code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/client/CredentialsDialog.java

   1 /*
   2  * Copyright 2008, 2009 Electronic Business Systems Ltd.
   3  *
   4  * This file is part of GSS.
   5  *
   6  * GSS is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GSS is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GSS.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 package gr.ebs.gss.client;
  20
  21 import gr.ebs.gss.client.rest.PostCommand;
  22 import gr.ebs.gss.client.rest.RestException;
  23
  24 import com.google.gwt.core.client.GWT;
  25 import com.google.gwt.dom.client.NativeEvent;
  26 import com.google.gwt.event.dom.client.ClickEvent;
  27 import com.google.gwt.event.dom.client.ClickHandler;
  28 import com.google.gwt.event.dom.client.KeyCodes;
  29 import com.google.gwt.user.client.DeferredCommand;
  30 import com.google.gwt.user.client.Event.NativePreviewEvent;
  31 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  32 import com.google.gwt.user.client.ui.Button;
  33 import com.google.gwt.user.client.ui.DialogBox;
  34 import com.google.gwt.user.client.ui.FlexTable;
  35 import com.google.gwt.user.client.ui.HTML;
  36 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  37 import com.google.gwt.user.client.ui.HorizontalPanel;
  38 import com.google.gwt.user.client.ui.TextBox;
  39 import com.google.gwt.user.client.ui.VerticalPanel;
  40
  41
  42 /**
  43  * A dialog box that displays the user credentials for use in other client
  44  * applications, such as WebDAV clients.
  45  *
  46  * @author kman
  47  */
  48 public class CredentialsDialog extends DialogBox {
  49
  50         private final String WIDTH_FIELD = "35em";
  51         private final String WIDTH_TEXT = "42em";
  52
  53         private TextBox passwordBox;
  54
  55         /**
  56          * The 'confirm reset password' dialog box.
  57          */
  58         private class ConfirmResetPasswordDialog extends DialogBox {
  59
  60                 /**
  61                  * The widget's constructor.
  62                  *
  63                  * @param images the supplied images
  64                  */
  65                 private ConfirmResetPasswordDialog(MessagePanel.Images images) {
  66                         // Set the dialog's caption.
  67                         setText("Confirmation");
  68                         setAnimationEnabled(true);
  69                         // Create a VerticalPanel to contain the label and the buttons.
  70                         VerticalPanel outer = new VerticalPanel();
  71                         HorizontalPanel buttons = new HorizontalPanel();
  72
  73                         HTML text;
  74                         text = new HTML("<table><tr><td>" +
  75                                         AbstractImagePrototype.create(images.warn()).getHTML() +
  76                                         "</td><td>" + "Are you sure you want to create a new " +
  77                                         "WebDAV password?</td></tr></table>");
  78                         text.setStyleName("gss-warnMessage");
  79                         outer.add(text);
  80
  81                         // Create the 'Yes' button, along with a listener that hides the
  82                         // dialog when the button is clicked and resets the password.
  83                         Button ok = new Button("Yes", new ClickHandler() {
  84                                 @Override
  85                                 public void onClick(ClickEvent event) {
  86                                         resetPassword(GSS.get().getCurrentUserResource().getUri());
  87                                         hide();
  88                                 }
  89                         });
  90                         buttons.add(ok);
  91                         buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);
  92                         // Create the 'No' button, along with a listener that hides the
  93                         // dialog when the button is clicked.
  94                         Button cancel = new Button("No", new ClickHandler() {
  95                                 @Override
  96                                 public void onClick(ClickEvent event) {
  97                                         hide();
  98                                 }
  99                         });
 100                         buttons.add(cancel);
 101                         buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);
 102                         buttons.setSpacing(8);
 103                         buttons.setStyleName("gss-warnMessage");
 104                         outer.setStyleName("gss-warnMessage");
 105                         outer.add(buttons);
 106                         outer.setCellHorizontalAlignment(text, HasHorizontalAlignment.ALIGN_CENTER);
 107                         outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);
 108                         setWidget(outer);
 109                 }
 110
 111                 @Override
 112                 protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 113                         super.onPreviewNativeEvent(preview);
 114                         NativeEvent evt = preview.getNativeEvent();
 115                         if (evt.getType().equals("keydown"))
 116                                 // Use the popup's key preview hooks to close the dialog when either
 117                                 // enter or escape is pressed.
 118                                 switch (evt.getKeyCode()) {
 119                                         case KeyCodes.KEY_ENTER:
 120                                         case KeyCodes.KEY_ESCAPE:
 121                                                 hide();
 122                                                 break;
 123                                 }
 124                 }
 125
 126         }
 127
 128         private class ReauthenticateDialog extends DialogBox {
 129                 /**
 130                  * The widget constructor.
