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' =>
  73                                         'visibility:hidden;overflow:hidden;width:1px;margin:0' ) ) . "\n";
  74                 }
  75
  76                 if ( $back ) {
  77                         $s .= Xml::submitButton( wfMsg( "config-$back" ),
  78                                 array(
  79                                         'name' => "submit-$back",
  80                                         'tabindex' => $this->parent->nextTabIndex()
  81                                 ) ) . "\n";
  82                 }
  83
  84                 if ( $continue ) {
  85                         $s .= Xml::submitButton( wfMsg( "config-$continue" ),
  86                                 array(
  87                                         'name' => "submit-$continue",
  88                                         'tabindex' => $this->parent->nextTabIndex(),
  89                                 ) ) . "\n";
  90                 }
  91
  92                 $s .= "</div></form></div>\n";
  93                 $this->addHTML( $s );
  94         }
  95
  96         public function getName() {
  97                 return str_replace( 'WebInstaller_', '', get_class( $this ) );
  98         }
  99
 100         protected function getId() {
 101                 return array_search( $this->getName(), $this->parent->pageSequence );
 102         }
 103
 104         public function getVar( $var ) {
 105                 return $this->parent->getVar( $var );
 106         }
 107
 108         public function setVar( $name, $value ) {
 109                 $this->parent->setVar( $name, $value );
 110         }
 111
 112         /**
 113          * Get the starting tags of a fieldset.
 114          *
 115          * @param $legend String: message name
 116          *
 117          * @return string
 118          */
 119         protected function getFieldsetStart( $legend ) {
 120                 return "\n<fieldset><legend>" . wfMsgHtml( $legend ) . "</legend>\n";
 121         }
 122
 123         /**
 124          * Get the end tag of a fieldset.
 125          *
 126          * @return string
 127          */
 128         protected function getFieldsetEnd() {
 129                 return "</fieldset>\n";
 130         }
 131
 132         /**
 133          * Opens a textarea used to display the progress of a long operation
 134          */
 135         protected function startLiveBox() {
 136                 $this->addHTML(
 137                         '<div id="config-spinner" style="display:none;">' .
 138                         '<img src="../skins/common/images/ajax-loader.gif" /></div>' .
 139                         '<script>jQuery( "#config-spinner" ).show();</script>' .
 140                         '<div id="config-live-log">' .
 141                         '<textarea name="LiveLog" rows="10" cols="30" readonly="readonly">'
 142                 );
 143                 $this->parent->output->flush();
 144         }
 145
 146         /**
 147          * Opposite to startLiveBox()
 148          */
 149         protected function endLiveBox() {
 150                 $this->addHTML( '</textarea></div>
 151 <script>jQuery( "#config-spinner" ).hide()</script>' );
 152                 $this->parent->output->flush();
 153         }
 154 }
 155
 156 class WebInstaller_Language extends WebInstallerPage {
 157
 158         public function execute() {
 159                 global $wgLang;
 160                 $r = $this->parent->request;
 161                 $userLang = $r->getVal( 'userlang' );
 162                 $contLang = $r->getVal( 'ContLang' );
 163
 164                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
 165                 if ( !$lifetime ) {
 166                         $lifetime = 1440; // PHP default
 167                 }
 168
 169                 if ( $r->wasPosted() ) {
 170                         # Do session test
 171                         if ( $this->parent->getSession( 'test' ) === null ) {
 172                                 $requestTime = $r->getVal( 'LanguageRequestTime' );
 173                                 if ( !$requestTime ) {
 174                                         // The most likely explanation is that the user was knocked back
 175                                         // from another page on POST due to session expiry
 176                                         $msg = 'config-session-expired';
 177                                 } elseif ( time() - $requestTime > $lifetime ) {
 178                                         $msg = 'config-session-expired';
 179                                 } else {
 180                                         $msg = 'config-no-session';
 181                                 }
 182                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
 183                         } else {
 184                                 $languages = Language::getLanguageNames();
 185                                 if ( isset( $languages[$userLang] ) ) {
 186                                         $this->setVar( '_UserLang', $userLang );
 187                                 }
 188                                 if ( isset( $languages[$contLang] ) ) {
 189                                         $this->setVar( 'wgLanguageCode', $contLang );
 190                                 }
 191                                 return 'continue';
 192                         }
 193                 } elseif ( $this->parent->showSessionWarning ) {
 194                         # The user was knocked back from another page to the start
 195                         # This probably indicates a session expiry
 196                         $this->parent->showError( 'config-session-expired',
 197                                 $wgLang->formatTimePeriod( $lifetime ) );
 198                 }
 199
 200                 $this->parent->setSession( 'test', true );
 201
 202                 if ( !isset( $languages[$userLang] ) ) {
 203                         $userLang = $this->getVar( '_UserLang', 'en' );
 204                 }
 205                 if ( !isset( $languages[$contLang] ) ) {
 206                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
 207                 }
 208                 $this->startForm();
 209                 $s = Html::hidden( 'LanguageRequestTime', time() ) .
 210                         $this->getLanguageSelector( 'userlang', 'config-your-language', $userLang,
 211                                 $this->parent->getHelpBox( 'config-your-language-help' ) ) .
 212                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang,
 213                                 $this->parent->getHelpBox( 'config-wiki-language-help' ) );
 214                 $this->addHTML( $s );
 215                 $this->endForm( 'continue', false );
 216         }
 217
 218         /**
 219          * Get a <select> for selecting languages.
