includes/installer/WebInstallerPage.php

   1 <?php
   2 /**
   3  * Base code for web installer pages.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Deployment
  22  */
  23
  24 /**
  25  * Abstract class to define pages for the web installer.
  26  *
  27  * @ingroup Deployment
  28  * @since 1.17
  29  */
  30 abstract class WebInstallerPage {
  31
  32         /**
  33          * The WebInstaller object this WebInstallerPage belongs to.
  34          *
  35          * @var WebInstaller
  36          */
  37         public $parent;
  38
  39         abstract public function execute();
  40
  41         /**
  42          * Constructor.
  43          *
  44          * @param $parent WebInstaller
  45          */
  46         public function __construct( WebInstaller $parent ) {
  47                 $this->parent = $parent;
  48         }
  49
  50         /**
  51          * Is this a slow-running page in the installer? If so, WebInstaller will
  52          * set_time_limit(0) before calling execute(). Right now this only applies
  53          * to Install and Upgrade pages
  54          * @return bool
  55          */
  56         public function isSlow() {
  57                 return false;
  58         }
  59
  60         public function addHTML( $html ) {
  61                 $this->parent->output->addHTML( $html );
  62         }
  63
  64         public function startForm() {
  65                 $this->addHTML(
  66                         "<div class=\"config-section\">\n" .
  67                         Html::openElement(
  68                                 'form',
  69                                 array(
  70                                         'method' => 'post',
  71                                         'action' => $this->parent->getUrl( array( 'page' => $this->getName() ) )
  72                                 )
  73                         ) . "\n"
  74                 );
  75         }
  76
  77         /**
  78          * @param string|bool $continue
  79          * @param string|bool $back
  80          */
  81         public function endForm( $continue = 'continue', $back = 'back' ) {
  82                 $s = "<div class=\"config-submit\">\n";
  83                 $id = $this->getId();
  84
  85                 if ( $id === false ) {
  86                         $s .= Html::hidden( 'lastPage', $this->parent->request->getVal( 'lastPage' ) );
  87                 }
  88
  89                 if ( $continue ) {
  90                         // Fake submit button for enter keypress (bug 26267)
  91                         // Messages: config-continue, config-restart, config-regenerate
  92                         $s .= Xml::submitButton(
  93                                 wfMessage( "config-$continue" )->text(),
  94                                 array(
  95                                         'name' => "enter-$continue",
  96                                         'style' => 'visibility:hidden;overflow:hidden;width:1px;margin:0'
  97                                 )
  98                         ) . "\n";
  99                 }
 100
 101                 if ( $back ) {
 102                         // Message: config-back
 103                         $s .= Xml::submitButton(
 104                                 wfMessage( "config-$back" )->text(),
 105                                 array(
 106                                         'name' => "submit-$back",
 107                                         'tabindex' => $this->parent->nextTabIndex()
 108                                 )
 109                         ) . "\n";
 110                 }
 111
 112                 if ( $continue ) {
 113                         // Messages: config-continue, config-restart, config-regenerate
 114                         $s .= Xml::submitButton(
 115                                 wfMessage( "config-$continue" )->text(),
 116                                 array(
 117                                         'name' => "submit-$continue",
 118                                         'tabindex' => $this->parent->nextTabIndex(),
 119                                 )
 120                         ) . "\n";
 121                 }
 122
 123                 $s .= "</div></form></div>\n";
 124                 $this->addHTML( $s );
 125         }
 126
 127         public function getName() {
 128                 return str_replace( 'WebInstaller_', '', get_class( $this ) );
 129         }
 130
 131         protected function getId() {
 132                 return array_search( $this->getName(), $this->parent->pageSequence );
 133         }
 134
 135         public function getVar( $var ) {
 136                 return $this->parent->getVar( $var );
 137         }
 138
 139         public function setVar( $name, $value ) {
 140                 $this->parent->setVar( $name, $value );
 141         }
 142
 143         /**
 144          * Get the starting tags of a fieldset.
 145          *
 146          * @param string $legend message name
 147          *
 148          * @return string
 149          */
 150         protected function getFieldsetStart( $legend ) {
 151                 return "\n<fieldset><legend>" . wfMessage( $legend )->escaped() . "</legend>\n";
 152         }
 153
 154         /**
 155          * Get the end tag of a fieldset.
 156          *
 157          * @return string
 158          */
 159         protected function getFieldsetEnd() {
 160                 return "</fieldset>\n";
 161         }
 162
 163         /**
 164          * Opens a textarea used to display the progress of a long operation
 165          */
 166         protected function startLiveBox() {
 167                 $this->addHTML(
 168                         '<div id="config-spinner" style="display:none;">' .
 169                         '<img src="../skins/common/images/ajax-loader.gif" /></div>' .
 170                         '<script>jQuery( "#config-spinner" ).show();</script>' .
 171                         '<div id="config-live-log">' .
 172                         '<textarea name="LiveLog" rows="10" cols="30" readonly="readonly">'
 173                 );
 174                 $this->parent->output->flush();
 175         }
 176
 177         /**
 178          * Opposite to startLiveBox()
 179          */
 180         protected function endLiveBox() {
 181                 $this->addHTML( '</textarea></div>
 182 <script>jQuery( "#config-spinner" ).hide()</script>' );
 183                 $this->parent->output->flush();
 184         }
 185 }
 186
 187 class WebInstaller_Language extends WebInstallerPage {
 188         public function execute() {
 189                 global $wgLang;
 190                 $r = $this->parent->request;
 191                 $userLang = $r->getVal( 'uselang' );
 192                 $contLang = $r->getVal( 'ContLang' );
 193
 194                 $languages = Language::fetchLanguageNames();
 195                 $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
 196                 if ( !$lifetime ) {
 197                         $lifetime = 1440; // PHP default
 198                 }
 199
 200                 if ( $r->wasPosted() ) {
 201                         # Do session test
 202                         if ( $this->parent->getSession( 'test' ) === null ) {
 203                                 $requestTime = $r->getVal( 'LanguageRequestTime' );
 204                                 if ( !$requestTime ) {
 205                                         // The most likely explanation is that the user was knocked back
 206                                         // from another page on POST due to session expiry
 207                                         $msg = 'config-session-expired';
 208                                 } elseif ( time() - $requestTime > $lifetime ) {
 209                                         $msg = 'config-session-expired';
 210                                 } else {
 211                                         $msg = 'config-no-session';
 212                                 }
 213                                 $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
 214                         } else {
 215                                 if ( isset( $languages[$userLang] ) ) {
 216                                         $this->setVar( '_UserLang', $userLang );
 217                                 }
 218                                 if ( isset( $languages[$contLang] ) ) {
 219                                         $this->setVar( 'wgLanguageCode', $contLang );
 220                                 }
 221
 222                                 return 'continue';
 223                         }
 224                 } elseif ( $this->parent->showSessionWarning ) {
 225                         # The user was knocked back from another page to the start
 226                         # This probably indicates a session expiry
 227                         $this->parent->showError( 'config-session-expired',
 228                                 $wgLang->formatTimePeriod( $lifetime ) );
 229                 }
 230
 231                 $this->parent->setSession( 'test', true );
 232
 233                 if ( !isset( $languages[$userLang] ) ) {
 234                         $userLang = $this->getVar( '_UserLang', 'en' );
 235                 }
 236                 if ( !isset( $languages[$contLang] ) ) {
 237                         $contLang = $this->getVar( 'wgLanguageCode', 'en' );
 238                 }
 239                 $this->startForm();
 240                 $s = Html::hidden( 'LanguageRequestTime', time() ) .
