wikimedia/mediawiki-core

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includes/logging/RightsLogFormatter.php

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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
 */

use MediaWiki\MainConfigNames;
use MediaWiki\Title\Title;
use MediaWiki\WikiMap\WikiMap;

/**
 * This class formats rights log entries.
 *
 * @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
        if ( !isset( $params[3] ) && !isset( $params[4] ) ) {
            return $params;
        }

        $oldGroups = $this->makeGroupArray( $params[3] );
        $newGroups = $this->makeGroupArray( $params[4] );

        $userName = $this->entry->getTarget()->getText();
        $lang = $this->context->getLanguage();
        if ( !$this->plaintext && count( $oldGroups ) ) {
            foreach ( $oldGroups as &$group ) {
                $group = $lang->getGroupMemberName( $group, $userName );
            }
        }
        if ( !$this->plaintext && count( $newGroups ) ) {
            foreach ( $newGroups as &$group ) {
                $group = $lang->getGroupMemberName( $group, $userName );
            }
        }

        // fetch the metadata about each group membership
        $allParams = $this->entry->getParameters();

        if ( count( $oldGroups ) ) {
            $params[3] = Message::rawParam( $this->formatRightsList( $oldGroups,
                $allParams['oldmetadata'] ?? [] ) );
        } else {
            $params[3] = $this->msg( 'rightsnone' )->text();
        }
        if ( count( $newGroups ) ) {
            // Array_values is used here because of T44211
            // see use of array_unique in SpecialUserRights::doSaveUserGroups on $newGroups.
            $params[4] = Message::rawParam( $this->formatRightsList( array_values( $newGroups ),
                $allParams['newmetadata'] ?? [] ) );
        } else {
            $params[4] = $this->msg( 'rightsnone' )->text();
        }

        $params[5] = $userName;

        return $params;
    }

    protected function formatRightsList( $groups, $serializedUGMs = [] ) {
        $uiLanguage = $this->context->getLanguage();
        $uiUser = $this->context->getUser();
        // separate arrays of temporary and permanent memberships
        $tempList = $permList = [];

        reset( $groups );
        reset( $serializedUGMs );
        while ( current( $groups ) ) {
            $group = current( $groups );

            if ( current( $serializedUGMs ) &&
                isset( current( $serializedUGMs )['expiry'] ) &&
                current( $serializedUGMs )['expiry']
            ) {
                // there is an expiry date; format the group and expiry into a friendly string
                $expiry = current( $serializedUGMs )['expiry'];
                $expiryFormatted = $uiLanguage->userTimeAndDate( $expiry, $uiUser );
                $expiryFormattedD = $uiLanguage->userDate( $expiry, $uiUser );
                $expiryFormattedT = $uiLanguage->userTime( $expiry, $uiUser );
                $tempList[] = $this->msg( 'rightslogentry-temporary-group' )->params( $group,
                    $expiryFormatted, $expiryFormattedD, $expiryFormattedT )->parse();
            } else {
                // the right does not expire; just insert the group name
                $permList[] = htmlspecialchars( $group );
            }

            next( $groups );
            next( $serializedUGMs );
        }

        // 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 ) );
    }

    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;
    }

    private function makeGroupArray( $group ) {
        // Migrate old group params from string to array
        if ( $group === '' ) {
            $group = [];
        } elseif ( is_string( $group ) ) {
            $group = array_map( 'trim', explode( ',', $group ) );
        }
        return $group;
    }
}