mcs/class/System.Web/System.Web.UI.WebControls/Login.cs

   1 //
   2 // System.Web.UI.WebControls.Login class
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //  Konstantin Triger  <kostat@mainsoft.com>
   7 //
   8 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 #if NET_2_0
  31
  32 using System.Collections;
  33 using System.Globalization;
  34 using System.ComponentModel;
  35 using System.Security.Permissions;
  36 using System.Web.Security;
  37
  38 namespace System.Web.UI.WebControls {
  39
  40         // CAS
  41         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  42         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  43         // attributes
  44         [Bindable (false)]
  45         [DefaultEvent ("Authenticate")]
  46         [Designer ("System.Web.UI.Design.WebControls.LoginDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
  47         public class Login : CompositeControl {
  48
  49                 #region LoginContainer
  50
  51                 sealed class LoginContainer : Table
  52                 {
  53                         private readonly Login _owner = null;
  54                         TableCell _containerCell = null;
  55
  56                         public LoginContainer (Login owner)
  57                         {
  58                                 _owner = owner;
  59                                 InitTable ();
  60                                 ID = _owner.ID;
  61                         }
  62
  63                         public void InstantiateTemplate (ITemplate template)
  64                         {
  65                                 template.InstantiateIn (_containerCell);
  66                         }
  67
  68                         private void InitTable ()
  69                         {
  70                                 CellSpacing = 0;
  71                                 CellPadding = _owner.BorderPadding;
  72
  73                                 _containerCell = new TableCell ();
  74
  75                                 TableRow row = new TableRow ();
  76                                 row.Cells.Add (_containerCell);
  77                                 Rows.Add (row);
  78                         }
  79
  80                         protected internal override void OnPreRender (EventArgs e)
  81                         {
  82                                 ApplyStyle (_owner.ControlStyle);
  83                                 base.OnPreRender (e);
  84                         }
  85
  86                         public Control UserNameTextBox {
  87                                 get {
  88                                         return FindControl("UserName");
  89                                 }
  90                         }
  91
  92                         public Control PasswordTextBox {
  93                                 get {
  94                                         return FindControl("Password");
  95                                 }
  96                         }
  97
  98                         public Control RememberMeCheckBox {
  99                                 get {
 100                                         return FindControl("RememberMe");
 101                                 }
 102                         }
 103
 104                         public ITextControl FailureTextLiteral
 105                         {
 106                                 get {
 107                                         return FindControl ("FailureText") as ITextControl;
 108                                 }
 109                         }
 110                 }
 111
 112                 #endregion
 113
 114                 #region LoginTemplate
 115
 116                 sealed class LoginTemplate : WebControl, ITemplate
 117                 {
 118                         readonly Login _login;
 119
 120                         public LoginTemplate (Login login)
 121                         {
 122                                 _login = login;
 123                         }
 124
 125                         void ITemplate.InstantiateIn (Control container)
 126                         {
 127                                 //
 128                                 LiteralControl TitleText = new LiteralControl (_login.TitleText);
 129
 130                                 //
 131                                 LiteralControl InstructionText = new LiteralControl (_login.InstructionText);
 132
 133                                 //
 134                                 TextBox UserName = new TextBox ();
 135                                 UserName.ID = "UserName";
 136                                 UserName.Text = _login.UserName;
 137                                 _login.RegisterApplyStyle (UserName, _login.TextBoxStyle);
 138
 139                                 Label UserNameLabel = new Label ();
 140                                 UserNameLabel.ID = "UserNameLabel";
 141                                 UserNameLabel.AssociatedControlID = "UserName";
 142                                 UserNameLabel.Text = _login.UserNameLabelText;
 143
 144                                 RequiredFieldValidator UserNameRequired = new RequiredFieldValidator ();
 145                                 UserNameRequired.ID = "UserNameRequired";
 146                                 UserNameRequired.ControlToValidate = "UserName";
 147                                 UserNameRequired.ErrorMessage = _login.UserNameRequiredErrorMessage;
 148                                 UserNameRequired.ToolTip = _login.UserNameRequiredErrorMessage;
 149                                 UserNameRequired.Text = "*";
 150                                 UserNameRequired.ValidationGroup = _login.ID;
 151                                 _login.RegisterApplyStyle (UserNameRequired, _login.ValidatorTextStyle);
 152
 153                                 //
 154                                 TextBox Password = new TextBox ();
 155                                 Password.ID = "Password";
 156                                 Password.TextMode = TextBoxMode.Password;
 157                                 _login.RegisterApplyStyle (Password, _login.TextBoxStyle);
 158
 159                                 Label PasswordLabel = new Label ();
 160                                 PasswordLabel.ID = "PasswordLabel";
 161                                 PasswordLabel.AssociatedControlID = "PasswordLabel";
 162                                 PasswordLabel.Text = _login.PasswordLabelText;
 163
 164                                 RequiredFieldValidator PasswordRequired = new RequiredFieldValidator ();
 165                                 PasswordRequired.ID = "PasswordRequired";
 166                                 PasswordRequired.ControlToValidate = "Password";
 167                                 PasswordRequired.ErrorMessage = _login.PasswordRequiredErrorMessage;
 168                                 PasswordRequired.ToolTip = _login.PasswordRequiredErrorMessage;
 169                                 PasswordRequired.Text = "*";
 170                                 PasswordRequired.ValidationGroup = _login.ID;
 171                                 _login.RegisterApplyStyle (PasswordRequired, _login.ValidatorTextStyle);
 172
 173                                 //
 174                                 CheckBox RememberMe = new CheckBox ();
 175                                 RememberMe.ID = "RememberMe";
 176                                 RememberMe.Checked = _login.RememberMeSet;
 177                                 RememberMe.Text = _login.RememberMeText;
 178                                 _login.RegisterApplyStyle (RememberMe, _login.CheckBoxStyle);
 179
 180                                 // TODO: Error text
 181                                 Literal FailureText = new Literal ();
 182                                 FailureText.ID = "FailureText";
 183                                 FailureText.EnableViewState = false;
 184
 185                                 //
 186                                 WebControl LoginButton = null;
 187                                 switch (_login.LoginButtonType) {
 188                                         case ButtonType.Button:
 189                                                 LoginButton = new Button ();
 190                                                 LoginButton.ID = "LoginButton";
 191                                                 break;
 192                                         case ButtonType.Link:
 193                                                 LoginButton = new LinkButton ();
 194                                                 LoginButton.ID = "LoginLinkButton";
 195                                                 break;
 196                                         case ButtonType.Image:
 197                                                 LoginButton = new ImageButton ();