 241                         $this->getLanguageSelector( 'uselang', 'config-your-language', $userLang,
 242                                 $this->parent->getHelpBox( 'config-your-language-help' ) ) .
 243                         $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang,
 244                                 $this->parent->getHelpBox( 'config-wiki-language-help' ) );
 245                 $this->addHTML( $s );
 246                 $this->endForm( 'continue', false );
 247         }
 248
 249         /**
 250          * Get a "<select>" for selecting languages.
 251          *
 252          * @param $name
 253          * @param $label
 254          * @param $selectedCode
 255          * @param $helpHtml string
 256          * @return string
 257          */
 258         public function getLanguageSelector( $name, $label, $selectedCode, $helpHtml = '' ) {
 259                 global $wgDummyLanguageCodes;
 260
 261                 $s = $helpHtml;
 262
 263                 $s .= Html::openElement( 'select', array( 'id' => $name, 'name' => $name,
 264                                 'tabindex' => $this->parent->nextTabIndex() ) ) . "\n";
 265
 266                 $languages = Language::fetchLanguageNames();
 267                 ksort( $languages );
 268                 foreach ( $languages as $code => $lang ) {
 269                         if ( isset( $wgDummyLanguageCodes[$code] ) ) {
 270                                 continue;
 271                         }
 272                         $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
 273                 }
 274                 $s .= "\n</select>\n";
 275
 276                 return $this->parent->label( $label, $name, $s );
 277         }
 278 }
 279
 280 class WebInstaller_ExistingWiki extends WebInstallerPage {
 281         public function execute() {
 282                 // If there is no LocalSettings.php, continue to the installer welcome page
 283                 $vars = Installer::getExistingLocalSettings();
 284                 if ( !$vars ) {
 285                         return 'skip';
 286                 }
 287
 288                 // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
 289                 if ( $vars['wgUpgradeKey'] !== false
 290                         && $this->getVar( '_UpgradeKeySupplied' )
 291                         && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey']
 292                 ) {
 293                         // It's there, so the user is authorized
 294                         $status = $this->handleExistingUpgrade( $vars );
 295                         if ( $status->isOK() ) {
 296                                 return 'skip';
 297                         } else {
 298                                 $this->startForm();
 299                                 $this->parent->showStatusBox( $status );
 300                                 $this->endForm( 'continue' );
 301
 302                                 return 'output';
 303                         }
 304                 }
 305
 306                 // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
 307                 if ( $vars['wgUpgradeKey'] === false ) {
 308                         if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
 309                                 $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
 310                                 $this->parent->generateKeys();
 311                                 $this->setVar( 'wgSecretKey', $secretKey );
 312                                 $this->setVar( '_UpgradeKeySupplied', true );
 313                         }
 314                         $this->startForm();
 315                         $this->addHTML( $this->parent->getInfoBox(
 316                                 wfMessage( 'config-upgrade-key-missing', "<pre dir=\"ltr\">\$wgUpgradeKey = '" .
 317                                         $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )->plain()
 318                         ) );
 319                         $this->endForm( 'continue' );
 320
 321                         return 'output';
 322                 }
 323
 324                 // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
 325
 326                 $r = $this->parent->request;
 327                 if ( $r->wasPosted() ) {
 328                         $key = $r->getText( 'config_wgUpgradeKey' );
 329                         if ( !$key || $key !== $vars['wgUpgradeKey'] ) {
 330                                 $this->parent->showError( 'config-localsettings-badkey' );
 331                                 $this->showKeyForm();
 332
 333                                 return 'output';
 334                         }
 335                         // Key was OK
 336                         $status = $this->handleExistingUpgrade( $vars );
 337                         if ( $status->isOK() ) {
 338                                 return 'continue';
 339                         } else {
 340                                 $this->parent->showStatusBox( $status );
 341                                 $this->showKeyForm();
 342
 343                                 return 'output';
 344                         }
 345                 } else {
 346                         $this->showKeyForm();
 347
 348                         return 'output';
 349                 }
 350         }
 351
 352         /**
 353          * Show the "enter key" form
 354          */
 355         protected function showKeyForm() {
 356                 $this->startForm();
 357                 $this->addHTML(
 358                         $this->parent->getInfoBox( wfMessage( 'config-localsettings-upgrade' )->plain() ) .
 359                         '<br />' .
