includes/installer/WebInstallerPage.php

   1 <?php
   2 /**
   3  * Base code for web installer pages.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Deployment
  22  */
  23
  24 /**
  25  * Abstract class to define pages for the web installer.
  26  *
  27  * @ingroup Deployment
  28  * @since 1.17
  29  */
  30 abstract class WebInstallerPage {
  31
  32         /**
  33          * The WebInstaller object this WebInstallerPage belongs to.
  34          *
  35          * @var WebInstaller
  36          */
  37         public $parent;
  38
  39         public abstract function execute();
  40
  41         /**
  42          * Constructor.
  43          *
  44          * @param $parent WebInstaller
  45          */
  46         public function __construct( WebInstaller $parent ) {
  47                 $this->parent = $parent;
  48         }
  49
  50         /**
  51          * Is this a slow-running page in the installer? If so, WebInstaller will
  52          * set_time_limit(0) before calling execute(). Right now this only applies
  53          * to Install and Upgrade pages
  54          * @return bool
  55          */
  56         public function isSlow() {
  57                 return false;
  58         }
  59
  60         public function addHTML( $html ) {
  61                 $this->parent->output->addHTML( $html );
  62         }
  63
  64         public function startForm() {
  65                 $this->addHTML(
  66                         "<div class=\"config-section\">\n" .
  67                         Html::openElement(
  68                                 'form',
  69                                 array(
  70                                         'method' => 'post',
  71                                         'action' => $this->parent->getUrl( array( 'page' => $this->getName() ) )
  72                                 )
  73                         ) . "\n"
  74                 );
  75         }
  76
  77         public function endForm( $continue = 'continue', $back = 'back' ) {
  78                 $s = "<div class=\"config-submit\">\n";
  79                 $id = $this->getId();
  80
  81                 if ( $id === false ) {
  82                         $s .= Html::hidden( 'lastPage', $this->parent->request->getVal( 'lastPage' ) );
  83                 }
  84
  85                 if ( $continue ) {
  86                         // Fake submit button for enter keypress (bug 26267)
  87                         $s .= Xml::submitButton( wfMessage( "config-$continue" )->text(),
  88                                 array( 'name' => "enter-$continue", 'style' =>
  89                                         'visibility:hidden;overflow:hidden;width:1px;margin:0' ) ) . "\n";
  90                 }
  91
  92                 if ( $back ) {
  93                         $s .= Xml::submitButton( wfMessage( "config-$back" )->text(),
  94                                 array(
  95                                         'name' => "submit-$back",
  96                                         'tabindex' => $this->parent->nextTabIndex()
  97                                 ) ) . "\n";
  98                 }
  99
 100                 if ( $continue ) {
 101                         $s .= Xml::submitButton( wfMessage( "config-$continue" )->text(),
 102                                 array(
 103                                         'name' => "submit-$continue",
 104                                         'tabindex' => $this->parent->nextTabIndex(),
 105                                 ) ) . "\n";
 106                 }
 107
 108                 $s .= "</div></form></div>\n";
 109                 $this->addHTML( $s );
 110         }
 111
 112         public function getName() {
 113                 return str_replace( 'WebInstaller_', '', get_class( $this ) );
 114         }
 115
 116         protected function getId() {
 117                 return array_search( $this->getName(), $this->parent->pageSequence );
 118         }
 119
 120         public function getVar( $var ) {
 121                 return $this->parent->getVar( $var );
 122         }
 123
 124         public function setVar( $name, $value ) {
 125                 $this->parent->setVar( $name, $value );
 126         }
 127
 128         /**
 129          * Get the starting tags of a fieldset.
 130          *
 131          * @param $legend String: message name
 132          *
 133          * @return string
 134          */
 135         protected function getFieldsetStart( $legend ) {
 136                 return "\n<fieldset><legend>" . wfMessage( $legend )->escaped() . "</legend>\n";
 137         }
 138
 139         /**
 140          * Get the end tag of a fieldset.
 141          *
 142          * @return string
 143          */
 144         protected function getFieldsetEnd() {
 145                 return "</fieldset>\n";
 146         }
 147
 148         /**
 149          * Opens a textarea used to display the progress of a long operation
 150          */
 151         protected function startLiveBox() {
 152                 $this->addHTML(
 153                         '<div id="config-spinner" style="display:none;">' .
 154                         '<img src="../skins/common/images/ajax-loader.gif" /></div>' .
 155                         '<script>jQuery( "#config-spinner" ).show();</script>' .
 156                         '<div id="config-live-log">' .
