--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/pear/net_socket/Net/Socket.php	Thu Jan 04 15:50:29 2018 -0500
@@ -0,0 +1,723 @@
+<?php
+/**
+ * Net_Socket
+ *
+ * PHP Version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 1997-2017 The PHP Group
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * o Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * o 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.
+ *
+ * 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
+ * HOLDER OR 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.
+ *
+ * @category  Net
+ * @package   Net_Socket
+ * @author    Stig Bakken <ssb@php.net>
+ * @author    Chuck Hagenbuch <chuck@horde.org>
+ * @copyright 1997-2017 The PHP Group
+ * @license   http://opensource.org/licenses/bsd-license.php BSD-2-Clause
+ * @link      http://pear.php.net/packages/Net_Socket
+ */
+
+require_once 'PEAR.php';
+
+define('NET_SOCKET_READ', 1);
+define('NET_SOCKET_WRITE', 2);
+define('NET_SOCKET_ERROR', 4);
+
+/**
+ * Generalized Socket class.
+ *
+ * @category  Net
+ * @package   Net_Socket
+ * @author    Stig Bakken <ssb@php.net>
+ * @author    Chuck Hagenbuch <chuck@horde.org>
+ * @copyright 1997-2017 The PHP Group
+ * @license   http://opensource.org/licenses/bsd-license.php BSD-2-Clause
+ * @link      http://pear.php.net/packages/Net_Socket
+ */
+class Net_Socket extends PEAR
+{
+    /**
+     * Socket file pointer.
+     * @var resource $fp
+     */
+    public $fp = null;
+
+    /**
+     * Whether the socket is blocking. Defaults to true.
+     * @var boolean $blocking
+     */
+    public $blocking = true;
+
+    /**
+     * Whether the socket is persistent. Defaults to false.
+     * @var boolean $persistent
+     */
+    public $persistent = false;
+
+    /**
+     * The IP address to connect to.
+     * @var string $addr
+     */
+    public $addr = '';
+
+    /**
+     * The port number to connect to.
+     * @var integer $port
+     */
+    public $port = 0;
+
+    /**
+     * Number of seconds to wait on socket operations before assuming
+     * there's no more data. Defaults to no timeout.
+     * @var integer|float $timeout
+     */
+    public $timeout = null;
+
+    /**
+     * Number of bytes to read at a time in readLine() and
+     * readAll(). Defaults to 2048.
+     * @var integer $lineLength
+     */
+    public $lineLength = 2048;
+
+    /**
+     * The string to use as a newline terminator. Usually "\r\n" or "\n".
+     * @var string $newline
+     */
+    public $newline = "\r\n";
+
+    /**
+     * Connect to the specified port. If called when the socket is
+     * already connected, it disconnects and connects again.
+     *
+     * @param string $addr IP address or host name (may be with protocol prefix).
+     * @param integer $port TCP port number.
+     * @param boolean $persistent (optional) Whether the connection is
+     *                            persistent (kept open between requests
+     *                            by the web server).
+     * @param integer $timeout (optional) Connection socket timeout.
+     * @param array $options See options for stream_context_create.
+     *
+     * @access public
+     *
+     * @return boolean|PEAR_Error  True on success or a PEAR_Error on failure.
+     */
+    public function connect(
+        $addr,
+        $port = 0,
+        $persistent = null,
+        $timeout = null,
+        $options = null
+    ) {
+        if (is_resource($this->fp)) {
+            @fclose($this->fp);
+            $this->fp = null;
+        }
+
+        if (!$addr) {
+            return $this->raiseError('$addr cannot be empty');
+        } else {
+            if (strspn($addr, ':.0123456789') === strlen($addr)) {
+                $this->addr = strpos($addr, ':') !== false ? '[' . $addr . ']' : $addr;
+            } else {
+                $this->addr = $addr;
+            }
+        }
+
+        $this->port = $port % 65536;
+
+        if ($persistent !== null) {
+            $this->persistent = $persistent;
+        }
+
+        $openfunc = $this->persistent ? 'pfsockopen' : 'fsockopen';
+        $errno = 0;
+        $errstr = '';
+
+        $old_track_errors = @ini_set('track_errors', 1);
+
+        if ($timeout <= 0) {
+            $timeout = @ini_get('default_socket_timeout');
+        }
+
+        if ($options && function_exists('stream_context_create')) {
+            $context = stream_context_create($options);
+
+            // Since PHP 5 fsockopen doesn't allow context specification
+            if (function_exists('stream_socket_client')) {
+                $flags = STREAM_CLIENT_CONNECT;
+
+                if ($this->persistent) {
+                    $flags = STREAM_CLIENT_PERSISTENT;
+                }
+
+                $addr = $this->addr . ':' . $this->port;
+                $fp = @stream_socket_client($addr, $errno, $errstr,
+                    $timeout, $flags, $context);
+            } else {
+                $fp = @$openfunc($this->addr, $this->port, $errno,
+                    $errstr, $timeout, $context);
+            }
+        } else {
+            $fp = @$openfunc($this->addr, $this->port, $errno, $errstr, $timeout);
+        }
+
+        if (!$fp) {
+            if ($errno === 0 && !strlen($errstr) && isset($php_errormsg)) {
+                $errstr = $php_errormsg;
+            }
+            @ini_set('track_errors', $old_track_errors);
+
+            return $this->raiseError($errstr, $errno);
+        }
+
+        @ini_set('track_errors', $old_track_errors);
+        $this->fp = $fp;
+        $this->setTimeout();
+
+        return $this->setBlocking($this->blocking);
+    }
+
+    /**
+     * Disconnects from the peer, closes the socket.
