/*
* FragmentsModel.java
*
* Created on 04 April 2005, 10:30
*/
package org.owasp.webscarab.plugin.fragments;
import EDU.oswego.cs.dl.util.concurrent.Sync;
import org.owasp.webscarab.model.FrameworkModel;
import org.owasp.webscarab.model.ConversationModel;
import org.owasp.webscarab.model.AbstractConversationModel;
import org.owasp.webscarab.model.HttpUrl;
import org.owasp.webscarab.model.ConversationID;
import org.owasp.webscarab.model.StoreException;
import org.owasp.webscarab.plugin.AbstractPluginModel;
import org.owasp.webscarab.util.Encoding;
import java.util.List;
import java.util.ArrayList;
import java.util.Collections;
import java.util.logging.Logger;
import javax.swing.event.EventListenerList;
/**
*
* @author rogan
*/
public class FragmentsModel extends AbstractPluginModel {
private FragmentsStore _store = null;
private FrameworkModel _model = null;
private FragmentConversationModel _fcm = null;
public static String KEY_SCRIPTS = "SCRIPTS";
public static String KEY_COMMENTS = "COMMENTS";
public static String KEY_FILEUPLOAD = "FILEUPLOAD";
public static String KEY_FORMS = "FORMS";
public static String KEY_HIDDENFIELD = "HIDDENFIELD";
public static String KEY_DOMXSS = "DOMXSS";
private Logger _logger = Logger.getLogger(getClass().getName());
private EventListenerList _listenerList = new EventListenerList();
/** Creates a new instance of FragmentsModel */
public FragmentsModel(FrameworkModel model) {
_model = model;
_fcm = new FragmentConversationModel(model);
}
public void addFragment(HttpUrl url, ConversationID id, String type, String fragment) {
try {
_rwl.writeLock().acquire();
String key = Encoding.hashMD5(fragment);
int position = _store.putFragment(type, key, fragment);
_rwl.readLock().acquire();
_rwl.writeLock().release();
_model.addConversationProperty(id, type, key);
_model.addUrlProperty(url, type, key);
fireFragmentAdded(url, id, type, key);
if (position>-1)
fireFragmentAdded(type, key, position);
_rwl.readLock().release();
} catch (InterruptedException ie) {
_logger.severe("Interrupted! " + ie);
}
setModified(true);
}
public String[] getUrlFragmentKeys(HttpUrl url, String type) {
if(KEY_COMMENTS.equals(type)||
KEY_DOMXSS.equals(type)||
KEY_FILEUPLOAD.equals(type)||
KEY_FORMS.equals(type)||
KEY_HIDDENFIELD.equals(type) ||
KEY_SCRIPTS.equals(type))
{
return _model.getUrlProperties(url, type);
} else {
return new String[0];
}
}
public String[] getConversationFragmentKeys(ConversationID id, String type) {
if(KEY_COMMENTS.equals(type)||
KEY_DOMXSS.equals(type)||
KEY_FILEUPLOAD.equals(type)||
KEY_FORMS.equals(type)||
KEY_HIDDENFIELD.equals(type) ||
KEY_SCRIPTS.equals(type))
{
return _model.getConversationProperties(id, type);
} else {
return new String[0];
}
}
public int getFragmentTypeCount() {
if (_store == null) return 0;
return _store.getFragmentTypeCount();
}
public String getFragmentType(int index) {
return _store.getFragmentType(index);
}
public int getFragmentCount(String type) {
return _store.getFragmentCount(type);
}
public String getFragmentKeyAt(String type, int position) {
return _store.getFragmentKeyAt(type, position);
}
public int indexOfFragment(String type, String key) {
return _store.indexOfFragment(type, key);
}
public String getFragment(String key) {
return _store.getFragment(key);
}
public void addModelListener(FragmentListener listener) {
_listenerList.add(FragmentListener.class, listener);
}
public void removeModelListener(FragmentListener listener) {
_listenerList.remove(FragmentListener.class, listener);
}
public ConversationModel getConversationModel() {
return _fcm;
}
public void setSelectedFragment(String type, String key) {
try {
_rwl.writeLock().acquire();
_rwl.readLock().acquire();
_rwl.writeLock().release();
_rwl.readLock().release();
} catch (InterruptedException ie) {
_logger.severe("Interrupted! " + ie);
}
_fcm.setSelectedFragment(type, key);
}
public void setStore(FragmentsStore store) {
