[3309] | 1 | package org.greenstone.gsdl3;
|
---|
| 2 |
|
---|
[27617] | 3 | import java.io.File;
|
---|
[25717] | 4 | import java.io.IOException;
|
---|
| 5 | import java.io.PrintWriter;
|
---|
| 6 | import java.io.Serializable;
|
---|
| 7 | import java.lang.reflect.Type;
|
---|
| 8 | import java.util.ArrayList;
|
---|
| 9 | import java.util.Enumeration;
|
---|
| 10 | import java.util.HashMap;
|
---|
| 11 | import java.util.Hashtable;
|
---|
| 12 | import java.util.Iterator;
|
---|
| 13 | import java.util.List;
|
---|
| 14 | import java.util.Map;
|
---|
| 15 |
|
---|
| 16 | import javax.servlet.ServletConfig;
|
---|
| 17 | import javax.servlet.ServletException;
|
---|
| 18 | import javax.servlet.http.Cookie;
|
---|
| 19 | import javax.servlet.http.HttpServletRequest;
|
---|
| 20 | import javax.servlet.http.HttpServletResponse;
|
---|
| 21 | import javax.servlet.http.HttpSession;
|
---|
| 22 | import javax.servlet.http.HttpSessionBindingEvent;
|
---|
| 23 | import javax.servlet.http.HttpSessionBindingListener;
|
---|
| 24 |
|
---|
[27617] | 25 | import org.apache.commons.fileupload.FileItem;
|
---|
| 26 | import org.apache.commons.fileupload.disk.DiskFileItemFactory;
|
---|
| 27 | import org.apache.commons.fileupload.servlet.ServletFileUpload;
|
---|
[25717] | 28 | import org.apache.commons.lang3.StringUtils;
|
---|
| 29 | import org.apache.log4j.Logger;
|
---|
| 30 | import org.greenstone.gsdl3.action.PageAction;
|
---|
| 31 | import org.greenstone.gsdl3.comms.Communicator;
|
---|
| 32 | import org.greenstone.gsdl3.comms.SOAPCommunicator;
|
---|
| 33 | import org.greenstone.gsdl3.core.DefaultReceptionist;
|
---|
| 34 | import org.greenstone.gsdl3.core.MessageRouter;
|
---|
| 35 | import org.greenstone.gsdl3.core.Receptionist;
|
---|
[25257] | 36 | import org.greenstone.gsdl3.service.Authentication;
|
---|
[25717] | 37 | import org.greenstone.gsdl3.util.GSConstants;
|
---|
| 38 | import org.greenstone.gsdl3.util.GSParams;
|
---|
| 39 | import org.greenstone.gsdl3.util.GSXML;
|
---|
| 40 | import org.greenstone.gsdl3.util.UserContext;
|
---|
| 41 | import org.greenstone.gsdl3.util.XMLConverter;
|
---|
[27617] | 42 | import org.greenstone.util.GlobalProperties;
|
---|
[27073] | 43 | import org.json.JSONObject;
|
---|
[3652] | 44 | import org.w3c.dom.Document;
|
---|
| 45 | import org.w3c.dom.Element;
|
---|
[16374] | 46 | import org.w3c.dom.Node;
|
---|
[4259] | 47 | import org.w3c.dom.NodeList;
|
---|
[25635] | 48 |
|
---|
[24052] | 49 | import com.google.gson.Gson;
|
---|
| 50 | import com.google.gson.reflect.TypeToken;
|
---|
| 51 |
|
---|
[24753] | 52 | /**
|
---|
| 53 | * a servlet to serve the greenstone library - we are using servlets instead of
|
---|
| 54 | * cgi the init method is called only once - the first time the servlet classes
|
---|
| 55 | * are loaded. Each time a request comes in to the servlet, the session() method
|
---|
| 56 | * is called in a new thread (calls doGet/doPut etc) takes the a=p&p=home type
|
---|
| 57 | * args and builds a simple request to send to its receptionist, which returns a
|
---|
| 58 | * result in html, cos output=html is set in the request
|
---|
| 59 | *
|
---|
| 60 | * 18/Jul/07 xiao modify to make the cached parameters collection-specific. Most
|
---|
| 61 | * of the work is done in doGet(), except adding an inner class
|
---|
| 62 | * UserSessionCache.
|
---|
| 63 | *
|
---|
| 64 | * @see Receptionist
|
---|
| 65 | */
|
---|
[25717] | 66 | public class LibraryServlet extends BaseGreenstoneServlet
|
---|
[24753] | 67 | {
|
---|
[24019] | 68 | /** the receptionist to send messages to */
|
---|
[24753] | 69 | protected Receptionist recept = null;
|
---|
[18223] | 70 |
|
---|
[24753] | 71 | /**
|
---|
| 72 | * the default language - is specified by setting a servlet param, otherwise
|
---|
| 73 | * DEFAULT_LANG is used
|
---|
| 74 | */
|
---|
| 75 | protected String default_lang = null;
|
---|
[18223] | 76 |
|
---|
[24019] | 77 | /** Whether or not client-side XSLT support should be exposed */
|
---|
| 78 | protected boolean supports_client_xslt = false;
|
---|
[18223] | 79 |
|
---|
[24753] | 80 | /**
|
---|
| 81 | * The default default - used if a default lang is not specified in the
|
---|
| 82 | * servlet params
|
---|
| 83 | */
|
---|
[24019] | 84 | protected final String DEFAULT_LANG = "en";
|
---|
[18223] | 85 |
|
---|
[24019] | 86 | /** container Document to create XML Nodes */
|
---|
[24753] | 87 | protected Document doc = null;
|
---|
[14498] | 88 |
|
---|
[24019] | 89 | /** a converter class to parse XML and create Docs */
|
---|
[24753] | 90 | protected XMLConverter converter = null;
|
---|
[6301] | 91 |
|
---|
[24753] | 92 | /**
|
---|
| 93 | * the cgi stuff - the Receptionist can add new args to this
|
---|
| 94 | *
|
---|
| 95 | * its used by the servlet to determine what args to save
|
---|
| 96 | */
|
---|
[24019] | 97 | protected GSParams params = null;
|
---|
[12021] | 98 |
|
---|
[24753] | 99 | /**
|
---|
| 100 | * user id - new one per session. This doesn't work if session state is
|
---|
| 101 | * saved between restarts - this requires this value to be saved too.
|
---|
| 102 | */
|
---|
[24019] | 103 | protected int next_user_id = 0;
|
---|
[18223] | 104 |
|
---|
[24753] | 105 | /**
|
---|
| 106 | * a hash that contains all the active session IDs mapped to the cached
|
---|
| 107 | * items It is updated whenever the whole site or a particular collection is
|
---|
| 108 | * reconfigured using the command a=s&sa=c or a=s&sa=c&c=xxx It is in the
|
---|
| 109 | * form: sid -> (UserSessionCache object)
|
---|
| 110 | */
|
---|
[25635] | 111 | protected Hashtable<String, UserSessionCache> session_ids_table = new Hashtable<String, UserSessionCache>();
|
---|
[25128] | 112 |
|
---|
[24753] | 113 | /**
|
---|
| 114 | * the maximum interval that the cached info remains in session_ids_table
|
---|
| 115 | * (in seconds) This is set in web.xml
|
---|
| 116 | */
|
---|
[24019] | 117 | protected int session_expiration = 1800;
|
---|
[13122] | 118 |
|
---|
[24019] | 119 | static Logger logger = Logger.getLogger(org.greenstone.gsdl3.LibraryServlet.class.getName());
|
---|
[18223] | 120 |
|
---|
[24753] | 121 | /** initialise the servlet */
|
---|
| 122 | public void init(ServletConfig config) throws ServletException
|
---|
| 123 | {
|
---|
[24019] | 124 | // always call super.init;
|
---|
| 125 | super.init(config);
|
---|
| 126 | // disable preferences - does this work anyway??
