6dc8136d12
* Actions come in two flavours: the show-a-form-then-do-something-with-the-result (delete, protect, edit, etc) and the just-do-something (watch, rollback, patrol, etc). Create abstract base classes Action and FormlessAction to support these two cases. HTMLForm is an integral part of the form-based structure. * Look mum, no globals! :D Fully context-based. * Implement watch/unwatch, credits and delete actions in the new system as proof-of-concept. This also gives the delete frontend a much-needed overhaul. * Stub out the newly-deprecated functions from Article.php. This already reduces its linecount by about 15%, and there are plenty more actions still to do. * Centralising actions like this is going to render a lot of hooks type-incompatible. There's simply nowhere you can put the ArticleConfirmDelete hook, for instance, where it can be passed an OutputPage as the second parameter. On the other hand, we can implement new hooks like ActionModifyFormFields and ActionBeforeFormDisplay, which can do much prettier stuff to the forms, like adding extra fields the 'right' way. Update LiquidThreads to use these new hooks where appropriate.
608 lines
20 KiB
PHP
608 lines
20 KiB
PHP
<?php
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/**
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* Page protection
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*
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* Copyright © 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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* @file
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*/
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/**
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* Handles the page protection UI and backend
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*/
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class ProtectionForm {
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/** A map of action to restriction level, from request or default */
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var $mRestrictions = array();
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/** The custom/additional protection reason */
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var $mReason = '';
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/** The reason selected from the list, blank for other/additional */
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var $mReasonSelection = '';
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/** True if the restrictions are cascading, from request or existing protection */
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var $mCascade = false;
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/** Map of action to "other" expiry time. Used in preference to mExpirySelection. */
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var $mExpiry = array();
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/**
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* Map of action to value selected in expiry drop-down list.
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* Will be set to 'othertime' whenever mExpiry is set.
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*/
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var $mExpirySelection = array();
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/** Permissions errors for the protect action */
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var $mPermErrors = array();
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/** Types (i.e. actions) for which levels can be selected */
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var $mApplicableTypes = array();
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/** Map of action to the expiry time of the existing protection */
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var $mExistingExpiry = array();
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function __construct( Article $article ) {
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global $wgUser;
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// Set instance variables.
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$this->mArticle = $article;
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$this->mTitle = $article->mTitle;
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$this->mApplicableTypes = $this->mTitle->getRestrictionTypes();
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// Check if the form should be disabled.
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// If it is, the form will be available in read-only to show levels.
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$this->mPermErrors = $this->mTitle->getUserPermissionsErrors('protect',$wgUser);
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$this->disabled = wfReadOnly() || $this->mPermErrors != array();
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$this->disabledAttrib = $this->disabled
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? array( 'disabled' => 'disabled' )
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: array();
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$this->loadData();
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}
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/**
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* Loads the current state of protection into the object.
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*/
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function loadData() {
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global $wgRequest, $wgUser;
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global $wgRestrictionLevels;
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$this->mCascade = $this->mTitle->areRestrictionsCascading();
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$this->mReason = $wgRequest->getText( 'mwProtect-reason' );
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$this->mReasonSelection = $wgRequest->getText( 'wpProtectReasonSelection' );
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$this->mCascade = $wgRequest->getBool( 'mwProtect-cascade', $this->mCascade );
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foreach( $this->mApplicableTypes as $action ) {
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// Fixme: this form currently requires individual selections,
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// but the db allows multiples separated by commas.
