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         /**
  40          * @return string
  41          */
  42         abstract public function execute();
  43
  44         /**
  45          * @param WebInstaller $parent
  46          */
  47         public function __construct( WebInstaller $parent ) {
  48                 $this->parent = $parent;
  49         }
  50
  51         /**
  52          * Is this a slow-running page in the installer? If so, WebInstaller will
  53          * set_time_limit(0) before calling execute(). Right now this only applies
  54          * to Install and Upgrade pages
  55          *
  56          * @return bool Always false in this default implementation.
  57          */
  58         public function isSlow() {
  59                 return false;
  60         }
  61
  62         /**
  63          * @param string $html
  64          */
  65         public function addHTML( $html ) {
  66                 $this->parent->output->addHTML( $html );
  67         }
  68
  69         public function startForm() {
  70                 $this->addHTML(
  71                         "<div class=\"config-section\">\n" .
  72                         Html::openElement(
  73                                 'form',
  74                                 array(
  75                                         'method' => 'post',
  76                                         'action' => $this->parent->getUrl( array( 'page' => $this->getName() ) )
  77                                 )
  78                         ) . "\n"
  79                 );
  80         }
  81
  82         /**
  83          * @param string|bool $continue
  84          * @param string|bool $back
  85          */
  86         public function endForm( $continue = 'continue', $back = 'back' ) {
  87                 $s = "<div class=\"config-submit\">\n";
  88                 $id = $this->getId();
  89
  90                 if ( $id === false ) {
  91                         $s .= Html::hidden( 'lastPage', $this->parent->request->getVal( 'lastPage' ) );
  92                 }
  93
  94                 if ( $continue ) {
  95                         // Fake submit button for enter keypress (bug 26267)
  96                         // Messages: config-continue, config-restart, config-regenerate
  97                         $s .= Xml::submitButton(
  98                                 wfMessage( "config-$continue" )->text(),
  99                                 array(
 100                                         'name' => "enter-$continue",
 101                                         'style' => 'visibility:hidden;overflow:hidden;width:1px;margin:0'
 102                                 )
 103                         ) . "\n";
 104                 }
 105
 106                 if ( $back ) {
 107                         // Message: config-back
 108                         $s .= Xml::submitButton(
 109                                 wfMessage( "config-$back" )->text(),
 110                                 array(
 111                                         'name' => "submit-$back",
 112                                         'tabindex' => $this->parent->nextTabIndex()
 113                                 )
 114                         ) . "\n";
 115                 }
 116
 117                 if ( $continue ) {
 118                         // Messages: config-continue, config-restart, config-regenerate
 119                         $s .= Xml::submitButton(
 120                                 wfMessage( "config-$continue" )->text(),
 121                                 array(
 122                                         'name' => "submit-$continue",
 123                                         'tabindex' => $this->parent->nextTabIndex(),
 124                                 )
 125                         ) . "\n";
 126                 }
 127
 128                 $s .= "</div></form></div>\n";
 129                 $this->addHTML( $s );
 130         }
 131
 132         /**
 133          * @return string
 134          */
 135         public function getName() {
 136                 return str_replace( 'WebInstaller', '', get_class( $this ) );
 137         }
 138
 139         /**
 140          * @return string
 141          */
 142         protected function getId() {
 143                 return array_search( $this->getName(), $this->parent->pageSequence );
 144         }
 145
 146         /**
 147          * @param string $var
 148          * @param mixed $default
 149          *
 150          * @return mixed
 151          */
 152         public function getVar( $var, $default = null ) {
 153                 return $this->parent->getVar( $var, $default );
 154         }
 155
 156         /**
 157          * @param string $name
 158          * @param mixed $value
 159          */
 160         public function setVar( $name, $value ) {
 161                 $this->parent->setVar( $name, $value );
 162         }
 163
 164         /**
 165          * Get the starting tags of a fieldset.
 166          *
 167          * @param string $legend Message name
 168          *
 169          * @return string
 170          */
 171         protected function getFieldsetStart( $legend ) {
 172                 return "\n<fieldset><legend>" . wfMessage( $legend )->escaped() . "</legend>\n";
 173         }
 174
 175         /**
 176          * Get the end tag of a fieldset.
 177          *
 178          * @return string
 179          */
 180         protected function getFieldsetEnd() {
 181                 return "</fieldset>\n";
 182         }
 183
 184         /**
 185          * Opens a textarea used to display the progress of a long operation
 186          */
 187         protected function startLiveBox() {
 188                 $this->addHTML(
 189                         '<div id="config-spinner" style="display:none;">' .
 190                         '<img src="images/ajax-loader.gif" /></div>' .
 191                         '<script>jQuery( "#config-spinner" ).show();</script>' .
 192                         '<div id="config-live-log">' .
 193                         '<textarea name="LiveLog" rows="10" cols="30" readonly="readonly">'
 194                 );
 195                 $this->parent->output->flush();
 196         }
 197
 198         /**
 199          * Opposite to WebInstallerPage::startLiveBox
 200          */
 201         protected function endLiveBox() {
 202                 $this->addHTML( '</textarea></div>
 203 <script>jQuery( "#config-spinner" ).hide()</script>' );
 204                 $this->parent->output->flush();
 205         }
 206
 207 }
 208
 209 class WebInstallerLanguage extends WebInstallerPage {
 210
 211         /**
 212          * @return string|null
 213          */
 214         public function execute() {
 215                 global $wgLang;
 216                 $r = $this->parent->request;
 217                 $userLang = $r->getVal( 'uselang' );
 218                 $contLang = $r->getVal( 'ContLang' );
 219
 220                 $languages = Language::fetchLanguageNames();
 221                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
 222                 if ( !$lifetime ) {
 223                         $lifetime = 1440; // PHP default
 224                 }
 225
 226                 if ( $r->wasPosted() ) {
 227                         # Do session test
 228                         if ( $this->parent->getSession( 'test' ) === null ) {
 229                                 $requestTime = $r->getVal( 'LanguageRequestTime' );
 230                                 if ( !$requestTime ) {
 231                                         // The most likely explanation is that the user was knocked back
 232                                         // from another page on POST due to session expiry
 233                                         $msg = 'config-session-expired';
 234                                 } elseif ( time() - $requestTime > $lifetime ) {
 235                                         $msg = 'config-session-expired';
 236                                 } else {
 237                                         $msg = 'config-no-session';
 238                                 }
 239                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
 240                         } else {
 241                                 if ( isset( $languages[$userLang] ) ) {
 242                                         $this->setVar( '_UserLang', $userLang );
 243                                 }
 244                                 if ( isset( $languages[$contLang] ) ) {
 245                                         $this->setVar( 'wgLanguageCode', $contLang );
 246                                 }
 247
 248                                 return 'continue';
 249                         }
 250                 } elseif ( $this->parent->showSessionWarning ) {
 251                         # The user was knocked back from another page to the start
 252                         # This probably indicates a session expiry
 253                         $this->parent->showError( 'config-session-expired',
 254                                 $wgLang->formatTimePeriod( $lifetime ) );
 255                 }
 256
 257                 $this->parent->setSession( 'test', true );
 258
 259                 if ( !isset( $languages[$userLang] ) ) {
 260                         $userLang = $this->getVar( '_UserLang', 'en' );
 261                 }
 262                 if ( !isset( $languages[$contLang] ) ) {
 263                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
 264                 }
 265                 $this->startForm();
 266                 $s = Html::hidden( 'LanguageRequestTime', time() ) .
