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