 198                                                 LoginButton.ID = "LoginImageButton";
 199                                                 break;
 200                                 }
 201                                 _login.RegisterApplyStyle (LoginButton, _login.LoginButtonStyle);
 202                                 LoginButton.ID = "LoginButton";
 203                                 ((IButtonControl) LoginButton).Text = _login.LoginButtonText;
 204                                 ((IButtonControl) LoginButton).CommandName = Login.LoginButtonCommandName;
 205                                 ((IButtonControl) LoginButton).Command += new CommandEventHandler (_login.LoginClick);
 206                                 ((IButtonControl) LoginButton).ValidationGroup = _login.ID;
 207
 208                                 // Create layout table
 209                                 Table table = new Table ();
 210                                 table.CellPadding = 0;
 211
 212                                 // Title row
 213                                 table.Rows.Add (
 214                                         CreateRow (
 215                                         CreateCell (TitleText, null, _login.TitleTextStyle, HorizontalAlign.Center)));
 216
 217                                 // Instruction row
 218                                 if (_login.InstructionText.Length > 0) {
 219                                         table.Rows.Add (
 220                                                 CreateRow (
 221                                                 CreateCell (InstructionText, null, _login.instructionTextStyle, HorizontalAlign.Center)));
 222                                 }
 223
 224                                 if (_login.Orientation == Orientation.Horizontal) {
 225                                         // Main row
 226                                         TableRow row1 = new TableRow ();
 227                                         TableRow row2 = new TableRow ();
 228                                         if (_login.TextLayout == LoginTextLayout.TextOnTop)
 229                                                 row1.Cells.Add (CreateCell (UserNameLabel, null, _login.LabelStyle));
 230                                         else
 231                                                 row2.Cells.Add (CreateCell (UserNameLabel, null, _login.LabelStyle));
 232                                         row2.Cells.Add (CreateCell (UserName, UserNameRequired, null));
 233                                         if (_login.TextLayout == LoginTextLayout.TextOnTop)
 234                                                 row1.Cells.Add (CreateCell (PasswordLabel, null, _login.LabelStyle));
 235                                         else
 236                                                 row2.Cells.Add (CreateCell (PasswordLabel, null, _login.LabelStyle));
 237                                         row2.Cells.Add (CreateCell (Password, PasswordRequired, null));
 238                                         row2.Cells.Add (CreateCell (RememberMe, null, null));
 239                                         row2.Cells.Add (CreateCell (LoginButton, null, null));
 240                                         if (row1.Cells.Count > 0)
 241                                                 table.Rows.Add (row1);
 242                                         table.Rows.Add (row2);
 243                                 }
 244                                 else { // Orientation.Vertical
 245                                         if (_login.TextLayout == LoginTextLayout.TextOnLeft)
 246                                                 table.Rows.Add (CreateRow (UserNameLabel, UserName, UserNameRequired, _login.LabelStyle));
 247                                         else {
 248                                                 table.Rows.Add (CreateRow (UserNameLabel, null, null, _login.LabelStyle));
 249                                                 table.Rows.Add (CreateRow (null, UserName, UserNameRequired, null));
 250                                         }
 251                                         if (_login.TextLayout == LoginTextLayout.TextOnLeft)
 252                                                 table.Rows.Add (CreateRow (PasswordLabel, Password, PasswordRequired, _login.LabelStyle));
 253                                         else {
 254                                                 table.Rows.Add (CreateRow (PasswordLabel, null, null, _login.LabelStyle));
 255                                                 table.Rows.Add (CreateRow (null, Password, PasswordRequired, null));
 256                                         }
 257                                         table.Rows.Add (CreateRow (CreateCell (RememberMe, null, null)));
 258                                         table.Rows.Add (CreateRow (CreateCell (LoginButton, null, null, HorizontalAlign.Right)));
 259                                 }
 260
 261                                 // Error message row
 262                                 if (_login.FailureTextStyle.ForeColor.IsEmpty)
 263                                         _login.FailureTextStyle.ForeColor = System.Drawing.Color.Red;
 264
 265                                 table.Rows.Add (
 266                                         CreateRow (
 267                                         CreateCell (FailureText, null, _login.FailureTextStyle)));
 268
 269                                 // Links row
 270                                 TableCell linksCell = new TableCell ();
 271                                 _login.RegisterApplyStyle (linksCell, _login.HyperLinkStyle);
 272
 273                                 if (AddLink (_login.CreateUserUrl, _login.CreateUserText, _login.CreateUserIconUrl, linksCell, _login.HyperLinkStyle))
 274                                         if (_login.Orientation == Orientation.Vertical)
 275                                                 linksCell.Controls.Add (new LiteralControl ("<br/>"));
 276                                         else
 277                                                 linksCell.Controls.Add (new LiteralControl (" "));
 278
 279                                 if (AddLink (_login.PasswordRecoveryUrl, _login.PasswordRecoveryText, _login.PasswordRecoveryIconUrl, linksCell, _login.HyperLinkStyle))
 280                                         if (_login.Orientation == Orientation.Vertical)
 281                                                 linksCell.Controls.Add (new LiteralControl ("<br/>"));
 282                                         else
 283                                                 linksCell.Controls.Add (new LiteralControl (" "));
 284
 285                                 AddLink (_login.HelpPageUrl, _login.HelpPageText, _login.HelpPageIconUrl, linksCell, _login.HyperLinkStyle);
 286                                 table.Rows.Add (CreateRow (linksCell));
 287
 288                                 FixTableColumnSpans (table);
 289                                 container.Controls.Add (table);
 290                         }
 291
 292                         private TableRow CreateRow (TableCell cell)
 293                         {
 294                                 TableRow row = new TableRow ();
 295                                 row.Cells.Add (cell);
 296                                 return row;
 297                         }
 298
 299                         TableRow CreateRow (Control c0, Control c1, Control c2, Style s)
 300                         {
 301                                 TableRow row = new TableRow ();
 302                                 TableCell cell0 = new TableCell ();
 303                                 TableCell cell1 = new TableCell ();
 304
 305                                 if (c0 != null) {
 306                                         cell0.Controls.Add (c0);
 307                                         row.Controls.Add (cell0);
 308                                 }
 309
 310                                 if (s != null)
 311                                         cell0.ApplyStyle (s);
 312
 313                                 if ((c1 != null) && (c2 != null)) {
 314                                         cell1.Controls.Add (c1);
 315                                         cell1.Controls.Add (c2);
 316                                         cell0.HorizontalAlign = HorizontalAlign.Right;
 317                                         row.Controls.Add (cell1);
 318                                 }
 319                                 return row;
 320                         }
 321
 322                         private TableCell CreateCell (Control c0, Control c1, Style s, HorizontalAlign align)
 323                         {
 324                                 TableCell cell = CreateCell (c0, c1, s);
 325                                 cell.HorizontalAlign = align;
 326                                 return cell;
