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                 $s = $helpHtml;
 291
 292                 $s .= Html::openElement( 'select', array( 'id' => $name, 'name' => $name,
 293                                 'tabindex' => $this->parent->nextTabIndex() ) ) . "\n";
 294
 295                 $languages = Language::fetchLanguageNames();
 296                 ksort( $languages );
 297                 foreach ( $languages as $code => $lang ) {
 298                         if ( isset( $wgDummyLanguageCodes[$code] ) ) {
 299                                 continue;
 300                         }
 301                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 302                 }
 303                 $s .= "\n</select>\n";
 304
 305                 return $this->parent->label( $label, $name, $s );
 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' .
 685                                         $this->getVar( 'wgScriptExtension' )
 686                                 )->plain(), 'tick-32.png'
 687                         )
 688                 );
 689                 $this->parent->restoreLinkPopups();
 690                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 691         }
 692
 693 }
 694
 695 class WebInstallerDBSettings extends WebInstallerPage {
 696
 697         /**
 698          * @return string|null
 699          */
 700         public function execute() {
 701                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 702
 703                 $r = $this->parent->request;
 704                 if ( $r->wasPosted() ) {
 705                         $status = $installer->submitSettingsForm();
 706                         if ( $status === false ) {
 707                                 return 'skip';
 708                         } elseif ( $status->isGood() ) {
 709                                 return 'continue';
 710                         } else {
 711                                 $this->parent->showStatusBox( $status );
 712                         }
 713                 }
 714
 715                 $form = $installer->getSettingsForm();
 716                 if ( $form === false ) {
 717                         return 'skip';
 718                 }
 719
 720                 $this->startForm();
 721                 $this->addHTML( $form );
 722                 $this->endForm();
 723
 724                 return null;
 725         }
 726
 727 }
 728
 729 class WebInstallerName extends WebInstallerPage {
 730
 731         /**
 732          * @return string
 733          */
 734         public function execute() {
 735                 $r = $this->parent->request;
 736                 if ( $r->wasPosted() ) {
 737                         if ( $this->submit() ) {
 738                                 return 'continue';
 739                         }
 740                 }
 741
 742                 $this->startForm();
 743
 744                 // Encourage people to not name their site 'MediaWiki' by blanking the
 745                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 746                 // but these two always were the same so had the effect of making the
 747                 // installer forget $wgSitename when navigating back to this page.
 748                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 749                         $this->setVar( 'wgSitename', '' );
 750                 }
 751
 752                 // Set wgMetaNamespace to something valid before we show the form.
 753                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 754                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 755                 $this->setVar(
 756                         'wgMetaNamespace',
 757                         wfMessage( 'config-ns-other-default' )->inContentLanguage()->text()
 758                 );
 759
 760                 $this->addHTML(
 761                         $this->parent->getTextBox( array(
 762                                 'var' => 'wgSitename',
 763                                 'label' => 'config-site-name',
 764                                 'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 765                         ) ) .
 766                         // getRadioSet() builds a set of labeled radio buttons.
 767                         // For grep: The following messages are used as the item labels:
 768                         // config-ns-site-name, config-ns-generic, config-ns-other
 769                         $this->parent->getRadioSet( array(
 770                                 'var' => '_NamespaceType',
 771                                 'label' => 'config-project-namespace',
 772                                 'itemLabelPrefix' => 'config-ns-',
 773                                 'values' => array( 'site-name', 'generic', 'other' ),
 774                                 'commonAttribs' => array( 'class' => 'enableForOther',
 775                                         'rel' => 'config_wgMetaNamespace' ),
 776                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 777                         ) ) .
 778                         $this->parent->getTextBox( array(
 779                                 'var' => 'wgMetaNamespace',
 780                                 'label' => '', // @todo Needs a label?
 781                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' )
 782                         ) ) .
 783                         $this->getFieldSetStart( 'config-admin-box' ) .
 784                         $this->parent->getTextBox( array(
 785                                 'var' => '_AdminName',
 786                                 'label' => 'config-admin-name',
 787                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 788                         ) ) .
 789                         $this->parent->getPasswordBox( array(
 790                                 'var' => '_AdminPassword',
 791                                 'label' => 'config-admin-password',
 792                         ) ) .
