37e1f12060316fa4eb626e50b5838b474162fd1c
[taxeditor.git] / eu.etaxonomy.taxeditor.store / src / main / java / eu / etaxonomy / taxeditor / store / LoginManager.java
1 // $Id$
2 /**
3 * Copyright (C) 2007 EDIT
4 * European Distributed Institute of Taxonomy
5 * http://www.e-taxonomy.eu
6 *
7 * The contents of this file are subject to the Mozilla Public License Version 1.1
8 * See LICENSE.TXT at the top of this package for the full license terms.
9 */
10
11 package eu.etaxonomy.taxeditor.store;
12
13 import java.util.Observable;
14
15 import org.eclipse.core.runtime.IProgressMonitor;
16 import org.eclipse.ui.IEditorPart;
17 import org.eclipse.ui.IMemento;
18 import org.eclipse.ui.IWorkbenchPage;
19 import org.eclipse.ui.IWorkbenchPart;
20 import org.eclipse.ui.IWorkbenchWindow;
21 import org.eclipse.ui.editors.text.EditorsUI;
22 import org.eclipse.ui.handlers.HandlerUtil;
23 import org.springframework.security.authentication.BadCredentialsException;
24 import org.springframework.security.authentication.LockedException;
25 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
26 import org.springframework.security.core.Authentication;
27 import org.springframework.security.core.context.SecurityContextHolder;
28
29 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
30 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
31 import eu.etaxonomy.cdm.model.common.User;
32 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
33 import eu.etaxonomy.taxeditor.model.IContextListener;
34
35 /**
36 * <p>LoginManager class.</p>
37 *
38 * @author n.hoffmann
39 * @created 03.07.2009
40 * @version 1.0
41 */
42 public class LoginManager extends Observable implements IConversationEnabled, IContextListener{
43
44 private ConversationHolder conversation;
45
46 public LoginManager(){
47 CdmStore.getContextManager().addContextListener(this);
48 }
49
50 /**
51 * <p>authenticate</p>
52 *
53 * @param token a {@link org.springframework.security.authentication.UsernamePasswordAuthenticationToken} object.
54 */
55 public boolean authenticate(String username, String password){
56
57 // close all open editors, this will close all open conversations
58 // otherwise the users granted authorities might not be up to date
59 if(!StoreUtil.closeAll()){
60 return false;
61 }
62
63
64 try{
65 getConversationHolder().bind();
66
67 SecurityContextHolder.clearContext();
68
69 UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password);
70 Authentication authentication = CdmStore.getAuthenticationManager().authenticate(token);
71
72 SecurityContextHolder.getContext().setAuthentication(authentication);
73
74 this.setChanged();
75 this.notifyObservers();
76 return true;
77 }
78 catch(BadCredentialsException e){
79 StoreUtil.warningDialog("Could not authenticate", this, "Could not authenticate. Reason: Bad Credentials.");
80 }
81 catch(LockedException e){
82 StoreUtil.warningDialog("Could not authenticate", this, "Could not authenticate. Reason: Account is locked.");
83 }
84 catch(IllegalArgumentException e){
85 StoreUtil.warningDialog("Could not authenticate", this, "Could not authenticate. Reason: Username and/or Password empty.");
86 }
87 return false;
88 }
89
90 /**
91 * <p>getAuthenticatedUser</p>
92 *
93 * @return a {@link eu.etaxonomy.cdm.model.common.User} object.
94 */
95 public User getAuthenticatedUser(){
96 Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
97
98 if(authentication != null
99 && authentication.getPrincipal() != null
100 && authentication.getPrincipal() instanceof User){
101 return (User)authentication.getPrincipal();
102 }
103 return null;
104 }
105
106 public void logoutAll(){
107 SecurityContextHolder.clearContext();
108 notifyObservers();
109 }
110
111 /* (non-Javadoc)
112 * @see eu.etaxonomy.cdm.persistence.hibernate.ICdmPostDataChangeObserver#update(eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap)
113 */
114 @Override
115 public void update(CdmDataChangeMap arg) {}
116
117 /* (non-Javadoc)
118 * @see eu.etaxonomy.cdm.api.conversation.IConversationEnabled#getConversationHolder()
119 */
120 @Override
121 public ConversationHolder getConversationHolder() {
122 if(conversation == null){
123 conversation = CdmStore.createConversation();
124 }
125 return conversation;
126 }
127
128 /**
129 * Whether the current user has the role admin
130 *
131 * @return
132 */
133 public boolean isAdmin() {
134 // FIXME until we have rights implemented properly we do this
135 // by a simple string check. This has to change
136
137 return "admin".equals(getAuthenticatedUser().getUsername());
138 }
139
140 @Override
141 public void contextAboutToStop(IMemento memento, IProgressMonitor monitor) {
142
143 }
144
145 @Override
146 public void contextStop(IMemento memento, IProgressMonitor monitor) {
147
148 }
149
150 @Override
151 public void contextStart(IMemento memento, IProgressMonitor monitor){
152 conversation = CdmStore.createConversation();
153 }
154
155 @Override
156 public void contextRefresh(IProgressMonitor monitor) {
157 conversation = CdmStore.createConversation();
158 }
159
160 @Override
161 public void workbenchShutdown(IMemento memento, IProgressMonitor monitor) {
162
163 }
164 }