 327                         }
 328
 329                         private TableCell CreateCell (Control c0, Control c1, Style s)
 330                         {
 331                                 TableCell cell = new TableCell ();
 332                                 if (s != null)
 333                                         cell.ApplyStyle (s);
 334
 335                                 cell.Controls.Add (c0);
 336                                 if (c1 != null)
 337                                         cell.Controls.Add (c1);
 338
 339                                 return cell;
 340                         }
 341
 342                         bool AddLink (string pageUrl, string linkText, string linkIcon, WebControl container, Style style)
 343                         {
 344                                 bool added = false;
 345                                 if (linkIcon.Length > 0) {
 346                                         Image img = new Image ();
 347                                         img.ImageUrl = linkIcon;
 348                                         container.Controls.Add (img);
 349                                         added = true;
 350                                 }
 351                                 if (linkText.Length > 0) {
 352                                         HyperLink link = new HyperLink ();
 353                                         link.NavigateUrl = pageUrl;
 354                                         link.Text = linkText;
 355                                         _login.RegisterApplyStyle (link, style);
 356                                         container.Controls.Add (link);
 357                                         added = true;
 358                                 }
 359                                 return added;
 360                         }
 361
 362                         void FixTableColumnSpans (Table table)
 363                         {
 364                                 int maxCols = 0;
 365                                 for (int row = 0; row < table.Rows.Count; row++) {
 366                                         if (maxCols < table.Rows [row].Cells.Count)
 367                                                 maxCols = table.Rows [row].Cells.Count;
 368                                 }
 369                                 for (int row = 0; row < table.Rows.Count; row++) {
 370                                         if (table.Rows [row].Cells.Count == 1 && maxCols > 1)
 371                                                         table.Rows [row].Cells [0].ColumnSpan = maxCols;
 372                                 }
 373                         }
 374                 }
 375
 376                 #endregion
 377
 378                 public static readonly string LoginButtonCommandName = "Login";
 379
 380                 private static readonly object authenticateEvent = new object ();
 381                 private static readonly object loggedInEvent = new object ();
 382                 private static readonly object loggingInEvent = new object ();
 383                 private static readonly object loginErrorEvent = new object ();
 384
 385                 private TableItemStyle checkBoxStyle;
 386                 private TableItemStyle failureTextStyle;
 387                 private TableItemStyle hyperLinkStyle;
 388                 private TableItemStyle instructionTextStyle;
 389                 private TableItemStyle labelStyle;
 390                 private Style logonButtonStyle;
 391                 private Style textBoxStyle;
 392                 private TableItemStyle titleTextStyle;
 393                 private Style validatorTextStyle;
 394                 private ArrayList styles = new ArrayList ();
 395
 396                 private ITemplate layoutTemplate;
 397                 private LoginContainer container;
 398
 399                 private string _password;
 400
 401
 402
 403                 public Login ()
 404                 {
 405                 }
 406
 407                 [DefaultValue (1)]
 408                 public virtual int BorderPadding {
 409                         get {
 410                                 object o = ViewState ["BorderPadding"];
 411                                 return (o == null) ? 1 : (int) o;
 412                         }
 413                         set {
 414                                 if (value < -1)
 415                                         throw new ArgumentOutOfRangeException ("BorderPadding", "< -1");
 416                                 else
 417                                         ViewState ["BorderPadding"] = value;
 418                         }
 419                 }
 420
 421                 [DefaultValue (null)]
 422                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 423                 [NotifyParentProperty (true)]
 424                 [PersistenceMode (PersistenceMode.InnerProperty)]
 425                 public TableItemStyle CheckBoxStyle {
 426                         get {
 427                                 if (checkBoxStyle == null) {
 428                                         checkBoxStyle = new TableItemStyle ();
 429                                         if (IsTrackingViewState) {
 430                                                 (checkBoxStyle as IStateManager).TrackViewState ();
 431                                         }
 432                                 }
 433                                 return checkBoxStyle;
 434                         }
 435                 }
 436
 437                 [DefaultValue ("")]
 438                 [Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 439                 [UrlProperty]
 440                 public virtual string CreateUserIconUrl {
 441                         get {
 442                                 object o = ViewState ["CreateUserIconUrl"];
 443                                 return (o == null) ? String.Empty : (string) o;
 444                         }
 445                         set {
 446                                 if (value == null)
 447                                         ViewState.Remove ("CreateUserIconUrl");
 448                                 else
 449                                         ViewState ["CreateUserIconUrl"] = value;
 450                         }
 451                 }
 452
 453                 [DefaultValue ("")]
 454                 [Localizable (true)]
 455                 public virtual string CreateUserText {
 456                         get {
 457                                 object o = ViewState ["CreateUserText"];
 458                                 return (o == null) ? String.Empty : (string) o;
 459                         }
 460                         set {
 461                                 if (value == null)
 462                                         ViewState.Remove ("CreateUserText");
 463                                 else
 464                                         ViewState ["CreateUserText"] = value;
 465                         }
 466                 }
 467
 468                 [DefaultValue ("")]
 469                 [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 470                 [UrlProperty]
 471                 public virtual string CreateUserUrl {
 472                         get {
 473                                 object o = ViewState ["CreateUserUrl"];
 474                                 return (o == null) ? String.Empty : (string) o;
 475                         }
 476                         set {
 477                                 if (value == null)
 478                                         ViewState.Remove ("CreateUserUrl");
 479                                 else
 480                                         ViewState ["CreateUserUrl"] = value;
 481                         }
 482                 }
 483
 484                 [DefaultValue ("")]
 485                 [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 486                 [Themeable (false)]
 487                 [UrlProperty]
 488                 public virtual string DestinationPageUrl {
 489                         get {
 490                                 object o = ViewState ["DestinationPageUrl"];
 491                                 return (o == null) ? String.Empty : (string) o;
 492                         }
 493                         set {
 494                                 if (value == null)
 495                                         ViewState.Remove ("DestinationPageUrl");
 496                                 else
 497                                         ViewState ["DestinationPageUrl"] = value;
 498                         }
 499                 }
 500
 501                 [DefaultValue (true)]
 502                 [Themeable (false)]
 503                 public virtual bool DisplayRememberMe {
 504                         get {