 267                         $this->getLanguageSelector( 'uselang', 'config-your-language', $userLang,
 268                                 $this->parent->getHelpBox( 'config-your-language-help' ) ) .
 269                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang,
 270                                 $this->parent->getHelpBox( 'config-wiki-language-help' ) );
 271                 $this->addHTML( $s );
 272                 $this->endForm( 'continue', false );
 273
 274                 return null;
 275         }
 276
 277         /**
 278          * Get a "<select>" for selecting languages.
 279          *
 280          * @param string $name
 281          * @param string $label
 282          * @param string $selectedCode
 283          * @param string $helpHtml
 284          *
 285          * @return string
 286          */
 287         public function getLanguageSelector( $name, $label, $selectedCode, $helpHtml = '' ) {
 288                 global $wgDummyLanguageCodes;
 289
 290                 $output = $helpHtml;
 291
 292                 $select = new XmlSelect( $name, $name, $selectedCode );
 293                 $select->setAttribute( 'tabindex', $this->parent->nextTabIndex() );
 294
 295                 $languages = Language::fetchLanguageNames();
 296                 ksort( $languages );
 297                 foreach ( $languages as $code => $lang ) {
 298                         if ( isset( $wgDummyLanguageCodes[$code] ) ) {
 299                                 continue;
 300                         }
 301                         $select->addOption( "$code - $lang", $code );
 302                 }
 303
 304                 $output .= $select->getHTML();
 305                 return $this->parent->label( $label, $name, $output );
 306         }
 307
 308 }
 309
 310 class WebInstallerExistingWiki extends WebInstallerPage {
 311
 312         /**
 313          * @return string
 314          */
 315         public function execute() {
 316                 // If there is no LocalSettings.php, continue to the installer welcome page
 317                 $vars = Installer::getExistingLocalSettings();
 318                 if ( !$vars ) {
 319                         return 'skip';
 320                 }
 321
 322                 // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 323                 if ( $vars['wgUpgradeKey'] !== false
 324                         && $this->getVar( '_UpgradeKeySupplied' )
 325                         && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey']
 326                 ) {
 327                         // It's there, so the user is authorized
 328                         $status = $this->handleExistingUpgrade( $vars );
 329                         if ( $status->isOK() ) {
 330                                 return 'skip';
 331                         } else {
 332                                 $this->startForm();
 333                                 $this->parent->showStatusBox( $status );
 334                                 $this->endForm( 'continue' );
 335
 336                                 return 'output';
 337                         }
 338                 }
 339
 340                 // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
 341                 if ( $vars['wgUpgradeKey'] === false ) {
 342                         if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
 343                                 $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
 344                                 $this->parent->generateKeys();
 345                                 $this->setVar( 'wgSecretKey', $secretKey );
 346                                 $this->setVar( '_UpgradeKeySupplied', true );
 347                         }
 348                         $this->startForm();
 349                         $this->addHTML( $this->parent->getInfoBox(
 350                                 wfMessage( 'config-upgrade-key-missing', "<pre dir=\"ltr\">\$wgUpgradeKey = '" .
 351                                         $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )->plain()
 352                         ) );
 353                         $this->endForm( 'continue' );
 354
 355                         return 'output';
 356                 }
 357
 358                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 359
 360                 $r = $this->parent->request;
 361                 if ( $r->wasPosted() ) {
 362                         $key = $r->getText( 'config_wgUpgradeKey' );
 363                         if ( !$key || $key !== $vars['wgUpgradeKey'] ) {
 364                                 $this->parent->showError( 'config-localsettings-badkey' );
 365                                 $this->showKeyForm();
 366
 367                                 return 'output';
 368                         }
 369                         // Key was OK
 370                         $status = $this->handleExistingUpgrade( $vars );
 371                         if ( $status->isOK() ) {
 372                                 return 'continue';
 373                         } else {
 374                                 $this->parent->showStatusBox( $status );
 375                                 $this->showKeyForm();
 376
 377                                 return 'output';
 378                         }
 379                 } else {
 380                         $this->showKeyForm();
 381
 382                         return 'output';
 383                 }
 384         }
 385
 386         /**
 387          * Show the "enter key" form
 388          */
 389         protected function showKeyForm() {
 390                 $this->startForm();
 391                 $this->addHTML(
 392                         $this->parent->getInfoBox( wfMessage( 'config-localsettings-upgrade' )->plain() ) .
 393                         '<br />' .
 394                         $this->parent->getTextBox( array(
 395                                 'var' => 'wgUpgradeKey',
 396                                 'label' => 'config-localsettings-key',
 397                                 'attribs' => array( 'autocomplete' => 'off' ),
 398                         ) )
 399                 );
 400                 $this->endForm( 'continue' );
 401         }
 402
 403         /**
 404          * @param string[] $names
 405          * @param mixed[] $vars
 406          *
 407          * @return Status
 408          */
 409         protected function importVariables( $names, $vars ) {
 410                 $status = Status::newGood();
 411                 foreach ( $names as $name ) {
 412                         if ( !isset( $vars[$name] ) ) {
 413                                 $status->fatal( 'config-localsettings-incomplete', $name );
 414                         }
 415                         $this->setVar( $name, $vars[$name] );
 416                 }
 417
 418                 return $status;
 419         }
 420
 421         /**
 422          * Initiate an upgrade of the existing database
 423          *
 424          * @param mixed[] $vars Variables from LocalSettings.php
 425          *
 426          * @return Status
 427          */
 428         protected function handleExistingUpgrade( $vars ) {
 429                 // Check $wgDBtype
 430                 if ( !isset( $vars['wgDBtype'] ) ||
 431                         !in_array( $vars['wgDBtype'], Installer::getDBTypes() )
 432                 ) {
 433                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 434                 }
 435
 436                 // Set the relevant variables from LocalSettings.php
 437                 $requiredVars = array( 'wgDBtype' );
 438                 $status = $this->importVariables( $requiredVars, $vars );
 439                 $installer = $this->parent->getDBInstaller();
 440                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 441                 if ( !$status->isOK() ) {
 442                         return $status;
 443                 }
 444
 445                 if ( isset( $vars['wgDBadminuser'] ) ) {
 446                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 447                 } else {
 448                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 449                 }
 450                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 451                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 452                 } else {
 453                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 454                 }
 455
 456                 // Test the database connection
 457                 $status = $installer->getConnection();
 458                 if ( !$status->isOK() ) {
 459                         // Adjust the error message to explain things correctly
 460                         $status->replaceMessage( 'config-connection-error',
 461                                 'config-localsettings-connection-error' );
 462
 463                         return $status;
 464                 }
 465
 466                 // All good
 467                 $this->setVar( '_ExistingDBSettings', true );
 468
 469                 return $status;
 470         }
 471
 472 }
 473
 474 class WebInstallerWelcome extends WebInstallerPage {
 475
 476         /**
 477          * @return string
 478          */
 479         public function execute() {
 480                 if ( $this->parent->request->wasPosted() ) {
 481                         if ( $this->getVar( '_Environment' ) ) {
 482                                 return 'continue';
 483                         }
 484                 }
 485                 $this->parent->output->addWikiText( wfMessage( 'config-welcome' )->plain() );
 486                 $status = $this->parent->doEnvironmentChecks();
 487                 if ( $status->isGood() ) {
 488                         $this->parent->output->addHTML( '<span class="success-message">' .
