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<?php |
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/** |
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* soluble-japha / PHPJavaBridge driver client. |
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* |
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* Refactored version of phpjababridge's Java.inc file compatible |
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* with php java bridge 6.2 |
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* |
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* |
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* @credits http://php-java-bridge.sourceforge.net/pjb/ |
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* |
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* @see http://github.com/belgattitude/soluble-japha |
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* |
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* @author Jost Boekemeier |
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* @author Vanvelthem Sébastien (refactoring and fixes from original implementation) |
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* @license MIT |
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* |
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* The MIT License (MIT) |
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* Copyright (c) 2014-2017 Jost Boekemeier |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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namespace Soluble\Japha\Bridge\Driver\Pjb62; |
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use Soluble\Japha\Bridge\Driver\Pjb62\Exception\BrokenConnectionException; |
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use Soluble\Japha\Bridge\Exception\ConnectionException; |
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use Soluble\Japha\Bridge\Http\Cookie; |
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use Soluble\Japha\Bridge\Socket\StreamSocket; |
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class SimpleHttpTunnelHandler extends SimpleHttpHandler |
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{ |
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/** |
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* @var resource |
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*/ |
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public $socket; |
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/** |
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* @var bool |
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*/ |
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protected $hasContentLength = false; |
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/** |
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* @var bool |
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*/ |
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protected $isRedirect; |
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/** |
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* @var string |
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*/ |
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protected $httpHeadersPayload; |
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/** |
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* @param Protocol $protocol |
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* @param string $ssl |
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* @param string $host |
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* @param int $port |
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* @param string $java_servlet |
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* @param int $java_recv_size |
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* @param int $java_send_size |
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* |
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* @throws ConnectionException |
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*/ |
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public function __construct(Protocol $protocol, $ssl, $host, $port, $java_servlet, $java_recv_size, $java_send_size) |
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{ |
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parent::__construct($protocol, $ssl, $host, $port, $java_servlet, $java_recv_size, $java_send_size); |
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$this->open(); |
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$this->httpHeadersPayload = $this->getHttpHeadersPayload(); |
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} |
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public function createSimpleChannel() |
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{ |
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$this->channel = new EmptyChannel($this, $this->java_recv_size, $this->java_send_size); |
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} |
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public function createChannel() |
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{ |
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$this->createSimpleChannel(); |
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} |
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public function shutdownBrokenConnection(string $msg = '', int $code = null): void |
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{ |
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if (is_resource($this->socket)) { |
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fflush($this->socket); |
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fclose($this->socket); |
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} |
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PjbProxyClient::unregisterAndThrowBrokenConnectionException($msg, $code); |
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} |
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/** |
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* @throws ConnectionException |
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*/ |
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protected function open() |
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{ |
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try { |
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$persistent = $this->protocol->client->getParam(Client::PARAM_USE_PERSISTENT_CONNECTION); |
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$streamSocket = new StreamSocket( |
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$this->ssl === 'ssl://' ? StreamSocket::TRANSPORT_SSL : StreamSocket::TRANSPORT_TCP, |
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$this->host.':'.$this->port, |
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null, |
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StreamSocket::DEFAULT_CONTEXT, |
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$persistent |
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); |
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$socket = $streamSocket->getSocket(); |
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} catch (\Throwable $e) { |
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$logger = $this->protocol->getClient()->getLogger(); |
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$logger->critical(sprintf( |
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'[soluble-japha] %s (%s)', |
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$e->getMessage(), |
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__METHOD__ |
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)); |
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throw new ConnectionException($e->getMessage(), $e->getCode()); |
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} |
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stream_set_timeout($socket, -1); |
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$this->socket = $socket; |
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} |
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/** |
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* @throws BrokenConnectionException |
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*/ |
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public function fread(int $size): ?string |
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{ |
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$line = fgets($this->socket, $this->java_recv_size); |
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if ($line === false) { |
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throw new BrokenConnectionException( |
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'Cannot read from socket' |
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); |
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} |
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$length = (int) hexdec($line); |
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$data = ''; |
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while ($length > 0) { |
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$str = fread($this->socket, $length); |
