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         abstract public 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                         // Give grep a chance to find the usages: config-continue
  88                         $s .= Xml::submitButton( wfMessage( "config-$continue" )->text(),
  89                                 array( 'name' => "enter-$continue", 'style' =>
  90                                         'visibility:hidden;overflow:hidden;width:1px;margin:0' ) ) . "\n";
  91                 }
  92
  93                 if ( $back ) {
  94                         // Give grep a chance to find the usages: config-back
  95                         $s .= Xml::submitButton( wfMessage( "config-$back" )->text(),
  96                                 array(
  97                                         'name' => "submit-$back",
  98                                         'tabindex' => $this->parent->nextTabIndex()
  99                                 ) ) . "\n";
 100                 }
 101
 102                 if ( $continue ) {
 103                         // Give grep a chance to find the usages: config-continue
 104                         $s .= Xml::submitButton( wfMessage( "config-$continue" )->text(),
 105                                 array(
 106                                         'name' => "submit-$continue",
 107                                         'tabindex' => $this->parent->nextTabIndex(),
 108                                 ) ) . "\n";
 109                 }
 110
 111                 $s .= "</div></form></div>\n";
 112                 $this->addHTML( $s );
 113         }
 114
 115         public function getName() {
 116                 return str_replace( 'WebInstaller_', '', get_class( $this ) );
 117         }
 118
 119         protected function getId() {
 120                 return array_search( $this->getName(), $this->parent->pageSequence );
 121         }
 122
 123         public function getVar( $var ) {
 124                 return $this->parent->getVar( $var );
 125         }
 126
 127         public function setVar( $name, $value ) {
 128                 $this->parent->setVar( $name, $value );
 129         }
 130
 131         /**
 132          * Get the starting tags of a fieldset.
 133          *
 134          * @param string $legend message name
 135          *
 136          * @return string
 137          */
 138         protected function getFieldsetStart( $legend ) {
 139                 return "\n<fieldset><legend>" . wfMessage( $legend )->escaped() . "</legend>\n";
 140         }
 141
 142         /**
 143          * Get the end tag of a fieldset.
 144          *
 145          * @return string
 146          */
 147         protected function getFieldsetEnd() {
 148                 return "</fieldset>\n";
 149         }
 150
 151         /**
 152          * Opens a textarea used to display the progress of a long operation
 153          */
 154         protected function startLiveBox() {
 155                 $this->addHTML(
 156                         '<div id="config-spinner" style="display:none;">' .
 157                         '<img src="../skins/common/images/ajax-loader.gif" /></div>' .
 158                         '<script>jQuery( "#config-spinner" ).show();</script>' .
 159                         '<div id="config-live-log">' .
 160                         '<textarea name="LiveLog" rows="10" cols="30" readonly="readonly">'
 161                 );
 162                 $this->parent->output->flush();
 163         }
 164
 165         /**
 166          * Opposite to startLiveBox()
 167          */
 168         protected function endLiveBox() {
 169                 $this->addHTML( '</textarea></div>
 170 <script>jQuery( "#config-spinner" ).hide()</script>' );
 171                 $this->parent->output->flush();
 172         }
 173 }
 174
 175 class WebInstaller_Language extends WebInstallerPage {
 176
 177         public function execute() {
 178                 global $wgLang;
 179                 $r = $this->parent->request;
 180                 $userLang = $r->getVal( 'uselang' );
 181                 $contLang = $r->getVal( 'ContLang' );
 182
 183                 $languages = Language::fetchLanguageNames();
 184                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
 185                 if ( !$lifetime ) {
 186                         $lifetime = 1440; // PHP default
 187                 }
 188
 189                 if ( $r->wasPosted() ) {
 190                         # Do session test
 191                         if ( $this->parent->getSession( 'test' ) === null ) {
 192                                 $requestTime = $r->getVal( 'LanguageRequestTime' );
 193                                 if ( !$requestTime ) {
 194                                         // The most likely explanation is that the user was knocked back
 195                                         // from another page on POST due to session expiry
 196                                         $msg = 'config-session-expired';
 197                                 } elseif ( time() - $requestTime > $lifetime ) {
 198                                         $msg = 'config-session-expired';
 199                                 } else {
 200                                         $msg = 'config-no-session';
 201                                 }
 202                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
 203                         } else {
 204                                 if ( isset( $languages[$userLang] ) ) {
 205                                         $this->setVar( '_UserLang', $userLang );
 206                                 }
 207                                 if ( isset( $languages[$contLang] ) ) {
 208                                         $this->setVar( 'wgLanguageCode', $contLang );
 209                                 }
 210                                 return 'continue';
 211                         }
 212                 } elseif ( $this->parent->showSessionWarning ) {
 213                         # The user was knocked back from another page to the start
 214                         # This probably indicates a session expiry
 215                         $this->parent->showError( 'config-session-expired',
 216                                 $wgLang->formatTimePeriod( $lifetime ) );
 217                 }
 218
 219                 $this->parent->setSession( 'test', true );
 220
 221                 if ( !isset( $languages[$userLang] ) ) {
 222                         $userLang = $this->getVar( '_UserLang', 'en' );
 223                 }
 224                 if ( !isset( $languages[$contLang] ) ) {
 225                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
 226                 }
 227                 $this->startForm();
 228                 $s = Html::hidden( 'LanguageRequestTime', time() ) .
 229                         $this->getLanguageSelector( 'uselang', 'config-your-language', $userLang,
 230                                 $this->parent->getHelpBox( 'config-your-language-help' ) ) .
 231                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang,
 232                                 $this->parent->getHelpBox( 'config-wiki-language-help' ) );
 233                 $this->addHTML( $s );
 234                 $this->endForm( 'continue', false );
 235         }
 236
 237         /**
 238          * Get a "<select>" for selecting languages.