_store = store;
fireFragmentsChanged();
setModified(false);
}
public void flush() throws StoreException {
if (_store != null && isModified()) {
_store.flush();
setModified(false);
}
}
private void fireFragmentsChanged() {
// Guaranteed to return a non-null array
Object[] listeners = _listenerList.getListenerList();
// Process the listeners last to first, notifying
// those that are interested in this event
for (int i = listeners.length-2; i>=0; i-=2) {
if (listeners[i]==FragmentListener.class) {
try {
((FragmentListener)listeners[i+1]).fragmentsChanged();
} catch (Exception e) {
_logger.severe("Unhandled exception: " + e);
}
}
}
}
private void fireFragmentAdded(String type, String key, int position) {
// Guaranteed to return a non-null array
Object[] listeners = _listenerList.getListenerList();
// Process the listeners last to first, notifying
// those that are interested in this event
for (int i = listeners.length-2; i>=0; i-=2) {
if (listeners[i]==FragmentListener.class) {
try {
((FragmentListener)listeners[i+1]).fragmentAdded(type, key, position);
} catch (Exception e) {
_logger.severe("Unhandled exception: " + e);
}
}
}
}
private void fireFragmentAdded(HttpUrl url, ConversationID id, String type, String key) {
// Guaranteed to return a non-null array
Object[] listeners = _listenerList.getListenerList();
// Process the listeners last to first, notifying
// those that are interested in this event
for (int i = listeners.length-2; i>=0; i-=2) {
if (listeners[i]==FragmentListener.class) {
try {
((FragmentListener)listeners[i+1]).fragmentAdded(url, id, type, key);
} catch (Exception e) {
_logger.severe("Unhandled : " + e);
}
}
}
}
private class FragmentConversationModel extends AbstractConversationModel implements FragmentListener {
private String _type = null;
private String _key = null;
private List _conversationList = new ArrayList();
public FragmentConversationModel(FrameworkModel model) {
super(model);
}
public void setSelectedFragment(String type, String key) {
try {
_rwl.writeLock().acquire();
_type = type;
_key = key;
_conversationList.clear();
if (_type != null && _key != null) {
ConversationModel cmodel = _model.getConversationModel();
int count = cmodel.getConversationCount();
for (int i=0; i<count; i++) {
ConversationID id = cmodel.getConversationAt(i);
String[] fragments = getConversationFragmentKeys(id, _type);
if (fragments != null) {
for (int j=0; j<fragments.length; j++) {
if (fragments[j].equals(_key)) {
_conversationList.add(id);
break;
}
}
}
}
}
_rwl.readLock().acquire();
_rwl.writeLock().release();
fireConversationsChanged();
_rwl.readLock().release();
} catch (InterruptedException ie) {
_logger.severe("Interrupted! " + ie);
}
}
public ConversationID getConversationAt(int index) {
return (ConversationID) _conversationList.get(index);
}
public int getConversationCount() {
return _conversationList.size();
}
public int getIndexOfConversation(ConversationID id) {
return Collections.binarySearch(_conversationList, id);
}
public Sync readLock() {
return _rwl.readLock();
}
public void fragmentAdded(String type, String key, int position) {}
public void fragmentAdded(HttpUrl url, ConversationID id, String type, String key) {
if (_type != null && _key != null) {
if (_type.equals(type) && _key.equals(key)) {
int index = getIndexOfConversation(id);
if (index < 0) {
try {
_rwl.writeLock().acquire();
_conversationList.add(-index-1, id);
_rwl.readLock().acquire();
_rwl.writeLock().release();
fireConversationAdded(id, -index-1);
_rwl.readLock().release();
} catch (InterruptedException ie) {
_logger.severe("Interrupted! " + ie);
}
}
}
}
}
public void fragmentsChanged() {
try {
_rwl.writeLock().acquire();
_key = null;
_type = null;
_conversationList.clear();
_rwl.readLock().acquire();
_rwl.writeLock().release();
fireConversationsChanged();
_rwl.readLock().release();
} catch (InterruptedException ie) {
_logger.severe("Interrupted! " + ie);
}
}
}
}