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          * @return 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          * @param $name
 216          * @param $label
 217          * @param $selectedCode
 218          * @param $helpHtml string
 219          * @return string
 220          */
 221         public function getLanguageSelector( $name, $label, $selectedCode, $helpHtml = '' ) {
 222                 global $wgDummyLanguageCodes;
 223
 224                 $s = $helpHtml;
 225
 226                 $s .= Html::openElement( 'select', array( 'id' => $name, 'name' => $name, 'tabindex' => $this->parent->nextTabIndex() ) ) . "\n";
 227
 228                 $languages = Language::getLanguageNames();
 229                 ksort( $languages );
 230                 $dummies = array_flip( $wgDummyLanguageCodes );
 231                 foreach ( $languages as $code => $lang ) {
 232                         if ( isset( $dummies[$code] ) ) continue;
 233                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 234                 }
 235                 $s .= "\n</select>\n";
 236                 return $this->parent->label( $label, $name, $s );
 237         }
 238
 239 }
 240
 241 class WebInstaller_ExistingWiki extends WebInstallerPage {
 242         public function execute() {
 243                 // If there is no LocalSettings.php, continue to the installer welcome page
 244                 $vars = Installer::getExistingLocalSettings();
 245                 if ( !$vars ) {
 246                         return 'skip';
 247                 }
 248
 249                 // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 250                 if ( $vars['wgUpgradeKey'] !== false
 251                         && $this->getVar( '_UpgradeKeySupplied' )
 252                         && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] )
 253                 {
 254                         // It's there, so the user is authorized
 255                         $status = $this->handleExistingUpgrade( $vars );
 256                         if ( $status->isOK() ) {
 257                                 return 'skip';
 258                         } else {
 259                                 $this->startForm();
 260                                 $this->parent->showStatusBox( $status );
 261                                 $this->endForm( 'continue' );
 262                                 return 'output';
 263                         }
 264                 }
 265
 266                 // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
 267                 if ( $vars['wgUpgradeKey'] === false ) {
 268                         if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
 269                                 $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
 270                                 $this->parent->generateKeys();
 271                                 $this->setVar( 'wgSecretKey', $secretKey );
 272                                 $this->setVar( '_UpgradeKeySupplied', true );
 273                         }
 274                         $this->startForm();
 275                         $this->addHTML( $this->parent->getInfoBox(
 276                                 wfMsgNoTrans( 'config-upgrade-key-missing',
 277                                         "<pre>\$wgUpgradeKey = '" . $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )
 278                         ) );
 279                         $this->endForm( 'continue' );
 280                         return 'output';
 281                 }
 282
 283                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 284
 285                 $r = $this->parent->request;
 286                 if ( $r->wasPosted() ) {
 287                         $key = $r->getText( 'config_wgUpgradeKey' );
 288                         if( !$key || $key !== $vars['wgUpgradeKey'] ) {
 289                                 $this->parent->showError( 'config-localsettings-badkey' );
 290                                 $this->showKeyForm();
 291                                 return 'output';
 292                         }
 293                         // Key was OK
 294                         $status = $this->handleExistingUpgrade( $vars );
 295                         if ( $status->isOK() ) {
 296                                 return 'continue';
 297                         } else {
 298                                 $this->parent->showStatusBox( $status );
 299                                 $this->showKeyForm();
 300                                 return 'output';
 301                         }
 302                 } else {
 303                         $this->showKeyForm();
 304                         return 'output';
 305                 }
 306         }
 307
 308         /**
 309          * Show the "enter key" form
 310          */
 311         protected function showKeyForm() {
 312                 $this->startForm();
 313                 $this->addHTML(
 314                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-localsettings-upgrade' ) ).
 315                         '<br />' .
