Split WebInstallerPage and deriving classes from WebInstaller.php to WebInstallerPage.php
authorJeroen De Dauw <jeroendedauw@users.mediawiki.org>
Mon, 19 Jul 2010 04:05:44 +0000 (04:05 +0000)
committerJeroen De Dauw <jeroendedauw@users.mediawiki.org>
Mon, 19 Jul 2010 04:05:44 +0000 (04:05 +0000)
includes/installer/WebInstaller.php
includes/installer/WebInstallerPage.php [new file with mode: 0644]

index ad4b0d2..ee00bce 100644 (file)
@@ -316,16 +316,18 @@ class WebInstaller extends Installer {
         * Get a WebInstallerPage from the main sequence, by ID.
         */
        public function getPageById( $id ) {
-               $pageName = $this->pageSequence[$id];
-               $pageClass = 'WebInstaller_' . $pageName;
-               return new $pageClass( $this );
+               return $this->getPageByName( $this->pageSequence[$id] );
        }
 
        /**
         * Get a WebInstallerPage by name.
         */
        public function getPageByName( $pageName ) {
+               // Totally lame way to force autoload of WebInstallerPage.php
+               class_exists( 'WebInstallerPage' );
+               
                $pageClass = 'WebInstaller_' . $pageName;
+               
                return new $pageClass( $this );
        }
 
@@ -827,934 +829,3 @@ class WebInstaller extends Installer {
                return $url;
        }
 }
-
-abstract class WebInstallerPage {
-       public function __construct( $parent ) {
-               $this->parent = $parent;
-       }
-
-       public function addHTML( $html ) {
-               $this->parent->output->addHTML( $html );
-       }
-
-       public function startForm() {
-               $this->addHTML(
-                       "<div class=\"config-section\">\n" .
-                       Xml::openElement(
-                               'form',
-                               array(
-                                       'method' => 'post',
-                                       'action' => $this->parent->getUrl( array( 'page' => $this->getName() ) )
-                               )
-                       ) . "\n"
-               );
-       }
-
-       public function endForm( $continue = 'continue' ) {
-               $this->parent->output->outputWarnings();
-               $s = "<div class=\"config-submit\">\n";
-               $id = $this->getId();
-               if ( $id === false ) {
-                       $s .= Xml::hidden( 'lastPage', $this->parent->request->getVal( 'lastPage' ) );
-               }
-               if ( $continue ) {
-                       // Fake submit button for enter keypress
-                       $s .= Xml::submitButton( wfMsg( "config-$continue" ),
-                               array( 'name' => "enter-$continue", 'style' => 'display:none' ) ) . "\n";
-               }
-               if ( $id !== 0 ) {
-                       $s .= Xml::submitButton( wfMsg( 'config-back' ),
-                               array(
-                                       'name' => 'submit-back',
-                                       'tabindex' => $this->parent->nextTabIndex()
-                               ) ) . "\n";
-               }
-               if ( $continue ) {
-                       $s .= Xml::submitButton( wfMsg( "config-$continue" ),
-                               array(
-                                       'name' => "submit-$continue",
-                                       'tabindex' => $this->parent->nextTabIndex(),
-                               ) ) . "\n";
-               }
-               $s .= "</div></form></div>\n";
-               $this->addHTML( $s );
-       }
-
-       public function getName() {
-               return str_replace( 'WebInstaller_', '', get_class( $this ) );
-       }
-
-       public function getId() {
-               return array_search( $this->getName(), $this->parent->pageSequence );
-       }
-
-       public abstract function execute();
-
-       public function getVar( $var ) {
-               return $this->parent->getVar( $var );
-       }
-
-       public function setVar( $name, $value ) {
-               $this->parent->setVar( $name, $value );
-       }
-}
-
-class WebInstaller_Language extends WebInstallerPage {
-       function execute() {
-               global $wgLang;
-               $r = $this->parent->request;
-               $userLang = $r->getVal( 'UserLang' );
-               $contLang = $r->getVal( 'ContLang' );
-
-               $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
-               if ( !$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 {
-                               $languages = Language::getLanguageNames();
-                               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 =
-                       Xml::hidden( 'LanguageRequestTime', time() ) .
-                       $this->getLanguageSelector( 'UserLang', '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();
-       }
-
-       /**
-        * Get a <select> for selecting languages
-        */
-       function getLanguageSelector( $name, $label, $selectedCode ) {
-               global $wgDummyLanguageCodes;
-               $s = Xml::openElement( 'select', array( 'id' => $name, 'name' => $name ) ) . "\n";
-
-               $languages = Language::getLanguageNames();
-               ksort( $languages );
-               $dummies = array_flip( $wgDummyLanguageCodes );
-               foreach ( $languages as $code => $lang ) {
-                       if ( isset( $dummies[$code] ) ) continue;
-                       $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
-               }
-               $s .= "\n</select>\n";
-               return $this->parent->label( $label, $name, $s );
-       }
-}
-
-class WebInstaller_Welcome extends WebInstallerPage {
-       function execute() {
-               if ( $this->parent->request->wasPosted() ) {
-                       if ( $this->getVar( '_Environment' ) ) {
-                               return 'continue';
-                       }
-               }
-               $this->parent->output->addWikiText( wfMsgNoTrans( 'config-welcome' ) );
-               $status = $this->parent->doEnvironmentChecks();
-               if ( $status ) {
-                       $this->parent->output->addWikiText( wfMsgNoTrans( 'config-copyright', wfMsg( 'config-authors' ) ) );
-                       $this->startForm();
-                       $this->endForm();
-               }
-       }
-}
-
-class WebInstaller_DBConnect extends WebInstallerPage {
-       function execute() {
-               $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' );
-               foreach ( $this->parent->getVar( '_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";
-
-                       $settings .=
-                               Xml::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type, 'class' => 'dbWrapper' ) ) .
-                               Xml::element( 'h3', array(), wfMsg( 'config-header-' . $type ) ) .
-                               $installer->getConnectForm() .
-                               "</div>\n";
-               }
-               $types .= "</ul><br clear=\"left\"/>\n";
-
-               $this->addHTML(
-                       $this->parent->label( 'config-db-type', false, $types ) .