 489                                 wfMessage( 'config-env-good' )->escaped() . '</span>' );
 490                         $this->parent->output->addWikiText( wfMessage( 'config-copyright',
 491                                 SpecialVersion::getCopyrightAndAuthorList() )->plain() );
 492                         $this->startForm();
 493                         $this->endForm();
 494                 } else {
 495                         $this->parent->showStatusMessage( $status );
 496                 }
 497
 498                 return '';
 499         }
 500
 501 }
 502
 503 class WebInstallerDBConnect extends WebInstallerPage {
 504
 505         /**
 506          * @return string|null When string, "skip" or "continue"
 507          */
 508         public function execute() {
 509                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 510                         return 'skip';
 511                 }
 512
 513                 $r = $this->parent->request;
 514                 if ( $r->wasPosted() ) {
 515                         $status = $this->submit();
 516
 517                         if ( $status->isGood() ) {
 518                                 $this->setVar( '_UpgradeDone', false );
 519
 520                                 return 'continue';
 521                         } else {
 522                                 $this->parent->showStatusBox( $status );
 523                         }
 524                 }
 525
 526                 $this->startForm();
 527
 528                 $types = "<ul class=\"config-settings-block\">\n";
 529                 $settings = '';
 530                 $defaultType = $this->getVar( 'wgDBtype' );
 531
 532                 // Messages: config-dbsupport-mysql, config-dbsupport-postgres, config-dbsupport-oracle,
 533                 // config-dbsupport-sqlite, config-dbsupport-mssql
 534                 $dbSupport = '';
 535                 foreach ( Installer::getDBTypes() as $type ) {
 536                         $dbSupport .= wfMessage( "config-dbsupport-$type" )->plain() . "\n";
 537                 }
 538                 $this->addHTML( $this->parent->getInfoBox(
 539                         wfMessage( 'config-support-info', trim( $dbSupport ) )->text() ) );
 540
 541                 // It's possible that the library for the default DB type is not compiled in.
 542                 // In that case, instead select the first supported DB type in the list.
 543                 $compiledDBs = $this->parent->getCompiledDBs();
 544                 if ( !in_array( $defaultType, $compiledDBs ) ) {
 545                         $defaultType = $compiledDBs[0];
 546                 }
 547
 548                 foreach ( $compiledDBs as $type ) {
 549                         $installer = $this->parent->getDBInstaller( $type );
 550                         $types .=
 551                                 '<li>' .
 552                                 Xml::radioLabel(
 553                                         $installer->getReadableName(),
 554                                         'DBType',
 555                                         $type,
 556                                         "DBType_$type",
 557                                         $type == $defaultType,
 558                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 559                                 ) .
 560                                 "</li>\n";
 561
 562                         // Messages: config-header-mysql, config-header-postgres, config-header-oracle,
 563                         // config-header-sqlite
 564                         $settings .= Html::openElement(
 565                                         'div',
 566                                         array(
 567                                                 'id' => 'DB_wrapper_' . $type,
 568                                                 'class' => 'dbWrapper'
 569                                         )
 570                                 ) .
 571                                 Html::element( 'h3', array(), wfMessage( 'config-header-' . $type )->text() ) .
 572                                 $installer->getConnectForm() .
 573                                 "</div>\n";
 574                 }
 575
 576                 $types .= "</ul><br style=\"clear: left\"/>\n";
 577
 578                 $this->addHTML( $this->parent->label( 'config-db-type', false, $types ) . $settings );
 579                 $this->endForm();
 580
 581                 return null;
 582         }
 583
 584         /**
 585          * @return Status
 586          */
 587         public function submit() {
 588                 $r = $this->parent->request;
 589                 $type = $r->getVal( 'DBType' );
 590                 if ( !$type ) {
 591                         return Status::newFatal( 'config-invalid-db-type' );
 592                 }
 593                 $this->setVar( 'wgDBtype', $type );
 594                 $installer = $this->parent->getDBInstaller( $type );
 595                 if ( !$installer ) {
 596                         return Status::newFatal( 'config-invalid-db-type' );
 597                 }
 598
 599                 return $installer->submitConnectForm();
 600         }
 601
 602 }
 603
 604 class WebInstallerUpgrade extends WebInstallerPage {
 605
 606         /**
 607          * @return bool Always true.
 608          */
 609         public function isSlow() {
 610                 return true;
 611         }
 612
 613         /**
 614          * @return string|null
 615          */
 616         public function execute() {
 617                 if ( $this->getVar( '_UpgradeDone' ) ) {
 618                         // Allow regeneration of LocalSettings.php, unless we are working
 619                         // from a pre-existing LocalSettings.php file and we want to avoid
 620                         // leaking its contents
 621                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 622                                 // Done message acknowledged
 623                                 return 'continue';
 624                         } else {
 625                                 // Back button click
 626                                 // Show the done message again
 627                                 // Make them click back again if they want to do the upgrade again
 628                                 $this->showDoneMessage();
 629
 630                                 return 'output';
 631                         }
 632                 }
 633
 634                 // wgDBtype is generally valid here because otherwise the previous page
 635                 // (connect) wouldn't have declared its happiness
 636                 $type = $this->getVar( 'wgDBtype' );
 637                 $installer = $this->parent->getDBInstaller( $type );
 638
 639                 if ( !$installer->needsUpgrade() ) {
 640                         return 'skip';
 641                 }
 642
 643                 if ( $this->parent->request->wasPosted() ) {
 644                         $installer->preUpgrade();
 645
 646                         $this->startLiveBox();
 647                         $result = $installer->doUpgrade();
 648                         $this->endLiveBox();
 649
 650                         if ( $result ) {
 651                                 // If they're going to possibly regenerate LocalSettings, we
 652                                 // need to create the upgrade/secret keys. Bug 26481
 653                                 if ( !$this->getVar( '_ExistingDBSettings' ) ) {
 654                                         $this->parent->generateKeys();
 655                                 }
 656                                 $this->setVar( '_UpgradeDone', true );
 657                                 $this->showDoneMessage();
 658
 659                                 return 'output';
 660                         }
 661                 }
 662
 663                 $this->startForm();
 664                 $this->addHTML( $this->parent->getInfoBox(
 665                         wfMessage( 'config-can-upgrade', $GLOBALS['wgVersion'] )->plain() ) );
 666                 $this->endForm();
 667
 668                 return null;
 669         }
 670
 671         public function showDoneMessage() {
 672                 $this->startForm();
 673                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 674                 if ( $regenerate ) {
 675                         $msg = 'config-upgrade-done';
 676                 } else {
 677                         $msg = 'config-upgrade-done-no-regenerate';
 678                 }
 679                 $this->parent->disableLinkPopups();
 680                 $this->addHTML(
 681                         $this->parent->getInfoBox(
 682                                 wfMessage( $msg,
 683                                         $this->getVar( 'wgServer' ) .