 220          *
 221          * @param $name
 222          * @param $label
 223          * @param $selectedCode
 224          * @param $helpHtml string
 225          * @return string
 226          */
 227         public function getLanguageSelector( $name, $label, $selectedCode, $helpHtml = '' ) {
 228                 global $wgDummyLanguageCodes;
 229
 230                 $s = $helpHtml;
 231
 232                 $s .= Html::openElement( 'select', array( 'id' => $name, 'name' => $name,
 233                                 'tabindex' => $this->parent->nextTabIndex() ) ) . "\n";
 234
 235                 $languages = Language::getLanguageNames();
 236                 ksort( $languages );
 237                 foreach ( $languages as $code => $lang ) {
 238                         if ( isset( $wgDummyLanguageCodes[$code] ) ) continue;
 239                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 240                 }
 241                 $s .= "\n</select>\n";
 242                 return $this->parent->label( $label, $name, $s );
 243         }
 244
 245 }
 246
 247 class WebInstaller_ExistingWiki extends WebInstallerPage {
 248         public function execute() {
 249                 // If there is no LocalSettings.php, continue to the installer welcome page
 250                 $vars = Installer::getExistingLocalSettings();
 251                 if ( !$vars ) {
 252                         return 'skip';
 253                 }
 254
 255                 // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 256                 if ( $vars['wgUpgradeKey'] !== false
 257                         && $this->getVar( '_UpgradeKeySupplied' )
 258                         && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] )
 259                 {
 260                         // It's there, so the user is authorized
 261                         $status = $this->handleExistingUpgrade( $vars );
 262                         if ( $status->isOK() ) {
 263                                 return 'skip';
 264                         } else {
 265                                 $this->startForm();
 266                                 $this->parent->showStatusBox( $status );
 267                                 $this->endForm( 'continue' );
 268                                 return 'output';
 269                         }
 270                 }
 271
 272                 // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
 273                 if ( $vars['wgUpgradeKey'] === false ) {
 274                         if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
 275                                 $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
 276                                 $this->parent->generateKeys();
 277                                 $this->setVar( 'wgSecretKey', $secretKey );
 278                                 $this->setVar( '_UpgradeKeySupplied', true );
 279                         }
 280                         $this->startForm();
 281                         $this->addHTML( $this->parent->getInfoBox(
 282                                 wfMsgNoTrans( 'config-upgrade-key-missing',
 283                                         "<pre>\$wgUpgradeKey = '" . $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )
 284                         ) );
 285                         $this->endForm( 'continue' );
 286                         return 'output';
 287                 }
 288
 289                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 290
 291                 $r = $this->parent->request;
 292                 if ( $r->wasPosted() ) {
 293                         $key = $r->getText( 'config_wgUpgradeKey' );
 294                         if( !$key || $key !== $vars['wgUpgradeKey'] ) {
 295                                 $this->parent->showError( 'config-localsettings-badkey' );
 296                                 $this->showKeyForm();
 297                                 return 'output';
 298                         }
 299                         // Key was OK
 300                         $status = $this->handleExistingUpgrade( $vars );
 301                         if ( $status->isOK() ) {
 302                                 return 'continue';
 303                         } else {
 304                                 $this->parent->showStatusBox( $status );
 305                                 $this->showKeyForm();
 306                                 return 'output';
 307                         }
 308                 } else {
 309                         $this->showKeyForm();
 310                         return 'output';
 311                 }
 312         }
 313
 314         /**
 315          * Show the "enter key" form
 316          */
 317         protected function showKeyForm() {
 318                 $this->startForm();
 319                 $this->addHTML(
 320                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-localsettings-upgrade' ) ).
 321                         '<br />' .
 322                         $this->parent->getTextBox( array(
 323                                 'var' => 'wgUpgradeKey',
 324                                 'label' => 'config-localsettings-key',
 325                                 'attribs' => array( 'autocomplete' => 'off' ),
 326                         ) )
 327                 );
 328                 $this->endForm( 'continue' );
 329         }
 330
 331         protected function importVariables( $names, $vars ) {
 332                 $status = Status::newGood();
 333                 foreach ( $names as $name ) {
 334                         if ( !isset( $vars[$name] ) ) {
 335                                 $status->fatal( 'config-localsettings-incomplete', $name );
 336                         }
 337                         $this->setVar( $name, $vars[$name] );
 338                 }
 339                 return $status;
 340         }
 341
 342         /**
 343          * Initiate an upgrade of the existing database
 344          * @param $vars Variables from LocalSettings.php and AdminSettings.php
 345          * @return Status
 346          */
 347         protected function handleExistingUpgrade( $vars ) {
 348                 // Check $wgDBtype
 349                 if ( !isset( $vars['wgDBtype'] ) ||
 350                          !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
 351                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 352                 }
 353
 354                 // Set the relevant variables from LocalSettings.php
 355                 $requiredVars = array( 'wgDBtype' );
 356                 $status = $this->importVariables( $requiredVars , $vars );
 357                 $installer = $this->parent->getDBInstaller();
 358                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 359                 if ( !$status->isOK() ) {
 360                         return $status;
 361                 }
 362
 363                 if ( isset( $vars['wgDBadminuser'] ) ) {
 364                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 365                 } else {
 366                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 367                 }
 368                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 369                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 370                 } else {
 371                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 372                 }
 373
 374                 // Test the database connection
 375                 $status = $installer->getConnection();
 376                 if ( !$status->isOK() ) {
 377                         // Adjust the error message to explain things correctly
 378                         $status->replaceMessage( 'config-connection-error',
 379                                 'config-localsettings-connection-error' );
 380                         return $status;
 381                 }
 382
 383                 // All good
 384                 $this->setVar( '_ExistingDBSettings', true );
 385                 return $status;
 386         }
 387 }
 388
 389 class WebInstaller_Welcome extends WebInstallerPage {
 390
 391         public function execute() {
 392                 if ( $this->parent->request->wasPosted() ) {
 393                         if ( $this->getVar( '_Environment' ) ) {
 394                                 return 'continue';
 395                         }
 396                 }
 397                 $this->parent->output->addWikiText( wfMsgNoTrans( 'config-welcome' ) );
 398                 $status = $this->parent->doEnvironmentChecks();
 399                 if ( $status->isGood() ) {
 400                         $this->parent->output->addHTML( '<span class="success-message">' .
