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

   1 /*
   2  * Copyright 2011 GRNET S.A. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or
   5  * without modification, are permitted provided that the following
   6  * conditions are met:
   7  *
   8  *   1. Redistributions of source code must retain the above
   9  *      copyright notice, this list of conditions and the following
  10  *      disclaimer.
  11  *
  12  *   2. Redistributions in binary form must reproduce the above
  13  *      copyright notice, this list of conditions and the following
  14  *      disclaimer in the documentation and/or other materials
  15  *      provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * The views and conclusions contained in the software and
  31  * documentation are those of the authors and should not be
  32  * interpreted as representing official policies, either expressed
  33  * or implied, of GRNET S.A.
  34  */
  35 package gr.grnet.pithos.web.client;
  36
  37 import com.google.gwt.user.client.Window;
  38 import gr.grnet.pithos.web.client.rest.PostCommand;
  39 import gr.grnet.pithos.web.client.rest.RestException;
  40
  41 import com.google.gwt.core.client.GWT;
  42 import com.google.gwt.dom.client.NativeEvent;
  43 import com.google.gwt.event.dom.client.ClickEvent;
  44 import com.google.gwt.event.dom.client.ClickHandler;
  45 import com.google.gwt.event.dom.client.KeyCodes;
  46 import com.google.gwt.user.client.DeferredCommand;
  47 import com.google.gwt.user.client.Event.NativePreviewEvent;
  48 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  49 import com.google.gwt.user.client.ui.Button;
  50 import com.google.gwt.user.client.ui.DialogBox;
  51 import com.google.gwt.user.client.ui.FlexTable;
  52 import com.google.gwt.user.client.ui.HTML;
  53 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  54 import com.google.gwt.user.client.ui.HorizontalPanel;
  55 import com.google.gwt.user.client.ui.TextBox;
  56 import com.google.gwt.user.client.ui.VerticalPanel;
  57
  58
  59 /**
  60  * A dialog box that displays the user credentials for use in other client
  61  * applications, such as WebDAV clients.
  62  */
  63 public class CredentialsDialog extends DialogBox {
  64
  65         private final String WIDTH_FIELD = "35em";
  66         private final String WIDTH_TEXT = "42em";
  67
  68         /**
  69          * The 'confirm reset password' dialog box.
  70          */
  71         private class ConfirmResetPasswordDialog extends DialogBox {
  72
  73                 /**
  74                  * The widget's constructor.
  75                  *
  76                  * @param images the supplied images
  77                  */
  78                 private ConfirmResetPasswordDialog(MessagePanel.Images images) {
  79                         // Set the dialog's caption.
  80                         setText("Confirmation");
  81                         setAnimationEnabled(true);
  82                         // Create a VerticalPanel to contain the label and the buttons.
  83                         VerticalPanel outer = new VerticalPanel();
  84                         HorizontalPanel buttons = new HorizontalPanel();
  85
  86                         HTML text;
  87                         text = new HTML("<table><tr><td>" +
  88                                         AbstractImagePrototype.create(images.warn()).getHTML() +
  89                                         "</td><td>" + "Are you sure you want to create a new " +
  90                                         "WebDAV password?</td></tr></table>");
  91                         text.setStyleName("pithos-warnMessage");
  92                         outer.add(text);
  93
  94                         // Create the 'Yes' button, along with a listener that hides the
  95                         // dialog when the button is clicked and resets the password.
  96                         Button ok = new Button("Yes", new ClickHandler() {
  97                                 @Override
  98                                 public void onClick(ClickEvent event) {
  99                                         resetPassword(GSS.get().getCurrentUserResource().getUri());
 100                                         hide();
 101                                 }
 102                         });
 103                         buttons.add(ok);
 104                         buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);
 105                         // Create the 'No' button, along with a listener that hides the
 106                         // dialog when the button is clicked.
 107                         Button cancel = new Button("No", new ClickHandler() {
 108                                 @Override
 109                                 public void onClick(ClickEvent event) {
 110                                         hide();
 111                                 }
 112                         });
 113                         buttons.add(cancel);
 114                         buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);
 115                         buttons.setSpacing(8);
 116                         buttons.setStyleName("pithos-warnMessage");
 117                         outer.setStyleName("pithos-warnMessage");
 118                         outer.add(buttons);
 119                         outer.setCellHorizontalAlignment(text, HasHorizontalAlignment.ALIGN_CENTER);
 120                         outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);
 121                         setWidget(outer);
 122                 }
 123
 124                 @Override
 125                 protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 126                         super.onPreviewNativeEvent(preview);
 127                         NativeEvent evt = preview.getNativeEvent();
 128                         if (evt.getType().equals("keydown"))
 129                                 // Use the popup's key preview hooks to close the dialog when either
 130                                 // enter or escape is pressed.