+     *
+     * @access public
+     * @return mixed true on success or a PEAR_Error instance otherwise
+     */
+    public function disconnect()
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        @fclose($this->fp);
+        $this->fp = null;
+
+        return true;
+    }
+
+    /**
+     * Set the newline character/sequence to use.
+     *
+     * @param string $newline Newline character(s)
+     * @return boolean True
+     */
+    public function setNewline($newline)
+    {
+        $this->newline = $newline;
+
+        return true;
+    }
+
+    /**
+     * Find out if the socket is in blocking mode.
+     *
+     * @access public
+     * @return boolean  The current blocking mode.
+     */
+    public function isBlocking()
+    {
+        return $this->blocking;
+    }
+
+    /**
+     * Sets whether the socket connection should be blocking or
+     * not. A read call to a non-blocking socket will return immediately
+     * if there is no data available, whereas it will block until there
+     * is data for blocking sockets.
+     *
+     * @param boolean $mode True for blocking sockets, false for nonblocking.
+     *
+     * @access public
+     * @return mixed true on success or a PEAR_Error instance otherwise
+     */
+    public function setBlocking($mode)
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        $this->blocking = $mode;
+        stream_set_blocking($this->fp, (int)$this->blocking);
+
+        return true;
+    }
+
+    /**
+     * Sets the timeout value on socket descriptor,
+     * expressed in the sum of seconds and microseconds
+     *
+     * @param integer $seconds Seconds.
+     * @param integer $microseconds Microseconds, optional.
+     *
+     * @access public
+     * @return mixed True on success or false on failure or
+     *               a PEAR_Error instance when not connected
+     */
+    public function setTimeout($seconds = null, $microseconds = null)
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        if ($seconds === null && $microseconds === null) {
+            $seconds = (int)$this->timeout;
+            $microseconds = (int)(($this->timeout - $seconds) * 1000000);
+        } else {
+            $this->timeout = $seconds + $microseconds / 1000000;
+        }
+
+        if ($this->timeout > 0) {
+            return stream_set_timeout($this->fp, (int)$seconds, (int)$microseconds);
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Sets the file buffering size on the stream.
+     * See php's stream_set_write_buffer for more information.
+     *
+     * @param integer $size Write buffer size.
+     *
+     * @access public
+     * @return mixed on success or an PEAR_Error object otherwise
+     */
+    public function setWriteBuffer($size)
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        $returned = stream_set_write_buffer($this->fp, $size);
+        if ($returned === 0) {
+            return true;
+        }
+
+        return $this->raiseError('Cannot set write buffer.');
+    }
+
+    /**
+     * Returns information about an existing socket resource.
+     * Currently returns four entries in the result array:
+     *
+     * <p>
+     * timed_out (bool) - The socket timed out waiting for data<br>
+     * blocked (bool) - The socket was blocked<br>
+     * eof (bool) - Indicates EOF event<br>
+     * unread_bytes (int) - Number of bytes left in the socket buffer<br>
+     * </p>
+     *
+     * @access public
+     * @return mixed Array containing information about existing socket
+     *               resource or a PEAR_Error instance otherwise
+     */
+    public function getStatus()
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        return stream_get_meta_data($this->fp);
+    }
+
+    /**
+     * Get a specified line of data
+     *
+     * @param int $size Reading ends when size - 1 bytes have been read,
+     *                  or a newline or an EOF (whichever comes first).
+     *                  If no size is specified, it will keep reading from
+     *                  the stream until it reaches the end of the line.