 401                                 wfMsgHtml( 'config-env-good' ) . '</span>' );
 402                         $this->parent->output->addWikiText( wfMsgNoTrans( 'config-copyright',
 403                                 SpecialVersion::getCopyrightAndAuthorList() ) );
 404                         $this->startForm();
 405                         $this->endForm();
 406                 } else {
 407                         $this->parent->showStatusMessage( $status );
 408                 }
 409         }
 410
 411 }
 412
 413 class WebInstaller_DBConnect extends WebInstallerPage {
 414
 415         public function execute() {
 416                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 417                         return 'skip';
 418                 }
 419
 420                 $r = $this->parent->request;
 421                 if ( $r->wasPosted() ) {
 422                         $status = $this->submit();
 423
 424                         if ( $status->isGood() ) {
 425                                 $this->setVar( '_UpgradeDone', false );
 426                                 return 'continue';
 427                         } else {
 428                                 $this->parent->showStatusBox( $status );
 429                         }
 430                 }
 431
 432                 $this->startForm();
 433
 434                 $types = "<ul class=\"config-settings-block\">\n";
 435                 $settings = '';
 436                 $defaultType = $this->getVar( 'wgDBtype' );
 437
 438                 $dbSupport = '';
 439                 foreach( $this->parent->getDBTypes() as $type ) {
 440                         $link = DatabaseBase::factory( $type )->getSoftwareLink();
 441                         $dbSupport .= wfMsgNoTrans( "config-support-$type", $link ) . "\n";
 442                 }
 443                 $this->addHTML( $this->parent->getInfoBox(
 444                         wfMsg( 'config-support-info', $dbSupport ) ) );
 445
 446                 foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
 447                         $installer = $this->parent->getDBInstaller( $type );
 448                         $types .=
 449                                 '<li>' .
 450                                 Xml::radioLabel(
 451                                         $installer->getReadableName(),
 452                                         'DBType',
 453                                         $type,
 454                                         "DBType_$type",
 455                                         $type == $defaultType,
 456                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 457                                 ) .
 458                                 "</li>\n";
 459
 460                         $settings .=
 461                                 Html::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type,
 462                                                 'class' => 'dbWrapper' ) ) .
 463                                 Html::element( 'h3', array(), wfMsg( 'config-header-' . $type ) ) .
 464                                 $installer->getConnectForm() .
 465                                 "</div>\n";
 466                 }
 467                 $types .= "</ul><br style=\"clear: left\"/>\n";
 468
 469                 $this->addHTML(
 470                         $this->parent->label( 'config-db-type', false, $types ) .
 471                         $settings
 472                 );
 473
 474                 $this->endForm();
 475         }
 476
 477         public function submit() {
 478                 $r = $this->parent->request;
 479                 $type = $r->getVal( 'DBType' );
 480                 $this->setVar( 'wgDBtype', $type );
 481                 $installer = $this->parent->getDBInstaller( $type );
 482                 if ( !$installer ) {
 483                         return Status::newFatal( 'config-invalid-db-type' );
 484                 }
 485                 return $installer->submitConnectForm();
 486         }
 487
 488 }
 489
 490 class WebInstaller_Upgrade extends WebInstallerPage {
 491         public function isSlow() {
 492                 return true;
 493         }
 494
 495         public function execute() {
 496                 if ( $this->getVar( '_UpgradeDone' ) ) {
 497                         // Allow regeneration of LocalSettings.php, unless we are working
 498                         // from a pre-existing LocalSettings.php file and we want to avoid
 499                         // leaking its contents
 500                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 501                                 // Done message acknowledged
 502                                 return 'continue';
 503                         } else {
 504                                 // Back button click
 505                                 // Show the done message again
 506                                 // Make them click back again if they want to do the upgrade again
 507                                 $this->showDoneMessage();
 508                                 return 'output';
 509                         }
 510                 }
 511
 512                 // wgDBtype is generally valid here because otherwise the previous page
 513                 // (connect) wouldn't have declared its happiness
 514                 $type = $this->getVar( 'wgDBtype' );
 515                 $installer = $this->parent->getDBInstaller( $type );
 516
 517                 if ( !$installer->needsUpgrade() ) {
 518                         return 'skip';
 519                 }
 520
 521                 if ( $this->parent->request->wasPosted() ) {
 522                         $installer->preUpgrade();
 523
 524                         $this->startLiveBox();
 525                         $result = $installer->doUpgrade();
 526                         $this->endLiveBox();
 527
 528                         if ( $result ) {
 529                                 // If they're going to possibly regenerate LocalSettings, we
 530                                 // need to create the upgrade/secret keys. Bug 26481
 531                                 if( !$this->getVar( '_ExistingDBSettings' ) ) {
 532                                         $this->parent->generateKeys();
 533                                 }
 534                                 $this->setVar( '_UpgradeDone', true );
 535                                 $this->showDoneMessage();
 536                                 return 'output';
 537                         }
 538                 }
 539
 540                 $this->startForm();
 541                 $this->addHTML( $this->parent->getInfoBox(
 542                         wfMsgNoTrans( 'config-can-upgrade', $GLOBALS['wgVersion'] ) ) );
 543                 $this->endForm();
 544         }
 545
 546         public function showDoneMessage() {
 547                 $this->startForm();
 548                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 549                 if ( $regenerate ) {
 550                         $msg = 'config-upgrade-done';
 551                 } else {
 552                         $msg = 'config-upgrade-done-no-regenerate';
 553                 }
 554                 $this->parent->disableLinkPopups();
 555                 $this->addHTML(
 556                         $this->parent->getInfoBox(
 557                                 wfMsgNoTrans( $msg,
 558                                         $this->getVar( 'wgServer' ) .