-                       $settings
-               );
-
-               $this->endForm();
-       }
-
-       function submit() {
-               $r = $this->parent->request;
-               $type = $r->getVal( 'DBType' );
-               $this->setVar( 'wgDBtype', $type );
-               $installer = $this->parent->getDBInstaller( $type );
-               if ( !$installer ) {
-                       return Status::newFatal( 'config-invalid-db-type' );
-               }
-               return $installer->submitConnectForm();
-       }
-}
-
-class WebInstaller_Upgrade extends WebInstallerPage {
-       function execute() {
-               if ( $this->getVar( '_UpgradeDone' ) ) {
-                       if ( $this->parent->request->wasPosted() ) {
-                               // 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() ) {
-                       $this->addHTML(
-                               '<div id="config-spinner" style="display:none;"><img src="../skins/common/images/ajax-loader.gif" /></div>' .
-                               '<script>jQuery( "#config-spinner" )[0].style.display = "block";</script>' .
-                               '<textarea id="config-update-log" name="UpdateLog" rows="10" readonly="readonly">'
-                       );
-                       $this->parent->output->flush();
-                       $result = $installer->doUpgrade();
-                       $this->addHTML( '</textarea>
-<script>jQuery( "#config-spinner" )[0].style.display = "none";</script>' );
-                       $this->parent->output->flush();
-                       if ( $result ) {
-                               $this->setVar( '_UpgradeDone', true );
-                               $this->showDoneMessage();
-                               return 'output';
-                       }
-               }
-
-               $this->startForm();
-               $this->addHTML( $this->parent->getInfoBox(
-                       wfMsgNoTrans( 'config-can-upgrade', $GLOBALS['wgVersion'] ) ) );
-               $this->endForm();
-       }
-
-       function showDoneMessage() {
-               $this->startForm();
-               $this->addHTML(
-                       $this->parent->getInfoBox(
-                               wfMsgNoTrans( 'config-upgrade-done',
-                                       $GLOBALS['wgServer'] .
-                                               $this->getVar( 'wgScriptPath' ) . '/index' .
-                                               $this->getVar( 'wgScriptExtension' )
-                               ), 'tick-32.png'
-                       )
-               );
-               $this->endForm( 'regenerate' );
-       }
-}
-
-class WebInstaller_DBSettings extends WebInstallerPage {
-       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();
-       }
-
-}
-
-class WebInstaller_Name extends WebInstallerPage {
-       function execute() {
-               $r = $this->parent->request;
-               if ( $r->wasPosted() ) {
-                       if ( $this->submit() ) {
-                               return 'continue';
-                       }
-               }
-
-               $this->startForm();
-
-               if ( $this->getVar( 'wgSitename' ) == $GLOBALS['wgSitename'] ) {
-                       $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', wfMsgForContent( 'config-ns-other-default' ) );
-
-               $this->addHTML(
-                       $this->parent->getTextBox( array(
-                               'var' => 'wgSitename',
-                               'label' => 'config-site-name',
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-site-name-help' ) .
-                       $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' ),
-                       ) ) .
-                       $this->parent->getTextBox( array(
-                               'var' => 'wgMetaNamespace',
-                               'label' => '',
-                               'attribs' => array( 'disabled' => '' ),
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-project-namespace-help' ) .
-                       $this->parent->getFieldsetStart( 'config-admin-box' ) .
-                       $this->parent->getTextBox( array(
-                               'var' => '_AdminName',
-                               'label' => 'config-admin-name'
-                       ) ) .
-                       $this->parent->getPasswordBox( array(
-                               'var' => '_AdminPassword',
-                               'label' => 'config-admin-password',
-                       ) ) .
-                       $this->parent->getPasswordBox( array(
-                               'var' => '_AdminPassword2',
-                               'label' => 'config-admin-password-confirm'
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-admin-help' ) .
-                       $this->parent->getTextBox( array(
-                               'var' => '_AdminEmail',
-                               'label' => 'config-admin-email'
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-admin-email-help' ) .
-                       $this->parent->getCheckBox( array(
-                               'var' => '_Subscribe',
-                               'label' => 'config-subscribe'
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-subscribe-help' ) .
-                       $this->parent->getFieldsetEnd() .
-                       $this->parent->getInfoBox( wfMsg( 'config-almost-done' ) ) .
-                       $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';
-       }
-
-       function submit() {
-               $retVal = true;
-               $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
-                       '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
-                       '_Subscribe', '_SkipOptional' ) );
-
-               // 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 = wfMsg( 'config-ns-generic' );
-               } 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' ? true : false;
-                       } else {
-                               $name = $title->getDBkey();
-                               $good = true;
-                       }
-               }
-               if ( !$good ) {
-                       $this->parent->showError( 'config-ns-invalid', $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 );
-               $valid = $user->getPasswordValidity( $pwd );
-               if ( strval( $pwd ) === '' ) {
-                       # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
-                       # This message is more specific and helpful.
-                       $msg = 'config-admin-password-blank';
-               } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
-                       $msg = 'config-admin-password-mismatch';
-               } elseif ( $valid !== true ) {
-                       # As of writing this will only catch the username being e.g. 'FOO' and
-                       # the password 'foo'
-                       $msg = $valid;
-               }
-               if ( $msg !== false ) {
-                       $this->parent->showError( $msg );
-                       $this->setVar( '_AdminPassword', '' );
-                       $this->setVar( '_AdminPassword2', '' );
-                       $retVal = false;
-               }
-               return $retVal;
-       }
-}
-
-class WebInstaller_Options extends WebInstallerPage {
-       function execute() {
-               if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
-                       return 'skip';
-               }
-               if ( $this->parent->request->wasPosted() ) {
-                       if ( $this->submit() ) {
-                               return 'continue';
-                       }
-               }
-
-               $this->startForm();
-               $this->addHTML(
-                       # User Rights
-                       $this->parent->getRadioSet( array(
-                               'var' => '_RightsProfile',
-                               'label' => 'config-profile',
-                               'itemLabelPrefix' => 'config-profile-',
-                               'values' => array_keys( $this->parent->rightsProfiles ),
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-profile-help' ) .
-
-                       # Licensing
-                       $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->parent->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\">" .