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if (feof($this->socket) || $str === false) { |
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return null; |
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} |
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$length -= strlen($str); |
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$data .= $str; |
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} |
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fgets($this->socket, 3); |
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return $data; |
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} |
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public function fwrite(string $data): ?int |
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{ |
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$len = dechex(strlen($data)); |
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$written = fwrite($this->socket, "${len}\r\n${data}\r\n"); |
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if ($written === false) { |
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return null; |
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} |
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return $written; |
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} |
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protected function close(): void |
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{ |
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fwrite($this->socket, "0\r\n\r\n"); |
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fgets($this->socket, $this->java_recv_size); |
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fgets($this->socket, 3); |
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fclose($this->socket); |
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} |
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public function read(int $size): string |
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{ |
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if (null === $this->headers) { |
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$this->parseHeaders(); |
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} |
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$http_error = $this->headers['http_error'] ?? null; |
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if ($http_error !== null) { |
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$str = null; |
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if (isset($this->headers['transfer_chunked'])) { |
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$str = $this->fread($this->java_recv_size); |
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} elseif (isset($this->headers['content_length'])) { |
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$len = $this->headers['content_length']; |
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for ($str = fread($this->socket, $len); strlen($str) < $len; $str .= fread($this->socket, $len - strlen($str))) { |
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if (feof($this->socket)) { |
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break; |
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} |
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} |
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} else { |
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$str = fread($this->socket, $this->java_recv_size); |
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} |
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$str = ($str === false || $str === null) ? '' : $str; |
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if ($http_error === 401) { |
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$this->shutdownBrokenConnection('Authentication exception', 401); |
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} else { |
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$this->shutdownBrokenConnection($str); |
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} |
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} |
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$response = $this->fread($this->java_recv_size); |
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if ($response === null) { |
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$this->shutdownBrokenConnection('Cannot socket read response from SimpleHttpTunnelHandler'); |
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} |
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return (string) $response; |
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} |
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protected function getBodyFor($compat, $data): string |
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{ |
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$length = dechex(2 + strlen($data)); |
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return "\r\n${length}\r\n\177${compat}${data}\r\n"; |
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} |
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protected function getHttpHeadersPayload(): string |
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{ |
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$headers = [ |
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"PUT {$this->getWebApp()} HTTP/1.1", |
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"Host: {$this->host}:{$this->port}", |
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'Cache-Control: no-cache', |
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'Pragma: no-cache', |
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'Transfer-Encoding: chunked', |
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]; |
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if (($cookieHeaderLine = Cookie::getCookiesHeaderLine()) !== null) { |
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$headers[] = $cookieHeaderLine; |
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} |
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if (($context = trim($this->getContext())) !== '') { |
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$headers[] = $context; |
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} |
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242
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28 |
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$client = $this->protocol->getClient(); |
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28 |
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if (($user = $client->getParam(Client::PARAM_JAVA_AUTH_USER)) !== null) { |
244
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$password = $client->getParam(Client::PARAM_JAVA_AUTH_PASSWORD); |
245
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$encoded_credentials = base64_encode("{$user}:{$password}"); |
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$headers[] = "Authorization: Basic {$encoded_credentials}"; |
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} |
248
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249
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28 |
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return implode("\r\n", $headers); |
250
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} |
251
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252
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25 |
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public function write(string $data): ?int |
253
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{ |
254
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25 |
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$compat = PjbProxyClient::getInstance()->getCompatibilityOption($this->protocol->client); |
255
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25 |
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$this->headers = null; // reset headers |
256
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257
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$request = $this->httpHeadersPayload."\r\n".$this->getBodyFor($compat, $data); |
258
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259
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25 |
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$count = @fwrite($this->socket, $request); |
260
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25 |
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if ($count === false) { |
261
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1 |
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$this->shutdownBrokenConnection( |
262
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1 |
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sprintf( |
263
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1 |
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'Cannot write to socket, broken connection handle: %s', |
264
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1 |
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json_encode(error_get_last()) |
265
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) |
266
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); |
267
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} |
268