 559                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
 560                                                 $this->getVar( 'wgScriptExtension' )
 561                                 ), 'tick-32.png'
 562                         )
 563                 );
 564                 $this->parent->restoreLinkPopups();
 565                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 566         }
 567
 568 }
 569
 570 class WebInstaller_DBSettings extends WebInstallerPage {
 571
 572         public function execute() {
 573                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 574
 575                 $r = $this->parent->request;
 576                 if ( $r->wasPosted() ) {
 577                         $status = $installer->submitSettingsForm();
 578                         if ( $status === false ) {
 579                                 return 'skip';
 580                         } elseif ( $status->isGood() ) {
 581                                 return 'continue';
 582                         } else {
 583                                 $this->parent->showStatusBox( $status );
 584                         }
 585                 }
 586
 587                 $form = $installer->getSettingsForm();
 588                 if ( $form === false ) {
 589                         return 'skip';
 590                 }
 591
 592                 $this->startForm();
 593                 $this->addHTML( $form );
 594                 $this->endForm();
 595         }
 596
 597 }
 598
 599 class WebInstaller_Name extends WebInstallerPage {
 600
 601         public function execute() {
 602                 $r = $this->parent->request;
 603                 if ( $r->wasPosted() ) {
 604                         if ( $this->submit() ) {
 605                                 return 'continue';
 606                         }
 607                 }
 608
 609                 $this->startForm();
 610
 611                 // Encourage people to not name their site 'MediaWiki' by blanking the
 612                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 613                 // but these two always were the same so had the effect of making the
 614                 // installer forget $wgSitename when navigating back to this page.
 615                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 616                         $this->setVar( 'wgSitename', '' );
 617                 }
 618
 619                 // Set wgMetaNamespace to something valid before we show the form.
 620                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 621                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 622                 $this->setVar( 'wgMetaNamespace', wfMsgForContent( 'config-ns-other-default' ) );
 623
 624                 $this->addHTML(
 625                         $this->parent->getTextBox( array(
 626                                 'var' => 'wgSitename',
 627                                 'label' => 'config-site-name',
 628                           'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 629                         ) ) .
 630                         $this->parent->getRadioSet( array(
 631                                 'var' => '_NamespaceType',
 632                                 'label' => 'config-project-namespace',
 633                                 'itemLabelPrefix' => 'config-ns-',
 634                                 'values' => array( 'site-name', 'generic', 'other' ),
 635                                 'commonAttribs' => array( 'class' => 'enableForOther',
 636                                         'rel' => 'config_wgMetaNamespace' ),
 637                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 638                         ) ) .
 639                         $this->parent->getTextBox( array(
 640                                 'var' => 'wgMetaNamespace',
 641                                 'label' => '', //TODO: Needs a label?
 642                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' ),
 643
 644                         ) ) .
 645                         $this->getFieldSetStart( 'config-admin-box' ) .
 646                         $this->parent->getTextBox( array(
 647                                 'var' => '_AdminName',
 648                                 'label' => 'config-admin-name',
 649                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 650                         ) ) .
 651                         $this->parent->getPasswordBox( array(
 652                                 'var' => '_AdminPassword',
 653                                 'label' => 'config-admin-password',
 654                         ) ) .
 655                         $this->parent->getPasswordBox( array(
 656                                 'var' => '_AdminPassword2',
 657                                 'label' => 'config-admin-password-confirm'
 658                         ) ) .
 659                         $this->parent->getTextBox( array(
 660                                 'var' => '_AdminEmail',
 661                                 'label' => 'config-admin-email',
 662                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 663                         ) ) .
 664                         $this->parent->getCheckBox( array(
 665                                 'var' => '_Subscribe',
 666                                 'label' => 'config-subscribe',
 667                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 668                         ) ) .
 669                         $this->getFieldSetEnd() .
 670                         $this->parent->getInfoBox( wfMsg( 'config-almost-done' ) ) .
