TranslateSandbox.php

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<?php
use MediaWiki\Auth\AuthenticationRequest;
use MediaWiki\Auth\AuthenticationResponse;
use MediaWiki\Auth\AuthManager;
use MediaWiki\Extension\Translate\SystemUsers\TranslateUserManager;
use MediaWiki\Extension\Translate\TranslatorSandbox\TranslationStashActionApi;
use MediaWiki\Extension\Translate\Utilities\Utilities;
use MediaWiki\MediaWikiServices;
use Wikimedia\ScopedCallback;
 
class TranslateSandbox {
    public static function addUser( $name, $email, $password ) {
        $user = User::newFromName( $name, 'creatable' );
 
        if ( !$user ) {
            throw new MWException( 'Invalid user name' );
        }
 
        $data = [
            'username' => $user->getName(),
            'password' => $password,
            'retype' => $password,
            'email' => $email,
            'realname' => '',
        ];
 
        $services = MediaWikiServices::getInstance();
 
        $permissionManager = $services->getPermissionManager();
        $creator = TranslateUserManager::getUser();
        $guard = $permissionManager->addTemporaryUserRights( $creator, 'createaccount' );
 
        $authManager = $services->getAuthManager();
        $reqs = $authManager->getAuthenticationRequests( AuthManager::ACTION_CREATE );
        $reqs = AuthenticationRequest::loadRequestsFromSubmission( $reqs, $data );
        $res = $authManager->beginAccountCreation( $creator, $reqs, 'null:' );
 
        ScopedCallback::consume( $guard );
 
        switch ( $res->status ) {
            case AuthenticationResponse::PASS:
                break;
            case AuthenticationResponse::FAIL:
                // Unless things are misconfigured, this will handle errors such as username taken,
                // invalid user name or too short password. The WebAPI is prechecking these to
                // provide nicer error messages.
                $reason = $res->message->inLanguage( 'en' )->useDatabase( false )->text();
                throw new MWException( "Account creation failed: $reason" );
            default:
                // A provider requested further user input. Abort but clean up first if it was a
                // secondary provider (in which case the user was created).
                if ( $user->getId() ) {
                    self::deleteUser( $user, 'force' );
                }
 
                throw new MWException(
                    'AuthManager does not support such simplified account creation'
                );
        }
 
        // group-translate-sandboxed group-translate-sandboxed-member
        $services->getUserGroupManager()->addUserToGroup( $user, 'translate-sandboxed' );
 
        return $user;
    }
 
    public static function deleteUser( User $user, $force = '' ) {
        $uid = $user->getId();
        $actorId = $user->getActorId();
 
        if ( $force !== 'force' && !self::isSandboxed( $user ) ) {
            throw new MWException( 'Not a sandboxed user' );
        }
 
        // Delete from database
        $dbw = wfGetDB( DB_PRIMARY );
        $dbw->delete( 'user', [ 'user_id' => $uid ], __METHOD__ );
        $dbw->delete( 'user_groups', [ 'ug_user' => $uid ], __METHOD__ );
        $dbw->delete( 'user_properties', [ 'up_user' => $uid ], __METHOD__ );
 
        MediaWikiServices::getInstance()->getActorStore()->deleteActor( $user, $dbw );
 
        // Assume no joins are needed for logging or recentchanges
        $dbw->delete( 'logging', [ 'log_actor' => $actorId ], __METHOD__ );
        $dbw->delete( 'recentchanges', [ 'rc_actor' => $actorId ], __METHOD__ );
 
        // Update the site stats
        $statsUpdate = SiteStatsUpdate::factory( [ 'users' => -1 ] );
        $statsUpdate->doUpdate();
 
        // If someone tries to access still object still, they will get anon user
        // data.
        $user->clearInstanceCache( 'defaults' );
 
        // Nobody should access the user by id anymore, but in case they do, purge
        // the cache so they wont get stale data
        $user->invalidateCache();
    }
 
    public static function getUsers() {
        $dbw = Utilities::getSafeReadDB();
        $userQuery = User::getQueryInfo();
        $tables = array_merge( $userQuery['tables'], [ 'user_groups' ] );
        $fields = $userQuery['fields'];
        $conds = [
            'ug_group' => 'translate-sandboxed',
        ];
        $joins = [
            'user_groups' => [ 'JOIN', 'ug_user = user_id' ],
        ] + $userQuery['joins'];
 
        $res = $dbw->select( $tables, $fields, $conds, __METHOD__, [], $joins );
 
        return UserArray::newFromResult( $res );
    }
 
    public static function promoteUser( User $user ) {
        global $wgTranslateSandboxPromotedGroup;
 
        if ( !self::isSandboxed( $user ) ) {
            throw new MWException( 'Not a sandboxed user' );
        }
 
