MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / includes / installer / WebInstallerLanguage.php

diff --git a/includes/installer/WebInstallerLanguage.php b/includes/installer/WebInstallerLanguage.php
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+++ b/includes/installer/WebInstallerLanguage.php
@@ -0,0 +1,123 @@
+<?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 );
+       }
+
+}