Merge "Move up devunt's name to Developers"
[lhc/web/wiklou.git] / includes / installer / WebInstallerPage.php
index 0fcda7d..2ab0554 100644 (file)
@@ -71,10 +71,10 @@ abstract class WebInstallerPage {
                        "<div class=\"config-section\">\n" .
                        Html::openElement(
                                'form',
-                               array(
+                               [
                                        'method' => 'post',
-                                       'action' => $this->parent->getUrl( array( 'page' => $this->getName() ) )
-                               )
+                                       'action' => $this->parent->getUrl( [ 'page' => $this->getName() ] )
+                               ]
                        ) . "\n"
                );
        }
@@ -96,10 +96,10 @@ abstract class WebInstallerPage {
                        // Messages: config-continue, config-restart, config-regenerate
                        $s .= Xml::submitButton(
                                wfMessage( "config-$continue" )->text(),
-                               array(
+                               [
                                        'name' => "enter-$continue",
-                                       'style' => 'visibility:hidden;overflow:hidden;width:1px;margin:0'
-                               )
+                                       'style' => 'width:0;border:0;height:0;padding:0'
+                               ]
                        ) . "\n";
                }
 
@@ -107,10 +107,10 @@ abstract class WebInstallerPage {
                        // Message: config-back
                        $s .= Xml::submitButton(
                                wfMessage( "config-$back" )->text(),
-                               array(
+                               [
                                        'name' => "submit-$back",
                                        'tabindex' => $this->parent->nextTabIndex()
-                               )
+                               ]
                        ) . "\n";
                }
 
@@ -118,10 +118,10 @@ abstract class WebInstallerPage {
                        // Messages: config-continue, config-restart, config-regenerate
                        $s .= Xml::submitButton(
                                wfMessage( "config-$continue" )->text(),
-                               array(
+                               [
                                        'name' => "submit-$continue",
                                        'tabindex' => $this->parent->nextTabIndex(),
-                               )
+                               ]
                        ) . "\n";
                }
 
@@ -205,1405 +205,3 @@ abstract class WebInstallerPage {
        }
 
 }
-
-class WebInstallerLanguage extends WebInstallerPage {
-
-       /**
-        * @return string|null
-        */
-       public function execute() {
-               global $wgLang;
-               $r = $this->parent->request;
-               $userLang = $r->getVal( 'uselang' );
-               $contLang = $r->getVal( 'ContLang' );
-
-               $languages = Language::fetchLanguageNames();
-               $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
-               if ( !$lifetime ) {
-                       $lifetime = 1440; // PHP default
-               }
-
-               if ( $r->wasPosted() ) {
-                       # Do session test
-                       if ( $this->parent->getSession( 'test' ) === null ) {
-                               $requestTime = $r->getVal( 'LanguageRequestTime' );
-                               if ( !$requestTime ) {
-                                       // The most likely explanation is that the user was knocked back
-                                       // from another page on POST due to session expiry
-                                       $msg = 'config-session-expired';
-                               } elseif ( time() - $requestTime > $lifetime ) {
-                                       $msg = 'config-session-expired';
-                               } else {
-                                       $msg = 'config-no-session';
-                               }
-                               $this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) );
-                       } else {
-                               if ( isset( $languages[$userLang] ) ) {
-                                       $this->setVar( '_UserLang', $userLang );
-                               }
-                               if ( isset( $languages[$contLang] ) ) {
-                                       $this->setVar( 'wgLanguageCode', $contLang );
-                               }
-
-                               return 'continue';
-                       }
-               } elseif ( $this->parent->showSessionWarning ) {
-                       # The user was knocked back from another page to the start
-                       # This probably indicates a session expiry
-                       $this->parent->showError( 'config-session-expired',
-                               $wgLang->formatTimePeriod( $lifetime ) );
-               }
-
-               $this->parent->setSession( 'test', true );
-
-               if ( !isset( $languages[$userLang] ) ) {
-                       $userLang = $this->getVar( '_UserLang', 'en' );
-               }
-               if ( !isset( $languages[$contLang] ) ) {
-                       $contLang = $this->getVar( 'wgLanguageCode', 'en' );
-               }
-               $this->startForm();
-               $s = Html::hidden( 'LanguageRequestTime', time() ) .
-                       $this->getLanguageSelector( 'uselang', 'config-your-language', $userLang,
-                               $this->parent->getHelpBox( 'config-your-language-help' ) ) .
-                       $this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang,
-                               $this->parent->getHelpBox( 'config-wiki-language-help' ) );
-               $this->addHTML( $s );
-               $this->endForm( 'continue', false );
-
-               return null;
-       }
-
-       /**
-        * Get a "<select>" for selecting languages.
-        *
-        * @param string $name
-        * @param string $label
-        * @param string $selectedCode
-        * @param string $helpHtml
-        *
-        * @return string
-        */
-       public function getLanguageSelector( $name, $label, $selectedCode, $helpHtml = '' ) {
-               global $wgDummyLanguageCodes;
-
-               $output = $helpHtml;
-
-               $select = new XmlSelect( $name, $name, $selectedCode );
-               $select->setAttribute( 'tabindex', $this->parent->nextTabIndex() );
-
-               $languages = Language::fetchLanguageNames();
-               ksort( $languages );
-               foreach ( $languages as $code => $lang ) {
-                       if ( isset( $wgDummyLanguageCodes[$code] ) ) {
-                               continue;
-                       }
-                       $select->addOption( "$code - $lang", $code );
-               }
-
-               $output .= $select->getHTML();
-               return $this->parent->label( $label, $name, $output );
-       }
-
-}
-
-class WebInstallerExistingWiki extends WebInstallerPage {
-
-       /**
-        * @return string
-        */
-       public function execute() {
-               // If there is no LocalSettings.php, continue to the installer welcome page
-               $vars = Installer::getExistingLocalSettings();
-               if ( !$vars ) {
-                       return 'skip';
-               }
-
-               // Check if the upgrade key supplied to the user has appeared in LocalSettings.php
-               if ( $vars['wgUpgradeKey'] !== false
-                       && $this->getVar( '_UpgradeKeySupplied' )
-                       && $this->getVar( 'wgUpgradeKey' ) === $vars['wgUpgradeKey']
-               ) {
-                       // It's there, so the user is authorized
-                       $status = $this->handleExistingUpgrade( $vars );
-                       if ( $status->isOK() ) {
-                               return 'skip';
-                       } else {
-                               $this->startForm();
-                               $this->parent->showStatusBox( $status );
-                               $this->endForm( 'continue' );
-
-                               return 'output';
-                       }
-               }
-
-               // If there is no $wgUpgradeKey, tell the user to add one to LocalSettings.php
-               if ( $vars['wgUpgradeKey'] === false ) {
-                       if ( $this->getVar( 'wgUpgradeKey', false ) === false ) {
-                               $secretKey = $this->getVar( 'wgSecretKey' ); // preserve $wgSecretKey
-                               $this->parent->generateKeys();
-                               $this->setVar( 'wgSecretKey', $secretKey );
-                               $this->setVar( '_UpgradeKeySupplied', true );
-                       }
-                       $this->startForm();
-                       $this->addHTML( $this->parent->getInfoBox(
-                               wfMessage( 'config-upgrade-key-missing', "<pre dir=\"ltr\">\$wgUpgradeKey = '" .