-                       $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->parent->getFieldsetEnd()
-               );
-
-               $extensions = $this->parent->findExtensions();
-               if( $extensions ) {
-                       $extHtml = $this->parent->getFieldsetStart( 'config-extensions' );
-                       foreach( array_keys($extensions) as $ext ) {
-                               $extHtml .= $this->parent->getCheckBox( array(
-                                       'var' => "ext-$ext",
-                                       'rawtext' => $ext,
-                               ) );
-                       }
-                       $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
-                               $this->parent->getFieldsetEnd();
-                       $this->addHTML( $extHtml );
-               }
-
-               $this->addHTML(
-                       # Uploading
-                       $this->parent->getFieldsetStart( 'config-upload-settings' ) .
-                       $this->parent->getCheckBox( array( 
-                               'var' => 'wgEnableUploads',
-                               'label' => 'config-upload-enable',
-                               'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-upload-help' ) .
-                       '<div id="uploadwrapper" style="display: none;">' .
-                       $this->parent->getTextBox( array( 
-                               'var' => 'wgDeletedDirectory',
-                               'label' => 'config-upload-deleted',
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-upload-deleted-help' ) .
-                       '</div>' .
-                       $this->parent->getTextBox( array(
-                               'var' => 'wgLogo',
-                               'label' => 'config-logo'
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-logo-help' )
-               );
-               $canUse = $this->getVar( '_ExternalHTTP' ) ?
-                       'config-instantcommons-good' : 'config-instantcommons-bad';
-               $this->addHTML(
-                       $this->parent->getCheckBox( array(
-                               'var' => 'wgUseInstantCommons',
-                               'label' => 'config-instantcommons',
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-instantcommons-help', wfMsgNoTrans( $canUse ) ) .
-                       $this->parent->getFieldsetEnd()
-               );
-
-               $caches = array( 'none' );
-               if( count( $this->getVar( '_Caches' ) ) ) {
-                       $caches[] = 'accel';
-               }
-               $caches[] = 'memcached';
-
-               $this->addHTML(
-                       # Advanced settings
-                       $this->parent->getFieldsetStart( 'config-advanced-settings' ) .
-                       # Object cache settings
-                       $this->parent->getRadioSet( array(
-                               'var' => 'wgMainCacheType',
-                               'label' => 'config-cache-options',
-                               'itemLabelPrefix' => 'config-cache-',
-                               'values' => $caches,
-                               'value' => 'none',
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-cache-help' ) .
-                       '<div id="config-memcachewrapper">' .
-                       $this->parent->getTextBox( array(
-                               'var' => '_MemCachedServers',
-                               'label' => 'config-memcached-servers',
-                       ) ) .
-                       $this->parent->getHelpBox( 'config-memcached-help' ) . '</div>' .
-                       $this->parent->getFieldsetEnd()
-               );
-               $this->endForm();
-       }
-
-       function getCCPartnerUrl() {
-               global $wgServer;
-               $exitUrl = $wgServer . $this->parent->getUrl( array(
-                       'page' => 'Options',
-                       'SubmitCC' => 'indeed',
-                       'config__LicenseCode' => 'cc',
-                       'config_wgRightsUrl' => '[license_url]',
-                       'config_wgRightsText' => '[license_name]',
-                       'config_wgRightsIcon' => '[license_button]',
-               ) );
-               $styleUrl = $wgServer . dirname( dirname( $this->parent->getUrl() ) ) .
-                       '/skins/common/config-cc.css';
-               $iframeUrl = 'http://creativecommons.org/license/?' .
-                       wfArrayToCGI( array(
-                               'partner' => 'MediaWiki',
-                               'exit_url' => $exitUrl,
-                               'lang' => $this->getVar( '_UserLang' ),
-                               'stylesheet' => $styleUrl,
-                       ) );
-               return $iframeUrl;
-       }
-
-       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();
-               }
-
-               return
-                       "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"display: none;\">\n" .
-                       Xml::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
-                       "</div>\n";
-       }
-
-       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>'.
-                       Xml::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
-                       '&#160;&#160;' .
-                       htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
-                       "</p>\n" .
-                       "<p style=\"text-align: center\">" .
-                       Xml::element( 'a',
-                               array(
-                                       'href' => $this->getCCPartnerUrl(),
-                                       'onclick' => $expandJs,
-                               ),
-                               wfMsg( 'config-cc-again' )
-                       ) .
-                       "</p>\n" .
-                       "<script type=\"text/javascript\">\n" .
-                       # Reduce the wrapper div height
-                       htmlspecialchars( $reduceJs ) .
-                       "\n" .
-                       "</script>\n";
-       }
-
-
-       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() );
-       }
-
-       function submit() {
-               $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
-                       'wgEnableEmail', 'wgPasswordSender', 'wgEnableUpload', 'wgLogo',
-                       'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
-                       'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
-                       'wgUseInstantCommons' ) );
-
-               if ( !in_array( $this->getVar( '_RightsProfile' ),
-                       array_keys( $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' );
-                               return false;
-                       }
-               } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
-                       $entry = $this->parent->licenses[$code];
-                       if ( isset( $entry['text'] ) ) {
-                               $this->setVar( 'wgRightsText', $entry['text'] );
-                       } else {
-                               $this->setVar( 'wgRightsText', wfMsg( 'config-license-' . $code ) );
-                       }
-                       $this->setVar( 'wgRightsUrl', $entry['url'] );
-                       $this->setVar( 'wgRightsIcon', $entry['icon'] );
-               } else {
-                       $this->setVar( 'wgRightsText', '' );
-                       $this->setVar( 'wgRightsUrl', '' );
-                       $this->setVar( 'wgRightsIcon', '' );
-               }
-
-               $exts = $this->parent->getVar( '_Extensions' );
-               foreach( $exts as $key => $ext ) {
-                       if( !$this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
-                               unset( $exts[$key] );
-                       }
-               }
-               $this->parent->setVar( '_Extensions', $exts );
-               return true;
-       }
-}
-
-class WebInstaller_Install extends WebInstallerPage {
-
-       function execute() {
-               if( $this->parent->request->wasPosted() ) {
-                       return 'continue';
-               } elseif( $this->getVar( '_InstallDone' ) ) {
-                       $this->startForm();
-                       $status = new Status();
-                       $status->warning( 'config-install-alreadydone' );
-                       $this->parent->showStatusBox( $status );
-               } else {
-                       $this->startForm();
-                       $this->addHTML("<ul>");
-                       $this->parent->performInstallation(
-                               array( $this, 'startStage'),
-                               array( $this, 'endStage' )
-                       );
-                       $this->addHTML("</ul>");
-               }
-               $this->endForm();
-               return true;
-       }
-
-       public function startStage( $step ) {
-               $this->addHTML( "<li>" . wfMsgHtml( "config-install-$step" ) . wfMsg( 'ellipsis') );
-       }
-
-       public function endStage( $step, $status ) {
-               $success = $status->isGood();
-               $msg = $success ? 'config-install-step-done' : 'config-install-step-failed';
-               $html = wfMsgHtml( 'word-separator' ) . wfMsgHtml( $msg );
-               if ( !$success ) {
-                       $html = "<span class=\"error\">$html</span>";
-               }
-               $this->addHTML( $html . "</li>\n" );
-               if( !$success ) {
-                       $this->parent->showStatusBox( $status );
-               }
-       }
-}
-
-class WebInstaller_Complete extends WebInstallerPage {
-       public function execute() {
-               global $IP;
-               $this->startForm();
-               $this->addHTML(
-                       $this->parent->getInfoBox(
-                               wfMsgNoTrans( 'config-install-done',
-                                       $GLOBALS['wgServer'] . $this->parent->getURL( array( 'localsettings' => 1 ) ),
-                                       $GLOBALS['wgServer'] .