 157                         '<textarea name="LiveLog" rows="10" cols="30" readonly="readonly">'
 158                 );
 159                 $this->parent->output->flush();
 160         }
 161
 162         /**
 163          * Opposite to startLiveBox()
 164          */
 165         protected function endLiveBox() {
 166                 $this->addHTML( '</textarea></div>
 167 <script>jQuery( "#config-spinner" ).hide()</script>' );
 168                 $this->parent->output->flush();
 169         }
 170 }
 171
 172 class WebInstaller_Language extends WebInstallerPage {
 173
 174         public function execute() {
 175                 global $wgLang;
 176                 $r = $this->parent->request;
 177                 $userLang = $r->getVal( 'uselang' );
 178                 $contLang = $r->getVal( 'ContLang' );
 179
 180                 $languages = Language::fetchLanguageNames();
 181                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
 182                 if ( !$lifetime ) {
 183                         $lifetime = 1440; // PHP default
 184                 }
 185
 186                 if ( $r->wasPosted() ) {
 187                         # Do session test
 188                         if ( $this->parent->getSession( 'test' ) === null ) {
 189                                 $requestTime = $r->getVal( 'LanguageRequestTime' );
 190                                 if ( !$requestTime ) {
 191                                         // The most likely explanation is that the user was knocked back
 192                                         // from another page on POST due to session expiry
 193                                         $msg = 'config-session-expired';
 194                                 } elseif ( time() - $requestTime > $lifetime ) {
 195                                         $msg = 'config-session-expired';
 196                                 } else {
 197                                         $msg = 'config-no-session';
 198                                 }
 199                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
 200                         } else {
 201                                 if ( isset( $languages[$userLang] ) ) {
 202                                         $this->setVar( '_UserLang', $userLang );
 203                                 }
 204                                 if ( isset( $languages[$contLang] ) ) {
 205                                         $this->setVar( 'wgLanguageCode', $contLang );
 206                                 }
 207                                 return 'continue';
 208                         }
 209                 } elseif ( $this->parent->showSessionWarning ) {
 210                         # The user was knocked back from another page to the start
 211                         # This probably indicates a session expiry
 212                         $this->parent->showError( 'config-session-expired',
 213                                 $wgLang->formatTimePeriod( $lifetime ) );
 214                 }
 215
 216                 $this->parent->setSession( 'test', true );
 217
 218                 if ( !isset( $languages[$userLang] ) ) {
 219                         $userLang = $this->getVar( '_UserLang', 'en' );
 220                 }
 221                 if ( !isset( $languages[$contLang] ) ) {
 222                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
 223                 }
 224                 $this->startForm();
 225                 $s = Html::hidden( 'LanguageRequestTime', time() ) .
 226                         $this->getLanguageSelector( 'uselang', 'config-your-language', $userLang,
 227                                 $this->parent->getHelpBox( 'config-your-language-help' ) ) .
 228                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang,
 229                                 $this->parent->getHelpBox( 'config-wiki-language-help' ) );
 230                 $this->addHTML( $s );
 231                 $this->endForm( 'continue', false );
 232         }
 233
 234         /**
 235          * Get a "<select>" for selecting languages.
 236          *
 237          * @param $name
 238          * @param $label
 239          * @param $selectedCode
 240          * @param $helpHtml string
 241          * @return string
 242          */
 243         public function getLanguageSelector( $name, $label, $selectedCode, $helpHtml = '' ) {
 244                 global $wgDummyLanguageCodes;
 245
 246                 $s = $helpHtml;
 247
 248                 $s .= Html::openElement( 'select', array( 'id' => $name, 'name' => $name,
 249                                 'tabindex' => $this->parent->nextTabIndex() ) ) . "\n";
 250
 251                 $languages = Language::fetchLanguageNames();
 252                 ksort( $languages );
 253                 foreach ( $languages as $code => $lang ) {
 254                         if ( isset( $wgDummyLanguageCodes[$code] ) ) continue;
 255                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 256                 }
 257                 $s .= "\n</select>\n";
 258                 return $this->parent->label( $label, $name, $s );
 259         }
 260
 261 }
 262
 263 class WebInstaller_ExistingWiki extends WebInstallerPage {
 264         public function execute() {
 265                 // If there is no LocalSettings.php, continue to the installer welcome page
 266                 $vars = Installer::getExistingLocalSettings();
 267                 if ( !$vars ) {
 268                         return 'skip';
 269                 }
 270
 271                 // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 272                 if ( $vars['wgUpgradeKey'] !== false
 273                         && $this->getVar( '_UpgradeKeySupplied' )
 274                         && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] )
 275                 {
 276                         // It's there, so the user is authorized
 277                         $status = $this->handleExistingUpgrade( $vars );
 278                         if ( $status->isOK() ) {
 279                                 return 'skip';
 280                         } else {
 281                                 $this->startForm();
 282                                 $this->parent->showStatusBox( $status );
 283                                 $this->endForm( 'continue' );
 284                                 return 'output';
 285                         }
 286                 }
 287
 288                 // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
 289                 if ( $vars['wgUpgradeKey'] === false ) {
 290                         if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
 291                                 $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
 292                                 $this->parent->generateKeys();
 293                                 $this->setVar( 'wgSecretKey', $secretKey );
 294                                 $this->setVar( '_UpgradeKeySupplied', true );
 295                         }
 296                         $this->startForm();
 297                         $this->addHTML( $this->parent->getInfoBox(
 298                                 wfMessage( 'config-upgrade-key-missing', "<pre dir=\"ltr\">\$wgUpgradeKey = '" .
 299                                         $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )->plain()
 300                         ) );
 301                         $this->endForm( 'continue' );
 302                         return 'output';
 303                 }
 304
 305                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 306
 307                 $r = $this->parent->request;
 308                 if ( $r->wasPosted() ) {
 309                         $key = $r->getText( 'config_wgUpgradeKey' );
 310                         if( !$key || $key !== $vars['wgUpgradeKey'] ) {
 311                                 $this->parent->showError( 'config-localsettings-badkey' );
 312                                 $this->showKeyForm();
 313                                 return 'output';
 314                         }
 315                         // Key was OK
 316                         $status = $this->handleExistingUpgrade( $vars );
 317                         if ( $status->isOK() ) {
 318                                 return 'continue';
 319                         } else {
 320                                 $this->parent->showStatusBox( $status );
 321                                 $this->showKeyForm();
 322                                 return 'output';
 323                         }
 324                 } else {
 325                         $this->showKeyForm();
 326                         return 'output';
 327                 }
 328         }
 329
 330         /**
 331          * Show the "enter key" form
 332          */
 333         protected function showKeyForm() {
 334                 $this->startForm();
 335                 $this->addHTML(
 336                         $this->parent->getInfoBox( wfMessage( 'config-localsettings-upgrade' )->plain() ).
 337                         '<br />' .