 316                         $this->parent->getTextBox( array(
 317                                 'var' => 'wgUpgradeKey',
 318                                 'label' => 'config-localsettings-key',
 319                                 'attribs' => array( 'autocomplete' => 'off' ),
 320                         ) )
 321                 );
 322                 $this->endForm( 'continue' );
 323         }
 324
 325         protected function importVariables( $names, $vars ) {
 326                 $status = Status::newGood();
 327                 foreach ( $names as $name ) {
 328                         if ( !isset( $vars[$name] ) ) {
 329                                 $status->fatal( 'config-localsettings-incomplete', $name );
 330                         }
 331                         $this->setVar( $name, $vars[$name] );
 332                 }
 333                 return $status;
 334         }
 335
 336         /**
 337          * Initiate an upgrade of the existing database
 338          * @param $vars Variables from LocalSettings.php and AdminSettings.php
 339          * @return Status
 340          */
 341         protected function handleExistingUpgrade( $vars ) {
 342                 // Check $wgDBtype
 343                 if ( !isset( $vars['wgDBtype'] ) || !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
 344                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 345                 }
 346
 347                 // Set the relevant variables from LocalSettings.php
 348                 $requiredVars = array( 'wgDBtype' );
 349                 $status = $this->importVariables( $requiredVars , $vars );
 350                 $installer = $this->parent->getDBInstaller();
 351                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 352                 if ( !$status->isOK() ) {
 353                         return $status;
 354                 }
 355
 356                 if ( isset( $vars['wgDBadminuser'] ) ) {
 357                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 358                 } else {
 359                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 360                 }
 361                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 362                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 363                 } else {
 364                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 365                 }
 366
 367                 // Test the database connection
 368                 $status = $installer->getConnection();
 369                 if ( !$status->isOK() ) {
 370                         // Adjust the error message to explain things correctly
 371                         $status->replaceMessage( 'config-connection-error',
 372                                 'config-localsettings-connection-error' );
 373                         return $status;
 374                 }
 375
 376                 // All good
 377                 $this->setVar( '_ExistingDBSettings', true );
 378                 return $status;
 379         }
 380 }
 381
 382 class WebInstaller_Welcome extends WebInstallerPage {
 383
 384         public function execute() {
 385                 if ( $this->parent->request->wasPosted() ) {
 386                         if ( $this->getVar( '_Environment' ) ) {
 387                                 return 'continue';
 388                         }
 389                 }
 390                 $this->parent->output->addWikiText( wfMsgNoTrans( 'config-welcome' ) );
 391                 $status = $this->parent->doEnvironmentChecks();
 392                 if ( $status->isGood() ) {
 393                         $this->parent->output->addHTML( '<span class="success-message">' .
 394                                 wfMsgHtml( 'config-env-good' ) . '</span>' );
 395                         $this->parent->output->addWikiText( wfMsgNoTrans( 'config-copyright',
 396                                 SpecialVersion::getCopyrightAndAuthorList() ) );
 397                         $this->startForm();
 398                         $this->endForm();
 399                 } else {
 400                         $this->parent->showStatusMessage( $status );
 401                 }
 402         }
 403
 404 }
 405
 406 class WebInstaller_DBConnect extends WebInstallerPage {
 407
 408         public function execute() {
 409                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 410                         return 'skip';
 411                 }
 412
 413                 $r = $this->parent->request;
 414                 if ( $r->wasPosted() ) {
 415                         $status = $this->submit();
 416
 417                         if ( $status->isGood() ) {
 418                                 $this->setVar( '_UpgradeDone', false );
 419                                 return 'continue';
 420                         } else {
 421                                 $this->parent->showStatusBox( $status );
 422                         }
 423                 }
 424
 425                 $this->startForm();
 426
 427                 $types = "<ul class=\"config-settings-block\">\n";
 428                 $settings = '';
 429                 $defaultType = $this->getVar( 'wgDBtype' );
 430
 431                 $dbSupport = '';
 432                 foreach( $this->parent->getDBTypes() as $type ) {
 433                         $link = DatabaseBase::factory( $type )->getSoftwareLink();
 434                         $dbSupport .= wfMsgNoTrans( "config-support-$type", $link ) . "\n";
 435                 }
 436                 $this->addHTML( $this->parent->getInfoBox(
 437                         wfMsg( 'config-support-info', $dbSupport ) ) );
 438
 439                 foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
 440                         $installer = $this->parent->getDBInstaller( $type );
 441                         $types .=
 442                                 '<li>' .
 443                                 Xml::radioLabel(
 444                                         $installer->getReadableName(),
 445                                         'DBType',
 446                                         $type,
 447                                         "DBType_$type",
 448                                         $type == $defaultType,
 449                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 450                                 ) .
 451                                 "</li>\n";
 452
 453                         $settings .=
 454                                 Html::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type, 'class' => 'dbWrapper' ) ) .
 455                                 Html::element( 'h3', array(), wfMsg( 'config-header-' . $type ) ) .
 456                                 $installer->getConnectForm() .
 457                                 "</div>\n";
 458                 }
 459                 $types .= "</ul><br clear=\"left\"/>\n";
 460
 461                 $this->addHTML(
 462                         $this->parent->label( 'config-db-type', false, $types ) .