|
---|
| 127 | //System.setProperty("java.util.prefs.PreferencesFactory", "org.greenstone.gsdl3.util.DisabledPreferencesFactory");
|
---|
[24753] | 128 |
|
---|
[24019] | 129 | String library_name = config.getInitParameter(GSConstants.LIBRARY_NAME);
|
---|
| 130 | String interface_name = config.getInitParameter(GSConstants.INTERFACE_NAME);
|
---|
[24753] | 131 |
|
---|
| 132 | String allowXslt = (String) config.getInitParameter(GSConstants.ALLOW_CLIENT_SIDE_XSLT);
|
---|
[24019] | 133 | supports_client_xslt = allowXslt != null && allowXslt.equals("true");
|
---|
[24753] | 134 |
|
---|
[24019] | 135 | this.default_lang = config.getInitParameter(GSConstants.DEFAULT_LANG);
|
---|
| 136 | String sess_expire = config.getInitParameter(GSXML.SESSION_EXPIRATION);
|
---|
[24753] | 137 |
|
---|
| 138 | if (sess_expire != null && !sess_expire.equals(""))
|
---|
| 139 | {
|
---|
[24019] | 140 | this.session_expiration = Integer.parseInt(sess_expire);
|
---|
| 141 | }
|
---|
[24753] | 142 |
|
---|
| 143 | if (library_name == null || interface_name == null)
|
---|
| 144 | {
|
---|
[24019] | 145 | // must have this
|
---|
| 146 | System.err.println("initialisation parameters not all set!");
|
---|
| 147 | System.err.println(" you must have libraryname and interfacename");
|
---|
| 148 | System.exit(1);
|
---|
| 149 | }
|
---|
[24753] | 150 |
|
---|
[24019] | 151 | String site_name = config.getInitParameter(GSConstants.SITE_NAME);
|
---|
| 152 | String remote_site_name = null;
|
---|
| 153 | String remote_site_type = null;
|
---|
| 154 | String remote_site_address = null;
|
---|
[24753] | 155 |
|
---|
| 156 | if (site_name == null)
|
---|
| 157 | {
|
---|
[24019] | 158 | // no site, try for communicator
|
---|
| 159 | remote_site_name = config.getInitParameter("remote_site_name");
|
---|
| 160 | remote_site_type = config.getInitParameter("remote_site_type");
|
---|
| 161 | remote_site_address = config.getInitParameter("remote_site_address");
|
---|
[24753] | 162 | if (remote_site_name == null || remote_site_type == null || remote_site_address == null)
|
---|
| 163 | {
|
---|
[24019] | 164 | System.err.println("initialisation paramters not all set!");
|
---|
| 165 | System.err.println("if site_name is not set, then you must have remote_site_name, remote_site_type and remote_site_address set");
|
---|
| 166 | System.exit(1);
|
---|
| 167 | }
|
---|
| 168 | }
|
---|
[24753] | 169 |
|
---|
| 170 | if (this.default_lang == null)
|
---|
| 171 | {
|
---|
[24019] | 172 | // choose english
|
---|
| 173 | this.default_lang = DEFAULT_LANG;
|
---|
| 174 | }
|
---|
[24753] | 175 |
|
---|
[27617] | 176 | HashMap<String, Object> config_params = new HashMap<String, Object>();
|
---|
[24753] | 177 |
|
---|
[24019] | 178 | config_params.put(GSConstants.LIBRARY_NAME, library_name);
|
---|
[24753] | 179 | config_params.put(GSConstants.INTERFACE_NAME, interface_name);
|
---|
[24019] | 180 | config_params.put(GSConstants.ALLOW_CLIENT_SIDE_XSLT, supports_client_xslt);
|
---|
[24753] | 181 |
|
---|
| 182 | if (site_name != null)
|
---|
| 183 | {
|
---|
[24019] | 184 | config_params.put(GSConstants.SITE_NAME, site_name);
|
---|
| 185 | }
|
---|
| 186 | this.converter = new XMLConverter();
|
---|
| 187 | this.doc = this.converter.newDOM();
|
---|
[24753] | 188 |
|
---|
[24019] | 189 | // the receptionist -the servlet will talk to this
|
---|
[24753] | 190 | String recept_name = (String) config.getInitParameter("receptionist_class");
|
---|
| 191 | if (recept_name == null)
|
---|
| 192 | {
|
---|
[24019] | 193 | this.recept = new DefaultReceptionist();
|
---|
[24753] | 194 | }
|
---|
| 195 | else
|
---|
| 196 | {
|
---|
| 197 | try
|
---|
| 198 | {
|
---|
| 199 | this.recept = (Receptionist) Class.forName("org.greenstone.gsdl3.core." + recept_name).newInstance();
|
---|
| 200 | }
|
---|
| 201 | catch (Exception e)
|
---|
| 202 | { // cant use this new one, so use normal one
|
---|
| 203 | System.err.println("LibraryServlet configure exception when trying to use a new Receptionist " + recept_name + ": " + e.getMessage());
|
---|
[24019] | 204 | e.printStackTrace();
|
---|
| 205 | this.recept = new DefaultReceptionist();
|
---|
| 206 | }
|
---|
| 207 | }
|
---|
| 208 | this.recept.setConfigParams(config_params);
|
---|
[24753] | 209 |
|
---|
[24019] | 210 | // the receptionist uses a MessageRouter or Communicator to send its requests to. We either create a MessageRouter here for the designated site (if site_name set), or we create a Communicator for a remote site. The is given to teh Receptionist, and the servlet never talks to it again.directly.
|
---|
[24753] | 211 | if (site_name != null)
|
---|
| 212 | {
|
---|
| 213 | String mr_name = (String) config.getInitParameter("messagerouter_class");
|
---|
[24019] | 214 | MessageRouter message_router = null;
|
---|
[24753] | 215 | if (mr_name == null)
|
---|
| 216 | { // just use the normal MR
|
---|
[24019] | 217 | message_router = new MessageRouter();
|
---|
[24753] | 218 | }
|
---|
| 219 | else
|
---|
| 220 | { // try the specified one
|
---|
| 221 | try
|
---|
| 222 | {
|
---|
| 223 | message_router = (MessageRouter) Class.forName("org.greenstone.gsdl3.core." + mr_name).newInstance();
|
---|
| 224 | }
|
---|
| 225 | catch (Exception e)
|
---|
| 226 | { // cant use this new one, so use normal one
|
---|
| 227 | System.err.println("LibraryServlet configure exception when trying to use a new MessageRouter " + mr_name + ": " + e.getMessage());
|
---|
[24019] | 228 | e.printStackTrace();
|
---|
| 229 | message_router = new MessageRouter();
|
---|
| 230 | }
|
---|
| 231 | }
|
---|
[24753] | 232 |
|
---|
[24019] | 233 | message_router.setSiteName(site_name);
|
---|
| 234 | message_router.setLibraryName(library_name);
|
---|
| 235 | message_router.configure();
|
---|
| 236 | this.recept.setMessageRouter(message_router);
|
---|
[24753] | 237 | }
|
---|
| 238 | else
|
---|
| 239 | {
|
---|
[24019] | 240 | // talking to a remote site, create a communicator
|
---|
| 241 | Communicator communicator = null;
|
---|
| 242 | // we need to create the XML to configure the communicator
|
---|
| 243 | Element site_elem = this.doc.createElement(GSXML.SITE_ELEM);
|
---|
| 244 | site_elem.setAttribute(GSXML.TYPE_ATT, remote_site_type);
|
---|
| 245 | site_elem.setAttribute(GSXML.NAME_ATT, remote_site_name);
|
---|
| 246 | site_elem.setAttribute(GSXML.ADDRESS_ATT, remote_site_address);
|
---|
[24753] | 247 |
|
---|
| 248 | if (remote_site_type.equals(GSXML.COMM_TYPE_SOAP_JAVA))
|
---|
| 249 | {
|
---|
[24019] | 250 | communicator = new SOAPCommunicator();
|
---|
[24753] | 251 | }
|
---|
| 252 | else
|
---|
| 253 | {
|
---|
| 254 | System.err.println("LibraryServlet.init Error: invalid Communicator type: " + remote_site_type);
|
---|
[24019] | 255 | System.exit(1);
|
---|
| 256 | }
|
---|
[24753] | 257 |
|
---|
| 258 | if (!communicator.configure(site_elem))
|
---|
| 259 | {
|
---|
[24019] | 260 | System.err.println("LibraryServlet.init Error: Couldn't configure communicator");
|
---|
| 261 | System.exit(1);
|
---|
| 262 | }
|
---|
| 263 | this.recept.setMessageRouter(communicator);
|
---|
| 264 | }
|
---|
[24753] | 265 |
|
---|
[24019] | 266 | // the params arg thingy
