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<?php
/**
* Formatter for delete log entries.
*
* 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
* @author Niklas Laxström
* @license GPL-2.0-or-later
* @since 1.22
*/
namespace MediaWiki\Logging;
use MediaWiki\Api\ApiResult;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\SpecialPage\SpecialPage;
use RevisionDeleter;
/**
* This class formats delete log entries.
*
* @since 1.19
*/
class DeleteLogFormatter extends LogFormatter {
/** @var array|null */
private $parsedParametersDeleteLog;
/**
* @inheritDoc
*/
protected function getMessageKey() {
$key = parent::getMessageKey();
if ( in_array( $this->entry->getSubtype(), [ 'event', 'revision' ] ) ) {
if ( count( $this->getMessageParameters() ) < 5 ) {
// Messages: logentry-delete-event-legacy, logentry-delete-revision-legacy,
// logentry-suppress-event-legacy, logentry-suppress-revision-legacy
return "$key-legacy";
}
} elseif ( $this->entry->getSubtype() === 'restore' ) {
$rawParams = $this->entry->getParameters();
if ( !isset( $rawParams[':assoc:count'] ) ) {
// Message: logentry-delete-restore-nocount
return $key . '-nocount';
}
}
return $key;
}
/**
* @inheritDoc
*/
protected function getMessageParameters() {
if ( $this->parsedParametersDeleteLog !== null ) {
return $this->parsedParametersDeleteLog;
}
$params = parent::getMessageParameters();
$subtype = $this->entry->getSubtype();
if ( in_array( $subtype, [ 'event', 'revision' ] ) ) {
// $params[3] here is 'revision' or 'archive' for page revisions, 'oldimage' or
// 'filearchive' for file versions, or a comma-separated list of log_ids for log
// entries. $subtype here is 'revision' for page revisions and file
// versions, or 'event' for log entries.
if (
( $subtype === 'event' && count( $params ) === 6 )
|| (
$subtype === 'revision' && isset( $params[3] ) && count( $params ) === 7
&& in_array( $params[3], [ 'revision', 'archive', 'oldimage', 'filearchive' ] )
)
) {
// See RevDelList::getLogParams()/RevDelLogList::getLogParams()
$paramStart = $subtype === 'revision' ? 4 : 3;
$old = $this->parseBitField( $params[$paramStart + 1] );
$new = $this->parseBitField( $params[$paramStart + 2] );
[ $hid, $unhid, $extra ] = RevisionDeleter::getChanges( $new, $old );
$changes = [];
// messages used: revdelete-content-hid, revdelete-summary-hid, revdelete-uname-hid
foreach ( $hid as $v ) {
$changes[] = $this->msg( "$v-hid" )->plain();
}
// messages used: revdelete-content-unhid, revdelete-summary-unhid,
// revdelete-uname-unhid
foreach ( $unhid as $v ) {
$changes[] = $this->msg( "$v-unhid" )->plain();
}
foreach ( $extra as $v ) {
$changes[] = $this->msg( $v )->plain();
}
$changeText = $this->context->getLanguage()->listToText( $changes );
$newParams = array_slice( $params, 0, 3 );
$newParams[3] = $changeText;
$ids = is_array( $params[$paramStart] )
? $params[$paramStart]
: explode( ',', $params[$paramStart] );
$newParams[4] = $this->context->getLanguage()->formatNum( count( $ids ) );
$this->parsedParametersDeleteLog = $newParams;
return $this->parsedParametersDeleteLog;
} else {
$this->parsedParametersDeleteLog = array_slice( $params, 0, 3 );
return $this->parsedParametersDeleteLog;
}
} elseif ( $subtype === 'restore' ) {
$rawParams = $this->entry->getParameters();
if ( isset( $rawParams[':assoc:count'] ) ) {
$countList = [];
foreach ( $rawParams[':assoc:count'] as $type => $count ) {
if ( $count ) {
// Messages: restore-count-revisions, restore-count-files
$countList[] = $this->context->msg( 'restore-count-' . $type )
->numParams( $count )->plain();
}
}
$params[3] = $this->context->getLanguage()->listToText( $countList );
}
}
$this->parsedParametersDeleteLog = $params;
return $this->parsedParametersDeleteLog;
}
protected function parseBitField( $string ) {
// Input is like ofield=2134 or just the number
if ( strpos( $string, 'field=' ) === 1 ) {
[ , $field ] = explode( '=', $string );
return (int)$field;
} else {
return (int)$string;
}
}
public function getActionLinks() {
$linkRenderer = $this->getLinkRenderer();
if ( !$this->context->getAuthority()->isAllowed( 'deletedhistory' )
|| $this->entry->isDeleted( LogPage::DELETED_ACTION )
) {
return '';
}
switch ( $this->entry->getSubtype() ) {
case 'delete': // Show undelete link
case 'delete_redir':
case 'delete_redir2':
if ( $this->context->getAuthority()->isAllowed( 'undelete' ) ) {
$message = 'undeletelink';
} else {
$message = 'undeleteviewlink';
}
$revert = $linkRenderer->makeKnownLink(
SpecialPage::getTitleFor( 'Undelete' ),
$this->msg( $message )->text(),
[],
[ 'target' => $this->entry->getTarget()->getPrefixedDBkey() ]
);
return $this->msg( 'parentheses' )->rawParams( $revert )->escaped();
case 'revision': // If an edit was hidden from a page give a review link to the history
$params = $this->extractParameters();
if ( !isset( $params[3] ) || !isset( $params[4] ) ) {
return '';
}
// Different revision types use different URL params...