 360                         $this->parent->getTextBox( array(
 361                                 'var' => 'wgUpgradeKey',
 362                                 'label' => 'config-localsettings-key',
 363                                 'attribs' => array( 'autocomplete' => 'off' ),
 364                         ) )
 365                 );
 366                 $this->endForm( 'continue' );
 367         }
 368
 369         protected function importVariables( $names, $vars ) {
 370                 $status = Status::newGood();
 371                 foreach ( $names as $name ) {
 372                         if ( !isset( $vars[$name] ) ) {
 373                                 $status->fatal( 'config-localsettings-incomplete', $name );
 374                         }
 375                         $this->setVar( $name, $vars[$name] );
 376                 }
 377
 378                 return $status;
 379         }
 380
 381         /**
 382          * Initiate an upgrade of the existing database
 383          * @param array $vars Variables from LocalSettings.php and AdminSettings.php
 384          * @return Status
 385          */
 386         protected function handleExistingUpgrade( $vars ) {
 387                 // Check $wgDBtype
 388                 if ( !isset( $vars['wgDBtype'] ) ||
 389                         !in_array( $vars['wgDBtype'], Installer::getDBTypes() )
 390                 ) {
 391                         return Status::newFatal( 'config-localsettings-connection-error', '' );
 392                 }
 393
 394                 // Set the relevant variables from LocalSettings.php
 395                 $requiredVars = array( 'wgDBtype' );
 396                 $status = $this->importVariables( $requiredVars, $vars );
 397                 $installer = $this->parent->getDBInstaller();
 398                 $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
 399                 if ( !$status->isOK() ) {
 400                         return $status;
 401                 }
 402
 403                 if ( isset( $vars['wgDBadminuser'] ) ) {
 404                         $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
 405                 } else {
 406                         $this->setVar( '_InstallUser', $vars['wgDBuser'] );
 407                 }
 408                 if ( isset( $vars['wgDBadminpassword'] ) ) {
 409                         $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
 410                 } else {
 411                         $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
 412                 }
 413
 414                 // Test the database connection
 415                 $status = $installer->getConnection();
 416                 if ( !$status->isOK() ) {
 417                         // Adjust the error message to explain things correctly
 418                         $status->replaceMessage( 'config-connection-error',
 419                                 'config-localsettings-connection-error' );
 420
 421                         return $status;
 422                 }
 423
 424                 // All good
 425                 $this->setVar( '_ExistingDBSettings', true );
 426
 427                 return $status;
 428         }
 429 }
 430
 431 class WebInstaller_Welcome extends WebInstallerPage {
 432
 433         public function execute() {
 434                 if ( $this->parent->request->wasPosted() ) {
 435                         if ( $this->getVar( '_Environment' ) ) {
 436                                 return 'continue';
 437                         }
 438                 }
 439                 $this->parent->output->addWikiText( wfMessage( 'config-welcome' )->plain() );
 440                 $status = $this->parent->doEnvironmentChecks();
 441                 if ( $status->isGood() ) {
 442                         $this->parent->output->addHTML( '<span class="success-message">' .
 443                                 wfMessage( 'config-env-good' )->escaped() . '</span>' );
 444                         $this->parent->output->addWikiText( wfMessage( 'config-copyright',
 445                                 SpecialVersion::getCopyrightAndAuthorList() )->plain() );
 446                         $this->startForm();
 447                         $this->endForm();
 448                 } else {
 449                         $this->parent->showStatusMessage( $status );
 450                 }
 451
 452                 return '';
 453         }
 454 }
 455
 456 class WebInstaller_DBConnect extends WebInstallerPage {
 457         /**
 458          * @return string|void When string, "skip" or "continue"
 459          */
 460         public function execute() {
 461                 if ( $this->getVar( '_ExistingDBSettings' ) ) {
 462                         return 'skip';
 463                 }
 464
 465                 $r = $this->parent->request;
 466                 if ( $r->wasPosted() ) {
 467                         $status = $this->submit();
 468
 469                         if ( $status->isGood() ) {
 470                                 $this->setVar( '_UpgradeDone', false );
 471
 472                                 return 'continue';
 473                         } else {
 474                                 $this->parent->showStatusBox( $status );
 475                         }
 476                 }
 477
 478                 $this->startForm();
 479
 480                 $types = "<ul class=\"config-settings-block\">\n";
 481                 $settings = '';
 482                 $defaultType = $this->getVar( 'wgDBtype' );
 483
 484                 // Messages: config-dbsupport-mysql, config-dbsupport-postgres, config-dbsupport-oracle,
 485                 // config-dbsupport-sqlite
 486                 $dbSupport = '';
 487                 foreach ( Installer::getDBTypes() as $type ) {
 488                         $dbSupport .= wfMessage( "config-dbsupport-$type" )->plain() . "\n";
 489                 }
 490                 $this->addHTML( $this->parent->getInfoBox(
 491                         wfMessage( 'config-support-info', trim( $dbSupport ) )->text() ) );
 492
 493                 // It's possible that the library for the default DB type is not compiled in.
 494                 // In that case, instead select the first supported DB type in the list.
 495                 $compiledDBs = $this->parent->getCompiledDBs();
 496                 if ( !in_array( $defaultType, $compiledDBs ) ) {
 497                         $defaultType = $compiledDBs[0];
 498                 }
 499
 500                 foreach ( $compiledDBs as $type ) {
 501                         $installer = $this->parent->getDBInstaller( $type );
 502                         $types .=
 503                                 '<li>' .
 504                                 Xml::radioLabel(
 505                                         $installer->getReadableName(),
 506                                         'DBType',
 507                                         $type,
 508                                         "DBType_$type",
 509                                         $type == $defaultType,
 510                                         array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
 511                                 ) .
 512                                 "</li>\n";
 513
 514                         // Messages: config-header-mysql, config-header-postgres, config-header-oracle,
 515                         // config-header-sqlite
 516                         $settings .= Html::openElement(
 517                                         'div',
 518                                         array(
 519                                                 'id' => 'DB_wrapper_' . $type,
 520                                                 'class' => 'dbWrapper'
 521                                         )
 522                                 ) .
 523                                 Html::element( 'h3', array(), wfMessage( 'config-header-' . $type )->text() ) .
 524                                 $installer->getConnectForm() .
