--- /dev/null
+package org.argeo.cms.ui.widgets.auth;
+
+import static org.argeo.cms.CmsMsg.password;
+import static org.argeo.cms.CmsMsg.username;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Locale;
+
+import javax.security.auth.Subject;
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.callback.LanguageCallback;
+import javax.security.auth.callback.NameCallback;
+import javax.security.auth.callback.PasswordCallback;
+import javax.security.auth.callback.UnsupportedCallbackException;
+import javax.security.auth.login.LoginContext;
+import javax.security.auth.login.LoginException;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.api.NodeConstants;
+import org.argeo.api.NodeState;
+import org.argeo.cms.CmsMsg;
+import org.argeo.cms.LocaleUtils;
+import org.argeo.cms.auth.HttpRequestCallback;
+import org.argeo.cms.ui.CmsStyles;
+import org.argeo.cms.ui.CmsView;
+import org.argeo.cms.ui.internal.Activator;
+import org.argeo.cms.ui.util.CmsUiUtils;
+import org.argeo.eclipse.ui.specific.UiContext;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.MouseAdapter;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.events.TraverseEvent;
+import org.eclipse.swt.events.TraverseListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+
+public class CmsLogin implements CmsStyles, CallbackHandler {
+ private final static Log log = LogFactory.getLog(CmsLogin.class);
+
+ private Composite parent;
+ private Text usernameT, passwordT;
+ private Composite credentialsBlock;
+ private final SelectionListener loginSelectionListener;
+
+ private final Locale defaultLocale;
+ private LocaleChoice localeChoice = null;
+
+ private final CmsView cmsView;
+
+ // optional subject to be set explicitly
+ private Subject subject = null;
+
+ public CmsLogin(CmsView cmsView) {
+ this.cmsView = cmsView;
+ NodeState nodeState = Activator.getNodeState();
+ if (nodeState != null) {
+ defaultLocale = nodeState.getDefaultLocale();
+ List<Locale> locales = nodeState.getLocales();
+ if (locales != null)
+ localeChoice = new LocaleChoice(locales, defaultLocale);
+ } else {
+ defaultLocale = Locale.getDefault();
+ }
+ loginSelectionListener = new SelectionListener() {
+ private static final long serialVersionUID = -8832133363830973578L;
+
+ @Override
+ public void widgetSelected(SelectionEvent e) {
+ login();
+ }
+
+ @Override
+ public void widgetDefaultSelected(SelectionEvent e) {
+ }
+ };
+ }
+
+ protected boolean isAnonymous() {
+ return cmsView.isAnonymous();
+ }
+
+ public final void createUi(Composite parent) {
+ this.parent = parent;
+ createContents(parent);
+ }
+
+ protected void createContents(Composite parent) {
+ defaultCreateContents(parent);
+ }
+
+ public final void defaultCreateContents(Composite parent) {
+ parent.setLayout(CmsUiUtils.noSpaceGridLayout());
+ Composite credentialsBlock = createCredentialsBlock(parent);
+ if (parent instanceof Shell) {
+ credentialsBlock.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true, true));
+ }
+ }
+
+ public final Composite createCredentialsBlock(Composite parent) {
+ if (isAnonymous()) {
+ return anonymousUi(parent);
+ } else {