 684                                         $this->getVar( 'wgScriptPath' ) . '/index.php'
 685                                 )->plain(), 'tick-32.png'
 686                         )
 687                 );
 688                 $this->parent->restoreLinkPopups();
 689                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 690         }
 691
 692 }
 693
 694 class WebInstallerDBSettings extends WebInstallerPage {
 695
 696         /**
 697          * @return string|null
 698          */
 699         public function execute() {
 700                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 701
 702                 $r = $this->parent->request;
 703                 if ( $r->wasPosted() ) {
 704                         $status = $installer->submitSettingsForm();
 705                         if ( $status === false ) {
 706                                 return 'skip';
 707                         } elseif ( $status->isGood() ) {
 708                                 return 'continue';
 709                         } else {
 710                                 $this->parent->showStatusBox( $status );
 711                         }
 712                 }
 713
 714                 $form = $installer->getSettingsForm();
 715                 if ( $form === false ) {
 716                         return 'skip';
 717                 }
 718
 719                 $this->startForm();
 720                 $this->addHTML( $form );
 721                 $this->endForm();
 722
 723                 return null;
 724         }
 725
 726 }
 727
 728 class WebInstallerName extends WebInstallerPage {
 729
 730         /**
 731          * @return string
 732          */
 733         public function execute() {
 734                 $r = $this->parent->request;
 735                 if ( $r->wasPosted() ) {
 736                         if ( $this->submit() ) {
 737                                 return 'continue';
 738                         }
 739                 }
 740
 741                 $this->startForm();
 742
 743                 // Encourage people to not name their site 'MediaWiki' by blanking the
 744                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 745                 // but these two always were the same so had the effect of making the
 746                 // installer forget $wgSitename when navigating back to this page.
 747                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 748                         $this->setVar( 'wgSitename', '' );
 749                 }
 750
 751                 // Set wgMetaNamespace to something valid before we show the form.
 752                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 753                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 754                 $this->setVar(
 755                         'wgMetaNamespace',
 756                         wfMessage( 'config-ns-other-default' )->inContentLanguage()->text()
 757                 );
 758
 759                 $this->addHTML(
 760                         $this->parent->getTextBox( array(
 761                                 'var' => 'wgSitename',
 762                                 'label' => 'config-site-name',
 763                                 'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 764                         ) ) .
 765                         // getRadioSet() builds a set of labeled radio buttons.
 766                         // For grep: The following messages are used as the item labels:
 767                         // config-ns-site-name, config-ns-generic, config-ns-other
 768                         $this->parent->getRadioSet( array(
 769                                 'var' => '_NamespaceType',
 770                                 'label' => 'config-project-namespace',
 771                                 'itemLabelPrefix' => 'config-ns-',
 772                                 'values' => array( 'site-name', 'generic', 'other' ),
 773                                 'commonAttribs' => array( 'class' => 'enableForOther',
 774                                         'rel' => 'config_wgMetaNamespace' ),
 775                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 776                         ) ) .
 777                         $this->parent->getTextBox( array(
 778                                 'var' => 'wgMetaNamespace',
 779                                 'label' => '', // @todo Needs a label?
 780                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' )
 781                         ) ) .
 782                         $this->getFieldSetStart( 'config-admin-box' ) .
 783                         $this->parent->getTextBox( array(
 784                                 'var' => '_AdminName',
 785                                 'label' => 'config-admin-name',
 786                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 787                         ) ) .
 788                         $this->parent->getPasswordBox( array(
 789                                 'var' => '_AdminPassword',
 790                                 'label' => 'config-admin-password',
 791                         ) ) .
 792                         $this->parent->getPasswordBox( array(
 793                                 'var' => '_AdminPasswordConfirm',
 794                                 'label' => 'config-admin-password-confirm'
 795                         ) ) .
 796                         $this->parent->getTextBox( array(
 797                                 'var' => '_AdminEmail',
 798                                 'attribs' => array(
 799                                         'dir' => 'ltr',
 800                                 ),
 801                                 'label' => 'config-admin-email',
 802                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 803                         ) ) .
 804                         $this->parent->getCheckBox( array(
 805                                 'var' => '_Subscribe',
 806                                 'label' => 'config-subscribe',
 807                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 808                         ) ) .
 809                         $this->getFieldSetEnd() .
 810                         $this->parent->getInfoBox( wfMessage( 'config-almost-done' )->text() ) .
 811                         // getRadioSet() builds a set of labeled radio buttons.