|
---|
[24753] | 267 |
|
---|
| 268 | String params_name = (String) config.getInitParameter("params_class");
|
---|
| 269 | if (params_name == null)
|
---|
| 270 | {
|
---|
[24019] | 271 | this.params = new GSParams();
|
---|
[24753] | 272 | }
|
---|
| 273 | else
|
---|
| 274 | {
|
---|
| 275 | try
|
---|
| 276 | {
|
---|
| 277 | this.params = (GSParams) Class.forName("org.greenstone.gsdl3.util." + params_name).newInstance();
|
---|
| 278 | }
|
---|
| 279 | catch (Exception e)
|
---|
| 280 | {
|
---|
| 281 | System.err.println("LibraryServlet configure exception when trying to use a new params thing " + params_name + ": " + e.getMessage());
|
---|
[24019] | 282 | e.printStackTrace();
|
---|
| 283 | this.params = new GSParams();
|
---|
| 284 | }
|
---|
| 285 | }
|
---|
| 286 | // pass it to the receptionist
|
---|
| 287 | this.recept.setParams(this.params);
|
---|
| 288 | this.recept.configure();
|
---|
[24753] | 289 |
|
---|
[25257] | 290 | //Allow the message router and the document to be accessed from anywhere in this servlet context
|
---|
| 291 | this.getServletContext().setAttribute("GSRouter", this.recept.getMessageRouter());
|
---|
| 292 | this.getServletContext().setAttribute("GSDocument", this.doc);
|
---|
[24019] | 293 | }
|
---|
[18223] | 294 |
|
---|
[24753] | 295 | private void logUsageInfo(HttpServletRequest request)
|
---|
| 296 | {
|
---|
| 297 | String usageInfo = "";
|
---|
[14524] | 298 |
|
---|
[24019] | 299 | //session-info: get params stored in the session
|
---|
| 300 | HttpSession session = request.getSession(true);
|
---|
| 301 | Enumeration attributeNames = session.getAttributeNames();
|
---|
[24753] | 302 | while (attributeNames.hasMoreElements())
|
---|
| 303 | {
|
---|
| 304 | String name = (String) attributeNames.nextElement();
|
---|
| 305 | usageInfo += name + "=" + session.getAttribute(name) + " ";
|
---|
[24019] | 306 | }
|
---|
[24753] | 307 |
|
---|
[24019] | 308 | //logged info = general-info + session-info
|
---|
[24753] | 309 | usageInfo = request.getServletPath() + " " + //serlvet
|
---|
| 310 | "[" + request.getQueryString() + "]" + " " + //the query string
|
---|
| 311 | "[" + usageInfo.trim() + "]" + " " + // params stored in a session
|
---|
| 312 | request.getRemoteAddr() + " " + //remote address
|
---|
| 313 | request.getRequestedSessionId() + " " + //session id
|
---|
| 314 | request.getHeader("user-agent") + " "; //the remote brower info
|
---|
| 315 |
|
---|
[24019] | 316 | logger.info(usageInfo);
|
---|
[24753] | 317 |
|
---|
[24019] | 318 | }
|
---|
[23790] | 319 |
|
---|
[24753] | 320 | public class UserSessionCache implements HttpSessionBindingListener
|
---|
| 321 | {
|
---|
[24019] | 322 | String session_id = "";
|
---|
[24753] | 323 |
|
---|
| 324 | /**
|
---|
| 325 | * a hash that maps the session ID to a hashtable that maps the
|
---|
| 326 | * coll_name to its parameters coll_name -> Hashtable (param_name ->
|
---|
| 327 | * param_value)
|
---|
| 328 | */
|
---|
[25635] | 329 | protected Hashtable<String, Hashtable<String, String>> coll_name_params_table = null;
|
---|
[24753] | 330 |
|
---|
[25635] | 331 | public UserSessionCache(String id, Hashtable<String, Hashtable<String, String>> table)
|
---|
[24753] | 332 | {
|
---|
| 333 | session_id = id;
|
---|
| 334 | coll_name_params_table = (table == null) ? new Hashtable() : table;
|
---|
[24019] | 335 | }
|
---|
[23790] | 336 |
|
---|
[24753] | 337 | protected void cleanupCache(String coll_name)
|
---|
| 338 | {
|
---|
| 339 | if (coll_name_params_table.containsKey(coll_name))
|
---|
| 340 | {
|
---|
[24019] | 341 | coll_name_params_table.remove(coll_name);
|
---|
| 342 | }
|
---|
| 343 | }
|
---|
| 344 |
|
---|
[25635] | 345 | protected Hashtable<String, Hashtable<String, String>> getParamsTable()
|
---|
[24753] | 346 | {
|
---|
[24019] | 347 | return coll_name_params_table;
|
---|
| 348 | }
|
---|
| 349 |
|
---|
[24753] | 350 | public void valueBound(HttpSessionBindingEvent event)
|
---|
| 351 | {
|
---|
[24019] | 352 | // Do nothing
|
---|
| 353 | }
|
---|
| 354 |
|
---|
[24753] | 355 | public void valueUnbound(HttpSessionBindingEvent event)
|
---|
| 356 | {
|
---|
| 357 | if (session_ids_table.containsKey(session_id))
|
---|
| 358 | {
|
---|
[24019] | 359 | session_ids_table.remove(session_id);
|
---|
| 360 | }
|
---|
| 361 | }
|
---|
| 362 |
|
---|
[24753] | 363 | public int tableSize()
|
---|
| 364 | {
|
---|
| 365 | return (coll_name_params_table == null) ? 0 : coll_name_params_table.size();
|
---|
[24019] | 366 | }
|
---|
| 367 | }
|
---|
[26210] | 368 |
|
---|
[25761] | 369 | public void destroy()
|
---|
| 370 | {
|
---|
| 371 | recept.cleanUp();
|
---|
| 372 | }
|
---|
[24019] | 373 |
|
---|
[27617] | 374 | public void doGetOrPost(HttpServletRequest request, HttpServletResponse response, Map<String, String[]> queryMap) throws ServletException, IOException
|
---|
[24753] | 375 | {
|
---|
| 376 | logUsageInfo(request);
|
---|
[25092] | 377 |
|
---|
[25054] | 378 | if (queryMap != null)
|
---|
[24753] | 379 | {
|
---|
[25054] | 380 | Iterator<String> queryIter = queryMap.keySet().iterator();
|
---|
[24019] | 381 | boolean redirect = false;
|
---|
| 382 | String href = null;
|
---|
| 383 | String rl = null;
|
---|
[25304] | 384 | String el = null;
|
---|
[27617] | 385 |
|
---|
[25054] | 386 | while (queryIter.hasNext())
|
---|
[24753] | 387 | {
|
---|
[25054] | 388 | String q = queryIter.next();
|
---|
[25304] | 389 | if (q.equals(GSParams.EXTERNAL_LINK_TYPE))
|
---|
[24753] | 390 | {
|
---|
[25351] | 391 | el = queryMap.get(q)[0];
|
---|
[24753] | 392 | }
|
---|
[25304] | 393 | else if (q.equals(GSParams.HREF))
|
---|
[24753] | 394 | {
|
---|
[25054] | 395 | href = queryMap.get(q)[0];
|
---|
[24019] | 396 | href = StringUtils.replace(href, "%2f", "/");
|
---|
| 397 | href = StringUtils.replace(href, "%7e", "~");
|
---|
| 398 | href = StringUtils.replace(href, "%3f", "?");
|
---|
| 399 | href = StringUtils.replace(href, "%3A", "\\:");
|
---|
| 400 | }
|
---|
[25304] | 401 | else if (q.equals(GSParams.RELATIVE_LINK))
|
---|
[24753] | 402 | {
|
---|
[25054] | 403 | rl = queryMap.get(q)[0];
|
---|
[24753] | 404 | }
|
---|
[24019] | 405 | }
|
---|
| 406 |
|
---|
[25304] | 407 | //if query_string contains "el=direct", an href is specified, and its not a relative link, then the web page will be redirected to the external URl, otherwise a greenstone page with an external URL will be displayed
|
---|
[24019] | 408 | //"rl=0" this is an external link
|
---|
| 409 | //"rl=1" this is an internal link
|
---|
[25304] | 410 | if ((href != null) && (rl.equals("0")))
|
---|
| 411 | {// This is an external link,
|
---|
| 412 |
|
---|
[25351] | 413 | if (el.equals("framed"))
|
---|
| 414 | {
|
---|
| 415 | //TODO **** how best to change to a=p&sa=html&c=collection&url=href
|
---|
| 416 | // response.setContentType("text/xml");
|
---|
| 417 | //response.sendRedirect("http://localhost:8383/greenstone3/gs3library?a=p&sa=html&c=external&url="+href);
|
---|
| 418 | }
|
---|
| 419 | else
|
---|
| 420 | {
|
---|
| 421 | // el = '' or direct
|
---|
| 422 | //the web page is re-directed to the external URL (&el=&rl=0&href="http://...")
