includes/installer/WebInstallerPage.php

   1 <?php
   2 /**
   3  * Base code for web installer pages.
   4  *
   5  * @file
   6  * @ingroup Deployment
   7  */
   8
   9 /**
  10  * Abstract class to define pages for the web installer.
  11  *
  12  * @ingroup Deployment
  13  * @since 1.17
  14  */
  15 abstract class WebInstallerPage {
  16
  17         /**
  18          * The WebInstaller object this WebInstallerPage belongs to.
  19          *
  20          * @var WebInstaller
  21          */
  22         public $parent;
  23
  24         public abstract function execute();
  25
  26         /**
  27          * Constructor.
  28          *
  29          * @param $parent WebInstaller
  30          */
  31         public function __construct( WebInstaller $parent ) {
  32                 $this->parent = $parent;
  33         }
  34
  35         /**
  36          * Is this a slow-running page in the installer? If so, WebInstaller will
  37          * set_time_limit(0) before calling execute(). Right now this only applies
  38          * to Install and Upgrade pages
  39          */
  40         public function isSlow() {
  41                 return false;
  42         }
  43
  44         public function addHTML( $html ) {
  45                 $this->parent->output->addHTML( $html );
  46         }
  47
  48         public function startForm() {
  49                 $this->addHTML(
  50                         "<div class=\"config-section\">\n" .
  51                         Html::openElement(
  52                                 'form',
  53                                 array(
  54                                         'method' => 'post',
  55                                         'action' => $this->parent->getUrl( array( 'page' => $this->getName() ) )
  56                                 )
  57                         ) . "\n"
  58                 );
  59         }
  60
  61         public function endForm( $continue = 'continue', $back = 'back' ) {
  62                 $s = "<div class=\"config-submit\">\n";
  63                 $id = $this->getId();
  64
  65                 if ( $id === false ) {
  66                         $s .= Html::hidden( 'lastPage', $this->parent->request->getVal( 'lastPage' ) );
  67                 }
  68
  69                 if ( $continue ) {
  70                         // Fake submit button for enter keypress (bug 26267)
  71                         $s .= Xml::submitButton( wfMsg( "config-$continue" ),
  72                                 array( 'name' => "enter-$continue", 'style' => 'visibility:hidden;overflow:hidden;width:1px;margin:0' ) ) . "\n";
  73                 }
  74
  75                 if ( $back ) {
  76                         $s .= Xml::submitButton( wfMsg( "config-$back" ),
  77                                 array(
  78                                         'name' => "submit-$back",
  79                                         'tabindex' => $this->parent->nextTabIndex()
  80                                 ) ) . "\n";
  81                 }
  82
  83                 if ( $continue ) {
  84                         $s .= Xml::submitButton( wfMsg( "config-$continue" ),
  85                                 array(
  86                                         'name' => "submit-$continue",
  87                                         'tabindex' => $this->parent->nextTabIndex(),
  88                                 ) ) . "\n";
  89                 }
  90
  91                 $s .= "</div></form></div>\n";
  92                 $this->addHTML( $s );
  93         }
  94
  95         public function getName() {
  96                 return str_replace( 'WebInstaller_', '', get_class( $this ) );
  97         }
  98
  99         protected function getId() {
 100                 return array_search( $this->getName(), $this->parent->pageSequence );
 101         }
 102
 103         public function getVar( $var ) {
 104                 return $this->parent->getVar( $var );
 105         }
 106
 107         public function setVar( $name, $value ) {
 108                 $this->parent->setVar( $name, $value );
 109         }
 110
 111         /**
 112          * Get the starting tags of a fieldset.
 113          *
 114          * @param $legend String: message name
 115          *
 116          * @return string
 117          */
 118         protected function getFieldsetStart( $legend ) {
 119                 return "\n<fieldset><legend>" . wfMsgHtml( $legend ) . "</legend>\n";
 120         }
 121
 122         /**
 123          * Get the end tag of a fieldset.
 124          *
 125          * @returns string
 126          */
 127         protected function getFieldsetEnd() {
 128                 return "</fieldset>\n";
 129         }
 130
 131         /**
 132          * Opens a textarea used to display the progress of a long operation
 133          */
 134         protected function startLiveBox() {
 135                 $this->addHTML(
 136                         '<div id="config-spinner" style="display:none;"><img src="../skins/common/images/ajax-loader.gif" /></div>' .
 137                         '<script>jQuery( "#config-spinner" ).show();</script>' .
