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<?php
/**
* Formatter for user rights 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 Alexandre Emsenhuber
* @license GPL-2.0-or-later
* @since 1.22
*/
namespace MediaWiki\Logging;
use MediaWiki\Api\ApiResult;
use MediaWiki\MainConfigNames;
use MediaWiki\Message\Message;
use MediaWiki\Title\Title;
use MediaWiki\WikiMap\WikiMap;
/**
* This class formats rights log entries.
*
* @stable to extend Since 1.44
* @since 1.21
*/
class RightsLogFormatter extends LogFormatter {
protected function makePageLink( ?Title $title = null, $parameters = [], $html = null ) {
$userrightsInterwikiDelimiter = $this->context->getConfig()
->get( MainConfigNames::UserrightsInterwikiDelimiter );
if ( !$this->plaintext ) {
$text = $this->getContentLanguage()->
ucfirst( $title->getDBkey() );
$parts = explode( $userrightsInterwikiDelimiter, $text, 2 );
if ( count( $parts ) === 2 ) {
// @phan-suppress-next-line SecurityCheck-DoubleEscaped
$titleLink = WikiMap::foreignUserLink(
$parts[1],
$parts[0],
htmlspecialchars(
strtr( $parts[0], '_', ' ' ) .
$userrightsInterwikiDelimiter .
$parts[1]
)
);
if ( $titleLink !== false ) {
return $titleLink;
}
}
}
return parent::makePageLink( $title, $parameters, $title ? $title->getText() : null );
}
protected function getMessageKey() {
$key = parent::getMessageKey();
$params = $this->getMessageParameters();
if ( !isset( $params[3] ) && !isset( $params[4] ) ) {
// Messages: logentry-rights-rights-legacy
$key .= '-legacy';
}
return $key;
}
protected function getMessageParameters() {
$params = parent::getMessageParameters();
// Really old entries that lack old/new groups,
// so don't try to process them
if ( !$this->shouldProcessParams( $params ) ) {
return $params;
}
// Groups are stored as [ name => expiry|null ]
$oldGroups = $this->getOldGroups( $params );
$newGroups = $this->getNewGroups( $params );
// These params were used in the past, when the log message said "from: X to: Y"
// They were kept not to break translations
if ( count( $oldGroups ) ) {
$params[3] = Message::rawParam( $this->formatRightsList( $oldGroups ) );
} else {
$params[3] = $this->msg( 'rightsnone' )->text();
}
if ( count( $newGroups ) ) {
$params[4] = Message::rawParam( $this->formatRightsList( $newGroups ) );
} else {
$params[4] = $this->msg( 'rightsnone' )->text();
}
$performerName = $params[1];
$userName = $this->entry->getTarget()->getText();
$params[5] = $userName;
$groupChanges = $this->classifyGroupChanges( $oldGroups, $newGroups );
// The following messages are used here:
// * logentry-rights-rights-granted
// * logentry-rights-rights-revoked
// * logentry-rights-rights-expiry-changed
// * logentry-rights-rights-kept
// * logentry-rights-autopromote-granted
// * logentry-rights-autopromote-revoked
// * logentry-rights-autopromote-expiry-changed
// * logentry-rights-autopromote-kept
$messagePrefix = 'logentry-rights-rights-';
if ( $this->entry->getSubtype() === 'autopromote' ) {
$messagePrefix = 'logentry-rights-autopromote-';
}
$params[6] = $this->formatChangesToGroups( $groupChanges, $performerName, $userName,
$messagePrefix );
return $params;
}
/**
* Checks whether the additional message parameters should be processed.
* Typical reason for not processing the parameters is that the log entry
* is of legacy format with e.g. some of them missing.
* @since 1.44
* @stable to override
* @param array $params Extracted parameters
* @return bool
*/
protected function shouldProcessParams( array $params ) {
return isset( $params[3] ) || isset( $params[4] );
}
/**
* Returns the old groups related to this log entry together
* with their expiry times. The returned array is indexed by the
* group name in a ready-to-display form (eg. localized)
* @since 1.44
* @stable to override
* @param array $params Extracted parameters
* @return array [ group_name => expiry|null ]
*/
protected function getOldGroups( array $params ) {
if ( !isset( $params[3] ) ) {
return [];
}
$allParams = $this->entry->getParameters();
return $this->joinGroupsWithExpiries( $params[3], $allParams['oldmetadata'] ?? [] );
}
/**
* Returns the new groups related to this log entry together
* with their expiry times. The returned array is indexed by the
* group name in a ready-to-display form (eg. localized)
* @since 1.44
* @stable to override
* @param array $params Extracted parameters
* @return array [ group_name => expiry|null ]
*/
protected function getNewGroups( array $params ) {
if ( !isset( $params[4] ) ) {
return [];
}
$allParams = $this->entry->getParameters();
return $this->joinGroupsWithExpiries( $params[4], $allParams['newmetadata'] ?? [] );
}
/**
* Joins group names from one array with their expiry times from the another.
* Expects that corresponding elements in both arrays are at the same index.
