638 lines
21 KiB
PHP
638 lines
21 KiB
PHP
<?php
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/**
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* Page protection
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*
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* Copyright © 2005 Brooke Vibber <bvibber@wikimedia.org>
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* https://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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namespace MediaWiki\Page;
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use Article;
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use ErrorPageError;
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use LogEventsList;
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use LogPage;
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use MediaWiki\CommentStore\CommentStore;
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use MediaWiki\Context\IContextSource;
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use MediaWiki\HookContainer\HookRunner;
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use MediaWiki\Html\Html;
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use MediaWiki\HTMLForm\HTMLForm;
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use MediaWiki\Language\Language;
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use MediaWiki\MediaWikiServices;
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use MediaWiki\Output\OutputPage;
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use MediaWiki\Permissions\Authority;
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use MediaWiki\Permissions\PermissionManager;
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use MediaWiki\Permissions\PermissionStatus;
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use MediaWiki\Permissions\RestrictionStore;
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use MediaWiki\Request\WebRequest;
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use MediaWiki\Title\Title;
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use MediaWiki\Title\TitleFormatter;
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use MediaWiki\Watchlist\WatchlistManager;
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use MediaWiki\Xml\Xml;
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use MediaWiki\Xml\XmlSelect;
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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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/** @var array A map of action to restriction level, from request or default */
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protected $mRestrictions = [];
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/** @var string The custom/additional protection reason */
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protected $mReason = '';
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/** @var string The reason selected from the list, blank for other/additional */
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protected $mReasonSelection = '';
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/** @var bool True if the restrictions are cascading, from request or existing protection */
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protected $mCascade = false;
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/** @var array Map of action to "other" expiry time. Used in preference to mExpirySelection. */
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protected $mExpiry = [];
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/**
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* @var array 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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protected $mExpirySelection = [];
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/** @var PermissionStatus Permissions errors for the protect action */
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protected $mPermStatus;
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/** @var array Types (i.e. actions) for which levels can be selected */
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protected $mApplicableTypes = [];
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/** @var array Map of action to the expiry time of the existing protection */
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protected $mExistingExpiry = [];
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protected Article $mArticle;
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protected Title $mTitle;
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protected bool $disabled;
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protected array $disabledAttrib;
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private IContextSource $mContext;
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private WebRequest $mRequest;
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private Authority $mPerformer;
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private Language $mLang;
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private OutputPage $mOut;
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private PermissionManager $permManager;
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private HookRunner $hookRunner;
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private WatchlistManager $watchlistManager;
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private TitleFormatter $titleFormatter;
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private RestrictionStore $restrictionStore;
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public function __construct( Article $article ) {
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// Set instance variables.
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$this->mArticle = $article;
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$this->mTitle = $article->getTitle();
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$this->mContext = $article->getContext();
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$this->mRequest = $this->mContext->getRequest();
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$this->mPerformer = $this->mContext->getAuthority();
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$this->mOut = $this->mContext->getOutput();
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$this->mLang = $this->mContext->getLanguage();
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$services = MediaWikiServices::getInstance();
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$this->permManager = $services->getPermissionManager();
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$this->hookRunner = new HookRunner( $services->getHookContainer() );
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$this->watchlistManager = $services->getWatchlistManager();
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$this->titleFormatter = $services->getTitleFormatter();
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$this->restrictionStore = $services->getRestrictionStore();
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$this->mApplicableTypes = $this->restrictionStore->listApplicableRestrictionTypes( $this->mTitle );
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// Check if the form should be disabled.
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// If it is, the form will be available in read-only to show levels.
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$this->mPermStatus = PermissionStatus::newEmpty();
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if ( $this->mRequest->wasPosted() ) {
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$this->mPerformer->authorizeWrite( 'protect', $this->mTitle, $this->mPermStatus );
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} else {
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$this->mPerformer->authorizeRead( 'protect', $this->mTitle, $this->mPermStatus );
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}
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$readOnlyMode = $services->getReadOnlyMode();
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if ( $readOnlyMode->isReadOnly() ) {
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$this->mPermStatus->fatal( 'readonlytext', $readOnlyMode->getReason() );
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}
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$this->disabled = !$this->mPermStatus->isGood();
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$this->disabledAttrib = $this->disabled ? [ 'disabled' => 'disabled' ] : [];
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$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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private function loadData() {
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$levels = $this->permManager->getNamespaceRestrictionLevels(
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$this->mTitle->getNamespace(), $this->mPerformer->getUser()
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);
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$this->mCascade = $this->restrictionStore->areRestrictionsCascading( $this->mTitle );
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$this->mReason = $this->mRequest->getText( 'mwProtect-reason' );
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$this->mReasonSelection = $this->mRequest->getText( 'wpProtectReasonSelection' );
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$this->mCascade = $this->mRequest->getBool( 'mwProtect-cascade', $this->mCascade );
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foreach ( $this->mApplicableTypes as $action ) {
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// @todo FIXME: This form currently requires individual selections,
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// but the db allows multiples separated by commas.
