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         public 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         /**
 120          * The widget constructor.
 121          */
 122         public CredentialsDialog(final MessagePanel.Images images) {
 123                 // Set the dialog's caption.
 124                 setText("User Credentials");
 125                 setAnimationEnabled(true);
 126                 // Create a VerticalPanel to contain the 'about' label and the 'OK'
 127                 // button.
 128                 VerticalPanel outer = new VerticalPanel();
 129                 Configuration conf = (Configuration) GWT.create(Configuration.class);
 130                 String service = conf.serviceName();
 131                 String webdavUrl = conf.serviceHome() + conf.webdavUrl();
 132                 String tokenNote = conf.tokenTTLNote();
 133                 // Create the text and set a style name so we can style it with CSS.
 134                 HTML text = new HTML("<p>These are the user credentials that are required " +
 135                                 "for interacting with " + service + ". " +
 136                                 "You can copy and paste the username and password in the WebDAV client" +
 137                                 " in order to use " + service + " through the WebDAV interface, at:<br/> " +
 138                                 webdavUrl +
 139                                 "<br/>" + tokenNote + "</p>");
 140                 text.setStyleName("gss-AboutText");
 141                 text.setWidth(WIDTH_TEXT);
 142                 outer.add(text);
 143                 FlexTable table = new FlexTable();
 144                 table.setText(0, 0, "Username");
 145                 table.setText(1, 0, "Password");
 146                 table.setText(2, 0, "Token");
 147                 TextBox username = new TextBox();
 148                 final GSS app = GSS.get();
 149                 username.setText(app.getCurrentUserResource().getUsername());
 150                 username.setReadOnly(true);
 151                 username.setWidth(WIDTH_FIELD);
 152                 username.addClickListener(new ClickListener () {
 153
 154                         public void onClick(Widget sender) {
 155                                 GSS.enableIESelection();
 156                                 ((TextBox) sender).selectAll();
 157                                 GSS.preventIESelection();
 158                         }
 159
 160                 });
 161                 table.setWidget(0, 1, username);
 162                 passwordBox = new TextBox();
 163                 passwordBox.setText(app.getWebDAVPassword());
 164                 passwordBox.setReadOnly(true);
 165                 passwordBox.setWidth(WIDTH_FIELD);
 166                 passwordBox.addClickListener(new ClickListener () {
 167
 168                         public void onClick(Widget sender) {
 169                                 GSS.enableIESelection();
 170                                 ((TextBox) sender).selectAll();
 171                                 GSS.preventIESelection();
 172                         }
 173
 174                 });
 175                 table.setWidget(1, 1, passwordBox);
 176
 177                 TextBox tokenBox = new TextBox();
 178                 tokenBox.setText(app.getToken());
 179                 tokenBox.setReadOnly(true);
 180                 tokenBox.setWidth(WIDTH_FIELD);
 181                 tokenBox.addClickListener(new ClickListener () {
 182
 183                         public void onClick(Widget sender) {
 184                                 GSS.enableIESelection();
 185                                 ((TextBox) sender).selectAll();
 186                                 GSS.preventIESelection();
 187                         }
 188
 189                 });
 190                 table.setWidget(2, 1, tokenBox);
 191
 192                 table.getFlexCellFormatter().setStyleName(0, 0, "props-labels");
 193                 table.getFlexCellFormatter().setStyleName(0, 1, "props-values");
 194                 table.getFlexCellFormatter().setStyleName(1, 0, "props-labels");
 195                 table.getFlexCellFormatter().setStyleName(1, 1, "props-values");
 196                 table.getFlexCellFormatter().setStyleName(2, 0, "props-labels");
 197                 table.getFlexCellFormatter().setStyleName(2, 1, "props-values");
 198                 outer.add(table);
 199
 200                 // Create the 'OK' button, along with a listener that hides the dialog
 201                 // when the button is clicked.
 202                 Button confirm = new Button("Close", new ClickListener() {
 203
 204                         public void onClick(Widget sender) {
 205                                 hide();
 206                         }
 207                 });
 208                 outer.add(confirm);
 209                 outer.setCellHorizontalAlignment(confirm, HasHorizontalAlignment.ALIGN_CENTER);
 210
 211                 // Create the 'Reset password' button, along with a listener that hides the dialog
 212                 // when the button is clicked.
 213                 Button resetPassword = new Button("Reset Password", new ClickListener() {
 214
 215                         public void onClick(Widget sender) {
 216                                 ConfirmResetPasswordDialog dlg = new ConfirmResetPasswordDialog(images);
 217                                 dlg.center();
 218                         }
 219                 });
 220                 outer.add(resetPassword);
 221                 outer.setCellHorizontalAlignment(resetPassword, HasHorizontalAlignment.ALIGN_CENTER);
 222
 223                 outer.setSpacing(8);
 224                 setWidget(outer);
 225         }
 226
 227         @Override
 228         public boolean onKeyDownPreview(char key, int modifiers) {
 229                 // Use the popup's key preview hooks to close the dialog when either
 230                 // enter or escape is pressed.
 231                 switch (key) {
 232                         case KeyboardListener.KEY_ENTER:
 233                         case KeyboardListener.KEY_ESCAPE:
 234                                 hide();
 235                                 break;
 236                 }
 237                 return true;
 238         }
 239
 240
 241         /**
 242          * Generate an RPC request to reset WebDAV password.
 243          *
 244          * @param userId the Uri of the user whose password will be reset
 245          */
 246         private void resetPassword(String userUri) {
 247
 248                 if (userUri == null || userUri.length() == 0) {
 249                         GSS.get().displayError("Empty user Uri!");
 250                         return;
 251                 }
 252                 GWT.log("resetPassword(" + userUri + ")", null);
 253                 PostCommand cg = new PostCommand(userUri + "users?resetWebDAV", "", 200) {
 254
 255                         @Override
 256                         public void onComplete() {
 257                                 GSS.get().refreshWebDAVPassword();
 258                                 passwordBox.setText(GSS.get().getWebDAVPassword());
 259                         }
 260
 261                         @Override
 262                         public void onError(Throwable t) {
 263                                 GWT.log("", t);
 264                                 if(t instanceof RestException){
 265                                         int statusCode = ((RestException)t).getHttpStatusCode();
 266                                         if(statusCode == 405)
 267                                                 GSS.get().displayError("You don't have the necessary permissions");
 268                                         else if(statusCode == 404)
 269                                                 GSS.get().displayError("Resource does not exist");
 270                                         else
 271                                                 GSS.get().displayError("Unable to reset password:"+((RestException)t).getHttpStatusText());
 272                                 }
 273                                 else
 274                                         GSS.get().displayError("System error resetting password:"+t.getMessage());
 275                         }
 276                 };
 277                 DeferredCommand.addCommand(cg);
 278
 279         }
 280
 281 }