 338                         $this->parent->getTextBox( array(
 339                                 'var' => 'wgUpgradeKey',
 340                                 'label' => 'config-localsettings-key',
 341                                 'attribs' => array( 'autocomplete' => 'off' ),
 342                         ) )
 343                 );
 344                 $this->endForm( 'continue' );
 345         }
 346
 347         protected function importVariables( $names, $vars ) {
 348                 $status = Status::newGood();
 349                 foreach ( $names as $name ) {
 350                         if ( !isset( $vars[$name] ) ) {
 351                                 $status->fatal( 'config-localsettings-incomplete', $name );
 352                         }
 353                         $this->setVar( $name, $vars[$name] );
 354                 }
 355                 return $status;
 356         }
 357
 358         /**
 359          * Initiate an upgrade of the existing database
 360          * @param $vars array Variables from LocalSettings.php and AdminSettings.php
 361          * @return Status
 362          */
 363         protected function handleExistingUpgrade( $vars ) {
 364                 // Check $wgDBtype
 365                 if ( !isset( $vars['wgDBtype'] ) ||
 366                          !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
 367                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 368                 }
 369
 370                 // Set the relevant variables from LocalSettings.php
 371                 $requiredVars = array( 'wgDBtype' );
 372                 $status = $this->importVariables( $requiredVars , $vars );
 373                 $installer = $this->parent->getDBInstaller();
 374                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 375                 if ( !$status->isOK() ) {
 376                         return $status;
 377                 }
 378
 379                 if ( isset( $vars['wgDBadminuser'] ) ) {
 380                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 381                 } else {
 382                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 383                 }
 384                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 385                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 386                 } else {
 387                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 388                 }
 389
 390                 // Test the database connection
 391                 $status = $installer->getConnection();
 392                 if ( !$status->isOK() ) {
 393                         // Adjust the error message to explain things correctly
 394                         $status->replaceMessage( 'config-connection-error',
 395                                 'config-localsettings-connection-error' );
 396                         return $status;
 397                 }
 398
 399                 // All good
 400                 $this->setVar( '_ExistingDBSettings', true );
 401                 return $status;
 402         }
 403 }
 404
 405 class WebInstaller_Welcome extends WebInstallerPage {
 406
 407         public function execute() {
 408                 if ( $this->parent->request->wasPosted() ) {
 409                         if ( $this->getVar( '_Environment' ) ) {
 410                                 return 'continue';
 411                         }
 412                 }
 413                 $this->parent->output->addWikiText( wfMessage( 'config-welcome' )->plain() );
 414                 $status = $this->parent->doEnvironmentChecks();
 415                 if ( $status->isGood() ) {
 416                         $this->parent->output->addHTML( '<span class="success-message">' .
 417                                 wfMessage( 'config-env-good' )->escaped() . '</span>' );
 418                         $this->parent->output->addWikiText( wfMessage( 'config-copyright',
 419                                 SpecialVersion::getCopyrightAndAuthorList() )->plain() );
 420                         $this->startForm();
 421                         $this->endForm();
 422                 } else {
 423                         $this->parent->showStatusMessage( $status );
 424                 }
 425         }
 426
 427 }
 428
 429 class WebInstaller_DBConnect extends WebInstallerPage {
 430
 431         public function execute() {
 432                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 433                         return 'skip';
 434                 }
 435
 436                 $r = $this->parent->request;
 437                 if ( $r->wasPosted() ) {
 438                         $status = $this->submit();
 439
 440                         if ( $status->isGood() ) {
 441                                 $this->setVar( '_UpgradeDone', false );
 442                                 return 'continue';
 443                         } else {
 444                                 $this->parent->showStatusBox( $status );
 445                         }
 446                 }
 447
 448                 $this->startForm();
 449
 450                 $types = "<ul class=\"config-settings-block\">\n";
 451                 $settings = '';
 452                 $defaultType = $this->getVar( 'wgDBtype' );
 453
 454                 $dbSupport = '';
 455                 foreach( $this->parent->getDBTypes() as $type ) {
 456                         $link = DatabaseBase::factory( $type )->getSoftwareLink();
 457                         $dbSupport .= wfMessage( "config-support-$type", $link )->plain() . "\n";
 458                 }
 459                 $this->addHTML( $this->parent->getInfoBox(
 460                         wfMessage( 'config-support-info', trim( $dbSupport ) )->text() ) );
 461
 462                 foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
 463                         $installer = $this->parent->getDBInstaller( $type );
 464                         $types .=
 465                                 '<li>' .
 466                                 Xml::radioLabel(
 467                                         $installer->getReadableName(),
 468                                         'DBType',
 469                                         $type,
 470                                         "DBType_$type",
 471                                         $type == $defaultType,
 472                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 473                                 ) .
 474                                 "</li>\n";
 475
 476                         $settings .=
 477                                 Html::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type,
 478                                                 'class' => 'dbWrapper' ) ) .
 479                                 Html::element( 'h3', array(), wfMessage( 'config-header-' . $type )->text() ) .
 480                                 $installer->getConnectForm() .
 481                                 "</div>\n";
 482                 }
 483                 $types .= "</ul><br style=\"clear: left\"/>\n";
 484
 485                 $this->addHTML(
 486                         $this->parent->label( 'config-db-type', false, $types ) .
