400 lines
12 KiB
PHP
400 lines
12 KiB
PHP
<?php
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/**
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* Copyright (C) 2005 Brion Vibber <brion@pobox.com>
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* http://www.mediawiki.org/
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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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/**
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* @todo document, briefly.
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*/
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class ProtectionForm {
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var $mRestrictions = array();
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var $mReason = '';
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var $mCascade = false;
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var $mExpiry = null;
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var $mPermErrors = array();
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var $mApplicableTypes = array();
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function __construct( &$article ) {
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global $wgRequest, $wgUser;
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global $wgRestrictionTypes, $wgRestrictionLevels;
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$this->mArticle =& $article;
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$this->mTitle =& $article->mTitle;
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$this->mApplicableTypes = $this->mTitle->exists() ? $wgRestrictionTypes : array('create');
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if( $this->mTitle ) {
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$this->mTitle->loadRestrictions();
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foreach( $this->mApplicableTypes as $action ) {
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// Fixme: this form currently requires individual selections,
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// but the db allows multiples separated by commas.
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$this->mRestrictions[$action] = implode( '', $this->mTitle->getRestrictions( $action ) );
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}
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$this->mCascade = $this->mTitle->areRestrictionsCascading();
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if ( $this->mTitle->mRestrictionsExpiry == 'infinity' ) {
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$this->mExpiry = 'infinite';
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} else if ( strlen($this->mTitle->mRestrictionsExpiry) == 0 ) {
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$this->mExpiry = '';
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} else {
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// FIXME: this format is not user friendly
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$this->mExpiry = wfTimestamp( TS_ISO_8601, $this->mTitle->mRestrictionsExpiry );
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}
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}
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// The form will be available in read-only to show levels.
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$this->disabled = wfReadOnly() || ($this->mPermErrors = $this->mTitle->getUserPermissionsErrors('protect',$wgUser)) != array();
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$this->disabledAttrib = $this->disabled
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? array( 'disabled' => 'disabled' )
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: array();
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if( $wgRequest->wasPosted() ) {
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$this->mReason = $wgRequest->getText( 'mwProtect-reason' );
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$this->mCascade = $wgRequest->getBool( 'mwProtect-cascade' );
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$this->mExpiry = $wgRequest->getText( 'mwProtect-expiry' );
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foreach( $this->mApplicableTypes as $action ) {
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$val = $wgRequest->getVal( "mwProtect-level-$action" );
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if( isset( $val ) && in_array( $val, $wgRestrictionLevels ) ) {
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//prevent users from setting levels that they cannot later unset
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if( $val == 'sysop' ) {
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//special case, rewrite sysop to either protect and editprotected
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if( !$wgUser->isAllowed('protect') && !$wgUser->isAllowed('editprotected') )
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continue;
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} else {
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if( !$wgUser->isAllowed($val) )
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continue;
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}
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$this->mRestrictions[$action] = $val;
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}
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}
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}
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}
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function execute() {
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global $wgRequest, $wgOut;
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if( $wgRequest->wasPosted() ) {
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if( $this->save() ) {
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$article = new Article( $this->mTitle );
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$q = $article->isRedirect() ? 'redirect=no' : '';
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$wgOut->redirect( $this->mTitle->getFullUrl( $q ) );
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}
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} else {
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$this->show();
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}
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}
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function show( $err = null ) {
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global $wgOut, $wgUser;
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$wgOut->setRobotpolicy( 'noindex,nofollow' );
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if( is_null( $this->mTitle ) ||
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$this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
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$wgOut->showFatalError( wfMsg( 'badarticleerror' ) );
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return;
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}
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list( $cascadeSources, /* $restrictions */ ) = $this->mTitle->getCascadeProtectionSources();
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if ( "" != $err ) {
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$wgOut->setSubtitle( wfMsgHtml( 'formerror' ) );
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$wgOut->addHTML( "<p class='error'>{$err}</p>\n" );
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}
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if ( $cascadeSources && count($cascadeSources) > 0 ) {
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$titles = '';
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foreach ( $cascadeSources as $title ) {
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$titles .= '* [[:' . $title->getPrefixedText() . "]]\n";
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}
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$wgOut->wrapWikiMsg( "$1\n$titles", array( 'protect-cascadeon', count($cascadeSources) ) );
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}
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$sk = $wgUser->getSkin();
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$titleLink = $sk->makeLinkObj( $this->mTitle );
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$wgOut->setPageTitle( wfMsg( 'protect-title', $this->mTitle->getPrefixedText() ) );
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$wgOut->setSubtitle( wfMsg( 'protect-backlink', $titleLink ) );
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# Show an appropriate message if the user isn't allowed or able to change
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# the protection settings at this time
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if( $this->disabled ) {
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if( wfReadOnly() ) {
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$wgOut->readOnlyPage();
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} elseif( $this->mPermErrors ) {