 239          *
 240          * @param $name
 241          * @param $label
 242          * @param $selectedCode
 243          * @param $helpHtml string
 244          * @return string
 245          */
 246         public function getLanguageSelector( $name, $label, $selectedCode, $helpHtml = '' ) {
 247                 global $wgDummyLanguageCodes;
 248
 249                 $s = $helpHtml;
 250
 251                 $s .= Html::openElement( 'select', array( 'id' => $name, 'name' => $name,
 252                                 'tabindex' => $this->parent->nextTabIndex() ) ) . "\n";
 253
 254                 $languages = Language::fetchLanguageNames();
 255                 ksort( $languages );
 256                 foreach ( $languages as $code => $lang ) {
 257                         if ( isset( $wgDummyLanguageCodes[$code] ) ) {
 258                                 continue;
 259                         }
 260                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 261                 }
 262                 $s .= "\n</select>\n";
 263                 return $this->parent->label( $label, $name, $s );
 264         }
 265
 266 }
 267
 268 class WebInstaller_ExistingWiki extends WebInstallerPage {
 269         public function execute() {
 270                 // If there is no LocalSettings.php, continue to the installer welcome page
 271                 $vars = Installer::getExistingLocalSettings();
 272                 if ( !$vars ) {
 273                         return 'skip';
 274                 }
 275
 276                 // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 277                 if ( $vars['wgUpgradeKey'] !== false
 278                         && $this->getVar( '_UpgradeKeySupplied' )
 279                         && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey'] )
 280                 {
 281                         // It's there, so the user is authorized
 282                         $status = $this->handleExistingUpgrade( $vars );
 283                         if ( $status->isOK() ) {
 284                                 return 'skip';
 285                         } else {
 286                                 $this->startForm();
 287                                 $this->parent->showStatusBox( $status );
 288                                 $this->endForm( 'continue' );
 289                                 return 'output';
 290                         }
 291                 }
 292
 293                 // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
 294                 if ( $vars['wgUpgradeKey'] === false ) {
 295                         if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
 296                                 $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
 297                                 $this->parent->generateKeys();
 298                                 $this->setVar( 'wgSecretKey', $secretKey );
 299                                 $this->setVar( '_UpgradeKeySupplied', true );
 300                         }
 301                         $this->startForm();
 302                         $this->addHTML( $this->parent->getInfoBox(
 303                                 wfMessage( 'config-upgrade-key-missing', "<pre dir=\"ltr\">\$wgUpgradeKey = '" .
 304                                         $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )->plain()
 305                         ) );
 306                         $this->endForm( 'continue' );
 307                         return 'output';
 308                 }
 309
 310                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 311
 312                 $r = $this->parent->request;
 313                 if ( $r->wasPosted() ) {
 314                         $key = $r->getText( 'config_wgUpgradeKey' );
 315                         if ( !$key || $key !== $vars['wgUpgradeKey'] ) {
 316                                 $this->parent->showError( 'config-localsettings-badkey' );
 317                                 $this->showKeyForm();
 318                                 return 'output';
 319                         }
 320                         // Key was OK
 321                         $status = $this->handleExistingUpgrade( $vars );
 322                         if ( $status->isOK() ) {
 323                                 return 'continue';
 324                         } else {
 325                                 $this->parent->showStatusBox( $status );
 326                                 $this->showKeyForm();
 327                                 return 'output';
 328                         }
 329                 } else {
 330                         $this->showKeyForm();
 331                         return 'output';
 332                 }
 333         }
 334
 335         /**
 336          * Show the "enter key" form
 337          */
 338         protected function showKeyForm() {
 339                 $this->startForm();
 340                 $this->addHTML(
 341                         $this->parent->getInfoBox( wfMessage( 'config-localsettings-upgrade' )->plain() ) .
 342                         '<br />' .
 343                         $this->parent->getTextBox( array(
 344                                 'var' => 'wgUpgradeKey',
 345                                 'label' => 'config-localsettings-key',
 346                                 'attribs' => array( 'autocomplete' => 'off' ),
 347                         ) )
 348                 );
 349                 $this->endForm( 'continue' );
 350         }
 351
 352         protected function importVariables( $names, $vars ) {
 353                 $status = Status::newGood();
 354                 foreach ( $names as $name ) {
 355                         if ( !isset( $vars[$name] ) ) {
 356                                 $status->fatal( 'config-localsettings-incomplete', $name );
 357                         }
 358                         $this->setVar( $name, $vars[$name] );
 359                 }
 360                 return $status;
 361         }
 362
 363         /**
 364          * Initiate an upgrade of the existing database
 365          * @param array $vars Variables from LocalSettings.php and AdminSettings.php
 366          * @return Status
 367          */
 368         protected function handleExistingUpgrade( $vars ) {
 369                 // Check $wgDBtype
 370                 if ( !isset( $vars['wgDBtype'] ) ||
 371                          !in_array( $vars['wgDBtype'], Installer::getDBTypes() ) ) {
 372                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 373                 }
 374
 375                 // Set the relevant variables from LocalSettings.php
 376                 $requiredVars = array( 'wgDBtype' );
 377                 $status = $this->importVariables( $requiredVars, $vars );
 378                 $installer = $this->parent->getDBInstaller();
 379                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 380                 if ( !$status->isOK() ) {
 381                         return $status;
 382                 }
 383
 384                 if ( isset( $vars['wgDBadminuser'] ) ) {
 385                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 386                 } else {
 387                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 388                 }
 389                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 390                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 391                 } else {
 392                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 393                 }
 394
 395                 // Test the database connection
 396                 $status = $installer->getConnection();
 397                 if ( !$status->isOK() ) {
 398                         // Adjust the error message to explain things correctly
 399                         $status->replaceMessage( 'config-connection-error',
 400                                 'config-localsettings-connection-error' );
 401                         return $status;
 402                 }
 403
 404                 // All good
 405                 $this->setVar( '_ExistingDBSettings', true );
 406                 return $status;
 407         }
 408 }
 409
 410 class WebInstaller_Welcome extends WebInstallerPage {
 411
 412         public function execute() {
 413                 if ( $this->parent->request->wasPosted() ) {
 414                         if ( $this->getVar( '_Environment' ) ) {
 415                                 return 'continue';
 416                         }
 417                 }
 418                 $this->parent->output->addWikiText( wfMessage( 'config-welcome' )->plain() );
 419                 $status = $this->parent->doEnvironmentChecks();
 420                 if ( $status->isGood() ) {
 421                         $this->parent->output->addHTML( '<span class="success-message">' .