 463                         $settings
 464                 );
 465
 466                 $this->endForm();
 467         }
 468
 469         public function submit() {
 470                 $r = $this->parent->request;
 471                 $type = $r->getVal( 'DBType' );
 472                 $this->setVar( 'wgDBtype', $type );
 473                 $installer = $this->parent->getDBInstaller( $type );
 474                 if ( !$installer ) {
 475                         return Status::newFatal( 'config-invalid-db-type' );
 476                 }
 477                 return $installer->submitConnectForm();
 478         }
 479
 480 }
 481
 482 class WebInstaller_Upgrade extends WebInstallerPage {
 483         public function isSlow() {
 484                 return true;
 485         }
 486
 487         public function execute() {
 488                 if ( $this->getVar( '_UpgradeDone' ) ) {
 489                         // Allow regeneration of LocalSettings.php, unless we are working
 490                         // from a pre-existing LocalSettings.php file and we want to avoid
 491                         // leaking its contents
 492                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 493                                 // Done message acknowledged
 494                                 return 'continue';
 495                         } else {
 496                                 // Back button click
 497                                 // Show the done message again
 498                                 // Make them click back again if they want to do the upgrade again
 499                                 $this->showDoneMessage();
 500                                 return 'output';
 501                         }
 502                 }
 503
 504                 // wgDBtype is generally valid here because otherwise the previous page
 505                 // (connect) wouldn't have declared its happiness
 506                 $type = $this->getVar( 'wgDBtype' );
 507                 $installer = $this->parent->getDBInstaller( $type );
 508
 509                 if ( !$installer->needsUpgrade() ) {
 510                         return 'skip';
 511                 }
 512
 513                 if ( $this->parent->request->wasPosted() ) {
 514                         $installer->preUpgrade();
 515
 516                         $this->startLiveBox();
 517                         $result = $installer->doUpgrade();
 518                         $this->endLiveBox();
 519
 520                         if ( $result ) {
 521                                 // If they're going to possibly regenerate LocalSettings, we
 522                                 // need to create the upgrade/secret keys. Bug 26481
 523                                 if( !$this->getVar( '_ExistingDBSettings' ) ) {
 524                                         $this->parent->generateKeys();
 525                                 }
 526                                 $this->setVar( '_UpgradeDone', true );
 527                                 $this->showDoneMessage();
 528                                 return 'output';
 529                         }
 530                 }
 531
 532                 $this->startForm();
 533                 $this->addHTML( $this->parent->getInfoBox(
 534                         wfMsgNoTrans( 'config-can-upgrade', $GLOBALS['wgVersion'] ) ) );
 535                 $this->endForm();
 536         }
 537
 538         public function showDoneMessage() {
 539                 $this->startForm();
 540                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 541                 if ( $regenerate ) {
 542                         $msg = 'config-upgrade-done';
 543                 } else {
 544                         $msg = 'config-upgrade-done-no-regenerate';
 545                 }
 546                 $this->parent->disableLinkPopups();
 547                 $this->addHTML(
 548                         $this->parent->getInfoBox(
 549                                 wfMsgNoTrans( $msg,
 550                                         $this->getVar( 'wgServer' ) .
 551                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
 552                                                 $this->getVar( 'wgScriptExtension' )
 553                                 ), 'tick-32.png'
 554                         )
 555                 );
 556                 $this->parent->restoreLinkPopups();
 557                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 558         }
 559
 560 }
 561
 562 class WebInstaller_DBSettings extends WebInstallerPage {
 563
 564         public function execute() {
 565                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 566
 567                 $r = $this->parent->request;
 568                 if ( $r->wasPosted() ) {
 569                         $status = $installer->submitSettingsForm();
 570                         if ( $status === false ) {
 571                                 return 'skip';
 572                         } elseif ( $status->isGood() ) {
 573                                 return 'continue';
 574                         } else {
 575                                 $this->parent->showStatusBox( $status );
 576                         }
 577                 }
 578
 579                 $form = $installer->getSettingsForm();
 580                 if ( $form === false ) {
 581                         return 'skip';
 582                 }
 583
 584                 $this->startForm();
 585                 $this->addHTML( $form );
 586                 $this->endForm();
 587         }
 588
 589 }
 590
 591 class WebInstaller_Name extends WebInstallerPage {
 592
 593         public function execute() {
 594                 $r = $this->parent->request;
 595                 if ( $r->wasPosted() ) {
 596                         if ( $this->submit() ) {
 597                                 return 'continue';
 598                         }
 599                 }
 600
 601                 $this->startForm();
 602
 603                 // Encourage people to not name their site 'MediaWiki' by blanking the
 604                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 605                 // but these two always were the same so had the effect of making the
 606                 // installer forget $wgSitename when navigating back to this page.
 607                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 608                         $this->setVar( 'wgSitename', '' );
 609                 }
 610
 611                 // Set wgMetaNamespace to something valid before we show the form.
 612                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 613                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 614                 $this->setVar( 'wgMetaNamespace', wfMsgForContent( 'config-ns-other-default' ) );
 615
 616                 $this->addHTML(
 617                         $this->parent->getTextBox( array(
 618                                 'var' => 'wgSitename',
 619                                 'label' => 'config-site-name',
 620                           'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 621                         ) ) .