|
---|
| 423 | response.setContentType("text/xml");
|
---|
| 424 | response.sendRedirect(href);
|
---|
| 425 | }
|
---|
[24019] | 426 | }
|
---|
| 427 | }
|
---|
[24753] | 428 |
|
---|
[24019] | 429 | // Nested Diagnostic Configurator to identify the client for
|
---|
[24753] | 430 | HttpSession session = request.getSession(true);
|
---|
[24019] | 431 | session.setMaxInactiveInterval(session_expiration);
|
---|
[24753] | 432 | String uid = (String) session.getAttribute(GSXML.USER_ID_ATT);
|
---|
| 433 | if (uid == null)
|
---|
| 434 | {
|
---|
| 435 | uid = "" + getNextUserId();
|
---|
| 436 | session.setAttribute(GSXML.USER_ID_ATT, uid);
|
---|
[24019] | 437 | }
|
---|
[24962] | 438 |
|
---|
[24753] | 439 | request.setCharacterEncoding("UTF-8");
|
---|
| 440 | response.setContentType("text/html;charset=UTF-8");
|
---|
| 441 | PrintWriter out = response.getWriter();
|
---|
| 442 |
|
---|
[27617] | 443 | String lang = getFirstParam(GSParams.LANGUAGE, queryMap);
|
---|
[24753] | 444 | if (lang == null || lang.equals(""))
|
---|
| 445 | {
|
---|
[24019] | 446 | // try the session cached lang
|
---|
[24753] | 447 | lang = (String) session.getAttribute(GSParams.LANGUAGE);
|
---|
| 448 | if (lang == null || lang.equals(""))
|
---|
| 449 | {
|
---|
[24019] | 450 | // still not set, use the default
|
---|
| 451 | lang = this.default_lang;
|
---|
| 452 | }
|
---|
| 453 | }
|
---|
[24993] | 454 | UserContext userContext = new UserContext();
|
---|
| 455 | userContext.setLanguage(lang);
|
---|
| 456 | userContext.setUserID(uid);
|
---|
[24753] | 457 |
|
---|
[27074] | 458 | if (request.getAuthType() != null)
|
---|
| 459 | {
|
---|
[27617] | 460 | //Get the username
|
---|
| 461 | userContext.setUsername(request.getUserPrincipal().getName());
|
---|
| 462 |
|
---|
[27074] | 463 | //Get the groups for the user
|
---|
| 464 | Element acquireGroupMessage = this.doc.createElement(GSXML.MESSAGE_ELEM);
|
---|
| 465 | Element acquireGroupRequest = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_PROCESS, "GetUserInformation", userContext);
|
---|
| 466 | acquireGroupMessage.appendChild(acquireGroupRequest);
|
---|
| 467 |
|
---|
| 468 | Element paramList = this.doc.createElement(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 469 | acquireGroupRequest.appendChild(paramList);
|
---|
[27617] | 470 | paramList.appendChild(GSXML.createParameter(this.doc, GSXML.USERNAME_ATT, request.getUserPrincipal().getName()));
|
---|
[27074] | 471 |
|
---|
| 472 | Element aquireGroupsResponseMessage = (Element) this.recept.process(acquireGroupMessage);
|
---|
| 473 | Element aquireGroupsResponse = (Element) GSXML.getChildByTagName(aquireGroupsResponseMessage, GSXML.RESPONSE_ELEM);
|
---|
| 474 | Element param_list = (Element) GSXML.getChildByTagName(aquireGroupsResponse, GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 475 |
|
---|
| 476 | if (param_list != null)
|
---|
| 477 | {
|
---|
| 478 | HashMap<String, Serializable> params = GSXML.extractParams(param_list, false);
|
---|
| 479 | String groups = (String) params.get("groups");
|
---|
| 480 | userContext.setGroups(groups.split(","));
|
---|
| 481 | }
|
---|
| 482 | }
|
---|
| 483 |
|
---|
[24019] | 484 | // set the lang in the session
|
---|
[24753] | 485 | session.setAttribute(GSParams.LANGUAGE, lang);
|
---|
| 486 |
|
---|
[27617] | 487 | String output = getFirstParam(GSParams.OUTPUT, queryMap);
|
---|
[24753] | 488 | if (output == null || output.equals(""))
|
---|
| 489 | {
|
---|
[24019] | 490 | output = "html"; // uses html by default
|
---|
| 491 | }
|
---|
[24753] | 492 |
|
---|
[24019] | 493 | // If server output, force a switch to traditional interface
|
---|
| 494 | //output = (output.equals("server")) ? "html" : output;
|
---|
[24753] | 495 |
|
---|
[24019] | 496 | // Force change the output mode if client-side XSLT is supported - server vs. client
|
---|
| 497 | // BUT only if the library allows client-side transforms
|
---|
[24753] | 498 | if (supports_client_xslt)
|
---|
| 499 | {
|
---|
[24019] | 500 | // MUST be done before the xml_message is built
|
---|
| 501 | Cookie[] cookies = request.getCookies();
|
---|
| 502 | Cookie xsltCookie = null;
|
---|
[24753] | 503 |
|
---|
[24019] | 504 | // The client has cookies enabled and a value set - use it!
|
---|
[24753] | 505 | if (cookies != null)
|
---|
| 506 | {
|
---|
| 507 | for (Cookie c : cookies)
|
---|
| 508 | {
|
---|
| 509 | if (c.getName().equals("supportsXSLT"))
|
---|
| 510 | {
|
---|
[24019] | 511 | xsltCookie = c;
|
---|
| 512 | break;
|
---|
| 513 | }
|
---|
[23790] | 514 | }
|
---|
[24019] | 515 | output = (xsltCookie != null && xsltCookie.getValue().equals("true") && output.equals("html")) ? "xsltclient" : output;
|
---|
[23790] | 516 | }
|
---|
| 517 | }
|
---|
[24753] | 518 |
|
---|
[24019] | 519 | // the request to the receptionist
|
---|
[24753] | 520 | Element xml_message = this.doc.createElement(GSXML.MESSAGE_ELEM);
|
---|
[24993] | 521 | Element xml_request = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_PAGE, "", userContext);
|
---|
[24753] | 522 | xml_request.setAttribute(GSXML.OUTPUT_ATT, output);
|
---|
| 523 |
|
---|
| 524 | xml_message.appendChild(xml_request);
|
---|
| 525 |
|
---|
[27617] | 526 | String action = getFirstParam(GSParams.ACTION, queryMap);
|
---|
| 527 | String subaction = getFirstParam(GSParams.SUBACTION, queryMap);
|
---|
| 528 | String collection = getFirstParam(GSParams.COLLECTION, queryMap);
|
---|
| 529 | String document = getFirstParam(GSParams.DOCUMENT, queryMap);
|
---|
| 530 | String service = getFirstParam(GSParams.SERVICE, queryMap);
|
---|
[13122] | 531 |
|
---|
[24019] | 532 | // We clean up the cache session_ids_table if system
|
---|
| 533 | // commands are issued (and also don't need to do caching for this request)
|
---|
| 534 | boolean should_cache = true;
|
---|
[25304] | 535 | if (action != null && action.equals(GSParams.SYSTEM_ACTION))
|
---|
[24753] | 536 | {
|
---|
[24019] | 537 | should_cache = false;
|
---|
[16938] | 538 |
|
---|
[24019] | 539 | // we may want to remove all collection cache info, or just a specific collection
|
---|
[24753] | 540 | boolean clean_all = true;
|
---|
[24019] | 541 | String clean_collection = null;
|
---|
| 542 | // system commands are to activate/deactivate stuff
|
---|
| 543 | // collection param is in the sc parameter.
|
---|
| 544 | // don't like the fact that it is hard coded here
|
---|
[27617] | 545 | String coll = getFirstParam(GSParams.SYSTEM_CLUSTER, queryMap);
|
---|
[24753] | 546 | if (coll != null && !coll.equals(""))
|
---|
| 547 | {
|
---|
[24019] | 548 | clean_all = false;
|
---|
| 549 | clean_collection = coll;
|
---|
[24753] | 550 | }
|
---|
| 551 | else
|
---|
| 552 | {
|
---|
[24019] | 553 | // check other system types
|
---|
[24753] | 554 | if (subaction.equals("a") || subaction.equals("d"))
|
---|
| 555 | {
|
---|
[27617] | 556 | String module_name = getFirstParam("sn", queryMap);
|
---|
[24753] | 557 | if (module_name != null && !module_name.equals(""))
|
---|
| 558 | {
|
---|
[24019] | 559 | clean_all = false;
|
---|
| 560 | clean_collection = module_name;
|
---|
| 561 | }
|
---|
| 562 | }
|
---|
| 563 | }
|
---|
[24753] | 564 | if (clean_all)
|
---|
| 565 | {
|
---|
[25635] | 566 | session_ids_table = new Hashtable<String, UserSessionCache>();
|
---|
[24019] | 567 | session.removeAttribute(GSXML.USER_SESSION_CACHE_ATT);
|
---|
[24753] | 568 | }
|
---|
| 569 | else
|
---|
| 570 | {
|
---|
[24019] | 571 | // just clean up info for clean_collection
|
---|
[25635] | 572 | ArrayList<UserSessionCache> cache_list = new ArrayList<UserSessionCache>(session_ids_table.values());
|
---|
[24753] | 573 | for (int i = 0; i < cache_list.size(); i++)
|
---|
| 574 | {
|
---|
[25635] | 575 | UserSessionCache cache = cache_list.get(i);
|
---|
[24019] | 576 | cache.cleanupCache(clean_collection);
|
---|
| 577 | }
|
---|
[24753] | 578 |
|
---|
[24019] | 579 | }
|
---|
| 580 | }
|
---|
[24753] | 581 |
|
---|
[24019] | 582 | // cache_key is the collection name, or service name
|
---|
| 583 | String cache_key = collection;
|
---|
[24753] | 584 | if (cache_key == null || cache_key.equals(""))
|
---|
| 585 | {
|
---|
[24019] | 586 | cache_key = service;
|
---|
| 587 | }
|
---|
[24753] | 588 |
|
---|
[24019] | 589 | // logger.info("should_cache= " + should_cache);
|
---|
[16938] | 590 |
|
---|
[24019] | 591 | //clear the collection-specific cache in the session, since we have no way to know whether this session is
|
---|
| 592 | //about the same collection as the last session or not.