 487                         $settings
 488                 );
 489
 490                 $this->endForm();
 491         }
 492
 493         public function submit() {
 494                 $r = $this->parent->request;
 495                 $type = $r->getVal( 'DBType' );
 496                 $this->setVar( 'wgDBtype', $type );
 497                 $installer = $this->parent->getDBInstaller( $type );
 498                 if ( !$installer ) {
 499                         return Status::newFatal( 'config-invalid-db-type' );
 500                 }
 501                 return $installer->submitConnectForm();
 502         }
 503
 504 }
 505
 506 class WebInstaller_Upgrade extends WebInstallerPage {
 507         public function isSlow() {
 508                 return true;
 509         }
 510
 511         public function execute() {
 512                 if ( $this->getVar( '_UpgradeDone' ) ) {
 513                         // Allow regeneration of LocalSettings.php, unless we are working
 514                         // from a pre-existing LocalSettings.php file and we want to avoid
 515                         // leaking its contents
 516                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 517                                 // Done message acknowledged
 518                                 return 'continue';
 519                         } else {
 520                                 // Back button click
 521                                 // Show the done message again
 522                                 // Make them click back again if they want to do the upgrade again
 523                                 $this->showDoneMessage();
 524                                 return 'output';
 525                         }
 526                 }
 527
 528                 // wgDBtype is generally valid here because otherwise the previous page
 529                 // (connect) wouldn't have declared its happiness
 530                 $type = $this->getVar( 'wgDBtype' );
 531                 $installer = $this->parent->getDBInstaller( $type );
 532
 533                 if ( !$installer->needsUpgrade() ) {
 534                         return 'skip';
 535                 }
 536
 537                 if ( $this->parent->request->wasPosted() ) {
 538                         $installer->preUpgrade();
 539
 540                         $this->startLiveBox();
 541                         $result = $installer->doUpgrade();
 542                         $this->endLiveBox();
 543
 544                         if ( $result ) {
 545                                 // If they're going to possibly regenerate LocalSettings, we
 546                                 // need to create the upgrade/secret keys. Bug 26481
 547                                 if( !$this->getVar( '_ExistingDBSettings' ) ) {
 548                                         $this->parent->generateKeys();
 549                                 }
 550                                 $this->setVar( '_UpgradeDone', true );
 551                                 $this->showDoneMessage();
 552                                 return 'output';
 553                         }
 554                 }
 555
 556                 $this->startForm();
 557                 $this->addHTML( $this->parent->getInfoBox(
 558                         wfMessage( 'config-can-upgrade', $GLOBALS['wgVersion'] )->plain() ) );
 559                 $this->endForm();
 560         }
 561
 562         public function showDoneMessage() {
 563                 $this->startForm();
 564                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 565                 if ( $regenerate ) {
 566                         $msg = 'config-upgrade-done';
 567                 } else {
 568                         $msg = 'config-upgrade-done-no-regenerate';
 569                 }
 570                 $this->parent->disableLinkPopups();
 571                 $this->addHTML(
 572                         $this->parent->getInfoBox(
 573                                 wfMessage( $msg,
 574                                         $this->getVar( 'wgServer' ) .
 575                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
 576                                                 $this->getVar( 'wgScriptExtension' )
 577                                 )->plain(), 'tick-32.png'
 578                         )
 579                 );
 580                 $this->parent->restoreLinkPopups();
 581                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 582         }
 583
 584 }
 585
 586 class WebInstaller_DBSettings extends WebInstallerPage {
 587
 588         public function execute() {
 589                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 590
 591                 $r = $this->parent->request;
 592                 if ( $r->wasPosted() ) {
 593                         $status = $installer->submitSettingsForm();
 594                         if ( $status === false ) {
 595                                 return 'skip';
 596                         } elseif ( $status->isGood() ) {
 597                                 return 'continue';
 598                         } else {
 599                                 $this->parent->showStatusBox( $status );
 600                         }
 601                 }
 602
 603                 $form = $installer->getSettingsForm();
 604                 if ( $form === false ) {
 605                         return 'skip';
 606                 }
 607
 608                 $this->startForm();
 609                 $this->addHTML( $form );
 610                 $this->endForm();
 611         }
 612
 613 }
 614
 615 class WebInstaller_Name extends WebInstallerPage {
 616
 617         public function execute() {
 618                 $r = $this->parent->request;
 619                 if ( $r->wasPosted() ) {
 620                         if ( $this->submit() ) {
 621                                 return 'continue';
 622                         }
 623                 }
 624
 625                 $this->startForm();
 626
 627                 // Encourage people to not name their site 'MediaWiki' by blanking the
 628                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 629                 // but these two always were the same so had the effect of making the
 630                 // installer forget $wgSitename when navigating back to this page.
 631                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 632                         $this->setVar( 'wgSitename', '' );
 633                 }
 634
 635                 // Set wgMetaNamespace to something valid before we show the form.
 636                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 637                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 638                 $this->setVar(
 639                         'wgMetaNamespace',
 640                         wfMessage( 'config-ns-other-default' )->inContentLanguage()->text()
 641                 );
 642
 643                 $this->addHTML(
 644                         $this->parent->getTextBox( array(
 645                                 'var' => 'wgSitename',
 646                                 'label' => 'config-site-name',
 647                           'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 648                         ) ) .
 649                         $this->parent->getRadioSet( array(
 650                                 'var' => '_NamespaceType',
 651                                 'label' => 'config-project-namespace',
 652                                 'itemLabelPrefix' => 'config-ns-',
 653                                 'values' => array( 'site-name', 'generic', 'other' ),
 654                                 'commonAttribs' => array( 'class' => 'enableForOther',
 655                                         'rel' => 'config_wgMetaNamespace' ),
 656                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 657                         ) ) .
 658                         $this->parent->getTextBox( array(
 659                                 'var' => 'wgMetaNamespace',
 660                                 'label' => '', //TODO: Needs a label?
 661                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' ),
 662
 663                         ) ) .
 664                         $this->getFieldSetStart( 'config-admin-box' ) .
 665                         $this->parent->getTextBox( array(
 666                                 'var' => '_AdminName',
 667                                 'label' => 'config-admin-name',
 668                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 669                         ) ) .
 670                         $this->parent->getPasswordBox( array(
 671                                 'var' => '_AdminPassword',
 672                                 'label' => 'config-admin-password',
 673                         ) ) .