 622                         $this->parent->getRadioSet( array(
 623                                 'var' => '_NamespaceType',
 624                                 'label' => 'config-project-namespace',
 625                                 'itemLabelPrefix' => 'config-ns-',
 626                                 'values' => array( 'site-name', 'generic', 'other' ),
 627                                 'commonAttribs' => array( 'class' => 'enableForOther', 'rel' => 'config_wgMetaNamespace' ),
 628                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 629                         ) ) .
 630                         $this->parent->getTextBox( array(
 631                                 'var' => 'wgMetaNamespace',
 632                                 'label' => '', //TODO: Needs a label?
 633                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' ),
 634
 635                         ) ) .
 636                         $this->getFieldSetStart( 'config-admin-box' ) .
 637                         $this->parent->getTextBox( array(
 638                                 'var' => '_AdminName',
 639                                 'label' => 'config-admin-name',
 640                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 641                         ) ) .
 642                         $this->parent->getPasswordBox( array(
 643                                 'var' => '_AdminPassword',
 644                                 'label' => 'config-admin-password',
 645                         ) ) .
 646                         $this->parent->getPasswordBox( array(
 647                                 'var' => '_AdminPassword2',
 648                                 'label' => 'config-admin-password-confirm'
 649                         ) ) .
 650                         $this->parent->getTextBox( array(
 651                                 'var' => '_AdminEmail',
 652                                 'label' => 'config-admin-email',
 653                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 654                         ) ) .
 655                         $this->parent->getCheckBox( array(
 656                                 'var' => '_Subscribe',
 657                                 'label' => 'config-subscribe',
 658                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 659                         ) ) .
 660                         $this->getFieldSetEnd() .
 661                         $this->parent->getInfoBox( wfMsg( 'config-almost-done' ) ) .
 662                         $this->parent->getRadioSet( array(
 663                                 'var' => '_SkipOptional',
 664                                 'itemLabelPrefix' => 'config-optional-',
 665                                 'values' => array( 'continue', 'skip' )
 666                         ) )
 667                 );
 668
 669                 // Restore the default value
 670                 $this->setVar( 'wgMetaNamespace', $metaNS );
 671
 672                 $this->endForm();
 673                 return 'output';
 674         }
 675
 676         public function submit() {
 677                 $retVal = true;
 678                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 679                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
 680                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 681
 682                 // Validate site name
 683                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 684                         $this->parent->showError( 'config-site-name-blank' );
 685                         $retVal = false;
 686                 }
 687
 688                 // Fetch namespace
 689                 $nsType = $this->getVar( '_NamespaceType' );
 690                 if ( $nsType == 'site-name' ) {
 691                         $name = $this->getVar( 'wgSitename' );
 692                         // Sanitize for namespace
 693                         // This algorithm should match the JS one in WebInstallerOutput.php
 694                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 695                         $name = str_replace( '&', '&amp;', $name );
 696                         $name = preg_replace( '/__+/', '_', $name );
 697                         $name = ucfirst( trim( $name, '_' ) );
 698                 } elseif ( $nsType == 'generic' ) {
 699                         $name = wfMsg( 'config-ns-generic' );
 700                 } else { // other
 701                         $name = $this->getVar( 'wgMetaNamespace' );
 702                 }
 703
 704                 // Validate namespace
 705                 if ( strpos( $name, ':' ) !== false ) {
 706                         $good = false;
 707                 } else {
 708                         // Title-style validation
 709                         $title = Title::newFromText( $name );
 710                         if ( !$title ) {
 711                                 $good = $nsType == 'site-name';
 712                         } else {
 713                                 $name = $title->getDBkey();
 714                                 $good = true;
 715                         }
 716                 }
 717                 if ( !$good ) {
 718                         $this->parent->showError( 'config-ns-invalid', $name );
 719                         $retVal = false;
 720                 }
 721
 722                 // Make sure it won't conflict with any existing namespaces
 723                 global $wgContLang;
 724                 $nsIndex = $wgContLang->getNsIndex( $name );
 725                 if( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 726                         $this->parent->showError( 'config-ns-conflict', $name );
 727                         $retVal = false;
 728                 }
 729
 730                 $this->setVar( 'wgMetaNamespace', $name );
 731
 732                 // Validate username for creation
 733                 $name = $this->getVar( '_AdminName' );
 734                 if ( strval( $name ) === '' ) {
 735                         $this->parent->showError( 'config-admin-name-blank' );
 736                         $cname = $name;
 737                         $retVal = false;
 738                 } else {
 739                         $cname = User::getCanonicalName( $name, 'creatable' );
 740                         if ( $cname === false ) {
 741                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 742                                 $retVal = false;
 743                         } else {
 744                                 $this->setVar( '_AdminName', $cname );
 745                         }
 746                 }
 747
 748                 // Validate password
 749                 $msg = false;
 750                 $pwd = $this->getVar( '_AdminPassword' );
 751                 $user = User::newFromName( $cname );
 752                 $valid = $user && $user->getPasswordValidity( $pwd );
 753                 if ( strval( $pwd ) === '' ) {
 754                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 755                         # This message is more specific and helpful.
