1 package org.argeo.cms.ui.widgets.auth;
2
3 import static org.argeo.cms.CmsMsg.password;
4 import static org.argeo.cms.CmsMsg.username;
5
6 import java.io.IOException;
7 import java.util.List;
8 import java.util.Locale;
9
10 import javax.security.auth.Subject;
11 import javax.security.auth.callback.Callback;
12 import javax.security.auth.callback.CallbackHandler;
13 import javax.security.auth.callback.LanguageCallback;
14 import javax.security.auth.callback.NameCallback;
15 import javax.security.auth.callback.PasswordCallback;
16 import javax.security.auth.callback.UnsupportedCallbackException;
17 import javax.security.auth.login.LoginContext;
18 import javax.security.auth.login.LoginException;
19
20 import org.apache.commons.logging.Log;
21 import org.apache.commons.logging.LogFactory;
22 import org.argeo.api.NodeConstants;
23 import org.argeo.api.NodeState;
24 import org.argeo.cms.CmsMsg;
25 import org.argeo.cms.LocaleUtils;
26 import org.argeo.cms.auth.HttpRequestCallback;
27 import org.argeo.cms.ui.CmsStyles;
28 import org.argeo.cms.ui.CmsView;
29 import org.argeo.cms.ui.internal.Activator;
30 import org.argeo.cms.ui.util.CmsUiUtils;
31 import org.argeo.eclipse.ui.specific.UiContext;
32 import org.eclipse.swt.SWT;
33 import org.eclipse.swt.events.MouseAdapter;
34 import org.eclipse.swt.events.MouseEvent;
35 import org.eclipse.swt.events.SelectionAdapter;
36 import org.eclipse.swt.events.SelectionEvent;
37 import org.eclipse.swt.events.SelectionListener;
38 import org.eclipse.swt.events.TraverseEvent;
39 import org.eclipse.swt.events.TraverseListener;
40 import org.eclipse.swt.layout.GridData;
41 import org.eclipse.swt.layout.GridLayout;
42 import org.eclipse.swt.widgets.Button;
43 import org.eclipse.swt.widgets.Composite;
44 import org.eclipse.swt.widgets.Control;
45 import org.eclipse.swt.widgets.Label;
46 import org.eclipse.swt.widgets.Shell;
47 import org.eclipse.swt.widgets.Text;
48
49 public class CmsLogin implements CmsStyles, CallbackHandler {
50 private final static Log log = LogFactory.getLog(CmsLogin.class);
51
52 private Composite parent;
53 private Text usernameT, passwordT;
54 private Composite credentialsBlock;
55 private final SelectionListener loginSelectionListener;
56
57 private final Locale defaultLocale;
58 private LocaleChoice localeChoice = null;
59
60 private final CmsView cmsView;
61
62
63 private Subject subject = null;
64
65 public CmsLogin(CmsView cmsView) {
66 this.cmsView = cmsView;
67 NodeState nodeState = Activator.getNodeState();
68 if (nodeState != null) {
69 defaultLocale = nodeState.getDefaultLocale();
70 List<Locale> locales = nodeState.getLocales();
71 if (locales != null)
72 localeChoice = new LocaleChoice(locales, defaultLocale);
73 } else {
74 defaultLocale = Locale.getDefault();
75 }
76 loginSelectionListener = new SelectionListener() {
77 private static final long serialVersionUID = -8832133363830973578L;
78
79 @Override
80 public void widgetSelected(SelectionEvent e) {
81 login();
82 }
83
84 @Override
85 public void widgetDefaultSelected(SelectionEvent e) {
86 }
87 };
88 }
89
90 protected boolean isAnonymous() {
91 return cmsView.isAnonymous();
92 }
93
94 public final void createUi(Composite parent) {
95 this.parent = parent;
96 createContents(parent);
97 }
98
99 protected void createContents(Composite parent) {
100 defaultCreateContents(parent);
101 }
102
103 public final void defaultCreateContents(Composite parent) {
104 parent.setLayout(CmsUiUtils.noSpaceGridLayout());
