mirror of
https://gerrit.wikimedia.org/r/mediawiki/skins/MinervaNeue
synced 2024-12-18 08:40:49 +00:00
292 lines
8.2 KiB
PHP
292 lines
8.2 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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namespace MediaWiki\Minerva\Permissions;
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use ContentHandler;
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use MediaWiki\Config\Config;
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use MediaWiki\Config\ConfigException;
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use MediaWiki\Content\IContentHandlerFactory;
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use MediaWiki\Context\IContextSource;
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use MediaWiki\MainConfigNames;
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use MediaWiki\Minerva\LanguagesHelper;
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use MediaWiki\Minerva\SkinOptions;
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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\Title\Title;
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use MediaWiki\User\UserFactory;
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use MediaWiki\Watchlist\WatchlistManager;
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/**
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* A wrapper for all available Minerva permissions.
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*/
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final class MinervaPagePermissions implements IMinervaPagePermissions {
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/** @var Title Current page title */
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private ?Title $title;
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/** @var Config Extension config */
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private Config $config;
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private Authority $performer;
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private OutputPage $out;
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private ContentHandler $contentHandler;
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private SkinOptions $skinOptions;
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private LanguagesHelper $languagesHelper;
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private PermissionManager $permissionManager;
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private IContentHandlerFactory $contentHandlerFactory;
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private UserFactory $userFactory;
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private WatchlistManager $watchlistManager;
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/**
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* Initialize internal Minerva Permissions system
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* @param SkinOptions $skinOptions
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* @param LanguagesHelper $languagesHelper
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* @param PermissionManager $permissionManager
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* @param IContentHandlerFactory $contentHandlerFactory
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* @param UserFactory $userFactory
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* @param WatchlistManager $watchlistManager
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*/
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public function __construct(
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SkinOptions $skinOptions,
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LanguagesHelper $languagesHelper,
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PermissionManager $permissionManager,
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IContentHandlerFactory $contentHandlerFactory,
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UserFactory $userFactory,
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WatchlistManager $watchlistManager
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) {
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$this->skinOptions = $skinOptions;
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$this->languagesHelper = $languagesHelper;
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$this->permissionManager = $permissionManager;
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$this->contentHandlerFactory = $contentHandlerFactory;
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$this->userFactory = $userFactory;
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$this->watchlistManager = $watchlistManager;
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}
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/**
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* @param IContextSource $context
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* @return $this
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*/
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public function setContext( IContextSource $context ): self {
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$this->title = $context->getTitle();
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$this->config = $context->getConfig();
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$this->performer = $context->getAuthority();
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$this->out = $context->getOutput();
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// Title may be undefined in certain contexts (T179833)
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// TODO: Check if this is still true if we always pass a context instead of using global one
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if ( $this->title ) {
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$this->contentHandler = $this->contentHandlerFactory->getContentHandler(
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$this->title->getContentModel()
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);
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}
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return $this;
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}
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/**
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* Gets whether or not the action is allowed.
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*
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* Actions isn't allowed when:
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* <ul>
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* <li>the user is on the main page</li>
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* </ul>
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*
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* The "edit" action is not allowed if editing is not possible on the page
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* @see method isCurrentPageContentModelEditable
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*
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* The "switch-language" is allowed if there are interlanguage links on the page,
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* or <code>$wgMinervaAlwaysShowLanguageButton</code> is truthy.
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*
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* @inheritDoc
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* @throws ConfigException
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*/
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public function isAllowed( $action ): bool {
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if ( !$this->title ) {
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return false;
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}
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// T206406: Enable "Talk" or "Discussion" button on Main page, also, not forgetting
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// the "switch-language" button. But disable "edit" and "watch" actions.
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if ( $this->title->isMainPage() ) {
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if ( $action === self::SWITCH_LANGUAGE ) {
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return !$this->config->get( MainConfigNames::HideInterlanguageLinks );
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}
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// Only the talk page is allowed on the main page provided user is registered.