 756                         $msg = 'config-admin-password-blank';
 757                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
 758                         $msg = 'config-admin-password-mismatch';
 759                 } elseif ( $valid !== true ) {
 760                         # As of writing this will only catch the username being e.g. 'FOO' and
 761                         # the password 'foo'
 762                         $msg = $valid;
 763                 }
 764                 if ( $msg !== false ) {
 765                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 766                         $this->setVar( '_AdminPassword', '' );
 767                         $this->setVar( '_AdminPassword2', '' );
 768                         $retVal = false;
 769                 }
 770
 771                 // Validate e-mail if provided
 772                 $email = $this->getVar( '_AdminEmail' );
 773                 if( $email && !Sanitizer::validateEmail( $email ) ) {
 774                         $this->parent->showError( 'config-admin-error-bademail' );
 775                         $retVal = false;
 776                 }
 777                 // If they asked to subscribe to mediawiki-announce but didn't give
 778                 // an e-mail, show an error. Bug 29332
 779                 if( !$email && $this->getVar( '_Subscribe' ) ) {
 780                         $this->parent->showError( 'config-subscribe-noemail' );
 781                         $retVal = false;
 782                 }
 783
 784                 return $retVal;
 785         }
 786
 787 }
 788
 789 class WebInstaller_Options extends WebInstallerPage {
 790
 791         public function execute() {
 792                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 793                         return 'skip';
 794                 }
 795                 if ( $this->parent->request->wasPosted() ) {
 796                         if ( $this->submit() ) {
 797                                 return 'continue';
 798                         }
 799                 }
 800
 801                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 802                 $this->startForm();
 803                 $this->addHTML(
 804                         # User Rights
 805                         $this->parent->getRadioSet( array(
 806                                 'var' => '_RightsProfile',
 807                                 'label' => 'config-profile',
 808                                 'itemLabelPrefix' => 'config-profile-',
 809                                 'values' => array_keys( $this->parent->rightsProfiles ),
 810                         ) ) .
 811                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-profile-help' ) ) .
 812
 813                         # Licensing
 814                         $this->parent->getRadioSet( array(
 815                                 'var' => '_LicenseCode',
 816                                 'label' => 'config-license',
 817                                 'itemLabelPrefix' => 'config-license-',
 818                                 'values' => array_keys( $this->parent->licenses ),
 819                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 820                         ) ) .
 821                         $this->getCCChooser() .
 822                         $this->parent->getHelpBox( 'config-license-help' ) .
 823
 824                         # E-mail
 825                         $this->getFieldSetStart( 'config-email-settings' ) .
 826                         $this->parent->getCheckBox( array(
 827                                 'var' => 'wgEnableEmail',
 828                                 'label' => 'config-enable-email',
 829                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 830                         ) ) .
 831                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
 832                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
 833                         $this->parent->getTextBox( array(
 834                                 'var' => 'wgPasswordSender',
 835                                 'label' => 'config-email-sender'
 836                         ) ) .
 837                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
 838                         $this->parent->getCheckBox( array(
 839                                 'var' => 'wgEnableUserEmail',
 840                                 'label' => 'config-email-user',
 841                         ) ) .
 842                         $this->parent->getHelpBox( 'config-email-user-help' ) .
 843                         $this->parent->getCheckBox( array(
 844                                 'var' => 'wgEnotifUserTalk',
 845                                 'label' => 'config-email-usertalk',
 846                         ) ) .
 847                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
 848                         $this->parent->getCheckBox( array(
 849                                 'var' => 'wgEnotifWatchlist',
 850                                 'label' => 'config-email-watchlist',
 851                         ) ) .
 852                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 853                         $this->parent->getCheckBox( array(
 854                                 'var' => 'wgEmailAuthentication',
 855                                 'label' => 'config-email-auth',
 856                         ) ) .
 857                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 858                         "</div>" .