 671                         $this->parent->getRadioSet( array(
 672                                 'var' => '_SkipOptional',
 673                                 'itemLabelPrefix' => 'config-optional-',
 674                                 'values' => array( 'continue', 'skip' )
 675                         ) )
 676                 );
 677
 678                 // Restore the default value
 679                 $this->setVar( 'wgMetaNamespace', $metaNS );
 680
 681                 $this->endForm();
 682                 return 'output';
 683         }
 684
 685         public function submit() {
 686                 $retVal = true;
 687                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 688                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
 689                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 690
 691                 // Validate site name
 692                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 693                         $this->parent->showError( 'config-site-name-blank' );
 694                         $retVal = false;
 695                 }
 696
 697                 // Fetch namespace
 698                 $nsType = $this->getVar( '_NamespaceType' );
 699                 if ( $nsType == 'site-name' ) {
 700                         $name = $this->getVar( 'wgSitename' );
 701                         // Sanitize for namespace
 702                         // This algorithm should match the JS one in WebInstallerOutput.php
 703                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 704                         $name = str_replace( '&', '&amp;', $name );
 705                         $name = preg_replace( '/__+/', '_', $name );
 706                         $name = ucfirst( trim( $name, '_' ) );
 707                 } elseif ( $nsType == 'generic' ) {
 708                         $name = wfMsg( 'config-ns-generic' );
 709                 } else { // other
 710                         $name = $this->getVar( 'wgMetaNamespace' );
 711                 }
 712
 713                 // Validate namespace
 714                 if ( strpos( $name, ':' ) !== false ) {
 715                         $good = false;
 716                 } else {
 717                         // Title-style validation
 718                         $title = Title::newFromText( $name );
 719                         if ( !$title ) {
 720                                 $good = $nsType == 'site-name';
 721                         } else {
 722                                 $name = $title->getDBkey();
 723                                 $good = true;
 724                         }
 725                 }
 726                 if ( !$good ) {
 727                         $this->parent->showError( 'config-ns-invalid', $name );
 728                         $retVal = false;
 729                 }
 730
 731                 // Make sure it won't conflict with any existing namespaces
 732                 global $wgContLang;
 733                 $nsIndex = $wgContLang->getNsIndex( $name );
 734                 if( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 735                         $this->parent->showError( 'config-ns-conflict', $name );
 736                         $retVal = false;
 737                 }
 738
 739                 $this->setVar( 'wgMetaNamespace', $name );
 740
 741                 // Validate username for creation
 742                 $name = $this->getVar( '_AdminName' );
 743                 if ( strval( $name ) === '' ) {
 744                         $this->parent->showError( 'config-admin-name-blank' );
 745                         $cname = $name;
 746                         $retVal = false;
 747                 } else {
 748                         $cname = User::getCanonicalName( $name, 'creatable' );
 749                         if ( $cname === false ) {
 750                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 751                                 $retVal = false;
 752                         } else {
 753                                 $this->setVar( '_AdminName', $cname );
 754                         }
 755                 }
 756
 757                 // Validate password
 758                 $msg = false;
 759                 $pwd = $this->getVar( '_AdminPassword' );
 760                 $user = User::newFromName( $cname );
 761                 $valid = $user && $user->getPasswordValidity( $pwd );
 762                 if ( strval( $pwd ) === '' ) {
 763                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 764                         # This message is more specific and helpful.
 765                         $msg = 'config-admin-password-blank';
 766                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
 767                         $msg = 'config-admin-password-mismatch';
 768                 } elseif ( $valid !== true ) {
 769                         # As of writing this will only catch the username being e.g. 'FOO' and
 770                         # the password 'foo'
 771                         $msg = $valid;
 772                 }
 773                 if ( $msg !== false ) {
 774                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 775                         $this->setVar( '_AdminPassword', '' );
 776                         $this->setVar( '_AdminPassword2', '' );
 777                         $retVal = false;
 778                 }
 779
 780                 // Validate e-mail if provided
 781                 $email = $this->getVar( '_AdminEmail' );
 782                 if( $email && !Sanitizer::validateEmail( $email ) ) {
 783                         $this->parent->showError( 'config-admin-error-bademail' );
 784                         $retVal = false;
 785                 }
 786                 // If they asked to subscribe to mediawiki-announce but didn't give
 787                 // an e-mail, show an error. Bug 29332
 788                 if( !$email && $this->getVar( '_Subscribe' ) ) {
 789                         $this->parent->showError( 'config-subscribe-noemail' );
 790                         $retVal = false;
 791                 }
 792
 793                 return $retVal;
 794         }
 795
 796 }
 797
 798 class WebInstaller_Options extends WebInstallerPage {
 799
 800         public function execute() {
 801                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 802                         return 'skip';
 803                 }
 804                 if ( $this->parent->request->wasPosted() ) {
 805                         if ( $this->submit() ) {
 806                                 return 'continue';
 807                         }
 808                 }
 809
 810                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 811                 $this->startForm();
 812                 $this->addHTML(
 813                         # User Rights
 814                         $this->parent->getRadioSet( array(
 815                                 'var' => '_RightsProfile',
 816                                 'label' => 'config-profile',
 817                                 'itemLabelPrefix' => 'config-profile-',
 818                                 'values' => array_keys( $this->parent->rightsProfiles ),
 819                         ) ) .
 820                         $this->parent->getInfoBox( wfMsgNoTrans( 'config-profile-help' ) ) .
 821
 822                         # Licensing
 823                         $this->parent->getRadioSet( array(
 824                                 'var' => '_LicenseCode',
 825                                 'label' => 'config-license',
 826                                 'itemLabelPrefix' => 'config-license-',
 827                                 'values' => array_keys( $this->parent->licenses ),
 828                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 829                         ) ) .