 793                         $this->parent->getPasswordBox( array(
 794                                 'var' => '_AdminPasswordConfirm',
 795                                 'label' => 'config-admin-password-confirm'
 796                         ) ) .
 797                         $this->parent->getTextBox( array(
 798                                 'var' => '_AdminEmail',
 799                                 'label' => 'config-admin-email',
 800                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 801                         ) ) .
 802                         $this->parent->getCheckBox( array(
 803                                 'var' => '_Subscribe',
 804                                 'label' => 'config-subscribe',
 805                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 806                         ) ) .
 807                         $this->getFieldSetEnd() .
 808                         $this->parent->getInfoBox( wfMessage( 'config-almost-done' )->text() ) .
 809                         // getRadioSet() builds a set of labeled radio buttons.
 810                         // For grep: The following messages are used as the item labels:
 811                         // config-optional-continue, config-optional-skip
 812                         $this->parent->getRadioSet( array(
 813                                 'var' => '_SkipOptional',
 814                                 'itemLabelPrefix' => 'config-optional-',
 815                                 'values' => array( 'continue', 'skip' )
 816                         ) )
 817                 );
 818
 819                 // Restore the default value
 820                 $this->setVar( 'wgMetaNamespace', $metaNS );
 821
 822                 $this->endForm();
 823
 824                 return 'output';
 825         }
 826
 827         /**
 828          * @return bool
 829          */
 830         public function submit() {
 831                 $retVal = true;
 832                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 833                         '_AdminName', '_AdminPassword', '_AdminPasswordConfirm', '_AdminEmail',
 834                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 835
 836                 // Validate site name
 837                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 838                         $this->parent->showError( 'config-site-name-blank' );
 839                         $retVal = false;
 840                 }
 841
 842                 // Fetch namespace
 843                 $nsType = $this->getVar( '_NamespaceType' );
 844                 if ( $nsType == 'site-name' ) {
 845                         $name = $this->getVar( 'wgSitename' );
 846                         // Sanitize for namespace
 847                         // This algorithm should match the JS one in WebInstallerOutput.php
 848                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 849                         $name = str_replace( '&', '&amp;', $name );
 850                         $name = preg_replace( '/__+/', '_', $name );
 851                         $name = ucfirst( trim( $name, '_' ) );
 852                 } elseif ( $nsType == 'generic' ) {
 853                         $name = wfMessage( 'config-ns-generic' )->text();
 854                 } else { // other
 855                         $name = $this->getVar( 'wgMetaNamespace' );
 856                 }
 857
 858                 // Validate namespace
 859                 if ( strpos( $name, ':' ) !== false ) {
 860                         $good = false;
 861                 } else {
 862                         // Title-style validation
 863                         $title = Title::newFromText( $name );
 864                         if ( !$title ) {
 865                                 $good = $nsType == 'site-name';
 866                         } else {
 867                                 $name = $title->getDBkey();
 868                                 $good = true;
 869                         }
 870                 }
 871                 if ( !$good ) {
 872                         $this->parent->showError( 'config-ns-invalid', $name );
 873                         $retVal = false;
 874                 }
 875
 876                 // Make sure it won't conflict with any existing namespaces
 877                 global $wgContLang;
 878                 $nsIndex = $wgContLang->getNsIndex( $name );
 879                 if ( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 880                         $this->parent->showError( 'config-ns-conflict', $name );
 881                         $retVal = false;
 882                 }
 883
 884                 $this->setVar( 'wgMetaNamespace', $name );
 885
 886                 // Validate username for creation
 887                 $name = $this->getVar( '_AdminName' );
 888                 if ( strval( $name ) === '' ) {
 889                         $this->parent->showError( 'config-admin-name-blank' );
 890                         $cname = $name;
 891                         $retVal = false;
 892                 } else {
 893                         $cname = User::getCanonicalName( $name, 'creatable' );
 894                         if ( $cname === false ) {
 895                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 896                                 $retVal = false;
 897                         } else {
 898                                 $this->setVar( '_AdminName', $cname );
 899                         }
 900                 }
 901
 902                 // Validate password
 903                 $msg = false;
 904                 $pwd = $this->getVar( '_AdminPassword' );
 905                 $user = User::newFromName( $cname );
 906                 if ( $user ) {
 907                         $valid = $user->getPasswordValidity( $pwd );
 908                 } else {
 909                         $valid = 'config-admin-name-invalid';
 910                 }
 911                 if ( strval( $pwd ) === '' ) {
 912                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 913                         # This message is more specific and helpful.