-                                               $this->getVar( 'wgScriptPath' ) . '/index' .
-                                               $this->getVar( 'wgScriptExtension' )
-                               ), 'tick-32.png'
-                       )
-               );
-               $this->endForm( false );
-       }
-}
-
-class WebInstaller_Restart extends WebInstallerPage {
-       function execute() {
-               $r = $this->parent->request;
-               if ( $r->wasPosted() ) {
-                       $really = $r->getVal( 'submit-restart' );
-                       if ( $really ) {
-                               $this->parent->session = array();
-                               $this->parent->happyPages = array();
-                               $this->parent->settings = array();
-                       }
-                       return 'continue';
-               }
-
-               $this->startForm();
-               $s = $this->parent->getWarningBox( wfMsgNoTrans( 'config-help-restart' ) );
-               $this->addHTML( $s );
-               $this->endForm( 'restart' );
-       }
-}
-
-abstract class WebInstaller_Document extends WebInstallerPage {
-       abstract function getFileName();
-
-       function execute() {
-               $text = $this->getFileContents();
-               $this->parent->output->addWikiText( $text );
-               $this->startForm();
-               $this->endForm( false );
-       }
-
-       function getFileContents() {
-               return file_get_contents( dirname( __FILE__ ) . '/../../' . $this->getFileName() );
-       }
-
-       protected function formatTextFile( $text ) {
-               $text = str_replace( array( '<', '{{', '[[' ),
-                       array( '&lt;', '&#123;&#123;', '&#91;&#91;' ), $text );
-               // replace numbering with [1], [2], etc with MW-style numbering
-               $text = preg_replace( "/\r?\n(\r?\n)?\\[\\d+\\]/m", "\\1#", $text );
-               // join word-wrapped lines into one
-               do {
-                       $prev = $text;
-                       $text = preg_replace( "/\n([\\*#])([^\r\n]*?)\r?\n([^\r\n#\\*:]+)/", "\n\\1\\2 \\3", $text );
-               } while ( $text != $prev );
-               // turn (bug nnnn) into links
-               $text = preg_replace_callback('/bug (\d+)/', array( $this, 'replaceBugLinks' ), $text );
-               // add links to manual to every global variable mentioned
-               $text = preg_replace_callback('/(\$wg[a-z0-9_]+)/i', array( $this, 'replaceConfigLinks' ), $text );
-               // special case for <pre> - formatted links
-               do {
-                       $prev = $text;
-                       $text = preg_replace( '/^([^\\s].*?)\r?\n[\\s]+(https?:\/\/)/m', "\\1\n:\\2", $text );
-               } while ( $text != $prev );
-               return $text;
-       }
-
-       private function replaceBugLinks( $matches ) {
-               return '<span class="config-plainlink">[https://bugzilla.wikimedia.org/' .
-                       $matches[1] . ' bug ' . $matches[1] . ']</span>';
-       }
-
-       private function replaceConfigLinks( $matches ) {
-               return '<span class="config-plainlink">[http://www.mediawiki.org/wiki/Manual:' .
-                       $matches[1] . ' ' . $matches[1] . ']</span>';
-       }
-}
-
-class WebInstaller_Readme extends WebInstaller_Document {
-       function getFileName() { return 'README'; }
-
-       function getFileContents() {
-               return $this->formatTextFile( parent::getFileContents() );
-       }
-}
-
-class WebInstaller_ReleaseNotes extends WebInstaller_Document {
-       function getFileName() { return 'RELEASE-NOTES'; }
-
-       function getFileContents() {
-               return $this->formatTextFile( parent::getFileContents() );
-       }
-}
-
-class WebInstaller_UpgradeDoc extends WebInstaller_Document {
-       function getFileName() { return 'UPGRADE'; }
-
-       function getFileContents() {
-               return $this->formatTextFile( parent::getFileContents() );
-       }
-}
-
-class WebInstaller_Copying extends WebInstaller_Document {
-       function getFileName() { return 'COPYING'; }
-
-       function getFileContents() {
-               $text = parent::getFileContents();
-               $text = str_replace( "\x0C", '', $text );
-               $text = preg_replace_callback( '/\n[ \t]+/m', array( 'WebInstaller_Copying', 'replaceLeadingSpaces' ), $text );
-               $text = '<tt>' . nl2br( $text ) . '</tt>';
-               return $text;
-       }
-
-       private static function replaceLeadingSpaces( $matches ) {
-               return "\n" . str_repeat( '&#160;', strlen( $matches[0] ) );
-       }
-}
\ No newline at end of file
diff --git a/includes/installer/WebInstallerPage.php b/includes/installer/WebInstallerPage.php
new file mode 100644 (file)
index 0000000..08a12ab
--- /dev/null
@@ -0,0 +1,938 @@
+<?php
+
+/**
+ * Abstract class to define pages for the web installer.
+ */
+abstract class WebInstallerPage {
+       
+       public abstract function execute();
+       
+       public function __construct( $parent ) {
+               // TODO: This field is not defined??
+               $this->parent = $parent;
+       }
+
+       public function addHTML( $html ) {
+               $this->parent->output->addHTML( $html );
+       }
+
+       public function startForm() {
+               $this->addHTML(
+                       "<div class=\"config-section\">\n" .
+                       Xml::openElement(
+                               'form',
+                               array(
+                                       'method' => 'post',
+                                       'action' => $this->parent->getUrl( array( 'page' => $this->getName() ) )
+                               )
+                       ) . "\n"
+               );
+       }
+
+       public function endForm( $continue = 'continue' ) {
+               $this->parent->output->outputWarnings();
+               $s = "<div class=\"config-submit\">\n";
+               $id = $this->getId();
+               if ( $id === false ) {
+                       $s .= Xml::hidden( 'lastPage', $this->parent->request->getVal( 'lastPage' ) );
+               }
+               if ( $continue ) {
+                       // Fake submit button for enter keypress
+                       $s .= Xml::submitButton( wfMsg( "config-$continue" ),
+                               array( 'name' => "enter-$continue", 'style' => 'display:none' ) ) . "\n";
+               }
+               if ( $id !== 0 ) {
+                       $s .= Xml::submitButton( wfMsg( 'config-back' ),
+                               array(
+                                       'name' => 'submit-back',
+                                       'tabindex' => $this->parent->nextTabIndex()
+                               ) ) . "\n";
+               }
+               if ( $continue ) {
+                       $s .= Xml::submitButton( wfMsg( "config-$continue" ),
+                               array(
+                                       'name' => "submit-$continue",
+                                       'tabindex' => $this->parent->nextTabIndex(),
+                               ) ) . "\n";
+               }
+               $s .= "</div></form></div>\n";
+               $this->addHTML( $s );
+       }
+
+       public function getName() {
+               return str_replace( 'WebInstaller_', '', get_class( $this ) );
+       }
+
+       public function getId() {
+               return array_search( $this->getName(), $this->parent->pageSequence );
+       }
+
+       public function getVar( $var ) {
+               return $this->parent->getVar( $var );
+       }
+
+       public function setVar( $name, $value ) {
+               $this->parent->setVar( $name, $value );
+       }
+       
+}
+
+class WebInstaller_Language extends WebInstallerPage {
+       function execute() {
+               global $wgLang;
+               $r = $this->parent->request;
+               $userLang = $r->getVal( 'UserLang' );
+               $contLang = $r->getVal( 'ContLang' );
+
+               $lifetime = intval( ini_get( 'session.gc_maxlifetime' ) );
+               if ( !$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 {
+                               $languages = Language::getLanguageNames();
+                               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 =
+                       Xml::hidden( 'LanguageRequestTime', time() ) .
+                       $this->getLanguageSelector( 'UserLang', '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();
+       }
+
+       /**
+        * Get a <select> for selecting languages
+        */
+       function getLanguageSelector( $name, $label, $selectedCode ) {
+               global $wgDummyLanguageCodes;
+               $s = Xml::openElement( 'select', array( 'id' => $name, 'name' => $name ) ) . "\n";
+
+               $languages = Language::getLanguageNames();
+               ksort( $languages );
+               $dummies = array_flip( $wgDummyLanguageCodes );
+               foreach ( $languages as $code => $lang ) {
+                       if ( isset( $dummies[$code] ) ) continue;
+                       $s .= "\n" . Xml::option( "$code - $lang", $code, $code == $selectedCode );
+               }
+               $s .= "\n</select>\n";
+               return $this->parent->label( $label, $name, $s );
+       }
+}
+
+class WebInstaller_Welcome extends WebInstallerPage {
+       function execute() {
+               if ( $this->parent->request->wasPosted() ) {
+                       if ( $this->getVar( '_Environment' ) ) {
+                               return 'continue';
+                       }
+               }
+               $this->parent->output->addWikiText( wfMsgNoTrans( 'config-welcome' ) );
+               $status = $this->parent->doEnvironmentChecks();
+               if ( $status ) {
+                       $this->parent->output->addWikiText( wfMsgNoTrans( 'config-copyright', wfMsg( 'config-authors' ) ) );
+                       $this->startForm();
+                       $this->endForm();
+               }
+       }
+}
+
+class WebInstaller_DBConnect extends WebInstallerPage {
+       function execute() {
+               $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' );
+               foreach ( $this->parent->getVar( '_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";
+
+                       $settings .=
+                               Xml::openElement( 'div', array( 'id' => 'DB_wrapper_' . $type, 'class' => 'dbWrapper' ) ) .
+                               Xml::element( 'h3', array(), wfMsg( 'config-header-' . $type ) ) .
+                               $installer->getConnectForm() .
+                               "</div>\n";
+               }
+               $types .= "</ul><br clear=\"left\"/>\n";
+
+               $this->addHTML(
+                       $this->parent->label( 'config-db-type', false, $types ) .
+                       $settings
+               );
+
+               $this->endForm();
+       }
+
+       function submit() {
+               $r = $this->parent->request;
+               $type = $r->getVal( 'DBType' );
+               $this->setVar( 'wgDBtype', $type );
+               $installer = $this->parent->getDBInstaller( $type );
+               if ( !$installer ) {
+                       return Status::newFatal( 'config-invalid-db-type' );
+               }
+               return $installer->submitConnectForm();
+       }
+}
+
+class WebInstaller_Upgrade extends WebInstallerPage {
+       function execute() {
+               if ( $this->getVar( '_UpgradeDone' ) ) {
+                       if ( $this->parent->request->wasPosted() ) {
+                               // 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() ) {
+                       $this->addHTML(
+                               '<div id="config-spinner" style="display:none;"><img src="../skins/common/images/ajax-loader.gif" /></div>' .
+                               '<script>jQuery( "#config-spinner" )[0].style.display = "block";</script>' .
+                               '<textarea id="config-update-log" name="UpdateLog" rows="10" readonly="readonly">'
+                       );
+                       $this->parent->output->flush();
+                       $result = $installer->doUpgrade();
+                       $this->addHTML( '</textarea>
+<script>jQuery( "#config-spinner" )[0].style.display = "none";</script>' );
+                       $this->parent->output->flush();
+                       if ( $result ) {
+                               $this->setVar( '_UpgradeDone', true );
+                               $this->showDoneMessage();
+                               return 'output';
+                       }
+               }
+
+               $this->startForm();
+               $this->addHTML( $this->parent->getInfoBox(
+                       wfMsgNoTrans( 'config-can-upgrade', $GLOBALS['wgVersion'] ) ) );
+               $this->endForm();
+       }
+
+       function showDoneMessage() {
+               $this->startForm();
+               $this->addHTML(
+                       $this->parent->getInfoBox(
+                               wfMsgNoTrans( 'config-upgrade-done',
+                                       $GLOBALS['wgServer'] .