-                                       $this->getVar( 'wgUpgradeKey' ) . "';</pre>" )->plain()
-                       ) );
-                       $this->endForm( 'continue' );
-
-                       return 'output';
-               }
-
-               // If there is an upgrade key, but it wasn't supplied, prompt the user to enter it
-
-               $r = $this->parent->request;
-               if ( $r->wasPosted() ) {
-                       $key = $r->getText( 'config_wgUpgradeKey' );
-                       if ( !$key || $key !== $vars['wgUpgradeKey'] ) {
-                               $this->parent->showError( 'config-localsettings-badkey' );
-                               $this->showKeyForm();
-
-                               return 'output';
-                       }
-                       // Key was OK
-                       $status = $this->handleExistingUpgrade( $vars );
-                       if ( $status->isOK() ) {
-                               return 'continue';
-                       } else {
-                               $this->parent->showStatusBox( $status );
-                               $this->showKeyForm();
-
-                               return 'output';
-                       }
-               } else {
-                       $this->showKeyForm();
-
-                       return 'output';
-               }
-       }
-
-       /**
-        * Show the "enter key" form
-        */
-       protected function showKeyForm() {
-               $this->startForm();
-               $this->addHTML(
-                       $this->parent->getInfoBox( wfMessage( 'config-localsettings-upgrade' )->plain() ) .
-                       '<br />' .
-                       $this->parent->getTextBox( array(
-                               'var' => 'wgUpgradeKey',
-                               'label' => 'config-localsettings-key',
-                               'attribs' => array( 'autocomplete' => 'off' ),
-                       ) )
-               );
-               $this->endForm( 'continue' );
-       }
-
-       /**
-        * @param string[] $names
-        * @param mixed[] $vars
-        *
-        * @return Status
-        */
-       protected function importVariables( $names, $vars ) {
-               $status = Status::newGood();
-               foreach ( $names as $name ) {
-                       if ( !isset( $vars[$name] ) ) {
-                               $status->fatal( 'config-localsettings-incomplete', $name );
-                       }
-                       $this->setVar( $name, $vars[$name] );
-               }
-
-               return $status;
-       }
-
-       /**
-        * Initiate an upgrade of the existing database
-        *
-        * @param mixed[] $vars Variables from LocalSettings.php
-        *
-        * @return Status
-        */
-       protected function handleExistingUpgrade( $vars ) {
-               // Check $wgDBtype
-               if ( !isset( $vars['wgDBtype'] ) ||
-                       !in_array( $vars['wgDBtype'], Installer::getDBTypes() )
-               ) {
-                       return Status::newFatal( 'config-localsettings-connection-error', '' );
-               }
-
-               // Set the relevant variables from LocalSettings.php
-               $requiredVars = array( 'wgDBtype' );
-               $status = $this->importVariables( $requiredVars, $vars );
-               $installer = $this->parent->getDBInstaller();
-               $status->merge( $this->importVariables( $installer->getGlobalNames(), $vars ) );
-               if ( !$status->isOK() ) {
-                       return $status;
-               }
-
-               if ( isset( $vars['wgDBadminuser'] ) ) {
-                       $this->setVar( '_InstallUser', $vars['wgDBadminuser'] );
-               } else {
-                       $this->setVar( '_InstallUser', $vars['wgDBuser'] );
-               }
-               if ( isset( $vars['wgDBadminpassword'] ) ) {
-                       $this->setVar( '_InstallPassword', $vars['wgDBadminpassword'] );
-               } else {
-                       $this->setVar( '_InstallPassword', $vars['wgDBpassword'] );
-               }
-
-               // Test the database connection
-               $status = $installer->getConnection();
-               if ( !$status->isOK() ) {
-                       // Adjust the error message to explain things correctly
-                       $status->replaceMessage( 'config-connection-error',
-                               'config-localsettings-connection-error' );
-
-                       return $status;
-               }
-
-               // All good
-               $this->setVar( '_ExistingDBSettings', true );
-
-               return $status;
-       }
-
-}
-
-class WebInstallerWelcome extends WebInstallerPage {
-
-       /**
-        * @return string
-        */
-       public function execute() {
-               if ( $this->parent->request->wasPosted() ) {
-                       if ( $this->getVar( '_Environment' ) ) {
-                               return 'continue';
-                       }
-               }
-               $this->parent->output->addWikiText( wfMessage( 'config-welcome' )->plain() );
-               $status = $this->parent->doEnvironmentChecks();
-               if ( $status->isGood() ) {
-                       $this->parent->output->addHTML( '<span class="success-message">' .
-                               wfMessage( 'config-env-good' )->escaped() . '</span>' );
-                       $this->parent->output->addWikiText( wfMessage( 'config-copyright',
-                               SpecialVersion::getCopyrightAndAuthorList() )->plain() );
-                       $this->startForm();
-                       $this->endForm();
-               } else {
-                       $this->parent->showStatusMessage( $status );
-               }
-
-               return '';
-       }
-
-}
-
-class WebInstallerDBConnect extends WebInstallerPage {
-
-       /**
-        * @return string|null When string, "skip" or "continue"
-        */
-       public function execute() {
-               if ( $this->getVar( '_ExistingDBSettings' ) ) {
-                       return 'skip';
-               }
-
-               $r = $this->parent->request;
-               if ( $r->wasPosted() ) {
-                       $status = $this->submit();
-
-                       if ( $status->isGood() ) {
-                               $this->setVar( '_UpgradeDone', false );
-
-                               return 'continue';
-                       } else {
-                               $this->parent->showStatusBox( $status );
-                       }
-               }
-
-               $this->startForm();
-
-               $types = "<ul class=\"config-settings-block\">\n";
-               $settings = '';
-               $defaultType = $this->getVar( 'wgDBtype' );
-
-               // Messages: config-dbsupport-mysql, config-dbsupport-postgres, config-dbsupport-oracle,
-               // config-dbsupport-sqlite, config-dbsupport-mssql
-               $dbSupport = '';
-               foreach ( Installer::getDBTypes() as $type ) {
-                       $dbSupport .= wfMessage( "config-dbsupport-$type" )->plain() . "\n";
-               }
-               $this->addHTML( $this->parent->getInfoBox(
-                       wfMessage( 'config-support-info', trim( $dbSupport ) )->text() ) );
-
-               // It's possible that the library for the default DB type is not compiled in.