 914                         $msg = 'config-admin-password-blank';
 915                 } elseif ( $pwd !== $this->getVar( '_AdminPasswordConfirm' ) ) {
 916                         $msg = 'config-admin-password-mismatch';
 917                 } elseif ( $valid !== true ) {
 918                         $msg = $valid;
 919                 }
 920                 if ( $msg !== false ) {
 921                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 922                         $this->setVar( '_AdminPassword', '' );
 923                         $this->setVar( '_AdminPasswordConfirm', '' );
 924                         $retVal = false;
 925                 }
 926
 927                 // Validate e-mail if provided
 928                 $email = $this->getVar( '_AdminEmail' );
 929                 if ( $email && !Sanitizer::validateEmail( $email ) ) {
 930                         $this->parent->showError( 'config-admin-error-bademail' );
 931                         $retVal = false;
 932                 }
 933                 // If they asked to subscribe to mediawiki-announce but didn't give
 934                 // an e-mail, show an error. Bug 29332
 935                 if ( !$email && $this->getVar( '_Subscribe' ) ) {
 936                         $this->parent->showError( 'config-subscribe-noemail' );
 937                         $retVal = false;
 938                 }
 939
 940                 return $retVal;
 941         }
 942
 943 }
 944
 945 class WebInstallerOptions extends WebInstallerPage {
 946
 947         /**
 948          * @return string|null
 949          */
 950         public function execute() {
 951                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 952                         $this->submitSkins();
 953                         return 'skip';
 954                 }
 955                 if ( $this->parent->request->wasPosted() ) {
 956                         if ( $this->submit() ) {
 957                                 return 'continue';
 958                         }
 959                 }
 960
 961                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 962                 $this->startForm();
 963                 $this->addHTML(
 964                         # User Rights
 965                         // getRadioSet() builds a set of labeled radio buttons.
 966                         // For grep: The following messages are used as the item labels:
 967                         // config-profile-wiki, config-profile-no-anon, config-profile-fishbowl, config-profile-private
 968                         $this->parent->getRadioSet( array(
 969                                 'var' => '_RightsProfile',
 970                                 'label' => 'config-profile',
 971                                 'itemLabelPrefix' => 'config-profile-',
 972                                 'values' => array_keys( $this->parent->rightsProfiles ),
 973                         ) ) .
 974                         $this->parent->getInfoBox( wfMessage( 'config-profile-help' )->plain() ) .
 975
 976                         # Licensing
 977                         // getRadioSet() builds a set of labeled radio buttons.
 978                         // For grep: The following messages are used as the item labels:
 979                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
 980                         // config-license-cc-0, config-license-pd, config-license-gfdl,
 981                         // config-license-none, config-license-cc-choose
 982                         $this->parent->getRadioSet( array(
 983                                 'var' => '_LicenseCode',
 984                                 'label' => 'config-license',
 985                                 'itemLabelPrefix' => 'config-license-',
 986                                 'values' => array_keys( $this->parent->licenses ),
 987                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 988                         ) ) .
 989                         $this->getCCChooser() .
 990                         $this->parent->getHelpBox( 'config-license-help' ) .
 991
 992                         # E-mail
 993                         $this->getFieldSetStart( 'config-email-settings' ) .
 994                         $this->parent->getCheckBox( array(
 995                                 'var' => 'wgEnableEmail',
 996                                 'label' => 'config-enable-email',
 997                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 998                         ) ) .
 999                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
1000                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
1001                         $this->parent->getTextBox( array(
1002                                 'var' => 'wgPasswordSender',
1003                                 'label' => 'config-email-sender'
1004                         ) ) .
1005                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
1006                         $this->parent->getCheckBox( array(
1007                                 'var' => 'wgEnableUserEmail',
1008                                 'label' => 'config-email-user',
1009                         ) ) .
1010                         $this->parent->getHelpBox( 'config-email-user-help' ) .
1011                         $this->parent->getCheckBox( array(
1012                                 'var' => 'wgEnotifUserTalk',
1013                                 'label' => 'config-email-usertalk',
1014                         ) ) .
