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.GetCommand;
  22 import gr.ebs.gss.client.rest.RestException;
  23 import gr.ebs.gss.client.rest.resource.UserResource;
  24
  25 import com.google.gwt.core.client.GWT;
  26 import com.google.gwt.user.client.DeferredCommand;
  27 import com.google.gwt.user.client.ui.Button;
  28 import com.google.gwt.user.client.ui.ClickListener;
  29 import com.google.gwt.user.client.ui.DialogBox;
  30 import com.google.gwt.user.client.ui.FlexTable;
  31 import com.google.gwt.user.client.ui.HTML;
  32 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  33 import com.google.gwt.user.client.ui.HorizontalPanel;
  34 import com.google.gwt.user.client.ui.KeyboardListener;
  35 import com.google.gwt.user.client.ui.TextBox;
  36 import com.google.gwt.user.client.ui.VerticalPanel;
  37 import com.google.gwt.user.client.ui.Widget;
  38
  39
  40 /**
  41  * A dialog box that displays the user credentials for use in other client
  42  * applications, such as WebDAV clients.
  43  *
  44  * @author kman
  45  */
  46 public class CredentialsDialog extends DialogBox {
  47
  48         private final String WIDTH_FIELD = "35em";
  49         private final String WIDTH_TEXT = "42em";
  50
  51         private TextBox passwordBox;
  52
  53         /**
  54          * The 'confirm reset password' dialog box.
  55          */
  56         public class ConfirmResetPasswordDialog extends DialogBox {
  57
  58                 /**
  59                  * The widget's constructor.
  60                  *
  61                  * @param images the supplied images
  62                  */
  63                 private ConfirmResetPasswordDialog(MessagePanel.Images images) {
  64                         // Set the dialog's caption.
  65                         setText("Confirmation");
  66                         setAnimationEnabled(true);
  67                         // Create a VerticalPanel to contain the label and the buttons.
  68                         VerticalPanel outer = new VerticalPanel();
  69                         HorizontalPanel buttons = new HorizontalPanel();
  70
  71                         HTML text;
  72                         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>");
  73                         text.setStyleName("gss-warnMessage");
  74                         outer.add(text);
  75
  76                         // Create the 'Yes' button, along with a listener that hides the dialog
  77                         // when the button is clicked and resets the password.
  78                         Button ok = new Button("Yes", new ClickListener() {
  79                                 public void onClick(Widget sender) {
  80                                         resetPassword(GSS.get().getCurrentUserResource().getUri());
  81                                         hide();
  82                                 }
  83                         });
  84                         buttons.add(ok);
  85                         buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);
  86                         // Create the 'No' button, along with a listener that hides the
  87                         // dialog when the button is clicked.
  88                         Button cancel = new Button("No", new ClickListener() {
  89                                 public void onClick(Widget sender) {
  90                                         hide();
  91                                 }
  92                         });
  93                         buttons.add(cancel);
  94                         buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);
  95                         buttons.setSpacing(8);
  96                         buttons.setStyleName("gss-warnMessage");
  97                         outer.setStyleName("gss-warnMessage");
  98                         outer.add(buttons);
  99                         outer.setCellHorizontalAlignment(text, HasHorizontalAlignment.ALIGN_CENTER);
 100                         outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);
 101                         setWidget(outer);
 102                 }
 103
 104
 105                 @Override
 106                 public boolean onKeyDownPreview(final char key, final int modifiers) {
 107                         // Use the popup's key preview hooks to close the dialog when
 108                         // escape is pressed.
 109                         switch (key) {
 110                                 case KeyboardListener.KEY_ESCAPE:
 111                                         hide();
 112                                         break;
 113                         }
 114
 115                         return true;
 116                 }
 117
 118         }
 119
 120         /**
 121          * The widget constructor.
 122          */
 123         public CredentialsDialog(final MessagePanel.Images images) {
 124                 // Set the dialog's caption.
 125                 setText("User Credentials");
 126                 setAnimationEnabled(true);
 127                 // Create a VerticalPanel to contain the 'about' label and the 'OK'
 128                 // button.
 129                 VerticalPanel outer = new VerticalPanel();
 130                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 131                 String service = conf.serviceName();
 132                 String webdavUrl = conf.serviceHome() + conf.webdavUrl();
 133                 String tokenNote = conf.tokenTTLNote();
 134                 // Create the text and set a style name so we can style it with CSS.