 138                         '<div id="config-live-log"><textarea name="LiveLog" rows="10" cols="30" readonly="readonly">'
 139                 );
 140                 $this->parent->output->flush();
 141         }
 142
 143         /**
 144          * Opposite to startLiveBox()
 145          */
 146         protected function endLiveBox() {
 147                 $this->addHTML( '</textarea></div>
 148 <script>jQuery( "#config-spinner" ).hide()</script>' );
 149                 $this->parent->output->flush();
 150         }
 151 }
 152
 153 class WebInstaller_Language extends WebInstallerPage {
 154
 155         public function execute() {
 156                 global $wgLang;
 157                 $r = $this->parent->request;
 158                 $userLang = $r->getVal( 'UserLang' );
 159                 $contLang = $r->getVal( 'ContLang' );
 160
 161                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
 162                 if ( !$lifetime ) {
 163                         $lifetime = 1440; // PHP default
 164                 }
 165
 166                 if ( $r->wasPosted() ) {
 167                         # Do session test
 168                         if ( $this->parent->getSession( 'test' ) === null ) {
 169                                 $requestTime = $r->getVal( 'LanguageRequestTime' );
 170                                 if ( !$requestTime ) {
 171                                         // The most likely explanation is that the user was knocked back
 172                                         // from another page on POST due to session expiry
 173                                         $msg = 'config-session-expired';
 174                                 } elseif ( time() - $requestTime > $lifetime ) {
 175                                         $msg = 'config-session-expired';
 176                                 } else {
 177                                         $msg = 'config-no-session';
 178                                 }
 179                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
 180                         } else {
 181                                 $languages = Language::getLanguageNames();
 182                                 if ( isset( $languages[$userLang] ) ) {
 183                                         $this->setVar( '_UserLang', $userLang );
 184                                 }
 185                                 if ( isset( $languages[$contLang] ) ) {
 186                                         $this->setVar( 'wgLanguageCode', $contLang );
 187                                 }
 188                                 return 'continue';
 189                         }
 190                 } elseif ( $this->parent->showSessionWarning ) {
 191                         # The user was knocked back from another page to the start
 192                         # This probably indicates a session expiry
 193                         $this->parent->showError( 'config-session-expired', $wgLang->formatTimePeriod( $lifetime ) );
 194                 }
 195
 196                 $this->parent->setSession( 'test', true );
 197
 198                 if ( !isset( $languages[$userLang] ) ) {
 199                         $userLang = $this->getVar( '_UserLang', 'en' );
 200                 }
 201                 if ( !isset( $languages[$contLang] ) ) {
 202                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
 203                 }
 204                 $this->startForm();
 205                 $s = Html::hidden( 'LanguageRequestTime', time() ) .
 206                         $this->getLanguageSelector( 'UserLang', 'config-your-language', $userLang, $this->parent->getHelpBox( 'config-your-language-help' ) ) .
 207                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang, $this->parent->getHelpBox( 'config-wiki-language-help' ) );
 208                 $this->addHTML( $s );
 209                 $this->endForm( 'continue', false );
 210         }
 211
 212         /**
 213          * Get a <select> for selecting languages.
 214          *
 215          * @return string
 216          */
 217         public function getLanguageSelector( $name, $label, $selectedCode, $helpHtml = '' ) {
 218                 global $wgDummyLanguageCodes;
 219
 220                 $s = $helpHtml;
 221
 222                 $s .= Html::openElement( 'select', array( 'id' => $name, 'name' => $name ) ) . "\n";
 223
 224                 $languages = Language::getLanguageNames();
 225                 ksort( $languages );
 226                 $dummies = array_flip( $wgDummyLanguageCodes );
 227                 foreach ( $languages as $code => $lang ) {
 228                         if ( isset( $dummies[$code] ) ) continue;
 229                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 230                 }
 231                 $s .= "\n</select>\n";
 232                 return $this->parent->label( $label, $name, $s );
 233         }
 234
 235 }
 236
 237 class WebInstaller_ExistingWiki extends WebInstallerPage {
 238         public function execute() {
 239                 // If there is no LocalSettings.php, continue to the installer welcome page
 240                 $vars = Installer::getExistingLocalSettings();
 241                 if ( !$vars ) {
 242                         return 'skip';
 243                 }
 244
 245                 // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 246                 if ( $vars['wgUpgradeKey'] !== false
 247                         && $this->getVar( '_UpgradeKeySupplied' )
 248                         && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] )
 249                 {
 250                         // It's there, so the user is authorized
 251                         $status = $this->handleExistingUpgrade( $vars );
 252                         if ( $status->isOK() ) {
 253                                 return 'skip';
 254                         } else {
 255                                 $this->startForm();
 256                                 $this->parent->showStatusBox( $status );
 257                                 $this->endForm( 'continue' );
 258                                 return 'output';
 259                         }
 260                 }
 261
 262                 // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
 263                 if ( $vars['wgUpgradeKey'] === false ) {
 264                         if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
 265                                 $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
 266                                 $this->parent->generateKeys();
 267                                 $this->setVar( 'wgSecretKey', $secretKey );
 268                                 $this->setVar( '_UpgradeKeySupplied', true );
 269                         }
 270                         $this->startForm();
 271                         $this->addHTML( $this->parent->getInfoBox(
 272                                 wfMsgNoTrans( 'config-upgrade-key-missing',
 273                                         "<pre>\$wgUpgradeKey = '" . $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )
 274                         ) );
 275                         $this->endForm( 'continue' );
 276                         return 'output';
 277                 }
 278
 279                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 280
 281                 $r = $this->parent->request;
 282                 if ( $r->wasPosted() ) {
 283                         $key = $r->getText( 'config_wgUpgradeKey' );
 284                         if( !$key || $key !== $vars['wgUpgradeKey'] ) {
 285                                 $this->parent->showError( 'config-localsettings-badkey' );
 286                                 $this->showKeyForm();
 287                                 return 'output';
 288                         }
 289                         // Key was OK
 290                         $status = $this->handleExistingUpgrade( $vars );
 291                         if ( $status->isOK() ) {
 292                                 return 'continue';
 293                         } else {
 294                                 $this->parent->showStatusBox( $status );
 295                                 $this->showKeyForm();
 296                                 return 'output';
 297                         }
 298                 } else {
 299                         $this->showKeyForm();
 300                         return 'output';
 301                 }
 302         }
 303
 304         /**
 305          * Show the "enter key" form
 306          */
 307         protected function showKeyForm() {
 308                 $this->startForm();
 309                 $this->addHTML(
 310                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-localsettings-upgrade' ) ).
 311                         '<br />' .