 812                         // For grep: The following messages are used as the item labels:
 813                         // config-optional-continue, config-optional-skip
 814                         $this->parent->getRadioSet( array(
 815                                 'var' => '_SkipOptional',
 816                                 'itemLabelPrefix' => 'config-optional-',
 817                                 'values' => array( 'continue', 'skip' )
 818                         ) )
 819                 );
 820
 821                 // Restore the default value
 822                 $this->setVar( 'wgMetaNamespace', $metaNS );
 823
 824                 $this->endForm();
 825
 826                 return 'output';
 827         }
 828
 829         /**
 830          * @return bool
 831          */
 832         public function submit() {
 833                 global $wgPasswordPolicy;
 834
 835                 $retVal = true;
 836                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 837                         '_AdminName', '_AdminPassword', '_AdminPasswordConfirm', '_AdminEmail',
 838                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 839
 840                 // Validate site name
 841                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 842                         $this->parent->showError( 'config-site-name-blank' );
 843                         $retVal = false;
 844                 }
 845
 846                 // Fetch namespace
 847                 $nsType = $this->getVar( '_NamespaceType' );
 848                 if ( $nsType == 'site-name' ) {
 849                         $name = $this->getVar( 'wgSitename' );
 850                         // Sanitize for namespace
 851                         // This algorithm should match the JS one in WebInstallerOutput.php
 852                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 853                         $name = str_replace( '&', '&amp;', $name );
 854                         $name = preg_replace( '/__+/', '_', $name );
 855                         $name = ucfirst( trim( $name, '_' ) );
 856                 } elseif ( $nsType == 'generic' ) {
 857                         $name = wfMessage( 'config-ns-generic' )->text();
 858                 } else { // other
 859                         $name = $this->getVar( 'wgMetaNamespace' );
 860                 }
 861
 862                 // Validate namespace
 863                 if ( strpos( $name, ':' ) !== false ) {
 864                         $good = false;
 865                 } else {
 866                         // Title-style validation
 867                         $title = Title::newFromText( $name );
 868                         if ( !$title ) {
 869                                 $good = $nsType == 'site-name';
 870                         } else {
 871                                 $name = $title->getDBkey();
 872                                 $good = true;
 873                         }
 874                 }
 875                 if ( !$good ) {
 876                         $this->parent->showError( 'config-ns-invalid', $name );
 877                         $retVal = false;
 878                 }
 879
 880                 // Make sure it won't conflict with any existing namespaces
 881                 global $wgContLang;
 882                 $nsIndex = $wgContLang->getNsIndex( $name );
 883                 if ( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 884                         $this->parent->showError( 'config-ns-conflict', $name );
 885                         $retVal = false;
 886                 }
 887
 888                 $this->setVar( 'wgMetaNamespace', $name );
 889
 890                 // Validate username for creation
 891                 $name = $this->getVar( '_AdminName' );
 892                 if ( strval( $name ) === '' ) {
 893                         $this->parent->showError( 'config-admin-name-blank' );
 894                         $cname = $name;
 895                         $retVal = false;
 896                 } else {
 897                         $cname = User::getCanonicalName( $name, 'creatable' );
 898                         if ( $cname === false ) {
 899                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 900                                 $retVal = false;
 901                         } else {
 902                                 $this->setVar( '_AdminName', $cname );
 903                         }
 904                 }
 905
 906                 // Validate password
 907                 $msg = false;
 908                 $pwd = $this->getVar( '_AdminPassword' );
 909                 $user = User::newFromName( $cname );
 910                 if ( $user ) {
 911                         $upp = new UserPasswordPolicy(
 912                                 $wgPasswordPolicy['policies'],
 913                                 $wgPasswordPolicy['checks']
 914                         );
 915                         $status = $upp->checkUserPasswordForGroups(
 916                                 $user,
 917                                 $pwd,
 918                                 array( 'bureaucrat', 'sysop' )  // per Installer::createSysop()
 919                         );
 920                         $valid = $status->isGood() ? true : $status->getMessage();
 921                 } else {
 922                         $valid = 'config-admin-name-invalid';
 923                 }
 924                 if ( strval( $pwd ) === '' ) {
 925                         // Provide a more specific and helpful message if password field is left blank
 926                         $msg = 'config-admin-password-blank';
 927                 } elseif ( $pwd !== $this->getVar( '_AdminPasswordConfirm' ) ) {
 928                         $msg = 'config-admin-password-mismatch';
 929                 } elseif ( $valid !== true ) {
 930                         $msg = $valid;
 931                 }
 932                 if ( $msg !== false ) {
 933                         call_user_func( array( $this->parent, 'showError' ), $msg );
 934                         $this->setVar( '_AdminPassword', '' );
 935                         $this->setVar( '_AdminPasswordConfirm', '' );
 936                         $retVal = false;
 937                 }
 938
 939                 // Validate e-mail if provided
 940                 $email = $this->getVar( '_AdminEmail' );
 941                 if ( $email && !Sanitizer::validateEmail( $email ) ) {
 942                         $this->parent->showError( 'config-admin-error-bademail' );
 943                         $retVal = false;
 944                 }
 945                 // If they asked to subscribe to mediawiki-announce but didn't give
 946                 // an e-mail, show an error. Bug 29332
 947                 if ( !$email && $this->getVar( '_Subscribe' ) ) {
 948                         $this->parent->showError( 'config-subscribe-noemail' );
 949                         $retVal = false;
 950                 }
 951
 952                 return $retVal;
 953         }
 954
 955 }
 956
 957 class WebInstallerOptions extends WebInstallerPage {
 958
 959         /**
 960          * @return string|null
 961          */
 962         public function execute() {
 963                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 964                         $this->submitSkins();
 965                         return 'skip';
 966                 }
 967                 if ( $this->parent->request->wasPosted() ) {
 968                         if ( $this->submit() ) {
 969                                 return 'continue';
 970                         }
 971                 }
 972
 973                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 974                 $this->startForm();
 975                 $this->addHTML(
 976                         # User Rights
 977                         // getRadioSet() builds a set of labeled radio buttons.
 978                         // For grep: The following messages are used as the item labels:
 979                         // config-profile-wiki, config-profile-no-anon, config-profile-fishbowl, config-profile-private
 980                         $this->parent->getRadioSet( array(
 981                                 'var' => '_RightsProfile',
 982                                 'label' => 'config-profile',
 983                                 'itemLabelPrefix' => 'config-profile-',
 984                                 'values' => array_keys( $this->parent->rightsProfiles ),
 985                         ) ) .
 986                         $this->parent->getInfoBox( wfMessage( 'config-profile-help' )->plain() ) .
 987
 988                         # Licensing
 989                         // getRadioSet() builds a set of labeled radio buttons.
 990                         // For grep: The following messages are used as the item labels:
 991                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
 992                         // config-license-cc-0, config-license-pd, config-license-gfdl,
 993                         // config-license-none, config-license-cc-choose
 994                         $this->parent->getRadioSet( array(
 995                                 'var' => '_LicenseCode',
 996                                 'label' => 'config-license',
 997                                 'itemLabelPrefix' => 'config-license-',
 998                                 'values' => array_keys( $this->parent->licenses ),
 999                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
1000                         ) ) .
1001                         $this->getCCChooser() .
1002                         $this->parent->getHelpBox( 'config-license-help' ) .
1003
1004                         # E-mail
1005                         $this->getFieldSetStart( 'config-email-settings' ) .
1006                         $this->parent->getCheckBox( array(
1007                                 'var' => 'wgEnableEmail',
1008                                 'label' => 'config-enable-email',
1009                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
1010                         ) ) .
1011                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
1012                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
1013                         $this->parent->getTextBox( array(
1014                                 'var' => 'wgPasswordSender',
1015                                 'label' => 'config-email-sender'
1016                         ) ) .
1017                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
1018                         $this->parent->getCheckBox( array(
1019                                 'var' => 'wgEnableUserEmail',
1020                                 'label' => 'config-email-user',
1021                         ) ) .
1022                         $this->parent->getHelpBox( 'config-email-user-help' ) .
1023                         $this->parent->getCheckBox( array(
1024                                 'var' => 'wgEnotifUserTalk',
1025                                 'label' => 'config-email-usertalk',
1026                         ) ) .
1027                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
1028                         $this->parent->getCheckBox( array(
1029                                 'var' => 'wgEnotifWatchlist',
1030                                 'label' => 'config-email-watchlist',
1031                         ) ) .
1032                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
1033                         $this->parent->getCheckBox( array(
1034                                 'var' => 'wgEmailAuthentication',
1035                                 'label' => 'config-email-auth',
1036                         ) ) .
1037                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
1038                         "</div>" .