* The expiry times are looked up in the 'expiry' key of the elements int the
* metadata array. If membership is permanent, the expiry time is null.
* If this formatter is not plaintext, the group names are replaced with
* localized member names.
* @since 1.44
* @param array|string $groupNames
* @param array $metadata
* @return array
*/
protected function joinGroupsWithExpiries( $groupNames, array $metadata ) {
$groupNames = $this->makeGroupArray( $groupNames );
if ( !$this->plaintext && count( $groupNames ) ) {
$this->replaceGroupsWithMemberNames( $groupNames );
}
$expiries = [];
foreach (
array_map( null, $groupNames, $metadata )
as [ $groupName, $groupMetadata ]
) {
if ( isset( $groupMetadata['expiry'] ) ) {
$expiry = $groupMetadata['expiry'];
} else {
$expiry = null;
}
$expiries[$groupName] = $expiry;
}
return $expiries;
}
/**
* Replaces the group names in the array with their localized member names.
* The array is modified in place.
* @since 1.44
* @stable to override
* @param array &$groupNames
*/
protected function replaceGroupsWithMemberNames( array &$groupNames ) {
$lang = $this->context->getLanguage();
$userName = $this->entry->getTarget()->getText();
foreach ( $groupNames as &$group ) {
$group = $lang->getGroupMemberName( $group, $userName );
}
}
/**
* Compares the user groups from before and after this log entry and splits
* them into four categories: granted, revoked, expiry-changed and kept.
* The returned array has the following keys:
* - granted: groups that were granted
* - revoked: groups that were revoked
* - expiry-changed: groups that had their expiry time changed
* - kept: groups that were kept without changes
* All, except 'expiry-changed', is of form [ group => expiry ], while
* 'expiry-changed' is of form [ group => [ old_expiry, new_expiry ] ]
* @since 1.44
* @param array $oldGroups
* @param array $newGroups
* @return array
*/
protected function classifyGroupChanges( array $oldGroups, array $newGroups ) {
$granted = array_diff_key( $newGroups, $oldGroups );
$revoked = array_diff_key( $oldGroups, $newGroups );
$kept = array_intersect_key( $oldGroups, $newGroups );
$expiryChanged = [];
$noChange = [];
foreach ( $kept as $group => $oldExpiry ) {
$newExpiry = $newGroups[$group];
if ( $oldExpiry !== $newExpiry ) {
$expiryChanged[$group] = [ $oldExpiry, $newExpiry ];
} else {
$noChange[$group] = $oldExpiry;
}
}
// These contain both group names and their expiry times
// in case of 'expiry-changed', the times are in an array [ old, new ]
return [
'granted' => $granted,
'revoked' => $revoked,
'expiry-changed' => $expiryChanged,
'kept' => $noChange,
];
}
/**
* Wraps the changes to user groups into a human-readable messages, so that
* they can be passed as a parameter to the log entry message.
* @since 1.44
* @param array $groupChanges
* @param string $performerName
* @param string $targetName
* @param string $messagePrefix
* @return string
*/
protected function formatChangesToGroups( array $groupChanges, string $performerName,
string $targetName, string $messagePrefix = 'logentry-rights-rights-'
) {
$formattedChanges = [];
foreach ( $groupChanges as $changeType => $groups ) {
if ( !count( $groups ) ) {
continue;
}
if ( $changeType === 'expiry-changed' ) {
$formattedList = $this->formatRightsListExpiryChanged( $groups );
} else {
$formattedList = $this->formatRightsList( $groups );
}
$formattedChanges[] = $this->msg(
$messagePrefix . $changeType,
$formattedList,
$performerName,
$targetName
);
}
$uiLanguage = $this->context->getLanguage();
return $uiLanguage->semicolonList( $formattedChanges );
}
private function formatRightsListExpiryChanged( array $groups ): string {
$list = [];
foreach ( $groups as $group => [ $oldExpiry, $newExpiry ] ) {
$oldExpiryFormatted = $oldExpiry ? $this->formatDate( $oldExpiry ) : false;
$newExpiryFormatted = $newExpiry ? $this->formatDate( $newExpiry ) : false;
if ( $oldExpiryFormatted && $newExpiryFormatted ) {
// The expiration was changed
$list[] = $this->msg( 'rightslogentry-expiry-changed' )->params(
$group,
$newExpiryFormatted['whole'],
$newExpiryFormatted['date'],
$newExpiryFormatted['time'],
$oldExpiryFormatted['whole'],
$oldExpiryFormatted['date'],
$oldExpiryFormatted['time']
)->parse();
} elseif ( $oldExpiryFormatted ) {
// The expiration was removed
$list[] = $this->msg( 'rightslogentry-expiry-removed' )->params(
$group,
$oldExpiryFormatted['whole'],
$oldExpiryFormatted['date'],
$oldExpiryFormatted['time']
)->parse();
} elseif ( $newExpiryFormatted ) {
// The expiration was added
