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authorIvan Enderlin <ivan.enderlin@hoa-project.net>2017-11-08 15:33:56 +0100
committerIvan Enderlin <ivan.enderlin@hoa-project.net>2017-11-08 15:33:56 +0100
commit34ca9fc0f37da39fcd1a6c67693f75716bf2a12c (patch)
tree9b96c370a68fb7eb8cf23435467ff90cdae1eb37 /Source/Protocol/Hybi00.php
parenta2a5964ed4daf971d4780476359d39be3d4ce046 (diff)
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chore(php) Update to PHP 7.
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+<?php
+
+/**
+ * Hoa
+ *
+ *
+ * @license
+ *
+ * New BSD License
+ *
+ * Copyright © 2007-2017, Hoa community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the Hoa nor the names of its contributors may be
+ * used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace Hoa\Websocket\Protocol;
+
+use Hoa\Http;
+use Hoa\Websocket;
+
+/**
+ * Class \Hoa\Websocket\Protocol\Hybi00.
+ *
+ * Protocol implementation: draft-ietf-hybi-thewebsocketprotocol-00.
+ *
+ * @copyright Copyright © 2007-2017 Hoa community
+ * @license New BSD License
+ */
+class Hybi00 extends Generic
+{
+ /**
+ * Do the handshake.
+ *
+ * @param \Hoa\Http\Request $request Request.
+ * @return void
+ * @throws \Hoa\Websocket\Exception\BadProtocol
+ */
+ public function doHandshake(Http\Request $request)
+ {
+ $key1 = $request['sec-websocket-key1'];
+ $key2 = $request['sec-websocket-key2'];
+ $key3 = $request->getBody();
+ $location = $request['host'] . $request->getUrl();
+ $keynumb1 = (float) preg_replace('#[^0-9]#', '', $key1);
+ $keynumb2 = (float) preg_replace('#[^0-9]#', '', $key2);
+
+ $spaces1 = substr_count($key1, ' ');
+ $spaces2 = substr_count($key2, ' ');
+
+ if (0 === $spaces1 || 0 === $spaces2) {
+ throw new Websocket\Exception\BadProtocol(
+ 'Header Sec-WebSocket-Key1: %s or ' .
+ 'Sec-WebSocket-Key2: %s is illegal.',
+ 0,
+ [$key1, $key2]
+ );
+ }
+
+ $part1 = pack('N', (int) ($keynumb1 / $spaces1));
+ $part2 = pack('N', (int) ($keynumb2 / $spaces2));
+ $challenge = $part1 . $part2 . $key3;
+ $response = md5($challenge, true);
+
+ $connection = $this->getConnection();
+ $connection->writeAll(
+ 'HTTP/1.1 101 WebSocket Protocol Handshake' . "\r\n" .
+ 'Upgrade: WebSocket' . "\r\n" .
+ 'Connection: Upgrade' . "\r\n" .
+ 'Sec-WebSocket-Origin: ' . $request['origin'] . "\r\n" .
+ 'Sec-WebSocket-Location: ws://' . $location . "\r\n" .
+ "\r\n" .
+ $response . "\r\n"
+ );
+ $connection->getCurrentNode()->setHandshake(SUCCEED);
+
+ return;
+ }
+
+ /**
+ * Read a frame.
+ *
+ * @return array
+ */
+ public function readFrame()
+ {
+ $buffer = $this->getConnection()->read(2048);
+ $length = strlen($buffer) - 2;
+
+ if (empty($buffer)) {
+ return [
+ 'fin' => 0x1,
+ 'rsv1' => 0x0,
+ 'rsv2' => 0x0,
+ 'rsv3' => 0x0,
+ 'opcode' => Websocket\Connection::OPCODE_CONNECTION_CLOSE,
+ 'mask' => 0x0,
+ 'length' => 0,
+ 'message' => null
+ ];
+ }
+
+ return [
+ 'fin' => 0x1,
+ 'rsv1' => 0x0,
+ 'rsv2' => 0x0,
+ 'rsv3' => 0x0,
+ 'opcode' => Websocket\Connection::OPCODE_TEXT_FRAME,
+ 'mask' => 0x0,
+ 'length' => $length,
+ 'message' => substr($buffer, 1, $length)
+ ];
+ }
+
+ /**
+ * Write a frame.
+ *
+ * @param string $message Message.
+ * @param int $opcode Opcode (useless here).
+ * @param bool $end Whether it is the last frame of the message.
+ * @param bool $mask Whether the message will be masked or not.
+ * @return int
+ */
+ public function writeFrame(
+ $message,
+ $opcode = -1,
+ $end = true,
+ $mask = false
+ ) {
+ return $this->getConnection()->writeAll(
+ chr(0) . $message . chr(255)
+ );
+ }
+
+ /**
+ * Send a message to a node (if not specified, current node).
+ *
+ * @param string $message Message.
+ * @param int $opcode Opcode.
+ * @param bool $end Whether it is the last frame of the message.
+ * @param bool $mask Whether the message will be masked or not.
+ * @return void
+ */
+ public function send($message, $opcode = -1, $end = true, $mask = false)
+ {
+ $this->writeFrame($message);
+
+ return;
+ }
+
+ /**
+ * Close a specific node/connection.
+ *
+ * @param int $code Code (please, see
+ * \Hoa\Websocket\Connection::CLOSE_*
+ * constants).
+ * @param string $reason Reason.
+ * @param bool $mask Whether the message will be masked or not.
+ * @return void
+ */
+ public function close(
+ $code = Websocket\Connection::CLOSE_NORMAL,
+ $reason = null,
+ $mask = false
+ ) {
+ return;
+ }
+}