1039                         $this->getFieldSetEnd()
1040                 );
1041
1042                 $skins = $this->parent->findExtensions( 'skins' );
1043                 $skinHtml = $this->getFieldSetStart( 'config-skins' );
1044
1045                 $skinNames = array_map( 'strtolower', $skins );
1046                 $chosenSkinName = $this->getVar( 'wgDefaultSkin', $this->parent->getDefaultSkin( $skinNames ) );
1047
1048                 if ( $skins ) {
1049                         $radioButtons = $this->parent->getRadioElements( array(
1050                                 'var' => 'wgDefaultSkin',
1051                                 'itemLabels' => array_fill_keys( $skinNames, 'config-skins-use-as-default' ),
1052                                 'values' => $skinNames,
1053                                 'value' => $chosenSkinName,
1054                         ) );
1055
1056                         foreach ( $skins as $skin ) {
1057                                 $skinHtml .=
1058                                         '<div class="config-skins-item">' .
1059                                         $this->parent->getCheckBox( array(
1060                                                 'var' => "skin-$skin",
1061                                                 'rawtext' => $skin,
1062                                                 'value' => $this->getVar( "skin-$skin", true ), // all found skins enabled by default
1063                                         ) ) .
1064                                         '<div class="config-skins-use-as-default">' . $radioButtons[strtolower( $skin )] . '</div>' .
1065                                         '</div>';
1066                         }
1067                 } else {
1068                         $skinHtml .=
1069                                 $this->parent->getWarningBox( wfMessage( 'config-skins-missing' )->plain() ) .
1070                                 Html::hidden( 'config_wgDefaultSkin', $chosenSkinName );
1071                 }
1072
1073                 $skinHtml .= $this->parent->getHelpBox( 'config-skins-help' ) .
1074                         $this->getFieldSetEnd();
1075                 $this->addHTML( $skinHtml );
1076
1077                 $extensions = $this->parent->findExtensions();
1078
1079                 if ( $extensions ) {
1080                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
1081
1082                         foreach ( $extensions as $ext ) {
1083                                 $extHtml .= $this->parent->getCheckBox( array(
1084                                         'var' => "ext-$ext",
1085                                         'rawtext' => $ext,
1086                                 ) );
1087                         }
1088
1089                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
1090                                 $this->getFieldSetEnd();
1091                         $this->addHTML( $extHtml );
1092                 }
1093
1094                 // Having / in paths in Windows looks funny :)
1095                 $this->setVar( 'wgDeletedDirectory',
1096                         str_replace(
1097                                 '/', DIRECTORY_SEPARATOR,
1098                                 $this->getVar( 'wgDeletedDirectory' )
1099                         )
1100                 );
1101
1102                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
1103                 $this->addHTML(
1104                         # Uploading
1105                         $this->getFieldSetStart( 'config-upload-settings' ) .
1106                         $this->parent->getCheckBox( array(
1107                                 'var' => 'wgEnableUploads',
1108                                 'label' => 'config-upload-enable',
1109                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
1110                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
1111                         ) ) .
1112                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
1113                         $this->parent->getTextBox( array(
1114                                 'var' => 'wgDeletedDirectory',
1115                                 'label' => 'config-upload-deleted',
1116                                 'attribs' => array( 'dir' => 'ltr' ),
1117                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
1118                         ) ) .
1119                         '</div>' .
1120                         $this->parent->getTextBox( array(
1121                                 'var' => 'wgLogo',
1122                                 'label' => 'config-logo',
1123                                 'attribs' => array( 'dir' => 'ltr' ),
1124                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
1125                         ) )
1126                 );
1127                 $this->addHTML(
1128                         $this->parent->getCheckBox( array(
1129                                 'var' => 'wgUseInstantCommons',
1130                                 'label' => 'config-instantcommons',
1131                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
1132                         ) ) .
1133                         $this->getFieldSetEnd()
1134                 );
1135
1136                 $caches = array( 'none' );
1137                 $cachevalDefault = 'none';
1138
1139                 if ( count( $this->getVar( '_Caches' ) ) ) {
1140                         // A CACHE_ACCEL implementation is available
1141                         $caches[] = 'accel';
1142                         $cachevalDefault = 'accel';
1143                 }
1144                 $caches[] = 'memcached';
1145
1146                 // We'll hide/show this on demand when the value changes, see config.js.
1147                 $cacheval = $this->getVar( '_MainCacheType' );
1148                 if ( !$cacheval ) {
1149                         // We need to set a default here; but don't hardcode it
1150                         // or we lose it every time we reload the page for validation
1151                         // or going back!
1152                         $cacheval = $cachevalDefault;
1153                 }
1154                 $hidden = ( $cacheval == 'memcached' ) ? '' : 'display: none';
1155                 $this->addHTML(
1156                         # Advanced settings
1157                         $this->getFieldSetStart( 'config-advanced-settings' ) .
1158                         # Object cache settings
1159                         // getRadioSet() builds a set of labeled radio buttons.
1160                         // For grep: The following messages are used as the item labels:
1161                         // config-cache-none, config-cache-accel, config-cache-memcached
1162                         $this->parent->getRadioSet( array(
1163                                 'var' => '_MainCacheType',
1164                                 'label' => 'config-cache-options',
1165                                 'itemLabelPrefix' => 'config-cache-',
1166                                 'values' => $caches,
1167                                 'value' => $cacheval,
1168                         ) ) .
1169                         $this->parent->getHelpBox( 'config-cache-help' ) .
1170                         "<div id=\"config-memcachewrapper\" style=\"$hidden\">" .
1171                         $this->parent->getTextArea( array(
1172                                 'var' => '_MemCachedServers',
1173                                 'label' => 'config-memcached-servers',
1174                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
1175                         ) ) .
1176                         '</div>' .
1177                         $this->getFieldSetEnd()
1178                 );
1179                 $this->endForm();
1180
1181                 return null;
1182         }
1183
1184         /**
1185          * @return string
1186          */
1187         public function getCCPartnerUrl() {
1188                 $server = $this->getVar( 'wgServer' );
1189                 $exitUrl = $server . $this->parent->getUrl( array(
1190                         'page' => 'Options',
1191                         'SubmitCC' => 'indeed',
1192                         'config__LicenseCode' => 'cc',
1193                         'config_wgRightsUrl' => '[license_url]',
1194                         'config_wgRightsText' => '[license_name]',
1195                         'config_wgRightsIcon' => '[license_button]',
1196                 ) );
1197                 $styleUrl = $server . dirname( dirname( $this->parent->getUrl() ) ) .
1198                         '/mw-config/config-cc.css';
1199                 $iframeUrl = '//creativecommons.org/license/?' .