 312                         $this->parent->getTextBox( array(
 313                                 'var' => 'wgUpgradeKey',
 314                                 'label' => 'config-localsettings-key',
 315                                 'attribs' => array( 'autocomplete' => 'off' ),
 316                         ) )
 317                 );
 318                 $this->endForm( 'continue' );
 319         }
 320
 321         protected function importVariables( $names, $vars ) {
 322                 $status = Status::newGood();
 323                 foreach ( $names as $name ) {
 324                         if ( !isset( $vars[$name] ) ) {
 325                                 $status->fatal( 'config-localsettings-incomplete', $name );
 326                         }
 327                         $this->setVar( $name, $vars[$name] );
 328                 }
 329                 return $status;
 330         }
 331
 332         /**
 333          * Initiate an upgrade of the existing database
 334          * @param $vars Variables from LocalSettings.php and AdminSettings.php
 335          * @return Status
 336          */
 337         protected function handleExistingUpgrade( $vars ) {
 338                 // Check $wgDBtype
 339                 if ( !isset( $vars['wgDBtype'] ) || !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
 340                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 341                 }
 342
 343                 // Set the relevant variables from LocalSettings.php
 344                 $requiredVars = array( 'wgDBtype' );
 345                 $status = $this->importVariables( $requiredVars , $vars );
 346                 $installer = $this->parent->getDBInstaller();
 347                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 348                 if ( !$status->isOK() ) {
 349                         return $status;
 350                 }
 351
 352                 if ( isset( $vars['wgDBadminuser'] ) ) {
 353                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 354                 } else {
 355                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 356                 }
 357                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 358                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 359                 } else {
 360                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 361                 }
 362
 363                 // Test the database connection
 364                 $status = $installer->getConnection();
 365                 if ( !$status->isOK() ) {
 366                         // Adjust the error message to explain things correctly
 367                         $status->replaceMessage( 'config-connection-error',
 368                                 'config-localsettings-connection-error' );
 369                         return $status;
 370                 }
 371
 372                 // All good
 373                 $this->setVar( '_ExistingDBSettings', true );
 374                 return $status;
 375         }
 376 }
 377
 378 class WebInstaller_Welcome extends WebInstallerPage {
 379
 380         public function execute() {
 381                 if ( $this->parent->request->wasPosted() ) {
 382                         if ( $this->getVar( '_Environment' ) ) {
 383                                 return 'continue';
 384                         }
 385                 }
 386                 $this->parent->output->addWikiText( wfMsgNoTrans( 'config-welcome' ) );
 387                 $status = $this->parent->doEnvironmentChecks();
 388                 if ( $status->isGood() ) {
 389                         $this->parent->output->addHTML( '<span class="success-message">' .
 390                                 wfMsgHtml( 'config-env-good' ) . '</span>' );
 391                         $this->parent->output->addWikiText( wfMsgNoTrans( 'config-copyright',
 392                                 SpecialVersion::getCopyrightAndAuthorList() ) );
 393                         $this->startForm();
 394                         $this->endForm();
 395                 } else {
 396                         $this->parent->showStatusMessage( $status );
 397                 }
 398         }
 399
 400 }
 401
 402 class WebInstaller_DBConnect extends WebInstallerPage {
 403
 404         public function execute() {
 405                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 406                         return 'skip';
 407                 }
 408
 409                 $r = $this->parent->request;
 410                 if ( $r->wasPosted() ) {
 411                         $status = $this->submit();
 412
 413                         if ( $status->isGood() ) {
 414                                 $this->setVar( '_UpgradeDone', false );
 415                                 return 'continue';
 416                         } else {
 417                                 $this->parent->showStatusBox( $status );
 418                         }
 419                 }
 420
 421                 $this->startForm();
 422
 423                 $types = "<ul class=\"config-settings-block\">\n";
 424                 $settings = '';
 425                 $defaultType = $this->getVar( 'wgDBtype' );
 426
 427                 $dbSupport = '';
 428                 foreach( $this->parent->getDBTypes() as $type ) {
 429                         $link = DatabaseBase::factory( $type )->getSoftwareLink();
 430                         $dbSupport .= wfMsgNoTrans( "config-support-$type", $link ) . "\n";
 431                 }
 432                 $this->addHTML( $this->parent->getInfoBox(
 433                         wfMsg( 'config-support-info', $dbSupport ) ) );
 434
 435                 foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
 436                         $installer = $this->parent->getDBInstaller( $type );
 437                         $types .=
 438                                 '<li>' .
 439                                 Xml::radioLabel(
 440                                         $installer->getReadableName(),
 441                                         'DBType',
 442                                         $type,
 443                                         "DBType_$type",
 444                                         $type == $defaultType,
 445                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 446                                 ) .
 447                                 "</li>\n";
 448
 449                         $settings .=
 450                                 Html::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type, 'class' => 'dbWrapper' ) ) .
 451                                 Html::element( 'h3', array(), wfMsg( 'config-header-' . $type ) ) .
 452                                 $installer->getConnectForm() .
 453                                 "</div>\n";
 454                 }
 455                 $types .= "</ul><br clear=\"left\"/>\n";
 456
 457                 $this->addHTML(
 458                         $this->parent->label( 'config-db-type', false, $types ) .