+     *
+     * @access public
+     * @return mixed $size bytes of data from the socket, or a PEAR_Error if
+     *         not connected. If an error occurs, FALSE is returned.
+     */
+    public function gets($size = null)
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        if (null === $size) {
+            return @fgets($this->fp);
+        } else {
+            return @fgets($this->fp, $size);
+        }
+    }
+
+    /**
+     * Read a specified amount of data. This is guaranteed to return,
+     * and has the added benefit of getting everything in one fread()
+     * chunk; if you know the size of the data you're getting
+     * beforehand, this is definitely the way to go.
+     *
+     * @param integer $size The number of bytes to read from the socket.
+     *
+     * @access public
+     * @return string $size bytes of data from the socket, or a PEAR_Error if
+     *         not connected.
+     */
+    public function read($size)
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        return @fread($this->fp, $size);
+    }
+
+    /**
+     * Write a specified amount of data.
+     *
+     * @param string $data Data to write.
+     * @param integer $blocksize Amount of data to write at once.
+     *                           NULL means all at once.
+     *
+     * @access public
+     * @return mixed If the socket is not connected, returns an instance of
+     *               PEAR_Error.
+     *               If the write succeeds, returns the number of bytes written.
+     *               If the write fails, returns false.
+     *               If the socket times out, returns an instance of PEAR_Error.
+     */
+    public function write($data, $blocksize = null)
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        if (null === $blocksize && !OS_WINDOWS) {
+            $written = @fwrite($this->fp, $data);
+
+            // Check for timeout or lost connection
+            if ($written === false) {
+                $meta_data = $this->getStatus();
+
+                if (!is_array($meta_data)) {
+                    return $meta_data; // PEAR_Error
+                }
+
+                if (!empty($meta_data['timed_out'])) {
+                    return $this->raiseError('timed out');
+                }
+            }
+
+            return $written;
+        } else {
+            if (null === $blocksize) {
+                $blocksize = 1024;
+            }
+
+            $pos = 0;
+            $size = strlen($data);
+            while ($pos < $size) {
+                $written = @fwrite($this->fp, substr($data, $pos, $blocksize));
+
+                // Check for timeout or lost connection
+                if ($written === false) {
+                    $meta_data = $this->getStatus();
+
+                    if (!is_array($meta_data)) {
+                        return $meta_data; // PEAR_Error
+                    }
+
+                    if (!empty($meta_data['timed_out'])) {
+                        return $this->raiseError('timed out');
+                    }
+
+                    return $written;
+                }
+
+                $pos += $written;
+            }
+
+            return $pos;
+        }
+    }
+
+    /**
+     * Write a line of data to the socket, followed by a trailing newline.
+     *
+     * @param string $data Data to write
+     *
+     * @access public
+     * @return mixed fwrite() result, or PEAR_Error when not connected
+     */
+    public function writeLine($data)
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        return fwrite($this->fp, $data . $this->newline);
+    }
+
+    /**
+     * Tests for end-of-file on a socket descriptor.
+     *
+     * Also returns true if the socket is disconnected.
+     *
+     * @access public
+     * @return bool
+     */
+    public function eof()
+    {
+        return (!is_resource($this->fp) || feof($this->fp));
+    }
+
+    /**
+     * Reads a byte of data
+     *
+     * @access public
+     * @return integer 1 byte of data from the socket, or a PEAR_Error if
+     *         not connected.
+     */
+    public function readByte()
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        return ord(@fread($this->fp, 1));
+    }
+
+    /**
+     * Reads a word of data
+     *
+     * @access public
+     * @return integer 1 word of data from the socket, or a PEAR_Error if
+     *         not connected.
+     */
+    public function readWord()
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        $buf = @fread($this->fp, 2);
+
+        return (ord($buf[0]) + (ord($buf[1]) << 8));
+    }
+
+    /**
+     * Reads an int of data
+     *
+     * @access public
+     * @return integer  1 int of data from the socket, or a PEAR_Error if
+     *                  not connected.
+     */
+    public function readInt()
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        $buf = @fread($this->fp, 4);
+
+        return (ord($buf[0]) + (ord($buf[1]) << 8) +
+            (ord($buf[2]) << 16) + (ord($buf[3]) << 24));
+    }
+
+    /**
+     * Reads a zero-terminated string of data
+     *
+     * @access public
+     * @return string, or a PEAR_Error if
+     *         not connected.