 505                                 object o = ViewState ["DisplayRememberMe"];
 506                                 return (o == null) ? true : (bool) o;
 507                         }
 508                         set {
 509                                 ViewState ["DisplayRememberMe"] = value;
 510                         }
 511                 }
 512
 513                 [DefaultValue (LoginFailureAction.Refresh)]
 514                 [Themeable (false)]
 515                 [MonoTODO ("RedirectToLoginPage not yet implemented in FormsAuthentication")]
 516                 public virtual LoginFailureAction FailureAction {
 517                         get {
 518                                 object o = ViewState ["FailureAction"];
 519                                 return (o == null) ? LoginFailureAction.Refresh : (LoginFailureAction) o;
 520                         }
 521                         set {
 522                                 if ((value < LoginFailureAction.Refresh) || (value > LoginFailureAction.RedirectToLoginPage))
 523                                         throw new ArgumentOutOfRangeException ("FailureAction");
 524                                 ViewState ["FailureAction"] = (int) value;
 525                         }
 526                 }
 527
 528                 [Localizable (true)]
 529                 public virtual string FailureText {
 530                         get {
 531                                 object o = ViewState ["FailureText"];
 532                                 return (o == null) ? Locale.GetText ("Your login attempt was not successful. Please try again.") : (string) o;
 533                         }
 534                         set {
 535                                 if (value == null)
 536                                         ViewState.Remove ("FailureText");
 537                                 else
 538                                         ViewState ["FailureText"] = value;
 539                         }
 540                 }
 541
 542                 [DefaultValue (null)]
 543                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 544                 [NotifyParentProperty (true)]
 545                 [PersistenceMode (PersistenceMode.InnerProperty)]
 546                 public TableItemStyle FailureTextStyle {
 547                         get {
 548                                 if (failureTextStyle == null) {
 549                                         failureTextStyle = new TableItemStyle ();
 550                                         if (IsTrackingViewState) {
 551                                                 (failureTextStyle as IStateManager).TrackViewState ();
 552                                         }
 553                                 }
 554                                 return failureTextStyle;
 555                         }
 556                 }
 557
 558                 [DefaultValue ("")]
 559                 [Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 560                 [UrlProperty]
 561                 public virtual string HelpPageIconUrl {
 562                         get {
 563                                 object o = ViewState ["HelpPageIconUrl"];
 564                                 return (o == null) ? String.Empty : (string) o;
 565                         }
 566                         set {
 567                                 if (value == null)
 568                                         ViewState.Remove ("HelpPageIconUrl");
 569                                 else
 570                                         ViewState ["HelpPageIconUrl"] = value;
 571                         }
 572                 }
 573
 574                 [DefaultValue ("")]
 575                 [Localizable (true)]
 576                 public virtual string HelpPageText {
 577                         get {
 578                                 object o = ViewState ["HelpPageText"];
 579                                 return (o == null) ? String.Empty : (string) o;
 580                         }
 581                         set {
 582                                 if (value == null)
 583                                         ViewState.Remove ("HelpPageText");
 584                                 else
 585                                         ViewState ["HelpPageText"] = value;
 586                         }
 587                 }
 588
 589                 [DefaultValue ("")]
 590                 [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 591                 [UrlProperty]
 592                 public virtual string HelpPageUrl {
 593                         get {
 594                                 object o = ViewState ["HelpPageUrl"];
 595                                 return (o == null) ? String.Empty : (string) o;
 596                         }
 597                         set {
 598                                 if (value == null)
 599                                         ViewState.Remove ("HelpPageUrl");
 600                                 else
 601                                         ViewState ["HelpPageUrl"] = value;
 602                         }
 603                 }
 604
 605                 [DefaultValue (null)]
 606                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 607                 [NotifyParentProperty (true)]
 608                 [PersistenceMode (PersistenceMode.InnerProperty)]
 609                 public TableItemStyle HyperLinkStyle {
 610                         get {
 611                                 if (hyperLinkStyle == null) {
 612                                         hyperLinkStyle = new TableItemStyle ();
 613                                         if (IsTrackingViewState) {
 614                                                 (hyperLinkStyle  as IStateManager).TrackViewState ();
 615                                         }
 616                                 }
 617                                 return hyperLinkStyle;
 618                         }
 619                 }
 620
 621                 [DefaultValue ("")]
 622                 [Localizable (true)]
 623                 public virtual string InstructionText {
 624                         get {
 625                                 object o = ViewState ["InstructionText"];
 626                                 return (o == null) ? String.Empty : (string) o;
 627                         }
 628                         set {
 629                                 if (value == null)
 630                                         ViewState.Remove ("InstructionText");
 631                                 else
 632                                         ViewState ["InstructionText"] = value;
 633                         }
 634                 }
 635
 636                 [DefaultValue (null)]
 637                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 638                 [NotifyParentProperty (true)]
 639                 [PersistenceMode (PersistenceMode.InnerProperty)]
 640                 public TableItemStyle InstructionTextStyle {
 641                         get {
 642                                 if (instructionTextStyle == null) {
 643                                         instructionTextStyle = new TableItemStyle ();
 644                                         if (IsTrackingViewState) {
 645                                                 (instructionTextStyle as IStateManager).TrackViewState ();
 646                                         }
 647                                 }
 648                                 return instructionTextStyle;
 649                         }
 650                 }
 651
 652                 [DefaultValue (null)]
 653                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 654                 [NotifyParentProperty (true)]
 655                 [PersistenceMode (PersistenceMode.InnerProperty)]
 656                 public TableItemStyle LabelStyle {
 657                         get {
 658                                 if (labelStyle == null) {
 659                                         labelStyle = new TableItemStyle ();
 660                                         if (IsTrackingViewState) {
 661                                                 (labelStyle as IStateManager).TrackViewState ();
 662                                         }
 663                                 }
 664                                 return labelStyle;
 665                         }
 666                 }
 667
 668                 [Browsable (false)]
 669                 [TemplateContainer (typeof (Login))]
 670                 [PersistenceMode (PersistenceMode.InnerProperty)]
 671                 public virtual ITemplate LayoutTemplate {
 672                         get { return layoutTemplate; }
 673                         set { layoutTemplate = value; }
 674                 }
 675
 676                 [DefaultValue ("")]
 677                 [Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 678                 [UrlProperty]