-               // In that case, instead select the first supported DB type in the list.
-               $compiledDBs = $this->parent->getCompiledDBs();
-               if ( !in_array( $defaultType, $compiledDBs ) ) {
-                       $defaultType = $compiledDBs[0];
-               }
-
-               foreach ( $compiledDBs as $type ) {
-                       $installer = $this->parent->getDBInstaller( $type );
-                       $types .=
-                               '<li>' .
-                               Xml::radioLabel(
-                                       $installer->getReadableName(),
-                                       'DBType',
-                                       $type,
-                                       "DBType_$type",
-                                       $type == $defaultType,
-                                       array( 'class' => 'dbRadio', 'rel' => "DB_wrapper_$type" )
-                               ) .
-                               "</li>\n";
-
-                       // Messages: config-header-mysql, config-header-postgres, config-header-oracle,
-                       // config-header-sqlite
-                       $settings .= Html::openElement(
-                                       'div',
-                                       array(
-                                               'id' => 'DB_wrapper_' . $type,
-                                               'class' => 'dbWrapper'
-                                       )
-                               ) .
-                               Html::element( 'h3', array(), wfMessage( 'config-header-' . $type )->text() ) .
-                               $installer->getConnectForm() .
-                               "</div>\n";
-               }
-
-               $types .= "</ul><br style=\"clear: left\"/>\n";
-
-               $this->addHTML( $this->parent->label( 'config-db-type', false, $types ) . $settings );
-               $this->endForm();
-
-               return null;
-       }
-
-       /**
-        * @return Status
-        */
-       public function submit() {
-               $r = $this->parent->request;
-               $type = $r->getVal( 'DBType' );
-               if ( !$type ) {
-                       return Status::newFatal( 'config-invalid-db-type' );
-               }
-               $this->setVar( 'wgDBtype', $type );
-               $installer = $this->parent->getDBInstaller( $type );
-               if ( !$installer ) {
-                       return Status::newFatal( 'config-invalid-db-type' );
-               }
-
-               return $installer->submitConnectForm();
-       }
-
-}
-
-class WebInstallerUpgrade extends WebInstallerPage {
-
-       /**
-        * @return bool Always true.
-        */
-       public function isSlow() {
-               return true;
-       }
-
-       /**
-        * @return string|null
-        */
-       public function execute() {
-               if ( $this->getVar( '_UpgradeDone' ) ) {
-                       // Allow regeneration of LocalSettings.php, unless we are working
-                       // from a pre-existing LocalSettings.php file and we want to avoid
-                       // leaking its contents
-                       if ( $this->parent->request->wasPosted() && !$this->getVar( '_ExistingDBSettings' ) ) {
-                               // Done message acknowledged
-                               return 'continue';
-                       } else {
-                               // Back button click
-                               // Show the done message again
-                               // Make them click back again if they want to do the upgrade again
-                               $this->showDoneMessage();
-
-                               return 'output';
-                       }
-               }
-
-               // wgDBtype is generally valid here because otherwise the previous page
-               // (connect) wouldn't have declared its happiness
-               $type = $this->getVar( 'wgDBtype' );
-               $installer = $this->parent->getDBInstaller( $type );
-
-               if ( !$installer->needsUpgrade() ) {
-                       return 'skip';
-               }
-
-               if ( $this->parent->request->wasPosted() ) {
-                       $installer->preUpgrade();
-
-                       $this->startLiveBox();
-                       $result = $installer->doUpgrade();
-                       $this->endLiveBox();
-
-                       if ( $result ) {
-                               // If they're going to possibly regenerate LocalSettings, we
-                               // need to create the upgrade/secret keys. Bug 26481
-                               if ( !$this->getVar( '_ExistingDBSettings' ) ) {
-                                       $this->parent->generateKeys();
-                               }
-                               $this->setVar( '_UpgradeDone', true );
-                               $this->showDoneMessage();
-
-                               return 'output';
-                       }
-               }
-
-               $this->startForm();
-               $this->addHTML( $this->parent->getInfoBox(
-                       wfMessage( 'config-can-upgrade', $GLOBALS['wgVersion'] )->plain() ) );
-               $this->endForm();
-
-               return null;
-       }
-
-       public function showDoneMessage() {
-               $this->startForm();
-               $regenerate = !$this->getVar( '_ExistingDBSettings' );
-               if ( $regenerate ) {
-                       $msg = 'config-upgrade-done';
-               } else {
-                       $msg = 'config-upgrade-done-no-regenerate';
-               }
-               $this->parent->disableLinkPopups();
-               $this->addHTML(
-                       $this->parent->getInfoBox(
-                               wfMessage( $msg,
-                                       $this->getVar( 'wgServer' ) .
-                                       $this->getVar( 'wgScriptPath' ) . '/index.php'
-                               )->plain(), 'tick-32.png'
-                       )
-               );
-               $this->parent->restoreLinkPopups();
-               $this->endForm( $regenerate ? 'regenerate' : false, false );
-       }
-
-}
-
-class WebInstallerDBSettings extends WebInstallerPage {
-
-       /**
-        * @return string|null
-        */
-       public function execute() {
-               $installer = $this->parent->getDBInstaller( $this->getVar( 'wgDBtype' ) );
-
-               $r = $this->parent->request;
-               if ( $r->wasPosted() ) {
-                       $status = $installer->submitSettingsForm();
-                       if ( $status === false ) {
-                               return 'skip';
-                       } elseif ( $status->isGood() ) {
-                               return 'continue';
-                       } else {
-                               $this->parent->showStatusBox( $status );
-                       }
-               }
-
-               $form = $installer->getSettingsForm();
-               if ( $form === false ) {
-                       return 'skip';
-               }
-
-               $this->startForm();
-               $this->addHTML( $form );
-               $this->endForm();
-
-               return null;
-       }
-
-}
-
-class WebInstallerName extends WebInstallerPage {
-
-       /**
-        * @return string
-        */
-       public function execute() {
-               $r = $this->parent->request;
-               if ( $r->wasPosted() ) {
-                       if ( $this->submit() ) {
-                               return 'continue';
-                       }
-               }
-
-               $this->startForm();
-
-               // Encourage people to not name their site 'MediaWiki' by blanking the
-               // field. I think that was the intent with the original $GLOBALS['wgSitename']
-               // but these two always were the same so had the effect of making the
-               // installer forget $wgSitename when navigating back to this page.
