AutoblockExemptionList.php

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<?php
 
namespace MediaWiki\Block;
 
use Psr\Log\LoggerInterface;
use Wikimedia\IPUtils;
use Wikimedia\Message\ITextFormatter;
use Wikimedia\Message\MessageValue;
 
class AutoblockExemptionList {
    private LoggerInterface $logger;
    private ITextFormatter $textFormatter;
 
    public function __construct(
        LoggerInterface $logger,
        ITextFormatter $textFormatter
    ) {
        $this->logger = $logger;
        $this->textFormatter = $textFormatter;
    }
 
    public function isExempt( $ip ) {
        $list = $this->textFormatter->format(
            MessageValue::new( 'block-autoblock-exemptionlist' )
        );
        $lines = explode( "\n", $list );
        $this->logger->debug( "Checking the autoblock exemption list.." );
        foreach ( $lines as $line ) {
            // List items only
            if ( !str_starts_with( $line, '*' ) ) {
                continue;
            }
 
            $wlEntry = substr( $line, 1 );
            $wlEntry = trim( $wlEntry );
 
            $this->logger->debug( "Checking $ip against $wlEntry..." );
 
            // Is the IP in this range?
            if ( IPUtils::isInRange( $ip, $wlEntry ) ) {
                $this->logger->debug( " IP $ip matches $wlEntry, not autoblocking" );
                return true;
            } else {
                $this->logger->debug( " No match" );
            }
        }
 
        return false;
    }
 
}