 679                 public virtual string LoginButtonImageUrl {
 680                         get {
 681                                 object o = ViewState ["LoginButtonImageUrl"];
 682                                 return (o == null) ? String.Empty : (string) o;
 683                         }
 684                         set {
 685                                 if (value == null)
 686                                         ViewState.Remove ("LoginButtonImageUrl");
 687                                 else
 688                                         ViewState ["LoginButtonImageUrl"] = value;
 689                         }
 690                 }
 691
 692                 [DefaultValue (null)]
 693                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 694                 [NotifyParentProperty (true)]
 695                 [PersistenceMode (PersistenceMode.InnerProperty)]
 696                 public Style LoginButtonStyle {
 697                         get {
 698                                 if (logonButtonStyle == null) {
 699                                         logonButtonStyle = new Style ();
 700                                         if (IsTrackingViewState) {
 701                                                 (logonButtonStyle as IStateManager).TrackViewState ();
 702                                         }
 703                                 }
 704                                 return logonButtonStyle;
 705                         }
 706                 }
 707
 708                 [Localizable (true)]
 709                 public virtual string LoginButtonText {
 710                         get {
 711                                 object o = ViewState ["LoginButtonText"];
 712                                 return (o == null) ? Locale.GetText ("Log In") : (string) o;
 713                         }
 714                         set {
 715                                 if (value == null)
 716                                         ViewState.Remove ("LoginButtonText");
 717                                 else
 718                                         ViewState ["LoginButtonText"] = value;
 719                         }
 720                 }
 721
 722                 [DefaultValue (ButtonType.Button)]
 723                 public virtual ButtonType LoginButtonType {
 724                         get {
 725                                 object o = ViewState ["LoginButtonType"];
 726                                 return (o == null) ? ButtonType.Button : (ButtonType) o;
 727                         }
 728                         set {
 729                                 if ((value < ButtonType.Button) || (value > ButtonType.Link))
 730                                         throw new ArgumentOutOfRangeException ("LoginButtonType");
 731                                 ViewState ["LoginButtonType"] = (int) value;
 732                         }
 733                 }
 734
 735                 [DefaultValue ("")]
 736                 [Themeable (false)]
 737                 public virtual string MembershipProvider {
 738                         get {
 739                                 object o = ViewState ["MembershipProvider"];
 740                                 return (o == null) ? String.Empty : (string) o;
 741                         }
 742                         set {
 743                                 if (value == null)
 744                                         ViewState.Remove ("MembershipProvider");
 745                                 else
 746                                         ViewState ["MembershipProvider"] = value;
 747                         }
 748                 }
 749
 750                 [DefaultValue (Orientation.Vertical)]
 751                 public virtual Orientation Orientation {
 752                         get {
 753                                 object o = ViewState ["Orientation"];
 754                                 return (o == null) ? Orientation.Vertical : (Orientation) o;
 755                         }
 756                         set {
 757                                 if ((value < Orientation.Horizontal) || (value > Orientation.Vertical))
 758                                         throw new ArgumentOutOfRangeException ("Orientation");
 759                                 ViewState ["Orientation"] = (int) value;
 760                         }
 761                 }
 762
 763                 [Browsable (false)]
 764                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 765                 public virtual string Password {
 766                         get {
 767                                 return _password != null ? _password : String.Empty;
 768                         }
 769                 }
 770
 771                 [Localizable (true)]
 772                 public virtual string PasswordLabelText {
 773                         get {
 774                                 object o = ViewState ["PasswordLabelText"];
 775                                 return (o == null) ? "Password:" : (string) o;
 776                         }
 777                         set {
 778                                 if (value == null)
 779                                         ViewState.Remove ("PasswordLabelText");
 780                                 else
 781                                         ViewState ["PasswordLabelText"] = value;
 782                         }
 783                 }
 784
 785                 [DefaultValue ("")]
 786                 [Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 787                 [UrlProperty]
 788                 public virtual string PasswordRecoveryIconUrl {
 789                         get {
 790                                 object o = ViewState ["PasswordRecoveryIconUrl"];
 791                                 return (o == null) ? String.Empty : (string) o;
 792                         }
 793                         set {
 794                                 if (value == null)
 795                                         ViewState.Remove ("PasswordRecoveryIconUrl");
 796                                 else
 797                                         ViewState ["PasswordRecoveryIconUrl"] = value;
 798                         }
 799                 }
 800
 801                 [DefaultValue ("")]
 802                 [Localizable (true)]
 803                 public virtual string PasswordRecoveryText {
 804                         get {
 805                                 object o = ViewState ["PasswordRecoveryText"];
 806                                 return (o == null) ? String.Empty : (string) o;
 807                         }
 808                         set {
 809                                 if (value == null)
 810                                         ViewState.Remove ("PasswordRecoveryText");
 811                                 else
 812                                         ViewState ["PasswordRecoveryText"] = value;
 813                         }
 814                 }
 815
 816                 [DefaultValue ("")]
 817                 [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 818                 [UrlProperty]
 819                 public virtual string PasswordRecoveryUrl {
 820                         get {
 821                                 object o = ViewState ["PasswordRecoveryUrl"];
 822                                 return (o == null) ? String.Empty : (string) o;
 823                         }
 824                         set {
 825                                 if (value == null)
 826                                         ViewState.Remove ("PasswordRecoveryUrl");
 827                                 else
 828                                         ViewState ["PasswordRecoveryUrl"] = value;
 829                         }
 830                 }
 831
 832                 [Localizable (true)]
 833                 public virtual string PasswordRequiredErrorMessage {
 834                         get {
 835                                 object o = ViewState ["PasswordRequiredErrorMessage"];
 836                                 return (o == null) ? Locale.GetText ("Password is required.") : (string) o;
 837                         }
 838                         set {
 839                                 if (value == null)
 840                                         ViewState.Remove ("PasswordRequiredErrorMessage");
 841                                 else
 842                                         ViewState ["PasswordRequiredErrorMessage"] = value;
 843                         }
 844                 }
 845
 846                 [DefaultValue (false)]
 847                 [Themeable (false)]
 848                 public virtual bool RememberMeSet {
 849                         get {
 850                                 object o = ViewState ["RememberMeSet"];
