SqliteUtils.php

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<?php
 
namespace MediaWiki\Installer\Task;
 
use MediaWiki\Status\Status;
 
class SqliteUtils {
    public function checkDataDir( $dir ): Status {
        if ( is_dir( $dir ) ) {
            if ( !is_readable( $dir ) ) {
                return Status::newFatal( 'config-sqlite-dir-unwritable', $dir );
            }
        } elseif ( !is_writable( dirname( $dir ) ) ) {
            // Check the parent directory if $dir not exists
            $webserverGroup = $this->maybeGetWebserverPrimaryGroup();
            if ( $webserverGroup !== null ) {
                return Status::newFatal(
                    'config-sqlite-parent-unwritable-group',
                    $dir, dirname( $dir ), basename( $dir ),
                    $webserverGroup
                );
            }
 
            return Status::newFatal(
                'config-sqlite-parent-unwritable-nogroup',
                $dir, dirname( $dir ), basename( $dir )
            );
        }
        return Status::newGood();
    }
 
    private function maybeGetWebserverPrimaryGroup() {
        if ( !function_exists( 'posix_getegid' ) || !function_exists( 'posix_getpwuid' ) ) {
            # I don't know this, this isn't UNIX.
            return null;
        }
 
        # posix_getegid() *not* getmygid() because we want the group of the webserver,
        # not whoever owns the current script.
        $gid = posix_getegid();
        return posix_getpwuid( $gid )['name'] ?? null;
    }
 
}