1200                         wfArrayToCgi( array(
1201                                 'partner' => 'MediaWiki',
1202                                 'exit_url' => $exitUrl,
1203                                 'lang' => $this->getVar( '_UserLang' ),
1204                                 'stylesheet' => $styleUrl,
1205                         ) );
1206
1207                 return $iframeUrl;
1208         }
1209
1210         /**
1211          * @return string
1212          */
1213         public function getCCChooser() {
1214                 $iframeAttribs = array(
1215                         'class' => 'config-cc-iframe',
1216                         'name' => 'config-cc-iframe',
1217                         'id' => 'config-cc-iframe',
1218                         'frameborder' => 0,
1219                         'width' => '100%',
1220                         'height' => '100%',
1221                 );
1222                 if ( $this->getVar( '_CCDone' ) ) {
1223                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
1224                 } else {
1225                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
1226                 }
1227                 $wrapperStyle = ( $this->getVar( '_LicenseCode' ) == 'cc-choose' ) ? '' : 'display: none';
1228
1229                 return "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
1230                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
1231                         "</div>\n";
1232         }
1233
1234         /**
1235          * @return string
1236          */
1237         public function getCCDoneBox() {
1238                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
1239                 // If you change this height, also change it in config.css
1240                 $expandJs = str_replace( '$1', '54em', $js );
1241                 $reduceJs = str_replace( '$1', '70px', $js );
1242
1243                 return '<p>' .
1244                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
1245                         '&#160;&#160;' .
1246                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
1247                         "</p>\n" .
1248                         "<p style=\"text-align: center;\">" .
1249                         Html::element( 'a',
1250                                 array(
1251                                         'href' => $this->getCCPartnerUrl(),
1252                                         'onclick' => $expandJs,
1253                                 ),
1254                                 wfMessage( 'config-cc-again' )->text()
1255                         ) .
1256                         "</p>\n" .
1257                         "<script>\n" .
1258                         # Reduce the wrapper div height
1259                         htmlspecialchars( $reduceJs ) .
1260                         "\n" .
1261                         "</script>\n";
1262         }
1263
1264         public function submitCC() {
1265                 $newValues = $this->parent->setVarsFromRequest(
1266                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
1267                 if ( count( $newValues ) != 3 ) {
1268                         $this->parent->showError( 'config-cc-error' );
1269
1270                         return;
1271                 }
1272                 $this->setVar( '_CCDone', true );
1273                 $this->addHTML( $this->getCCDoneBox() );
1274         }
1275
1276         /**
1277          * If the user skips this installer page, we still need to set up the default skins, but ignore
1278          * everything else.
1279          *
1280          * @return bool
1281          */
1282         public function submitSkins() {
1283                 $skins = $this->parent->findExtensions( 'skins' );
1284                 $this->parent->setVar( '_Skins', $skins );
1285
1286                 if ( $skins ) {
1287                         $skinNames = array_map( 'strtolower', $skins );
1288                         $this->parent->setVar( 'wgDefaultSkin', $this->parent->getDefaultSkin( $skinNames ) );
1289                 }
1290
1291                 return true;
1292         }
1293
1294         /**
1295          * @return bool
1296          */
1297         public function submit() {
1298                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1299                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1300                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1301                         'wgEmailAuthentication', '_MainCacheType', '_MemCachedServers',
1302                         'wgUseInstantCommons', 'wgDefaultSkin' ) );
1303
1304                 $retVal = true;
1305
1306                 if ( !array_key_exists( $this->getVar( '_RightsProfile' ), $this->parent->rightsProfiles ) ) {
1307                         reset( $this->parent->rightsProfiles );
1308                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1309                 }
1310
1311                 $code = $this->getVar( '_LicenseCode' );
1312                 if ( $code == 'cc-choose' ) {
1313                         if ( !$this->getVar( '_CCDone' ) ) {
1314                                 $this->parent->showError( 'config-cc-not-chosen' );
1315                                 $retVal = false;
1316                         }
1317                 } elseif ( array_key_exists( $code, $this->parent->licenses ) ) {
1318                         // Messages:
1319                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
1320                         // config-license-cc-0, config-license-pd, config-license-gfdl, config-license-none,
1321                         // config-license-cc-choose
1322                         $entry = $this->parent->licenses[$code];
1323                         if ( isset( $entry['text'] ) ) {
1324                                 $this->setVar( 'wgRightsText', $entry['text'] );
1325                         } else {
1326                                 $this->setVar( 'wgRightsText', wfMessage( 'config-license-' . $code )->text() );
1327                         }
1328                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1329                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1330                 } else {
1331                         $this->setVar( 'wgRightsText', '' );
1332                         $this->setVar( 'wgRightsUrl', '' );
1333                         $this->setVar( 'wgRightsIcon', '' );
1334                 }
1335
1336                 $skinsAvailable = $this->parent->findExtensions( 'skins' );
1337                 $skinsToInstall = array();
1338                 foreach ( $skinsAvailable as $skin ) {
1339                         $this->parent->setVarsFromRequest( array( "skin-$skin" ) );
1340                         if ( $this->getVar( "skin-$skin" ) ) {
1341                                 $skinsToInstall[] = $skin;
1342                         }
1343                 }
1344                 $this->parent->setVar( '_Skins', $skinsToInstall );
1345
1346                 if ( !$skinsToInstall && $skinsAvailable ) {
1347                         $this->parent->showError( 'config-skins-must-enable-some' );
1348                         $retVal = false;
1349                 }
1350                 $defaultSkin = $this->getVar( 'wgDefaultSkin' );
1351                 $skinsToInstallLowercase = array_map( 'strtolower', $skinsToInstall );
1352                 if ( $skinsToInstall && array_search( $defaultSkin, $skinsToInstallLowercase ) === false ) {
1353                         $this->parent->showError( 'config-skins-must-enable-default' );
1354                         $retVal = false;
1355                 }
1356
1357                 $extsAvailable = $this->parent->findExtensions();
1358                 $extsToInstall = array();
1359                 foreach ( $extsAvailable as $ext ) {
1360                         $this->parent->setVarsFromRequest( array( "ext-$ext" ) );
1361                         if ( $this->getVar( "ext-$ext" ) ) {
1362                                 $extsToInstall[] = $ext;
1363                         }
1364                 }
1365                 $this->parent->setVar( '_Extensions', $extsToInstall );
1366
1367                 if ( $this->getVar( '_MainCacheType' ) == 'memcached' ) {
1368                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1369                         if ( !$memcServers ) {
1370                                 $this->parent->showError( 'config-memcache-needservers' );
1371                                 $retVal = false;
1372                         }
1373
1374                         foreach ( $memcServers as $server ) {
1375                                 $memcParts = explode( ":", $server, 2 );
1376                                 if ( !isset( $memcParts[0] )
1377                                         || ( !IP::isValid( $memcParts[0] )
1378                                                 && ( gethostbyname( $memcParts[0] ) == $memcParts[0] ) )
1379                                 ) {
1380                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1381                                         $retVal = false;
1382                                 } elseif ( !isset( $memcParts[1] ) ) {
1383                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1384                                         $retVal = false;
1385                                 } elseif ( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1386                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1387                                         $retVal = false;
1388                                 }
1389                         }
1390                 }
1391
1392                 return $retVal;
1393         }
1394
1395 }
1396
1397 class WebInstallerInstall extends WebInstallerPage {
1398
1399         /**
1400          * @return bool Always true.