 459                         $settings
 460                 );
 461
 462                 $this->endForm();
 463         }
 464
 465         public function submit() {
 466                 $r = $this->parent->request;
 467                 $type = $r->getVal( 'DBType' );
 468                 $this->setVar( 'wgDBtype', $type );
 469                 $installer = $this->parent->getDBInstaller( $type );
 470                 if ( !$installer ) {
 471                         return Status::newFatal( 'config-invalid-db-type' );
 472                 }
 473                 return $installer->submitConnectForm();
 474         }
 475
 476 }
 477
 478 class WebInstaller_Upgrade extends WebInstallerPage {
 479         public function isSlow() {
 480                 return true;
 481         }
 482
 483         public function execute() {
 484                 if ( $this->getVar( '_UpgradeDone' ) ) {
 485                         // Allow regeneration of LocalSettings.php, unless we are working
 486                         // from a pre-existing LocalSettings.php file and we want to avoid
 487                         // leaking its contents
 488                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 489                                 // Done message acknowledged
 490                                 return 'continue';
 491                         } else {
 492                                 // Back button click
 493                                 // Show the done message again
 494                                 // Make them click back again if they want to do the upgrade again
 495                                 $this->showDoneMessage();
 496                                 return 'output';
 497                         }
 498                 }
 499
 500                 // wgDBtype is generally valid here because otherwise the previous page
 501                 // (connect) wouldn't have declared its happiness
 502                 $type = $this->getVar( 'wgDBtype' );
 503                 $installer = $this->parent->getDBInstaller( $type );
 504
 505                 if ( !$installer->needsUpgrade() ) {
 506                         return 'skip';
 507                 }
 508
 509                 if ( $this->parent->request->wasPosted() ) {
 510                         $installer->preUpgrade();
 511
 512                         $this->startLiveBox();
 513                         $result = $installer->doUpgrade();
 514                         $this->endLiveBox();
 515
 516                         if ( $result ) {
 517                                 // If they're going to possibly regenerate LocalSettings, we
 518                                 // need to create the upgrade/secret keys. Bug 26481
 519                                 if( !$this->getVar( '_ExistingDBSettings' ) ) {
 520                                         $this->parent->generateKeys();
 521                                 }
 522                                 $this->setVar( '_UpgradeDone', true );
 523                                 $this->showDoneMessage();
 524                                 return 'output';
 525                         }
 526                 }
 527
 528                 $this->startForm();
 529                 $this->addHTML( $this->parent->getInfoBox(
 530                         wfMsgNoTrans( 'config-can-upgrade', $GLOBALS['wgVersion'] ) ) );
 531                 $this->endForm();
 532         }
 533
 534         public function showDoneMessage() {
 535                 $this->startForm();
 536                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 537                 if ( $regenerate ) {
 538                         $msg = 'config-upgrade-done';
 539                 } else {
 540                         $msg = 'config-upgrade-done-no-regenerate';
 541                 }
 542                 $this->parent->disableLinkPopups();
 543                 $this->addHTML(
 544                         $this->parent->getInfoBox(
 545                                 wfMsgNoTrans( $msg,
 546                                         $this->getVar( 'wgServer' ) .
 547                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
 548                                                 $this->getVar( 'wgScriptExtension' )
 549                                 ), 'tick-32.png'
 550                         )
 551                 );
 552                 $this->parent->restoreLinkPopups();
 553                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 554         }
 555
 556 }
 557
 558 class WebInstaller_DBSettings extends WebInstallerPage {
 559
 560         public function execute() {
 561                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 562
 563                 $r = $this->parent->request;
 564                 if ( $r->wasPosted() ) {
 565                         $status = $installer->submitSettingsForm();
 566                         if ( $status === false ) {
 567                                 return 'skip';
 568                         } elseif ( $status->isGood() ) {
 569                                 return 'continue';
 570                         } else {
 571                                 $this->parent->showStatusBox( $status );
 572                         }
 573                 }
 574
 575                 $form = $installer->getSettingsForm();
 576                 if ( $form === false ) {
 577                         return 'skip';
 578                 }
 579
 580                 $this->startForm();
 581                 $this->addHTML( $form );
 582                 $this->endForm();
 583         }
 584
 585 }
 586
 587 class WebInstaller_Name extends WebInstallerPage {
 588
 589         public function execute() {
 590                 $r = $this->parent->request;
 591                 if ( $r->wasPosted() ) {
 592                         if ( $this->submit() ) {
 593                                 return 'continue';
 594                         }
 595                 }
 596
 597                 $this->startForm();
 598
 599                 // Encourage people to not name their site 'MediaWiki' by blanking the
 600                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 601                 // but these two always were the same so had the effect of making the
 602                 // installer forget $wgSitename when navigating back to this page.
 603                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 604                         $this->setVar( 'wgSitename', '' );
 605                 }
 606
 607                 // Set wgMetaNamespace to something valid before we show the form.
 608                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 609                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 610                 $this->setVar( 'wgMetaNamespace', wfMsgForContent( 'config-ns-other-default' ) );
 611
 612                 $this->addHTML(
 613                         $this->parent->getTextBox( array(
 614                                 'var' => 'wgSitename',
 615                                 'label' => 'config-site-name',
 616                           'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 617                         ) ) .
 618                         $this->parent->getRadioSet( array(
 619                                 'var' => '_NamespaceType',
 620                                 'label' => 'config-project-namespace',
 621                                 'itemLabelPrefix' => 'config-ns-',
 622                                 'values' => array( 'site-name', 'generic', 'other' ),
 623                                 'commonAttribs' => array( 'class' => 'enableForOther', 'rel' => 'config_wgMetaNamespace' ),
 624                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 625                         ) ) .
 626                         $this->parent->getTextBox( array(
 627                                 'var' => 'wgMetaNamespace',
 628                                 'label' => '', //TODO: Needs a label?