 131                  */
 132                 public ReauthenticateDialog() {
 133                         // Set the dialog's caption.
 134                         setText("New Password Created");
 135                         setAnimationEnabled(true);
 136                         VerticalPanel outer = new VerticalPanel();
 137
 138                         // Create the text and set a style name so we can style it with CSS.
 139                         HTML text = new HTML("<p>A new WebDAV password has been created." +
 140                                         "</p><p>You will now be redirected to the initial screen" +
 141                                         " for the changes to take effect. Choose \"Show " +
 142                                         "Credentials\" again afterwards to see the new password.</p>");
 143                         text.setStyleName("gss-AboutText");
 144                         outer.add(text);
 145
 146                         // Create the 'OK' button, along with a listener that hides the
 147                         // dialog when the button is clicked.
 148                         Button confirm = new Button("Proceed", new ClickHandler() {
 149                                 @Override
 150                                 public void onClick(ClickEvent event) {
 151                                         GSS.get().authenticateUser();
 152                                         hide();
 153                                 }
 154                         });
 155                         outer.add(confirm);
 156                         outer.setCellHorizontalAlignment(confirm, HasHorizontalAlignment.ALIGN_CENTER);
 157                         outer.setSpacing(8);
 158                         setWidget(outer);
 159                 }
 160
 161                 @Override
 162                 protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 163                         super.onPreviewNativeEvent(preview);
 164                         NativeEvent evt = preview.getNativeEvent();
 165                         if (evt.getType().equals("keydown"))
 166                                 // Use the popup's key preview hooks to close the dialog when
 167                                 // either enter or escape is pressed.
 168                                 switch (evt.getKeyCode()) {
 169                                         case KeyCodes.KEY_ENTER:
 170                                                 GSS.get().authenticateUser();
 171                                                 hide();
 172                                                 break;
 173                                         case KeyCodes.KEY_ESCAPE:
 174                                                 hide();
 175                                                 break;
 176                                 }
 177                 }
 178
 179         }
 180
 181         /**
 182          * The widget constructor.
 183          */
 184         public CredentialsDialog(final MessagePanel.Images images) {
 185                 // Set the dialog's caption.
 186                 setText("User Credentials");
 187                 setAnimationEnabled(true);
 188                 // A VerticalPanel that contains the 'about' label and the 'OK' button.
 189                 VerticalPanel outer = new VerticalPanel();
 190                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 191                 String service = conf.serviceName();
 192                 String webdavUrl = conf.serviceHome() + conf.webdavUrl();
 193                 String tokenNote = conf.tokenTTLNote();
 194                 // Create the text and set a style name so we can style it with CSS.
 195                 HTML text = new HTML("<p>These are the user credentials that are " +
 196                                 "required for interacting with " + service + ". You can copy" +
 197                                 " and paste the username and password in the WebDAV client " +
 198                                 "in order to use " + service + " through the WebDAV " +
 199                                 "interface, at:<br/> " + webdavUrl + "<br/>" + tokenNote +
 200                                 "</p>");
 201                 text.setStyleName("gss-AboutText");
 202                 text.setWidth(WIDTH_TEXT);
 203                 outer.add(text);
 204                 FlexTable table = new FlexTable();
 205                 table.setText(0, 0, "Username");
 206                 table.setText(1, 0, "Password");
 207                 table.setText(2, 0, "Token");
 208                 TextBox username = new TextBox();
 209                 final GSS app = GSS.get();
 210                 username.setText(app.getCurrentUserResource().getUsername());
 211                 username.setReadOnly(true);
 212                 username.setWidth(WIDTH_FIELD);
 213                 username.addClickHandler(new ClickHandler() {
 214                         @Override
 215                         public void onClick(ClickEvent event) {
 216                                 GSS.enableIESelection();
 217                                 ((TextBox) event.getSource()).selectAll();
 218                                 GSS.preventIESelection();
 219                         }
 220
 221                 });
 222                 table.setWidget(0, 1, username);
 223                 passwordBox = new TextBox();
 224                 passwordBox.setText(app.getWebDAVPassword());
 225                 passwordBox.setReadOnly(true);
 226                 passwordBox.setWidth(WIDTH_FIELD);
 227                 passwordBox.addClickHandler(new  ClickHandler() {
 228                         @Override
 229                         public void onClick(ClickEvent event) {
 230                                 GSS.enableIESelection();
 231                                 ((TextBox) event.getSource()).selectAll();