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$wgOut->addWikiText( $wgOut->formatPermissionsErrorMessage( $this->mPermErrors ) );
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}
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} else {
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$wgOut->addWikiMsg( 'protect-text', $this->mTitle->getPrefixedText() );
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}
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$wgOut->addHTML( $this->buildForm() );
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$this->showLogExtract( $wgOut );
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}
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function save() {
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global $wgRequest, $wgUser, $wgOut;
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if( $this->disabled ) {
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$this->show();
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return false;
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}
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$token = $wgRequest->getVal( 'wpEditToken' );
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if( !$wgUser->matchEditToken( $token ) ) {
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$this->show( wfMsg( 'sessionfailure' ) );
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return false;
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}
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if ( strlen( $this->mExpiry ) == 0 ) {
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$this->mExpiry = 'infinite';
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}
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if ( $this->mExpiry == 'infinite' || $this->mExpiry == 'indefinite' ) {
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$expiry = Block::infinity();
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} else {
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# Convert GNU-style date, on error returns -1 for PHP <5.1 and false for PHP >=5.1
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$expiry = strtotime( $this->mExpiry );
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if ( $expiry < 0 || $expiry === false ) {
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$this->show( wfMsg( 'protect_expiry_invalid' ) );
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return false;
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}
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// Fixme: non-qualified absolute times are not in users specified timezone
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// and there isn't notice about it in the ui
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$expiry = wfTimestamp( TS_MW, $expiry );
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if ( $expiry < wfTimestampNow() ) {
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$this->show( wfMsg( 'protect_expiry_old' ) );
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return false;
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}
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}
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# They shouldn't be able to do this anyway, but just to make sure, ensure that cascading restrictions aren't being applied
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# to a semi-protected page.
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global $wgGroupPermissions;
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$edit_restriction = $this->mRestrictions['edit'];
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if ($this->mCascade && ($edit_restriction != 'protect') &&
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!(isset($wgGroupPermissions[$edit_restriction]['protect']) && $wgGroupPermissions[$edit_restriction]['protect'] ) )
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$this->mCascade = false;
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if ($this->mTitle->exists()) {
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$ok = $this->mArticle->updateRestrictions( $this->mRestrictions, $this->mReason, $this->mCascade, $expiry );
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} else {
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$ok = $this->mTitle->updateTitleProtection( $this->mRestrictions['create'], $this->mReason, $expiry );
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}
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if( !$ok ) {
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throw new FatalError( "Unknown error at restriction save time." );
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}
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if( $wgRequest->getCheck( 'mwProtectWatch' ) ) {
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$this->mArticle->doWatch();
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} elseif( $this->mTitle->userIsWatching() ) {
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$this->mArticle->doUnwatch();
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}
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return $ok;
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}
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/**
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* Build the input form
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*
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* @return $out string HTML form
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*/
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function buildForm() {
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global $wgUser;
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$out = '';
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if( !$this->disabled ) {
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$out .= $this->buildScript();
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// The submission needs to reenable the move permission selector
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// if it's in locked mode, or some browsers won't submit the data.
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$out .= Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->mTitle->getLocalUrl( 'action=protect' ), 'id' => 'mw-Protect-Form', 'onsubmit' => 'protectEnable(true)' ) ) .
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Xml::hidden( 'wpEditToken',$wgUser->editToken() );
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}
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$out .= Xml::openElement( 'fieldset' ) .
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Xml::element( 'legend', null, wfMsg( 'protect-legend' ) ) .
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Xml::openElement( 'table', array( 'id' => 'mwProtectSet' ) ) .
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Xml::openElement( 'tbody' ) .
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"<tr>\n";
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foreach( $this->mRestrictions as $action => $required ) {
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/* Not all languages have V_x <-> N_x relation */
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$label = Xml::element( 'label',
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array( 'for' => "mwProtect-level-$action" ),
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wfMsg( 'restriction-' . $action ) );
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$out .= "<th>$label</th>";
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}
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$out .= "</tr>
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<tr>\n";
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foreach( $this->mRestrictions as $action => $selected ) {
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$out .= "<td>" .
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$this->buildSelector( $action, $selected ) .
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"</td>";
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}
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$out .= "</tr>\n";
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// JavaScript will add another row with a value-chaining checkbox
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$out .= Xml::closeElement( 'tbody' ) .
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Xml::closeElement( 'table' ) .
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Xml::openElement( 'table', array( 'id' => 'mw-protect-table2' ) ) .
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Xml::openElement( 'tbody' );
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if( $this->mTitle->exists() ) {
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$out .= '<tr>
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<td></td>
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<td class="mw-input">' .
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Xml::checkLabel( wfMsg( 'protect-cascade' ), 'mwProtect-cascade', 'mwProtect-cascade', $this->mCascade, $this->disabledAttrib ) .