 525                                 "</div>\n";
 526                 }
 527
 528                 $types .= "</ul><br style=\"clear: left\"/>\n";
 529
 530                 $this->addHTML( $this->parent->label( 'config-db-type', false, $types ) . $settings );
 531                 $this->endForm();
 532         }
 533
 534         public function submit() {
 535                 $r = $this->parent->request;
 536                 $type = $r->getVal( 'DBType' );
 537                 if ( !$type ) {
 538                         return Status::newFatal( 'config-invalid-db-type' );
 539                 }
 540                 $this->setVar( 'wgDBtype', $type );
 541                 $installer = $this->parent->getDBInstaller( $type );
 542                 if ( !$installer ) {
 543                         return Status::newFatal( 'config-invalid-db-type' );
 544                 }
 545
 546                 return $installer->submitConnectForm();
 547         }
 548 }
 549
 550 class WebInstaller_Upgrade extends WebInstallerPage {
 551         public function isSlow() {
 552                 return true;
 553         }
 554
 555         public function execute() {
 556                 if ( $this->getVar( '_UpgradeDone' ) ) {
 557                         // Allow regeneration of LocalSettings.php, unless we are working
 558                         // from a pre-existing LocalSettings.php file and we want to avoid
 559                         // leaking its contents
 560                         if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
 561                                 // Done message acknowledged
 562                                 return 'continue';
 563                         } else {
 564                                 // Back button click
 565                                 // Show the done message again
 566                                 // Make them click back again if they want to do the upgrade again
 567                                 $this->showDoneMessage();
 568
 569                                 return 'output';
 570                         }
 571                 }
 572
 573                 // wgDBtype is generally valid here because otherwise the previous page
 574                 // (connect) wouldn't have declared its happiness
 575                 $type = $this->getVar( 'wgDBtype' );
 576                 $installer = $this->parent->getDBInstaller( $type );
 577
 578                 if ( !$installer->needsUpgrade() ) {
 579                         return 'skip';
 580                 }
 581
 582                 if ( $this->parent->request->wasPosted() ) {
 583                         $installer->preUpgrade();
 584
 585                         $this->startLiveBox();
 586                         $result = $installer->doUpgrade();
 587                         $this->endLiveBox();
 588
 589                         if ( $result ) {
 590                                 // If they're going to possibly regenerate LocalSettings, we
 591                                 // need to create the upgrade/secret keys. Bug 26481
 592                                 if ( !$this->getVar( '_ExistingDBSettings' ) ) {
 593                                         $this->parent->generateKeys();
 594                                 }
 595                                 $this->setVar( '_UpgradeDone', true );
 596                                 $this->showDoneMessage();
 597
 598                                 return 'output';
 599                         }
 600                 }
 601
 602                 $this->startForm();
 603                 $this->addHTML( $this->parent->getInfoBox(
 604                         wfMessage( 'config-can-upgrade', $GLOBALS['wgVersion'] )->plain() ) );
 605                 $this->endForm();
 606         }
 607
 608         public function showDoneMessage() {
 609                 $this->startForm();
 610                 $regenerate = !$this->getVar( '_ExistingDBSettings' );
 611                 if ( $regenerate ) {
 612                         $msg = 'config-upgrade-done';
 613                 } else {
 614                         $msg = 'config-upgrade-done-no-regenerate';
 615                 }
 616                 $this->parent->disableLinkPopups();
 617                 $this->addHTML(
 618                         $this->parent->getInfoBox(
 619                                 wfMessage( $msg,
 620                                         $this->getVar( 'wgServer' ) .
 621                                         $this->getVar( 'wgScriptPath' ) . '/index' .
 622                                         $this->getVar( 'wgScriptExtension' )
 623                                 )->plain(), 'tick-32.png'
 624                         )
 625                 );
 626                 $this->parent->restoreLinkPopups();
 627                 $this->endForm( $regenerate ? 'regenerate' : false, false );
 628         }
 629 }
 630
 631 class WebInstaller_DBSettings extends WebInstallerPage {
 632
 633         public function execute() {
 634                 $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
 635
 636                 $r = $this->parent->request;
 637                 if ( $r->wasPosted() ) {
 638                         $status = $installer->submitSettingsForm();
 639                         if ( $status === false ) {
 640                                 return 'skip';
 641                         } elseif ( $status->isGood() ) {
 642                                 return 'continue';
 643                         } else {
 644                                 $this->parent->showStatusBox( $status );
 645                         }
 646                 }
 647
 648                 $form = $installer->getSettingsForm();
 649                 if ( $form === false ) {
 650                         return 'skip';
 651                 }
 652
 653                 $this->startForm();
 654                 $this->addHTML( $form );
 655                 $this->endForm();
 656         }
 657 }
 658
 659 class WebInstaller_Name extends WebInstallerPage {
 660
 661         public function execute() {
 662                 $r = $this->parent->request;
 663                 if ( $r->wasPosted() ) {
 664                         if ( $this->submit() ) {
 665                                 return 'continue';
 666                         }
 667                 }
 668
 669                 $this->startForm();
 670
 671                 // Encourage people to not name their site 'MediaWiki' by blanking the
 672                 // field. I think that was the intent with the original $GLOBALS['wgSitename']
 673                 // but these two always were the same so had the effect of making the
 674                 // installer forget $wgSitename when navigating back to this page.
 675                 if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
 676                         $this->setVar( 'wgSitename', '' );
 677                 }
 678
 679                 // Set wgMetaNamespace to something valid before we show the form.
 680                 // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
 681                 $metaNS = $this->getVar( 'wgMetaNamespace' );
 682                 $this->setVar(
 683                         'wgMetaNamespace',
 684                         wfMessage( 'config-ns-other-default' )->inContentLanguage()->text()
 685                 );
 686
 687                 $this->addHTML(
 688                         $this->parent->getTextBox( array(
 689                                 'var' => 'wgSitename',
 690                                 'label' => 'config-site-name',
 691                                 'help' => $this->parent->getHelpBox( 'config-site-name-help' )
 692                         ) ) .
 693                         // getRadioSet() builds a set of labeled radio buttons.
 694                         // For grep: The following messages are used as the item labels:
 695                         // config-ns-site-name, config-ns-generic, config-ns-other
 696                         $this->parent->getRadioSet( array(
 697                                 'var' => '_NamespaceType',
 698                                 'label' => 'config-project-namespace',
 699                                 'itemLabelPrefix' => 'config-ns-',
 700                                 'values' => array( 'site-name', 'generic', 'other' ),
 701                                 'commonAttribs' => array( 'class' => 'enableForOther',
 702                                         'rel' => 'config_wgMetaNamespace' ),
 703                                 'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
 704                         ) ) .
 705                         $this->parent->getTextBox( array(
 706                                 'var' => 'wgMetaNamespace',
 707                                 'label' => '', // @todo Needs a label?
 708                                 'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' )
 709                         ) ) .
 710                         $this->getFieldSetStart( 'config-admin-box' ) .
 711                         $this->parent->getTextBox( array(
 712                                 'var' => '_AdminName',
 713                                 'label' => 'config-admin-name',
 714                                 'help' => $this->parent->getHelpBox( 'config-admin-help' )
 715                         ) ) .
 716                         $this->parent->getPasswordBox( array(
 717                                 'var' => '_AdminPassword',
 718                                 'label' => 'config-admin-password',
 719                         ) ) .
 720                         $this->parent->getPasswordBox( array(
 721                                 'var' => '_AdminPassword2',
 722                                 'label' => 'config-admin-password-confirm'
 723                         ) ) .
 724                         $this->parent->getTextBox( array(
 725                                 'var' => '_AdminEmail',
 726                                 'label' => 'config-admin-email',
 727                                 'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
 728                         ) ) .
 729                         $this->parent->getCheckBox( array(
 730                                 'var' => '_Subscribe',
 731                                 'label' => 'config-subscribe',
 732                                 'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
 733                         ) ) .
 734                         $this->getFieldSetEnd() .
 735                         $this->parent->getInfoBox( wfMessage( 'config-almost-done' )->text() ) .
 736                         // getRadioSet() builds a set of labeled radio buttons.