 135                 HTML text = new HTML("<p>These are the user credentials that are required " +
 136                                 "for interacting with " + service + ". " +
 137                                 "You can copy and paste the username and password in the WebDAV client" +
 138                                 " in order to use " + service + " through the WebDAV interface, at:<br/> " +
 139                                 webdavUrl +
 140                                 "<br/>" + tokenNote + "</p>");
 141                 text.setStyleName("gss-AboutText");
 142                 text.setWidth(WIDTH_TEXT);
 143                 outer.add(text);
 144                 FlexTable table = new FlexTable();
 145                 table.setText(0, 0, "Username");
 146                 table.setText(1, 0, "Password");
 147                 table.setText(2, 0, "Token");
 148                 TextBox username = new TextBox();
 149                 final GSS app = GSS.get();
 150                 username.setText(app.getCurrentUserResource().getUsername());
 151                 username.setReadOnly(true);
 152                 username.setWidth(WIDTH_FIELD);
 153                 username.addClickListener(new ClickListener () {
 154
 155                         public void onClick(Widget sender) {
 156                                 GSS.enableIESelection();
 157                                 ((TextBox) sender).selectAll();
 158                                 GSS.preventIESelection();
 159                         }
 160
 161                 });
 162                 table.setWidget(0, 1, username);
 163                 passwordBox = new TextBox();
 164                 passwordBox.setText(app.getWebDAVPassword());
 165                 passwordBox.setReadOnly(true);
 166                 passwordBox.setWidth(WIDTH_FIELD);
 167                 passwordBox.addClickListener(new ClickListener () {
 168
 169                         public void onClick(Widget sender) {
 170                                 GSS.enableIESelection();
 171                                 ((TextBox) sender).selectAll();
 172                                 GSS.preventIESelection();
 173                         }
 174
 175                 });
 176                 table.setWidget(1, 1, passwordBox);
 177
 178                 TextBox tokenBox = new TextBox();
 179                 tokenBox.setText(app.getToken());
 180                 tokenBox.setReadOnly(true);
 181                 tokenBox.setWidth(WIDTH_FIELD);
 182                 tokenBox.addClickListener(new ClickListener () {
 183
 184                         public void onClick(Widget sender) {
 185                                 GSS.enableIESelection();
 186                                 ((TextBox) sender).selectAll();
 187                                 GSS.preventIESelection();
 188                         }
 189
 190                 });
 191                 table.setWidget(2, 1, tokenBox);
 192
 193                 table.getFlexCellFormatter().setStyleName(0, 0, "props-labels");
 194                 table.getFlexCellFormatter().setStyleName(0, 1, "props-values");
 195                 table.getFlexCellFormatter().setStyleName(1, 0, "props-labels");
 196                 table.getFlexCellFormatter().setStyleName(1, 1, "props-values");
 197                 table.getFlexCellFormatter().setStyleName(2, 0, "props-labels");
 198                 table.getFlexCellFormatter().setStyleName(2, 1, "props-values");
 199                 outer.add(table);
 200
 201                 // Create the 'OK' button, along with a listener that hides the dialog
 202                 // when the button is clicked.
 203                 Button confirm = new Button("Close", new ClickListener() {
 204
 205                         public void onClick(Widget sender) {
 206                                 hide();
 207                         }
 208                 });
 209                 outer.add(confirm);
 210                 outer.setCellHorizontalAlignment(confirm, HasHorizontalAlignment.ALIGN_CENTER);
 211
 212                 // Create the 'Reset password' button, along with a listener that hides the dialog
 213                 // when the button is clicked.
 214                 Button resetPassword = new Button("Reset Password", new ClickListener() {
 215
 216                         public void onClick(Widget sender) {
 217                                 ConfirmResetPasswordDialog dlg = new ConfirmResetPasswordDialog(images);
 218                                 dlg.center();
 219                         }
 220                 });
 221                 outer.add(resetPassword);
 222                 outer.setCellHorizontalAlignment(resetPassword, HasHorizontalAlignment.ALIGN_CENTER);
 223
 224                 outer.setSpacing(8);
 225                 setWidget(outer);
 226         }
 227
 228         @Override
 229         public boolean onKeyDownPreview(char key, int modifiers) {
 230                 // Use the popup's key preview hooks to close the dialog when either
 231                 // enter or escape is pressed.
 232                 switch (key) {
 233                         case KeyboardListener.KEY_ENTER:
 234                         case KeyboardListener.KEY_ESCAPE:
 235                                 hide();
 236                                 break;
 237                 }
 238                 return true;
 239         }
 240
 241
 242         /**
 243          * Generate an RPC request to reset WebDAV password.
 244          *
 245          * @param userId the Uri of the user whose password will be reset
 246          */
 247         private void resetPassword(String userUri) {
 248
 249                 if (userUri == null || userUri.length() == 0) {
 250                         GSS.get().displayError("Empty user Uri!");
 251                         return;
 252                 }
 253                 GWT.log("resetPassword(" + userUri + ")", null);
 254                 GetCommand cg = new GetCommand(UserResource.class, userUri + "?resetWebDAV"){
 255
 256                         @Override
 257                         public void onComplete() {
 258                                 GSS.get().refreshWebDAVPassword();
 259                                 passwordBox.setText(GSS.get().getWebDAVPassword());
 260                         }
 261
 262                         @Override
 263                         public void onError(Throwable t) {
 264                                 GWT.log("", t);
 265                                 if(t instanceof RestException){
 266                                         int statusCode = ((RestException)t).getHttpStatusCode();
 267                                         if(statusCode == 405)
 268                                                 GSS.get().displayError("You don't have the necessary permissions");
 269                                         else if(statusCode == 404)
 270                                                 GSS.get().displayError("Resource does not exist");
 271                                         else
 272                                                 GSS.get().displayError("Unable to reset password:"+((RestException)t).getHttpStatusText());
 273                                 }
 274                                 else
 275                                         GSS.get().displayError("System error resetting password:"+t.getMessage());
 276                         }
 277                 };
 278                 DeferredCommand.addCommand(cg);
 279
 280         }
 281
 282 }