1015                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
1016                         $this->parent->getCheckBox( array(
1017                                 'var' => 'wgEnotifWatchlist',
1018                                 'label' => 'config-email-watchlist',
1019                         ) ) .
1020                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
1021                         $this->parent->getCheckBox( array(
1022                                 'var' => 'wgEmailAuthentication',
1023                                 'label' => 'config-email-auth',
1024                         ) ) .
1025                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
1026                         "</div>" .
1027                         $this->getFieldSetEnd()
1028                 );
1029
1030                 $skins = $this->parent->findExtensions( 'skins' );
1031                 $skinHtml = $this->getFieldSetStart( 'config-skins' );
1032
1033                 if ( $skins ) {
1034                         $skinNames = array_map( 'strtolower', $skins );
1035
1036                         $radioButtons = $this->parent->getRadioElements( array(
1037                                 'var' => 'wgDefaultSkin',
1038                                 'itemLabels' => array_fill_keys( $skinNames, 'config-skins-use-as-default' ),
1039                                 'values' => $skinNames,
1040                                 'value' => $this->getVar( 'wgDefaultSkin', $this->parent->getDefaultSkin( $skinNames ) ),
1041                         ) );
1042
1043                         foreach ( $skins as $skin ) {
1044                                 $skinHtml .=
1045                                         '<div class="config-skins-item">' .
1046                                         $this->parent->getCheckBox( array(
1047                                                 'var' => "skin-$skin",
1048                                                 'rawtext' => $skin,
1049                                                 'value' => $this->getVar( "skin-$skin", true ), // all found skins enabled by default
1050                                         ) ) .
1051                                         '<div class="config-skins-use-as-default">' . $radioButtons[strtolower( $skin )] . '</div>' .
1052                                         '</div>';
1053                         }
1054                 } else {
1055                         $skinHtml .= $this->parent->getWarningBox( wfMessage( 'config-skins-missing' )->plain() );
1056                 }
1057
1058                 $skinHtml .= $this->parent->getHelpBox( 'config-skins-help' ) .
1059                         $this->getFieldSetEnd();
1060                 $this->addHTML( $skinHtml );
1061
1062                 $extensions = $this->parent->findExtensions();
1063
1064                 if ( $extensions ) {
1065                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
1066
1067                         foreach ( $extensions as $ext ) {
1068                                 $extHtml .= $this->parent->getCheckBox( array(
1069                                         'var' => "ext-$ext",
1070                                         'rawtext' => $ext,
1071                                 ) );
1072                         }
1073
1074                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
1075                                 $this->getFieldSetEnd();
1076                         $this->addHTML( $extHtml );
1077                 }
1078
1079                 // Having / in paths in Windows looks funny :)
1080                 $this->setVar( 'wgDeletedDirectory',
1081                         str_replace(
1082                                 '/', DIRECTORY_SEPARATOR,
1083                                 $this->getVar( 'wgDeletedDirectory' )
1084                         )
1085                 );
1086
1087                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
1088                 $this->addHTML(
1089                         # Uploading
1090                         $this->getFieldSetStart( 'config-upload-settings' ) .
1091                         $this->parent->getCheckBox( array(
1092                                 'var' => 'wgEnableUploads',
1093                                 'label' => 'config-upload-enable',
1094                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
1095                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
1096                         ) ) .
1097                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
1098                         $this->parent->getTextBox( array(
1099                                 'var' => 'wgDeletedDirectory',
1100                                 'label' => 'config-upload-deleted',
1101                                 'attribs' => array( 'dir' => 'ltr' ),
1102                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
1103                         ) ) .
1104                         '</div>' .
1105                         $this->parent->getTextBox( array(
1106                                 'var' => 'wgLogo',
1107                                 'label' => 'config-logo',
1108                                 'attribs' => array( 'dir' => 'ltr' ),
1109                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
1110                         ) )
1111                 );
1112                 $this->addHTML(
1113                         $this->parent->getCheckBox( array(
1114                                 'var' => 'wgUseInstantCommons',
1115                                 'label' => 'config-instantcommons',
1116                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
1117                         ) ) .
