2393 |
1360
|
tao
|
// The fourth parameter is null. Because it is notification server
|
| 2394 |
|
|
// and this method is in MetaCatServerlet. It is original command,
|
| 2395 |
1292
|
tao
|
// not get force replication info from another metacat
|
| 2396 |
|
|
ForceReplicationHandler frh = new ForceReplicationHandler
|
| 2397 |
|
|
(docid, "insert", false, null);
|
| 2398 |
1360
|
tao
|
|
| 2399 |
1028
|
tao
|
// set content type and other response header fields first
|
| 2400 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 2401 |
|
|
out.println("<success>");
|
| 2402 |
1360
|
tao
|
out.println("<docid>" + docid + "</docid>");
|
| 2403 |
|
|
out.println("<size>" + size + "</size>");
|
| 2404 |
1028
|
tao
|
out.println("</success>");
|
| 2405 |
1070
|
tao
|
}//if
|
| 2406 |
1360
|
tao
|
|
| 2407 |
1028
|
tao
|
} //try
|
| 2408 |
1360
|
tao
|
catch (Exception e)
|
| 2409 |
1041
|
tao
|
{
|
| 2410 |
798
|
jones
|
out.println("<?xml version=\"1.0\"?>");
|
| 2411 |
|
|
out.println("<error>");
|
| 2412 |
1360
|
tao
|
out.println(e.getMessage());
|
| 2413 |
798
|
jones
|
out.println("</error>");
|
| 2414 |
|
|
}
|
| 2415 |
1360
|
tao
|
|
| 2416 |
1041
|
tao
|
}
|
| 2417 |
1360
|
tao
|
else
|
| 2418 |
1041
|
tao
|
{
|
| 2419 |
798
|
jones
|
// the field did not contain a file
|
| 2420 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 2421 |
|
|
out.println("<error>");
|
| 2422 |
1360
|
tao
|
out.println("The uploaded data did not contain a valid file.");
|
| 2423 |
798
|
jones
|
out.println("</error>");
|
| 2424 |
|
|
}
|
| 2425 |
1360
|
tao
|
}
|
| 2426 |
|
|
else
|
| 2427 |
1041
|
tao
|
{
|
| 2428 |
798
|
jones
|
// Error bcse docid missing or file missing
|
| 2429 |
|
|
out.println("<?xml version=\"1.0\"?>");
|
| 2430 |
|
|
out.println("<error>");
|
| 2431 |
|
|
out.println("The uploaded data did not contain a valid docid " +
|
| 2432 |
1360
|
tao
|
"or valid file.");
|
| 2433 |
798
|
jones
|
out.println("</error>");
|
| 2434 |
|
|
}
|
| 2435 |
|
|
}
|
| 2436 |
1716
|
berkley
|
|
| 2437 |
1369
|
tao
|
/*
|
| 2438 |
|
|
* A method to handle set access action
|
| 2439 |
|
|
*/
|
| 2440 |
|
|
private void handleSetAccessAction(PrintWriter out,
|
| 2441 |
|
|
Hashtable params,
|
| 2442 |
|
|
String username)
|
| 2443 |
|
|
{
|
| 2444 |
|
|
String [] docList = null;
|
| 2445 |
|
|
String [] principalList = null;
|
| 2446 |
|
|
String [] permissionList = null;
|
| 2447 |
|
|
String [] permTypeList = null;
|
| 2448 |
|
|
String [] permOrderList = null;
|
| 2449 |
|
|
String permission = null;
|
| 2450 |
|
|
String permType = null;
|
| 2451 |
|
|
String permOrder = null;
|
| 2452 |
|
|
Vector errorList = new Vector();
|
| 2453 |
|
|
String error = null;
|
| 2454 |
|
|
Vector successList = new Vector();
|
| 2455 |
|
|
String success = null;
|
| 2456 |
1716
|
berkley
|
|
| 2457 |
|
|
|
| 2458 |
1369
|
tao
|
// Get parameters
|
| 2459 |
1716
|
berkley
|
if (params.containsKey("docid"))
|
| 2460 |
1369
|
tao
|
{
|
| 2461 |
|
|
docList = (String[])params.get("docid");
|
| 2462 |
|
|
}
|
| 2463 |
|
|
if (params.containsKey("principal"))
|
| 2464 |
|
|
{
|
| 2465 |
1716
|
berkley
|
principalList = (String[])params.get("principal");