+     */
+    public function readString()
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        $string = '';
+        while (($char = @fread($this->fp, 1)) !== "\x00") {
+            $string .= $char;
+        }
+
+        return $string;
+    }
+
+    /**
+     * Reads an IP Address and returns it in a dot formatted string
+     *
+     * @access public
+     * @return string Dot formatted string, or a PEAR_Error if
+     *         not connected.
+     */
+    public function readIPAddress()
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        $buf = @fread($this->fp, 4);
+
+        return sprintf('%d.%d.%d.%d', ord($buf[0]), ord($buf[1]),
+            ord($buf[2]), ord($buf[3]));
+    }
+
+    /**
+     * Read until either the end of the socket or a newline, whichever
+     * comes first. Strips the trailing newline from the returned data.
+     *
+     * @access public
+     * @return string All available data up to a newline, without that
+     *         newline, or until the end of the socket, or a PEAR_Error if
+     *         not connected.
+     */
+    public function readLine()
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        $line = '';
+
+        $timeout = time() + $this->timeout;
+
+        while (!feof($this->fp) && (!$this->timeout || time() < $timeout)) {
+            $line .= @fgets($this->fp, $this->lineLength);
+            if (substr($line, -1) == "\n") {
+                return rtrim($line, $this->newline);
+            }
+        }
+
+        return $line;
+    }
+
+    /**
+     * Read until the socket closes, or until there is no more data in
+     * the inner PHP buffer. If the inner buffer is empty, in blocking
+     * mode we wait for at least 1 byte of data. Therefore, in
+     * blocking mode, if there is no data at all to be read, this
+     * function will never exit (unless the socket is closed on the
+     * remote end).
+     *
+     * @access public
+     *
+     * @return string  All data until the socket closes, or a PEAR_Error if
+     *                 not connected.
+     */
+    public function readAll()
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        $data = '';
+        $timeout = time() + $this->timeout;
+
+        while (!feof($this->fp) && (!$this->timeout || time() < $timeout)) {
+            $data .= @fread($this->fp, $this->lineLength);
+        }
+
+        return $data;
+    }
+
+    /**
+     * Runs the equivalent of the select() system call on the socket
+     * with a timeout specified by tv_sec and tv_usec.
+     *
+     * @param integer $state Which of read/write/error to check for.
+     * @param integer $tv_sec Number of seconds for timeout.
+     * @param integer $tv_usec Number of microseconds for timeout.
+     *
+     * @access public
+     * @return False if select fails, integer describing which of read/write/error
+     *         are ready, or PEAR_Error if not connected.
+     */
+    public function select($state, $tv_sec, $tv_usec = 0)
+    {
+        if (!is_resource($this->fp)) {
+            return $this->raiseError('not connected');
+        }
+
+        $read = null;
+        $write = null;
+        $except = null;
+        if ($state & NET_SOCKET_READ) {
+            $read[] = $this->fp;
+        }
+        if ($state & NET_SOCKET_WRITE) {
+            $write[] = $this->fp;
+        }
+        if ($state & NET_SOCKET_ERROR) {
+            $except[] = $this->fp;
+        }
+        if (false === ($sr = stream_select($read, $write, $except,
+                $tv_sec, $tv_usec))
+        ) {
+            return false;
+        }
+
+        $result = 0;
+        if (count($read)) {
+            $result |= NET_SOCKET_READ;
+        }
+        if (count($write)) {
+            $result |= NET_SOCKET_WRITE;
+        }
+        if (count($except)) {
+            $result |= NET_SOCKET_ERROR;
+        }
+
+        return $result;
+    }
+
+    /**
+     * Turns encryption on/off on a connected socket.
+     *
+     * @param bool $enabled Set this parameter to true to enable encryption
+     *                         and false to disable encryption.
+     * @param integer $type Type of encryption. See stream_socket_enable_crypto()
+     *                         for values.
+     *
+     * @see    http://se.php.net/manual/en/function.stream-socket-enable-crypto.php
+     * @access public
+     * @return false on error, true on success and 0 if there isn't enough data
+     *         and the user should try again (non-blocking sockets only).
+     *         A PEAR_Error object is returned if the socket is not
+     *         connected
+     */
+    public function enableCrypto($enabled, $type)
+    {
+        if (version_compare(phpversion(), '5.1.0', '>=')) {
+            if (!is_resource($this->fp)) {
+                return $this->raiseError('not connected');
+            }
+
+            return @stream_socket_enable_crypto($this->fp, $enabled, $type);
+        } else {
+            $msg = 'Net_Socket::enableCrypto() requires php version >= 5.1.0';
+
+            return $this->raiseError($msg);
+        }
+    }
+
+}