+ return userUi(parent);
+ }
+ }
+
+ protected Composite getCredentialsBlock() {
+ return credentialsBlock;
+ }
+
+ protected Composite userUi(Composite parent) {
+ Locale locale = localeChoice == null ? this.defaultLocale : localeChoice.getSelectedLocale();
+ credentialsBlock = new Composite(parent, SWT.NONE);
+ credentialsBlock.setLayout(new GridLayout());
+ // credentialsBlock.setLayoutData(CmsUiUtils.fillAll());
+
+ specificUserUi(credentialsBlock);
+
+ Label l = new Label(credentialsBlock, SWT.NONE);
+ CmsUiUtils.style(l, CMS_USER_MENU_ITEM);
+ l.setText(CmsMsg.logout.lead(locale));
+ GridData lData = CmsUiUtils.fillWidth();
+ lData.widthHint = 120;
+ l.setLayoutData(lData);
+
+ l.addMouseListener(new MouseAdapter() {
+ private static final long serialVersionUID = 6444395812777413116L;
+
+ public void mouseDown(MouseEvent e) {
+ logout();
+ }
+ });
+ return credentialsBlock;
+ }
+
+ /** To be overridden */
+ protected void specificUserUi(Composite parent) {
+
+ }
+
+ protected Composite anonymousUi(Composite parent) {
+ Locale locale = localeChoice == null ? this.defaultLocale : localeChoice.getSelectedLocale();
+ // We need a composite for the traversal
+ credentialsBlock = new Composite(parent, SWT.NONE);
+ credentialsBlock.setLayout(new GridLayout());
+ // credentialsBlock.setLayoutData(CmsUiUtils.fillAll());
+ CmsUiUtils.style(credentialsBlock, CMS_LOGIN_DIALOG);
+
+ Integer textWidth = 120;
+ if (parent instanceof Shell)
+ CmsUiUtils.style(parent, CMS_USER_MENU);
+ // new Label(this, SWT.NONE).setText(CmsMsg.username.lead());
+ usernameT = new Text(credentialsBlock, SWT.BORDER);
+ usernameT.setMessage(username.lead(locale));
+ CmsUiUtils.style(usernameT, CMS_LOGIN_DIALOG_USERNAME);
+ GridData gd = CmsUiUtils.fillWidth();
+ gd.widthHint = textWidth;
+ usernameT.setLayoutData(gd);
+
+ // new Label(this, SWT.NONE).setText(CmsMsg.password.lead());
+ passwordT = new Text(credentialsBlock, SWT.BORDER | SWT.PASSWORD);
+ passwordT.setMessage(password.lead(locale));
+ CmsUiUtils.style(passwordT, CMS_LOGIN_DIALOG_PASSWORD);
+ gd = CmsUiUtils.fillWidth();
+ gd.widthHint = textWidth;
+ passwordT.setLayoutData(gd);
+
+ TraverseListener tl = new TraverseListener() {
+ private static final long serialVersionUID = -1158892811534971856L;
+
+ public void keyTraversed(TraverseEvent e) {
+ if (e.detail == SWT.TRAVERSE_RETURN)
+ login();
+ }
+ };
+ credentialsBlock.addTraverseListener(tl);
+ usernameT.addTraverseListener(tl);
+ passwordT.addTraverseListener(tl);
+ parent.setTabList(new Control[] { credentialsBlock });
+ credentialsBlock.setTabList(new Control[] { usernameT, passwordT });
+
+ // Button
+ Button loginButton = new Button(credentialsBlock, SWT.PUSH);
+ loginButton.setText(CmsMsg.login.lead(locale));
+ loginButton.setLayoutData(CmsUiUtils.fillWidth());
+ loginButton.addSelectionListener(loginSelectionListener);
+
+ extendsCredentialsBlock(credentialsBlock, locale, loginSelectionListener);
+ if (localeChoice != null)
+ createLocalesBlock(credentialsBlock);
+ return credentialsBlock;
+ }
+
+ /**
+ * To be overridden in order to provide custom login button and other links.