 422                                 wfMessage( 'config-env-good' )->escaped() . '</span>' );
 423                         $this->parent->output->addWikiText( wfMessage( 'config-copyright',
 424                                 SpecialVersion::getCopyrightAndAuthorList() )->plain() );
 425                         $this->startForm();
 426                         $this->endForm();
 427                 } else {
 428                         $this->parent->showStatusMessage( $status );
 429                 }
 430                 return '';
 431         }
 432
 433 }
 434
 435 class WebInstaller_DBConnect extends WebInstallerPage {
 436
 437         public function execute() {
 438                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 439                         return 'skip';
 440                 }
 441
 442                 $r = $this->parent->request;
 443                 if ( $r->wasPosted() ) {
 444                         $status = $this->submit();
 445
 446                         if ( $status->isGood() ) {
 447                                 $this->setVar( '_UpgradeDone', false );
 448                                 return 'continue';
 449                         } else {
 450                                 $this->parent->showStatusBox( $status );
 451                         }
 452                 }
 453
 454                 $this->startForm();
 455
 456                 $types = "<ul class=\"config-settings-block\">\n";
 457                 $settings = '';
 458                 $defaultType = $this->getVar( 'wgDBtype' );
 459
 460                 // Give grep a chance to find the usages:
 461                 // config-support-mysql, config-support-postgres, config-support-oracle, config-support-sqlite
 462                 $dbSupport = '';
 463                 foreach ( $this->parent->getDBTypes() as $type ) {
 464                         $link = DatabaseBase::factory( $type )->getSoftwareLink();
 465                         $dbSupport .= wfMessage( "config-support-$type", $link )->plain() . "\n";
 466                 }
 467                 $this->addHTML( $this->parent->getInfoBox(
 468                         wfMessage( 'config-support-info', trim( $dbSupport ) )->text() ) );
 469
 470                 foreach ( $this->parent->getVar( '_CompiledDBs' ) as $type ) {
 471                         $installer = $this->parent->getDBInstaller( $type );
 472                         $types .=
 473                                 '<li>' .
 474                                 Xml::radioLabel(
 475                                         $installer->getReadableName(),
 476                                         'DBType',
 477                                         $type,
 478                                         "DBType_$type",
 479                                         $type == $defaultType,
 480                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 481                                 ) .
 482                                 "</li>\n";
 483
 484                         // Give grep a chance to find the usages:
 485                         // config-header-mysql, config-header-postgres, config-header-oracle, config-header-sqlite
 486                         $settings .=
 487                                 Html::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type,
 488                                                 'class' => 'dbWrapper' ) ) .
 489                                 Html::element( 'h3', array(), wfMessage( 'config-header-' . $type )->text() ) .
 490                                 $installer->getConnectForm() .
 491                                 "</div>\n";
 492                 }
 493                 $types .= "</ul><br style=\"clear: left\"/>\n";
 494
 495                 $this->addHTML(
 496                         $this->parent->label( 'config-db-type', false, $types ) .
 497                         $settings
 498                 );
 499
 500                 $this->endForm();
 501         }
 502
 503         public function submit() {
 504                 $r = $this->parent->request;
 505                 $type = $r->getVal( 'DBType' );
 506                 $this->setVar( 'wgDBtype', $type );
 507                 $installer = $this->parent->getDBInstaller( $type );
 508                 if ( !$installer ) {
 509                         return Status::newFatal( 'config-invalid-db-type' );
 510                 }
 511                 return $installer->submitConnectForm();
 512         }
 513
 514 }
 515
 516 class WebInstaller_Upgrade extends WebInstallerPage {
 517         public function isSlow() {
 518                 return true;
 519         }
 520
 521         public function execute() {
 522                 if ( $this->getVar( '_UpgradeDone' ) ) {
 523                         // Allow regeneration of LocalSettings.php, unless we are working
 524                         // from a pre-existing LocalSettings.php file and we want to avoid
 525                         // leaking its contents
 526                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 527                                 // Done message acknowledged
 528                                 return 'continue';
 529                         } else {
 530                                 // Back button click
 531                                 // Show the done message again
 532                                 // Make them click back again if they want to do the upgrade again
 533                                 $this->showDoneMessage();
 534                                 return 'output';
 535                         }
 536                 }
 537
 538                 // wgDBtype is generally valid here because otherwise the previous page
 539                 // (connect) wouldn't have declared its happiness
 540                 $type = $this->getVar( 'wgDBtype' );
 541                 $installer = $this->parent->getDBInstaller( $type );
 542
 543                 if ( !$installer->needsUpgrade() ) {
 544                         return 'skip';
 545                 }
 546
 547                 if ( $this->parent->request->wasPosted() ) {
 548                         $installer->preUpgrade();
 549
 550                         $this->startLiveBox();
 551                         $result = $installer->doUpgrade();
 552                         $this->endLiveBox();
 553
 554                         if ( $result ) {
 555                                 // If they're going to possibly regenerate LocalSettings, we
 556                                 // need to create the upgrade/secret keys. Bug 26481
 557                                 if ( !$this->getVar( '_ExistingDBSettings' ) ) {
 558                                         $this->parent->generateKeys();
 559                                 }
 560                                 $this->setVar( '_UpgradeDone', true );
 561                                 $this->showDoneMessage();
 562                                 return 'output';
 563                         }
 564                 }
 565
 566                 $this->startForm();
 567                 $this->addHTML( $this->parent->getInfoBox(
 568                         wfMessage( 'config-can-upgrade', $GLOBALS['wgVersion'] )->plain() ) );
 569                 $this->endForm();
 570         }
 571
 572         public function showDoneMessage() {
 573                 $this->startForm();
 574                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 575                 if ( $regenerate ) {
 576                         $msg = 'config-upgrade-done';
 577                 } else {
 578                         $msg = 'config-upgrade-done-no-regenerate';
 579                 }
 580                 $this->parent->disableLinkPopups();
 581                 $this->addHTML(
 582                         $this->parent->getInfoBox(
 583                                 wfMessage( $msg,
 584                                         $this->getVar( 'wgServer' ) .