+                                               $this->getVar( 'wgScriptPath' ) . '/index' .
+                                               $this->getVar( 'wgScriptExtension' )
+                               ), 'tick-32.png'
+                       )
+               );
+               $this->endForm( 'regenerate' );
+       }
+}
+
+class WebInstaller_DBSettings extends WebInstallerPage {
+       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();
+       }
+
+}
+
+class WebInstaller_Name extends WebInstallerPage {
+       function execute() {
+               $r = $this->parent->request;
+               if ( $r->wasPosted() ) {
+                       if ( $this->submit() ) {
+                               return 'continue';
+                       }
+               }
+
+               $this->startForm();
+
+               if ( $this->getVar( 'wgSitename' ) == $GLOBALS['wgSitename'] ) {
+                       $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', wfMsgForContent( 'config-ns-other-default' ) );
+
+               $this->addHTML(
+                       $this->parent->getTextBox( array(
+                               'var' => 'wgSitename',
+                               'label' => 'config-site-name',
+                       ) ) .
+                       $this->parent->getHelpBox( 'config-site-name-help' ) .
+                       $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' ),
+                       ) ) .
+                       $this->parent->getTextBox( array(
+                               'var' => 'wgMetaNamespace',
+                               'label' => '',
+                               'attribs' => array( 'disabled' => '' ),
+                       ) ) .
+                       $this->parent->getHelpBox( 'config-project-namespace-help' ) .
+                       $this->parent->getFieldsetStart( 'config-admin-box' ) .
+                       $this->parent->getTextBox( array(
+                               'var' => '_AdminName',
+                               'label' => 'config-admin-name'
+                       ) ) .
+                       $this->parent->getPasswordBox( array(
+                               'var' => '_AdminPassword',
+                               'label' => 'config-admin-password',
+                       ) ) .
+                       $this->parent->getPasswordBox( array(
+                               'var' => '_AdminPassword2',
+                               'label' => 'config-admin-password-confirm'
+                       ) ) .
+                       $this->parent->getHelpBox( 'config-admin-help' ) .
+                       $this->parent->getTextBox( array(
+                               'var' => '_AdminEmail',
+                               'label' => 'config-admin-email'
+                       ) ) .
+                       $this->parent->getHelpBox( 'config-admin-email-help' ) .
+                       $this->parent->getCheckBox( array(
+                               'var' => '_Subscribe',
+                               'label' => 'config-subscribe'
+                       ) ) .
+                       $this->parent->getHelpBox( 'config-subscribe-help' ) .
+                       $this->parent->getFieldsetEnd() .
+                       $this->parent->getInfoBox( wfMsg( 'config-almost-done' ) ) .
+                       $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';
+       }
+
+       function submit() {
+               $retVal = true;
+               $this->parent->setVarsFromRequest( array( 'wgSitename', '_NamespaceType',
+                       '_AdminName', '_AdminPassword', '_AdminPassword2', '_AdminEmail',
+                       '_Subscribe', '_SkipOptional' ) );
+
+               // 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 = wfMsg( 'config-ns-generic' );
+               } 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' ? true : false;
+                       } else {
+                               $name = $title->getDBkey();
+                               $good = true;
+                       }
+               }
+               if ( !$good ) {
+                       $this->parent->showError( 'config-ns-invalid', $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 );
+               $valid = $user->getPasswordValidity( $pwd );
+               if ( strval( $pwd ) === '' ) {
+                       # $user->getPasswordValidity just checks for $wgMinimalPasswordLength.
+                       # This message is more specific and helpful.
+                       $msg = 'config-admin-password-blank';
+               } elseif ( $pwd !== $this->getVar( '_AdminPassword2' ) ) {
+                       $msg = 'config-admin-password-mismatch';
+               } elseif ( $valid !== true ) {
+                       # As of writing this will only catch the username being e.g. 'FOO' and
+                       # the password 'foo'
+                       $msg = $valid;
+               }
+               if ( $msg !== false ) {
+                       $this->parent->showError( $msg );
+                       $this->setVar( '_AdminPassword', '' );
+                       $this->setVar( '_AdminPassword2', '' );
+                       $retVal = false;
+               }
+               return $retVal;
+       }
+}
+
+class WebInstaller_Options extends WebInstallerPage {
+       function execute() {
+               if ( $this->getVar( '_SkipOptional' ) == 'skip' ) {
+                       return 'skip';
+               }
+               if ( $this->parent->request->wasPosted() ) {
+                       if ( $this->submit() ) {
+                               return 'continue';
+                       }
+               }
+
+               $this->startForm();
+               $this->addHTML(
+                       # User Rights
+                       $this->parent->getRadioSet( array(
+                               'var' => '_RightsProfile',
+                               'label' => 'config-profile',
+                               'itemLabelPrefix' => 'config-profile-',
+                               'values' => array_keys( $this->parent->rightsProfiles ),
+                       ) ) .
+                       $this->parent->getHelpBox( 'config-profile-help' ) .
+
+                       # Licensing
+                       $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->parent->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\">" .
+                       $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->parent->getFieldsetEnd()
+               );
+
+               $extensions = $this->parent->findExtensions();
+               if( $extensions ) {
+                       $extHtml = $this->parent->getFieldsetStart( 'config-extensions' );
+                       foreach( array_keys($extensions) as $ext ) {
+                               $extHtml .= $this->parent->getCheckBox( array(
+                                       'var' => "ext-$ext",
+                                       'rawtext' => $ext,
+                               ) );
+                       }
+                       $extHtml .= $this->parent->getHelpBox( 'config-extensions-help' ) .
+                               $this->parent->getFieldsetEnd();
+                       $this->addHTML( $extHtml );
+               }
+
+               $this->addHTML(
+                       # Uploading
+                       $this->parent->getFieldsetStart( 'config-upload-settings' ) .