+ */
+ protected void extendsCredentialsBlock(Composite credentialsBlock, Locale selectedLocale,
+ SelectionListener loginSelectionListener) {
+
+ }
+
+ protected void updateLocale(Locale selectedLocale) {
+ // save already entered values
+ String usernameStr = usernameT.getText();
+ char[] pwd = passwordT.getTextChars();
+
+ for (Control child : parent.getChildren())
+ child.dispose();
+ createContents(parent);
+ if (parent.getParent() != null)
+ parent.getParent().layout();
+ else
+ parent.layout();
+ usernameT.setText(usernameStr);
+ passwordT.setTextChars(pwd);
+ }
+
+ protected Composite createLocalesBlock(final Composite parent) {
+ Composite c = new Composite(parent, SWT.NONE);
+ CmsUiUtils.style(c, CMS_USER_MENU_ITEM);
+ c.setLayout(CmsUiUtils.noSpaceGridLayout());
+ c.setLayoutData(CmsUiUtils.fillAll());
+
+ SelectionListener selectionListener = new SelectionAdapter() {
+ private static final long serialVersionUID = 4891637813567806762L;
+
+ public void widgetSelected(SelectionEvent event) {
+ Button button = (Button) event.widget;
+ if (button.getSelection()) {
+ localeChoice.setSelectedIndex((Integer) event.widget.getData());
+ updateLocale(localeChoice.getSelectedLocale());
+ }
+ };
+ };
+
+ List<Locale> locales = localeChoice.getLocales();
+ for (Integer i = 0; i < locales.size(); i++) {
+ Locale locale = locales.get(i);
+ Button button = new Button(c, SWT.RADIO);
+ CmsUiUtils.style(button, CMS_USER_MENU_ITEM);
+ button.setData(i);
+ button.setText(LocaleUtils.lead(locale.getDisplayName(locale), locale) + " (" + locale + ")");
+ // button.addListener(SWT.Selection, listener);
+ button.addSelectionListener(selectionListener);
+ if (i == localeChoice.getSelectedIndex())
+ button.setSelection(true);
+ }
+ return c;
+ }
+
+ protected boolean login() {
+ // TODO use CmsVie in order to retrieve subject?
+ // Subject subject = cmsView.getLoginContext().getSubject();
+ // LoginContext loginContext = cmsView.getLoginContext();
+ try {
+ //
+ // LOGIN
+ //
+ // loginContext.logout();
+ LoginContext loginContext;
+ if (subject == null)
+ loginContext = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER, this);
+ else
+ loginContext = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER, subject, this);
+ loginContext.login();
+ cmsView.authChange(loginContext);
+ return true;
+ } catch (LoginException e) {
+ if (log.isTraceEnabled())
+ log.warn("Login failed: " + e.getMessage(), e);
+ else
+ log.warn("Login failed: " + e.getMessage());
+
+ try {
+ Thread.sleep(3000);
+ } catch (InterruptedException e2) {
+ // silent
+ }
+ // ErrorFeedback.show("Login failed", e);
+ return false;
+ }
+ // catch (LoginException e) {
+ // log.error("Cannot login", e);
+ // return false;
+ // }
+ }
+
+ protected void logout() {
+ cmsView.logout();
+ cmsView.navigateTo("~");
+ }
+
+ @Override
+ public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
+ for (Callback callback : callbacks) {
+ if (callback instanceof NameCallback && usernameT != null)
+ ((NameCallback) callback).setName(usernameT.getText());
+ else if (callback instanceof PasswordCallback && passwordT != null)
+ ((PasswordCallback) callback).setPassword(passwordT.getTextChars());
+ else if (callback instanceof HttpRequestCallback) {
+ ((HttpRequestCallback) callback).setRequest(UiContext.getHttpRequest());
+ ((HttpRequestCallback) callback).setResponse(UiContext.getHttpResponse());
+ } else if (callback instanceof LanguageCallback) {
+ Locale toUse = null;
+ if (localeChoice != null)
+ toUse = localeChoice.getSelectedLocale();
+ else if (defaultLocale != null)
+ toUse = defaultLocale;
+
+ if (toUse != null) {
+ ((LanguageCallback) callback).setLocale(toUse);
+ UiContext.setLocale(toUse);
+ }
+
+ }
+ }
+ }
+
+ public void setSubject(Subject subject) {
+ this.subject = subject;
+ }
+
+}
projects / lgpl / argeo-commons.git / blobdiff