-               if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
-                       $this->setVar( 'wgSitename', '' );
-               }
-
-               // Set wgMetaNamespace to something valid before we show the form.
-               // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
-               $metaNS = $this->getVar( 'wgMetaNamespace' );
-               $this->setVar(
-                       'wgMetaNamespace',
-                       wfMessage( 'config-ns-other-default' )->inContentLanguage()->text()
-               );
-
-               $this->addHTML(
-                       $this->parent->getTextBox( array(
-                               'var' => 'wgSitename',
-                               'label' => 'config-site-name',
-                               'help' => $this->parent->getHelpBox( 'config-site-name-help' )
-                       ) ) .
-                       // getRadioSet() builds a set of labeled radio buttons.
-                       // For grep: The following messages are used as the item labels:
-                       // config-ns-site-name, config-ns-generic, config-ns-other
-                       $this->parent->getRadioSet( array(
-                               'var' => '_NamespaceType',
-                               'label' => 'config-project-namespace',
-                               'itemLabelPrefix' => 'config-ns-',
-                               'values' => array( 'site-name', 'generic', 'other' ),
-                               'commonAttribs' => array( 'class' => 'enableForOther',
-                                       'rel' => 'config_wgMetaNamespace' ),
-                               'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
-                       ) ) .
-                       $this->parent->getTextBox( array(
-                               'var' => 'wgMetaNamespace',
-                               'label' => '', // @todo Needs a label?
-                               'attribs' => array( 'readonly' => 'readonly', 'class' => 'enabledByOther' )
-                       ) ) .
-                       $this->getFieldSetStart( 'config-admin-box' ) .
-                       $this->parent->getTextBox( array(
-                               'var' => '_AdminName',
-                               'label' => 'config-admin-name',
-                               'help' => $this->parent->getHelpBox( 'config-admin-help' )
-                       ) ) .
-                       $this->parent->getPasswordBox( array(
-                               'var' => '_AdminPassword',
-                               'label' => 'config-admin-password',
-                       ) ) .
-                       $this->parent->getPasswordBox( array(
-                               'var' => '_AdminPasswordConfirm',
-                               'label' => 'config-admin-password-confirm'
-                       ) ) .
-                       $this->parent->getTextBox( array(
-                               'var' => '_AdminEmail',
-                               'attribs' => array(
-                                       'dir' => 'ltr',
-                               ),
-                               'label' => 'config-admin-email',
-                               'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
-                       ) ) .
-                       $this->parent->getCheckBox( array(
-                               'var' => '_Subscribe',
-                               'label' => 'config-subscribe',
-                               'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
-                       ) ) .
-                       $this->getFieldSetEnd() .
-                       $this->parent->getInfoBox( wfMessage( 'config-almost-done' )->text() ) .
-                       // getRadioSet() builds a set of labeled radio buttons.
-                       // For grep: The following messages are used as the item labels:
-                       // config-optional-continue, config-optional-skip
-                       $this->parent->getRadioSet( array(
-                               'var' => '_SkipOptional',
-                               'itemLabelPrefix' => 'config-optional-',
-                               'values' => array( 'continue', 'skip' )
-                       ) )
-               );
-
-               // Restore the default value
-               $this->setVar( 'wgMetaNamespace', $metaNS );
-
-               $this->endForm();
-
-               return 'output';
-       }
-
-       /**
-        * @return bool
-        */
-       public function submit() {
-               global $wgPasswordPolicy;
-
-               $retVal = true;
-               $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
-                       '_AdminName', '_AdminPassword', '_AdminPasswordConfirm', '_AdminEmail',
-                       '_Subscribe', '_SkipOptional', 'wgMetaNamespace' ) );
-
-               // Validate site name
-               if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
-                       $this->parent->showError( 'config-site-name-blank' );
-                       $retVal = false;
-               }
-
-               // Fetch namespace
-               $nsType = $this->getVar( '_NamespaceType' );
-               if ( $nsType == 'site-name' ) {
-                       $name = $this->getVar( 'wgSitename' );
-                       // Sanitize for namespace
-                       // This algorithm should match the JS one in WebInstallerOutput.php
-                       $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
-                       $name = str_replace( '&', '&amp;', $name );
-                       $name = preg_replace( '/__+/', '_', $name );
-                       $name = ucfirst( trim( $name, '_' ) );
-               } elseif ( $nsType == 'generic' ) {
-                       $name = wfMessage( 'config-ns-generic' )->text();
-               } else { // other
-                       $name = $this->getVar( 'wgMetaNamespace' );
-               }
-
-               // Validate namespace
-               if ( strpos( $name, ':' ) !== false ) {
-                       $good = false;
-               } else {
-                       // Title-style validation
-                       $title = Title::newFromText( $name );
-                       if ( !$title ) {
-                               $good = $nsType == 'site-name';
-                       } else {
-                               $name = $title->getDBkey();
-                               $good = true;
-                       }
-               }
-               if ( !$good ) {
-                       $this->parent->showError( 'config-ns-invalid', $name );
-                       $retVal = false;
-               }
-
-               // Make sure it won't conflict with any existing namespaces
-               global $wgContLang;
-               $nsIndex = $wgContLang->getNsIndex( $name );
-               if ( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
-                       $this->parent->showError( 'config-ns-conflict', $name );
-                       $retVal = false;
-               }
-
-               $this->setVar( 'wgMetaNamespace', $name );
-
-               // Validate username for creation
-               $name = $this->getVar( '_AdminName' );
-               if ( strval( $name ) === '' ) {
-                       $this->parent->showError( 'config-admin-name-blank' );
-                       $cname = $name;
-                       $retVal = false;
-               } else {
-                       $cname = User::getCanonicalName( $name, 'creatable' );
-                       if ( $cname === false ) {
-                               $this->parent->showError( 'config-admin-name-invalid', $name );
-                               $retVal = false;
-                       } else {
-                               $this->setVar( '_AdminName', $cname );
-                       }
-               }
-
-               // Validate password
-               $msg = false;
-               $pwd = $this->getVar( '_AdminPassword' );
-               $user = User::newFromName( $cname );
-               if ( $user ) {
-                       $upp = new UserPasswordPolicy(