 859                         $this->getFieldSetEnd()
 860                 );
 861
 862                 $extensions = $this->parent->findExtensions();
 863
 864                 if( $extensions ) {
 865                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
 866
 867                         foreach( $extensions as $ext ) {
 868                                 $extHtml .= $this->parent->getCheckBox( array(
 869                                         'var' => "ext-$ext",
 870                                         'rawtext' => $ext,
 871                                 ) );
 872                         }
 873
 874                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 875                         $this->getFieldSetEnd();
 876                         $this->addHTML( $extHtml );
 877                 }
 878
 879                 // Having / in paths in Windows looks funny :)
 880                 $this->setVar( 'wgDeletedDirectory',
 881                         str_replace(
 882                                 '/', DIRECTORY_SEPARATOR,
 883                                 $this->getVar( 'wgDeletedDirectory' )
 884                         )
 885                 );
 886
 887                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 888                 $this->addHTML(
 889                         # Uploading
 890                         $this->getFieldSetStart( 'config-upload-settings' ) .
 891                         $this->parent->getCheckBox( array(
 892                                 'var' => 'wgEnableUploads',
 893                                 'label' => 'config-upload-enable',
 894                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
 895                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 896                         ) ) .
 897                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
 898                         $this->parent->getTextBox( array(
 899                                 'var' => 'wgDeletedDirectory',
 900                                 'label' => 'config-upload-deleted',
 901                                 'attribs' => array( 'dir' => 'ltr' ),
 902                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
 903                         ) ) .
 904                         '</div>' .
 905                         $this->parent->getTextBox( array(
 906                                 'var' => 'wgLogo',
 907                                 'label' => 'config-logo',
 908                                 'attribs' => array( 'dir' => 'ltr' ),
 909                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
 910                         ) )
 911                 );
 912                 $this->addHTML(
 913                         $this->parent->getCheckBox( array(
 914                                 'var' => 'wgUseInstantCommons',
 915                                 'label' => 'config-instantcommons',
 916                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
 917                         ) ) .
 918                         $this->getFieldSetEnd()
 919                 );
 920
 921                 $caches = array( 'none' );
 922                 if( count( $this->getVar( '_Caches' ) ) ) {
 923                         $caches[] = 'accel';
 924                 }
 925                 $caches[] = 'memcached';
 926
 927                 // We'll hide/show this on demand when the value changes, see config.js.
 928                 $cacheval = $this->getVar( 'wgMainCacheType' );
 929                 if (!$cacheval) {
 930                         // We need to set a default here; but don't hardcode it
 931                         // or we lose it every time we reload the page for validation
 932                         // or going back!
 933                         $cacheval = 'none';
 934                 }
 935                 $hidden = ($cacheval == 'memcached') ? '' : 'display: none';
 936                 $this->addHTML(
 937                         # Advanced settings
 938                         $this->getFieldSetStart( 'config-advanced-settings' ) .
 939                         # Object cache settings
 940                         $this->parent->getRadioSet( array(
 941                                 'var' => 'wgMainCacheType',
 942                                 'label' => 'config-cache-options',
 943                                 'itemLabelPrefix' => 'config-cache-',
 944                                 'values' => $caches,
 945                                 'value' => $cacheval,
 946                         ) ) .
 947                         $this->parent->getHelpBox( 'config-cache-help' ) .
 948                         "<div id=\"config-memcachewrapper\" style=\"$hidden\">" .
 949                         $this->parent->getTextArea( array(
 950                                 'var' => '_MemCachedServers',
 951                                 'label' => 'config-memcached-servers',
 952                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
 953                         ) ) .
 954                         '</div>' .
 955                         $this->getFieldSetEnd()
 956                 );
 957                 $this->endForm();
 958         }
 959
 960         /**
 961          * @return string
 962          */
 963         public function getCCPartnerUrl() {
 964                 $server = $this->getVar( 'wgServer' );
 965                 $exitUrl = $server . $this->parent->getUrl( array(
 966                         'page' => 'Options',
 967                         'SubmitCC' => 'indeed',
 968                         'config__LicenseCode' => 'cc',
 969                         'config_wgRightsUrl' => '[license_url]',
 970                         'config_wgRightsText' => '[license_name]',
 971                         'config_wgRightsIcon' => '[license_button]',
 972                 ) );
 973                 $styleUrl = $server . dirname( dirname( $this->parent->getUrl() ) ) .
 974                         '/skins/common/config-cc.css';
 975                 $iframeUrl = 'http://creativecommons.org/license/?' .
 976                         wfArrayToCGI( array(
 977                                 'partner' => 'MediaWiki',
 978                                 'exit_url' => $exitUrl,
 979                                 'lang' => $this->getVar( '_UserLang' ),
 980                                 'stylesheet' => $styleUrl,
 981                         ) );
 982                 return $iframeUrl;
 983         }
 984
 985         public function getCCChooser() {
 986                 $iframeAttribs = array(
 987                         'class' => 'config-cc-iframe',
 988                         'name' => 'config-cc-iframe',
 989                         'id' => 'config-cc-iframe',
 990                         'frameborder' => 0,
 991                         'width' => '100%',
 992                         'height' => '100%',
 993                 );
 994                 if ( $this->getVar( '_CCDone' ) ) {
 995                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
 996                 } else {
 997                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
 998                 }
 999                 $wrapperStyle = ($this->getVar('_LicenseCode') == 'cc-choose') ? '' : 'display: none';
1000
1001                 return
1002                         "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
1003                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
1004                         "</div>\n";
1005         }
1006
1007         public function getCCDoneBox() {
1008                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
1009                 // If you change this height, also change it in config.css
1010                 $expandJs = str_replace( '$1', '54em', $js );
1011                 $reduceJs = str_replace( '$1', '70px', $js );
1012                 return
1013                         '<p>'.