 737                         // For grep: The following messages are used as the item labels:
 738                         // config-optional-continue, config-optional-skip
 739                         $this->parent->getRadioSet( array(
 740                                 'var' => '_SkipOptional',
 741                                 'itemLabelPrefix' => 'config-optional-',
 742                                 'values' => array( 'continue', 'skip' )
 743                         ) )
 744                 );
 745
 746                 // Restore the default value
 747                 $this->setVar( 'wgMetaNamespace', $metaNS );
 748
 749                 $this->endForm();
 750
 751                 return 'output';
 752         }
 753
 754         public function submit() {
 755                 $retVal = true;
 756                 $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
 757                         '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
 758                         '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
 759
 760                 // Validate site name
 761                 if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
 762                         $this->parent->showError( 'config-site-name-blank' );
 763                         $retVal = false;
 764                 }
 765
 766                 // Fetch namespace
 767                 $nsType = $this->getVar( '_NamespaceType' );
 768                 if ( $nsType == 'site-name' ) {
 769                         $name = $this->getVar( 'wgSitename' );
 770                         // Sanitize for namespace
 771                         // This algorithm should match the JS one in WebInstallerOutput.php
 772                         $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
 773                         $name = str_replace( '&', '&amp;', $name );
 774                         $name = preg_replace( '/__+/', '_', $name );
 775                         $name = ucfirst( trim( $name, '_' ) );
 776                 } elseif ( $nsType == 'generic' ) {
 777                         $name = wfMessage( 'config-ns-generic' )->text();
 778                 } else { // other
 779                         $name = $this->getVar( 'wgMetaNamespace' );
 780                 }
 781
 782                 // Validate namespace
 783                 if ( strpos( $name, ':' ) !== false ) {
 784                         $good = false;
 785                 } else {
 786                         // Title-style validation
 787                         $title = Title::newFromText( $name );
 788                         if ( !$title ) {
 789                                 $good = $nsType == 'site-name';
 790                         } else {
 791                                 $name = $title->getDBkey();
 792                                 $good = true;
 793                         }
 794                 }
 795                 if ( !$good ) {
 796                         $this->parent->showError( 'config-ns-invalid', $name );
 797                         $retVal = false;
 798                 }
 799
 800                 // Make sure it won't conflict with any existing namespaces
 801                 global $wgContLang;
 802                 $nsIndex = $wgContLang->getNsIndex( $name );
 803                 if ( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
 804                         $this->parent->showError( 'config-ns-conflict', $name );
 805                         $retVal = false;
 806                 }
 807
 808                 $this->setVar( 'wgMetaNamespace', $name );
 809
 810                 // Validate username for creation
 811                 $name = $this->getVar( '_AdminName' );
 812                 if ( strval( $name ) === '' ) {
 813                         $this->parent->showError( 'config-admin-name-blank' );
 814                         $cname = $name;
 815                         $retVal = false;
 816                 } else {
 817                         $cname = User::getCanonicalName( $name, 'creatable' );
 818                         if ( $cname === false ) {
 819                                 $this->parent->showError( 'config-admin-name-invalid', $name );
 820                                 $retVal = false;
 821                         } else {
 822                                 $this->setVar( '_AdminName', $cname );
 823                         }
 824                 }
 825
 826                 // Validate password
 827                 $msg = false;
 828                 $pwd = $this->getVar( '_AdminPassword' );
 829                 $user = User::newFromName( $cname );
 830                 $valid = $user && $user->getPasswordValidity( $pwd );
 831                 if ( strval( $pwd ) === '' ) {
 832                         # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
 833                         # This message is more specific and helpful.
 834                         $msg = 'config-admin-password-blank';
 835                 } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
 836                         $msg = 'config-admin-password-mismatch';
 837                 } elseif ( $valid !== true ) {
 838                         # As of writing this will only catch the username being e.g. 'FOO' and
 839                         # the password 'foo'
 840                         $msg = $valid;
 841                 }
 842                 if ( $msg !== false ) {
 843                         call_user_func_array( array( $this->parent, 'showError' ), (array)$msg );
 844                         $this->setVar( '_AdminPassword', '' );
 845                         $this->setVar( '_AdminPassword2', '' );
 846                         $retVal = false;
 847                 }
 848
 849                 // Validate e-mail if provided
 850                 $email = $this->getVar( '_AdminEmail' );
 851                 if ( $email && !Sanitizer::validateEmail( $email ) ) {
 852                         $this->parent->showError( 'config-admin-error-bademail' );
 853                         $retVal = false;
 854                 }
 855                 // If they asked to subscribe to mediawiki-announce but didn't give
 856                 // an e-mail, show an error. Bug 29332
 857                 if ( !$email && $this->getVar( '_Subscribe' ) ) {
 858                         $this->parent->showError( 'config-subscribe-noemail' );
 859                         $retVal = false;
 860                 }
 861
 862                 return $retVal;
 863         }
 864 }
 865
 866 class WebInstaller_Options extends WebInstallerPage {
 867         public function execute() {
 868                 if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
 869                         return 'skip';
 870                 }
 871                 if ( $this->parent->request->wasPosted() ) {
 872                         if ( $this->submit() ) {
 873                                 return 'continue';
 874                         }
 875                 }
 876
 877                 $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
 878                 $this->startForm();
 879                 $this->addHTML(
 880                         # User Rights
 881                         // getRadioSet() builds a set of labeled radio buttons.
 882                         // For grep: The following messages are used as the item labels:
 883                         // config-profile-wiki, config-profile-no-anon, config-profile-fishbowl, config-profile-private
 884                         $this->parent->getRadioSet( array(
 885                                 'var' => '_RightsProfile',
 886                                 'label' => 'config-profile',
 887                                 'itemLabelPrefix' => 'config-profile-',
 888                                 'values' => array_keys( $this->parent->rightsProfiles ),
 889                         ) ) .
 890                         $this->parent->getInfoBox( wfMessage( 'config-profile-help' )->plain() ) .
 891
 892                         # Licensing
 893                         // getRadioSet() builds a set of labeled radio buttons.
 894                         // For grep: The following messages are used as the item labels:
 895                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
 896                         // config-license-cc-0, config-license-pd, config-license-gfdl,
 897                         // config-license-none, config-license-cc-choose
 898                         $this->parent->getRadioSet( array(
 899                                 'var' => '_LicenseCode',
 900                                 'label' => 'config-license',
 901                                 'itemLabelPrefix' => 'config-license-',
 902                                 'values' => array_keys( $this->parent->licenses ),
 903                                 'commonAttribs' => array( 'class' => 'licenseRadio' ),
 904                         ) ) .