|
---|
| 593 | Enumeration attributeNames = session.getAttributeNames();
|
---|
[24753] | 594 | while (attributeNames.hasMoreElements())
|
---|
| 595 | {
|
---|
| 596 | String name = (String) attributeNames.nextElement();
|
---|
| 597 | if (!name.equals(GSXML.USER_SESSION_CACHE_ATT) && !name.equals(GSParams.LANGUAGE) && !name.equals(GSXML.USER_ID_ATT))
|
---|
| 598 | {
|
---|
[24019] | 599 | session.removeAttribute(name);
|
---|
| 600 | }
|
---|
| 601 | }
|
---|
[24753] | 602 |
|
---|
[24019] | 603 | UserSessionCache session_cache = null;
|
---|
[25635] | 604 | Hashtable<String, Hashtable<String, String>> param_table = null;
|
---|
| 605 | Hashtable<String, String> table = null;
|
---|
[24019] | 606 | String sid = session.getId();
|
---|
[24753] | 607 | if (should_cache == true && cache_key != null && !cache_key.equals(""))
|
---|
| 608 | {
|
---|
| 609 | if (session_ids_table.containsKey(sid))
|
---|
| 610 | {
|
---|
[25635] | 611 | session_cache = session_ids_table.get(sid);
|
---|
[24019] | 612 | param_table = session_cache.getParamsTable();
|
---|
| 613 | logger.info("collections in table: " + tableToString(param_table));
|
---|
[24753] | 614 | if (param_table.containsKey(cache_key))
|
---|
| 615 | {
|
---|
[24019] | 616 | //logger.info("existing table: " + collection);
|
---|
[25635] | 617 | table = param_table.get(cache_key);
|
---|
[24753] | 618 | }
|
---|
| 619 | else
|
---|
| 620 | {
|
---|
[25635] | 621 | table = new Hashtable<String, String>();
|
---|
[24019] | 622 | param_table.put(cache_key, table);
|
---|
| 623 | //logger.info("new table: " + collection);
|
---|
| 624 | }
|
---|
[24753] | 625 | }
|
---|
| 626 | else
|
---|
| 627 | {
|
---|
[25635] | 628 | param_table = new Hashtable<String, Hashtable<String, String>>();
|
---|
| 629 | table = new Hashtable<String, String>();
|
---|
[24019] | 630 | param_table.put(cache_key, table);
|
---|
| 631 | session_cache = new UserSessionCache(sid, param_table);
|
---|
| 632 | session_ids_table.put(sid, session_cache);
|
---|
| 633 | session.setAttribute(GSXML.USER_SESSION_CACHE_ATT, session_cache);
|
---|
| 634 | //logger.info("new session id");
|
---|
| 635 | }
|
---|
| 636 | }
|
---|
[6301] | 637 |
|
---|
[24753] | 638 | if (action == null || action.equals(""))
|
---|
| 639 | {
|
---|
[24019] | 640 | // should we do all the following stuff if using default page?
|
---|
| 641 | // display the home page - the default page
|
---|
[24753] | 642 | xml_request.setAttribute(GSXML.ACTION_ATT, "p");
|
---|
| 643 | xml_request.setAttribute(GSXML.SUBACTION_ATT, PageAction.HOME_PAGE);
|
---|
[24019] | 644 | }
|
---|
[24753] | 645 | else
|
---|
| 646 | {
|
---|
| 647 | xml_request.setAttribute(GSXML.ACTION_ATT, action);
|
---|
| 648 | if (subaction != null)
|
---|
| 649 | {
|
---|
| 650 | xml_request.setAttribute(GSXML.SUBACTION_ATT, subaction);
|
---|
[24019] | 651 | }
|
---|
[24753] | 652 |
|
---|
[24019] | 653 | // create the param list for the greenstone request - includes
|
---|
| 654 | // the params from the current request and any others from the saved session
|
---|
[24753] | 655 | Element xml_param_list = this.doc.createElement(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 656 | xml_request.appendChild(xml_param_list);
|
---|
| 657 |
|
---|
[25257] | 658 | for (String name : queryMap.keySet())
|
---|
[24753] | 659 | {
|
---|
| 660 | if (!name.equals(GSParams.ACTION) && !name.equals(GSParams.SUBACTION) && !name.equals(GSParams.LANGUAGE) && !name.equals(GSParams.OUTPUT))
|
---|
| 661 | {// we have already dealt with these
|
---|
| 662 |
|
---|
| 663 | String value = "";
|
---|
[27617] | 664 | String[] values = queryMap.get(name);
|
---|
[24019] | 665 | value = values[0];
|
---|
[24753] | 666 | if (values.length > 1)
|
---|
| 667 | {
|
---|
| 668 | for (int i = 1; i < values.length; i++)
|
---|
| 669 | {
|
---|
| 670 | value += "," + values[i];
|
---|
[24019] | 671 | }
|
---|
| 672 | }
|
---|
| 673 | // either add it to the param list straight away, or save it to the session and add it later
|
---|
[24753] | 674 | if (this.params.shouldSave(name) && table != null)
|
---|
| 675 | {
|
---|
[24019] | 676 | table.put(name, value);
|
---|
| 677 | }
|
---|
[24753] | 678 | else
|
---|
| 679 | {
|
---|
| 680 | Element param = this.doc.createElement(GSXML.PARAM_ELEM);
|
---|
| 681 | param.setAttribute(GSXML.NAME_ATT, name);
|
---|
| 682 | param.setAttribute(GSXML.VALUE_ATT, GSXML.xmlSafe(value));
|
---|
| 683 | xml_param_list.appendChild(param);
|
---|
| 684 | }
|
---|
[24019] | 685 | }
|
---|
| 686 | }
|
---|
| 687 | //put everything in the table into the session
|
---|
| 688 | // do we need to do this? why not just put from table into param list
|
---|
[24753] | 689 | if (table != null)
|
---|
| 690 | {
|
---|
[25635] | 691 | Enumeration<String> keys = table.keys();
|
---|
[24753] | 692 | while (keys.hasMoreElements())
|
---|
| 693 | {
|
---|
[25635] | 694 | String name = keys.nextElement();
|
---|
| 695 | session.setAttribute(name, table.get(name));
|
---|
[24019] | 696 | }
|
---|
| 697 | }
|
---|
[24753] | 698 |
|
---|
[24019] | 699 | // put in all the params from the session cache
|
---|
[25257] | 700 | Enumeration params = session.getAttributeNames();
|
---|
[24753] | 701 | while (params.hasMoreElements())
|
---|
| 702 | {
|
---|
| 703 | String name = (String) params.nextElement();
|
---|
[18223] | 704 |
|
---|
[24753] | 705 | if (!name.equals(GSXML.USER_SESSION_CACHE_ATT) && !name.equals(GSParams.LANGUAGE) && !name.equals(GSXML.USER_ID_ATT))
|
---|
| 706 | {
|
---|
| 707 |
|
---|
[24019] | 708 | // lang and uid are stored but we dont want it in the param list cos its already in the request
|
---|
[24753] | 709 | Element param = this.doc.createElement(GSXML.PARAM_ELEM);
|
---|
| 710 | param.setAttribute(GSXML.NAME_ATT, name);
|
---|
| 711 | String value = GSXML.xmlSafe((String) session.getAttribute(name));
|
---|
[18223] | 712 |
|
---|
[24019] | 713 | // ugly hack to undo : escaping
|
---|
| 714 | value = StringUtils.replace(value, "%3A", "\\:");
|
---|
[24753] | 715 | param.setAttribute(GSXML.VALUE_ATT, value);
|
---|
| 716 | xml_param_list.appendChild(param);
|
---|
[24019] | 717 | }
|
---|
| 718 | }
|
---|
| 719 | }
|
---|
[24753] | 720 |
|
---|
[27073] | 721 | if (output.equals("json"))
|
---|
| 722 | {
|
---|
| 723 | response.setContentType("application/json");
|
---|
[26507] | 724 | }
|
---|
| 725 | else if (!output.equals("html") && !output.equals("server") && !output.equals("xsltclient"))
|
---|
[24753] | 726 | {
|
---|
| 727 | response.setContentType("text/xml"); // for now use text
|
---|
[24019] | 728 | }
|
---|
[24753] | 729 |
|
---|
[24019] | 730 | //Add custom HTTP headers if requested
|
---|
[27617] | 731 | String httpHeadersParam = getFirstParam(GSParams.HTTP_HEADER_FIELDS, queryMap);
|
---|
[24118] | 732 | if (httpHeadersParam != null && httpHeadersParam.length() > 0)
|
---|
| 733 | {
|
---|
| 734 | Gson gson = new Gson();
|
---|
[24753] | 735 | Type type = new TypeToken<List<Map<String, String>>>()
|
---|
| 736 | {
|
---|
| 737 | }.getType();
|
---|
| 738 | List<Map<String, String>> httpHeaders = gson.fromJson(httpHeadersParam, type);
|
---|
| 739 | if (httpHeaders != null && httpHeaders.size() > 0)
|
---|
| 740 | {
|
---|
| 741 |
|
---|
| 742 | for (int j = 0; j < httpHeaders.size(); j++)
|
---|
[24019] | 743 | {
|
---|
[25635] | 744 | Map nameValueMap = httpHeaders.get(j);
|
---|
[24753] | 745 | String name = (String) nameValueMap.get("name");
|
---|
| 746 | String value = (String) nameValueMap.get("value");
|
---|
| 747 |
|
---|
| 748 | if (name != null && value != null)
|
---|
[24118] | 749 | {
|
---|
| 750 | response.setHeader(name, value);
