/**
* @param Parser $parser
* @return PrivateKey
*/
public function fromParser(Parser &$parser)
{
$bytes = $parser->readBytes(32);
$multiplier = $bytes->getInt();
$privateKey = PrivateKeyFactory::fromInt($multiplier, false, $this->ecAdapter);
return $privateKey;
}
/**
* @param Parser $parser
* @return Buffer
* @throws \BitWasp\Buffertools\Exceptions\ParserOutOfRange
*/
public function read(Parser &$parser)
{
$bits = $this->readBits($parser->readBytes($this->length));
if (!$this->isBigEndian()) {
$bits = $this->flipBits($bits);
}
return Buffer::hex(str_pad($this->getMath()->baseConvert($bits, 2, 16), $this->length * 2, '0', STR_PAD_LEFT), $this->length, $this->getMath());
}
/**
* @param Parser $parser
* @return int|string
* @throws \BitWasp\Buffertools\Exceptions\ParserOutOfRange
* @throws \Exception
*/
public function readBits(Parser &$parser)
{
$math = $this->getMath();
$bitSize = $this->getBitSize();
$bits = str_pad($math->baseConvert($parser->readBytes($bitSize / 8)->getHex(), 16, 2), $bitSize, '0', STR_PAD_LEFT);
$integer = $math->baseConvert($this->isBigEndian() ? $bits : $this->flipBits($bits), 2, 10);
return $integer;
}
/**
* @param Parser $parser
* @return Ipv4|Ipv6|Onion
* @throws \BitWasp\Buffertools\Exceptions\ParserOutOfRange
* @throws \Exception
*/
public function fromParser(Parser $parser)
{
$buffer = $parser->readBytes(16);
$binary = $buffer->getBinary();
if (Onion::MAGIC === substr($binary, 0, strlen(Onion::MAGIC))) {
$addr = strtolower(Base32::encode($buffer->slice(strlen(Onion::MAGIC))->getBinary())) . '.onion';
$ip = new Onion($addr);
} elseif (Ipv4::MAGIC === substr($binary, 0, strlen(Ipv4::MAGIC))) {
$end = $buffer->slice(strlen(Ipv4::MAGIC), 4);
$ip = new Ipv4(long2ip($end->getInt()));
} else {
$addr = [];
foreach (str_split($binary, 2) as $segment) {
$addr[] = bin2hex($segment);
}
$addr = implode(":", $addr);
$ip = new Ipv6($addr);
}
return $ip;
}
/**
* @param Parser $parser
* @return PrivateKey
* @throws \BitWasp\Buffertools\Exceptions\ParserOutOfRange
*/
public function fromParser(Parser $parser)
{
$compressed = $this->haveNextCompressed;
$this->haveNextCompressed = false;
return $this->ecAdapter->getPrivateKey($parser->readBytes(32)->getInt(), $compressed);
}
<?php
require "../vendor/autoload.php";
use BitWasp\Buffertools\Buffer;
use BitWasp\Buffertools\Parser;
// Parsers read Buffers
$buffer = new Buffer('abc');
$parser = new Parser($buffer);
// Call readBytes to unpack the data
/** @var Buffer[] $set */
$set = [$parser->readBytes(1), $parser->readBytes(1), $parser->readBytes(1)];
foreach ($set as $item) {
echo $item->getBinary() . PHP_EOL;
}
/**
* @expectedException \Exception
*/
public function testReadBytesBeyondLength()
{
$bytes = '41424344';
$parser = new Parser($bytes);
$parser->readBytes(5);
}
