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