1118                         $this->getFieldSetEnd()
1119                 );
1120
1121                 $caches = array( 'none' );
1122                 if ( count( $this->getVar( '_Caches' ) ) ) {
1123                         $caches[] = 'accel';
1124                 }
1125                 $caches[] = 'memcached';
1126
1127                 // We'll hide/show this on demand when the value changes, see config.js.
1128                 $cacheval = $this->getVar( 'wgMainCacheType' );
1129                 if ( !$cacheval ) {
1130                         // We need to set a default here; but don't hardcode it
1131                         // or we lose it every time we reload the page for validation
1132                         // or going back!
1133                         $cacheval = 'none';
1134                 }
1135                 $hidden = ( $cacheval == 'memcached' ) ? '' : 'display: none';
1136                 $this->addHTML(
1137                         # Advanced settings
1138                         $this->getFieldSetStart( 'config-advanced-settings' ) .
1139                         # Object cache settings
1140                         // getRadioSet() builds a set of labeled radio buttons.
1141                         // For grep: The following messages are used as the item labels:
1142                         // config-cache-none, config-cache-accel, config-cache-memcached
1143                         $this->parent->getRadioSet( array(
1144                                 'var' => 'wgMainCacheType',
1145                                 'label' => 'config-cache-options',
1146                                 'itemLabelPrefix' => 'config-cache-',
1147                                 'values' => $caches,
1148                                 'value' => $cacheval,
1149                         ) ) .
1150                         $this->parent->getHelpBox( 'config-cache-help' ) .
1151                         "<div id=\"config-memcachewrapper\" style=\"$hidden\">" .
1152                         $this->parent->getTextArea( array(
1153                                 'var' => '_MemCachedServers',
1154                                 'label' => 'config-memcached-servers',
1155                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
1156                         ) ) .
1157                         '</div>' .
1158                         $this->getFieldSetEnd()
1159                 );
1160                 $this->endForm();
1161
1162                 return null;
1163         }
1164
1165         /**
1166          * @return string
1167          */
1168         public function getCCPartnerUrl() {
1169                 $server = $this->getVar( 'wgServer' );
1170                 $exitUrl = $server . $this->parent->getUrl( array(
1171                         'page' => 'Options',
1172                         'SubmitCC' => 'indeed',
1173                         'config__LicenseCode' => 'cc',
1174                         'config_wgRightsUrl' => '[license_url]',
1175                         'config_wgRightsText' => '[license_name]',
1176                         'config_wgRightsIcon' => '[license_button]',
1177                 ) );
1178                 $styleUrl = $server . dirname( dirname( $this->parent->getUrl() ) ) .
1179                         '/mw-config/config-cc.css';
1180                 $iframeUrl = 'http://creativecommons.org/license/?' .
1181                         wfArrayToCgi( array(
1182                                 'partner' => 'MediaWiki',
1183                                 'exit_url' => $exitUrl,
1184                                 'lang' => $this->getVar( '_UserLang' ),
1185                                 'stylesheet' => $styleUrl,
1186                         ) );
1187
1188                 return $iframeUrl;
1189         }
1190
1191         /**
1192          * @return string
1193          */
1194         public function getCCChooser() {
1195                 $iframeAttribs = array(
1196                         'class' => 'config-cc-iframe',
1197                         'name' => 'config-cc-iframe',
1198                         'id' => 'config-cc-iframe',
1199                         'frameborder' => 0,
1200                         'width' => '100%',
1201                         'height' => '100%',
1202                 );
1203                 if ( $this->getVar( '_CCDone' ) ) {
1204                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
1205                 } else {
1206                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
1207                 }
1208                 $wrapperStyle = ( $this->getVar( '_LicenseCode' ) == 'cc-choose' ) ? '' : 'display: none';
1209
1210                 return "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
1211                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
1212                         "</div>\n";
1213         }
1214
1215         /**
1216          * @return string
1217          */
1218         public function getCCDoneBox() {
1219                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
1220                 // If you change this height, also change it in config.css
1221                 $expandJs = str_replace( '$1', '54em', $js );
1222                 $reduceJs = str_replace( '$1', '70px', $js );
1223
1224                 return '<p>' .
1225                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
1226                         '&#160;&#160;' .
1227                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
1228                         "</p>\n" .
1229                         "<p style=\"text-align: center;\">" .