+                       $this->parent->getCheckBox( array( 
+                               'var' => 'wgEnableUploads',
+                               'label' => 'config-upload-enable',
+                               'attribs' => array( 'class' => 'showHideRadio', 'rel' => 'uploadwrapper' ),
+                       ) ) .
+                       $this->parent->getHelpBox( 'config-upload-help' ) .
+                       '<div id="uploadwrapper" style="display: none;">' .
+                       $this->parent->getTextBox( array( 
+                               'var' => 'wgDeletedDirectory',
+                               'label' => 'config-upload-deleted',
+                       ) ) .
+                       $this->parent->getHelpBox( 'config-upload-deleted-help' ) .
+                       '</div>' .
+                       $this->parent->getTextBox( array(
+                               'var' => 'wgLogo',
+                               'label' => 'config-logo'
+                       ) ) .
+                       $this->parent->getHelpBox( 'config-logo-help' )
+               );
+               $canUse = $this->getVar( '_ExternalHTTP' ) ?
+                       'config-instantcommons-good' : 'config-instantcommons-bad';
+               $this->addHTML(
+                       $this->parent->getCheckBox( array(
+                               'var' => 'wgUseInstantCommons',
+                               'label' => 'config-instantcommons',
+                       ) ) .
+                       $this->parent->getHelpBox( 'config-instantcommons-help', wfMsgNoTrans( $canUse ) ) .
+                       $this->parent->getFieldsetEnd()
+               );
+
+               $caches = array( 'none' );
+               if( count( $this->getVar( '_Caches' ) ) ) {
+                       $caches[] = 'accel';
+               }
+               $caches[] = 'memcached';
+
+               $this->addHTML(
+                       # Advanced settings
+                       $this->parent->getFieldsetStart( 'config-advanced-settings' ) .
+                       # Object cache settings
+                       $this->parent->getRadioSet( array(
+                               'var' => 'wgMainCacheType',
+                               'label' => 'config-cache-options',
+                               'itemLabelPrefix' => 'config-cache-',
+                               'values' => $caches,
+                               'value' => 'none',
+                       ) ) .
+                       $this->parent->getHelpBox( 'config-cache-help' ) .
+                       '<div id="config-memcachewrapper">' .
+                       $this->parent->getTextBox( array(
+                               'var' => '_MemCachedServers',
+                               'label' => 'config-memcached-servers',
+                       ) ) .
+                       $this->parent->getHelpBox( 'config-memcached-help' ) . '</div>' .
+                       $this->parent->getFieldsetEnd()
+               );
+               $this->endForm();
+       }
+
+       function getCCPartnerUrl() {
+               global $wgServer;
+               $exitUrl = $wgServer . $this->parent->getUrl( array(
+                       'page' => 'Options',
+                       'SubmitCC' => 'indeed',
+                       'config__LicenseCode' => 'cc',
+                       'config_wgRightsUrl' => '[license_url]',
+                       'config_wgRightsText' => '[license_name]',
+                       'config_wgRightsIcon' => '[license_button]',
+               ) );
+               $styleUrl = $wgServer . dirname( dirname( $this->parent->getUrl() ) ) .
+                       '/skins/common/config-cc.css';
+               $iframeUrl = 'http://creativecommons.org/license/?' .
+                       wfArrayToCGI( array(
+                               'partner' => 'MediaWiki',
+                               'exit_url' => $exitUrl,
+                               'lang' => $this->getVar( '_UserLang' ),
+                               'stylesheet' => $styleUrl,
+                       ) );
+               return $iframeUrl;
+       }
+
+       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();
+               }
+
+               return
+                       "<div class=\"config-cc-wrapper\" id=\"config-cc-wrapper\" style=\"display: none;\">\n" .
+                       Xml::element( 'iframe', $iframeAttribs, '', false /* not short */ ) .
+                       "</div>\n";
+       }
+
+       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>'.
+                       Xml::element( 'img', array( 'src' => $this->getVar( 'wgRightsIcon' ) ) ) .
+                       '&#160;&#160;' .
+                       htmlspecialchars( $this->getVar( 'wgRightsText' ) ) .
+                       "</p>\n" .
+                       "<p style=\"text-align: center\">" .
+                       Xml::element( 'a',
+                               array(
+                                       'href' => $this->getCCPartnerUrl(),
+                                       'onclick' => $expandJs,
+                               ),
+                               wfMsg( 'config-cc-again' )
+                       ) .
+                       "</p>\n" .
+                       "<script type=\"text/javascript\">\n" .
+                       # Reduce the wrapper div height
+                       htmlspecialchars( $reduceJs ) .
+                       "\n" .
+                       "</script>\n";
+       }
+
+
+       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() );
+       }
+
+       function submit() {
+               $this->parent->setVarsFromRequest( array( '_RightsProfile', '_LicenseCode',
+                       'wgEnableEmail', 'wgPasswordSender', 'wgEnableUpload', 'wgLogo',
+                       'wgEnableUserEmail', 'wgEnotifUserTalk', 'wgEnotifWatchlist',
+                       'wgEmailAuthentication', 'wgMainCacheType', '_MemCachedServers',
+                       'wgUseInstantCommons' ) );
+
+               if ( !in_array( $this->getVar( '_RightsProfile' ),
+                       array_keys( $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' );
+                               return false;
+                       }
+               } elseif ( in_array( $code, array_keys( $this->parent->licenses ) ) ) {
+                       $entry = $this->parent->licenses[$code];
+                       if ( isset( $entry['text'] ) ) {
+                               $this->setVar( 'wgRightsText', $entry['text'] );
+                       } else {
+                               $this->setVar( 'wgRightsText', wfMsg( 'config-license-' . $code ) );
+                       }
+                       $this->setVar( 'wgRightsUrl', $entry['url'] );
+                       $this->setVar( 'wgRightsIcon', $entry['icon'] );
+               } else {
+                       $this->setVar( 'wgRightsText', '' );
+                       $this->setVar( 'wgRightsUrl', '' );
+                       $this->setVar( 'wgRightsIcon', '' );
+               }
+
+               $exts = $this->parent->getVar( '_Extensions' );
+               foreach( $exts as $key => $ext ) {
+                       if( !$this->parent->request->getCheck( 'config_ext-' . $ext ) ) {
+                               unset( $exts[$key] );
+                       }
+               }
+               $this->parent->setVar( '_Extensions', $exts );
+               return true;
+       }
+}
+
+class WebInstaller_Install extends WebInstallerPage {
+
+       function execute() {
+               if( $this->parent->request->wasPosted() ) {
+                       return 'continue';
+               } elseif( $this->getVar( '_InstallDone' ) ) {
+                       $this->startForm();
+                       $status = new Status();
+                       $status->warning( 'config-install-alreadydone' );
+                       $this->parent->showStatusBox( $status );
+               } else {
+                       $this->startForm();
+                       $this->addHTML("<ul>");
+                       $this->parent->performInstallation(
+                               array( $this, 'startStage'),
+                               array( $this, 'endStage' )
+                       );
+                       $this->addHTML("</ul>");
+               }
+               $this->endForm();
+               return true;
+       }
+
+       public function startStage( $step ) {
+               $this->addHTML( "<li>" . wfMsgHtml( "config-install-$step" ) . wfMsg( 'ellipsis') );
+       }
+
+       public function endStage( $step, $status ) {
+               $success = $status->isGood();
+               $msg = $success ? 'config-install-step-done' : 'config-install-step-failed';
+               $html = wfMsgHtml( 'word-separator' ) . wfMsgHtml( $msg );
+               if ( !$success ) {
+                       $html = "<span class=\"error\">$html</span>";
+               }
+               $this->addHTML( $html . "</li>\n" );
+               if( !$success ) {
+                       $this->parent->showStatusBox( $status );
+               }
+       }
+}
+
+class WebInstaller_Complete extends WebInstallerPage {
+       public function execute() {
+               global $IP;
+               $this->startForm();
+               $this->addHTML(
+                       $this->parent->getInfoBox(
+                               wfMsgNoTrans( 'config-install-done',
+                                       $GLOBALS['wgServer'] . $this->parent->getURL( array( 'localsettings' => 1 ) ),
+                                       $GLOBALS['wgServer'] .