|
| 2466 |
1369
|
tao
|
}
|
| 2467 |
|
|
if (params.containsKey("permission"))
|
| 2468 |
|
|
{
|
| 2469 |
|
|
permissionList = (String[])params.get("permission");
|
| 2470 |
1716
|
berkley
|
|
| 2471 |
1369
|
tao
|
}
|
| 2472 |
|
|
if (params.containsKey("permType"))
|
| 2473 |
|
|
{
|
| 2474 |
|
|
permTypeList = (String[])params.get("permType");
|
| 2475 |
1716
|
berkley
|
|
| 2476 |
1369
|
tao
|
}
|
| 2477 |
|
|
if (params.containsKey("permOrder"))
|
| 2478 |
|
|
{
|
| 2479 |
|
|
permOrderList = (String[])params.get("permOrder");
|
| 2480 |
1716
|
berkley
|
|
| 2481 |
1369
|
tao
|
}
|
| 2482 |
1716
|
berkley
|
|
| 2483 |
1369
|
tao
|
// Make sure the parameter is not null
|
| 2484 |
|
|
if (docList == null || principalList == null || permTypeList == null ||
|
| 2485 |
|
|
permissionList == null)
|
| 2486 |
|
|
{
|
| 2487 |
|
|
error = "Please check your parameter list, it should look like: "+
|
| 2488 |
|
|
"?action=setaccess&docid=pipeline.1.1&principal=public" +
|
| 2489 |
|
|
"&permission=read&permType=allow&permOrder=allowFirst";
|
| 2490 |
|
|
errorList.addElement(error);
|
| 2491 |
|
|
outputResponse(successList, errorList, out);
|
| 2492 |
|
|
return;
|
| 2493 |
|
|
}
|
| 2494 |
1716
|
berkley
|
|
| 2495 |
1369
|
tao
|
// Only select first element for permission, type and order
|
| 2496 |
|
|
permission = permissionList[0];
|
| 2497 |
|
|
permType = permTypeList[0];
|
| 2498 |
|
|
if (permOrderList != null)
|
| 2499 |
|
|
{
|
| 2500 |
|
|
permOrder = permOrderList[0];
|
| 2501 |
|
|
}
|
| 2502 |
1716
|
berkley
|
|
| 2503 |
1369
|
tao
|
// Get package doctype set
|
| 2504 |
|
|
Vector packageSet =MetaCatUtil.getOptionList(
|
| 2505 |
|
|
MetaCatUtil.getOption("packagedoctypeset"));
|
| 2506 |
|
|
//debug
|
| 2507 |
|
|
if (packageSet != null)
|
| 2508 |
|
|
{
|
| 2509 |
|
|
for (int i = 0; i<packageSet.size(); i++)
|
| 2510 |
|
|
{
|
| 2511 |
1716
|
berkley
|
MetaCatUtil.debugMessage("doctype in package set: " +
|
| 2512 |
1369
|
tao
|
(String)packageSet.elementAt(i), 34);
|
| 2513 |
|
|
}
|
| 2514 |
|
|
}//if
|
| 2515 |
1716
|
berkley
|
|
| 2516 |
1369
|
tao
|
// handle every accessionNumber
|
| 2517 |
|
|
for (int i=0; i <docList.length; i++)
|
| 2518 |
|
|
{
|
| 2519 |
|
|
String accessionNumber = docList[i];
|
| 2520 |
|
|
String owner = null;
|
| 2521 |
|
|
String publicId = null;
|
| 2522 |
|
|
// Get document owner and public id
|
| 2523 |
|
|
try
|
| 2524 |
|
|
{
|
| 2525 |
|
|
owner = getFieldValueForDoc(accessionNumber, "user_owner");
|
| 2526 |
|
|
publicId = getFieldValueForDoc(accessionNumber, "doctype");
|
| 2527 |
|
|
}//try
|
| 2528 |
|
|
catch (Exception e)
|
| 2529 |
|
|
{
|
| 2530 |
|
|
MetaCatUtil.debugMessage("Error in handleSetAccessAction: " +
|
| 2531 |
|
|
e.getMessage(), 30);
|
| 2532 |
|
|
error = "Error in set access control for document - " + accessionNumber+
|
| 2533 |
|
|
e.getMessage();
|
| 2534 |
|
|
errorList.addElement(error);
|
| 2535 |
|
|
continue;
|
| 2536 |
|
|
}
|
| 2537 |
1716
|
berkley
|
//check if user is the owner. Only owner can do owner
|
| 2538 |
1369
|
tao
|
if (username == null || owner == null || !username.equals(owner))
|
| 2539 |
|
|
{
|
| 2540 |
|