 905                         $this->getCCChooser() .
 906                         $this->parent->getHelpBox( 'config-license-help' ) .
 907
 908                         # E-mail
 909                         $this->getFieldSetStart( 'config-email-settings' ) .
 910                         $this->parent->getCheckBox( array(
 911                                 'var' => 'wgEnableEmail',
 912                                 'label' => 'config-enable-email',
 913                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
 914                         ) ) .
 915                         $this->parent->getHelpBox( 'config-enable-email-help' ) .
 916                         "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
 917                         $this->parent->getTextBox( array(
 918                                 'var' => 'wgPasswordSender',
 919                                 'label' => 'config-email-sender'
 920                         ) ) .
 921                         $this->parent->getHelpBox( 'config-email-sender-help' ) .
 922                         $this->parent->getCheckBox( array(
 923                                 'var' => 'wgEnableUserEmail',
 924                                 'label' => 'config-email-user',
 925                         ) ) .
 926                         $this->parent->getHelpBox( 'config-email-user-help' ) .
 927                         $this->parent->getCheckBox( array(
 928                                 'var' => 'wgEnotifUserTalk',
 929                                 'label' => 'config-email-usertalk',
 930                         ) ) .
 931                         $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
 932                         $this->parent->getCheckBox( array(
 933                                 'var' => 'wgEnotifWatchlist',
 934                                 'label' => 'config-email-watchlist',
 935                         ) ) .
 936                         $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
 937                         $this->parent->getCheckBox( array(
 938                                 'var' => 'wgEmailAuthentication',
 939                                 'label' => 'config-email-auth',
 940                         ) ) .
 941                         $this->parent->getHelpBox( 'config-email-auth-help' ) .
 942                         "</div>" .
 943                         $this->getFieldSetEnd()
 944                 );
 945
 946                 $extensions = $this->parent->findExtensions();
 947
 948                 if ( $extensions ) {
 949                         $extHtml = $this->getFieldSetStart( 'config-extensions' );
 950
 951                         /* Force a recache, so we load extensions descriptions */
 952                         global $wgLang;
 953                         $lc = Language::getLocalisationCache();
 954                         $lc->setInitialisedLanguages( array() );
 955                         $lc->getItem( $wgLang->mCode, '' );
 956                         LinkCache::singleton()->useDatabase( false );
 957
 958                         foreach ( $extensions as $ext ) {
 959                                 $extHtml .= $this->parent->getCheckBox( array(
 960                                                 'var' => "ext-{$ext['name']}",
 961                                                 'rawtext' => "<b>{$ext['name']}</b>: " .
 962                                                 wfMessage( $ext['descriptionmsg'] )->useDatabase( false )->parse(),
 963                                         ) );
 964
 965                         }
 966
 967                         $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
 968                                 $this->getFieldSetEnd();
 969                         $this->addHTML( $extHtml );
 970                 }
 971
 972                 // Having / in paths in Windows looks funny :)
 973                 $this->setVar( 'wgDeletedDirectory',
 974                         str_replace(
 975                                 '/', DIRECTORY_SEPARATOR,
 976                                 $this->getVar( 'wgDeletedDirectory' )
 977                         )
 978                 );
 979                 // If we're using the default, let the user set it relative to $wgScriptPath
 980                 $curLogo = $this->getVar( 'wgLogo' );
 981                 $logoString = ( $curLogo == "/wiki/skins/common/images/wiki.png" ) ?
 982                         '$wgStylePath/common/images/wiki.png' : $curLogo;
 983
 984                 $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
 985                 $this->addHTML(
 986                         # Uploading
 987                         $this->getFieldSetStart( 'config-upload-settings' ) .
 988                         $this->parent->getCheckBox( array(
 989                                 'var' => 'wgEnableUploads',
 990                                 'label' => 'config-upload-enable',
 991                                 'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
 992                                 'help' => $this->parent->getHelpBox( 'config-upload-help' )
 993                         ) ) .
 994                         '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
 995                         $this->parent->getTextBox( array(
 996                                 'var' => 'wgDeletedDirectory',
 997                                 'label' => 'config-upload-deleted',
 998                                 'attribs' => array( 'dir' => 'ltr' ),
 999                                 'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
1000                         ) ) .
1001                         '</div>' .
1002                         $this->parent->getTextBox( array(
1003                                 'var' => 'wgLogo',
1004                                 'value' => $logoString,
1005                                 'label' => 'config-logo',
1006                                 'attribs' => array( 'dir' => 'ltr' ),
1007                                 'help' => $this->parent->getHelpBox( 'config-logo-help' )
1008                         ) )
1009                 );
1010                 $this->addHTML(
1011                         $this->parent->getCheckBox( array(
1012                                 'var' => 'wgUseInstantCommons',
1013                                 'label' => 'config-instantcommons',
1014                                 'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
1015                         ) ) .
1016                         $this->getFieldSetEnd()
1017                 );
1018
1019                 $caches = array( 'none' );
1020                 if ( count( $this->getVar( '_Caches' ) ) ) {
1021                         $caches[] = 'accel';
1022                 }
1023                 $caches[] = 'memcached';
1024
1025                 // We'll hide/show this on demand when the value changes, see config.js.
1026                 $cacheval = $this->getVar( 'wgMainCacheType' );
1027                 if ( !$cacheval ) {
1028                         // We need to set a default here; but don't hardcode it
1029                         // or we lose it every time we reload the page for validation
1030                         // or going back!
1031                         $cacheval = 'none';
1032                 }
1033                 $hidden = ( $cacheval == 'memcached' ) ? '' : 'display: none';
1034                 $this->addHTML(
1035                         # Advanced settings
1036                         $this->getFieldSetStart( 'config-advanced-settings' ) .
1037                         # Object cache settings
1038                         // getRadioSet() builds a set of labeled radio buttons.
1039                         // For grep: The following messages are used as the item labels:
1040                         // config-cache-none, config-cache-accel, config-cache-memcached
1041                         $this->parent->getRadioSet( array(
1042                                 'var' => 'wgMainCacheType',
1043                                 'label' => 'config-cache-options',
1044                                 'itemLabelPrefix' => 'config-cache-',
1045                                 'values' => $caches,
1046                                 'value' => $cacheval,
1047                         ) ) .
1048                         $this->parent->getHelpBox( 'config-cache-help' ) .
1049                         "<div id=\"config-memcachewrapper\" style=\"$hidden\">" .
1050                         $this->parent->getTextArea( array(
1051                                 'var' => '_MemCachedServers',
1052                                 'label' => 'config-memcached-servers',
1053                                 'help' => $this->parent->getHelpBox( 'config-memcached-help' )
1054                         ) ) .