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// Pull the actual restriction from the DB
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$this->mRestrictions[$action] = implode( '', $this->mTitle->getRestrictions( $action ) );
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if ( !$this->mRestrictions[$action] ) {
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// No existing expiry
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$existingExpiry = '';
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} else {
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$existingExpiry = $this->mTitle->getRestrictionExpiry( $action );
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}
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$this->mExistingExpiry[$action] = $existingExpiry;
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$requestExpiry = $wgRequest->getText( "mwProtect-expiry-$action" );
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$requestExpirySelection = $wgRequest->getVal( "wpProtectExpirySelection-$action" );
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if ( $requestExpiry ) {
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// Custom expiry takes precedence
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$this->mExpiry[$action] = $requestExpiry;
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$this->mExpirySelection[$action] = 'othertime';
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} elseif ( $requestExpirySelection ) {
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// Expiry selected from list
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$this->mExpiry[$action] = '';
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$this->mExpirySelection[$action] = $requestExpirySelection;
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} elseif ( $existingExpiry == 'infinity' ) {
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// Existing expiry is infinite, use "infinite" in drop-down
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$this->mExpiry[$action] = '';
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$this->mExpirySelection[$action] = 'infinite';
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} elseif ( $existingExpiry ) {
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// Use existing expiry in its own list item
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$this->mExpiry[$action] = '';
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$this->mExpirySelection[$action] = $existingExpiry;
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} else {
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// Final default: infinite
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$this->mExpiry[$action] = '';
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$this->mExpirySelection[$action] = 'infinite';
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}
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$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->isAllowedAny( 'protect', '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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* Get the expiry time for a given action, by combining the relevant inputs.
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*
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* @return 14-char timestamp or "infinity", or false if the input was invalid
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*/
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function getExpiry( $action ) {
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if ( $this->mExpirySelection[$action] == 'existing' ) {
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return $this->mExistingExpiry[$action];
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} elseif ( $this->mExpirySelection[$action] == 'othertime' ) {
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$value = $this->mExpiry[$action];
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} else {
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$value = $this->mExpirySelection[$action];
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}
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if ( $value == 'infinite' || $value == 'indefinite' || $value == 'infinity' ) {
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$time = wfGetDB( DB_SLAVE )->getInfinity();
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} else {
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$unix = strtotime( $value );
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if ( !$unix || $unix === -1 ) {
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return false;
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}
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// Fixme: non-qualified absolute times are not in users specified timezone
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// and there isn't notice about it in the ui
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$time = wfTimestamp( TS_MW, $unix );
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}
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return $time;
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}
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/**
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* Main entry point for action=protect and action=unprotect
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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( $this->save() ) {
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$q = $this->mArticle->isRedirect() ? 'redirect=no' : '';
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$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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/**
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* Show the input form with optional error message
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*
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* @param $err String: error message or null if there's no error
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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( "<div id=\"mw-protect-cascadeon\">\n$1\n" . $titles . "</div>", array( 'protect-cascadeon', count($cascadeSources) ) );
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}
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$sk = $wgUser->getSkin();
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$titleLink = $sk->link( $this->mTitle );
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$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->showPermissionsErrorPage( $this->mPermErrors );
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}
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} else {
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$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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/**
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* Save submitted protection form
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*
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* @return Boolean: success
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*/
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function save() {
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global $wgRequest, $wgUser;
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# Permission check!
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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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# Create reason string. Use list and/or custom string.
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$reasonstr = $this->mReasonSelection;
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if ( $reasonstr != 'other' && $this->mReason != '' ) {
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// Entry from drop down menu + additional comment
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$reasonstr .= wfMsgForContent( 'colon-separator' ) . $this->mReason;
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} elseif ( $reasonstr == 'other' ) {
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$reasonstr = $this->mReason;
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}
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$expiry = array();
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foreach( $this->mApplicableTypes as $action ) {
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$expiry[$action] = $this->getExpiry( $action );
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if( empty($this->mRestrictions[$action]) )
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continue; // unprotected
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if ( !$expiry[$action] ) {