|
---|
| 751 | }
|
---|
[24019] | 752 | }
|
---|
| 753 | }
|
---|
| 754 | }
|
---|
[25310] | 755 |
|
---|
[25257] | 756 | String requestedURL = request.getRequestURL().toString();
|
---|
[25351] | 757 | String baseURL = "";
|
---|
| 758 | if (requestedURL.indexOf(this.getServletName()) != -1)
|
---|
| 759 | {
|
---|
| 760 | baseURL = requestedURL.substring(0, requestedURL.indexOf(this.getServletName()));
|
---|
| 761 | xml_request.setAttribute("baseURL", baseURL);
|
---|
| 762 | }
|
---|
| 763 |
|
---|
| 764 | String fullURL;
|
---|
| 765 | if (request.getQueryString() != null)
|
---|
| 766 | {
|
---|
| 767 | fullURL = requestedURL + "?" + request.getQueryString();
|
---|
| 768 | }
|
---|
| 769 | else
|
---|
| 770 | {
|
---|
| 771 | fullURL = requestedURL;
|
---|
| 772 | }
|
---|
| 773 |
|
---|
[25257] | 774 | xml_request.setAttribute("remoteAddress", request.getRemoteAddr());
|
---|
[25351] | 775 | xml_request.setAttribute("fullURL", fullURL.replace("&", "&"));
|
---|
[25310] | 776 |
|
---|
[27617] | 777 | if (!runSecurityChecks(request, xml_request, userContext, out, baseURL, collection, document, queryMap))
|
---|
[25257] | 778 | {
|
---|
| 779 | return;
|
---|
| 780 | }
|
---|
[24753] | 781 |
|
---|
[25257] | 782 | Node xml_result = this.recept.process(xml_message);
|
---|
| 783 | encodeURLs(xml_result, response);
|
---|
| 784 |
|
---|
[26507] | 785 | String xml_string = this.converter.getPrettyString(xml_result);
|
---|
| 786 |
|
---|
[27073] | 787 | if (output.equals("json"))
|
---|
| 788 | {
|
---|
| 789 | try
|
---|
| 790 | {
|
---|
| 791 | JSONObject json_obj = org.json.XML.toJSONObject(xml_string);
|
---|
| 792 |
|
---|
| 793 | out.println(json_obj.toString());
|
---|
| 794 | }
|
---|
| 795 | catch (Exception e)
|
---|
| 796 | {
|
---|
| 797 | e.printStackTrace();
|
---|
| 798 | out.println("Error: failed to convert output XML to JSON format");
|
---|
| 799 | }
|
---|
[26507] | 800 | }
|
---|
[27073] | 801 | else
|
---|
| 802 | {
|
---|
| 803 | out.println(xml_string);
|
---|
[26507] | 804 | }
|
---|
| 805 |
|
---|
[25257] | 806 | displaySize(session_ids_table);
|
---|
[27617] | 807 | }
|
---|
[25257] | 808 |
|
---|
[27617] | 809 | public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
|
---|
| 810 | {
|
---|
| 811 | doGetOrPost(request, response, request.getParameterMap());
|
---|
[25257] | 812 | } //end of doGet(HttpServletRequest, HttpServletResponse)
|
---|
| 813 |
|
---|
[27617] | 814 | private boolean runSecurityChecks(HttpServletRequest request, Element xml_request, UserContext userContext, PrintWriter out, String baseURL, String collection, String document, Map<String, String[]> queryMap) throws ServletException
|
---|
[25257] | 815 | {
|
---|
[25092] | 816 | //Check if we need to login or logout
|
---|
[27617] | 817 | String username = getFirstParam("username", queryMap);
|
---|
| 818 | String password = getFirstParam("password", queryMap);
|
---|
| 819 | String logout = getFirstParam("logout", queryMap);
|
---|
[25092] | 820 |
|
---|
| 821 | if (logout != null)
|
---|
| 822 | {
|
---|
| 823 | request.logout();
|
---|
| 824 | }
|
---|
| 825 |
|
---|
| 826 | if (username != null && password != null)
|
---|
| 827 | {
|
---|
[25310] | 828 | //We are changing to another user, so log out first
|
---|
[25092] | 829 | if (request.getAuthType() != null)
|
---|
| 830 | {
|
---|
| 831 | request.logout();
|
---|
| 832 | }
|
---|
[25257] | 833 |
|
---|
[27617] | 834 | //This try/catch block catches when the login request fails (e.g. The user enters an incorrect password).
|
---|
[25129] | 835 | try
|
---|
| 836 | {
|
---|
[27617] | 837 | //Try a global login first
|
---|
| 838 | password = Authentication.hashPassword(password);
|
---|
| 839 | request.login(username, password);
|
---|
[25129] | 840 | }
|
---|
[25257] | 841 | catch (Exception ex)
|
---|
[25129] | 842 | {
|
---|
[27617] | 843 | try
|
---|
| 844 | {
|
---|
| 845 | //If the global login fails then try a site-level login
|
---|
| 846 | String siteName = (String) this.recept.getConfigParams().get(GSConstants.SITE_NAME);
|
---|
| 847 | request.login(siteName + "-" + username, password);
|
---|
| 848 | }
|
---|
| 849 | catch (Exception exc)
|
---|
| 850 | {
|
---|
| 851 | //The user entered in either the wrong username or the wrong password
|
---|
| 852 | Element loginPageMessage = this.doc.createElement(GSXML.MESSAGE_ELEM);
|
---|
| 853 | Element loginPageRequest = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_PAGE, "", userContext);
|
---|
| 854 | loginPageRequest.setAttribute(GSXML.ACTION_ATT, "p");
|
---|
| 855 | loginPageRequest.setAttribute(GSXML.SUBACTION_ATT, "login");
|
---|
| 856 | loginPageRequest.setAttribute(GSXML.OUTPUT_ATT, "html");
|
---|
| 857 | loginPageRequest.setAttribute(GSXML.BASE_URL, baseURL);
|
---|
| 858 | loginPageMessage.appendChild(loginPageRequest);
|
---|
[25129] | 859 |
|
---|
[27617] | 860 | Element paramList = this.doc.createElement(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 861 | loginPageRequest.appendChild(paramList);
|
---|
[25129] | 862 |
|
---|
[27617] | 863 | Element messageParam = this.doc.createElement(GSXML.PARAM_ELEM);
|
---|
| 864 | messageParam.setAttribute(GSXML.NAME_ATT, "loginMessage");
|
---|
| 865 | messageParam.setAttribute(GSXML.VALUE_ATT, "Either your username or password was incorrect, please try again.");
|
---|
| 866 | paramList.appendChild(messageParam);
|
---|
[25129] | 867 |
|
---|
[27617] | 868 | Element urlParam = this.doc.createElement(GSXML.PARAM_ELEM);
|
---|
| 869 | urlParam.setAttribute(GSXML.NAME_ATT, "redirectURL");
|
---|
| 870 | String queryString = "";
|
---|
| 871 | if (request.getQueryString() != null)
|
---|
| 872 | {
|
---|
| 873 | queryString = "?" + request.getQueryString().replace("&", "&");
|
---|
| 874 | }
|
---|
| 875 | urlParam.setAttribute(GSXML.VALUE_ATT, this.getServletName() + queryString);
|
---|
| 876 | paramList.appendChild(urlParam);
|
---|
[25129] | 877 |
|
---|
[27617] | 878 | Node loginPageResponse = this.recept.process(loginPageMessage);
|
---|
| 879 | out.println(this.converter.getPrettyString(loginPageResponse));
|
---|
[25129] | 880 |
|
---|
[27617] | 881 | return false;
|
---|
| 882 | }
|
---|
[25129] | 883 | }
|
---|
[25092] | 884 | }
|
---|
[25128] | 885 |
|
---|
[25129] | 886 | //If a user is logged in
|
---|
[25128] | 887 | if (request.getAuthType() != null)
|
---|
[25092] | 888 | {
|
---|
[25257] | 889 | Element userInformation = this.doc.createElement(GSXML.USER_INFORMATION_ELEM);
|
---|
[27617] | 890 | userInformation.setAttribute(GSXML.USERNAME_ATT, request.getUserPrincipal().getName());
|
---|
[25128] | 891 |
|
---|
| 892 | Element userInfoMessage = this.doc.createElement(GSXML.MESSAGE_ELEM);
|
---|
| 893 | Element userInfoRequest = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_SECURITY, "GetUserInformation", userContext);
|
---|
| 894 | userInfoMessage.appendChild(userInfoRequest);
|
---|
| 895 |
|
---|
| 896 | Element paramList = this.doc.createElement(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 897 | userInfoRequest.appendChild(paramList);
|
---|
| 898 |
|
---|
| 899 | Element param = this.doc.createElement(GSXML.PARAM_ELEM);
|
---|
[25257] | 900 | param.setAttribute(GSXML.NAME_ATT, GSXML.USERNAME_ATT);
|
---|
[25128] | 901 | param.setAttribute(GSXML.VALUE_ATT, request.getUserPrincipal().getName());
|
---|
| 902 | paramList.appendChild(param);
|
---|
| 903 |
|
---|
| 904 | Element userInformationResponse = (Element) GSXML.getChildByTagName(this.recept.process(userInfoMessage), GSXML.RESPONSE_ELEM);
|
---|