|
error = "User - " + username + " does not have permission to set " +
|
| 2541 |
|
|
"access control for docid - " + accessionNumber;
|
| 2542 |
|
|
errorList.addElement(error);
|
| 2543 |
|
|
continue;
|
| 2544 |
|
|
}
|
| 2545 |
1716
|
berkley
|
|
| 2546 |
1369
|
tao
|
// If docid publicid is BIN data file or other beta4, 6 package document
|
| 2547 |
|
|
// we could not do set access control. Because we don't want inconsistent
|
| 2548 |
|
|
// to its access docuemnt
|
| 2549 |
|
|
if (publicId!=null && packageSet!=null && packageSet.contains(publicId))
|
| 2550 |
|
|
{
|
| 2551 |
|
|
error = "Could not set access control to document "+ accessionNumber +
|
| 2552 |
|
|
"because it is in a pakcage and it has a access file for it";
|
| 2553 |
|
|
errorList.addElement(error);
|
| 2554 |
|
|
continue;
|
| 2555 |
|
|
}
|
| 2556 |
1716
|
berkley
|
|
| 2557 |
1369
|
tao
|
// for every principle
|
| 2558 |
|
|
for (int j = 0; j<principalList.length; j++)
|
| 2559 |
|
|
{
|
| 2560 |
|
|
String principal = principalList[j];
|
| 2561 |
|
|
try
|
| 2562 |
|
|
{
|
| 2563 |
|
|
//insert permission
|
| 2564 |
1716
|
berkley
|
AccessControlForSingleFile accessControl = new
|
| 2565 |
1369
|
tao
|
AccessControlForSingleFile(accessionNumber,
|
| 2566 |
|
|
principal, permission, permType, permOrder);
|
| 2567 |
|
|
accessControl.insertPermissions();
|
| 2568 |
|
|
success = "Set access control to document "+ accessionNumber +
|
| 2569 |
|
|
" successfully";
|
| 2570 |
|
|
successList.addElement(success);
|
| 2571 |
|
|
}
|
| 2572 |
|
|
catch (Exception ee)
|
| 2573 |
|
|
{
|
| 2574 |
|
|
MetaCatUtil.debugMessage("Erorr in handleSetAccessAction2: " +
|
| 2575 |
|
|
ee.getMessage(), 30);
|
| 2576 |
1716
|
berkley
|
error = "Faild to set access control for document " +
|
| 2577 |
1369
|
tao
|
accessionNumber + " because " + ee.getMessage();
|
| 2578 |
|
|
errorList.addElement(error);
|
| 2579 |
|
|
continue;
|
| 2580 |
|
|
}
|
| 2581 |
|
|
}//for every principle
|
| 2582 |
1716
|
berkley
|
}//for every document
|
| 2583 |
1369
|
tao
|
outputResponse(successList, errorList, out);
|
| 2584 |
|
|
}//handleSetAccessAction
|
| 2585 |
1716
|
berkley
|
|
| 2586 |
|
|
|
| 2587 |
1369
|
tao
|
/*
|
| 2588 |
|
|
* A method try to determin a docid's public id, if couldn't find null
|
| 2589 |
|
|
* will be returned.
|
| 2590 |
|
|
*/
|
| 2591 |
1716
|
berkley
|
private String getFieldValueForDoc(String accessionNumber, String fieldName)
|
| 2592 |
1369
|
tao
|
throws Exception
|
| 2593 |
|
|
{
|
| 2594 |
|
|
if (accessionNumber==null || accessionNumber.equals("") ||fieldName == null
|
| 2595 |
|
|
|| fieldName.equals(""))
|
| 2596 |
|
|
{
|
| 2597 |
|
|
throw new Exception("Docid or field name was not specified");
|
| 2598 |
|
|
}
|
| 2599 |
1716
|
berkley
|
|
| 2600 |
1369
|
tao
|
PreparedStatement pstmt = null;
|
| 2601 |
|
|
ResultSet rs = null;
|
| 2602 |
|
|
String fieldValue = null;
|
| 2603 |
|
|
String docId = null;
|
| 2604 |
|
|
DBConnection conn = null;
|
| 2605 |
|
|
int serialNumber = -1;
|
| 2606 |
1716
|
berkley
|
|
| 2607 |
1369
|
tao
|
// get rid of revision if access number has
|
| 2608 |
|
|
docId = MetaCatUtil.getDocIdFromString(accessionNumber);