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$this->show( wfMsg( 'protect_expiry_invalid' ) );
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return false;
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}
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if ( $expiry[$action] < 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 = isset( $this->mRestrictions['edit'] ) ? $this->mRestrictions['edit'] : '';
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$this->mCascade = $wgRequest->getBool( 'mwProtect-cascade' );
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if ($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, $reasonstr, $this->mCascade, $expiry );
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} else {
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$ok = $this->mTitle->updateTitleProtection( $this->mRestrictions['create'], $reasonstr, $expiry['create'] );
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}
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if( !$ok ) {
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throw new FatalError( "Unknown error at restriction save time." );
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}
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$errorMsg = '';
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# Give extensions a change to handle added form items
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if( !wfRunHooks( 'ProtectionForm::save', array($this->mArticle,&$errorMsg) ) ) {
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throw new FatalError( "Unknown hook error at restriction save time." );
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}
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if( $errorMsg != '' ) {
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$this->show( $errorMsg );
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return false;
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}
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if( $wgRequest->getCheck( 'mwProtectWatch' ) && $wgUser->isLoggedIn() ) {
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Action::factory( 'watch', $this->mArticle )->execute();
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} elseif( $this->mTitle->userIsWatching() ) {
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Action::factory( 'unwatch', $this->mArticle )->execute();
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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 String: HTML form
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*/
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function buildForm() {
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global $wgUser, $wgLang, $wgOut;
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$mProtectreasonother = Xml::label( wfMsg( 'protectcomment' ), 'wpProtectReasonSelection' );
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$mProtectreason = Xml::label( wfMsg( 'protect-otherreason' ), 'mwProtect-reason' );
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$out = '';
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if( !$this->disabled ) {
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$wgOut->addModules( 'mediawiki.legacy.protect' );
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$out .= Xml::openElement( 'form', array( 'method' => 'post',
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'action' => $this->mTitle->getLocalUrl( 'action=protect' ),
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'id' => 'mw-Protect-Form', 'onsubmit' => 'ProtectionForm.enableUnchainedInputs(true)' ) );
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$out .= Html::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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foreach( $this->mRestrictions as $action => $selected ) {
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/* Not all languages have V_x <-> N_x relation */
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$msg = wfMessage( 'restriction-' . $action );
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$out .= "<tr><td>".
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Xml::openElement( 'fieldset' ) .
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Xml::element( 'legend', null, $msg->exists() ? $action : $msg->text() ) .
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Xml::openElement( 'table', array( 'id' => "mw-protect-table-$action" ) ) .
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"<tr><td>" . $this->buildSelector( $action, $selected ) . "</td></tr><tr><td>";
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$reasonDropDown = Xml::listDropDown( 'wpProtectReasonSelection',
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wfMsgForContent( 'protect-dropdown' ),
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wfMsgForContent( 'protect-otherreason-op' ),
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$this->mReasonSelection,
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'mwProtect-reason', 4 );
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$scExpiryOptions = wfMsgForContent( 'protect-expiry-options' );
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$showProtectOptions = ($scExpiryOptions !== '-' && !$this->disabled);
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$mProtectexpiry = Xml::label( wfMsg( 'protectexpiry' ), "mwProtectExpirySelection-$action" );
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$mProtectother = Xml::label( wfMsg( 'protect-othertime' ), "mwProtect-$action-expires" );
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$expiryFormOptions = '';
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if ( $this->mExistingExpiry[$action] && $this->mExistingExpiry[$action] != 'infinity' ) {
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$timestamp = $wgLang->timeanddate( $this->mExistingExpiry[$action] );
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$d = $wgLang->date( $this->mExistingExpiry[$action] );
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$t = $wgLang->time( $this->mExistingExpiry[$action] );
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$expiryFormOptions .=
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Xml::option(
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wfMsg( 'protect-existing-expiry', $timestamp, $d, $t ),
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'existing',
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$this->mExpirySelection[$action] == 'existing'
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) . "\n";
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}
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$expiryFormOptions .= Xml::option( wfMsg( 'protect-othertime-op' ), "othertime" ) . "\n";
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foreach( explode(',', $scExpiryOptions) as $option ) {
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if ( strpos($option, ":") === false ) {
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$show = $value = $option;
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} else {
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list($show, $value) = explode(":", $option);
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}
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$show = htmlspecialchars($show);
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$value = htmlspecialchars($value);
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$expiryFormOptions .= Xml::option( $show, $value, $this->mExpirySelection[$action] === $value ) . "\n";
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}
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# Add expiry dropdown
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if( $showProtectOptions && !$this->disabled ) {
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$out .= "
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<table><tr>
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<td class='mw-label'>
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{$mProtectexpiry}
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</td>
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<td class='mw-input'>" .
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Xml::tags( 'select',
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array(
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'id' => "mwProtectExpirySelection-$action",
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'name' => "wpProtectExpirySelection-$action",
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'onchange' => "ProtectionForm.updateExpiryList(this)",
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'tabindex' => '2' ) + $this->disabledAttrib,
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$expiryFormOptions ) .
