86 lines
2.5 KiB
PHP
86 lines
2.5 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\EditPage\Constraint;
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use MediaWiki\Content\Content;
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use MediaWiki\Linker\LinkTarget;
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use StatusValue;
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/**
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* Verify the page does not redirect to itself unless
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* - the user is okay with a self redirect, or
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* - the page already redirected to itself before the edit
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*
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* @since 1.36
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* @internal
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*/
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class SelfRedirectConstraint implements IEditConstraint {
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private bool $allowSelfRedirect;
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private Content $newContent;
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private Content $originalContent;
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private LinkTarget $title;
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private string $result;
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/**
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* @param bool $allowSelfRedirect
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* @param Content $newContent
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* @param Content $originalContent
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* @param LinkTarget $title
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*/
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public function __construct(
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bool $allowSelfRedirect,
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Content $newContent,
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Content $originalContent,
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LinkTarget $title
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) {
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$this->allowSelfRedirect = $allowSelfRedirect;
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$this->newContent = $newContent;
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$this->originalContent = $originalContent;
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$this->title = $title;
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}
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public function checkConstraint(): string {
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if ( !$this->allowSelfRedirect
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&& $this->newContent->isRedirect()
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&& $this->newContent->getRedirectTarget()->equals( $this->title )
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) {
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// T29683 If the page already redirects to itself, don't warn.
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$currentTarget = $this->originalContent->getRedirectTarget();
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if ( !$currentTarget || !$currentTarget->equals( $this->title ) ) {
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$this->result = self::CONSTRAINT_FAILED;
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return self::CONSTRAINT_FAILED;
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}
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}
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$this->result = self::CONSTRAINT_PASSED;
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return self::CONSTRAINT_PASSED;
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}
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public function getLegacyStatus(): StatusValue {
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$statusValue = StatusValue::newGood();
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if ( $this->result === self::CONSTRAINT_FAILED ) {
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$statusValue->fatal( 'selfredirect' );
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$statusValue->value = self::AS_SELF_REDIRECT;
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}
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return $statusValue;
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}
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}
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