$list[] = $this->msg( 'rightslogentry-expiry-set' )->params(
$group,
$newExpiryFormatted['whole'],
$newExpiryFormatted['date'],
$newExpiryFormatted['time']
)->parse();
} else {
// The rights are and were permanent
// Shouldn't happen as we process only changes to expiry time here
$list[] = htmlspecialchars( $group );
}
}
$uiLanguage = $this->context->getLanguage();
return $uiLanguage->listToText( $list );
}
private function formatRightsList( array $groups ): string {
$uiLanguage = $this->context->getLanguage();
// separate arrays of temporary and permanent memberships
$tempList = $permList = [];
foreach ( $groups as $group => $expiry ) {
if ( $expiry ) {
// format the group and expiry into a friendly string
$expiryFormatted = $this->formatDate( $expiry );
$tempList[] = $this->msg( 'rightslogentry-temporary-group' )->params( $group,
$expiryFormatted['whole'], $expiryFormatted['date'], $expiryFormatted['time'] )
->parse();
} else {
// the right does not expire; just insert the group name
$permList[] = htmlspecialchars( $group );
}
}
// place all temporary memberships first, to avoid the ambiguity of
// "administrator, bureaucrat and importer (temporary, until X time)"
return $uiLanguage->listToText( array_merge( $tempList, $permList ) );
}
private function formatDate( string $date ): array {
$uiLanguage = $this->context->getLanguage();
$uiUser = $this->context->getUser();
return [
'whole' => $uiLanguage->userTimeAndDate( $date, $uiUser ),
'date' => $uiLanguage->userDate( $date, $uiUser ),
'time' => $uiLanguage->userTime( $date, $uiUser ),
];
}
protected function getParametersForApi() {
$entry = $this->entry;
$params = $entry->getParameters();
static $map = [
'4:array:oldgroups',
'5:array:newgroups',
'4::oldgroups' => '4:array:oldgroups',
'5::newgroups' => '5:array:newgroups',
];
foreach ( $map as $index => $key ) {
if ( isset( $params[$index] ) ) {
$params[$key] = $params[$index];
unset( $params[$index] );
}
}
// Really old entries do not have log params, so form them from whatever info
// we have.
// Also walk through the parallel arrays of groups and metadata, combining each
// metadata array with the name of the group it pertains to
if ( isset( $params['4:array:oldgroups'] ) ) {
$params['4:array:oldgroups'] = $this->makeGroupArray( $params['4:array:oldgroups'] );
$oldmetadata =& $params['oldmetadata'];
// unset old metadata entry to ensure metadata goes at the end of the params array
unset( $params['oldmetadata'] );
$params['oldmetadata'] = array_map( static function ( $index ) use ( $params, $oldmetadata ) {
$result = [ 'group' => $params['4:array:oldgroups'][$index] ];
if ( isset( $oldmetadata[$index] ) ) {
$result += $oldmetadata[$index];
}
$result['expiry'] = ApiResult::formatExpiry( $result['expiry'] ?? null );
return $result;
}, array_keys( $params['4:array:oldgroups'] ) );
}
if ( isset( $params['5:array:newgroups'] ) ) {
$params['5:array:newgroups'] = $this->makeGroupArray( $params['5:array:newgroups'] );
$newmetadata =& $params['newmetadata'];
// unset old metadata entry to ensure metadata goes at the end of the params array
unset( $params['newmetadata'] );
$params['newmetadata'] = array_map( static function ( $index ) use ( $params, $newmetadata ) {
$result = [ 'group' => $params['5:array:newgroups'][$index] ];
if ( isset( $newmetadata[$index] ) ) {
$result += $newmetadata[$index];
}
$result['expiry'] = ApiResult::formatExpiry( $result['expiry'] ?? null );
return $result;
}, array_keys( $params['5:array:newgroups'] ) );
}
return $params;
}
public function formatParametersForApi() {
$ret = parent::formatParametersForApi();
if ( isset( $ret['oldgroups'] ) ) {
ApiResult::setIndexedTagName( $ret['oldgroups'], 'g' );
}
if ( isset( $ret['newgroups'] ) ) {
ApiResult::setIndexedTagName( $ret['newgroups'], 'g' );
}
if ( isset( $ret['oldmetadata'] ) ) {
ApiResult::setArrayType( $ret['oldmetadata'], 'array' );
ApiResult::setIndexedTagName( $ret['oldmetadata'], 'g' );
}
if ( isset( $ret['newmetadata'] ) ) {
ApiResult::setArrayType( $ret['newmetadata'], 'array' );
ApiResult::setIndexedTagName( $ret['newmetadata'], 'g' );
}
return $ret;
}
/**
* @param string|string[] $group
*/
private function makeGroupArray( $group ): array {
// Migrate old group params from string to array
if ( $group === '' ) {
$group = [];
} elseif ( is_string( $group ) ) {
$group = array_map( 'trim', explode( ',', $group ) );
}
return $group;
}
}
/** @deprecated class alias since 1.44 */
class_alias( RightsLogFormatter::class, 'RightsLogFormatter' );