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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Deployment
*/
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 $wgExtraLanguageCodes;
$output = $helpHtml;
$select = new XmlSelect( $name, $name, $selectedCode );
$select->setAttribute( 'tabindex', $this->parent->nextTabIndex() );
$unwantedLanguageCodes = $wgExtraLanguageCodes +
LanguageCode::getDeprecatedCodeMapping();
$languages = Language::fetchLanguageNames();
ksort( $languages );
foreach ( $languages as $code => $lang ) {
if ( isset( $unwantedLanguageCodes[$code] ) ) {
continue;
}
$select->addOption( "$code - $lang", $code );
}
$output .= $select->getHTML();
return $this->parent->label( $label, $name, $output );
}
}
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