 674                         $this->parent->getPasswordBox( array(
 675                                 'var' => '_AdminPassword2',
 676                                 'label' => 'config-admin-password-confirm'
 677                         ) ) .
 678                         $this->parent->getTextBox( array(
 679                                 'var' => '_AdminEmail',
 680                                 'label' => 'config-admin-email',
 681                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 682                         ) ) .
 683                         $this->parent->getCheckBox( array(
 684                                 'var' => '_Subscribe',
 685                                 'label' => 'config-subscribe',
 686                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 687                         ) ) .
 688                         $this->getFieldSetEnd() .
 689                         $this->parent->getInfoBox( wfMessage( 'config-almost-done' )->text() ) .
 690                         $this->parent->getRadioSet( array(
 691                                 'var' => '_SkipOptional',
 692                                 'itemLabelPrefix' => 'config-optional-',
 693                                 'values' => array( 'continue', 'skip' )
 694                         ) )
 695                 );
 696
 697                 // Restore the default value
 698                 $this->setVar( 'wgMetaNamespace', $metaNS );
 699
 700                 $this->endForm();
 701                 return 'output';
 702         }
 703
 704         public function submit() {
 705                 $retVal = true;
 706                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 707                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
 708                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 709
 710                 // Validate site name
 711                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 712                         $this->parent->showError( 'config-site-name-blank' );
 713                         $retVal = false;
 714                 }
 715
 716                 // Fetch namespace
 717                 $nsType = $this->getVar( '_NamespaceType' );
 718                 if ( $nsType == 'site-name' ) {
 719                         $name = $this->getVar( 'wgSitename' );
 720                         // Sanitize for namespace
 721                         // This algorithm should match the JS one in WebInstallerOutput.php
 722                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 723                         $name = str_replace( '&', '&amp;', $name );
 724                         $name = preg_replace( '/__+/', '_', $name );
 725                         $name = ucfirst( trim( $name, '_' ) );
 726                 } elseif ( $nsType == 'generic' ) {
 727                         $name = wfMessage( 'config-ns-generic' )->text();
 728                 } else { // other
 729                         $name = $this->getVar( 'wgMetaNamespace' );
 730                 }
 731
 732                 // Validate namespace
 733                 if ( strpos( $name, ':' ) !== false ) {
 734                         $good = false;
 735                 } else {
 736                         // Title-style validation
 737                         $title = Title::newFromText( $name );
 738                         if ( !$title ) {
 739                                 $good = $nsType == 'site-name';
 740                         } else {
 741                                 $name = $title->getDBkey();
 742                                 $good = true;
 743                         }
 744                 }
 745                 if ( !$good ) {
 746                         $this->parent->showError( 'config-ns-invalid', $name );
 747                         $retVal = false;
 748                 }
 749
 750                 // Make sure it won't conflict with any existing namespaces
 751                 global $wgContLang;
 752                 $nsIndex = $wgContLang->getNsIndex( $name );
 753                 if( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 754                         $this->parent->showError( 'config-ns-conflict', $name );
 755                         $retVal = false;
 756                 }
 757
 758                 $this->setVar( 'wgMetaNamespace', $name );
 759
 760                 // Validate username for creation
 761                 $name = $this->getVar( '_AdminName' );
 762                 if ( strval( $name ) === '' ) {
 763                         $this->parent->showError( 'config-admin-name-blank' );
 764                         $cname = $name;
 765                         $retVal = false;
 766                 } else {
 767                         $cname = User::getCanonicalName( $name, 'creatable' );
 768                         if ( $cname === false ) {
 769                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 770                                 $retVal = false;
 771                         } else {
 772                                 $this->setVar( '_AdminName', $cname );
 773                         }
 774                 }
 775
 776                 // Validate password
 777                 $msg = false;
 778                 $pwd = $this->getVar( '_AdminPassword' );
 779                 $user = User::newFromName( $cname );
 780                 $valid = $user && $user->getPasswordValidity( $pwd );
 781                 if ( strval( $pwd ) === '' ) {
 782                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 783                         # This message is more specific and helpful.
 784                         $msg = 'config-admin-password-blank';
 785                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
 786                         $msg = 'config-admin-password-mismatch';
 787                 } elseif ( $valid !== true ) {
 788                         # As of writing this will only catch the username being e.g. 'FOO' and
 789                         # the password 'foo'
 790                         $msg = $valid;
 791                 }
 792                 if ( $msg !== false ) {
 793                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 794                         $this->setVar( '_AdminPassword', '' );
 795                         $this->setVar( '_AdminPassword2', '' );
 796                         $retVal = false;
 797                 }
 798
 799                 // Validate e-mail if provided
 800                 $email = $this->getVar( '_AdminEmail' );
 801                 if( $email && !Sanitizer::validateEmail( $email ) ) {
 802                         $this->parent->showError( 'config-admin-error-bademail' );
 803                         $retVal = false;
 804                 }
 805                 // If they asked to subscribe to mediawiki-announce but didn't give
 806                 // an e-mail, show an error. Bug 29332
 807                 if( !$email && $this->getVar( '_Subscribe' ) ) {
 808                         $this->parent->showError( 'config-subscribe-noemail' );
 809                         $retVal = false;
 810                 }
 811
 812                 return $retVal;
 813         }
 814
 815 }
 816
 817 class WebInstaller_Options extends WebInstallerPage {
 818
 819         public function execute() {
 820                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 821                         return 'skip';
 822                 }
 823                 if ( $this->parent->request->wasPosted() ) {
 824                         if ( $this->submit() ) {
 825                                 return 'continue';
 826                         }
 827                 }
 828
 829                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 830                 $this->startForm();
 831                 $this->addHTML(
 832                         # User Rights
 833                         $this->parent->getRadioSet( array(
 834                                 'var' => '_RightsProfile',
 835                                 'label' => 'config-profile',
 836                                 'itemLabelPrefix' => 'config-profile-',
 837                                 'values' => array_keys( $this->parent->rightsProfiles ),
 838                         ) ) .