 585                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
 586                                                 $this->getVar( 'wgScriptExtension' )
 587                                 )->plain(), 'tick-32.png'
 588                         )
 589                 );
 590                 $this->parent->restoreLinkPopups();
 591                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 592         }
 593
 594 }
 595
 596 class WebInstaller_DBSettings extends WebInstallerPage {
 597
 598         public function execute() {
 599                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 600
 601                 $r = $this->parent->request;
 602                 if ( $r->wasPosted() ) {
 603                         $status = $installer->submitSettingsForm();
 604                         if ( $status === false ) {
 605                                 return 'skip';
 606                         } elseif ( $status->isGood() ) {
 607                                 return 'continue';
 608                         } else {
 609                                 $this->parent->showStatusBox( $status );
 610                         }
 611                 }
 612
 613                 $form = $installer->getSettingsForm();
 614                 if ( $form === false ) {
 615                         return 'skip';
 616                 }
 617
 618                 $this->startForm();
 619                 $this->addHTML( $form );
 620                 $this->endForm();
 621         }
 622
 623 }
 624
 625 class WebInstaller_Name extends WebInstallerPage {
 626
 627         public function execute() {
 628                 $r = $this->parent->request;
 629                 if ( $r->wasPosted() ) {
 630                         if ( $this->submit() ) {
 631                                 return 'continue';
 632                         }
 633                 }
 634
 635                 $this->startForm();
 636
 637                 // Encourage people to not name their site 'MediaWiki' by blanking the
 638                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 639                 // but these two always were the same so had the effect of making the
 640                 // installer forget $wgSitename when navigating back to this page.
 641                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 642                         $this->setVar( 'wgSitename', '' );
 643                 }
 644
 645                 // Set wgMetaNamespace to something valid before we show the form.
 646                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 647                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 648                 $this->setVar(
 649                         'wgMetaNamespace',
 650                         wfMessage( 'config-ns-other-default' )->inContentLanguage()->text()
 651                 );
 652
 653                 $this->addHTML(
 654                         $this->parent->getTextBox( array(
 655                                 'var' => 'wgSitename',
 656                                 'label' => 'config-site-name',
 657                                 'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 658                         ) ) .
 659                         // getRadioSet() builds a set of labeled radio buttons.
 660                         // For grep: The following messages are used as the item labels:
 661                         // config-ns-site-name, config-ns-generic, config-ns-other
 662                         $this->parent->getRadioSet( array(
 663                                 'var' => '_NamespaceType',
 664                                 'label' => 'config-project-namespace',
 665                                 'itemLabelPrefix' => 'config-ns-',
 666                                 'values' => array( 'site-name', 'generic', 'other' ),
 667                                 'commonAttribs' => array( 'class' => 'enableForOther',
 668                                         'rel' => 'config_wgMetaNamespace' ),
 669                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 670                         ) ) .
 671                         $this->parent->getTextBox( array(
 672                                 'var' => 'wgMetaNamespace',
 673                                 'label' => '', //TODO: Needs a label?
 674                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' ),
 675
 676                         ) ) .
 677                         $this->getFieldSetStart( 'config-admin-box' ) .
 678                         $this->parent->getTextBox( array(
 679                                 'var' => '_AdminName',
 680                                 'label' => 'config-admin-name',
 681                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 682                         ) ) .
 683                         $this->parent->getPasswordBox( array(
 684                                 'var' => '_AdminPassword',
 685                                 'label' => 'config-admin-password',
 686                         ) ) .
 687                         $this->parent->getPasswordBox( array(
 688                                 'var' => '_AdminPassword2',
 689                                 'label' => 'config-admin-password-confirm'
 690                         ) ) .
 691                         $this->parent->getTextBox( array(
 692                                 'var' => '_AdminEmail',
 693                                 'label' => 'config-admin-email',
 694                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 695                         ) ) .
 696                         $this->parent->getCheckBox( array(
 697                                 'var' => '_Subscribe',
 698                                 'label' => 'config-subscribe',
 699                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 700                         ) ) .
 701                         $this->getFieldSetEnd() .
 702                         $this->parent->getInfoBox( wfMessage( 'config-almost-done' )->text() ) .
 703                         // getRadioSet() builds a set of labeled radio buttons.