 629                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' ),
 630
 631                         ) ) .
 632                         $this->getFieldSetStart( 'config-admin-box' ) .
 633                         $this->parent->getTextBox( array(
 634                                 'var' => '_AdminName',
 635                                 'label' => 'config-admin-name',
 636                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 637                         ) ) .
 638                         $this->parent->getPasswordBox( array(
 639                                 'var' => '_AdminPassword',
 640                                 'label' => 'config-admin-password',
 641                         ) ) .
 642                         $this->parent->getPasswordBox( array(
 643                                 'var' => '_AdminPassword2',
 644                                 'label' => 'config-admin-password-confirm'
 645                         ) ) .
 646                         $this->parent->getTextBox( array(
 647                                 'var' => '_AdminEmail',
 648                                 'label' => 'config-admin-email',
 649                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 650                         ) ) .
 651                         $this->parent->getCheckBox( array(
 652                                 'var' => '_Subscribe',
 653                                 'label' => 'config-subscribe',
 654                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 655                         ) ) .
 656                         $this->getFieldSetEnd() .
 657                         $this->parent->getInfoBox( wfMsg( 'config-almost-done' ) ) .
 658                         $this->parent->getRadioSet( array(
 659                                 'var' => '_SkipOptional',
 660                                 'itemLabelPrefix' => 'config-optional-',
 661                                 'values' => array( 'continue', 'skip' )
 662                         ) )
 663                 );
 664
 665                 // Restore the default value
 666                 $this->setVar( 'wgMetaNamespace', $metaNS );
 667
 668                 $this->endForm();
 669                 return 'output';
 670         }
 671
 672         public function submit() {
 673                 $retVal = true;
 674                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 675                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
 676                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 677
 678                 // Validate site name
 679                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 680                         $this->parent->showError( 'config-site-name-blank' );
 681                         $retVal = false;
 682                 }
 683
 684                 // Fetch namespace
 685                 $nsType = $this->getVar( '_NamespaceType' );
 686                 if ( $nsType == 'site-name' ) {
 687                         $name = $this->getVar( 'wgSitename' );
 688                         // Sanitize for namespace
 689                         // This algorithm should match the JS one in WebInstallerOutput.php
 690                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 691                         $name = str_replace( '&', '&amp;', $name );
 692                         $name = preg_replace( '/__+/', '_', $name );
 693                         $name = ucfirst( trim( $name, '_' ) );
 694                 } elseif ( $nsType == 'generic' ) {
 695                         $name = wfMsg( 'config-ns-generic' );
 696                 } else { // other
 697                         $name = $this->getVar( 'wgMetaNamespace' );
 698                 }
 699
 700                 // Validate namespace
 701                 if ( strpos( $name, ':' ) !== false ) {
 702                         $good = false;
 703                 } else {
 704                         // Title-style validation
 705                         $title = Title::newFromText( $name );
 706                         if ( !$title ) {
 707                                 $good = $nsType == 'site-name';
 708                         } else {
 709                                 $name = $title->getDBkey();
 710                                 $good = true;
 711                         }
 712                 }
 713                 if ( !$good ) {
 714                         $this->parent->showError( 'config-ns-invalid', $name );
 715                         $retVal = false;
 716                 }
 717
 718                 // Make sure it won't conflict with any existing namespaces
 719                 global $wgContLang;
 720                 $nsIndex = $wgContLang->getNsIndex( $name );
 721                 if( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 722                         $this->parent->showError( 'config-ns-conflict', $name );
 723                         $retVal = false;
 724                 }
 725
 726                 $this->setVar( 'wgMetaNamespace', $name );
 727
 728                 // Validate username for creation
 729                 $name = $this->getVar( '_AdminName' );
 730                 if ( strval( $name ) === '' ) {
 731                         $this->parent->showError( 'config-admin-name-blank' );
 732                         $cname = $name;
 733                         $retVal = false;
 734                 } else {
 735                         $cname = User::getCanonicalName( $name, 'creatable' );
 736                         if ( $cname === false ) {
 737                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 738                                 $retVal = false;
 739                         } else {
 740                                 $this->setVar( '_AdminName', $cname );
 741                         }
 742                 }
 743
 744                 // Validate password
 745                 $msg = false;
 746                 $pwd = $this->getVar( '_AdminPassword' );
 747                 $user = User::newFromName( $cname );
 748                 $valid = $user && $user->getPasswordValidity( $pwd );
 749                 if ( strval( $pwd ) === '' ) {
 750                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 751                         # This message is more specific and helpful.
 752                         $msg = 'config-admin-password-blank';
 753                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
 754                         $msg = 'config-admin-password-mismatch';
 755                 } elseif ( $valid !== true ) {
 756                         # As of writing this will only catch the username being e.g. 'FOO' and
 757                         # the password 'foo'
 758                         $msg = $valid;
 759                 }
 760                 if ( $msg !== false ) {
 761                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 762                         $this->setVar( '_AdminPassword', '' );
 763                         $this->setVar( '_AdminPassword2', '' );
 764                         $retVal = false;
 765                 }
 766
 767                 // Validate e-mail if provided
 768                 $email = $this->getVar( '_AdminEmail' );
 769                 if( $email && !Sanitizer::validateEmail( $email ) ) {
 770                         $this->parent->showError( 'config-admin-error-bademail' );
 771                         $retVal = false;
 772                 }
 773                 // If they asked to subscribe to mediawiki-announce but didn't give
 774                 // an e-mail, show an error. Bug 29332
 775                 if( !$email && $this->getVar( '_Subscribe' ) ) {
 776                         $this->parent->showError( 'config-subscribe-noemail' );
 777                         $retVal = false;
 778                 }
 779
 780                 return $retVal;
 781         }
 782
 783 }
 784
 785 class WebInstaller_Options extends WebInstallerPage {
 786
 787         public function execute() {
 788                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 789                         return 'skip';
 790                 }
 791                 if ( $this->parent->request->wasPosted() ) {
 792                         if ( $this->submit() ) {
 793                                 return 'continue';
 794                         }
 795                 }
 796
 797                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 798                 $this->startForm();
 799                 $this->addHTML(
 800                         # User Rights
 801                         $this->parent->getRadioSet( array(
 802                                 'var' => '_RightsProfile',
 803                                 'label' => 'config-profile',
 804                                 'itemLabelPrefix' => 'config-profile-',
 805                                 'values' => array_keys( $this->parent->rightsProfiles ),
 806                         ) ) .