 131                                 switch (evt.getKeyCode()) {
 132                                         case KeyCodes.KEY_ENTER:
 133                                         case KeyCodes.KEY_ESCAPE:
 134                                                 hide();
 135                                                 break;
 136                                 }
 137                 }
 138
 139         }
 140
 141         private class ReauthenticateDialog extends DialogBox {
 142                 /**
 143                  * The widget constructor.
 144                  */
 145                 public ReauthenticateDialog() {
 146                         // Set the dialog's caption.
 147                         setText("New Password Created");
 148                         setAnimationEnabled(true);
 149                         VerticalPanel outer = new VerticalPanel();
 150
 151                         // Create the text and set a style name so we can style it with CSS.
 152                         HTML text = new HTML("<p>A new WebDAV password has been created." +
 153                                         "</p><p>You will now be redirected to the initial screen" +
 154                                         " for the changes to take effect. Choose \"Show " +
 155                                         "Credentials\" again afterwards to see the new password.</p>");
 156                         text.setStyleName("pithos-AboutText");
 157                         outer.add(text);
 158
 159                         // Create the 'OK' button, along with a listener that hides the
 160                         // dialog when the button is clicked.
 161                         Button confirm = new Button("Proceed", new ClickHandler() {
 162                                 @Override
 163                                 public void onClick(ClickEvent event) {
 164                                         GSS.get().authenticateUser();
 165                                         hide();
 166                                 }
 167                         });
 168                         outer.add(confirm);
 169                         outer.setCellHorizontalAlignment(confirm, HasHorizontalAlignment.ALIGN_CENTER);
 170                         outer.setSpacing(8);
 171                         setWidget(outer);
 172                 }
 173
 174                 @Override
 175                 protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 176                         super.onPreviewNativeEvent(preview);
 177                         NativeEvent evt = preview.getNativeEvent();
 178                         if (evt.getType().equals("keydown"))
 179                                 // Use the popup's key preview hooks to close the dialog when
 180                                 // either enter or escape is pressed.
 181                                 switch (evt.getKeyCode()) {
 182                                         case KeyCodes.KEY_ENTER:
 183                                                 GSS.get().authenticateUser();
 184                                                 hide();
 185                                                 break;
 186                                         case KeyCodes.KEY_ESCAPE:
 187                                                 hide();
 188                                                 break;
 189                                 }
 190                 }
 191
 192         }
 193
 194         /**
 195          * The widget constructor.
 196          */
 197         public CredentialsDialog(final MessagePanel.Images images) {
 198                 // Set the dialog's caption.
 199                 setText("User Credentials");
 200                 setAnimationEnabled(true);
 201                 // A VerticalPanel that contains the 'about' label and the 'OK' button.
 202                 VerticalPanel outer = new VerticalPanel();
 203                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 204                 String service = conf.serviceName();
 205                 // Create the text and set a style name so we can style it with CSS.