 232                                 GSS.preventIESelection();
 233                         }
 234
 235                 });
 236                 table.setWidget(1, 1, passwordBox);
 237
 238                 TextBox tokenBox = new TextBox();
 239                 tokenBox.setText(app.getToken());
 240                 tokenBox.setReadOnly(true);
 241                 tokenBox.setWidth(WIDTH_FIELD);
 242                 tokenBox.addClickHandler(new ClickHandler() {
 243                         @Override
 244                         public void onClick(ClickEvent event) {
 245                                 GSS.enableIESelection();
 246                                 ((TextBox) event.getSource()).selectAll();
 247                                 GSS.preventIESelection();
 248                         }
 249
 250                 });
 251                 table.setWidget(2, 1, tokenBox);
 252
 253                 table.getFlexCellFormatter().setStyleName(0, 0, "props-labels");
 254                 table.getFlexCellFormatter().setStyleName(0, 1, "props-values");
 255                 table.getFlexCellFormatter().setStyleName(1, 0, "props-labels");
 256                 table.getFlexCellFormatter().setStyleName(1, 1, "props-values");
 257                 table.getFlexCellFormatter().setStyleName(2, 0, "props-labels");
 258                 table.getFlexCellFormatter().setStyleName(2, 1, "props-values");
 259                 outer.add(table);
 260
 261                 // Create the 'OK' button, along with a listener that hides the dialog
 262                 // when the button is clicked.
 263                 Button confirm = new Button("Close", new ClickHandler() {
 264                         @Override
 265                         public void onClick(ClickEvent event) {
 266                                 hide();
 267                         }
 268                 });
 269                 outer.add(confirm);
 270                 outer.setCellHorizontalAlignment(confirm, HasHorizontalAlignment.ALIGN_CENTER);
 271
 272                 // Create the 'Reset password' button, along with a listener that hides
 273                 // the dialog when the button is clicked.
 274                 Button resetPassword = new Button("Reset Password", new ClickHandler() {
 275                         @Override
 276                         public void onClick(ClickEvent event) {
 277                                 ConfirmResetPasswordDialog dlg = new ConfirmResetPasswordDialog(images);
 278                                 dlg.center();
 279                         }
 280                 });
 281                 outer.add(resetPassword);
 282                 outer.setCellHorizontalAlignment(resetPassword, HasHorizontalAlignment.ALIGN_CENTER);
 283
 284                 outer.setSpacing(8);
 285                 setWidget(outer);
 286         }
 287
 288         @Override
 289         protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 290                 super.onPreviewNativeEvent(preview);
 291                 NativeEvent evt = preview.getNativeEvent();
 292                 if (evt.getType().equals("keydown"))
 293                         // Use the popup's key preview hooks to close the dialog when
 294                         // either enter or escape is pressed.
 295                         switch (evt.getKeyCode()) {
 296                                 case KeyCodes.KEY_ENTER:
 297                                 case KeyCodes.KEY_ESCAPE:
 298                                         hide();
 299                                         break;
 300                         }
 301         }
 302
 303
 304         /**
 305          * Generate an RPC request to reset WebDAV password.
 306          *
 307          * @param userId the Uri of the user whose password will be reset
 308          */
 309         private void resetPassword(String userUri) {
 310
 311                 if (userUri == null || userUri.length() == 0) {
 312                         GSS.get().displayError("Empty user Uri!");
 313                         return;
 314                 }
 315                 GWT.log("resetPassword(" + userUri + ")", null);
 316                 PostCommand cg = new PostCommand(userUri + "?resetWebDAV", "", 200) {
 317
 318                         @Override
 319                         public void onComplete() {
 320                                 ReauthenticateDialog dlg = new ReauthenticateDialog();
 321                                 dlg.center();
 322                         }
 323
 324                         @Override
 325                         public void onError(Throwable t) {
 326                                 GWT.log("", t);
 327                                 if(t instanceof RestException){
 328                                         int statusCode = ((RestException)t).getHttpStatusCode();
 329                                         if(statusCode == 405)
 330                                                 GSS.get().displayError("You don't have the necessary" +
 331                                                                 " permissions");
 332                                         else if(statusCode == 404)
 333                                                 GSS.get().displayError("Resource does not exist");
 334                                         else
 335                                                 GSS.get().displayError("Unable to reset password:" +
 336                                                                         ((RestException)t).getHttpStatusText());
 337                                 }
 338                                 else
 339                                         GSS.get().displayError("System error resetting password:" +
 340                                                                 t.getMessage());
 341                         }
 342                 };
 343                 DeferredCommand.addCommand(cg);
 344         }
 345
 346 }