 704                         // For grep: The following messages are used as the item labels:
 705                         // config-optional-continue, config-optional-skip
 706                         $this->parent->getRadioSet( array(
 707                                 'var' => '_SkipOptional',
 708                                 'itemLabelPrefix' => 'config-optional-',
 709                                 'values' => array( 'continue', 'skip' )
 710                         ) )
 711                 );
 712
 713                 // Restore the default value
 714                 $this->setVar( 'wgMetaNamespace', $metaNS );
 715
 716                 $this->endForm();
 717                 return 'output';
 718         }
 719
 720         public function submit() {
 721                 $retVal = true;
 722                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 723                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
 724                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 725
 726                 // Validate site name
 727                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 728                         $this->parent->showError( 'config-site-name-blank' );
 729                         $retVal = false;
 730                 }
 731
 732                 // Fetch namespace
 733                 $nsType = $this->getVar( '_NamespaceType' );
 734                 if ( $nsType == 'site-name' ) {
 735                         $name = $this->getVar( 'wgSitename' );
 736                         // Sanitize for namespace
 737                         // This algorithm should match the JS one in WebInstallerOutput.php
 738                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 739                         $name = str_replace( '&', '&amp;', $name );
 740                         $name = preg_replace( '/__+/', '_', $name );
 741                         $name = ucfirst( trim( $name, '_' ) );
 742                 } elseif ( $nsType == 'generic' ) {
 743                         $name = wfMessage( 'config-ns-generic' )->text();
 744                 } else { // other
 745                         $name = $this->getVar( 'wgMetaNamespace' );
 746                 }
 747
 748                 // Validate namespace
 749                 if ( strpos( $name, ':' ) !== false ) {
 750                         $good = false;
 751                 } else {
 752                         // Title-style validation
 753                         $title = Title::newFromText( $name );
 754                         if ( !$title ) {
 755                                 $good = $nsType == 'site-name';
 756                         } else {
 757                                 $name = $title->getDBkey();
 758                                 $good = true;
 759                         }
 760                 }
 761                 if ( !$good ) {
 762                         $this->parent->showError( 'config-ns-invalid', $name );
 763                         $retVal = false;
 764                 }
 765
 766                 // Make sure it won't conflict with any existing namespaces
 767                 global $wgContLang;
 768                 $nsIndex = $wgContLang->getNsIndex( $name );
 769                 if ( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 770                         $this->parent->showError( 'config-ns-conflict', $name );
 771                         $retVal = false;
 772                 }
 773
 774                 $this->setVar( 'wgMetaNamespace', $name );
 775
 776                 // Validate username for creation
 777                 $name = $this->getVar( '_AdminName' );
 778                 if ( strval( $name ) === '' ) {
 779                         $this->parent->showError( 'config-admin-name-blank' );
 780                         $cname = $name;
 781                         $retVal = false;
 782                 } else {
 783                         $cname = User::getCanonicalName( $name, 'creatable' );
 784                         if ( $cname === false ) {
 785                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 786                                 $retVal = false;
 787                         } else {
 788                                 $this->setVar( '_AdminName', $cname );
 789                         }
 790                 }
 791
 792                 // Validate password
 793                 $msg = false;
 794                 $pwd = $this->getVar( '_AdminPassword' );
 795                 $user = User::newFromName( $cname );
 796                 $valid = $user && $user->getPasswordValidity( $pwd );
 797                 if ( strval( $pwd ) === '' ) {
 798                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 799                         # This message is more specific and helpful.
 800                         $msg = 'config-admin-password-blank';
 801                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
 802                         $msg = 'config-admin-password-mismatch';
 803                 } elseif ( $valid !== true ) {
 804                         # As of writing this will only catch the username being e.g. 'FOO' and
 805                         # the password 'foo'
 806                         $msg = $valid;
 807                 }
 808                 if ( $msg !== false ) {
 809                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 810                         $this->setVar( '_AdminPassword', '' );
 811                         $this->setVar( '_AdminPassword2', '' );
 812                         $retVal = false;
 813                 }
 814
 815                 // Validate e-mail if provided
 816                 $email = $this->getVar( '_AdminEmail' );
 817                 if ( $email && !Sanitizer::validateEmail( $email ) ) {
 818                         $this->parent->showError( 'config-admin-error-bademail' );
 819                         $retVal = false;
 820                 }
 821                 // If they asked to subscribe to mediawiki-announce but didn't give
 822                 // an e-mail, show an error. Bug 29332
 823                 if ( !$email && $this->getVar( '_Subscribe' ) ) {
 824                         $this->parent->showError( 'config-subscribe-noemail' );
 825                         $retVal = false;
 826                 }
 827
 828                 return $retVal;
 829         }
 830
 831 }
 832
 833 class WebInstaller_Options extends WebInstallerPage {
 834
 835         public function execute() {
 836                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 837                         return 'skip';
 838                 }
 839                 if ( $this->parent->request->wasPosted() ) {
 840                         if ( $this->submit() ) {
 841                                 return 'continue';
 842                         }
 843                 }
 844
 845                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 846                 $this->startForm();
 847                 $this->addHTML(
 848                         # User Rights
 849                         // getRadioSet() builds a set of labeled radio buttons.
 850                         // For grep: The following messages are used as the item labels:
 851                         // config-profile-wiki, config-profile-no-anon, config-profile-fishbowl, config-profile-private
 852                         $this->parent->getRadioSet( array(
 853                                 'var' => '_RightsProfile',
 854                                 'label' => 'config-profile',
 855                                 'itemLabelPrefix' => 'config-profile-',
 856                                 'values' => array_keys( $this->parent->rightsProfiles ),
 857                         ) ) .
 858                         $this->parent->getInfoBox( wfMessage( 'config-profile-help' )->plain() ) .
 859
 860                         # Licensing
 861                         // getRadioSet() builds a set of labeled radio buttons.
 862                         // For grep: The following messages are used as the item labels:
 863                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
 864                         // config-license-cc-0, config-license-pd, config-license-gfdl,
 865                         // config-license-none, config-license-cc-choose
 866                         $this->parent->getRadioSet( array(
 867                                 'var' => '_LicenseCode',
 868                                 'label' => 'config-license',
 869                                 'itemLabelPrefix' => 'config-license-',
 870                                 'values' => array_keys( $this->parent->licenses ),
 871                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 872                         ) ) .
 873                         $this->getCCChooser() .