1230                         Html::element( 'a',
1231                                 array(
1232                                         'href' => $this->getCCPartnerUrl(),
1233                                         'onclick' => $expandJs,
1234                                 ),
1235                                 wfMessage( 'config-cc-again' )->text()
1236                         ) .
1237                         "</p>\n" .
1238                         "<script>\n" .
1239                         # Reduce the wrapper div height
1240                         htmlspecialchars( $reduceJs ) .
1241                         "\n" .
1242                         "</script>\n";
1243         }
1244
1245         public function submitCC() {
1246                 $newValues = $this->parent->setVarsFromRequest(
1247                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
1248                 if ( count( $newValues ) != 3 ) {
1249                         $this->parent->showError( 'config-cc-error' );
1250
1251                         return;
1252                 }
1253                 $this->setVar( '_CCDone', true );
1254                 $this->addHTML( $this->getCCDoneBox() );
1255         }
1256
1257         /**
1258          * If the user skips this installer page, we still need to set up the default skins, but ignore
1259          * everything else.
1260          *
1261          * @return bool
1262          */
1263         public function submitSkins() {
1264                 $skins = $this->parent->findExtensions( 'skins' );
1265                 $this->parent->setVar( '_Skins', $skins );
1266
1267                 if ( $skins ) {
1268                         $skinNames = array_map( 'strtolower', $skins );
1269                         $this->parent->setVar( 'wgDefaultSkin', $this->parent->getDefaultSkin( $skinNames ) );
1270                 }
1271
1272                 return true;
1273         }
1274
1275         /**
1276          * @return bool
1277          */
1278         public function submit() {
1279                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1280                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1281                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1282                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1283                         'wgUseInstantCommons', 'wgDefaultSkin' ) );
1284
1285                 $retVal = true;
1286
1287                 if ( !array_key_exists( $this->getVar( '_RightsProfile' ), $this->parent->rightsProfiles )
1288                 ) {
1289                         reset( $this->parent->rightsProfiles );
1290                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1291                 }
1292
1293                 $code = $this->getVar( '_LicenseCode' );
1294                 if ( $code == 'cc-choose' ) {
1295                         if ( !$this->getVar( '_CCDone' ) ) {
1296                                 $this->parent->showError( 'config-cc-not-chosen' );
1297                                 $retVal = false;
1298                         }
1299                 } elseif ( array_key_exists( $code, $this->parent->licenses ) ) {
1300                         // Messages:
1301                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
1302                         // config-license-cc-0, config-license-pd, config-license-gfdl, config-license-none,
1303                         // config-license-cc-choose
1304                         $entry = $this->parent->licenses[$code];
1305                         if ( isset( $entry['text'] ) ) {
1306                                 $this->setVar( 'wgRightsText', $entry['text'] );
1307                         } else {
1308                                 $this->setVar( 'wgRightsText', wfMessage( 'config-license-' . $code )->text() );
1309                         }
1310                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1311                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1312                 } else {
1313                         $this->setVar( 'wgRightsText', '' );
1314                         $this->setVar( 'wgRightsUrl', '' );
1315                         $this->setVar( 'wgRightsIcon', '' );
1316                 }
1317
1318                 $skinsAvailable = $this->parent->findExtensions( 'skins' );
1319                 $skinsToInstall = array();
1320                 foreach ( $skinsAvailable as $skin ) {
1321                         $this->parent->setVarsFromRequest( array( "skin-$skin" ) );
1322                         if ( $this->getVar( "skin-$skin" ) ) {
1323                                 $skinsToInstall[] = $skin;
1324                         }
1325                 }
1326                 $this->parent->setVar( '_Skins', $skinsToInstall );
1327
1328                 if ( !$skinsToInstall && $skinsAvailable ) {
1329                         $this->parent->showError( 'config-skins-must-enable-some' );
1330                         $retVal = false;
1331                 }
1332                 $defaultSkin = $this->getVar( 'wgDefaultSkin' );
1333                 $skinsToInstallLowercase = array_map( 'strtolower', $skinsToInstall );
1334                 if ( $skinsToInstall && array_search( $defaultSkin, $skinsToInstallLowercase ) === false ) {
1335                         $this->parent->showError( 'config-skins-must-enable-default' );
1336                         $retVal = false;
1337                 }
1338
1339                 $extsAvailable = $this->parent->findExtensions();
1340                 $extsToInstall = array();
1341                 foreach ( $extsAvailable as $ext ) {
1342                         $this->parent->setVarsFromRequest( array( "ext-$ext" ) );
1343                         if ( $this->getVar( "ext-$ext" ) ) {