1014                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
1015                         '&#160;&#160;' .
1016                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
1017                         "</p>\n" .
1018                         "<p style=\"text-align: center\">" .
1019                         Html::element( 'a',
1020                                 array(
1021                                         'href' => $this->getCCPartnerUrl(),
1022                                         'onclick' => $expandJs,
1023                                 ),
1024                                 wfMsg( 'config-cc-again' )
1025                         ) .
1026                         "</p>\n" .
1027                         "<script type=\"text/javascript\">\n" .
1028                         # Reduce the wrapper div height
1029                         htmlspecialchars( $reduceJs ) .
1030                         "\n" .
1031                         "</script>\n";
1032         }
1033
1034         public function submitCC() {
1035                 $newValues = $this->parent->setVarsFromRequest(
1036                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
1037                 if ( count( $newValues ) != 3 ) {
1038                         $this->parent->showError( 'config-cc-error' );
1039                         return;
1040                 }
1041                 $this->setVar( '_CCDone', true );
1042                 $this->addHTML( $this->getCCDoneBox() );
1043         }
1044
1045         public function submit() {
1046                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1047                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1048                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1049                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1050                         'wgUseInstantCommons' ) );
1051
1052                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1053                         array_keys( $this->parent->rightsProfiles ) ) )
1054                 {
1055                         reset( $this->parent->rightsProfiles );
1056                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1057                 }
1058
1059                 $code = $this->getVar( '_LicenseCode' );
1060                 if ( $code == 'cc-choose' ) {
1061                         if ( !$this->getVar( '_CCDone' ) ) {
1062                                 $this->parent->showError( 'config-cc-not-chosen' );
1063                                 return false;
1064                         }
1065                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1066                         $entry = $this->parent->licenses[$code];
1067                         if ( isset( $entry['text'] ) ) {
1068                                 $this->setVar( 'wgRightsText', $entry['text'] );
1069                         } else {
1070                                 $this->setVar( 'wgRightsText', wfMsg( 'config-license-' . $code ) );
1071                         }
1072                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1073                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1074                 } else {
1075                         $this->setVar( 'wgRightsText', '' );
1076                         $this->setVar( 'wgRightsUrl', '' );
1077                         $this->setVar( 'wgRightsIcon', '' );
1078                 }
1079
1080                 $extsAvailable = $this->parent->findExtensions();
1081                 $extsToInstall = array();
1082                 foreach( $extsAvailable as $ext ) {
1083                         if( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1084                                 $extsToInstall[] = $ext;
1085                         }
1086                 }
1087                 $this->parent->setVar( '_Extensions', $extsToInstall );
1088
1089                 if( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
1090                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1091                         if( !$memcServers ) {
1092                                 $this->parent->showError( 'config-memcache-needservers' );
1093                                 return false;
1094                         }
1095
1096                         foreach( $memcServers as $server ) {
1097                                 $memcParts = explode( ":", $server, 2 );
1098                                 if ( !isset( $memcParts[0] )
1099                                                 || ( !IP::isValid( $memcParts[0] )
1100                                                         && ( gethostbyname( $memcParts[0] ) == $memcParts[0] ) ) ) {
1101                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1102                                         return false;
1103                                 } elseif( !isset( $memcParts[1] )  ) {
1104                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1105                                         return false;
1106                                 } elseif( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1107                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1108                                         return false;
1109                                 }
1110                         }
1111                 }
1112                 return true;
1113         }
1114
1115 }
1116
1117 class WebInstaller_Install extends WebInstallerPage {
1118         public function isSlow() {
1119                 return true;
1120         }
1121
1122         public function execute() {
1123                 if( $this->getVar( '_UpgradeDone' ) ) {
1124                         return 'skip';
1125                 } elseif( $this->getVar( '_InstallDone' ) ) {
1126                         return 'continue';
1127                 } elseif( $this->parent->request->wasPosted() ) {
1128                         $this->startForm();