 874                         $this->parent->getHelpBox( 'config-license-help' ) .
 875
 876                         # E-mail
 877                         $this->getFieldSetStart( 'config-email-settings' ) .
 878                         $this->parent->getCheckBox( array(
 879                                 'var' => 'wgEnableEmail',
 880                                 'label' => 'config-enable-email',
 881                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 882                         ) ) .
 883                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
 884                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
 885                         $this->parent->getTextBox( array(
 886                                 'var' => 'wgPasswordSender',
 887                                 'label' => 'config-email-sender'
 888                         ) ) .
 889                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
 890                         $this->parent->getCheckBox( array(
 891                                 'var' => 'wgEnableUserEmail',
 892                                 'label' => 'config-email-user',
 893                         ) ) .
 894                         $this->parent->getHelpBox( 'config-email-user-help' ) .
 895                         $this->parent->getCheckBox( array(
 896                                 'var' => 'wgEnotifUserTalk',
 897                                 'label' => 'config-email-usertalk',
 898                         ) ) .
 899                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
 900                         $this->parent->getCheckBox( array(
 901                                 'var' => 'wgEnotifWatchlist',
 902                                 'label' => 'config-email-watchlist',
 903                         ) ) .
 904                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 905                         $this->parent->getCheckBox( array(
 906                                 'var' => 'wgEmailAuthentication',
 907                                 'label' => 'config-email-auth',
 908                         ) ) .
 909                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 910                         "</div>" .
 911                         $this->getFieldSetEnd()
 912                 );
 913
 914                 $extensions = $this->parent->findExtensions();
 915
 916                 if ( $extensions ) {
 917                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
 918
 919                         foreach ( $extensions as $ext ) {
 920                                 $extHtml .= $this->parent->getCheckBox( array(
 921                                         'var' => "ext-$ext",
 922                                         'rawtext' => $ext,
 923                                 ) );
 924                         }
 925
 926                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 927                         $this->getFieldSetEnd();
 928                         $this->addHTML( $extHtml );
 929                 }
 930
 931                 // Having / in paths in Windows looks funny :)
 932                 $this->setVar( 'wgDeletedDirectory',
 933                         str_replace(
 934                                 '/', DIRECTORY_SEPARATOR,
 935                                 $this->getVar( 'wgDeletedDirectory' )
 936                         )
 937                 );
 938                 // If we're using the default, let the user set it relative to $wgScriptPath
 939                 $curLogo = $this->getVar( 'wgLogo' );
 940                 $logoString = ( $curLogo == "/wiki/skins/common/images/wiki.png" ) ?
 941                         '$wgStylePath/common/images/wiki.png' : $curLogo;
 942
 943                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 944                 $this->addHTML(
 945                         # Uploading
 946                         $this->getFieldSetStart( 'config-upload-settings' ) .
 947                         $this->parent->getCheckBox( array(
 948                                 'var' => 'wgEnableUploads',
 949                                 'label' => 'config-upload-enable',
 950                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
 951                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 952                         ) ) .
 953                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
 954                         $this->parent->getTextBox( array(
 955                                 'var' => 'wgDeletedDirectory',
 956                                 'label' => 'config-upload-deleted',
 957                                 'attribs' => array( 'dir' => 'ltr' ),
 958                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
 959                         ) ) .
 960                         '</div>' .
 961                         $this->parent->getTextBox( array(
 962                                 'var' => 'wgLogo',
 963                                 'value' => $logoString,
 964                                 'label' => 'config-logo',
 965                                 'attribs' => array( 'dir' => 'ltr' ),
 966                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
 967                         ) )
 968                 );
 969                 $this->addHTML(
 970                         $this->parent->getCheckBox( array(
 971                                 'var' => 'wgUseInstantCommons',
 972                                 'label' => 'config-instantcommons',
 973                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
 974                         ) ) .
 975                         $this->getFieldSetEnd()
 976                 );
 977
 978                 $caches = array( 'none' );
 979                 if ( count( $this->getVar( '_Caches' ) ) ) {
 980                         $caches[] = 'accel';
 981                 }
 982                 $caches[] = 'memcached';
 983
 984                 // We'll hide/show this on demand when the value changes, see config.js.
 985                 $cacheval = $this->getVar( 'wgMainCacheType' );
 986                 if ( !$cacheval ) {
 987                         // We need to set a default here; but don't hardcode it
 988                         // or we lose it every time we reload the page for validation
 989                         // or going back!
 990                         $cacheval = 'none';
 991                 }
 992                 $hidden = ( $cacheval == 'memcached' ) ? '' : 'display: none';
 993                 $this->addHTML(
 994                         # Advanced settings
 995                         $this->getFieldSetStart( 'config-advanced-settings' ) .
 996                         # Object cache settings
 997                         // getRadioSet() builds a set of labeled radio buttons.
 998                         // For grep: The following messages are used as the item labels:
 999                         // config-cache-none, config-cache-accel, config-cache-memcached
1000                         $this->parent->getRadioSet( array(
1001                                 'var' => 'wgMainCacheType',
1002                                 'label' => 'config-cache-options',
1003                                 'itemLabelPrefix' => 'config-cache-',
1004                                 'values' => $caches,
1005                                 'value' => $cacheval,
1006                         ) ) .
1007                         $this->parent->getHelpBox( 'config-cache-help' ) .
1008                         "<div id=\"config-memcachewrapper\" style=\"$hidden\">" .
1009                         $this->parent->getTextArea( array(
1010                                 'var' => '_MemCachedServers',
1011                                 'label' => 'config-memcached-servers',
1012                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
1013                         ) ) .
1014                         '</div>' .