| 905 | Element responseParamList = (Element) GSXML.getChildByTagName(userInformationResponse, GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 906 | if (responseParamList == null)
|
---|
| 907 | {
|
---|
| 908 | logger.error("Can't get the groups for user " + request.getUserPrincipal().getName());
|
---|
| 909 | }
|
---|
[25257] | 910 | else
|
---|
| 911 | {
|
---|
[25635] | 912 | HashMap<String, Serializable> responseParams = GSXML.extractParams(responseParamList, true);
|
---|
[25257] | 913 | String groups = (String) responseParams.get(GSXML.GROUPS_ATT);
|
---|
[25128] | 914 |
|
---|
[25257] | 915 | userInformation.setAttribute(GSXML.GROUPS_ATT, groups);
|
---|
| 916 | xml_request.appendChild(userInformation);
|
---|
| 917 | }
|
---|
[25092] | 918 | }
|
---|
| 919 |
|
---|
| 920 | //If we are in a collection-related page then make sure this user is allowed to access it
|
---|
| 921 | if (collection != null && !collection.equals(""))
|
---|
| 922 | {
|
---|
| 923 | //Get the security info for this collection
|
---|
| 924 | Element securityMessage = this.doc.createElement(GSXML.MESSAGE_ELEM);
|
---|
| 925 | Element securityRequest = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_SECURITY, collection, userContext);
|
---|
| 926 | securityMessage.appendChild(securityRequest);
|
---|
| 927 | if (document != null && !document.equals(""))
|
---|
| 928 | {
|
---|
[25257] | 929 | securityRequest.setAttribute(GSXML.NODE_OID, document);
|
---|
[25092] | 930 | }
|
---|
| 931 |
|
---|
| 932 | Element securityResponse = (Element) GSXML.getChildByTagName(this.recept.process(securityMessage), GSXML.RESPONSE_ELEM);
|
---|
[26210] | 933 | if (securityResponse == null)
|
---|
| 934 | {
|
---|
| 935 | return false;
|
---|
| 936 | }
|
---|
| 937 |
|
---|
[25092] | 938 | ArrayList<String> groups = GSXML.getGroupsFromSecurityResponse(securityResponse);
|
---|
| 939 |
|
---|
| 940 | //If guests are not allowed to access this page then check to see if the user is in a group that is allowed to access the page
|
---|
| 941 | if (!groups.contains(""))
|
---|
| 942 | {
|
---|
| 943 | boolean found = false;
|
---|
| 944 | for (String group : groups)
|
---|
| 945 | {
|
---|
| 946 | if (request.isUserInRole(group))
|
---|
| 947 | {
|
---|
| 948 | found = true;
|
---|
| 949 | break;
|
---|
| 950 | }
|
---|
| 951 | }
|
---|
| 952 |
|
---|
| 953 | //The current user is not allowed to access the page so produce a login page
|
---|
| 954 | if (!found)
|
---|
| 955 | {
|
---|
| 956 | Element loginPageMessage = this.doc.createElement(GSXML.MESSAGE_ELEM);
|
---|
| 957 | Element loginPageRequest = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_PAGE, "", userContext);
|
---|
| 958 | loginPageRequest.setAttribute(GSXML.ACTION_ATT, "p");
|
---|
| 959 | loginPageRequest.setAttribute(GSXML.SUBACTION_ATT, "login");
|
---|
| 960 | loginPageRequest.setAttribute(GSXML.OUTPUT_ATT, "html");
|
---|
[25257] | 961 | loginPageRequest.setAttribute(GSXML.BASE_URL, baseURL);
|
---|
[25092] | 962 | loginPageMessage.appendChild(loginPageRequest);
|
---|
| 963 |
|
---|
| 964 | Element paramList = this.doc.createElement(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 965 | loginPageRequest.appendChild(paramList);
|
---|
[25128] | 966 |
|
---|
[25092] | 967 | Element messageParam = this.doc.createElement(GSXML.PARAM_ELEM);
|
---|
| 968 | messageParam.setAttribute(GSXML.NAME_ATT, "loginMessage");
|
---|
[25128] | 969 | if (request.getAuthType() == null)
|
---|
[25092] | 970 | {
|
---|
| 971 | messageParam.setAttribute(GSXML.VALUE_ATT, "Please log in to view this page");
|
---|
| 972 | }
|
---|
| 973 | else
|
---|
| 974 | {
|
---|
[25128] | 975 | messageParam.setAttribute(GSXML.VALUE_ATT, "You are not in the correct group to view this page, would you like to log in as a different user?");
|
---|
[25092] | 976 | }
|
---|
| 977 | paramList.appendChild(messageParam);
|
---|
[25128] | 978 |
|
---|
[25092] | 979 | Element urlParam = this.doc.createElement(GSXML.PARAM_ELEM);
|
---|
| 980 | urlParam.setAttribute(GSXML.NAME_ATT, "redirectURL");
|
---|
[25351] | 981 | if (request.getQueryString() != null && request.getQueryString().length() > 0)
|
---|
| 982 | {
|
---|
[25425] | 983 | urlParam.setAttribute(GSXML.VALUE_ATT, request.getRequestURL() + "?" + request.getQueryString().replace("&", "&"));
|
---|
[25351] | 984 | }
|
---|
| 985 | else
|
---|
| 986 | {
|
---|
[25425] | 987 | urlParam.setAttribute(GSXML.VALUE_ATT, request.getRequestURL().toString());
|
---|
[25351] | 988 | }
|
---|
[25092] | 989 | paramList.appendChild(urlParam);
|
---|
| 990 |
|
---|
| 991 | Node loginPageResponse = this.recept.process(loginPageMessage);
|
---|
| 992 | out.println(this.converter.getPrettyString(loginPageResponse));
|
---|
| 993 |
|
---|
[25257] | 994 | return false;
|
---|
[25092] | 995 | }
|
---|
| 996 | }
|
---|
| 997 | }
|
---|
[25257] | 998 | return true;
|
---|
| 999 | }
|
---|
[25310] | 1000 |
|
---|
[24019] | 1001 | //a debugging method
|
---|
[25635] | 1002 | private void displaySize(Hashtable<String, UserSessionCache> table)
|
---|
[24753] | 1003 | {
|
---|
| 1004 | if (table == null)
|
---|
| 1005 | {
|
---|
[24019] | 1006 | logger.info("cached table is null");
|
---|
| 1007 | return;
|
---|
| 1008 | }
|
---|
[24753] | 1009 | if (table.size() == 0)
|
---|
| 1010 | {
|
---|
[24019] | 1011 | logger.info("cached table size is zero");
|
---|
| 1012 | return;
|
---|
| 1013 | }
|
---|
| 1014 | int num_cached_coll = 0;
|
---|
[25635] | 1015 | ArrayList<UserSessionCache> cache_list = new ArrayList<UserSessionCache>(table.values());
|
---|
[24753] | 1016 | for (int i = 0; i < cache_list.size(); i++)
|
---|
| 1017 | {
|
---|
[25635] | 1018 | num_cached_coll += cache_list.get(i).tableSize();
|
---|
[24019] | 1019 | }
|
---|
| 1020 | logger.info("Number of sessions : total number of cached collection info = " + table.size() + " : " + num_cached_coll);
|
---|
| 1021 | }
|
---|
[18223] | 1022 |
|
---|
[24019] | 1023 | /** merely a debugging method! */
|
---|
[25635] | 1024 | private String tableToString(Hashtable<String, Hashtable<String, String>> table)
|
---|
[24753] | 1025 | {
|
---|
[24019] | 1026 | String str = "";
|
---|
[25635] | 1027 | Enumeration<String> keys = table.keys();
|
---|
[24753] | 1028 | while (keys.hasMoreElements())
|
---|
| 1029 | {
|
---|
[25635] | 1030 | String name = keys.nextElement();
|
---|
[24019] | 1031 | str += name + ", ";
|
---|
| 1032 | }
|
---|
| 1033 | return str;
|
---|
| 1034 | }
|
---|
[6301] | 1035 |
|
---|
[24753] | 1036 | /**
|
---|
| 1037 | * this goes through each URL and adds in a session id if needed-- its
|
---|
| 1038 | * needed if the browser doesn't accept cookies also escapes things if
|
---|
| 1039 | * needed
|
---|
| 1040 | */
|
---|
| 1041 | protected void encodeURLs(Node dataNode, HttpServletResponse response)
|
---|
| 1042 | {
|
---|
| 1043 | if (dataNode == null)
|
---|
| 1044 | {
|
---|
[24019] | 1045 | return;
|
---|
| 1046 | }
|
---|
[16515] | 1047 |
|
---|
[24753] | 1048 | Element data = null;
|
---|
[16515] | 1049 |
|
---|
[24019] | 1050 | short nodeType = dataNode.getNodeType();
|
---|
[24753] | 1051 | if (nodeType == Node.DOCUMENT_NODE)
|
---|
| 1052 | {
|
---|
| 1053 | Document docNode = (Document) dataNode;
|
---|
| 1054 | data = docNode.getDocumentElement();
|
---|
[24019] | 1055 | }
|
---|
[24753] | 1056 | else
|
---|
| 1057 | {
|
---|
| 1058 | data = (Element) dataNode;
|
---|
[24019] | 1059 | }
|
---|
[16515] | 1060 |
|
---|
[24753] | 1061 | if (data != null)
|
---|
| 1062 | {
|
---|
[19984] | 1063 |
|
---|
[24019] | 1064 | // get all the <a> elements
|
---|
| 1065 | NodeList hrefs = data.getElementsByTagName("a");
|
---|
| 1066 | // Instead of calculating each iteration...