-                               $wgPasswordPolicy['policies'],
-                               $wgPasswordPolicy['checks']
-                       );
-                       $status = $upp->checkUserPasswordForGroups(
-                               $user,
-                               $pwd,
-                               array( 'bureaucrat', 'sysop' )  // per Installer::createSysop()
-                       );
-                       $valid = $status->isGood() ? true : $status->getMessage();
-               } else {
-                       $valid = 'config-admin-name-invalid';
-               }
-               if ( strval( $pwd ) === '' ) {
-                       // Provide a more specific and helpful message if password field is left blank
-                       $msg = 'config-admin-password-blank';
-               } elseif ( $pwd !== $this->getVar( '_AdminPasswordConfirm' ) ) {
-                       $msg = 'config-admin-password-mismatch';
-               } elseif ( $valid !== true ) {
-                       $msg = $valid;
-               }
-               if ( $msg !== false ) {
-                       call_user_func( array( $this->parent, 'showError' ), $msg );
-                       $this->setVar( '_AdminPassword', '' );
-                       $this->setVar( '_AdminPasswordConfirm', '' );
-                       $retVal = false;
-               }
-
-               // Validate e-mail if provided
-               $email = $this->getVar( '_AdminEmail' );
-               if ( $email && !Sanitizer::validateEmail( $email ) ) {
-                       $this->parent->showError( 'config-admin-error-bademail' );
-                       $retVal = false;
-               }
-               // If they asked to subscribe to mediawiki-announce but didn't give
-               // an e-mail, show an error. Bug 29332
-               if ( !$email && $this->getVar( '_Subscribe' ) ) {
-                       $this->parent->showError( 'config-subscribe-noemail' );
-                       $retVal = false;
-               }
-
-               return $retVal;
-       }
-
-}
-
-class WebInstallerOptions extends WebInstallerPage {
-
-       /**
-        * @return string|null
-        */
-       public function execute() {
-               if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
-                       $this->submitSkins();
-                       return 'skip';
-               }
-               if ( $this->parent->request->wasPosted() ) {
-                       if ( $this->submit() ) {
-                               return 'continue';
-                       }
-               }
-
-               $emailwrapperStyle = $this->getVar( 'wgEnableEmail' ) ? '' : 'display: none';
-               $this->startForm();
-               $this->addHTML(
-                       # User Rights
-                       // getRadioSet() builds a set of labeled radio buttons.
-                       // For grep: The following messages are used as the item labels:
-                       // config-profile-wiki, config-profile-no-anon, config-profile-fishbowl, config-profile-private
-                       $this->parent->getRadioSet( array(
-                               'var' => '_RightsProfile',
-                               'label' => 'config-profile',
-                               'itemLabelPrefix' => 'config-profile-',
-                               'values' => array_keys( $this->parent->rightsProfiles ),
-                       ) ) .
-                       $this->parent->getInfoBox( wfMessage( 'config-profile-help' )->plain() ) .
-
-                       # Licensing
-                       // getRadioSet() builds a set of labeled radio buttons.
-                       // For grep: The following messages are used as the item labels:
-                       // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
-                       // config-license-cc-0, config-license-pd, config-license-gfdl,
-                       // config-license-none, config-license-cc-choose
-                       $this->parent->getRadioSet( array(
-                               'var' => '_LicenseCode',
-                               'label' => 'config-license',
-                               'itemLabelPrefix' => 'config-license-',
-                               'values' => array_keys( $this->parent->licenses ),
-                               'commonAttribs' => array( 'class' => 'licenseRadio' ),
-                       ) ) .
-                       $this->getCCChooser() .
-                       $this->parent->getHelpBox( 'config-license-help' ) .
-
-                       # E-mail
-                       $this->getFieldSetStart( 'config-email-settings' ) .
-                       $this->parent->getCheckBox( array(
-                               'var' => 'wgEnableEmail',
-                               'label' => 'config-enable-email',
-                               'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'emailwrapper' ),
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-enable-email-help' ) .
-                       "<div id=\"emailwrapper\" style=\"$emailwrapperStyle\">" .
-                       $this->parent->getTextBox( array(
-                               'var' => 'wgPasswordSender',
-                               'label' => 'config-email-sender'
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-email-sender-help' ) .
-                       $this->parent->getCheckBox( array(
-                               'var' => 'wgEnableUserEmail',
-                               'label' => 'config-email-user',
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-email-user-help' ) .
-                       $this->parent->getCheckBox( array(
-                               'var' => 'wgEnotifUserTalk',
-                               'label' => 'config-email-usertalk',
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-email-usertalk-help' ) .
-                       $this->parent->getCheckBox( array(
-                               'var' => 'wgEnotifWatchlist',
-                               'label' => 'config-email-watchlist',
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-email-watchlist-help' ) .
-                       $this->parent->getCheckBox( array(
-                               'var' => 'wgEmailAuthentication',
-                               'label' => 'config-email-auth',
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-email-auth-help' ) .
-                       "</div>" .
-                       $this->getFieldSetEnd()
-               );
-
-               $skins = $this->parent->findExtensions( 'skins' );
-               $skinHtml = $this->getFieldSetStart( 'config-skins' );
-
-               $skinNames = array_map( 'strtolower', $skins );
-               $chosenSkinName = $this->getVar( 'wgDefaultSkin', $this->parent->getDefaultSkin( $skinNames ) );
-
-               if ( $skins ) {
-                       $radioButtons = $this->parent->getRadioElements( array(
-                               'var' => 'wgDefaultSkin',
-                               'itemLabels' => array_fill_keys( $skinNames, 'config-skins-use-as-default' ),
-                               'values' => $skinNames,
-                               'value' => $chosenSkinName,
-                       ) );
-
-                       foreach ( $skins as $skin ) {
-                               $skinHtml .=
-                                       '<div class="config-skins-item">' .
-                                       $this->parent->getCheckBox( array(
-                                               'var' => "skin-$skin",
-                                               'rawtext' => $skin,
-                                               'value' => $this->getVar( "skin-$skin", true ), // all found skins enabled by default
-                                       ) ) .
-                                       '<div class="config-skins-use-as-default">' . $radioButtons[strtolower( $skin )] . '</div>' .
-                                       '</div>';
-                       }
-               } else {
-                       $skinHtml .=
-                               $this->parent->getWarningBox( wfMessage( 'config-skins-missing' )->plain() ) .
