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	Nama	Ukuran	Permission	Aksi
	BinaryDumper.php	5.58 MB		View DL Edit
	Parser.php	11.01 MB		View DL Edit

Edit file: /opt/cpanel/ea-wappspector/vendor/rector/rector/vendor/react/dns/src/Protocol/BinaryDumper.php

<?php

namespace RectorPrefix202411\React\Dns\Protocol;

use RectorPrefix202411\React\Dns\Model\Message;
use RectorPrefix202411\React\Dns\Model\Record;
use RectorPrefix202411\React\Dns\Query\Query;
final class BinaryDumper
{
    /**
     * @param Message $message
     * @return string
     */
    public function toBinary(Message $message)
    {
        $data = '';
        $data .= $this->headerToBinary($message);
        $data .= $this->questionToBinary($message->questions);
        $data .= $this->recordsToBinary($message->answers);
        $data .= $this->recordsToBinary($message->authority);
        $data .= $this->recordsToBinary($message->additional);
        return $data;
    }
    /**
     * @param Message $message
     * @return string
     */
    private function headerToBinary(Message $message)
    {
        $data = '';
        $data .= \pack('n', $message->id);
        $flags = 0x0;
        $flags = $flags << 1 | ($message->qr ? 1 : 0);
        $flags = $flags << 4 | $message->opcode;
        $flags = $flags << 1 | ($message->aa ? 1 : 0);
        $flags = $flags << 1 | ($message->tc ? 1 : 0);
        $flags = $flags << 1 | ($message->rd ? 1 : 0);
        $flags = $flags << 1 | ($message->ra ? 1 : 0);
        $flags = $flags << 3 | 0;
        // skip unused zero bit
        $flags = $flags << 4 | $message->rcode;
        $data .= \pack('n', $flags);
        $data .= \pack('n', \count($message->questions));
        $data .= \pack('n', \count($message->answers));
        $data .= \pack('n', \count($message->authority));
        $data .= \pack('n', \count($message->additional));
        return $data;
    }
    /**
     * @param Query[] $questions
     * @return string
     */
    private function questionToBinary(array $questions)
    {
        $data = '';
        foreach ($questions as $question) {
            $data .= $this->domainNameToBinary($question->name);
            $data .= \pack('n*', $question->type, $question->class);
        }
        return $data;
    }
    /**
     * @param Record[] $records
     * @return string
     */
    private function recordsToBinary(array $records)
    {
        $data = '';
        foreach ($records as $record) {
            /* @var $record Record */
            switch ($record->type) {
                case Message::TYPE_A:
                case Message::TYPE_AAAA:
                    $binary = \inet_pton($record->data);
                    break;
                case Message::TYPE_CNAME:
                case Message::TYPE_NS:
                case Message::TYPE_PTR:
                    $binary = $this->domainNameToBinary($record->data);
                    break;
                case Message::TYPE_TXT:
                case Message::TYPE_SPF:
                    $binary = $this->textsToBinary($record->data);
                    break;
                case Message::TYPE_MX:
                    $binary = \pack('n', $record->data['priority']);
                    $binary .= $this->domainNameToBinary($record->data['target']);
                    break;
                case Message::TYPE_SRV:
                    $binary = \pack('n*', $record->data['priority'], $record->data['weight'], $record->data['port']);
                    $binary .= $this->domainNameToBinary($record->data['target']);
                    break;
                case Message::TYPE_SOA:
                    $binary = $this->domainNameToBinary($record->data['mname']);
                    $binary .= $this->domainNameToBinary($record->data['rname']);
                    $binary .= \pack('N*', $record->data['serial'], $record->data['refresh'], $record->data['retry'], $record->data['expire'], $record->data['minimum']);
                    break;
                case Message::TYPE_CAA:
                    $binary = \pack('C*', $record->data['flag'], \strlen($record->data['tag']));
                    $binary .= $record->data['tag'];
                    $binary .= $record->data['value'];
                    break;
                case Message::TYPE_SSHFP:
                    $binary = \pack('CCH*', $record->data['algorithm'], $record->data['type'], $record->data['fingerprint']);
                    break;
                case Message::TYPE_OPT:
                    $binary = '';
                    foreach ($record->data as $opt => $value) {
                        if ($opt === Message::OPT_TCP_KEEPALIVE && $value !== null) {
                            $value = \pack('n', \round($value * 10));
                        }
                        $binary .= \pack('n*', $opt, \strlen((string) $value)) . $value;
                    }
                    break;
                default:
                    // RDATA is already stored as binary value for unknown record types
                    $binary = $record->data;
            }
            $data .= $this->domainNameToBinary($record->name);
            $data .= \pack('nnNn', $record->type, $record->class, $record->ttl, \strlen($binary));
            $data .= $binary;
        }
        return $data;
    }
    /**
     * @param string[] $texts
     * @return string
     */
    private function textsToBinary(array $texts)
    {
        $data = '';
        foreach ($texts as $text) {
            $data .= \chr(\strlen($text)) . $text;
        }
        return $data;
    }
    /**
     * @param string $host
     * @return string
     */
    private function domainNameToBinary($host)
    {
        if ($host === '') {
            return "\x00";
        }
        // break up domain name at each dot that is not preceeded by a backslash (escaped notation)
        return $this->textsToBinary(\array_map('stripcslashes', \preg_split('/(?<!\\\\)\\./', $host . '.')));
    }
}

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