 830                         $this->getCCChooser() .
 831                         $this->parent->getHelpBox( 'config-license-help' ) .
 832
 833                         # E-mail
 834                         $this->getFieldSetStart( 'config-email-settings' ) .
 835                         $this->parent->getCheckBox( array(
 836                                 'var' => 'wgEnableEmail',
 837                                 'label' => 'config-enable-email',
 838                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 839                         ) ) .
 840                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
 841                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
 842                         $this->parent->getTextBox( array(
 843                                 'var' => 'wgPasswordSender',
 844                                 'label' => 'config-email-sender'
 845                         ) ) .
 846                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
 847                         $this->parent->getCheckBox( array(
 848                                 'var' => 'wgEnableUserEmail',
 849                                 'label' => 'config-email-user',
 850                         ) ) .
 851                         $this->parent->getHelpBox( 'config-email-user-help' ) .
 852                         $this->parent->getCheckBox( array(
 853                                 'var' => 'wgEnotifUserTalk',
 854                                 'label' => 'config-email-usertalk',
 855                         ) ) .
 856                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
 857                         $this->parent->getCheckBox( array(
 858                                 'var' => 'wgEnotifWatchlist',
 859                                 'label' => 'config-email-watchlist',
 860                         ) ) .
 861                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 862                         $this->parent->getCheckBox( array(
 863                                 'var' => 'wgEmailAuthentication',
 864                                 'label' => 'config-email-auth',
 865                         ) ) .
 866                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 867                         "</div>" .
 868                         $this->getFieldSetEnd()
 869                 );
 870
 871                 $extensions = $this->parent->findExtensions();
 872
 873                 if( $extensions ) {
 874                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
 875
 876                         foreach( $extensions as $ext ) {
 877                                 $extHtml .= $this->parent->getCheckBox( array(
 878                                         'var' => "ext-$ext",
 879                                         'rawtext' => $ext,
 880                                 ) );
 881                         }
 882
 883                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 884                         $this->getFieldSetEnd();
 885                         $this->addHTML( $extHtml );
 886                 }
 887
 888                 // Having / in paths in Windows looks funny :)
 889                 $this->setVar( 'wgDeletedDirectory',
 890                         str_replace(
 891                                 '/', DIRECTORY_SEPARATOR,
 892                                 $this->getVar( 'wgDeletedDirectory' )
 893                         )
 894                 );
 895
 896                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 897                 $this->addHTML(
 898                         # Uploading
 899                         $this->getFieldSetStart( 'config-upload-settings' ) .
 900                         $this->parent->getCheckBox( array(
 901                                 'var' => 'wgEnableUploads',
 902                                 'label' => 'config-upload-enable',
 903                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
 904                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 905                         ) ) .
 906                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
 907                         $this->parent->getTextBox( array(
 908                                 'var' => 'wgDeletedDirectory',
 909                                 'label' => 'config-upload-deleted',
 910                                 'attribs' => array( 'dir' => 'ltr' ),
 911                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
 912                         ) ) .
 913                         '</div>' .
 914                         $this->parent->getTextBox( array(
 915                                 'var' => 'wgLogo',
 916                                 'label' => 'config-logo',
 917                                 'attribs' => array( 'dir' => 'ltr' ),
 918                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
 919                         ) )
 920                 );
 921                 $this->addHTML(
 922                         $this->parent->getCheckBox( array(
 923                                 'var' => 'wgUseInstantCommons',
 924                                 'label' => 'config-instantcommons',
 925                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
 926                         ) ) .
 927                         $this->getFieldSetEnd()
 928                 );
 929
 930                 $caches = array( 'none' );
 931                 if( count( $this->getVar( '_Caches' ) ) ) {
 932                         $caches[] = 'accel';
 933                 }
 934                 $caches[] = 'memcached';
 935
 936                 // We'll hide/show this on demand when the value changes, see config.js.
 937                 $cacheval = $this->getVar( 'wgMainCacheType' );
 938                 if (!$cacheval) {
 939                         // We need to set a default here; but don't hardcode it
 940                         // or we lose it every time we reload the page for validation
 941                         // or going back!
 942                         $cacheval = 'none';
 943                 }
 944                 $hidden = ($cacheval == 'memcached') ? '' : 'display: none';
 945                 $this->addHTML(
 946                         # Advanced settings
 947                         $this->getFieldSetStart( 'config-advanced-settings' ) .
 948                         # Object cache settings
 949                         $this->parent->getRadioSet( array(
 950                                 'var' => 'wgMainCacheType',
 951                                 'label' => 'config-cache-options',
 952                                 'itemLabelPrefix' => 'config-cache-',
 953                                 'values' => $caches,
 954                                 'value' => $cacheval,
 955                         ) ) .
 956                         $this->parent->getHelpBox( 'config-cache-help' ) .
 957                         "<div id=\"config-memcachewrapper\" style=\"$hidden\">" .
 958                         $this->parent->getTextArea( array(
 959                                 'var' => '_MemCachedServers',
 960                                 'label' => 'config-memcached-servers',
 961                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
 962                         ) ) .
 963                         '</div>' .