 839                         $this->parent->getInfoBox( wfMessage( 'config-profile-help' )->plain() ) .
 840
 841                         # Licensing
 842                         $this->parent->getRadioSet( array(
 843                                 'var' => '_LicenseCode',
 844                                 'label' => 'config-license',
 845                                 'itemLabelPrefix' => 'config-license-',
 846                                 'values' => array_keys( $this->parent->licenses ),
 847                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 848                         ) ) .
 849                         $this->getCCChooser() .
 850                         $this->parent->getHelpBox( 'config-license-help' ) .
 851
 852                         # E-mail
 853                         $this->getFieldSetStart( 'config-email-settings' ) .
 854                         $this->parent->getCheckBox( array(
 855                                 'var' => 'wgEnableEmail',
 856                                 'label' => 'config-enable-email',
 857                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 858                         ) ) .
 859                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
 860                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
 861                         $this->parent->getTextBox( array(
 862                                 'var' => 'wgPasswordSender',
 863                                 'label' => 'config-email-sender'
 864                         ) ) .
 865                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
 866                         $this->parent->getCheckBox( array(
 867                                 'var' => 'wgEnableUserEmail',
 868                                 'label' => 'config-email-user',
 869                         ) ) .
 870                         $this->parent->getHelpBox( 'config-email-user-help' ) .
 871                         $this->parent->getCheckBox( array(
 872                                 'var' => 'wgEnotifUserTalk',
 873                                 'label' => 'config-email-usertalk',
 874                         ) ) .
 875                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
 876                         $this->parent->getCheckBox( array(
 877                                 'var' => 'wgEnotifWatchlist',
 878                                 'label' => 'config-email-watchlist',
 879                         ) ) .
 880                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 881                         $this->parent->getCheckBox( array(
 882                                 'var' => 'wgEmailAuthentication',
 883                                 'label' => 'config-email-auth',
 884                         ) ) .
 885                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 886                         "</div>" .
 887                         $this->getFieldSetEnd()
 888                 );
 889
 890                 $extensions = $this->parent->findExtensions();
 891
 892                 if( $extensions ) {
 893                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
 894
 895                         foreach( $extensions as $ext ) {
 896                                 $extHtml .= $this->parent->getCheckBox( array(
 897                                         'var' => "ext-$ext",
 898                                         'rawtext' => $ext,
 899                                 ) );
 900                         }
 901
 902                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 903                         $this->getFieldSetEnd();
 904                         $this->addHTML( $extHtml );
 905                 }
 906
 907                 // Having / in paths in Windows looks funny :)
 908                 $this->setVar( 'wgDeletedDirectory',
 909                         str_replace(
 910                                 '/', DIRECTORY_SEPARATOR,
 911                                 $this->getVar( 'wgDeletedDirectory' )
 912                         )
 913                 );
 914
 915                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 916                 $this->addHTML(
 917                         # Uploading
 918                         $this->getFieldSetStart( 'config-upload-settings' ) .
 919                         $this->parent->getCheckBox( array(
 920                                 'var' => 'wgEnableUploads',
 921                                 'label' => 'config-upload-enable',
 922                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
 923                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 924                         ) ) .
 925                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
 926                         $this->parent->getTextBox( array(
 927                                 'var' => 'wgDeletedDirectory',
 928                                 'label' => 'config-upload-deleted',
 929                                 'attribs' => array( 'dir' => 'ltr' ),
 930                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
 931                         ) ) .
 932                         '</div>' .
 933                         $this->parent->getTextBox( array(
 934                                 'var' => 'wgLogo',
 935                                 'label' => 'config-logo',
 936                                 'attribs' => array( 'dir' => 'ltr' ),
 937                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
 938                         ) )
 939                 );
 940                 $this->addHTML(
 941                         $this->parent->getCheckBox( array(
 942                                 'var' => 'wgUseInstantCommons',
 943                                 'label' => 'config-instantcommons',
 944                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
 945                         ) ) .
 946                         $this->getFieldSetEnd()
 947                 );
 948
 949                 $caches = array( 'none' );
 950                 if( count( $this->getVar( '_Caches' ) ) ) {
 951                         $caches[] = 'accel';
 952                 }
 953                 $caches[] = 'memcached';
 954
 955                 // We'll hide/show this on demand when the value changes, see config.js.
 956                 $cacheval = $this->getVar( 'wgMainCacheType' );
 957                 if (!$cacheval) {
 958                         // We need to set a default here; but don't hardcode it
 959                         // or we lose it every time we reload the page for validation
 960                         // or going back!
 961                         $cacheval = 'none';
 962                 }
 963                 $hidden = ($cacheval == 'memcached') ? '' : 'display: none';
 964                 $this->addHTML(
 965                         # Advanced settings
 966                         $this->getFieldSetStart( 'config-advanced-settings' ) .
 967                         # Object cache settings
 968                         $this->parent->getRadioSet( array(
 969                                 'var' => 'wgMainCacheType',
 970                                 'label' => 'config-cache-options',
 971                                 'itemLabelPrefix' => 'config-cache-',
 972                                 'values' => $caches,
 973                                 'value' => $cacheval,
 974                         ) ) .
 975                         $this->parent->getHelpBox( 'config-cache-help' ) .
 976                         "<div id=\"config-memcachewrapper\" style=\"$hidden\">" .
 977                         $this->parent->getTextArea( array(
 978                                 'var' => '_MemCachedServers',
 979                                 'label' => 'config-memcached-servers',
 980                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
 981                         ) ) .