 807                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-profile-help' ) ) .
 808
 809                         # Licensing
 810                         $this->parent->getRadioSet( array(
 811                                 'var' => '_LicenseCode',
 812                                 'label' => 'config-license',
 813                                 'itemLabelPrefix' => 'config-license-',
 814                                 'values' => array_keys( $this->parent->licenses ),
 815                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 816                         ) ) .
 817                         $this->getCCChooser() .
 818                         $this->parent->getHelpBox( 'config-license-help' ) .
 819
 820                         # E-mail
 821                         $this->getFieldSetStart( 'config-email-settings' ) .
 822                         $this->parent->getCheckBox( array(
 823                                 'var' => 'wgEnableEmail',
 824                                 'label' => 'config-enable-email',
 825                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 826                         ) ) .
 827                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
 828                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
 829                         $this->parent->getTextBox( array(
 830                                 'var' => 'wgPasswordSender',
 831                                 'label' => 'config-email-sender'
 832                         ) ) .
 833                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
 834                         $this->parent->getCheckBox( array(
 835                                 'var' => 'wgEnableUserEmail',
 836                                 'label' => 'config-email-user',
 837                         ) ) .
 838                         $this->parent->getHelpBox( 'config-email-user-help' ) .
 839                         $this->parent->getCheckBox( array(
 840                                 'var' => 'wgEnotifUserTalk',
 841                                 'label' => 'config-email-usertalk',
 842                         ) ) .
 843                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
 844                         $this->parent->getCheckBox( array(
 845                                 'var' => 'wgEnotifWatchlist',
 846                                 'label' => 'config-email-watchlist',
 847                         ) ) .
 848                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 849                         $this->parent->getCheckBox( array(
 850                                 'var' => 'wgEmailAuthentication',
 851                                 'label' => 'config-email-auth',
 852                         ) ) .
 853                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 854                         "</div>" .
 855                         $this->getFieldSetEnd()
 856                 );
 857
 858                 $extensions = $this->parent->findExtensions();
 859
 860                 if( $extensions ) {
 861                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
 862
 863                         foreach( $extensions as $ext ) {
 864                                 $extHtml .= $this->parent->getCheckBox( array(
 865                                         'var' => "ext-$ext",
 866                                         'rawtext' => $ext,
 867                                 ) );
 868                         }
 869
 870                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 871                         $this->getFieldSetEnd();
 872                         $this->addHTML( $extHtml );
 873                 }
 874
 875                 // Having / in paths in Windows looks funny :)
 876                 $this->setVar( 'wgDeletedDirectory',
 877                         str_replace(
 878                                 '/', DIRECTORY_SEPARATOR,
 879                                 $this->getVar( 'wgDeletedDirectory' )
 880                         )
 881                 );
 882
 883                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 884                 $this->addHTML(
 885                         # Uploading
 886                         $this->getFieldSetStart( 'config-upload-settings' ) .
 887                         $this->parent->getCheckBox( array(
 888                                 'var' => 'wgEnableUploads',
 889                                 'label' => 'config-upload-enable',
 890                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
 891                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 892                         ) ) .
 893                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
 894                         $this->parent->getTextBox( array(
 895                                 'var' => 'wgDeletedDirectory',
 896                                 'label' => 'config-upload-deleted',
 897                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
 898                         ) ) .
 899                         '</div>' .
 900                         $this->parent->getTextBox( array(
 901                                 'var' => 'wgLogo',
 902                                 'label' => 'config-logo',
 903                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
 904                         ) )
 905                 );
 906                 $this->addHTML(
 907                         $this->parent->getCheckBox( array(
 908                                 'var' => 'wgUseInstantCommons',
 909                                 'label' => 'config-instantcommons',
 910                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
 911                         ) ) .
 912                         $this->getFieldSetEnd()
 913                 );
 914
 915                 $caches = array( 'none' );
 916                 if( count( $this->getVar( '_Caches' ) ) ) {
 917                         $caches[] = 'accel';
 918                 }
 919                 $caches[] = 'memcached';
 920
 921                 $this->addHTML(
 922                         # Advanced settings
 923                         $this->getFieldSetStart( 'config-advanced-settings' ) .
 924                         # Object cache settings
 925                         $this->parent->getRadioSet( array(
 926                                 'var' => 'wgMainCacheType',
 927                                 'label' => 'config-cache-options',
 928                                 'itemLabelPrefix' => 'config-cache-',
 929                                 'values' => $caches,
 930                                 'value' => 'none',
 931                         ) ) .
 932                         $this->parent->getHelpBox( 'config-cache-help' ) .