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25 |
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$flushed = @fflush($this->socket); |
269
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25 |
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if ($flushed === false) { |
270
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$this->shutdownBrokenConnection( |
271
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sprintf( |
272
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'Cannot flush to socket, broken connection handle: %s', |
273
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json_encode(error_get_last()) |
274
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) |
275
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); |
276
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} |
277
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278
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25 |
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return (int) $count; |
279
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} |
280
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281
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25 |
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protected function parseHeaders(): void |
282
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{ |
283
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25 |
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$this->headers = []; |
284
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285
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25 |
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$res = @fgets($this->socket, $this->java_recv_size); |
286
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25 |
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if ($res === false) { |
287
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1 |
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$this->shutdownBrokenConnection('Cannot parse headers, socket cannot be read.'); |
288
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} |
289
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25 |
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$line = trim($res); |
290
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25 |
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$ar = explode(' ', $line); |
291
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25 |
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$code = ((int) $ar[1]); |
292
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25 |
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if ($code !== 200) { |
293
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17 |
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$this->headers['http_error'] = $code; |
294
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} |
295
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25 |
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while ($str = trim(fgets($this->socket, $this->java_recv_size))) { |
296
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25 |
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if ($str[0] === 'X') { |
297
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24 |
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if (!strncasecmp('X_JAVABRIDGE_REDIRECT', $str, 21)) { |
298
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24 |
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$this->headers['redirect'] = trim(substr($str, 22)); |
299
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24 |
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} elseif (!strncasecmp('X_JAVABRIDGE_CONTEXT', $str, 20)) { |
300
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24 |
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$this->headers['context'] = trim(substr($str, 21)); |
301
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} |
302
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25 |
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} elseif ($str[0] === 'S') { |
303
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if (!strncasecmp('SET-COOKIE', $str, 10)) { |
304
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$str = substr($str, 12); |
305
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$this->cookies[] = $str; |
306
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$ar = explode(';', $str); |
307
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$cookie = explode('=', $ar[0]); |
308
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$path = ''; |
309
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if (isset($ar[1])) { |
310
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$p = explode('=', $ar[1]); |
311
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} |
312
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if (isset($p)) { |
313
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$path = $p[1]; |
314
|
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} |
315
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$this->doSetCookie($cookie[0], $cookie[1], $path); |
316
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} |
317
|
25 |
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} elseif ($str[0] === 'C') { |
318
|
25 |
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if (!strncasecmp('CONTENT-LENGTH', $str, 14)) { |
319
|
25 |
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$this->headers['content_length'] = trim(substr($str, 15)); |
320
|
25 |
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$this->hasContentLength = true; |
321
|
25 |
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} elseif (!strncasecmp('CONNECTION', $str, 10) && !strncasecmp('close', trim(substr($str, 11)), 5)) { |
322
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25 |
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$this->headers['connection_close'] = true; |
323
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} |
324
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25 |
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} elseif ($str[0] === 'T') { |
325
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if (!strncasecmp('TRANSFER-ENCODING', $str, 17) && !strncasecmp('chunked', trim(substr($str, 18)), 7)) { |
326
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$this->headers['transfer_chunked'] = true; |
327
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} |
328
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} |
329
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} |
330
|
25 |
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} |
331
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|
332
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/** |
333
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* @return ChunkedSocketChannel |
334
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*/ |
335
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protected function getSimpleChannel() |
336
|
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{ |
337
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return new ChunkedSocketChannel($this->socket, $this->host, $this->java_recv_size, $this->java_send_size); |
338
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} |
339
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|
340
|
9 |
|
public function redirect(): void |
341
|
|
|
{ |
342
|
9 |
|
$this->isRedirect = isset($this->headers['redirect']); |
343
|
9 |
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if ($this->isRedirect) { |
344
|
9 |
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$channelName = $this->headers['redirect']; |
345
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} else { |
346
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$channelName = null; |
347
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} |
348
|
9 |
|
$context = $this->headers['context']; |
349
|
9 |
|
$len = strlen($context); |
350
|
9 |
|
$len0 = chr(0xFF); |
351
|
9 |
|
$len1 = chr($len & 0xFF); |
352
|
9 |
|
$len >>= 8; |
353
|
9 |
|
$len2 = chr($len & 0xFF); |
354
|
9 |
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if ($this->isRedirect) { |
355
|
9 |
|
$this->protocol->setSocketHandler(new SocketHandler($this->protocol, $this->getChannel($channelName))); |
356
|
9 |
|
$this->protocol->write("\177${len0}${len1}${len2}${context}"); |
357
|
9 |
|
$this->context = sprintf("X_JAVABRIDGE_CONTEXT: %s\r\n", $context); |
358
|
9 |
|
$this->close(); |
359
|
9 |
|
$this->protocol->handler = $this->protocol->getSocketHandler(); |
360
|
9 |
|
if ($this->protocol->client->sendBuffer !== null) { |
361
|
9 |
|
$written = $this->protocol->handler->write($this->protocol->client->sendBuffer); |
362
|
9 |
|
if ($written === null) { |
363
|
|
|
$this->protocol->handler->shutdownBrokenConnection('Broken local connection handle'); |
364
|
|
|
} |
365
|
9 |
|
$this->protocol->client->sendBuffer = null; |
366
|
9 |
|
$read = $this->protocol->handler->read(1); |
|
|
|
|
367
|
|
|
} |
368
|
|
|
} else { |
369
|
|
|
$this->protocol->setSocketHandler(new SocketHandler($this->protocol, $this->getSimpleChannel())); |
370
|
|
|
$this->protocol->handler = $this->protocol->getSocketHandler(); |
371
|
|
|
} |
372
|
9 |
|
} |
373
|
|
|
} |
374
|
|
|
|