 982                         '</div>' .
 983                         $this->getFieldSetEnd()
 984                 );
 985                 $this->endForm();
 986         }
 987
 988         /**
 989          * @return string
 990          */
 991         public function getCCPartnerUrl() {
 992                 $server = $this->getVar( 'wgServer' );
 993                 $exitUrl = $server . $this->parent->getUrl( array(
 994                         'page' => 'Options',
 995                         'SubmitCC' => 'indeed',
 996                         'config__LicenseCode' => 'cc',
 997                         'config_wgRightsUrl' => '[license_url]',
 998                         'config_wgRightsText' => '[license_name]',
 999                         'config_wgRightsIcon' => '[license_button]',
1000                 ) );
1001                 $styleUrl = $server . dirname( dirname( $this->parent->getUrl() ) ) .
1002                         '/skins/common/config-cc.css';
1003                 $iframeUrl = 'http://creativecommons.org/license/?' .
1004                         wfArrayToCGI( array(
1005                                 'partner' => 'MediaWiki',
1006                                 'exit_url' => $exitUrl,
1007                                 'lang' => $this->getVar( '_UserLang' ),
1008                                 'stylesheet' => $styleUrl,
1009                         ) );
1010                 return $iframeUrl;
1011         }
1012
1013         public function getCCChooser() {
1014                 $iframeAttribs = array(
1015                         'class' => 'config-cc-iframe',
1016                         'name' => 'config-cc-iframe',
1017                         'id' => 'config-cc-iframe',
1018                         'frameborder' => 0,
1019                         'width' => '100%',
1020                         'height' => '100%',
1021                 );
1022                 if ( $this->getVar( '_CCDone' ) ) {
1023                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
1024                 } else {
1025                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
1026                 }
1027                 $wrapperStyle = ($this->getVar('_LicenseCode') == 'cc-choose') ? '' : 'display: none';
1028
1029                 return
1030                         "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
1031                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
1032                         "</div>\n";
1033         }
1034
1035         public function getCCDoneBox() {
1036                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
1037                 // If you change this height, also change it in config.css
1038                 $expandJs = str_replace( '$1', '54em', $js );
1039                 $reduceJs = str_replace( '$1', '70px', $js );
1040                 return
1041                         '<p>'.
1042                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
1043                         '&#160;&#160;' .
1044                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
1045                         "</p>\n" .
1046                         "<p style=\"text-align: center\">" .
1047                         Html::element( 'a',
1048                                 array(
1049                                         'href' => $this->getCCPartnerUrl(),
1050                                         'onclick' => $expandJs,
1051                                 ),
1052                                 wfMessage( 'config-cc-again' )->text()
1053                         ) .
1054                         "</p>\n" .
1055                         "<script type=\"text/javascript\">\n" .
1056                         # Reduce the wrapper div height
1057                         htmlspecialchars( $reduceJs ) .
1058                         "\n" .
1059                         "</script>\n";
1060         }
1061
1062         public function submitCC() {
1063                 $newValues = $this->parent->setVarsFromRequest(
1064                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
1065                 if ( count( $newValues ) != 3 ) {
1066                         $this->parent->showError( 'config-cc-error' );
1067                         return;
1068                 }
1069                 $this->setVar( '_CCDone', true );
1070                 $this->addHTML( $this->getCCDoneBox() );
1071         }
1072
1073         public function submit() {
1074                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1075                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1076                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1077                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1078                         'wgUseInstantCommons' ) );
1079
1080                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1081                         array_keys( $this->parent->rightsProfiles ) ) )
1082                 {
1083                         reset( $this->parent->rightsProfiles );
1084                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1085                 }
1086
1087                 $code = $this->getVar( '_LicenseCode' );
1088                 if ( $code == 'cc-choose' ) {
1089                         if ( !$this->getVar( '_CCDone' ) ) {
1090                                 $this->parent->showError( 'config-cc-not-chosen' );
1091                                 return false;
1092                         }
1093                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1094                         $entry = $this->parent->licenses[$code];
1095                         if ( isset( $entry['text'] ) ) {
1096                                 $this->setVar( 'wgRightsText', $entry['text'] );
1097                         } else {
1098                                 $this->setVar( 'wgRightsText', wfMessage( 'config-license-' . $code )->text() );
1099                         }
1100                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1101                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1102                 } else {
1103                         $this->setVar( 'wgRightsText', '' );
1104                         $this->setVar( 'wgRightsUrl', '' );
1105                         $this->setVar( 'wgRightsIcon', '' );
1106                 }
1107
1108                 $extsAvailable = $this->parent->findExtensions();
1109                 $extsToInstall = array();
1110                 foreach( $extsAvailable as $ext ) {
1111                         if( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1112                                 $extsToInstall[] = $ext;
1113                         }
1114                 }
1115                 $this->parent->setVar( '_Extensions', $extsToInstall );
1116
1117                 if( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
1118                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1119                         if( !$memcServers ) {
1120                                 $this->parent->showError( 'config-memcache-needservers' );
1121                                 return false;
1122                         }
1123
1124                         foreach( $memcServers as $server ) {
1125                                 $memcParts = explode( ":", $server, 2 );
1126                                 if ( !isset( $memcParts[0] )
1127                                                 || ( !IP::isValid( $memcParts[0] )
1128                                                         && ( gethostbyname( $memcParts[0] ) == $memcParts[0] ) ) ) {
1129                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1130                                         return false;