-                               Html::hidden( 'config_wgDefaultSkin', $chosenSkinName );
-               }
-
-               $skinHtml .= $this->parent->getHelpBox( 'config-skins-help' ) .
-                       $this->getFieldSetEnd();
-               $this->addHTML( $skinHtml );
-
-               $extensions = $this->parent->findExtensions();
-
-               if ( $extensions ) {
-                       $extHtml = $this->getFieldSetStart( 'config-extensions' );
-
-                       foreach ( $extensions as $ext ) {
-                               $extHtml .= $this->parent->getCheckBox( array(
-                                       'var' => "ext-$ext",
-                                       'rawtext' => $ext,
-                               ) );
-                       }
-
-                       $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
-                               $this->getFieldSetEnd();
-                       $this->addHTML( $extHtml );
-               }
-
-               // Having / in paths in Windows looks funny :)
-               $this->setVar( 'wgDeletedDirectory',
-                       str_replace(
-                               '/', DIRECTORY_SEPARATOR,
-                               $this->getVar( 'wgDeletedDirectory' )
-                       )
-               );
-
-               $uploadwrapperStyle = $this->getVar( 'wgEnableUploads' ) ? '' : 'display: none';
-               $this->addHTML(
-                       # Uploading
-                       $this->getFieldSetStart( 'config-upload-settings' ) .
-                       $this->parent->getCheckBox( array(
-                               'var' => 'wgEnableUploads',
-                               'label' => 'config-upload-enable',
-                               'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
-                               'help' => $this->parent->getHelpBox( 'config-upload-help' )
-                       ) ) .
-                       '<div id="uploadwrapper" style="' . $uploadwrapperStyle . '">' .
-                       $this->parent->getTextBox( array(
-                               'var' => 'wgDeletedDirectory',
-                               'label' => 'config-upload-deleted',
-                               'attribs' => array( 'dir' => 'ltr' ),
-                               'help' => $this->parent->getHelpBox( 'config-upload-deleted-help' )
-                       ) ) .
-                       '</div>' .
-                       $this->parent->getTextBox( array(
-                               'var' => 'wgLogo',
-                               'label' => 'config-logo',
-                               'attribs' => array( 'dir' => 'ltr' ),
-                               'help' => $this->parent->getHelpBox( 'config-logo-help' )
-                       ) )
-               );
-               $this->addHTML(
-                       $this->parent->getCheckBox( array(
-                               'var' => 'wgUseInstantCommons',
-                               'label' => 'config-instantcommons',
-                               'help' => $this->parent->getHelpBox( 'config-instantcommons-help' )
-                       ) ) .
-                       $this->getFieldSetEnd()
-               );
-
-               $caches = array( 'none' );
-               if ( count( $this->getVar( '_Caches' ) ) ) {
-                       $caches[] = 'accel';
-               }
-               $caches[] = 'memcached';
-
-               // We'll hide/show this on demand when the value changes, see config.js.
-               $cacheval = $this->getVar( '_MainCacheType' );
-               if ( !$cacheval ) {
-                       // We need to set a default here; but don't hardcode it
-                       // or we lose it every time we reload the page for validation
-                       // or going back!
-                       $cacheval = 'none';
-               }
-               $hidden = ( $cacheval == 'memcached' ) ? '' : 'display: none';
-               $this->addHTML(
-                       # Advanced settings
-                       $this->getFieldSetStart( 'config-advanced-settings' ) .
-                       # Object cache settings
-                       // getRadioSet() builds a set of labeled radio buttons.
-                       // For grep: The following messages are used as the item labels:
-                       // config-cache-none, config-cache-accel, config-cache-memcached
-                       $this->parent->getRadioSet( array(
-                               'var' => '_MainCacheType',
-                               'label' => 'config-cache-options',
-                               'itemLabelPrefix' => 'config-cache-',
-                               'values' => $caches,
-                               'value' => $cacheval,
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-cache-help' ) .
-                       "<div id=\"config-memcachewrapper\" style=\"$hidden\">" .
-                       $this->parent->getTextArea( array(
-                               'var' => '_MemCachedServers',
-                               'label' => 'config-memcached-servers',
-                               'help' => $this->parent->getHelpBox( 'config-memcached-help' )
-                       ) ) .
-                       '</div>' .
-                       $this->getFieldSetEnd()
-               );
-               $this->endForm();
-
-               return null;
-       }
-
-       /**
-        * @return string
-        */
-       public function getCCPartnerUrl() {
-               $server = $this->getVar( 'wgServer' );
-               $exitUrl = $server . $this->parent->getUrl( array(
-                       'page' => 'Options',
-                       'SubmitCC' => 'indeed',
-                       'config__LicenseCode' => 'cc',
-                       'config_wgRightsUrl' => '[license_url]',
-                       'config_wgRightsText' => '[license_name]',
-                       'config_wgRightsIcon' => '[license_button]',
-               ) );
-               $styleUrl = $server . dirname( dirname( $this->parent->getUrl() ) ) .
-                       '/mw-config/config-cc.css';
-               $iframeUrl = '//creativecommons.org/license/?' .
-                       wfArrayToCgi( array(
-                               'partner' => 'MediaWiki',
-                               'exit_url' => $exitUrl,
-                               'lang' => $this->getVar( '_UserLang' ),
-                               'stylesheet' => $styleUrl,
-                       ) );
-
-               return $iframeUrl;
-       }
-
-       /**
-        * @return string
-        */
-       public function getCCChooser() {
-               $iframeAttribs = array(
-                       'class' => 'config-cc-iframe',
-                       'name' => 'config-cc-iframe',
-                       'id' => 'config-cc-iframe',
-                       'frameborder' => 0,
-                       'width' => '100%',
-                       'height' => '100%',
-               );
-               if ( $this->getVar( '_CCDone' ) ) {
-                       $iframeAttribs['src'] = $this->parent->getUrl( array( 'ShowCC' => 'yes' ) );
-               } else {
-                       $iframeAttribs['src'] = $this->getCCPartnerUrl();
-               }
-               $wrapperStyle = ( $this->getVar( '_LicenseCode' ) == 'cc-choose' ) ? '' : 'display: none';
-
-               return "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"$wrapperStyle\">\n" .
