Управление сайтом

Компаний

Пользователи

Фиксированные новости

Отзывы о фирмах

Пользователи

Банкоматы

Торговые точки

Доска объявлений

Курсы валют

организации Орла

организации области

сайты Орел

Поиск запросы

Статистика

Показы каталога организаций

Статистика клиенты

Пользователи

Управление сайтом

Каталоги >

Новости >

Организации >

Секрет фирмы >

Сервисы >

Файловый менеджер

Имя файла	Parser.php
Содержимое	<?php namespace React\Dns\Protocol; use React\Dns\Model\Message; use React\Dns\Model\Record; use InvalidArgumentException; /** * DNS protocol parser * * Obsolete and uncommon types and classes are not implemented. / class Parser { /* * Parses the given raw binary message into a Message object * * @param string $data * @throws InvalidArgumentException * @return Message / public function parseMessage($data) { $message = new Message(); if ($this->parse($data, $message) !== $message) { throw new InvalidArgumentException('Unable to parse binary message'); } return $message; } /* * @deprecated unused, exists for BC only * @codeCoverageIgnore / public function parseChunk($data, Message $message) { return $this->parse($data, $message); } private function parse($data, Message $message) { $message->data .= $data; if (!$message->header->get('id')) { if (!$this->parseHeader($message)) { return; } } if ($message->header->get('qdCount') != count($message->questions)) { if (!$this->parseQuestion($message)) { return; } } if ($message->header->get('anCount') != count($message->answers)) { if (!$this->parseAnswer($message)) { return; } } return $message; } public function parseHeader(Message $message) { if (!isset($message->data[12 - 1])) { return; } $header = substr($message->data, 0, 12); $message->consumed += 12; list($id, $fields, $qdCount, $anCount, $nsCount, $arCount) = array_values(unpack('n', $header)); $rcode = $fields & bindec('1111'); $z = ($fields >> 4) & bindec('111'); $ra = ($fields >> 7) & 1; $rd = ($fields >> 8) & 1; $tc = ($fields >> 9) & 1; $aa = ($fields >> 10) & 1; $opcode = ($fields >> 11) & bindec('1111'); $qr = ($fields >> 15) & 1; $vars = compact('id', 'qdCount', 'anCount', 'nsCount', 'arCount', 'qr', 'opcode', 'aa', 'tc', 'rd', 'ra', 'z', 'rcode'); foreach ($vars as $name => $value) { $message->header->set($name, $value); } return $message; } public function parseQuestion(Message $message) { $consumed = $message->consumed; list($labels, $consumed) = $this->readLabels($message->data, $consumed); if ($labels === null \|\| !isset($message->data[$consumed + 4 - 1])) { return; } list($type, $class) = array_values(unpack('n', substr($message->data, $consumed, 4))); $consumed += 4; $message->consumed = $consumed; $message->questions[] = array( 'name' => implode('.', $labels), 'type' => $type, 'class' => $class, ); if ($message->header->get('qdCount') != count($message->questions)) { return $this->parseQuestion($message); } return $message; } public function parseAnswer(Message $message) { $consumed = $message->consumed; list($name, $consumed) = $this->readDomain($message->data, $consumed); if ($name === null \|\| !isset($message->data[$consumed + 10 - 1])) { return; } list($type, $class) = array_values(unpack('n', substr($message->data, $consumed, 4))); $consumed += 4; list($ttl) = array_values(unpack('N', substr($message->data, $consumed, 4))); $consumed += 4; // TTL is a UINT32 that must not have most significant bit set for BC reasons if ($ttl < 0 \|\| $ttl >= 1 << 31) { $ttl = 0; } list($rdLength) = array_values(unpack('n', substr($message->data, $consumed, 2))); $consumed += 2; if (!isset($message->data[$consumed + $rdLength - 1])) { return; } $rdata = null; $expected = $consumed + $rdLength; if (Message::TYPE_A === $type) { if ($rdLength === 4) { $rdata = inet_ntop(substr($message->data, $consumed, $rdLength)); $consumed += $rdLength; } } elseif (Message::TYPE_AAAA === $type) { if ($rdLength === 16) { $rdata = inet_ntop(substr($message->data, $consumed, $rdLength)); $consumed += $rdLength; } } elseif (Message::TYPE_CNAME === $type \|\| Message::TYPE_PTR === $type \|\| Message::TYPE_NS === $type) { list($rdata, $consumed) = $this->readDomain($message->data, $consumed); } elseif (Message::TYPE_TXT === $type) { $rdata = array(); while ($consumed < $expected) { $len = ord($message->data[$consumed]); $rdata[] = (string)substr($message->data, $consumed + 1, $len); $consumed += $len + 1; } } elseif (Message::TYPE_MX === $type) { if ($rdLength > 2) { list($priority) = array_values(unpack('n', substr($message->data, $consumed, 2))); list($target, $consumed) = $this->readDomain($message->data, $consumed + 2); $rdata = array( 'priority' => $priority, 'target' => $target ); } } elseif (Message::TYPE_SRV === $type) { if ($rdLength > 6) { list($priority, $weight, $port) = array_values(unpack('n', substr($message->data, $consumed, 6))); list($target, $consumed) = $this->readDomain($message->data, $consumed + 6); $rdata = array( 'priority' => $priority, 'weight' => $weight, 'port' => $port, 'target' => $target ); } } elseif (Message::TYPE_SOA === $type) { list($mname, $consumed) = $this->readDomain($message->data, $consumed); list($rname, $consumed) = $this->readDomain($message->data, $consumed); if ($mname !== null && $rname !== null && isset($message->data[$consumed + 20 - 1])) { list($serial, $refresh, $retry, $expire, $minimum) = array_values(unpack('N', substr($message->data, $consumed, 20))); $consumed += 20; $rdata = array( 'mname' => $mname, 'rname' => $rname, 'serial' => $serial, 'refresh' => $refresh, 'retry' => $retry, 'expire' => $expire, 'minimum' => $minimum ); } } else { // unknown types simply parse rdata as an opaque binary string $rdata = substr($message->data, $consumed, $rdLength); $consumed += $rdLength; } // ensure parsing record data consumes expact number of bytes indicated in record length if ($consumed !== $expected \|\| $rdata === null) { return; } $message->consumed = $consumed; $record = new Record($name, $type, $class, $ttl, $rdata); $message->answers[] = $record; if ($message->header->get('anCount') != count($message->answers)) { return $this->parseAnswer($message); } return $message; } private function readDomain($data, $consumed) { list ($labels, $consumed) = $this->readLabels($data, $consumed); if ($labels === null) { return array(null, null); } return array(implode('.', $labels), $consumed); } private function readLabels($data, $consumed) { $labels = array(); while (true) { if (!isset($data[$consumed])) { return array(null, null); } $length = \ord($data[$consumed]); // end of labels reached if ($length === 0) { $consumed += 1; break; } // first two bits set? this is a compressed label (14 bit pointer offset) if (($length & 0xc0) === 0xc0 && isset($data[$consumed + 1])) { $offset = ($length & ~0xc0) << 8 \| \ord($data[$consumed + 1]); if ($offset >= $consumed) { return array(null, null); } $consumed += 2; list($newLabels) = $this->readLabels($data, $offset); if ($newLabels === null) { return array(null, null); } $labels = array_merge($labels, $newLabels); break; } // length MUST be 0-63 (6 bits only) and data has to be large enough if ($length & 0xc0 \|\| !isset($data[$consumed + $length - 1])) { return array(null, null); } $labels[] = substr($data, $consumed + 1, $length); $consumed += $length + 1; } return array($labels, $consumed); } /** * @deprecated unused, exists for BC only * @codeCoverageIgnore / public function isEndOfLabels($data, $consumed) { $length = ord(substr($data, $consumed, 1)); return 0 === $length; } /* * @deprecated unused, exists for BC only * @codeCoverageIgnore / public function getCompressedLabel($data, $consumed) { list($nameOffset, $consumed) = $this->getCompressedLabelOffset($data, $consumed); list($labels) = $this->readLabels($data, $nameOffset); return array($labels, $consumed); } /* * @deprecated unused, exists for BC only * @codeCoverageIgnore / public function isCompressedLabel($data, $consumed) { $mask = 0xc000; // 1100000000000000 list($peek) = array_values(unpack('n', substr($data, $consumed, 2))); return (bool) ($peek & $mask); } /* * @deprecated unused, exists for BC only * @codeCoverageIgnore / public function getCompressedLabelOffset($data, $consumed) { $mask = 0x3fff; // 0011111111111111 list($peek) = array_values(unpack('n', substr($data, $consumed, 2))); return array($peek & $mask, $consumed + 2); } /* * @deprecated unused, exists for BC only * @codeCoverageIgnore */ public function signedLongToUnsignedLong($i) { return $i & 0x80000000 ? $i - 0xffffffff : $i; } }

/cron/instagram/vendor/react/dns/src/Protocol/

Имя	Дата	Размер
..	2019-01-15
BinaryDumper.php	2019-01-15	2 кб.
Parser.php	2019-01-15	11 кб.

/cron/instagram/vendor/react/dns/src/Protocol