1344                                 $extsToInstall[] = $ext;
1345                         }
1346                 }
1347                 $this->parent->setVar( '_Extensions', $extsToInstall );
1348
1349                 if ( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
1350                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1351                         if ( !$memcServers ) {
1352                                 $this->parent->showError( 'config-memcache-needservers' );
1353                                 $retVal = false;
1354                         }
1355
1356                         foreach ( $memcServers as $server ) {
1357                                 $memcParts = explode( ":", $server, 2 );
1358                                 if ( !isset( $memcParts[0] )
1359                                         || ( !IP::isValid( $memcParts[0] )
1360                                                 && ( gethostbyname( $memcParts[0] ) == $memcParts[0] ) )
1361                                 ) {
1362                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1363                                         $retVal = false;
1364                                 } elseif ( !isset( $memcParts[1] ) ) {
1365                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1366                                         $retVal = false;
1367                                 } elseif ( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1368                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1369                                         $retVal = false;
1370                                 }
1371                         }
1372                 }
1373
1374                 return $retVal;
1375         }
1376
1377 }
1378
1379 class WebInstallerInstall extends WebInstallerPage {
1380
1381         /**
1382          * @return bool Always true.
1383          */
1384         public function isSlow() {
1385                 return true;
1386         }
1387
1388         /**
1389          * @return string|bool
1390          */
1391         public function execute() {
1392                 if ( $this->getVar( '_UpgradeDone' ) ) {
1393                         return 'skip';
1394                 } elseif ( $this->getVar( '_InstallDone' ) ) {
1395                         return 'continue';
1396                 } elseif ( $this->parent->request->wasPosted() ) {
1397                         $this->startForm();
1398                         $this->addHTML( "<ul>" );
1399                         $results = $this->parent->performInstallation(
1400                                 array( $this, 'startStage' ),
1401                                 array( $this, 'endStage' )
1402                         );
1403                         $this->addHTML( "</ul>" );
1404                         // PerformInstallation bails on a fatal, so make sure the last item
1405                         // completed before giving 'next.' Likewise, only provide back on failure
1406                         $lastStep = end( $results );
1407                         $continue = $lastStep->isOK() ? 'continue' : false;
1408                         $back = $lastStep->isOK() ? false : 'back';
1409                         $this->endForm( $continue, $back );
1410                 } else {
1411                         $this->startForm();
1412                         $this->addHTML( $this->parent->getInfoBox( wfMessage( 'config-install-begin' )->plain() ) );
1413                         $this->endForm();
1414                 }
1415
1416                 return true;
1417         }
1418
1419         /**
1420          * @param string $step
1421          */
1422         public function startStage( $step ) {
1423                 // Messages: config-install-database, config-install-tables, config-install-interwiki,
1424                 // config-install-stats, config-install-keys, config-install-sysop, config-install-mainpage
1425                 $this->addHTML( "<li>" . wfMessage( "config-install-$step" )->escaped() .
1426                         wfMessage( 'ellipsis' )->escaped() );
1427
1428                 if ( $step == 'extension-tables' ) {
1429                         $this->startLiveBox();
1430                 }
1431         }
1432
1433         /**
1434          * @param string $step
1435          * @param Status $status
1436          */
1437         public function endStage( $step, $status ) {
1438                 if ( $step == 'extension-tables' ) {
1439                         $this->endLiveBox();
1440                 }
1441                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1442                 $html = wfMessage( 'word-separator' )->escaped() . wfMessage( $msg )->escaped();
1443                 if ( !$status->isOk() ) {
1444                         $html = "<span class=\"error\">$html</span>";
1445                 }
1446                 $this->addHTML( $html . "</li>\n" );
1447                 if ( !$status->isGood() ) {
1448                         $this->parent->showStatusBox( $status );
1449                 }
1450         }
1451
1452 }
1453
1454 class WebInstallerComplete extends WebInstallerPage {
1455
1456         public function execute() {
1457                 // Pop up a dialog box, to make it difficult for the user to forget
1458                 // to download the file
1459                 $lsUrl = $this->getVar( 'wgServer' ) . $this->parent->getURL( array( 'localsettings' => 1 ) );
1460                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) &&
1461                         strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false
1462                 ) {
1463                         // JS appears to be the only method that works consistently with IE7+
1464                         $this->addHtml( "\n<script>jQuery( function () { document.location = " .