+                                               $this->getVar( 'wgScriptPath' ) . '/index' .
+                                               $this->getVar( 'wgScriptExtension' )
+                               ), 'tick-32.png'
+                       )
+               );
+               $this->endForm( false );
+       }
+}
+
+class WebInstaller_Restart extends WebInstallerPage {
+       function execute() {
+               $r = $this->parent->request;
+               if ( $r->wasPosted() ) {
+                       $really = $r->getVal( 'submit-restart' );
+                       if ( $really ) {
+                               $this->parent->session = array();
+                               $this->parent->happyPages = array();
+                               $this->parent->settings = array();
+                       }
+                       return 'continue';
+               }
+
+               $this->startForm();
+               $s = $this->parent->getWarningBox( wfMsgNoTrans( 'config-help-restart' ) );
+               $this->addHTML( $s );
+               $this->endForm( 'restart' );
+       }
+}
+
+abstract class WebInstaller_Document extends WebInstallerPage {
+       abstract function getFileName();
+
+       function execute() {
+               $text = $this->getFileContents();
+               $this->parent->output->addWikiText( $text );
+               $this->startForm();
+               $this->endForm( false );
+       }
+
+       function getFileContents() {
+               return file_get_contents( dirname( __FILE__ ) . '/../../' . $this->getFileName() );
+       }
+
+       protected function formatTextFile( $text ) {
+               $text = str_replace( array( '<', '{{', '[[' ),
+                       array( '&lt;', '&#123;&#123;', '&#91;&#91;' ), $text );
+               // replace numbering with [1], [2], etc with MW-style numbering
+               $text = preg_replace( "/\r?\n(\r?\n)?\\[\\d+\\]/m", "\\1#", $text );
+               // join word-wrapped lines into one
+               do {
+                       $prev = $text;
+                       $text = preg_replace( "/\n([\\*#])([^\r\n]*?)\r?\n([^\r\n#\\*:]+)/", "\n\\1\\2 \\3", $text );
+               } while ( $text != $prev );
+               // turn (bug nnnn) into links
+               $text = preg_replace_callback('/bug (\d+)/', array( $this, 'replaceBugLinks' ), $text );
+               // add links to manual to every global variable mentioned
+               $text = preg_replace_callback('/(\$wg[a-z0-9_]+)/i', array( $this, 'replaceConfigLinks' ), $text );
+               // special case for <pre> - formatted links
+               do {
+                       $prev = $text;
+                       $text = preg_replace( '/^([^\\s].*?)\r?\n[\\s]+(https?:\/\/)/m', "\\1\n:\\2", $text );
+               } while ( $text != $prev );
+               return $text;
+       }
+
+       private function replaceBugLinks( $matches ) {
+               return '<span class="config-plainlink">[https://bugzilla.wikimedia.org/' .
+                       $matches[1] . ' bug ' . $matches[1] . ']</span>';
+       }
+
+       private function replaceConfigLinks( $matches ) {
+               return '<span class="config-plainlink">[http://www.mediawiki.org/wiki/Manual:' .
+                       $matches[1] . ' ' . $matches[1] . ']</span>';
+       }
+}
+
+class WebInstaller_Readme extends WebInstaller_Document {
+       function getFileName() { return 'README'; }
+
+       function getFileContents() {
+               return $this->formatTextFile( parent::getFileContents() );
+       }
+}
+
+class WebInstaller_ReleaseNotes extends WebInstaller_Document {
+       function getFileName() { return 'RELEASE-NOTES'; }
+
+       function getFileContents() {
+               return $this->formatTextFile( parent::getFileContents() );
+       }
+}
+
+class WebInstaller_UpgradeDoc extends WebInstaller_Document {
+       function getFileName() { return 'UPGRADE'; }
+
+       function getFileContents() {
+               return $this->formatTextFile( parent::getFileContents() );
+       }
+}
+
+class WebInstaller_Copying extends WebInstaller_Document {
+       function getFileName() { return 'COPYING'; }
+
+       function getFileContents() {
+               $text = parent::getFileContents();
+               $text = str_replace( "\x0C", '', $text );
+               $text = preg_replace_callback( '/\n[ \t]+/m', array( 'WebInstaller_Copying', 'replaceLeadingSpaces' ), $text );
+               $text = '<tt>' . nl2br( $text ) . '</tt>';
+               return $text;
+       }
+
+       private static function replaceLeadingSpaces( $matches ) {
+               return "\n" . str_repeat( '&#160;', strlen( $matches[0] ) );
+       }
+}
\ No newline at end of file