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<?php |
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/** |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* http://www.gnu.org/copyleft/gpl.html |
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* |
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* @file |
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* @ingroup Deployment |
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*/ |
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class WebInstallerLanguage extends WebInstallerPage { |
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/** |
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* @return string|null |
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*/ |
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public function execute() { |
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global $wgLang; |
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$r = $this->parent->request; |
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$userLang = $r->getVal( 'uselang' ); |
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$contLang = $r->getVal( 'ContLang' ); |
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$languages = Language::fetchLanguageNames(); |
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$lifetime = intval( ini_get( 'session.gc_maxlifetime' ) ); |
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if ( !$lifetime ) { |
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$lifetime = 1440; // PHP default |
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} |
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if ( $r->wasPosted() ) { |
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# Do session test |
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if ( $this->parent->getSession( 'test' ) === null ) { |
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$requestTime = $r->getVal( 'LanguageRequestTime' ); |
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if ( !$requestTime ) { |
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// The most likely explanation is that the user was knocked back |
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// from another page on POST due to session expiry |
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$msg = 'config-session-expired'; |
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} elseif ( time() - $requestTime > $lifetime ) { |
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$msg = 'config-session-expired'; |
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} else { |
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$msg = 'config-no-session'; |
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} |
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$this->parent->showError( $msg, $wgLang->formatTimePeriod( $lifetime ) ); |
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} else { |
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if ( isset( $languages[$userLang] ) ) { |
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$this->setVar( '_UserLang', $userLang ); |
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} |
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if ( isset( $languages[$contLang] ) ) { |
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$this->setVar( 'wgLanguageCode', $contLang ); |
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} |
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return 'continue'; |
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} |
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} elseif ( $this->parent->showSessionWarning ) { |
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# The user was knocked back from another page to the start |
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# This probably indicates a session expiry |
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$this->parent->showError( 'config-session-expired', |
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$wgLang->formatTimePeriod( $lifetime ) ); |
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} |
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$this->parent->setSession( 'test', true ); |
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if ( !isset( $languages[$userLang] ) ) { |
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$userLang = $this->getVar( '_UserLang', 'en' ); |
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} |
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if ( !isset( $languages[$contLang] ) ) { |
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$contLang = $this->getVar( 'wgLanguageCode', 'en' ); |
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} |
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$this->startForm(); |
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$s = Html::hidden( 'LanguageRequestTime', time() ) . |
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$this->getLanguageSelector( 'uselang', 'config-your-language', $userLang, |
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$this->parent->getHelpBox( 'config-your-language-help' ) ) . |
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$this->getLanguageSelector( 'ContLang', 'config-wiki-language', $contLang, |
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$this->parent->getHelpBox( 'config-wiki-language-help' ) ); |
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$this->addHTML( $s ); |
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$this->endForm( 'continue', false ); |
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return null; |
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} |
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/** |
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* Get a "<select>" for selecting languages. |
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* |
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* @param string $name |
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* @param string $label |
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* @param string $selectedCode |
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* @param string $helpHtml |
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* |
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* @return string |
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*/ |
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public function getLanguageSelector( $name, $label, $selectedCode, $helpHtml = '' ) { |
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global $wgDummyLanguageCodes; |
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$output = $helpHtml; |
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$select = new XmlSelect( $name, $name, $selectedCode ); |
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$select->setAttribute( 'tabindex', $this->parent->nextTabIndex() ); |
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$languages = Language::fetchLanguageNames(); |
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ksort( $languages ); |
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foreach ( $languages as $code => $lang ) { |
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if ( isset( $wgDummyLanguageCodes[$code] ) ) { |
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continue; |
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} |
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$select->addOption( "$code - $lang", $code ); |
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} |
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$output .= $select->getHTML(); |
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return $this->parent->label( $label, $name, $output ); |
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} |
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} |
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wikimedia /
mediawiki
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
stringvalues, the empty string''is a special case, in particular the following results might be unexpected: