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n.hoffmann
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// $Id$
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/**
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* Copyright (C) 2007 EDIT
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b92f1605
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Andreas Kohlbecker
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* European Distributed Institute of Taxonomy
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329facb4
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n.hoffmann
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* http://www.e-taxonomy.eu
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b92f1605
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Andreas Kohlbecker
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*
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329facb4
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n.hoffmann
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.store;
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import java.util.Observable;
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f4ba1ef6
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Andreas Kohlbecker
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import java.util.Set;
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n.hoffmann
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f4ba1ef6
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Andreas Kohlbecker
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import org.apache.log4j.Logger;
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n.hoffmann
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.ui.IMemento;
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import org.springframework.security.authentication.BadCredentialsException;
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import org.springframework.security.authentication.LockedException;
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import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
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import org.springframework.security.core.Authentication;
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f4ba1ef6
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Andreas Kohlbecker
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import org.springframework.security.core.GrantedAuthority;
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import org.springframework.security.core.context.SecurityContextHolder;
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54108154
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Cherian Mathew
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import eu.etaxonomy.cdm.api.application.CdmApplicationState;
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import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
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import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
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f4ba1ef6
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Andreas Kohlbecker
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import eu.etaxonomy.cdm.model.common.Group;
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import eu.etaxonomy.cdm.model.common.User;
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import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
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Andreas Kohlbecker
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.IContextListener;
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Cherian Mathew
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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/**
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* <p>LoginManager class.</p>
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*
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* @author n.hoffmann
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* @created 03.07.2009
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* @version 1.0
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*/
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public class LoginManager extends Observable implements IConversationEnabled, IContextListener{
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b92f1605
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Andreas Kohlbecker
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Andreas Kohlbecker
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public static final Logger logger = Logger.getLogger(LoginManager.class);
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Andreas Kohlbecker
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private ConversationHolder conversation;
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Andreas Kohlbecker
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Cherian Mathew
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public static final String INCORRECT_CREDENTIALS_MESSAGE = "Login and/or Password incorrect";
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public static final String ACCOUNT_LOCKED_MESSAGE = "Account is locked";
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public static final String EMPTY_CREDENTIALS_MESSAGE = "Login and/or Password empty";
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public LoginManager(){
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CdmStore.getContextManager().addContextListener(this);
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}
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b92f1605
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Andreas Kohlbecker
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n.hoffmann
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/**
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* <p>authenticate</p>
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*
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* @param token a {@link org.springframework.security.authentication.UsernamePasswordAuthenticationToken} object.
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45716169
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Andreas Kohlbecker
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* @return true if the login attempt was successful even if the authentication has changed or not
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*/
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Andreas Kohlbecker
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public boolean authenticate(String username, String password){
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// close all open editors
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if(!AbstractUtility.closeAll()){
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return false;
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}
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try{
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doAuthenticate(username, password);
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} catch (CdmAuthenticationException e) {
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MessagingUtils.warningDialog("Could not authenticate", this, e.getMessage());
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return false;
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}
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return true;
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}
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public void doAuthenticate(String username, String password) throws CdmAuthenticationException {
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try {
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SecurityContextHolder.clearContext();
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Authentication lastAuthentication = CdmStore.getCurrentAuthentiation();
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UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password);
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Authentication authentication = CdmStore.getAuthenticationManager().authenticate(token);
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User user = (User) authentication.getPrincipal();
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/* circumventing problem with hibernate not refreshing the transient collection authorities in this case,
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* see http://dev.e-taxonomy.eu/trac/ticket/4053 */
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user.initAuthorities();
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if(logger.isDebugEnabled()){
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StringBuilder gaText = new StringBuilder();
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String indent = " ";
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Set<GrantedAuthority> gaSet = user.getGrantedAuthorities();
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_logGrantedAuthotities(gaText, indent, gaSet);
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for(Group gr : user.getGroups()){
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gaText.append(indent).append("gr[").append(gr.hashCode()).append("] \"").append(gr.getName()).append("\" ").append(gr.toString()).append("\n");
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_logGrantedAuthotities(gaText, indent + indent, gr.getGrantedAuthorities());
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}
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logger.debug("User authenticated: " + user.getUsername() + "\n" + gaText.toString());
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}
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authentication = new UsernamePasswordAuthenticationToken(user,password, authentication.getAuthorities());
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SecurityContextHolder.getContext().setAuthentication(authentication);
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CdmApplicationState.setCurrentSecurityContext(SecurityContextHolder.getContext());
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if(!authentication.equals(lastAuthentication)){
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this.setChanged();
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this.notifyObservers();
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}
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} catch(BadCredentialsException e){
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throw new CdmAuthenticationException(INCORRECT_CREDENTIALS_MESSAGE, e);
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} catch(LockedException e){
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throw new CdmAuthenticationException(ACCOUNT_LOCKED_MESSAGE, e);
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} catch(IllegalArgumentException e){
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throw new CdmAuthenticationException(EMPTY_CREDENTIALS_MESSAGE, e);
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}
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}
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f4ba1ef6
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Andreas Kohlbecker
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4ed38c9b
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Cherian Mathew
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f4ba1ef6
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Andreas Kohlbecker
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private void _logGrantedAuthotities(StringBuilder gaText, String indent,
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Set<GrantedAuthority> gaSet) {
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for(GrantedAuthority ga : gaSet){
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gaText.append(indent).append("ga[").append(ga.hashCode()).append("] ").append(ga.toString()).append("\n");
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}
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}
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b92f1605
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Andreas Kohlbecker
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n.hoffmann
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/**
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* <p>getAuthenticatedUser</p>
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*
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* @return a {@link eu.etaxonomy.cdm.model.common.User} object.
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*/
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public User getAuthenticatedUser(){
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233a8fe2
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Cherian Mathew
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Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
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Andreas Kohlbecker
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if(authentication != null
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&& authentication.getPrincipal() != null
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&& authentication.getPrincipal() instanceof User){
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return (User)authentication.getPrincipal();
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}
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return null;
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}
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public void logoutAll(){
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SecurityContextHolder.clearContext();
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Andreas Kohlbecker
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notifyObservers();
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.cdm.persistence.hibernate.ICdmPostDataChangeObserver#update(eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap)
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*/
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@Override
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public void update(CdmDataChangeMap arg) {}
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/* (non-Javadoc)
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* @see eu.etaxonomy.cdm.api.conversation.IConversationEnabled#getConversationHolder()
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*/
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@Override
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public ConversationHolder getConversationHolder() {
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if(conversation == null){
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conversation = CdmStore.createConversation();
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}
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return conversation;
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}
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/**
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* Whether the current user has the role admin
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b92f1605
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*
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* @return
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*/
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public boolean isAdmin() {
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// FIXME until we have rights implemented properly we do this
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// by a simple string check. This has to change
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return "admin".equals(getAuthenticatedUser().getUsername());
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}
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@Override
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public void contextAboutToStop(IMemento memento, IProgressMonitor monitor) {
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b92f1605
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Andreas Kohlbecker
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}
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@Override
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public void contextStop(IMemento memento, IProgressMonitor monitor) {
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b92f1605
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Andreas Kohlbecker
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}
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@Override
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public void contextStart(IMemento memento, IProgressMonitor monitor){
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conversation = CdmStore.createConversation();
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}
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@Override
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public void contextRefresh(IProgressMonitor monitor) {
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conversation = CdmStore.createConversation();
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}
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@Override
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public void workbenchShutdown(IMemento memento, IProgressMonitor monitor) {
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b92f1605
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Andreas Kohlbecker
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}
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}
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