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// Pull the actual restriction from the DB
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$this->mRestrictions[$action] = implode( '',
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$this->restrictionStore->getRestrictions( $this->mTitle, $action ) );
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if ( !$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->restrictionStore->getRestrictionExpiry( $this->mTitle, $action );
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}
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$this->mExistingExpiry[$action] = $existingExpiry;
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$requestExpiry = $this->mRequest->getText( "mwProtect-expiry-$action" );
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$requestExpirySelection = $this->mRequest->getVal( "wpProtectExpirySelection-$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 ( $existingExpiry ) {
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// Use existing expiry in its own list item
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$this->mExpiry[$action] = '';
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$this->mExpirySelection[$action] = $existingExpiry;
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} else {
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// Catches 'infinity' - Existing expiry is infinite, use "infinite" in drop-down
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// Final default: infinite
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$this->mExpiry[$action] = '';
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$this->mExpirySelection[$action] = 'infinite';
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}
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$val = $this->mRequest->getVal( "mwProtect-level-$action" );
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if ( isset( $val ) && in_array( $val, $levels ) ) {
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$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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* @param string $action
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*
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* @return string|false 14-char timestamp or "infinity", or false if the input was invalid
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*/
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private 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 ( wfIsInfinity( $value ) ) {
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$time = 'infinity';
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} else {
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$unix = strtotime( $value );
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if ( !$unix || $unix === -1 ) {
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return false;
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}
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// @todo FIXME: Non-qualified absolute times are not in users specified timezone
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// and there isn't notice about it in the ui
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$time = wfTimestamp( TS_MW, $unix );
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}
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return $time;
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}
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/**
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* Main entry point for action=protect and action=unprotect
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*/
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public function execute() {
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if (
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$this->permManager->getNamespaceRestrictionLevels(
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$this->mTitle->getNamespace()
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) === [ '' ]
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) {
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throw new ErrorPageError( 'protect-badnamespace-title', 'protect-badnamespace-text' );
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}
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if ( $this->mRequest->wasPosted() ) {
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if ( $this->save() ) {
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$q = $this->mArticle->getPage()->isRedirect() ? 'redirect=no' : '';
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$this->mOut->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 string|string[]|null $err Error message or null if there's no error
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* @phan-param string|non-empty-array|null $err
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*/
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private function show( $err = null ) {
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$out = $this->mOut;
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$out->setRobotPolicy( 'noindex,nofollow' );
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$out->addBacklinkSubtitle( $this->mTitle );
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if ( is_array( $err ) ) {
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$out->addHTML( Html::errorBox( $out->msg( ...$err )->parse() ) );
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} elseif ( is_string( $err ) ) {
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$out->addHTML( Html::errorBox( $err ) );
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}
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if ( $this->mApplicableTypes === [] ) {
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// No restriction types available for the current title
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// this might happen if an extension alters the available types
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$out->setPageTitleMsg( $this->mContext->msg(
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'protect-norestrictiontypes-title'
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)->plaintextParams(
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$this->mTitle->getPrefixedText()
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) );
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$out->addWikiTextAsInterface(
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$this->mContext->msg( 'protect-norestrictiontypes-text' )->plain()
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);
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// Show the log in case protection was possible once
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$this->showLogExtract();
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// return as there isn't anything else we can do
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return;
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}
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[ $cascadeSources, /* $restrictions */ ] =
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$this->restrictionStore->getCascadeProtectionSources( $this->mTitle );
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if ( count( $cascadeSources ) > 0 ) {