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"</td>
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</tr></table>";
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}
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# Add custom expiry field
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$attribs = array( 'id' => "mwProtect-$action-expires",
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'onkeyup' => 'ProtectionForm.updateExpiry(this)',
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'onchange' => 'ProtectionForm.updateExpiry(this)' ) + $this->disabledAttrib;
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$out .= "<table><tr>
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<td class='mw-label'>" .
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$mProtectother .
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'</td>
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<td class="mw-input">' .
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Xml::input( "mwProtect-expiry-$action", 50, $this->mExpiry[$action], $attribs ) .
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'</td>
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</tr></table>';
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$out .= "</td></tr>" .
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Xml::closeElement( 'table' ) .
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Xml::closeElement( 'fieldset' ) .
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"</td></tr>";
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}
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# Give extensions a chance to add items to the form
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wfRunHooks( 'ProtectionForm::buildForm', array($this->mArticle,&$out) );
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$out .= Xml::closeElement( 'tbody' ) . Xml::closeElement( 'table' );
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// JavaScript will add another row with a value-chaining checkbox
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if( $this->mTitle->exists() ) {
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$out .= Xml::openElement( 'table', array( 'id' => 'mw-protect-table2' ) ) .
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Xml::openElement( 'tbody' );
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$out .= '<tr>
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<td></td>
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<td class="mw-input">' .
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Xml::checkLabel( wfMsg( 'protect-cascade' ), 'mwProtect-cascade', 'mwProtect-cascade',
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$this->mCascade, $this->disabledAttrib ) .
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"</td>
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</tr>\n";
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$out .= Xml::closeElement( 'tbody' ) . Xml::closeElement( 'table' );
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}
|
|
|
|
# Add manual and custom reason field/selects as well as submit
|
|
if( !$this->disabled ) {
|
|
$out .= Xml::openElement( 'table', array( 'id' => 'mw-protect-table3' ) ) .
|
|
Xml::openElement( 'tbody' );
|
|
$out .= "
|
|
<tr>
|
|
<td class='mw-label'>
|
|
{$mProtectreasonother}
|
|
</td>
|
|
<td class='mw-input'>
|
|
{$reasonDropDown}
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td class='mw-label'>
|
|
{$mProtectreason}
|
|
</td>
|
|
<td class='mw-input'>" .
|
|
Xml::input( 'mwProtect-reason', 60, $this->mReason, array( 'type' => 'text',
|
|
'id' => 'mwProtect-reason', 'maxlength' => 255 ) ) .
|
|
"</td>
|
|
</tr>";
|
|
# Disallow watching is user is not logged in
|
|
if( $wgUser->isLoggedIn() ) {
|
|
$out .= "
|
|
<tr>
|
|
<td></td>
|
|
<td class='mw-input'>" .
|
|
Xml::checkLabel( wfMsg( 'watchthis' ),
|
|
'mwProtectWatch', 'mwProtectWatch',
|
|
$this->mTitle->userIsWatching() || $wgUser->getOption( 'watchdefault' ) ) .
|
|
"</td>
|
|
</tr>";
|
|
}
|
|
$out .= "
|
|
<tr>
|
|
<td></td>
|
|
<td class='mw-submit'>" .
|
|
Xml::submitButton( wfMsg( 'confirm' ), array( 'id' => 'mw-Protect-submit' ) ) .