1015                         $this->getFieldSetEnd()
1016                 );
1017                 $this->endForm();
1018         }
1019
1020         /**
1021          * @return string
1022          */
1023         public function getCCPartnerUrl() {
1024                 $server = $this->getVar( 'wgServer' );
1025                 $exitUrl = $server . $this->parent->getUrl( array(
1026                         'page' => 'Options',
1027                         'SubmitCC' => 'indeed',
1028                         'config__LicenseCode' => 'cc',
1029                         'config_wgRightsUrl' => '[license_url]',
1030                         'config_wgRightsText' => '[license_name]',
1031                         'config_wgRightsIcon' => '[license_button]',
1032                 ) );
1033                 $styleUrl = $server . dirname( dirname( $this->parent->getUrl() ) ) .
1034                         '/skins/common/config-cc.css';
1035                 $iframeUrl = 'http://creativecommons.org/license/?' .
1036                         wfArrayToCgi( array(
1037                                 'partner' => 'MediaWiki',
1038                                 'exit_url' => $exitUrl,
1039                                 'lang' => $this->getVar( '_UserLang' ),
1040                                 'stylesheet' => $styleUrl,
1041                         ) );
1042                 return $iframeUrl;
1043         }
1044
1045         public function getCCChooser() {
1046                 $iframeAttribs = array(
1047                         'class' => 'config-cc-iframe',
1048                         'name' => 'config-cc-iframe',
1049                         'id' => 'config-cc-iframe',
1050                         'frameborder' => 0,
1051                         'width' => '100%',
1052                         'height' => '100%',
1053                 );
1054                 if ( $this->getVar( '_CCDone' ) ) {
1055                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
1056                 } else {
1057                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
1058                 }
1059                 $wrapperStyle = ( $this->getVar( '_LicenseCode' ) == 'cc-choose' ) ? '' : 'display: none';
1060
1061                 return "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
1062                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
1063                         "</div>\n";
1064         }
1065
1066         public function getCCDoneBox() {
1067                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
1068                 // If you change this height, also change it in config.css
1069                 $expandJs = str_replace( '$1', '54em', $js );
1070                 $reduceJs = str_replace( '$1', '70px', $js );
1071                 return '<p>' .
1072                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
1073                         '&#160;&#160;' .
1074                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
1075                         "</p>\n" .
1076                         "<p style=\"text-align: center\">" .
1077                         Html::element( 'a',
1078                                 array(
1079                                         'href' => $this->getCCPartnerUrl(),
1080                                         'onclick' => $expandJs,
1081                                 ),
1082                                 wfMessage( 'config-cc-again' )->text()
1083                         ) .
1084                         "</p>\n" .
1085                         "<script type=\"text/javascript\">\n" .
1086                         # Reduce the wrapper div height
1087                         htmlspecialchars( $reduceJs ) .
1088                         "\n" .
1089                         "</script>\n";
1090         }
1091
1092         public function submitCC() {
1093                 $newValues = $this->parent->setVarsFromRequest(
1094                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
1095                 if ( count( $newValues ) != 3 ) {
1096                         $this->parent->showError( 'config-cc-error' );
1097                         return;
1098                 }
1099                 $this->setVar( '_CCDone', true );
1100                 $this->addHTML( $this->getCCDoneBox() );
1101         }
1102
1103         public function submit() {
1104                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1105                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1106                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1107                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1108                         'wgUseInstantCommons' ) );
1109
1110                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1111                         array_keys( $this->parent->rightsProfiles ) ) )
1112                 {
1113                         reset( $this->parent->rightsProfiles );
1114                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1115                 }
1116
1117                 $code = $this->getVar( '_LicenseCode' );
1118                 if ( $code == 'cc-choose' ) {
1119                         if ( !$this->getVar( '_CCDone' ) ) {
1120                                 $this->parent->showError( 'config-cc-not-chosen' );
1121                                 return false;
1122                         }
1123                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1124                         // Give grep a chance to find the usages:
1125                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
1126                         // config-license-cc-0, config-license-pd, config-license-gfdl,
1127                         // config-license-none, config-license-cc-choose
1128                         $entry = $this->parent->licenses[$code];
1129                         if ( isset( $entry['text'] ) ) {
1130                                 $this->setVar( 'wgRightsText', $entry['text'] );
1131                         } else {
1132                                 $this->setVar( 'wgRightsText', wfMessage( 'config-license-' . $code )->text() );
1133                         }
1134                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1135                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1136                 } else {
1137                         $this->setVar( 'wgRightsText', '' );
1138                         $this->setVar( 'wgRightsUrl', '' );
1139                         $this->setVar( 'wgRightsIcon', '' );
1140                 }
1141
1142                 $extsAvailable = $this->parent->findExtensions();
1143                 $extsToInstall = array();
1144                 foreach ( $extsAvailable as $ext ) {
1145                         if ( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1146                                 $extsToInstall[] = $ext;
1147                         }
1148                 }
1149                 $this->parent->setVar( '_Extensions', $extsToInstall );
1150
1151                 if ( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
1152                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1153                         if ( !$memcServers ) {
1154                                 $this->parent->showError( 'config-memcache-needservers' );
1155                                 return false;
1156                         }
1157
1158                         foreach ( $memcServers as $server ) {
1159                                 $memcParts = explode( ":", $server, 2 );
1160                                 if ( !isset( $memcParts[0] )
1161                                                 || ( !IP::isValid( $memcParts[0] )
1162                                                         && ( gethostbyname( $memcParts[0] ) == $memcParts[0] ) ) ) {
1163                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1164                                         return false;