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// talk page permission is disabled on mobile for anons
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// https://phabricator.wikimedia.org/T54165
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return $action === self::TALK && $this->performer->isRegistered();
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}
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if ( $action === self::TALK ) {
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return (
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$this->title->isTalkPage() ||
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$this->title->canHaveTalkPage()
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);
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}
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if ( $action === self::HISTORY && $this->title->exists() ) {
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return $this->skinOptions->get( SkinOptions::HISTORY_IN_PAGE_ACTIONS );
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}
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if ( $action === SkinOptions::TOOLBAR_SUBMENU ) {
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return $this->skinOptions->get( SkinOptions::TOOLBAR_SUBMENU );
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}
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if ( $action === self::EDIT_OR_CREATE ) {
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return $this->canEditOrCreate();
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}
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if ( $action === self::CONTENT_EDIT ) {
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return $this->isCurrentPageContentModelEditable();
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}
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if ( $action === self::WATCHABLE || $action === self::WATCH ) {
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$isWatchable = $this->watchlistManager->isWatchable( $this->title );
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if ( $action === self::WATCHABLE ) {
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return $isWatchable;
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}
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if ( $action === self::WATCH ) {
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return $isWatchable &&
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$this->performer->isAllowedAll( 'viewmywatchlist', 'editmywatchlist' );
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}
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}
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if ( $action === self::SWITCH_LANGUAGE ) {
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if ( $this->config->get( MainConfigNames::HideInterlanguageLinks ) ) {
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return false;
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}
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return $this->languagesHelper->doesTitleHasLanguagesOrVariants( $this->out, $this->title ) ||
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$this->config->get( 'MinervaAlwaysShowLanguageButton' );
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}
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if ( $action === self::MOVE ) {
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return $this->canMove();
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}
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if ( $action === self::DELETE ) {
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return $this->canDelete();
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}
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if ( $action === self::PROTECT ) {
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return $this->canProtect();
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}
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// Unknown action has been passed.
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return false;
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}
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/**
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* @inheritDoc
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*/
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public function isTalkAllowed(): bool {
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return $this->isAllowed( self::TALK );
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}
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/**
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* Checks whether the editor can handle the existing content handler type.
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*
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* @return bool
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*/
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protected function isCurrentPageContentModelEditable(): bool {
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if ( !$this->contentHandler ) {
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return false;
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}
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if (
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$this->contentHandler->supportsDirectEditing() &&
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$this->contentHandler->supportsDirectApiEditing()
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) {
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return true;
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}
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// For content types with custom action=edit handlers, let them do their thing
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if ( array_key_exists( 'edit', $this->contentHandler->getActionOverrides() ?? [] ) ) {
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return true;
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}
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return false;
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}
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/**
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* Returns true if $title page exists and is editable or is creatable by $user as determined by
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* quick checks.
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* @return bool
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*/
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private function canEditOrCreate(): bool {
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if ( !$this->title ) {
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return false;
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}
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$userQuickEditCheck =
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$this->performer->probablyCan( 'edit', $this->title ) && (
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$this->title->exists() ||
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$this->performer->probablyCan( 'create', $this->title )
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);
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if ( $this->performer->isRegistered() ) {
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$legacyUser = $this->userFactory->newFromAuthority( $this->performer );
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$blocked = $this->permissionManager->isBlockedFrom(
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$legacyUser, $this->title, true
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);
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} else {
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$blocked = false;
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}
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return $this->isCurrentPageContentModelEditable() && $userQuickEditCheck && !$blocked;
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}
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/**
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* Checks whether the user has the permissions to move the current page.
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*
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* @return bool
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*/
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private function canMove(): bool {
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if ( !$this->title ) {
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return false;
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}
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return $this->performer->probablyCan( 'move', $this->title )
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&& $this->title->exists();
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}
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/**
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* Checks whether the user has the permissions to delete the current page.
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*
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* @return bool
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*/
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private function canDelete(): bool {
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if ( !$this->title ) {
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return false;
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}
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return $this->performer->probablyCan( 'delete', $this->title )
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&& $this->title->exists();
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}
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/**
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* Checks whether the user has the permissions to change the protections status of the current page.
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*
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* @return bool
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*/
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private function canProtect(): bool {
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if ( !$this->title ) {
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return false;
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}
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return $this->performer->probablyCan( 'protect', $this->title )
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&& $this->title->exists();
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}
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}
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