 933                         '<div id="config-memcachewrapper">' .
 934                         $this->parent->getTextArea( array(
 935                                 'var' => '_MemCachedServers',
 936                                 'label' => 'config-memcached-servers',
 937                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
 938                         ) ) .
 939                         '</div>' .
 940                         $this->getFieldSetEnd()
 941                 );
 942                 $this->endForm();
 943         }
 944
 945         /**
 946          * @return string
 947          */
 948         public function getCCPartnerUrl() {
 949                 $server = $this->getVar( 'wgServer' );
 950                 $exitUrl = $server . $this->parent->getUrl( array(
 951                         'page' => 'Options',
 952                         'SubmitCC' => 'indeed',
 953                         'config__LicenseCode' => 'cc',
 954                         'config_wgRightsUrl' => '[license_url]',
 955                         'config_wgRightsText' => '[license_name]',
 956                         'config_wgRightsIcon' => '[license_button]',
 957                 ) );
 958                 $styleUrl = $server . dirname( dirname( $this->parent->getUrl() ) ) .
 959                         '/skins/common/config-cc.css';
 960                 $iframeUrl = 'http://creativecommons.org/license/?' .
 961                         wfArrayToCGI( array(
 962                                 'partner' => 'MediaWiki',
 963                                 'exit_url' => $exitUrl,
 964                                 'lang' => $this->getVar( '_UserLang' ),
 965                                 'stylesheet' => $styleUrl,
 966                         ) );
 967                 return $iframeUrl;
 968         }
 969
 970         public function getCCChooser() {
 971                 $iframeAttribs = array(
 972                         'class' => 'config-cc-iframe',
 973                         'name' => 'config-cc-iframe',
 974                         'id' => 'config-cc-iframe',
 975                         'frameborder' => 0,
 976                         'width' => '100%',
 977                         'height' => '100%',
 978                 );
 979                 if ( $this->getVar( '_CCDone' ) ) {
 980                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
 981                 } else {
 982                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
 983                 }
 984                 $wrapperStyle = ($this->getVar('_LicenseCode') == 'cc-choose') ? '' : 'display: none';
 985
 986                 return
 987                         "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
 988                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
 989                         "</div>\n";
 990         }
 991
 992         public function getCCDoneBox() {
 993                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
 994                 // If you change this height, also change it in config.css
 995                 $expandJs = str_replace( '$1', '54em', $js );
 996                 $reduceJs = str_replace( '$1', '70px', $js );
 997                 return
 998                         '<p>'.
 999                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
1000                         '&#160;&#160;' .
1001                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
1002                         "</p>\n" .
1003                         "<p style=\"text-align: center\">" .
1004                         Html::element( 'a',
1005                                 array(
1006                                         'href' => $this->getCCPartnerUrl(),
1007                                         'onclick' => $expandJs,
1008                                 ),
1009                                 wfMsg( 'config-cc-again' )
1010                         ) .
1011                         "</p>\n" .
1012                         "<script type=\"text/javascript\">\n" .
1013                         # Reduce the wrapper div height
1014                         htmlspecialchars( $reduceJs ) .
1015                         "\n" .
1016                         "</script>\n";
1017         }
1018
1019         public function submitCC() {
1020                 $newValues = $this->parent->setVarsFromRequest(
1021                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
1022                 if ( count( $newValues ) != 3 ) {
1023                         $this->parent->showError( 'config-cc-error' );
1024                         return;
1025                 }
1026                 $this->setVar( '_CCDone', true );
1027                 $this->addHTML( $this->getCCDoneBox() );
1028         }
1029
1030         public function submit() {
1031                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1032                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1033                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1034                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1035                         'wgUseInstantCommons' ) );
1036
1037                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1038                         array_keys( $this->parent->rightsProfiles ) ) )
1039                 {
1040                         reset( $this->parent->rightsProfiles );
1041                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1042                 }
1043
1044                 $code = $this->getVar( '_LicenseCode' );
1045                 if ( $code == 'cc-choose' ) {
1046                         if ( !$this->getVar( '_CCDone' ) ) {
1047                                 $this->parent->showError( 'config-cc-not-chosen' );
1048                                 return false;
1049                         }
1050                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1051                         $entry = $this->parent->licenses[$code];
1052                         if ( isset( $entry['text'] ) ) {
1053                                 $this->setVar( 'wgRightsText', $entry['text'] );
1054                         } else {
1055                                 $this->setVar( 'wgRightsText', wfMsg( 'config-license-' . $code ) );
1056                         }
1057                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1058                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1059                 } else {
1060                         $this->setVar( 'wgRightsText', '' );
1061                         $this->setVar( 'wgRightsUrl', '' );
1062                         $this->setVar( 'wgRightsIcon', '' );
1063                 }
1064
1065                 $extsAvailable = $this->parent->findExtensions();
1066                 $extsToInstall = array();
1067                 foreach( $extsAvailable as $ext ) {
1068                         if( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1069                                 $extsToInstall[] = $ext;
1070                         }
1071                 }
1072                 $this->parent->setVar( '_Extensions', $extsToInstall );
1073
1074                 if( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
1075                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1076                         if( !$memcServers ) {
1077                                 $this->parent->showError( 'config-memcache-needservers' );
1078                                 return false;
