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

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