105 Composite credentialsBlock = createCredentialsBlock(parent);
106 if (parent instanceof Shell) {
107 credentialsBlock.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true, true));
108 }
109 }
110
111 public final Composite createCredentialsBlock(Composite parent) {
112 if (isAnonymous()) {
113 return anonymousUi(parent);
114 } else {
115 return userUi(parent);
116 }
117 }
118
119 protected Composite getCredentialsBlock() {
120 return credentialsBlock;
121 }
122
123 protected Composite userUi(Composite parent) {
124 Locale locale = localeChoice == null ? this.defaultLocale : localeChoice.getSelectedLocale();
125 credentialsBlock = new Composite(parent, SWT.NONE);
126 credentialsBlock.setLayout(new GridLayout());
127
128
129 specificUserUi(credentialsBlock);
130
131 Label l = new Label(credentialsBlock, SWT.NONE);
132 CmsUiUtils.style(l, CMS_USER_MENU_ITEM);
133 l.setText(CmsMsg.logout.lead(locale));
134 GridData lData = CmsUiUtils.fillWidth();
135 lData.widthHint = 120;
136 l.setLayoutData(lData);
137
138 l.addMouseListener(new MouseAdapter() {
139 private static final long serialVersionUID = 6444395812777413116L;
140
141 public void mouseDown(MouseEvent e) {
142 logout();
143 }
144 });
145 return credentialsBlock;
146 }
147
148
149 protected void specificUserUi(Composite parent) {
150
151 }
152
153 protected Composite anonymousUi(Composite parent) {
154 Locale locale = localeChoice == null ? this.defaultLocale : localeChoice.getSelectedLocale();
155
156 credentialsBlock = new Composite(parent, SWT.NONE);
157 credentialsBlock.setLayout(new GridLayout());
158
159 CmsUiUtils.style(credentialsBlock, CMS_LOGIN_DIALOG);
160
161 Integer textWidth = 120;
162 if (parent instanceof Shell)
163 CmsUiUtils.style(parent, CMS_USER_MENU);
164
165 usernameT = new Text(credentialsBlock, SWT.BORDER);
166 usernameT.setMessage(username.lead(locale));
167 CmsUiUtils.style(usernameT, CMS_LOGIN_DIALOG_USERNAME);
168 GridData gd = CmsUiUtils.fillWidth();
169 gd.widthHint = textWidth;
170 usernameT.setLayoutData(gd);
171
172
173 passwordT = new Text(credentialsBlock, SWT.BORDER | SWT.PASSWORD);
174 passwordT.setMessage(password.lead(locale));
175 CmsUiUtils.style(passwordT, CMS_LOGIN_DIALOG_PASSWORD);
176 gd = CmsUiUtils.fillWidth();
177 gd.widthHint = textWidth;
178 passwordT.setLayoutData(gd);
179
180 TraverseListener tl = new TraverseListener() {
181 private static final long serialVersionUID = -1158892811534971856L;
182
183 public void keyTraversed(TraverseEvent e) {
184 if (e.detail == SWT.TRAVERSE_RETURN)
185 login();
186 }
187 };
188 credentialsBlock.addTraverseListener(tl);
189 usernameT.addTraverseListener(tl);
190 passwordT.addTraverseListener(tl);
191 parent.setTabList(new Control[] { credentialsBlock });
192 credentialsBlock.setTabList(new Control[] { usernameT, passwordT });
193
194
195 Button loginButton = new Button(credentialsBlock, SWT.PUSH);
196 loginButton.setText(CmsMsg.login.lead(locale));
197 loginButton.setLayoutData(CmsUiUtils.fillWidth());
198 loginButton.addSelectionListener(loginSelectionListener);
199
200 extendsCredentialsBlock(credentialsBlock, locale, loginSelectionListener);
201 if (localeChoice != null)
202 createLocalesBlock(credentialsBlock);
203 return credentialsBlock;
204 }
205
206
207
208
209 protected void extendsCredentialsBlock(Composite credentialsBlock, Locale selectedLocale,
210 SelectionListener loginSelectionListener) {
211
212 }
213