1165                                 } elseif ( !isset( $memcParts[1] ) ) {
1166                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1167                                         return false;
1168                                 } elseif ( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1169                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1170                                         return false;
1171                                 }
1172                         }
1173                 }
1174                 return true;
1175         }
1176
1177 }
1178
1179 class WebInstaller_Install extends WebInstallerPage {
1180         public function isSlow() {
1181                 return true;
1182         }
1183
1184         public function execute() {
1185                 if ( $this->getVar( '_UpgradeDone' ) ) {
1186                         return 'skip';
1187                 } elseif ( $this->getVar( '_InstallDone' ) ) {
1188                         return 'continue';
1189                 } elseif ( $this->parent->request->wasPosted() ) {
1190                         $this->startForm();
1191                         $this->addHTML( "<ul>" );
1192                         $results = $this->parent->performInstallation(
1193                                 array( $this, 'startStage' ),
1194                                 array( $this, 'endStage' )
1195                         );
1196                         $this->addHTML( "</ul>" );
1197                         // PerformInstallation bails on a fatal, so make sure the last item
1198                         // completed before giving 'next.' Likewise, only provide back on failure
1199                         $lastStep = end( $results );
1200                         $continue = $lastStep->isOK() ? 'continue' : false;
1201                         $back = $lastStep->isOK() ? false : 'back';
1202                         $this->endForm( $continue, $back );
1203                 } else {
1204                         $this->startForm();
1205                         $this->addHTML( $this->parent->getInfoBox( wfMessage( 'config-install-begin' )->plain() ) );
1206                         $this->endForm();
1207                 }
1208                 return true;
1209         }
1210
1211         public function startStage( $step ) {
1212                 $this->addHTML( "<li>" . wfMessage( "config-install-$step" )->escaped() . wfMessage( 'ellipsis' )->escaped() );
1213                 if ( $step == 'extension-tables' ) {
1214                         $this->startLiveBox();
1215                 }
1216         }
1217
1218         /**
1219          * @param $step
1220          * @param $status Status
1221          */
1222         public function endStage( $step, $status ) {
1223                 if ( $step == 'extension-tables' ) {
1224                         $this->endLiveBox();
1225                 }
1226                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1227                 $html = wfMessage( 'word-separator' )->escaped() . wfMessage( $msg )->escaped();
1228                 if ( !$status->isOk() ) {
1229                         $html = "<span class=\"error\">$html</span>";
1230                 }
1231                 $this->addHTML( $html . "</li>\n" );
1232                 if ( !$status->isGood() ) {
1233                         $this->parent->showStatusBox( $status );
1234                 }
1235         }
1236
1237 }
1238
1239 class WebInstaller_Complete extends WebInstallerPage {
1240
1241         public function execute() {
1242                 // Pop up a dialog box, to make it difficult for the user to forget
1243                 // to download the file
1244                 $lsUrl = $this->getVar( 'wgServer' ) . $this->parent->getURL( array( 'localsettings' => 1 ) );
1245                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) &&
1246                          strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false ) {
1247                         // JS appears the only method that works consistently with IE7+
1248                         $this->addHtml( "\n<script type=\"" . $GLOBALS['wgJsMimeType'] .
1249                                 '">jQuery( document ).ready( function() { document.location=' .
1250                                 Xml::encodeJsVar( $lsUrl ) . "; } );</script>\n" );
1251                 } else {
1252                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1253                 }
1254
1255                 $this->startForm();
1256                 $this->parent->disableLinkPopups();
1257                 $this->addHTML(
1258                         $this->parent->getInfoBox(
1259                                 wfMessage( 'config-install-done',
1260                                         $lsUrl,
1261                                         $this->getVar( 'wgServer' ) .
1262                                                 $this->getVar( 'wgScriptPath' ) . '/index' .
1263                                                 $this->getVar( 'wgScriptExtension' ),
1264                                         '<downloadlink/>'
1265                                 )->plain(), 'tick-32.png'
1266                         )
1267                 );
1268                 $this->parent->restoreLinkPopups();
1269                 $this->endForm( false, false );
1270         }
1271 }
1272
1273 class WebInstaller_Restart extends WebInstallerPage {
1274
1275         public function execute() {
1276                 $r = $this->parent->request;
1277                 if ( $r->wasPosted() ) {
1278                         $really = $r->getVal( 'submit-restart' );
1279                         if ( $really ) {
1280                                 $this->parent->reset();
1281                         }
1282                         return 'continue';
1283                 }
1284
1285                 $this->startForm();
1286                 $s = $this->parent->getWarningBox( wfMessage( 'config-help-restart' )->plain() );
1287                 $this->addHTML( $s );
1288                 $this->endForm( 'restart' );
1289         }
1290
1291 }
1292
1293 abstract class WebInstaller_Document extends WebInstallerPage {
1294
1295         abstract protected function getFileName();
1296
1297         public function execute() {
1298                 $text = $this->getFileContents();
1299                 $text = InstallDocFormatter::format( $text );
1300                 $this->parent->output->addWikiText( $text );
1301                 $this->startForm();
1302                 $this->endForm( false );
1303         }
1304
1305         public function getFileContents() {
1306                 $file = __DIR__ . '/../../' . $this->getFileName();
1307                 if ( ! file_exists( $file ) ) {
1308                         return wfMessage( 'config-nofile', $file )->plain();
1309                 }
1310                 return file_get_contents( $file );
1311         }
1312
1313 }
1314
1315 class WebInstaller_Readme extends WebInstaller_Document {
1316         protected function getFileName() {
1317                 return 'README';
1318         }
1319 }
1320
1321 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1322         protected function getFileName() {
1323                 global $wgVersion;
1324
1325                 if ( !preg_match( '/^(\d+)\.(\d+).*/i', $wgVersion, $result ) ) {
1326                         throw new MWException( 'Variable $wgVersion has an invalid value.' );
1327                 }
1328
1329                 return 'RELEASE-NOTES-' . $result[1] . '.' . $result[2];
1330         }
1331 }
1332
1333 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1334         protected function getFileName() {
1335                 return 'UPGRADE';
1336         }
1337 }
1338
1339 class WebInstaller_Copying extends WebInstaller_Document {
1340         protected function getFileName() {
1341                 return 'COPYING';
1342         }
1343 }