 964                         $this->getFieldSetEnd()
 965                 );
 966                 $this->endForm();
 967         }
 968
 969         /**
 970          * @return string
 971          */
 972         public function getCCPartnerUrl() {
 973                 $server = $this->getVar( 'wgServer' );
 974                 $exitUrl = $server . $this->parent->getUrl( array(
 975                         'page' => 'Options',
 976                         'SubmitCC' => 'indeed',
 977                         'config__LicenseCode' => 'cc',
 978                         'config_wgRightsUrl' => '[license_url]',
 979                         'config_wgRightsText' => '[license_name]',
 980                         'config_wgRightsIcon' => '[license_button]',
 981                 ) );
 982                 $styleUrl = $server . dirname( dirname( $this->parent->getUrl() ) ) .
 983                         '/skins/common/config-cc.css';
 984                 $iframeUrl = 'http://creativecommons.org/license/?' .
 985                         wfArrayToCGI( array(
 986                                 'partner' => 'MediaWiki',
 987                                 'exit_url' => $exitUrl,
 988                                 'lang' => $this->getVar( '_UserLang' ),
 989                                 'stylesheet' => $styleUrl,
 990                         ) );
 991                 return $iframeUrl;
 992         }
 993
 994         public function getCCChooser() {
 995                 $iframeAttribs = array(
 996                         'class' => 'config-cc-iframe',
 997                         'name' => 'config-cc-iframe',
 998                         'id' => 'config-cc-iframe',
 999                         'frameborder' => 0,
1000                         'width' => '100%',
1001                         'height' => '100%',
1002                 );
1003                 if ( $this->getVar( '_CCDone' ) ) {
1004                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
1005                 } else {
1006                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
1007                 }
1008                 $wrapperStyle = ($this->getVar('_LicenseCode') == 'cc-choose') ? '' : 'display: none';
1009
1010                 return
1011                         "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
1012                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
1013                         "</div>\n";
1014         }
1015
1016         public function getCCDoneBox() {
1017                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
1018                 // If you change this height, also change it in config.css
1019                 $expandJs = str_replace( '$1', '54em', $js );
1020                 $reduceJs = str_replace( '$1', '70px', $js );
1021                 return
1022                         '<p>'.
1023                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
1024                         '&#160;&#160;' .
1025                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
1026                         "</p>\n" .
1027                         "<p style=\"text-align: center\">" .
1028                         Html::element( 'a',
1029                                 array(
1030                                         'href' => $this->getCCPartnerUrl(),
1031                                         'onclick' => $expandJs,
1032                                 ),
1033                                 wfMsg( 'config-cc-again' )
1034                         ) .
1035                         "</p>\n" .
1036                         "<script type=\"text/javascript\">\n" .
1037                         # Reduce the wrapper div height
1038                         htmlspecialchars( $reduceJs ) .
1039                         "\n" .
1040                         "</script>\n";
1041         }
1042
1043         public function submitCC() {
1044                 $newValues = $this->parent->setVarsFromRequest(
1045                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
1046                 if ( count( $newValues ) != 3 ) {
1047                         $this->parent->showError( 'config-cc-error' );
1048                         return;
1049                 }
1050                 $this->setVar( '_CCDone', true );
1051                 $this->addHTML( $this->getCCDoneBox() );
1052         }
1053
1054         public function submit() {
1055                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1056                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1057                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1058                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1059                         'wgUseInstantCommons' ) );
1060
1061                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1062                         array_keys( $this->parent->rightsProfiles ) ) )
1063                 {
1064                         reset( $this->parent->rightsProfiles );
1065                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1066                 }
1067
1068                 $code = $this->getVar( '_LicenseCode' );
1069                 if ( $code == 'cc-choose' ) {
1070                         if ( !$this->getVar( '_CCDone' ) ) {
1071                                 $this->parent->showError( 'config-cc-not-chosen' );
1072                                 return false;
1073                         }
1074                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1075                         $entry = $this->parent->licenses[$code];
1076                         if ( isset( $entry['text'] ) ) {
1077                                 $this->setVar( 'wgRightsText', $entry['text'] );
1078                         } else {
1079                                 $this->setVar( 'wgRightsText', wfMsg( 'config-license-' . $code ) );
1080                         }
1081                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1082                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1083                 } else {
1084                         $this->setVar( 'wgRightsText', '' );
1085                         $this->setVar( 'wgRightsUrl', '' );
1086                         $this->setVar( 'wgRightsIcon', '' );
1087                 }
1088
1089                 $extsAvailable = $this->parent->findExtensions();
1090                 $extsToInstall = array();
1091                 foreach( $extsAvailable as $ext ) {
1092                         if( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1093                                 $extsToInstall[] = $ext;
1094                         }
1095                 }
1096                 $this->parent->setVar( '_Extensions', $extsToInstall );
1097
1098                 if( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
1099                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1100                         if( !$memcServers ) {
1101                                 $this->parent->showError( 'config-memcache-needservers' );
1102                                 return false;
1103                         }
1104
1105                         foreach( $memcServers as $server ) {
1106                                 $memcParts = explode( ":", $server, 2 );
1107                                 if ( !isset( $memcParts[0] )
1108                                                 || ( !IP::isValid( $memcParts[0] )