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$titles = '';
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foreach ( $cascadeSources as $pageIdentity ) {
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$titles .= '* [[:' . $this->titleFormatter->getPrefixedText( $pageIdentity ) . "]]\n";
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}
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/** @todo FIXME: i18n issue, should use formatted number. */
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$out->wrapWikiMsg(
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"<div id=\"mw-protect-cascadeon\">\n$1\n" . $titles . "</div>",
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[ 'protect-cascadeon', count( $cascadeSources ) ]
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);
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}
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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 ( $this->disabled ) {
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$out->setPageTitleMsg(
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$this->mContext->msg( 'protect-title-notallowed' )->plaintextParams( $this->mTitle->getPrefixedText() )
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);
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$out->addWikiTextAsInterface(
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$out->formatPermissionStatus( $this->mPermStatus, 'protect' )
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);
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} else {
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$out->setPageTitleMsg(
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$this->mContext->msg( 'protect-title' )->plaintextParams( $this->mTitle->getPrefixedText() )
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);
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$out->addWikiMsg( 'protect-text',
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wfEscapeWikiText( $this->mTitle->getPrefixedText() ) );
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}
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$out->addHTML( $this->buildForm() );
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$this->showLogExtract();
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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 bool Success
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*/
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private function save() {
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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 = $this->mRequest->getVal( 'wpEditToken' );
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$legacyUser = MediaWikiServices::getInstance()
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->getUserFactory()
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->newFromAuthority( $this->mPerformer );
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if ( !$legacyUser->matchEditToken( $token, [ 'protect', $this->mTitle->getPrefixedDBkey() ] ) ) {
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$this->show( [ '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 .= $this->mContext->msg( 'colon-separator' )->text() . $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 = [];
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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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// unprotected
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continue;
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}
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if ( !$expiry[$action] ) {
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$this->show( [ '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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$this->show( [ 'protect_expiry_old' ] );
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return false;
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}
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}
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$this->mCascade = $this->mRequest->getBool( 'mwProtect-cascade' );
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$status = $this->mArticle->getPage()->doUpdateRestrictions(
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$this->mRestrictions,
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$expiry,
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$this->mCascade,
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$reasonstr,
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$this->mPerformer->getUser()
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);
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if ( !$status->isOK() ) {
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$this->show( $this->mOut->parseInlineAsInterface(
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$status->getWikiText( false, false, $this->mLang )
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) );
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return false;
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}
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/**
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* Give extensions a change to handle added form items
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*
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* @since 1.19 you can (and you should) return false to abort saving;
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* you can also return an array of message name and its parameters
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*/
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$errorMsg = '';
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if ( !$this->hookRunner->onProtectionForm__save( $this->mArticle, $errorMsg, $reasonstr ) ) {
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if ( $errorMsg == '' ) {
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$errorMsg = [ 'hookaborted' ];
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}
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}
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if ( $errorMsg != '' ) {
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$this->show( $errorMsg );
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return false;
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}
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$this->watchlistManager->setWatch(
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$this->mRequest->getCheck( 'mwProtectWatch' ),
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$this->mPerformer,
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$this->mTitle
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);
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return true;
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}
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/**
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* Build the input form
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*
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* @return string HTML form
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*/
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private function buildForm() {