-                       Html::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
-                       "</div>\n";
-       }
-
-       /**
-        * @return string
-        */
-       public function getCCDoneBox() {
-               $js = "parent.document.getElementById('config-cc-wrapper').style.height = '$1';";
-               // If you change this height, also change it in config.css
-               $expandJs = str_replace( '$1', '54em', $js );
-               $reduceJs = str_replace( '$1', '70px', $js );
-
-               return '<p>' .
-                       Html::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
-                       '&#160;&#160;' .
-                       htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
-                       "</p>\n" .
-                       "<p style=\"text-align: center;\">" .
-                       Html::element( 'a',
-                               array(
-                                       'href' => $this->getCCPartnerUrl(),
-                                       'onclick' => $expandJs,
-                               ),
-                               wfMessage( 'config-cc-again' )->text()
-                       ) .
-                       "</p>\n" .
-                       "<script>\n" .
-                       # Reduce the wrapper div height
-                       htmlspecialchars( $reduceJs ) .
-                       "\n" .
-                       "</script>\n";
-       }
-
-       public function submitCC() {
-               $newValues = $this->parent->setVarsFromRequest(
-                       array( 'wgRightsUrl', 'wgRightsText', 'wgRightsIcon' ) );
-               if ( count( $newValues ) != 3 ) {
-                       $this->parent->showError( 'config-cc-error' );
-
-                       return;
-               }
-               $this->setVar( '_CCDone', true );
-               $this->addHTML( $this->getCCDoneBox() );
-       }
-
-       /**
-        * If the user skips this installer page, we still need to set up the default skins, but ignore
-        * everything else.
-        *
-        * @return bool
-        */
-       public function submitSkins() {
-               $skins = $this->parent->findExtensions( 'skins' );
-               $this->parent->setVar( '_Skins', $skins );
-
-               if ( $skins ) {
-                       $skinNames = array_map( 'strtolower', $skins );
-                       $this->parent->setVar( 'wgDefaultSkin', $this->parent->getDefaultSkin( $skinNames ) );
-               }
-
-               return true;
-       }
-
-       /**
-        * @return bool
-        */
-       public function submit() {
-               $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
-                       'wgEnableEmail', 'wgPasswordSender', 'wgEnableUploads', 'wgLogo',
-                       'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
-                       'wgEmailAuthentication', '_MainCacheType', '_MemCachedServers',
-                       'wgUseInstantCommons', 'wgDefaultSkin' ) );
-
-               $retVal = true;
-
-               if ( !array_key_exists( $this->getVar( '_RightsProfile' ), $this->parent->rightsProfiles ) ) {
-                       reset( $this->parent->rightsProfiles );
-                       $this->setVar( '_RightsProfile', key( $this->parent->rightsProfiles ) );
-               }
-
-               $code = $this->getVar( '_LicenseCode' );
-               if ( $code == 'cc-choose' ) {
-                       if ( !$this->getVar( '_CCDone' ) ) {
-                               $this->parent->showError( 'config-cc-not-chosen' );
-                               $retVal = false;
-                       }
-               } elseif ( array_key_exists( $code, $this->parent->licenses ) ) {
-                       // Messages:
-                       // config-license-cc-by, config-license-cc-by-sa, config-license-cc-by-nc-sa,
-                       // config-license-cc-0, config-license-pd, config-license-gfdl, config-license-none,
-                       // config-license-cc-choose
-                       $entry = $this->parent->licenses[$code];
-                       if ( isset( $entry['text'] ) ) {
-                               $this->setVar( 'wgRightsText', $entry['text'] );
-                       } else {
-                               $this->setVar( 'wgRightsText', wfMessage( 'config-license-' . $code )->text() );
-                       }
-                       $this->setVar( 'wgRightsUrl', $entry['url'] );
-                       $this->setVar( 'wgRightsIcon', $entry['icon'] );
-               } else {
-                       $this->setVar( 'wgRightsText', '' );
-                       $this->setVar( 'wgRightsUrl', '' );
-                       $this->setVar( 'wgRightsIcon', '' );
-               }
-
-               $skinsAvailable = $this->parent->findExtensions( 'skins' );
-               $skinsToInstall = array();
-               foreach ( $skinsAvailable as $skin ) {
-                       $this->parent->setVarsFromRequest( array( "skin-$skin" ) );
-                       if ( $this->getVar( "skin-$skin" ) ) {
-                               $skinsToInstall[] = $skin;
-                       }
-               }
-               $this->parent->setVar( '_Skins', $skinsToInstall );
-
-               if ( !$skinsToInstall && $skinsAvailable ) {
-                       $this->parent->showError( 'config-skins-must-enable-some' );
-                       $retVal = false;
-               }
-               $defaultSkin = $this->getVar( 'wgDefaultSkin' );
-               $skinsToInstallLowercase = array_map( 'strtolower', $skinsToInstall );
-               if ( $skinsToInstall && array_search( $defaultSkin, $skinsToInstallLowercase ) === false ) {
-                       $this->parent->showError( 'config-skins-must-enable-default' );
-                       $retVal = false;
-               }
-
-               $extsAvailable = $this->parent->findExtensions();
-               $extsToInstall = array();
-               foreach ( $extsAvailable as $ext ) {
-                       $this->parent->setVarsFromRequest( array( "ext-$ext" ) );
-                       if ( $this->getVar( "ext-$ext" ) ) {
-                               $extsToInstall[] = $ext;
-                       }
-               }
-               $this->parent->setVar( '_Extensions', $extsToInstall );
-
-               if ( $this->getVar( '_MainCacheType' ) == 'memcached' ) {
-                       $memcServers = explode( "\n", $this->getVar( '_MemCachedServers' ) );
-                       if ( !$memcServers ) {
-                               $this->parent->showError( 'config-memcache-needservers' );
-                               $retVal = false;
-                       }
-
-                       foreach ( $memcServers as $server ) {
-                               $memcParts = explode( ":", $server, 2 );
-                               if ( !isset( $memcParts[0] )
-                                       || ( !IP::isValid( $memcParts[0] )
-                                               && ( gethostbyname( $memcParts[0] ) == $memcParts[0] ) )
-                               ) {
-                                       $this->parent->showError( 'config-memcache-badip', $memcParts[0] );
-                                       $retVal = false;
-                               } elseif ( !isset( $memcParts[1] ) ) {
-                                       $this->parent->showError( 'config-memcache-noport', $memcParts[0] );
-                                       $retVal = false;
-                               } elseif ( $memcParts[1] < 1 || $memcParts[1] > 65535 ) {
-                                       $this->parent->showError( 'config-memcache-badport', 1, 65535 );
-                                       $retVal = false;
-                               }
-                       }
-               }
-
-               return $retVal;
-       }
-
-}
-
-class WebInstallerInstall extends WebInstallerPage {
-
-       /**
-        * @return bool Always true.