 851                                 return (o == null) ? false : (bool) o;
 852                         }
 853                         set {
 854                                 ViewState ["RememberMeSet"] = value;
 855                         }
 856                 }
 857
 858                 [Localizable (true)]
 859                 public virtual string RememberMeText {
 860                         get {
 861                                 object o = ViewState ["RememberMeText"];
 862                                 return (o == null) ? Locale.GetText ("Remember me next time.") : (string) o;
 863                         }
 864                         set {
 865                                 if (value == null)
 866                                         ViewState.Remove ("RememberMeText");
 867                                 else
 868                                         ViewState ["RememberMeText"] = value;
 869                         }
 870                 }
 871
 872                 protected override HtmlTextWriterTag TagKey {
 873                         get { return HtmlTextWriterTag.Table; }
 874                 }
 875
 876                 [DefaultValue (null)]
 877                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 878                 [NotifyParentProperty (true)]
 879                 [PersistenceMode (PersistenceMode.InnerProperty)]
 880                 public Style TextBoxStyle {
 881                         get {
 882                                 if (textBoxStyle == null) {
 883                                         textBoxStyle = new Style ();
 884                                         if (IsTrackingViewState) {
 885                                                 (textBoxStyle as IStateManager).TrackViewState ();
 886                                         }
 887                                 }
 888                                 return textBoxStyle;
 889                         }
 890                 }
 891
 892                 [DefaultValue (LoginTextLayout.TextOnLeft)]
 893                 public virtual LoginTextLayout TextLayout {
 894                         get {
 895                                 object o = ViewState ["TextLayout"];
 896                                 return (o == null) ? LoginTextLayout.TextOnLeft : (LoginTextLayout) o;
 897                         }
 898                         set {
 899                                 if ((value < LoginTextLayout.TextOnLeft) || (value > LoginTextLayout.TextOnTop))
 900                                         throw new ArgumentOutOfRangeException ("TextLayout");
 901                                 ViewState ["TextLayout"] = (int) value;
 902                         }
 903                 }
 904
 905                 [Localizable (true)]
 906                 public virtual string TitleText {
 907                         get {
 908                                 object o = ViewState ["TitleText"];
 909                                 return (o == null) ? Locale.GetText ("Log In") : (string) o;
 910                         }
 911                         set {
 912                                 if (value == null)
 913                                         ViewState.Remove ("TitleText");
 914                                 else
 915                                         ViewState ["TitleText"] = value;
 916                         }
 917                 }
 918
 919                 [DefaultValue (null)]
 920                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 921                 [NotifyParentProperty (true)]
 922                 [PersistenceMode (PersistenceMode.InnerProperty)]
 923                 public TableItemStyle TitleTextStyle {
 924                         get {
 925                                 if (titleTextStyle == null) {
 926                                         titleTextStyle = new TableItemStyle ();
 927                                         if (IsTrackingViewState) {
 928                                                 (titleTextStyle as IStateManager).TrackViewState ();
 929                                         }
 930                                 }
 931                                 return titleTextStyle;
 932                         }
 933                 }
 934
 935                 [DefaultValue ("")]
 936                 public virtual string UserName {
 937                         get {
 938                                 object o = ViewState ["UserName"];
 939                                 return (o == null) ? String.Empty : (string) o;
 940                         }
 941                         set {
 942                                 if (value == null)
 943                                         ViewState.Remove ("UserName");
 944                                 else
 945                                         ViewState ["UserName"] = value;
 946                         }
 947                 }
 948
 949                 [Localizable (true)]
 950                 public virtual string UserNameLabelText {
 951                         get {
 952                                 object o = ViewState ["UserNameLabelText"];
 953                                 return (o == null) ? Locale.GetText ("User Name:") : (string) o;
 954                         }
 955                         set {
 956                                 if (value == null)
 957                                         ViewState.Remove ("UserNameLabelText");
 958                                 else
 959                                         ViewState ["UserNameLabelText"] = value;
 960                         }
 961                 }
 962
 963                 [Localizable (true)]
 964                 public virtual string UserNameRequiredErrorMessage {
 965                         get {
 966                                 object o = ViewState ["UserNameRequiredErrorMessage"];
 967                                 return (o == null) ? Locale.GetText ("User Name is required.") : (string) o;
 968                         }
 969                         set {
 970                                 if (value == null)
 971                                         ViewState.Remove ("UserNameRequiredErrorMessage");
 972                                 else
 973                                         ViewState ["UserNameRequiredErrorMessage"] = value;
 974                         }
 975                 }
 976
 977                 [DefaultValue (null)]
 978                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 979                 [NotifyParentProperty (true)]
 980                 [PersistenceMode (PersistenceMode.InnerProperty)]
 981                 public Style ValidatorTextStyle {
 982                         get {
 983                                 if (validatorTextStyle == null) {
 984                                         validatorTextStyle = new Style ();
 985                                         if (IsTrackingViewState) {
 986                                                 (validatorTextStyle as IStateManager).TrackViewState ();
 987                                         }
 988                                 }
 989                                 return validatorTextStyle;
 990                         }
 991                 }
 992
 993                 [DefaultValue (true)]
 994                 [Themeable (false)]
 995                 public virtual bool VisibleWhenLoggedIn {
 996                         get {
 997                                 object o = ViewState ["VisibleWhenLoggedIn"];
 998                                 return (o == null) ? true : (bool) o;
 999                         }
1000                         set {
1001                                 ViewState ["VisibleWhenLoggedIn"] = value;
1002                         }
1003                 }
1004
1005                 LoginContainer LoginTemplateContainer
1006                 {
1007                         get {
1008                                 if (container == null)
1009                                         container = new LoginContainer (this);
1010                                 return container;
1011                         }
1012                 }
1013
1014
1015                 // methods
1016
1017                 protected internal override void CreateChildControls ()
1018                 {
1019                         Controls.Clear ();
1020
1021                         ITemplate template = LayoutTemplate;
1022                         if (template == null)
1023                                 template = new LoginTemplate (this);
1024
1025                         LoginTemplateContainer.InstantiateTemplate (template);
1026
1027                         Controls.Add (container);
1028
1029                         IEditableTextControl editable;
1030                         editable = container.UserNameTextBox as IEditableTextControl;
1031
1032                         if (editable != null) {