1055                         '</div>' .
1056                         $this->getFieldSetEnd()
1057                 );
1058                 $this->endForm();
1059         }
1060
1061         /**
1062          * @return string
1063          */
1064         public function getCCPartnerUrl() {
1065                 $server = $this->getVar( 'wgServer' );
1066                 $exitUrl = $server . $this->parent->getUrl( array(
1067                         'page' => 'Options',
1068                         'SubmitCC' => 'indeed',
1069                         'config__LicenseCode' => 'cc',
1070                         'config_wgRightsUrl' => '[license_url]',
1071                         'config_wgRightsText' => '[license_name]',
1072                         'config_wgRightsIcon' => '[license_button]',
1073                 ) );
1074                 $styleUrl = $server . dirname( dirname( $this->parent->getUrl() ) ) .
1075                         '/skins/common/config-cc.css';
1076                 $iframeUrl = 'http://creativecommons.org/license/?' .
1077                         wfArrayToCgi( array(
1078                                 'partner' => 'MediaWiki',
1079                                 'exit_url' => $exitUrl,
1080                                 'lang' => $this->getVar( '_UserLang' ),
1081                                 'stylesheet' => $styleUrl,
1082                         ) );
1083
1084                 return $iframeUrl;
1085         }
1086
1087         public function getCCChooser() {
1088                 $iframeAttribs = array(
1089                         'class' => 'config-cc-iframe',
1090                         'name' => 'config-cc-iframe',
1091                         'id' => 'config-cc-iframe',
1092                         'frameborder' => 0,
1093                         'width' => '100%',
1094                         'height' => '100%',
1095                 );
1096                 if ( $this->getVar( '_CCDone' ) ) {
1097                         $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
1098                 } else {
1099                         $iframeAttribs['src'] = $this->getCCPartnerUrl();
1100                 }
1101                 $wrapperStyle = ( $this->getVar( '_LicenseCode' ) == 'cc-choose' ) ? '' : 'display: none';
1102
1103                 return "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
1104                         Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
1105                         "</div>\n";
1106         }
1107
1108         public function getCCDoneBox() {
1109                 $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
1110                 // If you change this height, also change it in config.css
1111                 $expandJs = str_replace( '$1', '54em', $js );
1112                 $reduceJs = str_replace( '$1', '70px', $js );
1113
1114                 return '<p>' .
1115                         Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
1116                         '&#160;&#160;' .
1117                         htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
1118                         "</p>\n" .
1119                         "<p style=\"text-align: center;\">" .
1120                         Html::element( 'a',
1121                                 array(
1122                                         'href' => $this->getCCPartnerUrl(),
1123                                         'onclick' => $expandJs,
1124                                 ),
1125                                 wfMessage( 'config-cc-again' )->text()
1126                         ) .
1127                         "</p>\n" .
1128                         "<script>\n" .
1129                         # Reduce the wrapper div height
1130                         htmlspecialchars( $reduceJs ) .
1131                         "\n" .
1132                         "</script>\n";
1133         }
1134
1135         public function submitCC() {
1136                 $newValues = $this->parent->setVarsFromRequest(
1137                         array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
1138                 if ( count( $newValues ) != 3 ) {
1139                         $this->parent->showError( 'config-cc-error' );
1140
1141                         return;
1142                 }
1143                 $this->setVar( '_CCDone', true );
1144                 $this->addHTML( $this->getCCDoneBox() );
1145         }
1146
1147         public function submit() {
1148                 $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
1149                         'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
1150                         'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
1151                         'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
1152                         'wgUseInstantCommons' ) );
1153
1154                 if ( !in_array( $this->getVar( '_RightsProfile' ),
1155                         array_keys( $this->parent->rightsProfiles ) )
1156                 ) {
1157                         reset( $this->parent->rightsProfiles );
1158                         $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
1159                 }
1160
1161                 $code = $this->getVar( '_LicenseCode' );
1162                 if ( $code == 'cc-choose' ) {
1163                         if ( !$this->getVar( '_CCDone' ) ) {
1164                                 $this->parent->showError( 'config-cc-not-chosen' );
1165
1166                                 return false;
1167                         }
1168                 } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
1169                         // Messages:
1170                         // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
1171                         // config-license-cc-0, config-license-pd, config-license-gfdl, config-license-none,
1172                         // config-license-cc-choose
1173                         $entry = $this->parent->licenses[$code];
1174                         if ( isset( $entry['text'] ) ) {
1175                                 $this->setVar( 'wgRightsText', $entry['text'] );
1176                         } else {
1177                                 $this->setVar( 'wgRightsText', wfMessage( 'config-license-' . $code )->text() );
1178                         }
1179                         $this->setVar( 'wgRightsUrl', $entry['url'] );
1180                         $this->setVar( 'wgRightsIcon', $entry['icon'] );
1181                 } else {
1182                         $this->setVar( 'wgRightsText', '' );
1183                         $this->setVar( 'wgRightsUrl', '' );
1184                         $this->setVar( 'wgRightsIcon', '' );
1185                 }
1186
1187                 $extsAvailable = array_map(
1188                         function($e) {
1189                                 if( isset($e['name']) ) {
1190                                         return $e['name'];
1191                                 }
1192                         }, $this->parent->findExtensions() );
1193                 $extsToInstall = array();
1194                 foreach ( $extsAvailable as $key => $ext ) {
1195                                 var_dump("config_ext-$ext");
1196                         if ( $this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
1197                                 $extsToInstall[] = $extsAvailable[ $key ];
1198                         }
1199                 }
1200                 $this->parent->setVar( '_Extensions', $extsToInstall );
1201
1202                 if ( $this->getVar( 'wgMainCacheType' ) == 'memcached' ) {
1203                         $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
1204                         if ( !$memcServers ) {
1205                                 $this->parent->showError( 'config-memcache-needservers' );
1206
1207                                 return false;
1208                         }
1209
1210                         foreach ( $memcServers as $server ) {
1211                                 $memcParts = explode( ":", $server, 2 );
1212                                 if ( !isset( $memcParts[0] )
1213                                         || ( !IP::isValid( $memcParts[0] )
1214                                                 && ( gethostbyname( $memcParts[0] ) == $memcParts[0] ) )
1215                                 ) {
1216                                         $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
1217
1218                                         return false;
1219                                 } elseif ( !isset( $memcParts[1] ) ) {
1220                                         $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
1221
1222                                         return false;
1223                                 } elseif ( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
1224                                         $this->parent->showError( 'config-memcache-badport', 1, 65535 );
1225
1226                                         return false;
1227                                 }
1228                         }
1229                 }
1230
1231                 return true;
1232         }
1233 }
1234
1235 class WebInstaller_Install extends WebInstallerPage {
1236         public function isSlow() {
1237                 return true;
1238         }
1239
1240         public function execute() {
1241                 if ( $this->getVar( '_UpgradeDone' ) ) {
1242                         return 'skip';
1243                 } elseif ( $this->getVar( '_InstallDone' ) ) {
1244                         return 'continue';
1245                 } elseif ( $this->parent->request->wasPosted() ) {
1246                         $this->startForm();
1247                         $this->addHTML( "<ul>" );
1248                         $results = $this->parent->performInstallation(
1249                                 array( $this, 'startStage' ),
1250                                 array( $this, 'endStage' )
1251                         );
1252                         $this->addHTML( "</ul>" );
1253                         // PerformInstallation bails on a fatal, so make sure the last item
1254                         // completed before giving 'next.' Likewise, only provide back on failure
1255                         $lastStep = end( $results );
1256                         $continue = $lastStep->isOK() ? 'continue' : false;
1257                         $back = $lastStep->isOK() ? false : 'back';
1258                         $this->endForm( $continue, $back );
1259                 } else {
1260                         $this->startForm();
1261                         $this->addHTML( $this->parent->getInfoBox( wfMessage( 'config-install-begin' )->plain() ) );
1262                         $this->endForm();
1263                 }
1264
1265                 return true;
1266         }
1267
1268         public function startStage( $step ) {
1269                 // Messages: config-install-database, config-install-tables, config-install-interwiki,
1270                 // config-install-stats, config-install-keys, config-install-sysop, config-install-mainpage
1271                 $this->addHTML( "<li>" . wfMessage( "config-install-$step" )->escaped() .