$key = $params[3];
// This is a array or CSV of the IDs
$ids = is_array( $params[4] )
? $params[4]
: explode( ',', $params[4] );
$links = [];
// If there's only one item, we can show a diff link
if ( count( $ids ) == 1 ) {
// Live revision diffs...
if ( $key == 'oldid' || $key == 'revision' ) {
$links[] = $linkRenderer->makeKnownLink(
$this->entry->getTarget(),
$this->msg( 'diff' )->text(),
[],
[
'diff' => intval( $ids[0] ),
'unhide' => 1
]
);
// Deleted revision diffs...
} elseif ( $key == 'artimestamp' || $key == 'archive' ) {
$links[] = $linkRenderer->makeKnownLink(
SpecialPage::getTitleFor( 'Undelete' ),
$this->msg( 'diff' )->text(),
[],
[
'target' => $this->entry->getTarget()->getPrefixedDBkey(),
'diff' => 'prev',
'timestamp' => $ids[0]
]
);
}
}
// View/modify link...
$links[] = $linkRenderer->makeKnownLink(
SpecialPage::getTitleFor( 'Revisiondelete' ),
$this->msg( 'revdel-restore' )->text(),
[],
[
'target' => $this->entry->getTarget()->getPrefixedText(),
'type' => $key,
'ids' => implode( ',', $ids ),
]
);
return $this->msg( 'parentheses' )->rawParams(
$this->context->getLanguage()->pipeList( $links ) )->escaped();
case 'event': // Hidden log items, give review link
$params = $this->extractParameters();
if ( !isset( $params[3] ) ) {
return '';
}
// This is a CSV of the IDs
$query = $params[3];
if ( is_array( $query ) ) {
$query = implode( ',', $query );
}
// Link to each hidden object ID, $params[1] is the url param
$revert = $linkRenderer->makeKnownLink(
SpecialPage::getTitleFor( 'Revisiondelete' ),
$this->msg( 'revdel-restore' )->text(),
[],
[
'target' => $this->entry->getTarget()->getPrefixedText(),
'type' => 'logging',
'ids' => $query
]
);
return $this->msg( 'parentheses' )->rawParams( $revert )->escaped();
default:
return '';
}
}
protected function getParametersForApi() {
$entry = $this->entry;
$params = [];
$subtype = $this->entry->getSubtype();
if ( in_array( $subtype, [ 'event', 'revision' ] ) ) {
$rawParams = $entry->getParameters();
if ( $subtype === 'event' ) {
array_unshift( $rawParams, 'logging' );
}
static $map = [
'4::type',
'5::ids',
'6::ofield',
'7::nfield',
'4::ids' => '5::ids',
'5::ofield' => '6::ofield',
'6::nfield' => '7::nfield',
];
foreach ( $map as $index => $key ) {
if ( isset( $rawParams[$index] ) ) {
$rawParams[$key] = $rawParams[$index];
unset( $rawParams[$index] );
}
}
if ( !is_array( $rawParams['5::ids'] ) ) {
$rawParams['5::ids'] = explode( ',', $rawParams['5::ids'] );
}
$params = [
'::type' => $rawParams['4::type'],
':array:ids' => $rawParams['5::ids'],
];
static $fields = [
RevisionRecord::DELETED_TEXT => 'content',
RevisionRecord::DELETED_COMMENT => 'comment',
RevisionRecord::DELETED_USER => 'user',
RevisionRecord::DELETED_RESTRICTED => 'restricted',
];
if ( isset( $rawParams['6::ofield'] ) ) {
$old = $this->parseBitField( $rawParams['6::ofield'] );
$params[':assoc:old'] = [ 'bitmask' => $old ];
foreach ( $fields as $bit => $key ) {
$params[':assoc:old'][$key] = (bool)( $old & $bit );
}
}
if ( isset( $rawParams['7::nfield'] ) ) {
$new = $this->parseBitField( $rawParams['7::nfield'] );
$params[':assoc:new'] = [ 'bitmask' => $new ];
foreach ( $fields as $bit => $key ) {
$params[':assoc:new'][$key] = (bool)( $new & $bit );
}
}
} elseif ( $subtype === 'restore' ) {
$rawParams = $entry->getParameters();
if ( isset( $rawParams[':assoc:count'] ) ) {
$params[':assoc:count'] = $rawParams[':assoc:count'];
}
}
return $params;
}
public function formatParametersForApi() {
$ret = parent::formatParametersForApi();
if ( isset( $ret['ids'] ) ) {
ApiResult::setIndexedTagName( $ret['ids'], 'id' );
}
return $ret;
}
}
/** @deprecated class alias since 1.44 */
class_alias( DeleteLogFormatter::class, 'DeleteLogFormatter' );