1033                                 editable.Text = UserName;
1034                                 editable.TextChanged += new EventHandler (UserName_TextChanged);
1035                         }
1036                         else
1037                                 throw new HttpException ("LayoutTemplate does not contain an IEditableTextControl with ID UserName for the username.");
1038
1039                         editable = container.PasswordTextBox as IEditableTextControl;
1040
1041                         if (editable != null)
1042                                 editable.TextChanged += new EventHandler (Password_TextChanged);
1043                         else
1044                                 throw new HttpException ("LayoutTemplate does not contain an IEditableTextControl with ID Password for the password.");
1045
1046                         ICheckBoxControl checkBox = container.RememberMeCheckBox as ICheckBoxControl;
1047
1048                         if (checkBox != null)
1049                                 checkBox.CheckedChanged += new EventHandler (RememberMe_CheckedChanged);
1050                 }
1051
1052                 protected override void LoadViewState (object savedState)
1053                 {
1054                         if (savedState == null) {
1055                                 base.LoadViewState (null);
1056                                 return;
1057                         }
1058
1059                         object[] state = (object[]) savedState;
1060                         base.LoadViewState (state [0]);
1061                         if (state [1] != null)
1062                                 (LoginButtonStyle as IStateManager).LoadViewState (state [1]);
1063                         if (state [2] != null)
1064                                 (LabelStyle as IStateManager).LoadViewState (state [2]);
1065                         if (state [3] != null)
1066                                 (TextBoxStyle as IStateManager).LoadViewState (state [3]);
1067                         if (state [4] != null)
1068                                 (HyperLinkStyle as IStateManager).LoadViewState (state [4]);
1069                         if (state [5] != null)
1070                                 (InstructionTextStyle as IStateManager).LoadViewState (state [5]);
1071                         if (state [6] != null)
1072                                 (TitleTextStyle as IStateManager).LoadViewState (state [6]);
1073                         if (state [7] != null)
1074                                 (CheckBoxStyle as IStateManager).LoadViewState (state [7]);
1075                         if (state [8] != null)
1076                                 (FailureTextStyle as IStateManager).LoadViewState (state [8]);
1077                         if (state [9] != null)
1078                                 (ValidatorTextStyle as IStateManager).LoadViewState (state [9]);
1079                 }
1080
1081                 private bool HasOnAuthenticateHandler ()
1082                 {
1083                         return Events [authenticateEvent] != null;
1084                 }
1085
1086                 protected virtual void OnAuthenticate (AuthenticateEventArgs e)
1087                 {
1088                         // this gets called after OnLoggingIn and the authentication so we can change the result
1089                         AuthenticateEventHandler authenticate = (AuthenticateEventHandler) Events [authenticateEvent];
1090                         if (authenticate != null)
1091                                 authenticate (this, e);
1092                 }
1093
1094                 protected override bool OnBubbleEvent (object source, EventArgs e)
1095                 {
1096                         // check for submit button
1097                         CommandEventArgs cea = (e as CommandEventArgs);
1098                         if ((cea != null) &&
1099                             String.Equals (cea.CommandName, LoginButtonCommandName, StringComparison.InvariantCultureIgnoreCase)) {
1100                                 if (!AuthenticateUser ()) {
1101                                         ITextControl failureText = LoginTemplateContainer.FailureTextLiteral;
1102                                         if (failureText != null)
1103                                                 failureText.Text = FailureText;
1104                                 }
1105                                 return true;
1106                         }
1107                         return false;
1108                 }
1109
1110                 protected virtual void OnLoggedIn (EventArgs e)
1111                 {
1112                         // this gets called only if the authentication was successful
1113                         EventHandler loggedIn = (EventHandler) Events [loggedInEvent];
1114                         if (loggedIn != null)
1115                                 loggedIn (this, e);
1116                 }
1117
1118                 protected virtual void OnLoggingIn (LoginCancelEventArgs e)
1119                 {
1120                         // this gets called before OnAuthenticate so we can abort the authentication process
1121                         LoginCancelEventHandler loggingIn = (LoginCancelEventHandler) Events [loggingInEvent];
1122                         if (loggingIn != null)
1123                                 loggingIn (this, e);
1124                 }
1125
1126                 protected virtual void OnLoginError (EventArgs e)
1127                 {
1128                         // this gets called only if the authentication wasn't successful
1129                         EventHandler loginError = (EventHandler) Events [loginErrorEvent];
1130                         if (loginError != null)
1131                                 loginError (this, e);
1132                 }
1133
1134                 [MonoTODO ("overriden for ?")]
1135                 protected internal override void OnPreRender (EventArgs e)
1136                 {
1137                         base.OnPreRender (e);
1138                         // note: doc says that UserName and Password aren't available at
1139                         // PageLoad but are during PreRender phase, so... ???
1140                 }
1141
1142                 protected internal override void Render (HtmlTextWriter writer)
1143                 {
1144                         // VisibleWhenLoggedIn isn't applicable to the default login page
1145                         if (!VisibleWhenLoggedIn && !IsDefaultLoginPage () && IsLoggedIn ())
1146                                 return;
1147
1148                         if (Page != null) {
1149                                 Page.VerifyRenderingInServerForm (this);
1150                         }
1151
1152                         EnsureChildControls ();
1153
1154                         foreach (object [] styleDef in styles)
1155                                 ((WebControl) styleDef [0]).ApplyStyle ((Style) styleDef [1]);
1156
1157                         RenderContents(writer);
1158                 }
1159
1160                 protected override object SaveViewState ()
1161                 {
1162                         object[] state = new object [10];
1163                         state [0] = base.SaveViewState ();
1164                         if (logonButtonStyle != null)
1165                                 state [1] = (logonButtonStyle as IStateManager).SaveViewState ();
1166                         if (labelStyle != null)
1167                                 state [2] = (labelStyle as IStateManager).SaveViewState ();
1168                         if (textBoxStyle != null)
1169                                 state [3] = (textBoxStyle as IStateManager).SaveViewState ();
1170                         if (hyperLinkStyle != null)
1171                                 state [4] = (hyperLinkStyle as IStateManager).SaveViewState ();
1172                         if (instructionTextStyle != null)
1173                                 state [5] = (instructionTextStyle as IStateManager).SaveViewState ();
1174                         if (titleTextStyle != null)
1175                                 state [6] = (titleTextStyle as IStateManager).SaveViewState ();
1176                         if (checkBoxStyle != null)
1177                                 state [7] = (checkBoxStyle as IStateManager).SaveViewState ();
1178                         if (failureTextStyle != null)
1179                                 state [8] = (failureTextStyle as IStateManager).SaveViewState ();
1180                         if (validatorTextStyle != null)
1181                                 state [9] = (validatorTextStyle as IStateManager).SaveViewState ();
1182
1183                         for (int i=0; i < state.Length; i++) {
1184                                 if (state [0] != null)
1185                                         return (object) state;
1186                         }