|
---|
| 1067 | int hrefscount = hrefs.getLength();
|
---|
[23790] | 1068 |
|
---|
[24753] | 1069 | for (int i = 0; hrefs != null && i < hrefscount; i++)
|
---|
| 1070 | {
|
---|
| 1071 | Element a = (Element) hrefs.item(i);
|
---|
[24019] | 1072 | // ugly hack to get rid of : in the args - interferes with session handling
|
---|
| 1073 | String href = a.getAttribute("href");
|
---|
[24753] | 1074 | if (!href.equals(""))
|
---|
| 1075 | {
|
---|
| 1076 | if (href.indexOf("?") != -1)
|
---|
| 1077 | {
|
---|
[24019] | 1078 | String[] parts = StringUtils.split(href, "\\?", -1);
|
---|
| 1079 | if (parts.length == 1)
|
---|
| 1080 | {
|
---|
| 1081 | parts[0] = StringUtils.replace(parts[0], ":", "%3A");
|
---|
[24753] | 1082 | href = "?" + parts[0];
|
---|
[24019] | 1083 | }
|
---|
| 1084 | else
|
---|
| 1085 | {
|
---|
| 1086 | parts[1] = StringUtils.replace(parts[1], ":", "%3A");
|
---|
[24753] | 1087 | href = parts[0] + "?" + parts[1];
|
---|
[24019] | 1088 | }
|
---|
[24753] | 1089 |
|
---|
[24019] | 1090 | }
|
---|
| 1091 | a.setAttribute("href", response.encodeURL(href));
|
---|
| 1092 | }
|
---|
| 1093 | }
|
---|
[24753] | 1094 |
|
---|
[24019] | 1095 | // now find any submit bits - get all the <form> elements
|
---|
| 1096 | NodeList forms = data.getElementsByTagName("form");
|
---|
| 1097 | int formscount = forms.getLength();
|
---|
[24753] | 1098 | for (int i = 0; forms != null && i < formscount; i++)
|
---|
| 1099 | {
|
---|
| 1100 | Element form = (Element) forms.item(i);
|
---|
[24019] | 1101 | form.setAttribute("action", response.encodeURL(form.getAttribute("action")));
|
---|
| 1102 | }
|
---|
| 1103 | // are these the only cases where URLs occur??
|
---|
| 1104 | // we should only do this for greenstone urls?
|
---|
[19984] | 1105 | }
|
---|
[24753] | 1106 |
|
---|
[19984] | 1107 | }
|
---|
[18223] | 1108 |
|
---|
[27617] | 1109 | protected String getFirstParam(String name, Map<String, String[]> map)
|
---|
| 1110 | {
|
---|
| 1111 | String[] val = map.get(name);
|
---|
| 1112 | if (val == null || val.length == 0)
|
---|
| 1113 | {
|
---|
| 1114 | return null;
|
---|
| 1115 | }
|
---|
| 1116 |
|
---|
| 1117 | return val[0];
|
---|
| 1118 | }
|
---|
| 1119 |
|
---|
[24753] | 1120 | synchronized protected int getNextUserId()
|
---|
| 1121 | {
|
---|
[24019] | 1122 | next_user_id++;
|
---|
| 1123 | return next_user_id;
|
---|
| 1124 | }
|
---|
[18223] | 1125 |
|
---|
[24753] | 1126 | public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
|
---|
| 1127 | {
|
---|
[27617] | 1128 | //Check if we need to process a file upload
|
---|
| 1129 | if (ServletFileUpload.isMultipartContent(request))
|
---|
| 1130 | {
|
---|
| 1131 | DiskFileItemFactory fileItemFactory = new DiskFileItemFactory();
|
---|
| 1132 |
|
---|
| 1133 | int sizeLimit = System.getProperties().containsKey("servlet.upload.filesize.limit") ? Integer.parseInt(System.getProperty("servlet.upload.filesize.limit")) : 100 * 1024 * 1024;
|
---|
| 1134 |
|
---|
| 1135 | File tempDir = new File(GlobalProperties.getGSDL3Home() + File.separator + "tmp");
|
---|
| 1136 | if (!tempDir.exists())
|
---|
| 1137 | {
|
---|
| 1138 | tempDir.mkdirs();
|
---|
| 1139 | }
|
---|
| 1140 |
|
---|
| 1141 | //We want all files to be stored on disk (hence the 0)
|
---|
| 1142 | fileItemFactory.setSizeThreshold(0);
|
---|
| 1143 | fileItemFactory.setRepository(tempDir);
|
---|
| 1144 |
|
---|
| 1145 | ServletFileUpload uploadHandler = new ServletFileUpload(fileItemFactory);
|
---|
| 1146 | uploadHandler.setFileSizeMax(sizeLimit);
|
---|
| 1147 |
|
---|
| 1148 | HashMap<String, String[]> queryMap = new HashMap<String, String[]>();
|
---|
| 1149 | try
|
---|
| 1150 | {
|
---|
| 1151 | List items = uploadHandler.parseRequest(request);
|
---|
| 1152 | Iterator iter = items.iterator();
|
---|
| 1153 | while (iter.hasNext())
|
---|
| 1154 | {
|
---|
| 1155 | FileItem current = (FileItem) iter.next();
|
---|
| 1156 | if (current.isFormField())
|
---|
| 1157 | {
|
---|
| 1158 | queryMap.put(current.getFieldName(), new String[] { current.getString() });
|
---|
| 1159 | }
|
---|
| 1160 | else if (current.getName() != null && !current.getName().equals(""))
|
---|
| 1161 | {
|
---|
| 1162 | File file = new File(tempDir, current.getName());
|
---|
| 1163 | current.write(file);
|
---|
[27719] | 1164 |
|
---|
| 1165 | queryMap.put("md___ex.Filesize", new String[] { "" + file.length() });
|
---|
| 1166 | queryMap.put("md___ex.Filename", new String[] { "" + current.getName() });
|
---|
[27617] | 1167 | }
|
---|
| 1168 | }
|
---|
| 1169 | }
|
---|
| 1170 | catch (Exception e)
|
---|
| 1171 | {
|
---|
| 1172 | e.printStackTrace();
|
---|
| 1173 | }
|
---|
| 1174 |
|
---|
| 1175 | doGetOrPost(request, response, queryMap);
|
---|
| 1176 | }
|
---|
| 1177 | else
|
---|
| 1178 | {
|
---|
| 1179 | doGetOrPost(request, response, request.getParameterMap());
|
---|
| 1180 | }
|
---|
[24019] | 1181 | }
|
---|
[3309] | 1182 | }
|
---|