1129                         $this->addHTML("<ul>");
1130                         $results = $this->parent->performInstallation(
1131                                 array( $this, 'startStage'),
1132                                 array( $this, 'endStage' )
1133                         );
1134                         $this->addHTML("</ul>");
1135                         // PerformInstallation bails on a fatal, so make sure the last item
1136                         // completed before giving 'next.' Likewise, only provide back on failure
1137                         $lastStep = end( $results );
1138                         $continue = $lastStep->isOK() ? 'continue' : false;
1139                         $back = $lastStep->isOK() ? false : 'back';
1140                         $this->endForm( $continue, $back );
1141                 } else {
1142                         $this->startForm();
1143                         $this->addHTML( $this->parent->getInfoBox( wfMsgNoTrans( 'config-install-begin' ) ) );
1144                         $this->endForm();
1145                 }
1146                 return true;
1147         }
1148
1149         public function startStage( $step ) {
1150                 $this->addHTML( "<li>" . wfMsgHtml( "config-install-$step" ) . wfMsg( 'ellipsis') );
1151                 if ( $step == 'extension-tables' ) {
1152                         $this->startLiveBox();
1153                 }
1154         }
1155
1156         /**
1157          * @param $step
1158          * @param $status Status
1159          */
1160         public function endStage( $step, $status ) {
1161                 if ( $step == 'extension-tables' ) {
1162                         $this->endLiveBox();
1163                 }
1164                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1165                 $html = wfMsgHtml( 'word-separator' ) . wfMsgHtml( $msg );
1166                 if ( !$status->isOk() ) {
1167                         $html = "<span class=\"error\">$html</span>";
1168                 }
1169                 $this->addHTML( $html . "</li>\n" );
1170                 if( !$status->isGood() ) {
1171                         $this->parent->showStatusBox( $status );
1172                 }
1173         }
1174
1175 }
1176
1177 class WebInstaller_Complete extends WebInstallerPage {
1178
1179         public function execute() {
1180                 // Pop up a dialog box, to make it difficult for the user to forget
1181                 // to download the file
1182                 $lsUrl = $this->getVar( 'wgServer' ) . $this->parent->getURL( array( 'localsettings' => 1 ) );
1183                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false ) {
1184                         // JS appears the only method that works consistently with IE7+
1185                         $this->addHtml( "\n<script type=\"" . $GLOBALS['wgJsMimeType'] . '">jQuery( document ).ready( function() { document.location='
1186                                 . Xml::encodeJsVar( $lsUrl) . "; } );</script>\n" );
1187                 } else {
1188                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1189                 }
1190
1191                 $this->startForm();
1192                 $this->parent->disableLinkPopups();
1193                 $this->addHTML(
1194                         $this->parent->getInfoBox(
1195                                 wfMsgNoTrans( 'config-install-done',
1196                                         $lsUrl,
1197                                         $this->getVar( 'wgServer' ) .
1198                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1199                                                 $this->getVar( 'wgScriptExtension' ),
1200                                         '<downloadlink/>'
1201                                 ), 'tick-32.png'
1202                         )
1203                 );
1204                 $this->parent->restoreLinkPopups();
1205                 $this->endForm( false, false );
1206         }
1207 }
1208
1209 class WebInstaller_Restart extends WebInstallerPage {
1210
1211         public function execute() {
1212                 $r = $this->parent->request;
1213                 if ( $r->wasPosted() ) {
1214                         $really = $r->getVal( 'submit-restart' );
1215                         if ( $really ) {
1216                                 $this->parent->reset();
1217                         }
1218                         return 'continue';
1219                 }
1220
1221                 $this->startForm();
1222                 $s = $this->parent->getWarningBox( wfMsgNoTrans( 'config-help-restart' ) );
1223                 $this->addHTML( $s );
1224                 $this->endForm( 'restart' );
1225         }
1226
1227 }
1228
1229 abstract class WebInstaller_Document extends WebInstallerPage {
1230
1231         protected abstract function getFileName();
1232
1233         public  function execute() {
1234                 $text = $this->getFileContents();
1235                 $text = InstallDocFormatter::format( $text );
1236                 $this->parent->output->addWikiText( $text );
1237                 $this->startForm();
1238                 $this->endForm( false );
1239         }
1240
1241         public function getFileContents() {
1242                 return file_get_contents( dirname( __FILE__ ) . '/../../' . $this->getFileName() );
1243         }
1244
1245 }
1246
1247 class WebInstaller_Readme extends WebInstaller_Document {
1248         protected function getFileName() { return 'README'; }
1249 }
1250
1251 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1252         protected function getFileName() { return 'RELEASE-NOTES'; }
1253 }
1254
1255 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1256         protected function getFileName() { return 'UPGRADE'; }
1257 }
1258
1259 class WebInstaller_Copying extends WebInstaller_Document {
1260         protected function getFileName() { return 'COPYING'; }
1261 }
1262