 206                 HTML text = new HTML("<p>These are the user credentials that are " +
 207                                 "required for interacting with " + service + ".");
 208                 text.setStyleName("pithos-AboutText");
 209                 text.setWidth(WIDTH_TEXT);
 210                 outer.add(text);
 211                 FlexTable table = new FlexTable();
 212                 table.setText(0, 0, "Username");
 213                 table.setText(1, 0, "Token");
 214                 TextBox username = new TextBox();
 215                 final GSS app = GSS.get();
 216                 username.setText(app.getCurrentUserResource().getUsername());
 217                 username.setReadOnly(true);
 218                 username.setWidth(WIDTH_FIELD);
 219                 username.addClickHandler(new ClickHandler() {
 220                         @Override
 221                         public void onClick(ClickEvent event) {
 222                                 GSS.enableIESelection();
 223                                 ((TextBox) event.getSource()).selectAll();
 224                                 GSS.preventIESelection();
 225                         }
 226
 227                 });
 228                 table.setWidget(0, 1, username);
 229
 230                 TextBox tokenBox = new TextBox();
 231                 tokenBox.setText(app.getToken());
 232                 tokenBox.setReadOnly(true);
 233                 tokenBox.setWidth(WIDTH_FIELD);
 234                 tokenBox.addClickHandler(new ClickHandler() {
 235                         @Override
 236                         public void onClick(ClickEvent event) {
 237                                 GSS.enableIESelection();
 238                                 ((TextBox) event.getSource()).selectAll();
 239                                 GSS.preventIESelection();
 240                         }
 241
 242                 });
 243                 table.setWidget(1, 1, tokenBox);
 244
 245                 table.getFlexCellFormatter().setStyleName(0, 0, "props-labels");
 246                 table.getFlexCellFormatter().setStyleName(0, 1, "props-values");
 247                 table.getFlexCellFormatter().setStyleName(1, 0, "props-labels");
 248                 table.getFlexCellFormatter().setStyleName(1, 1, "props-values");
 249                 outer.add(table);
 250
 251                 // Create the 'OK' button, along with a listener that hides the dialog
 252                 // when the button is clicked.
 253                 Button confirm = new Button("Close", new ClickHandler() {
 254                         @Override
 255                         public void onClick(ClickEvent event) {
 256                                 hide();
 257                         }
 258                 });
 259                 outer.add(confirm);
 260                 outer.setCellHorizontalAlignment(confirm, HasHorizontalAlignment.ALIGN_CENTER);
 261
 262                 // Create the 'Reset password' button, along with a listener that hides
 263                 // the dialog when the button is clicked.
 264                 Button resetPassword = new Button("Reset Password", new ClickHandler() {
 265                         @Override
 266                         public void onClick(ClickEvent event) {
 267                                 ConfirmResetPasswordDialog dlg = new ConfirmResetPasswordDialog(images);
 268                                 dlg.center();
 269                         }
 270                 });
 271                 outer.add(resetPassword);
 272                 outer.setCellHorizontalAlignment(resetPassword, HasHorizontalAlignment.ALIGN_CENTER);
 273
 274                 outer.setSpacing(8);
 275                 setWidget(outer);
 276         }
 277
 278         @Override
 279         protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 280                 super.onPreviewNativeEvent(preview);
 281                 NativeEvent evt = preview.getNativeEvent();
 282                 if (evt.getType().equals("keydown"))
 283                         // Use the popup's key preview hooks to close the dialog when
 284                         // either enter or escape is pressed.
 285                         switch (evt.getKeyCode()) {
 286                                 case KeyCodes.KEY_ENTER:
 287                                 case KeyCodes.KEY_ESCAPE:
 288                                         hide();
 289                                         break;
 290                         }
 291         }
 292
 293
 294         /**
 295          * Generate an RPC request to reset WebDAV password.
 296          *
 297          */
 298         private void resetPassword(String userUri) {
 299
 300                 if (userUri == null || userUri.length() == 0) {
 301                         GSS.get().displayError("Empty user Uri!");
 302                         return;
 303                 }
 304                 GWT.log("resetPassword(" + userUri + ")", null);
 305                 PostCommand cg = new PostCommand(userUri + "?resetWebDAV", "", 200) {
 306
 307                         @Override
 308                         public void onComplete() {
 309                                 ReauthenticateDialog dlg = new ReauthenticateDialog();
 310                                 dlg.center();
 311                         }
 312
 313                         @Override
 314                         public void onError(Throwable t) {
 315                                 GWT.log("", t);
 316                                 if(t instanceof RestException){
 317                                         int statusCode = ((RestException)t).getHttpStatusCode();
 318                                         if(statusCode == 405)
 319                                                 GSS.get().displayError("You don't have the necessary" +
 320                                                                 " permissions");
 321                                         else if(statusCode == 404)
 322                                                 GSS.get().displayError("Resource does not exist");
 323                                         else
 324                                                 GSS.get().displayError("Unable to reset password:" +
 325                                                                         ((RestException)t).getHttpStatusText());
 326                                 }
 327                                 else
 328                                         GSS.get().displayError("System error resetting password:" +
 329                                                                 t.getMessage());
 330                         }
 331                 };
 332                 DeferredCommand.addCommand(cg);
 333         }
 334
 335 }