|
|
"</td>
|
|
</tr>\n";
|
|
$out .= Xml::closeElement( 'tbody' ) . Xml::closeElement( 'table' );
|
|
}
|
|
$out .= Xml::closeElement( 'fieldset' );
|
|
|
|
if ( $wgUser->isAllowed( 'editinterface' ) ) {
|
|
$title = Title::makeTitle( NS_MEDIAWIKI, 'Protect-dropdown' );
|
|
$link = $wgUser->getSkin()->link(
|
|
$title,
|
|
wfMsgHtml( 'protect-edit-reasonlist' ),
|
|
array(),
|
|
array( 'action' => 'edit' )
|
|
);
|
|
$out .= '<p class="mw-protect-editreasons">' . $link . '</p>';
|
|
}
|
|
|
|
if ( !$this->disabled ) {
|
|
$out .= Xml::closeElement( 'form' );
|
|
$wgOut->addScript( $this->buildCleanupScript() );
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Build protection level selector
|
|
*
|
|
* @param $action String: action to protect
|
|
* @param $selected String: current protection level
|
|
* @return String: HTML fragment
|
|
*/
|
|
function buildSelector( $action, $selected ) {
|
|
global $wgRestrictionLevels, $wgUser;
|
|
|
|
$levels = array();
|
|
foreach( $wgRestrictionLevels as $key ) {
|
|
//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
|
|
if( $key == 'sysop' ) {
|
|
//special case, rewrite sysop to protect and editprotected
|
|
if( !$wgUser->isAllowedAny( 'protect', 'editprotected' ) && !$this->disabled )
|
|
continue;
|
|
} else {
|
|
if( !$wgUser->isAllowed($key) && !$this->disabled )
|
|
continue;
|
|
}
|
|
$levels[] = $key;
|
|
}
|
|
|
|
$id = 'mwProtect-level-' . $action;
|
|
$attribs = array(
|
|
'id' => $id,
|
|
'name' => $id,
|
|
'size' => count( $levels ),
|
|
'onchange' => 'ProtectionForm.updateLevels(this)',
|
|
) + $this->disabledAttrib;
|
|
|
|
$out = Xml::openElement( 'select', $attribs );
|
|
foreach( $levels as $key ) {
|
|
$out .= Xml::option( $this->getOptionLabel( $key ), $key, $key == $selected );
|
|
}
|
|
$out .= Xml::closeElement( 'select' );
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Prepare the label for a protection selector option
|
|
*
|
|
* @param $permission String: permission required
|
|
* @return String
|
|
*/
|
|
private function getOptionLabel( $permission ) {
|
|
if( $permission == '' ) {
|
|
return wfMsg( 'protect-default' );
|
|
} else {
|
|
$msg = wfMessage( "protect-level-{$permission}" );
|
|
if( !$msg->exists() ) {
|
|
return $msg->text();
|
|
}
|
|
return wfMsg( 'protect-fallback', $permission );
|
|
}
|
|
}
|
|
|
|
function buildCleanupScript() {
|
|
global $wgRestrictionLevels, $wgGroupPermissions;
|
|
$script = 'var wgCascadeableLevels=';
|
|
$CascadeableLevels = array();
|
|
foreach( $wgRestrictionLevels as $key ) {
|
|
if ( (isset($wgGroupPermissions[$key]['protect']) && $wgGroupPermissions[$key]['protect']) || $key == 'protect' ) {
|
|
$CascadeableLevels[] = "'" . Xml::escapeJsString( $key ) . "'";
|
|
}
|
|
}
|
|
$script .= "[" . implode(',',$CascadeableLevels) . "];\n";
|
|
$options = (object)array(
|
|
'tableId' => 'mwProtectSet',
|
|
'labelText' => wfMsg( 'protect-unchain-permissions' ),
|
|
'numTypes' => count($this->mApplicableTypes),
|
|
'existingMatch' => 1 == count( array_unique( $this->mExistingExpiry ) ),
|
|
);
|
|
$encOptions = Xml::encodeJsVar( $options );
|
|
|
|
$script .= "ProtectionForm.init($encOptions)";
|
|
return Html::inlineScript( "if ( window.mediaWiki ) { $script }" );
|
|
}
|
|
|
|
/**
|
|
* Show protection long extracts for this page
|
|
*
|
|
* @param $out OutputPage
|
|
* @access private
|
|
*/
|
|
function showLogExtract( &$out ) {
|
|
# Show relevant lines from the protection log:
|
|
$out->addHTML( Xml::element( 'h2', null, LogPage::logName( 'protect' ) ) );
|
|
LogEventsList::showLogExtract( $out, 'protect', $this->mTitle->getPrefixedText() );
|
|
# Let extensions add other relevant log extracts
|
|
wfRunHooks( 'ProtectionForm::showLogExtract', array($this->mArticle,$out) );
|
|
}
|
|
}
|