-        */
-       public function isSlow() {
-               return true;
-       }
-
-       /**
-        * @return string|bool
-        */
-       public function execute() {
-               if ( $this->getVar( '_UpgradeDone' ) ) {
-                       return 'skip';
-               } elseif ( $this->getVar( '_InstallDone' ) ) {
-                       return 'continue';
-               } elseif ( $this->parent->request->wasPosted() ) {
-                       $this->startForm();
-                       $this->addHTML( "<ul>" );
-                       $results = $this->parent->performInstallation(
-                               array( $this, 'startStage' ),
-                               array( $this, 'endStage' )
-                       );
-                       $this->addHTML( "</ul>" );
-                       // PerformInstallation bails on a fatal, so make sure the last item
-                       // completed before giving 'next.' Likewise, only provide back on failure
-                       $lastStep = end( $results );
-                       $continue = $lastStep->isOK() ? 'continue' : false;
-                       $back = $lastStep->isOK() ? false : 'back';
-                       $this->endForm( $continue, $back );
-               } else {
-                       $this->startForm();
-                       $this->addHTML( $this->parent->getInfoBox( wfMessage( 'config-install-begin' )->plain() ) );
-                       $this->endForm();
-               }
-
-               return true;
-       }
-
-       /**
-        * @param string $step
-        */
-       public function startStage( $step ) {
-               // Messages: config-install-database, config-install-tables, config-install-interwiki,
-               // config-install-stats, config-install-keys, config-install-sysop, config-install-mainpage
-               $this->addHTML( "<li>" . wfMessage( "config-install-$step" )->escaped() .
-                       wfMessage( 'ellipsis' )->escaped() );
-
-               if ( $step == 'extension-tables' ) {
-                       $this->startLiveBox();
-               }
-       }
-
-       /**
-        * @param string $step
-        * @param Status $status
-        */
-       public function endStage( $step, $status ) {
-               if ( $step == 'extension-tables' ) {
-                       $this->endLiveBox();
-               }
-               $msg = $status->isOk() ? 'config-install-step-done' : 'config-install-step-failed';
-               $html = wfMessage( 'word-separator' )->escaped() . wfMessage( $msg )->escaped();
-               if ( !$status->isOk() ) {
-                       $html = "<span class=\"error\">$html</span>";
-               }
-               $this->addHTML( $html . "</li>\n" );
-               if ( !$status->isGood() ) {
-                       $this->parent->showStatusBox( $status );
-               }
-       }
-
-}
-
-class WebInstallerComplete extends WebInstallerPage {
-
-       public function execute() {
-               // Pop up a dialog box, to make it difficult for the user to forget
-               // to download the file
-               $lsUrl = $this->getVar( 'wgServer' ) . $this->parent->getURL( array( 'localsettings' => 1 ) );
-               if ( isset( $_SERVER['HTTP_USER_AGENT'] ) &&
-                       strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE' ) !== false
-               ) {
-                       // JS appears to be the only method that works consistently with IE7+
-                       $this->addHtml( "\n<script>jQuery( function () { location.href = " .
-                               Xml::encodeJsVar( $lsUrl ) . "; } );</script>\n" );
-               } else {
-                       $this->parent->request->response()->header( "Refresh: 0;url=$lsUrl" );
-               }
-
-               $this->startForm();
-               $this->parent->disableLinkPopups();
-               $this->addHTML(
-                       $this->parent->getInfoBox(
-                               wfMessage( 'config-install-done',
-                                       $lsUrl,
-                                       $this->getVar( 'wgServer' ) .
-                                       $this->getVar( 'wgScriptPath' ) . '/index.php',
-                                       '<downloadlink/>'
-                               )->plain(), 'tick-32.png'
-                       )
-               );
-               $this->addHTML( $this->parent->getInfoBox(
-                       wfMessage( 'config-extension-link' )->text() ) );
-
-               $this->parent->restoreLinkPopups();
-               $this->endForm( false, false );
-       }
-
-}
-
-class WebInstallerRestart extends WebInstallerPage {
-
-       /**
-        * @return string|null
-        */
-       public function execute() {
-               $r = $this->parent->request;
-               if ( $r->wasPosted() ) {
-                       $really = $r->getVal( 'submit-restart' );
-                       if ( $really ) {
-                               $this->parent->reset();
-                       }
-
-                       return 'continue';
-               }
-
-               $this->startForm();
-               $s = $this->parent->getWarningBox( wfMessage( 'config-help-restart' )->plain() );
-               $this->addHTML( $s );
-               $this->endForm( 'restart' );
-
-               return null;
-       }
-
-}
-
-abstract class WebInstallerDocument extends WebInstallerPage {
-
-       /**
-        * @return string
-        */
-       abstract protected function getFileName();
-
-       public function execute() {
-               $text = $this->getFileContents();
-               $text = InstallDocFormatter::format( $text );
-               $this->parent->output->addWikiText( $text );
-               $this->startForm();
-               $this->endForm( false );
-       }
-
-       /**
-        * @return string
-        */
-       public function getFileContents() {
-               $file = __DIR__ . '/../../' . $this->getFileName();
-               if ( !file_exists( $file ) ) {
-                       return wfMessage( 'config-nofile', $file )->plain();
-               }
-
-               return file_get_contents( $file );
-       }
-
-}
-
-class WebInstallerReadme extends WebInstallerDocument {
-
-       /**
-        * @return string
-        */
-       protected function getFileName() {
-               return 'README';
-       }
-
-}
-
-class WebInstallerReleaseNotes extends WebInstallerDocument {
-
-       /**
-        * @throws MWException
-        * @return string
-        */
-       protected function getFileName() {
-               global $wgVersion;
-
-               if ( !preg_match( '/^(\d+)\.(\d+).*/i', $wgVersion, $result ) ) {
-                       throw new MWException( 'Variable $wgVersion has an invalid value.' );
-               }
-
-               return 'RELEASE-NOTES-' . $result[1] . '.' . $result[2];
-       }
-
-}
-
-class WebInstallerUpgradeDoc extends WebInstallerDocument {
-
-       /**
-        * @return string
-        */
-       protected function getFileName() {
-               return 'UPGRADE';
-       }
-
-}
-
-class WebInstallerCopying extends WebInstallerDocument {
-
-       /**
-        * @return string
-        */
-       protected function getFileName() {
-               return 'COPYING';
-       }
-
-}