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$this->mOut->enableOOUI();
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$out = '';
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$fields = [];
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if ( !$this->disabled ) {
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$this->mOut->addModules( 'mediawiki.action.protect' );
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$this->mOut->addModuleStyles( 'mediawiki.action.styles' );
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}
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$scExpiryOptions = $this->mContext->msg( 'protect-expiry-options' )->inContentLanguage()->text();
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$levels = $this->permManager->getNamespaceRestrictionLevels(
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$this->mTitle->getNamespace(),
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$this->disabled ? null : $this->mPerformer->getUser()
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);
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// Not all languages have V_x <-> N_x relation
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foreach ( $this->mRestrictions as $action => $selected ) {
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// Messages:
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// restriction-edit, restriction-move, restriction-create, restriction-upload
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$section = 'restriction-' . $action;
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$id = 'mwProtect-level-' . $action;
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$options = [];
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foreach ( $levels as $key ) {
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$options[$this->getOptionLabel( $key )] = $key;
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}
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$fields[$id] = [
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'type' => 'select',
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'name' => $id,
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'default' => $selected,
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'id' => $id,
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'size' => count( $levels ),
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'options' => $options,
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'disabled' => $this->disabled,
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'section' => $section,
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];
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$expiryOptions = [];
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if ( $this->mExistingExpiry[$action] ) {
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if ( $this->mExistingExpiry[$action] == 'infinity' ) {
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$existingExpiryMessage = $this->mContext->msg( 'protect-existing-expiry-infinity' );
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} else {
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$existingExpiryMessage = $this->mContext->msg( 'protect-existing-expiry' )
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->dateTimeParams( $this->mExistingExpiry[$action] )
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->dateParams( $this->mExistingExpiry[$action] )
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->timeParams( $this->mExistingExpiry[$action] );
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}
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$expiryOptions[$existingExpiryMessage->text()] = 'existing';
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}
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$expiryOptions[$this->mContext->msg( 'protect-othertime-op' )->text()] = 'othertime';
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$expiryOptions = array_merge( $expiryOptions, XmlSelect::parseOptionsMessage( $scExpiryOptions ) );
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# Add expiry dropdown
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$fields["wpProtectExpirySelection-$action"] = [
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'type' => 'select',
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'name' => "wpProtectExpirySelection-$action",
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'id' => "mwProtectExpirySelection-$action",
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'tabindex' => '2',
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'disabled' => $this->disabled,
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'label' => $this->mContext->msg( 'protectexpiry' )->text(),
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'options' => $expiryOptions,
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'default' => $this->mExpirySelection[$action],
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'section' => $section,
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];
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# Add custom expiry field
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if ( !$this->disabled ) {
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$fields["mwProtect-expiry-$action"] = [
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'type' => 'text',
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'label' => $this->mContext->msg( 'protect-othertime' )->text(),
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'name' => "mwProtect-expiry-$action",
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'id' => "mwProtect-$action-expires",
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'size' => 50,
|
|
'default' => $this->mExpiry[$action],
|
|
'disabled' => $this->disabled,
|
|
'section' => $section,
|
|
];
|
|
}
|
|
}
|
|
|
|
# Give extensions a chance to add items to the form
|
|
$hookFormRaw = '';
|
|
$hookFormOptions = [];
|
|
|
|
$this->hookRunner->onProtectionForm__buildForm( $this->mArticle, $hookFormRaw );
|
|
$this->hookRunner->onProtectionFormAddFormFields( $this->mArticle, $hookFormOptions );
|
|
|
|
# Merge forms added from addFormFields
|
|
$fields = array_merge( $fields, $hookFormOptions );
|
|
|
|
# Add raw sections added in buildForm
|
|
if ( $hookFormRaw ) {
|
|
$fields['rawinfo'] = [
|
|
'type' => 'info',
|
|
'default' => $hookFormRaw,
|
|
'raw' => true,
|
|
'section' => 'restriction-blank'
|
|
];
|
|
}
|
|
|
|
# JavaScript will add another row with a value-chaining checkbox
|
|
if ( $this->mTitle->exists() ) {
|
|
$fields['mwProtect-cascade'] = [
|
|
'type' => 'check',
|
|
'label' => $this->mContext->msg( 'protect-cascade' )->text(),
|
|
'id' => 'mwProtect-cascade',
|
|
'name' => 'mwProtect-cascade',
|
|
'default' => $this->mCascade,
|
|
'disabled' => $this->disabled,
|
|
];
|
|
}
|
|
|
|
# Add manual and custom reason field/selects as well as submit
|
|
if ( !$this->disabled ) {
|
|
// HTML maxlength uses "UTF-16 code units", which means that characters outside BMP
|
|
// (e.g. emojis) count for two each. This limit is overridden in JS to instead count
|
|
// Unicode codepoints.
|
|
// Subtract arbitrary 75 to leave some space for the autogenerated null edit's summary
|
|
// and other texts chosen by dropdown menus on this page.