1272                         wfMessage( 'ellipsis' )->escaped() );
1273
1274                 if ( $step == 'extension-tables' ) {
1275                         $this->startLiveBox();
1276                 }
1277         }
1278
1279         /**
1280          * @param $step
1281          * @param $status Status
1282          */
1283         public function endStage( $step, $status ) {
1284                 if ( $step == 'extension-tables' ) {
1285                         $this->endLiveBox();
1286                 }
1287                 $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
1288                 $html = wfMessage( 'word-separator' )->escaped() . wfMessage( $msg )->escaped();
1289                 if ( !$status->isOk() ) {
1290                         $html = "<span class=\"error\">$html</span>";
1291                 }
1292                 $this->addHTML( $html . "</li>\n" );
1293                 if ( !$status->isGood() ) {
1294                         $this->parent->showStatusBox( $status );
1295                 }
1296         }
1297 }
1298
1299 class WebInstaller_Complete extends WebInstallerPage {
1300         public function execute() {
1301                 // Pop up a dialog box, to make it difficult for the user to forget
1302                 // to download the file
1303                 $lsUrl = $this->getVar( 'wgServer' ) . $this->parent->getURL( array( 'localsettings' => 1 ) );
1304                 if ( isset( $_SERVER['HTTP_USER_AGENT'] ) &&
1305                         strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false
1306                 ) {
1307                         // JS appears to be the only method that works consistently with IE7+
1308                         $this->addHtml( "\n<script>jQuery( function () { document.location = " .
1309                         Xml::encodeJsVar( $lsUrl ) . "; } );</script>\n" );
1310                 } else {
1311                         $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
1312                 }
1313
1314                 $this->startForm();
1315                 $this->parent->disableLinkPopups();
1316                 $this->addHTML(
1317                         $this->parent->getInfoBox(
1318                                 wfMessage( 'config-install-done',
1319                                         $lsUrl,
1320                                         $this->getVar( 'wgServer' ) .
1321                                         $this->getVar( 'wgScriptPath' ) . '/index' .
1322                                         $this->getVar( 'wgScriptExtension' ),
1323                                         '<downloadlink/>'
1324                                 )->plain(), 'tick-32.png'
1325                         )
1326                 );
1327                 $this->addHTML( $this->parent->getInfoBox(
1328                         wfMessage( 'config-extension-link' )->text() ) );
1329
1330                 $this->parent->restoreLinkPopups();
1331                 $this->endForm( false, false );
1332         }
1333 }
1334
1335 class WebInstaller_Restart extends WebInstallerPage {
1336
1337         public function execute() {
1338                 $r = $this->parent->request;
1339                 if ( $r->wasPosted() ) {
1340                         $really = $r->getVal( 'submit-restart' );
1341                         if ( $really ) {
1342                                 $this->parent->reset();
1343                         }
1344
1345                         return 'continue';
1346                 }
1347
1348                 $this->startForm();
1349                 $s = $this->parent->getWarningBox( wfMessage( 'config-help-restart' )->plain() );
1350                 $this->addHTML( $s );
1351                 $this->endForm( 'restart' );
1352         }
1353 }
1354
1355 abstract class WebInstaller_Document extends WebInstallerPage {
1356
1357         abstract protected function getFileName();
1358
1359         public function execute() {
1360                 $text = $this->getFileContents();
1361                 $text = InstallDocFormatter::format( $text );
1362                 $this->parent->output->addWikiText( $text );
1363                 $this->startForm();
1364                 $this->endForm( false );
1365         }
1366
1367         public function getFileContents() {
1368                 $file = __DIR__ . '/../../' . $this->getFileName();
1369                 if ( !file_exists( $file ) ) {
1370                         return wfMessage( 'config-nofile', $file )->plain();
1371                 }
1372
1373                 return file_get_contents( $file );
1374         }
1375 }
1376
1377 class WebInstaller_Readme extends WebInstaller_Document {
1378         protected function getFileName() {
1379                 return 'README';
1380         }
1381 }
1382
1383 class WebInstaller_ReleaseNotes extends WebInstaller_Document {
1384         protected function getFileName() {
1385                 global $wgVersion;
1386
1387                 if ( !preg_match( '/^(\d+)\.(\d+).*/i', $wgVersion, $result ) ) {
1388                         throw new MWException( 'Variable $wgVersion has an invalid value.' );
1389                 }
1390
1391                 return 'RELEASE-NOTES-' . $result[1] . '.' . $result[2];
1392         }
1393 }
1394
1395 class WebInstaller_UpgradeDoc extends WebInstaller_Document {
1396         protected function getFileName() {
1397                 return 'UPGRADE';
1398         }
1399 }
1400
1401 class WebInstaller_Copying extends WebInstaller_Document {
1402         protected function getFileName() {
1403                 return 'COPYING';
1404         }
1405 }