1401          */
1402         public function isSlow() {
1403                 return true;
1404         }
1405
1406         /**
1407          * @return string|bool
1408          */
1409         public function execute() {
1410                 if ( $this->getVar( '_UpgradeDone' ) ) {
1411                         return 'skip';
1412                 } elseif ( $this->getVar( '_InstallDone' ) ) {
1413                         return 'continue';
1414                 } elseif ( $this->parent->request->wasPosted() ) {
1415                         $this->startForm();
1416                         $this->addHTML( "<ul>" );
1417                         $results = $this->parent->performInstallation(
1418                                 array( $this, 'startStage' ),
1419                                 array( $this, 'endStage' )
1420                         );
1421                         $this->addHTML( "</ul>" );
1422                         // PerformInstallation bails on a fatal, so make sure the last item
1423                         // completed before giving 'next.' Likewise, only provide back on failure
1424                         $lastStep = end( $results );
1425                         $continue = $lastStep->isOK() ? 'continue' : false;
1426                         $back = $lastStep->isOK() ? false : 'back';
1427                         $this->endForm( $continue, $back );
1428                 } else {
1429                         $this->startForm();
1430                         $this->addHTML( $this->parent->getInfoBox( wfMessage( 'config-install-begin' )->plain() ) );
1431                         $this->endForm();
1432                 }
1433
1434                 return true;
1435         }
1436
1437         /**
1438          * @param string $step
1439          */
1440         public function startStage( $step ) {
1441                 // Messages: config-install-database, config-install-tables, config-install-interwiki,
1442                 // config-install-stats, config-install-keys, config-install-sysop, config-install-mainpage
1443                 $this->addHTML( "<li>" . wfMessage( "config-install-$step" )->escaped() .
1444                         wfMessage( 'ellipsis' )->escaped() );
1445
1446                 if ( $step == 'extension-tables' ) {
1447                         $this->startLiveBox();
1448                 }
1449         }
1450
1451         /**
1452          * @param string $step
1453          * @param Status $status
1454          */
1455         public function endStage( $step, $status ) {
1456                 if ( $step == 'extension-tables' ) {
1457                         $this->endLiveBox();
1458                 }
1459                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1460                 $html = wfMessage( 'word-separator' )->escaped() . wfMessage( $msg )->escaped();
1461                 if ( !$status->isOk() ) {
1462                         $html = "<span class=\"error\">$html</span>";
1463                 }
1464                 $this->addHTML( $html . "</li>\n" );
1465                 if ( !$status->isGood() ) {
1466                         $this->parent->showStatusBox( $status );
1467                 }
1468         }
1469
1470 }
1471
1472 class WebInstallerComplete extends WebInstallerPage {
1473
1474         public function execute() {
1475                 // Pop up a dialog box, to make it difficult for the user to forget
1476                 // to download the file
1477                 $lsUrl = $this->getVar( 'wgServer' ) . $this->parent->getURL( array( 'localsettings' => 1 ) );
1478                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) &&
1479                         strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false
1480                 ) {
1481                         // JS appears to be the only method that works consistently with IE7+
1482                         $this->addHtml( "\n<script>jQuery( function () { location.href = " .
1483                                 Xml::encodeJsVar( $lsUrl ) . "; } );</script>\n" );
1484                 } else {
1485                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1486                 }
1487
1488                 $this->startForm();
1489                 $this->parent->disableLinkPopups();
1490                 $this->addHTML(
1491                         $this->parent->getInfoBox(
1492                                 wfMessage( 'config-install-done',
1493                                         $lsUrl,
1494                                         $this->getVar( 'wgServer' ) .
1495                                         $this->getVar( 'wgScriptPath' ) . '/index.php',
1496                                         '<downloadlink/>'
1497                                 )->plain(), 'tick-32.png'
1498                         )
1499                 );
1500                 $this->addHTML( $this->parent->getInfoBox(
1501                         wfMessage( 'config-extension-link' )->text() ) );
1502
1503                 $this->parent->restoreLinkPopups();
1504                 $this->endForm( false, false );
1505         }
1506
1507 }
1508
1509 class WebInstallerRestart extends WebInstallerPage {
1510
1511         /**
1512          * @return string|null
1513          */
1514         public function execute() {
1515                 $r = $this->parent->request;
1516                 if ( $r->wasPosted() ) {
1517                         $really = $r->getVal( 'submit-restart' );
1518                         if ( $really ) {
1519                                 $this->parent->reset();
1520                         }
1521
1522                         return 'continue';
1523                 }
1524
1525                 $this->startForm();
1526                 $s = $this->parent->getWarningBox( wfMessage( 'config-help-restart' )->plain() );
1527                 $this->addHTML( $s );
1528                 $this->endForm( 'restart' );
1529
1530                 return null;
1531         }
1532
1533 }
1534
1535 abstract class WebInstallerDocument extends WebInstallerPage {
1536
1537         /**
1538          * @return string
1539          */
1540         abstract protected function getFileName();
1541
1542         public function execute() {
1543                 $text = $this->getFileContents();
1544                 $text = InstallDocFormatter::format( $text );
1545                 $this->parent->output->addWikiText( $text );
1546                 $this->startForm();
1547                 $this->endForm( false );
1548         }
1549
1550         /**
1551          * @return string
1552          */
1553         public function getFileContents() {
1554                 $file = __DIR__ . '/../../' . $this->getFileName();
1555                 if ( !file_exists( $file ) ) {
1556                         return wfMessage( 'config-nofile', $file )->plain();
1557                 }
1558
1559                 return file_get_contents( $file );
1560         }
1561
1562 }
1563
1564 class WebInstallerReadme extends WebInstallerDocument {
1565
1566         /**
1567          * @return string
1568          */
1569         protected function getFileName() {
1570                 return 'README';
1571         }
1572
1573 }
1574
1575 class WebInstallerReleaseNotes extends WebInstallerDocument {
1576
1577         /**
1578          * @throws MWException
1579          * @return string
1580          */
1581         protected function getFileName() {
1582                 global $wgVersion;
1583
1584                 if ( !preg_match( '/^(\d+)\.(\d+).*/i', $wgVersion, $result ) ) {
1585                         throw new MWException( 'Variable $wgVersion has an invalid value.' );
1586                 }
1587
1588                 return 'RELEASE-NOTES-' . $result[1] . '.' . $result[2];
1589         }
1590
1591 }
1592
1593 class WebInstallerUpgradeDoc extends WebInstallerDocument {
1594
1595         /**
1596          * @return string
1597          */
1598         protected function getFileName() {
1599                 return 'UPGRADE';
1600         }
1601
1602 }
1603
1604 class WebInstallerCopying extends WebInstallerDocument {
1605
1606         /**
1607          * @return string
1608          */
1609         protected function getFileName() {
1610                 return 'COPYING';
1611         }
1612
1613 }