1109                                                         && ( gethostbyname( $memcParts[0] ) == $memcParts[0] ) ) ) {
1110                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1111                                         return false;
1112                                 } elseif( !isset( $memcParts[1] )  ) {
1113                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1114                                         return false;
1115                                 } elseif( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1116                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1117                                         return false;
1118                                 }
1119                         }
1120                 }
1121                 return true;
1122         }
1123
1124 }
1125
1126 class WebInstaller_Install extends WebInstallerPage {
1127         public function isSlow() {
1128                 return true;
1129         }
1130
1131         public function execute() {
1132                 if( $this->getVar( '_UpgradeDone' ) ) {
1133                         return 'skip';
1134                 } elseif( $this->getVar( '_InstallDone' ) ) {
1135                         return 'continue';
1136                 } elseif( $this->parent->request->wasPosted() ) {
1137                         $this->startForm();
1138                         $this->addHTML("<ul>");
1139                         $results = $this->parent->performInstallation(
1140                                 array( $this, 'startStage'),
1141                                 array( $this, 'endStage' )
1142                         );
1143                         $this->addHTML("</ul>");
1144                         // PerformInstallation bails on a fatal, so make sure the last item
1145                         // completed before giving 'next.' Likewise, only provide back on failure
1146                         $lastStep = end( $results );
1147                         $continue = $lastStep->isOK() ? 'continue' : false;
1148                         $back = $lastStep->isOK() ? false : 'back';
1149                         $this->endForm( $continue, $back );
1150                 } else {
1151                         $this->startForm();
1152                         $this->addHTML( $this->parent->getInfoBox( wfMsgNoTrans( 'config-install-begin' ) ) );
1153                         $this->endForm();
1154                 }
1155                 return true;
1156         }
1157
1158         public function startStage( $step ) {
1159                 $this->addHTML( "<li>" . wfMsgHtml( "config-install-$step" ) . wfMsg( 'ellipsis') );
1160                 if ( $step == 'extension-tables' ) {
1161                         $this->startLiveBox();
1162                 }
1163         }
1164
1165         /**
1166          * @param $step
1167          * @param $status Status
1168          */
1169         public function endStage( $step, $status ) {
1170                 if ( $step == 'extension-tables' ) {
1171                         $this->endLiveBox();
1172                 }
1173                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1174                 $html = wfMsgHtml( 'word-separator' ) . wfMsgHtml( $msg );
1175                 if ( !$status->isOk() ) {
1176                         $html = "<span class=\"error\">$html</span>";
1177                 }
1178                 $this->addHTML( $html . "</li>\n" );
1179                 if( !$status->isGood() ) {
1180                         $this->parent->showStatusBox( $status );
1181                 }
1182         }
1183
1184 }
1185
1186 class WebInstaller_Complete extends WebInstallerPage {
1187
1188         public function execute() {
1189                 // Pop up a dialog box, to make it difficult for the user to forget
1190                 // to download the file
1191                 $lsUrl = $this->getVar( 'wgServer' ) . $this->parent->getURL( array( 'localsettings' => 1 ) );
1192                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) &&
1193                          strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false ) {
1194                         // JS appears the only method that works consistently with IE7+
1195                         $this->addHtml( "\n<script type=\"" . $GLOBALS['wgJsMimeType'] .
1196                                 '">jQuery( document ).ready( function() { document.location=' .
1197                                 Xml::encodeJsVar( $lsUrl) . "; } );</script>\n" );
1198                 } else {
1199                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1200                 }
1201
1202                 $this->startForm();
1203                 $this->parent->disableLinkPopups();
1204                 $this->addHTML(
1205                         $this->parent->getInfoBox(
1206                                 wfMsgNoTrans( 'config-install-done',
1207                                         $lsUrl,
1208                                         $this->getVar( 'wgServer' ) .
1209                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1210                                                 $this->getVar( 'wgScriptExtension' ),
1211                                         '<downloadlink/>'
1212                                 ), 'tick-32.png'
1213                         )
1214                 );
1215                 $this->parent->restoreLinkPopups();
1216                 $this->endForm( false, false );
1217         }
1218 }
1219
1220 class WebInstaller_Restart extends WebInstallerPage {
1221
1222         public function execute() {
1223                 $r = $this->parent->request;
1224                 if ( $r->wasPosted() ) {
1225                         $really = $r->getVal( 'submit-restart' );
1226                         if ( $really ) {
1227                                 $this->parent->reset();
1228                         }
1229                         return 'continue';
1230                 }
1231
1232                 $this->startForm();
1233                 $s = $this->parent->getWarningBox( wfMsgNoTrans( 'config-help-restart' ) );
1234                 $this->addHTML( $s );
1235                 $this->endForm( 'restart' );
1236         }
1237
1238 }
1239
1240 abstract class WebInstaller_Document extends WebInstallerPage {
1241
1242         protected abstract function getFileName();
1243
1244         public  function execute() {
1245                 $text = $this->getFileContents();
1246                 $text = InstallDocFormatter::format( $text );
1247                 $this->parent->output->addWikiText( $text );
1248                 $this->startForm();
1249                 $this->endForm( false );
1250         }
1251
1252         public function getFileContents() {
1253                 return file_get_contents( dirname( __FILE__ ) . '/../../' . $this->getFileName() );
1254         }
1255
1256 }
1257
1258 class WebInstaller_Readme extends WebInstaller_Document {
1259         protected function getFileName() { return 'README'; }
1260 }
1261
1262 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1263         protected function getFileName() { return 'RELEASE-NOTES'; }
1264 }
1265
1266 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1267         protected function getFileName() { return 'UPGRADE'; }
1268 }
1269
1270 class WebInstaller_Copying extends WebInstaller_Document {
1271         protected function getFileName() { return 'COPYING'; }
1272 }
1273