214 protected void updateLocale(Locale selectedLocale) {
215
216 String usernameStr = usernameT.getText();
217 char[] pwd = passwordT.getTextChars();
218
219 for (Control child : parent.getChildren())
220 child.dispose();
221 createContents(parent);
222 if (parent.getParent() != null)
223 parent.getParent().layout();
224 else
225 parent.layout();
226 usernameT.setText(usernameStr);
227 passwordT.setTextChars(pwd);
228 }
229
230 protected Composite createLocalesBlock(final Composite parent) {
231 Composite c = new Composite(parent, SWT.NONE);
232 CmsUiUtils.style(c, CMS_USER_MENU_ITEM);
233 c.setLayout(CmsUiUtils.noSpaceGridLayout());
234 c.setLayoutData(CmsUiUtils.fillAll());
235
236 SelectionListener selectionListener = new SelectionAdapter() {
237 private static final long serialVersionUID = 4891637813567806762L;
238
239 public void widgetSelected(SelectionEvent event) {
240 Button button = (Button) event.widget;
241 if (button.getSelection()) {
242 localeChoice.setSelectedIndex((Integer) event.widget.getData());
243 updateLocale(localeChoice.getSelectedLocale());
244 }
245 };
246 };
247
248 List<Locale> locales = localeChoice.getLocales();
249 for (Integer i = 0; i < locales.size(); i++) {
250 Locale locale = locales.get(i);
251 Button button = new Button(c, SWT.RADIO);
252 CmsUiUtils.style(button, CMS_USER_MENU_ITEM);
253 button.setData(i);
254 button.setText(LocaleUtils.lead(locale.getDisplayName(locale), locale) + " (" + locale + ")");
255
256 button.addSelectionListener(selectionListener);
257 if (i == localeChoice.getSelectedIndex())
258 button.setSelection(true);
259 }
260 return c;
261 }
262
263 protected boolean login() {
264
265
266
267 try {
268
269
270
271
272 LoginContext loginContext;
273 if (subject == null)
274 loginContext = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER, this);
275 else
276 loginContext = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER, subject, this);
277 loginContext.login();
278 cmsView.authChange(loginContext);
279 return true;
280 } catch (LoginException e) {
281 if (log.isTraceEnabled())
282 log.warn("Login failed: " + e.getMessage(), e);
283 else
284 log.warn("Login failed: " + e.getMessage());
285
286 try {
287 Thread.sleep(3000);
288 } catch (InterruptedException e2) {
289
290 }
291
292 return false;
293 }
294
295
296
297
298 }
299
300 protected void logout() {
301 cmsView.logout();
302 cmsView.navigateTo("~");
303 }
304
305 @Override
306 public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
307 for (Callback callback : callbacks) {
308 if (callback instanceof NameCallback && usernameT != null)
309 ((NameCallback) callback).setName(usernameT.getText());
310 else if (callback instanceof PasswordCallback && passwordT != null)
311 ((PasswordCallback) callback).setPassword(passwordT.getTextChars());
312 else if (callback instanceof HttpRequestCallback) {
313 ((HttpRequestCallback) callback).setRequest(UiContext.getHttpRequest());
314 ((HttpRequestCallback) callback).setResponse(UiContext.getHttpResponse());
315 } else if (callback instanceof LanguageCallback) {
316 Locale toUse = null;
317 if (localeChoice != null)
318 toUse = localeChoice.getSelectedLocale();
319 else if (defaultLocale != null)
320 toUse = defaultLocale;
321
322 if (toUse != null) {
323 ((LanguageCallback) callback).setLocale(toUse);
324 UiContext.setLocale(toUse);
325 }
326
327 }
328 }
329 }
330
331 public void setSubject(Subject subject) {
332 this.subject = subject;
333 }
334
335 }