| Server IP : 167.235.224.122 / Your IP : 216.73.216.110 Web Server : Apache/2.4.58 (Ubuntu) System : Linux newplayground 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:33:11 UTC 2026 aarch64 User : deploy ( 1000) PHP Version : 8.4.23 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : OFF Directory : /var/www/html/wiki/includes/revisiondelete/ |
Upload File : |
<?php
/**
* Revision/log/file deletion backend
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup RevisionDelete
*/
use MediaWiki\Context\IContextSource;
use MediaWiki\MediaWikiServices;
use MediaWiki\Page\PageIdentity;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\Title\Title;
/**
* General controller for RevDel, used by both SpecialRevisiondelete and
* ApiRevisionDelete.
* @ingroup RevisionDelete
*/
class RevisionDeleter {
/**
* List of known revdel types, with their corresponding ObjectFactory spec to
* create the relevant class. All specs need to include DBLoadBalancerFactory,
* which is used in the base RevDelList class
*/
private const ALLOWED_TYPES = [
'revision' => [
'class' => RevDelRevisionList::class,
'services' => [
'DBLoadBalancerFactory',
'HookContainer',
'HtmlCacheUpdater',
'RevisionStore',
],
],
'archive' => [
'class' => RevDelArchiveList::class,
'services' => [
'DBLoadBalancerFactory',
'HookContainer',
'HtmlCacheUpdater',
'RevisionStore',
],
],
'oldimage' => [
'class' => RevDelFileList::class,
'services' => [
'DBLoadBalancerFactory',
'HtmlCacheUpdater',
'RepoGroup',
],
],
'filearchive' => [
'class' => RevDelArchivedFileList::class,
'services' => [
'DBLoadBalancerFactory',
'HtmlCacheUpdater',
'RepoGroup',
],
],
'logging' => [
'class' => RevDelLogList::class,
'services' => [
'DBLoadBalancerFactory',
'CommentStore',
'LogFormatterFactory',
],
],
];
/** Type map to support old log entries */
private const DEPRECATED_TYPE_MAP = [
'oldid' => 'revision',
'artimestamp' => 'archive',
'oldimage' => 'oldimage',
'fileid' => 'filearchive',
'logid' => 'logging',
];
/**
* Lists the valid possible types for revision deletion.
*
* @since 1.22
* @return array
*/
public static function getTypes() {
return array_keys( self::ALLOWED_TYPES );
}
/**
* Gets the canonical type name, if any.
*
* @since 1.22
* @param string $typeName
* @return string|null
*/
public static function getCanonicalTypeName( $typeName ) {
if ( isset( self::DEPRECATED_TYPE_MAP[$typeName] ) ) {
$typeName = self::DEPRECATED_TYPE_MAP[$typeName];
}
return isset( self::ALLOWED_TYPES[$typeName] ) ? $typeName : null;
}
/**
* Instantiate the appropriate list class for a given list of IDs.
*
* @since 1.22
* @param string $typeName RevDel type, see RevisionDeleter::getTypes()
* @param IContextSource $context
* @param PageIdentity $page
* @param array $ids
* @return RevDelList
*/
public static function createList( $typeName, IContextSource $context, PageIdentity $page, array $ids ) {
$typeName = self::getCanonicalTypeName( $typeName );
if ( !$typeName ) {
throw new InvalidArgumentException( __METHOD__ . ": Unknown RevDel type '$typeName'" );
}
$spec = self::ALLOWED_TYPES[$typeName];
$objectFactory = MediaWikiServices::getInstance()->getObjectFactory();
// ObjectFactory::createObject accepts an array, not just a callable (phan bug)
// @phan-suppress-next-line PhanTypeInvalidCallableArrayKey
return $objectFactory->createObject(
$spec,
[
'extraArgs' => [ $context, $page, $ids ],
'assertClass' => RevDelList::class,
]
);
}
/**
* Checks for a change in the bitfield for a certain option and updates the
* provided array accordingly.
*
* @param string $desc Description to add to the array if the option was
* enabled / disabled.
* @param int $field The bitmask describing the single option.
* @param int $diff The xor of the old and new bitfields.