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"</td>
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</tr>\n";
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}
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$attribs = array( 'id' => 'expires' ) + $this->disabledAttrib;
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$out .= "<tr>
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<td class='mw-label'>" .
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Xml::label( wfMsgExt( 'protectexpiry', array( 'parseinline' ) ), 'expires' ) .
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'</td>
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<td class="mw-input">' .
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Xml::input( 'mwProtect-expiry', 60, $this->mExpiry, $attribs ) .
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'</td>
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</tr>';
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if( !$this->disabled ) {
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$id = 'mwProtect-reason';
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$out .= "<tr>
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<td class='mw-label'>" .
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Xml::label( wfMsg( 'protectcomment' ), $id ) .
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'</td>
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<td class="mw-input">' .
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Xml::input( $id, 60, $this->mReason, array( 'type' => 'text', 'id' => $id, 'maxlength' => 255 ) ) .
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"</td>
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</tr>
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<tr>
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<td></td>
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<td class='mw-input'>" .
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Xml::checkLabel( wfMsg( 'watchthis' ),
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'mwProtectWatch', 'mwProtectWatch',
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$this->mTitle->userIsWatching() || $wgUser->getOption( 'watchdefault' ) ) .
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"</td>
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</tr>
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<tr>
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<td></td>
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<td class='mw-submit'>" .
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Xml::submitButton( wfMsg( 'confirm' ), array( 'id' => 'mw-Protect-submit' ) ) .
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"</td>
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</tr>\n";
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}
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$out .= Xml::closeElement( 'tbody' ) .
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Xml::closeElement( 'table' ) .
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Xml::closeElement( 'fieldset' );
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if ( !$this->disabled ) {
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$out .= Xml::closeElement( 'form' ) .
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$this->buildCleanupScript();
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}
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return $out;
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}
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function buildSelector( $action, $selected ) {
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global $wgRestrictionLevels, $wgUser;
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$id = 'mwProtect-level-' . $action;
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$attribs = array(
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'id' => $id,
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'name' => $id,
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'size' => count( $wgRestrictionLevels ),
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'onchange' => 'protectLevelsUpdate(this)',
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) + $this->disabledAttrib;
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$out = Xml::openElement( 'select', $attribs );
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foreach( $wgRestrictionLevels as $key ) {
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//don't let them choose levels above their own (aka so they can still unprotect and edit the page). but only when the form isn't disabled
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if( $key == 'sysop' ) {
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//special case, rewrite sysop to protect and editprotected
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if( !$wgUser->isAllowed('protect') && !$wgUser->isAllowed('editprotected') && !$this->disabled )
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continue;
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} else {
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if( !$wgUser->isAllowed($key) && !$this->disabled )
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continue;
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}
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$out .= Xml::option( $this->getOptionLabel( $key ), $key, $key == $selected );
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}
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$out .= Xml::closeElement( 'select' );
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return $out;
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}
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/**
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* Prepare the label for a protection selector option
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*
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* @param string $permission Permission required
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* @return string
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*/
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private function getOptionLabel( $permission ) {
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if( $permission == '' ) {
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return wfMsg( 'protect-default' );
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} else {
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$key = "protect-level-{$permission}";
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$msg = wfMsg( $key );
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if( wfEmptyMsg( $key, $msg ) )
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$msg = wfMsg( 'protect-fallback', $permission );
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return $msg;
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}
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}
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function buildScript() {
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global $wgStylePath, $wgStyleVersion;
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return Xml::tags( 'script', array(
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'type' => 'text/javascript',
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'src' => $wgStylePath . "/common/protect.js?$wgStyleVersion" ), '' );
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}
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function buildCleanupScript() {
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global $wgRestrictionLevels, $wgGroupPermissions;
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$script = 'var wgCascadeableLevels=';
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$CascadeableLevels = array();
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foreach( $wgRestrictionLevels as $key ) {
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if ( (isset($wgGroupPermissions[$key]['protect']) && $wgGroupPermissions[$key]['protect']) || $key == 'protect' ) {
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$CascadeableLevels[] = "'" . Xml::escapeJsString( $key ) . "'";
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}
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}
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$script .= "[" . implode(',',$CascadeableLevels) . "];\n";
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$script .= 'protectInitialize("mwProtectSet","' . Xml::escapeJsString( wfMsg( 'protect-unchain' ) ) . '","' . count($this->mApplicableTypes) . '")';
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return Xml::tags( 'script', array( 'type' => 'text/javascript' ), $script );
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}
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/**
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* @param OutputPage $out
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* @access private
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*/
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function showLogExtract( &$out ) {
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# Show relevant lines from the protection log:
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$out->addHTML( Xml::element( 'h2', null, LogPage::logName( 'protect' ) ) );
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LogEventsList::showLogExtract( $out, 'protect', $this->mTitle->getPrefixedText() );
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}
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}
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