1131                                 } elseif( !isset( $memcParts[1] )  ) {
1132                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1133                                         return false;
1134                                 } elseif( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1135                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1136                                         return false;
1137                                 }
1138                         }
1139                 }
1140                 return true;
1141         }
1142
1143 }
1144
1145 class WebInstaller_Install extends WebInstallerPage {
1146         public function isSlow() {
1147                 return true;
1148         }
1149
1150         public function execute() {
1151                 if( $this->getVar( '_UpgradeDone' ) ) {
1152                         return 'skip';
1153                 } elseif( $this->getVar( '_InstallDone' ) ) {
1154                         return 'continue';
1155                 } elseif( $this->parent->request->wasPosted() ) {
1156                         $this->startForm();
1157                         $this->addHTML("<ul>");
1158                         $results = $this->parent->performInstallation(
1159                                 array( $this, 'startStage'),
1160                                 array( $this, 'endStage' )
1161                         );
1162                         $this->addHTML("</ul>");
1163                         // PerformInstallation bails on a fatal, so make sure the last item
1164                         // completed before giving 'next.' Likewise, only provide back on failure
1165                         $lastStep = end( $results );
1166                         $continue = $lastStep->isOK() ? 'continue' : false;
1167                         $back = $lastStep->isOK() ? false : 'back';
1168                         $this->endForm( $continue, $back );
1169                 } else {
1170                         $this->startForm();
1171                         $this->addHTML( $this->parent->getInfoBox( wfMessage( 'config-install-begin' )->plain() ) );
1172                         $this->endForm();
1173                 }
1174                 return true;
1175         }
1176
1177         public function startStage( $step ) {
1178                 $this->addHTML( "<li>" . wfMessage( "config-install-$step" )->escaped() . wfMessage( 'ellipsis')->escaped() );
1179                 if ( $step == 'extension-tables' ) {
1180                         $this->startLiveBox();
1181                 }
1182         }
1183
1184         /**
1185          * @param $step
1186          * @param $status Status
1187          */
1188         public function endStage( $step, $status ) {
1189                 if ( $step == 'extension-tables' ) {
1190                         $this->endLiveBox();
1191                 }
1192                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1193                 $html = wfMessage( 'word-separator' )->escaped() . wfMessage( $msg )->escaped();
1194                 if ( !$status->isOk() ) {
1195                         $html = "<span class=\"error\">$html</span>";
1196                 }
1197                 $this->addHTML( $html . "</li>\n" );
1198                 if( !$status->isGood() ) {
1199                         $this->parent->showStatusBox( $status );
1200                 }
1201         }
1202
1203 }
1204
1205 class WebInstaller_Complete extends WebInstallerPage {
1206
1207         public function execute() {
1208                 // Pop up a dialog box, to make it difficult for the user to forget
1209                 // to download the file
1210                 $lsUrl = $this->getVar( 'wgServer' ) . $this->parent->getURL( array( 'localsettings' => 1 ) );
1211                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) &&
1212                          strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false ) {
1213                         // JS appears the only method that works consistently with IE7+
1214                         $this->addHtml( "\n<script type=\"" . $GLOBALS['wgJsMimeType'] .
1215                                 '">jQuery( document ).ready( function() { document.location=' .
1216                                 Xml::encodeJsVar( $lsUrl) . "; } );</script>\n" );
1217                 } else {
1218                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1219                 }
1220
1221                 $this->startForm();
1222                 $this->parent->disableLinkPopups();
1223                 $this->addHTML(
1224                         $this->parent->getInfoBox(
1225                                 wfMessage( 'config-install-done',
1226                                         $lsUrl,
1227                                         $this->getVar( 'wgServer' ) .
1228                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1229                                                 $this->getVar( 'wgScriptExtension' ),
1230                                         '<downloadlink/>'
1231                                 )->plain(), 'tick-32.png'
1232                         )
1233                 );
1234                 $this->parent->restoreLinkPopups();
1235                 $this->endForm( false, false );
1236         }
1237 }
1238
1239 class WebInstaller_Restart extends WebInstallerPage {
1240
1241         public function execute() {
1242                 $r = $this->parent->request;
1243                 if ( $r->wasPosted() ) {
1244                         $really = $r->getVal( 'submit-restart' );
1245                         if ( $really ) {
1246                                 $this->parent->reset();
1247                         }
1248                         return 'continue';
1249                 }
1250
1251                 $this->startForm();
1252                 $s = $this->parent->getWarningBox( wfMessage( 'config-help-restart' )->plain() );
1253                 $this->addHTML( $s );
1254                 $this->endForm( 'restart' );
1255         }
1256
1257 }
1258
1259 abstract class WebInstaller_Document extends WebInstallerPage {
1260
1261         protected abstract function getFileName();
1262
1263         public  function execute() {
1264                 $text = $this->getFileContents();
1265                 $text = InstallDocFormatter::format( $text );
1266                 $this->parent->output->addWikiText( $text );
1267                 $this->startForm();
1268                 $this->endForm( false );
1269         }
1270
1271         public function getFileContents() {
1272                 $file = __DIR__ . '/../../' . $this->getFileName();
1273                 if( ! file_exists( $file ) ) {
1274                         return wfMessage( 'config-nofile', $file )->plain();
1275                 }
1276                 return file_get_contents( $file );
1277         }
1278
1279 }
1280
1281 class WebInstaller_Readme extends WebInstaller_Document {
1282         protected function getFileName() { return 'README'; }
1283 }
1284
1285 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1286         protected function getFileName() {
1287                 global $wgVersion;
1288
1289                 if(! preg_match( '/^(\d+)\.(\d+).*/i', $wgVersion, $result ) ) {
1290                         throw new MWException('Variable $wgVersion has an invalid value.');
1291                 }
1292
1293                 return 'RELEASE-NOTES-' . $result[1] . '.' . $result[2];
1294         }
1295 }
1296
1297 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1298         protected function getFileName() { return 'UPGRADE'; }
1299 }
1300
1301 class WebInstaller_Copying extends WebInstaller_Document {
1302         protected function getFileName() { return 'COPYING'; }
1303 }
1304