1079                         }
1080
1081                         foreach( $memcServers as $server ) {
1082                                 $memcParts = explode( ":", $server );
1083                                 if( !IP::isValid( $memcParts[0] ) ) {
1084                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1085                                         return false;
1086                                 } elseif( !isset( $memcParts[1] )  ) {
1087                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1088                                         return false;
1089                                 } elseif( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1090                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1091                                         return false;
1092                                 }
1093                         }
1094                 }
1095                 return true;
1096         }
1097
1098 }
1099
1100 class WebInstaller_Install extends WebInstallerPage {
1101         public function isSlow() {
1102                 return true;
1103         }
1104
1105         public function execute() {
1106                 if( $this->getVar( '_UpgradeDone' ) ) {
1107                         return 'skip';
1108                 } elseif( $this->getVar( '_InstallDone' ) ) {
1109                         return 'continue';
1110                 } elseif( $this->parent->request->wasPosted() ) {
1111                         $this->startForm();
1112                         $this->addHTML("<ul>");
1113                         $results = $this->parent->performInstallation(
1114                                 array( $this, 'startStage'),
1115                                 array( $this, 'endStage' )
1116                         );
1117                         $this->addHTML("</ul>");
1118                         // PerformInstallation bails on a fatal, so make sure the last item
1119                         // completed before giving 'next.' Likewise, only provide back on failure
1120                         $lastStep = end( $results );
1121                         $continue = $lastStep->isOK() ? 'continue' : false;
1122                         $back = $lastStep->isOK() ? false : 'back';
1123                         $this->endForm( $continue, $back );
1124                 } else {
1125                         $this->startForm();
1126                         $this->addHTML( $this->parent->getInfoBox( wfMsgNoTrans( 'config-install-begin' ) ) );
1127                         $this->endForm();
1128                 }
1129                 return true;
1130         }
1131
1132         public function startStage( $step ) {
1133                 $this->addHTML( "<li>" . wfMsgHtml( "config-install-$step" ) . wfMsg( 'ellipsis') );
1134                 if ( $step == 'extension-tables' ) {
1135                         $this->startLiveBox();
1136                 }
1137         }
1138
1139         /**
1140          * @param $step
1141          * @param $status Status
1142          */
1143         public function endStage( $step, $status ) {
1144                 if ( $step == 'extension-tables' ) {
1145                         $this->endLiveBox();
1146                 }
1147                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1148                 $html = wfMsgHtml( 'word-separator' ) . wfMsgHtml( $msg );
1149                 if ( !$status->isOk() ) {
1150                         $html = "<span class=\"error\">$html</span>";
1151                 }
1152                 $this->addHTML( $html . "</li>\n" );
1153                 if( !$status->isGood() ) {
1154                         $this->parent->showStatusBox( $status );
1155                 }
1156         }
1157
1158 }
1159
1160 class WebInstaller_Complete extends WebInstallerPage {
1161
1162         public function execute() {
1163                 // Pop up a dialog box, to make it difficult for the user to forget
1164                 // to download the file
1165                 $lsUrl = $this->getVar( 'wgServer' ) . $this->parent->getURL( array( 'localsettings' => 1 ) );
1166                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false ) {
1167                         // JS appears the only method that works consistently with IE7+
1168                         $this->addHtml( "\n<script type=\"" . $GLOBALS['wgJsMimeType'] . '">jQuery( document ).ready( function() { document.location='
1169                                 . Xml::encodeJsVar( $lsUrl) . "; } );</script>\n" );
1170                 } else {
1171                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1172                 }
1173
1174                 $this->startForm();
1175                 $this->parent->disableLinkPopups();
1176                 $this->addHTML(
1177                         $this->parent->getInfoBox(
1178                                 wfMsgNoTrans( 'config-install-done',
1179                                         $lsUrl,
1180                                         $this->getVar( 'wgServer' ) .
1181                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1182                                                 $this->getVar( 'wgScriptExtension' ),
1183                                         '<downloadlink/>'
1184                                 ), 'tick-32.png'
1185                         )
1186                 );
1187                 $this->parent->restoreLinkPopups();
1188                 $this->endForm( false, false );
1189         }
1190 }
1191
1192 class WebInstaller_Restart extends WebInstallerPage {
1193
1194         public function execute() {
1195                 $r = $this->parent->request;
1196                 if ( $r->wasPosted() ) {
1197                         $really = $r->getVal( 'submit-restart' );
1198                         if ( $really ) {
1199                                 $this->parent->reset();
1200                         }
1201                         return 'continue';
1202                 }
1203
1204                 $this->startForm();
1205                 $s = $this->parent->getWarningBox( wfMsgNoTrans( 'config-help-restart' ) );
1206                 $this->addHTML( $s );
1207                 $this->endForm( 'restart' );
1208         }
1209
1210 }
1211
1212 abstract class WebInstaller_Document extends WebInstallerPage {
1213
1214         protected abstract function getFileName();
1215
1216         public  function execute() {
1217                 $text = $this->getFileContents();
1218                 $text = InstallDocFormatter::format( $text );
1219                 $this->parent->output->addWikiText( $text );
1220                 $this->startForm();
1221                 $this->endForm( false );
1222         }
1223
1224         public function getFileContents() {
1225                 return file_get_contents( dirname( __FILE__ ) . '/../../' . $this->getFileName() );
1226         }
1227
1228 }
1229
1230 class WebInstaller_Readme extends WebInstaller_Document {
1231         protected function getFileName() { return 'README'; }
1232 }
1233
1234 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1235         protected function getFileName() { return 'RELEASE-NOTES'; }
1236 }
1237
1238 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1239         protected function getFileName() { return 'UPGRADE'; }
1240 }
1241
1242 class WebInstaller_Copying extends WebInstaller_Document {
1243         protected function getFileName() { return 'COPYING'; }
1244 }
1245