* @param int $new The new bitfield
* @param array &$arr The array to update.
*/
protected static function checkItem( $desc, $field, $diff, $new, &$arr ) {
if ( $diff & $field ) {
$arr[( $new & $field ) ? 0 : 1][] = $desc;
}
}
/**
* Gets an array of message keys describing the changes made to the
* visibility of the revision.
*
* If the resulting array is $arr, then $arr[0] will contain an array of
* keys describing the items that were hidden, $arr[1] will contain
* an array of keys describing the items that were unhidden, and $arr[2]
* will contain an array with a single message key, which can be one of
* "revdelete-restricted", "revdelete-unrestricted" indicating (un)suppression
* or null to indicate nothing in particular.
* You can turn the keys in $arr[0] and $arr[1] into message keys by
* appending -hid and -unhid to the keys respectively.
*
* @param int $n The new bitfield.
* @param int $o The old bitfield.
* @return array An array as described above.
* @since 1.19 public
*/
public static function getChanges( $n, $o ) {
$diff = $n ^ $o;
$ret = [ 0 => [], 1 => [], 2 => [] ];
// Build bitfield changes in language
self::checkItem( 'revdelete-content',
RevisionRecord::DELETED_TEXT, $diff, $n, $ret );
self::checkItem( 'revdelete-summary',
RevisionRecord::DELETED_COMMENT, $diff, $n, $ret );
self::checkItem( 'revdelete-uname',
RevisionRecord::DELETED_USER, $diff, $n, $ret );
// Restriction application to sysops
if ( $diff & RevisionRecord::DELETED_RESTRICTED ) {
if ( $n & RevisionRecord::DELETED_RESTRICTED ) {
$ret[2][] = 'revdelete-restricted';
} else {
$ret[2][] = 'revdelete-unrestricted';
}
}
return $ret;
}
/** Get DB field name for URL param...
* Future code for other things may also track
* other types of revision-specific changes.
* @param string $typeName
* @return string|null One of log_id/rev_id/fa_id/ar_timestamp/oi_archive_name
*/
public static function getRelationType( $typeName ) {
$typeName = self::getCanonicalTypeName( $typeName );
if ( !$typeName ) {
return null;
}
$class = self::ALLOWED_TYPES[$typeName]['class'];
return $class::getRelationType();
}
/**
* Get the user right required for the RevDel type
* @since 1.22
* @param string $typeName
* @return string|null User right
*/
public static function getRestriction( $typeName ) {
$typeName = self::getCanonicalTypeName( $typeName );
if ( !$typeName ) {
return null;
}
$class = self::ALLOWED_TYPES[$typeName]['class'];
return $class::getRestriction();
}
/**
* Get the revision deletion constant for the RevDel type
* @since 1.22
* @param string $typeName
* @return int|null RevDel constant
*/
public static function getRevdelConstant( $typeName ) {
$typeName = self::getCanonicalTypeName( $typeName );
if ( !$typeName ) {
return null;
}
$class = self::ALLOWED_TYPES[$typeName]['class'];
return $class::getRevdelConstant();
}
/**
* Suggest a target for the revision deletion
* @since 1.22
* @param string $typeName
* @param Title|null $target User-supplied target
* @param array $ids
* @return Title|null
*/
public static function suggestTarget( $typeName, $target, array $ids ) {
$typeName = self::getCanonicalTypeName( $typeName );
if ( !$typeName ) {
return $target;
}
$class = self::ALLOWED_TYPES[$typeName]['class'];
return $class::suggestTarget(
$target,
$ids
);
}
/**
* Put together a rev_deleted bitfield
* @since 1.22
* @param array $bitPars ExtractBitParams() params
* @param int $oldfield Current bitfield
* @return int
*/
public static function extractBitfield( array $bitPars, $oldfield ) {
// Build the actual new rev_deleted bitfield
$newBits = 0;
foreach ( $bitPars as $const => $val ) {
if ( $val == 1 ) {
$newBits |= $const; // $const is the *_deleted const
} elseif ( $val == -1 ) {
$newBits |= ( $oldfield & $const ); // use existing
}
}
return $newBits;
}
}