1187                         return null; // reduce view state
1188                 }
1189
1190                 [MonoTODO ("for design-time usage - no more details available")]
1191                 protected override void SetDesignModeState (IDictionary data)
1192                 {
1193                         base.SetDesignModeState (data);
1194                 }
1195
1196                 protected override void TrackViewState ()
1197                 {
1198                         base.TrackViewState ();
1199                         if (logonButtonStyle != null)
1200                                 (logonButtonStyle as IStateManager).TrackViewState ();
1201                         if (labelStyle != null)
1202                                 (labelStyle as IStateManager).TrackViewState ();
1203                         if (textBoxStyle != null)
1204                                 (textBoxStyle as IStateManager).TrackViewState ();
1205                         if (hyperLinkStyle != null)
1206                                 (hyperLinkStyle as IStateManager).TrackViewState ();
1207                         if (instructionTextStyle != null)
1208                                 (instructionTextStyle as IStateManager).TrackViewState ();
1209                         if (titleTextStyle != null)
1210                                 (titleTextStyle as IStateManager).TrackViewState ();
1211                         if (checkBoxStyle != null)
1212                                 (checkBoxStyle as IStateManager).TrackViewState ();
1213                         if (failureTextStyle != null)
1214                                 (failureTextStyle as IStateManager).TrackViewState ();
1215                         if (validatorTextStyle != null)
1216                                 (validatorTextStyle as IStateManager).TrackViewState ();
1217                 }
1218
1219
1220                 // events
1221
1222                 public event AuthenticateEventHandler Authenticate {
1223                         add { Events.AddHandler (authenticateEvent, value); }
1224                         remove { Events.RemoveHandler (authenticateEvent, value); }
1225                 }
1226
1227                 public event EventHandler LoggedIn {
1228                         add { Events.AddHandler (loggedInEvent, value); }
1229                         remove { Events.RemoveHandler (loggedInEvent, value); }
1230                 }
1231
1232                 public event LoginCancelEventHandler LoggingIn {
1233                         add { Events.AddHandler (loggingInEvent, value); }
1234                         remove { Events.RemoveHandler (loggingInEvent, value); }
1235                 }
1236
1237                 public event EventHandler LoginError {
1238                         add { Events.AddHandler (loginErrorEvent, value); }
1239                         remove { Events.RemoveHandler (loginErrorEvent, value); }
1240                 }
1241
1242
1243                 // private stuff
1244
1245                 internal void RegisterApplyStyle (WebControl control, Style style)
1246                 {
1247                         styles.Add (new object [] { control, style });
1248                 }
1249
1250                 private bool AuthenticateUser ()
1251                 {
1252                         LoginCancelEventArgs lcea = new LoginCancelEventArgs ();
1253                         OnLoggingIn (lcea);
1254                         if (lcea.Cancel)
1255                                 return true;
1256
1257                         AuthenticateEventArgs aea = new AuthenticateEventArgs ();
1258
1259                         if (!HasOnAuthenticateHandler ()) {
1260                                 string mp = MembershipProvider;
1261                                 MembershipProvider provider = (mp.Length == 0) ?
1262                                         provider = Membership.Provider : Membership.Providers [mp];
1263                                 if (provider == null) {
1264                                         throw new HttpException (Locale.GetText ("No provider named '{0}' could be found.", mp));
1265                                 }
1266
1267                                 aea.Authenticated = provider.ValidateUser (UserName, Password);
1268                         }
1269                         OnAuthenticate (aea);
1270
1271                         if (aea.Authenticated) {
1272                                 FormsAuthentication.SetAuthCookie (UserName, RememberMeSet);
1273                                 OnLoggedIn (EventArgs.Empty);
1274
1275                                 string url = DestinationPageUrl;
1276                                 if (Page.Request.Path.ToLower ().StartsWith (FormsAuthentication.LoginUrl.ToLower ())) {
1277                                         if (!String.IsNullOrEmpty (FormsAuthentication.ReturnUrl))
1278                                                 Redirect (FormsAuthentication.ReturnUrl);
1279                                         else if (!String.IsNullOrEmpty (DestinationPageUrl))
1280                                                 Redirect (url);
1281                                         else if (!String.IsNullOrEmpty (FormsAuthentication.DefaultUrl))
1282                                                 Redirect (FormsAuthentication.DefaultUrl);
1283                                         else if (url.Length == 0)
1284                                                 Refresh ();
1285                                 }
1286                                 else if (!String.IsNullOrEmpty (DestinationPageUrl)) {
1287                                         Redirect (url);
1288                                 }
1289                                 else {
1290                                         Refresh ();
1291                                 }
1292                                 return true;
1293                         }
1294                         else {
1295                                 OnLoginError (EventArgs.Empty);
1296                                 if (FailureAction == LoginFailureAction.RedirectToLoginPage) {
1297                                         // login page is defined in web.config
1298                                         FormsAuthentication.RedirectToLoginPage ();
1299                                 }
1300                                 return false;
1301                         }
1302                 }
1303
1304                 // TODO: its called from default template only, not usefully, OnBubbleEvent
1305                 // do handle command, need be removed
1306                 [MonoTODO()]
1307                 private void LoginClick (object sender, CommandEventArgs e)
1308                 {
1309                         RaiseBubbleEvent (sender, (EventArgs)e);
1310                 }
1311
1312                 private bool IsDefaultLoginPage ()
1313                 {
1314                         if ((Page == null) || (Page.Request == null))
1315                                 return false;
1316                         string defaultLogin = FormsAuthentication.LoginUrl;
1317                         if (defaultLogin == null)
1318                                 return false;
1319                         string url = Page.Request.Url.AbsolutePath;
1320                         return (String.Compare (defaultLogin, 0, url, url.Length - defaultLogin.Length, defaultLogin.Length,
1321                                 true, CultureInfo.InvariantCulture) == 0);
1322                 }
1323
1324                 private bool IsLoggedIn ()
1325                 {
1326                         if ((Page == null) || (Page.Request == null))
1327                                 return false;
1328                         return Page.Request.IsAuthenticated;
1329                 }
1330
1331                 private void Redirect (string url)
1332                 {
1333                         if ((Page != null) && (Page.Response != null))
1334                                 Page.Response.Redirect (url);
1335                 }
1336
1337                 private void Refresh () {
1338                         if ((Page != null) && (Page.Response != null))
1339                                 Page.Response.Redirect (Page.Request.RawUrl);
1340                 }
1341
1342                 private void UserName_TextChanged (object sender, EventArgs e)
1343                 {
1344                         UserName = ((ITextControl)sender).Text;
1345                 }
1346
1347                 private void Password_TextChanged (object sender, EventArgs e)
1348                 {
1349                         _password = ((ITextControl)sender).Text;
1350                 }
1351
1352                 private void RememberMe_CheckedChanged (object sender, EventArgs e)
1353                 {
1354                         RememberMeSet = ((ICheckBoxControl)sender).Checked;
1355                 }
1356         }
1357 }
1358
1359 #endif