1465                                 Xml::encodeJsVar( $lsUrl ) . "; } );</script>\n" );
1466                 } else {
1467                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1468                 }
1469
1470                 $this->startForm();
1471                 $this->parent->disableLinkPopups();
1472                 $this->addHTML(
1473                         $this->parent->getInfoBox(
1474                                 wfMessage( 'config-install-done',
1475                                         $lsUrl,
1476                                         $this->getVar( 'wgServer' ) .
1477                                         $this->getVar( 'wgScriptPath' ) . '/index' .
1478                                         $this->getVar( 'wgScriptExtension' ),
1479                                         '<downloadlink/>'
1480                                 )->plain(), 'tick-32.png'
1481                         )
1482                 );
1483                 $this->addHTML( $this->parent->getInfoBox(
1484                         wfMessage( 'config-extension-link' )->text() ) );
1485
1486                 $this->parent->restoreLinkPopups();
1487                 $this->endForm( false, false );
1488         }
1489
1490 }
1491
1492 class WebInstallerRestart extends WebInstallerPage {
1493
1494         /**
1495          * @return string|null
1496          */
1497         public function execute() {
1498                 $r = $this->parent->request;
1499                 if ( $r->wasPosted() ) {
1500                         $really = $r->getVal( 'submit-restart' );
1501                         if ( $really ) {
1502                                 $this->parent->reset();
1503                         }
1504
1505                         return 'continue';
1506                 }
1507
1508                 $this->startForm();
1509                 $s = $this->parent->getWarningBox( wfMessage( 'config-help-restart' )->plain() );
1510                 $this->addHTML( $s );
1511                 $this->endForm( 'restart' );
1512
1513                 return null;
1514         }
1515
1516 }
1517
1518 abstract class WebInstallerDocument extends WebInstallerPage {
1519
1520         /**
1521          * @return string
1522          */
1523         abstract protected function getFileName();
1524
1525         public function execute() {
1526                 $text = $this->getFileContents();
1527                 $text = InstallDocFormatter::format( $text );
1528                 $this->parent->output->addWikiText( $text );
1529                 $this->startForm();
1530                 $this->endForm( false );
1531         }
1532
1533         /**
1534          * @return string
1535          */
1536         public function getFileContents() {
1537                 $file = __DIR__ . '/../../' . $this->getFileName();
1538                 if ( !file_exists( $file ) ) {
1539                         return wfMessage( 'config-nofile', $file )->plain();
1540                 }
1541
1542                 return file_get_contents( $file );
1543         }
1544
1545 }
1546
1547 class WebInstallerReadme extends WebInstallerDocument {
1548
1549         /**
1550          * @return string
1551          */
1552         protected function getFileName() {
1553                 return 'README';
1554         }
1555
1556 }
1557
1558 class WebInstallerReleaseNotes extends WebInstallerDocument {
1559
1560         /**
1561          * @throws MWException
1562          * @return string
1563          */
1564         protected function getFileName() {
1565                 global $wgVersion;
1566
1567                 if ( !preg_match( '/^(\d+)\.(\d+).*/i', $wgVersion, $result ) ) {
1568                         throw new MWException( 'Variable $wgVersion has an invalid value.' );
1569                 }
1570
1571                 return 'RELEASE-NOTES-' . $result[1] . '.' . $result[2];
1572         }
1573
1574 }
1575
1576 class WebInstallerUpgradeDoc extends WebInstallerDocument {
1577
1578         /**
1579          * @return string
1580          */
1581         protected function getFileName() {
1582                 return 'UPGRADE';
1583         }
1584
1585 }
1586
1587 class WebInstallerCopying extends WebInstallerDocument {
1588
1589         /**
1590          * @return string
1591          */
1592         protected function getFileName() {
1593                 return 'COPYING';
1594         }
1595
1596 }