        $services = MediaWikiServices::getInstance();
 
        $userGroupManager = $services->getUserGroupManager();
        $userGroupManager->removeUserFromGroup( $user, 'translate-sandboxed' );
 
        if ( $wgTranslateSandboxPromotedGroup ) {
            $userGroupManager->addUserToGroup( $user, $wgTranslateSandboxPromotedGroup );
        }
 
        $userOptionsManager = $services->getUserOptionsManager();
        $userOptionsManager->setOption( $user, 'translate-sandbox-reminders', '' );
        $userOptionsManager->saveOptions( $user );
    }
 
    public static function sendEmail( User $sender, User $target, $type ) {
        global $wgEmergencyContact;
 
        $userOptionsLookup = MediaWikiServices::getInstance()->getUserOptionsLookup();
        $targetLang = $userOptionsLookup->getOption( $target, 'language' );
 
        switch ( $type ) {
            case 'reminder':
                if ( !self::isSandboxed( $target ) ) {
                    throw new MWException( 'Not a sandboxed user' );
                }
 
                $subjectMsg = 'tsb-reminder-title-generic';
                $bodyMsg = 'tsb-reminder-content-generic';
                $targetSpecialPage = 'TranslationStash';
 
                break;
            case 'promotion':
                $subjectMsg = 'tsb-email-promoted-subject';
                $bodyMsg = 'tsb-email-promoted-body';
                $targetSpecialPage = 'Translate';
 
                break;
            case 'rejection':
                $subjectMsg = 'tsb-email-rejected-subject';
                $bodyMsg = 'tsb-email-rejected-body';
                $targetSpecialPage = 'TwnMainPage';
 
                break;
            default:
                throw new MWException( "'$type' is an invalid type of translate sandbox email" );
        }
 
        $subject = wfMessage( $subjectMsg )->inLanguage( $targetLang )->text();
        $body = wfMessage(
            $bodyMsg,
            $target->getName(),
            SpecialPage::getTitleFor( $targetSpecialPage )->getCanonicalURL(),
            $sender->getName()
        )->inLanguage( $targetLang )->text();
 
        $params = [
            'user' => $target->getId(),
            'to' => MailAddress::newFromUser( $target ),
            'from' => new MailAddress( $wgEmergencyContact ),
            'replyto' => new MailAddress( $wgEmergencyContact ),
            'subj' => $subject,
            'body' => $body,
            'emailType' => $type,
        ];
 
        $services = MediaWikiServices::getInstance();
        $userOptionsManager = $services->getUserOptionsManager();
 
        $reminders = $userOptionsManager->getOption( $target, 'translate-sandbox-reminders' );
        $reminders = $reminders ? explode( '|', $reminders ) : [];
        $reminders[] = wfTimestamp();
 
        $userOptionsManager->setOption( $target, 'translate-sandbox-reminders', implode( '|', $reminders ) );
        $userOptionsManager->saveOptions( $target );
 
        $services->getJobQueueGroup()->push( TranslateSandboxEmailJob::newJob( $params ) );
    }
 
    public static function isSandboxed( User $user ) {
        $userGroupManager = MediaWikiServices::getInstance()->getUserGroupManager();
        return in_array( 'translate-sandboxed', $userGroupManager->getUserGroups( $user ), true );
    }
 
    public static function enforcePermissions( User $user, array &$rights ): bool {
        global $wgTranslateUseSandbox;
 
        if ( !$wgTranslateUseSandbox ) {
            return true;
        }
 
        if ( !self::isSandboxed( $user ) ) {
            return true;
        }
 
        // right-translate-sandboxaction action-translate-sandboxaction
        $rights = [
            'editmyoptions',
            'editmyprivateinfo',
            'read',
            'readapi',
            'translate-sandboxaction',
            'viewmyprivateinfo',
            'writeapi',
        ];
 
        // Do not let other hooks add more actions
        return false;
    }
 
    public static function onGetPreferences( $user, &$preferences ) {
        $preferences['translate-sandbox'] = $preferences['translate-sandbox-reminders'] =
            [ 'type' => 'api' ];
 
        return true;
    }
 
    public static function onApiCheckCanExecute( ApiBase $module, User $user, &$message ) {
        $inclusionList = [
            // Obviously this is needed to get out of the sandbox
            TranslationStashActionApi::class,
            // Used by UniversalLanguageSelector for example
            'ApiOptions'
        ];
 
        if ( self::isSandboxed( $user ) ) {
            $class = get_class( $module );
            if ( $module->isWriteMode() && !in_array( $class, $inclusionList, true ) ) {
                $message = ApiMessage::create( 'apierror-writeapidenied' );
                return false;
            }
        }
 
        return true;
    }
}