|
|
$maxlength = CommentStore::COMMENT_CHARACTER_LIMIT - 75;
|
|
$fields['wpProtectReasonSelection'] = [
|
|
'type' => 'select',
|
|
'cssclass' => 'mwProtect-reason',
|
|
'label' => $this->mContext->msg( 'protectcomment' )->text(),
|
|
'tabindex' => 4,
|
|
'id' => 'wpProtectReasonSelection',
|
|
'name' => 'wpProtectReasonSelection',
|
|
'flatlist' => true,
|
|
'options' => Html::listDropdownOptions(
|
|
$this->mContext->msg( 'protect-dropdown' )->inContentLanguage()->text(),
|
|
[ 'other' => $this->mContext->msg( 'protect-otherreason-op' )->text() ]
|
|
),
|
|
'default' => $this->mReasonSelection,
|
|
];
|
|
$fields['mwProtect-reason'] = [
|
|
'type' => 'text',
|
|
'id' => 'mwProtect-reason',
|
|
'label' => $this->mContext->msg( 'protect-otherreason' )->text(),
|
|
'name' => 'mwProtect-reason',
|
|
'size' => 60,
|
|
'maxlength' => $maxlength,
|
|
'default' => $this->mReason,
|
|
];
|
|
# Disallow watching if user is not logged in
|
|
if ( $this->mPerformer->getUser()->isRegistered() ) {
|
|
$fields['mwProtectWatch'] = [
|
|
'type' => 'check',
|
|
'id' => 'mwProtectWatch',
|
|
'label' => $this->mContext->msg( 'watchthis' )->text(),
|
|
'name' => 'mwProtectWatch',
|
|
'default' => (
|
|
$this->watchlistManager->isWatched( $this->mPerformer, $this->mTitle )
|
|
|| MediaWikiServices::getInstance()->getUserOptionsLookup()->getOption(
|
|
$this->mPerformer->getUser(),
|
|
'watchdefault'
|
|
)
|
|
),
|
|
];
|
|
}
|
|
}
|
|
|
|
if ( $this->mPerformer->isAllowed( 'editinterface' ) ) {
|
|
$linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
|
|
$link = $linkRenderer->makeKnownLink(
|
|
$this->mContext->msg( 'protect-dropdown' )->inContentLanguage()->getTitle(),
|
|
$this->mContext->msg( 'protect-edit-reasonlist' )->text(),
|
|
[],
|
|
[ 'action' => 'edit' ]
|
|
);
|
|
$out .= '<p class="mw-protect-editreasons">' . $link . '</p>';
|
|
}
|
|
|
|
$htmlForm = HTMLForm::factory( 'ooui', $fields, $this->mContext );
|
|
$htmlForm
|
|
->setMethod( 'post' )
|
|
->setId( 'mw-Protect-Form' )
|
|
->setTableId( 'mw-protect-table2' )
|
|
->setAction( $this->mTitle->getLocalURL( 'action=protect' ) )
|
|
->setSubmitID( 'mw-Protect-submit' )
|
|
->setSubmitTextMsg( 'confirm' )
|
|
->setTokenSalt( [ 'protect', $this->mTitle->getPrefixedDBkey() ] )
|
|
->suppressDefaultSubmit( $this->disabled )
|
|
->setWrapperLegendMsg( 'protect-legend' )
|
|
->prepareForm();
|
|
|
|
return $htmlForm->getHTML( false ) . $out;
|
|
}
|
|
|
|
/**
|
|
* Prepare the label for a protection selector option
|
|
*
|
|
* @param string $permission Permission required
|
|
* @return string
|
|
*/
|
|
private function getOptionLabel( $permission ) {
|
|
if ( $permission == '' ) {
|
|
return $this->mContext->msg( 'protect-default' )->text();
|
|
} else {
|
|
// Messages: protect-level-autoconfirmed, protect-level-sysop
|
|
$msg = $this->mContext->msg( "protect-level-{$permission}" );
|
|
if ( $msg->exists() ) {
|
|
return $msg->text();
|
|
}
|
|
return $this->mContext->msg( 'protect-fallback', $permission )->text();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Show protection long extracts for this page
|
|
*/
|
|
private function showLogExtract() {
|
|
# Show relevant lines from the protection log:
|
|
$protectLogPage = new LogPage( 'protect' );
|
|
$this->mOut->addHTML( Xml::element( 'h2', null, $protectLogPage->getName()->text() ) );
|
|
/** @phan-suppress-next-line PhanTypeMismatchPropertyByRef */
|
|
LogEventsList::showLogExtract( $this->mOut, 'protect', $this->mTitle );
|
|
# Let extensions add other relevant log extracts
|
|
$this->hookRunner->onProtectionForm__showLogExtract( $this->mArticle, $this->mOut );
|
|
}
|
|
}
|
|
|
|
/** @deprecated class alias since 1.40 */
|
|
class_alias( ProtectionForm::class, 'ProtectionForm' );
|