|
| 2609 |
|
|
try
|
| 2610 |
|
|
{
|
| 2611 |
|
|
//check out DBConnection
|
| 2612 |
|
|
conn=DBConnectionPool.getDBConnection("MetaCatServlet.getPublicIdForDoc");
|
| 2613 |
|
|
serialNumber=conn.getCheckOutSerialNumber();
|
| 2614 |
|
|
pstmt = conn.prepareStatement(
|
| 2615 |
|
|
"SELECT " + fieldName + " FROM xml_documents " +
|
| 2616 |
|
|
"WHERE docid = ? ");
|
| 2617 |
1716
|
berkley
|
|
| 2618 |
1369
|
tao
|
pstmt.setString(1, docId);
|
| 2619 |
|
|
pstmt.execute();
|
| 2620 |
|
|
rs = pstmt.getResultSet();
|
| 2621 |
|
|
boolean hasRow = rs.next();
|
| 2622 |
|
|
int perm = 0;
|
| 2623 |
1716
|
berkley
|
if ( hasRow )
|
| 2624 |
1369
|
tao
|
{
|
| 2625 |
|
|
fieldValue = rs.getString(1);
|
| 2626 |
|
|
}
|
| 2627 |
|
|
else
|
| 2628 |
|
|
{
|
| 2629 |
|
|
throw new Exception("Could not find document: "+accessionNumber);
|
| 2630 |
|
|
}
|
| 2631 |
|
|
}//try
|
| 2632 |
|
|
catch (Exception e)
|
| 2633 |
|
|
{
|
| 2634 |
|
|
MetaCatUtil.debugMessage("Exception in MetacatServlet.getPublicIdForDoc: "
|
| 2635 |
|
|
+ e.getMessage(), 30);
|
| 2636 |
|
|
throw e;
|
| 2637 |
|
|
}
|
| 2638 |
|
|
finally
|
| 2639 |
|
|
{
|
| 2640 |
|
|
try
|
| 2641 |
|
|
{
|
| 2642 |
|
|
rs.close();
|
| 2643 |
|
|
pstmt.close();
|
| 2644 |
1716
|
berkley
|
|
| 2645 |
1369
|
tao
|
}
|
| 2646 |
|
|
finally
|
| 2647 |
|
|
{
|
| 2648 |
|
|
DBConnectionPool.returnDBConnection(conn, serialNumber);
|
| 2649 |
|
|
}
|
| 2650 |
|
|
}
|
| 2651 |
|
|
return fieldValue;
|
| 2652 |
|
|
}//getFieldValueForDoc
|
| 2653 |
1716
|
berkley
|
|
| 2654 |
1369
|
tao
|
/*
|
| 2655 |
|
|
* A method to output setAccess action result
|
| 2656 |
|
|
*/
|
| 2657 |
1716
|
berkley
|
private void outputResponse(Vector successList,
|
| 2658 |
1369
|
tao
|
Vector errorList,
|
| 2659 |
|
|
PrintWriter out)
|
| 2660 |
|
|
{
|
| 2661 |
|
|
boolean error = false;
|
| 2662 |
|
|
boolean success = false;
|
| 2663 |
|
|
// Output prolog
|
| 2664 |
|
|
out.println(PROLOG);
|
| 2665 |
|
|
// output success message
|
| 2666 |
|
|
if ( successList != null)
|
| 2667 |
|
|
{
|
| 2668 |
|
|
for (int i = 0; i<successList.size(); i++)
|
| 2669 |
|
|
{
|
| 2670 |
|
|
out.println(SUCCESS);
|
| 2671 |
|
|
out.println((String)successList.elementAt(i));
|
| 2672 |
|
|
out.println(SUCCESSCLOSE);
|
| 2673 |
|
|
success = true;
|
| 2674 |
|
|
}//for
|
| 2675 |
|
|
}//if
|
| 2676 |
|
|
// output error message
|
| 2677 |
|
|
if (errorList != null)
|
| 2678 |
|
|
{
|
| 2679 |
|
|
for (int i = 0; i<errorList.size(); i++)
|
| 2680 |
|
|
{
|
| 2681 |
|
|
out.println(ERROR);
|
| 2682 |
|
|
out.println((String)errorList.elementAt(i));
|
| 2683 |
|
|
out.println(ERRORCLOSE);
|
| 2684 |
|
|
error = true;
|
| 2685 |
|
|
}//for
|
| 2686 |
|
|
}//if
|
| 2687 |
1716
|
berkley
|
|
| 2688 |
1369
|
tao
|
// if no error and no success info, send a error that nothing happened
|
| 2689 |
|
|
if( !error && !success)
|
| 2690 |
|
|
{
|
| 2691 |
|
|
out.println(ERROR);
|
| 2692 |
|
|
out.println("Nothing happend for setaccess action");
|
| 2693 |
|
|
out.println(ERRORCLOSE);
|
| 2694 |
|
|
}
|
| 2695 |
1716
|
berkley
|
|
| 2696 |
1369
|
tao
|
}//outputResponse
|
| 2697 |
46
|
jones
|
}
|