githubFork/roundcubemail.git

			@@ -1,209 +1,300 @@
			<?php
			//
			// +----------------------------------------------------------------------+
			// \| PHP Version 4 \|
			// +----------------------------------------------------------------------+
			// \| Copyright (c) 1997-2003 The PHP Group \|
			// +----------------------------------------------------------------------+
			// \| This source file is subject to version 2.0 of the PHP license, \|
			// \| that is bundled with this package in the file LICENSE, and is \|
			// \| available at through the world-wide-web at \|
			// \| http://www.php.net/license/2_02.txt. \|
			// \| If you did not receive a copy of the PHP license and are unable to \|
			// \| obtain it through the world-wide-web, please send a note to \|
			// \| license@php.net so we can mail you a copy immediately. \|
			// +----------------------------------------------------------------------+
			// \| Authors: Stig Bakken <ssb@php.net> \|
			// \| Chuck Hagenbuch <chuck@horde.org> \|
			// +----------------------------------------------------------------------+
			//
			// $Id$
			//
			/**
			* Net_Socket
			*
			* PHP Version 4
			*
			* Copyright (c) 1997-2013 The PHP Group
			*
			* This source file is subject to version 2.0 of the PHP license,
			* that is bundled with this package in the file LICENSE, and is
			* available at through the world-wide-web at
			* http://www.php.net/license/2_02.txt.
			* If you did not receive a copy of the PHP license and are unable to
			* obtain it through the world-wide-web, please send a note to
			* license@php.net so we can mail you a copy immediately.
			*
			* Authors: Stig Bakken <ssb@php.net>
			* Chuck Hagenbuch <chuck@horde.org>
			*
			* @category Net
			* @package Net_Socket
			* @author Stig Bakken <ssb@php.net>
			* @author Chuck Hagenbuch <chuck@horde.org>
			* @copyright 1997-2003 The PHP Group
			* @license http://www.php.net/license/2_02.txt PHP 2.02
			* @link http://pear.php.net/packages/Net_Socket
			*/

			require_once 'PEAR.php';

			/**
			* Generalized Socket class. More docs to be written.
			*
			* @version 1.0
			* @author Stig Bakken <ssb@php.net>
			* @author Chuck Hagenbuch <chuck@horde.org>
			*/
			class Net_Socket extends PEAR {
			// {{{ properties
			define('NET_SOCKET_READ', 1);
			define('NET_SOCKET_WRITE', 2);
			define('NET_SOCKET_ERROR', 4);

			/** Socket file pointer. */
			/**
			* Generalized Socket class.
			*
			* @category Net
			* @package Net_Socket
			* @author Stig Bakken <ssb@php.net>
			* @author Chuck Hagenbuch <chuck@horde.org>
			* @copyright 1997-2003 The PHP Group
			* @license http://www.php.net/license/2_02.txt PHP 2.02
			* @link http://pear.php.net/packages/Net_Socket
			*/
			class Net_Socket extends PEAR
			{
			/**
			* Socket file pointer.
			* @var resource $fp
			*/
			var $fp = null;

			/** Whether the socket is blocking. */
			/**
			* Whether the socket is blocking. Defaults to true.
			* @var boolean $blocking
			*/
			var $blocking = true;

			/** Whether the socket is persistent. */
			/**
			* Whether the socket is persistent. Defaults to false.
			* @var boolean $persistent
			*/
			var $persistent = false;

			/** The IP address to connect to. */
			/**
			* The IP address to connect to.
			* @var string $addr
			*/
			var $addr = '';

			/** The port number to connect to. */
			/**
			* The port number to connect to.
			* @var integer $port
			*/
			var $port = 0;

			/** Number of seconds to wait on socket connections before
			assuming there's no more data. */
			var $timeout = false;

			/** Number of bytes to read at a time in readLine() and
			readAll(). */
			var $lineLength = 2048;
			// }}}

			// {{{ constructor
			/**
			* Constructs a new Net_Socket object.
			*
			* @access public
			* Number of seconds to wait on socket operations before assuming
			* there's no more data. Defaults to no timeout.
			* @var integer\|float $timeout
			*/
			function Net_Socket()
			{
			$this->PEAR();
			}
			// }}}
			var $timeout = null;

			// {{{ connect()
			/**
			* Number of bytes to read at a time in readLine() and
			* readAll(). Defaults to 2048.
			* @var integer $lineLength
			*/
			var $lineLength = 2048;

			/**
			* The string to use as a newline terminator. Usually "\r\n" or "\n".
			* @var string $newline
			*/
			var $newline = "\r\n";

			/**
			* Connect to the specified port. If called when the socket is
			* already connected, it disconnects and connects again.
			*
			* @param $addr string IP address or host name
			* @param $port int TCP port number
			* @param $persistent bool (optional) whether the connection is
			* persistent (kept open between requests by the web server)
			* @param $timeout int (optional) how long to wait for data
			* @param $options array see options for stream_context_create
			* @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 $options See options for stream_context_create.
			*
			* @access public
			* @return mixed true on success or error object
			*
			* @return boolean\|PEAR_Error True on success or a PEAR_Error on failure.
			*/
			function connect($addr, $port, $persistent = null, $timeout = null, $options = null)
			function connect($addr, $port = 0, $persistent = null,
			$timeout = null, $options = null)
			{
			if (is_resource($this->fp)) {
			@fclose($this->fp);
			$this->fp = null;
			}

			if (strspn($addr, '.0123456789') == strlen($addr)) {
			$this->addr = $addr;
			if (!$addr) {
			return $this->raiseError('$addr cannot be empty');
			} else if (strspn($addr, ':.0123456789') == strlen($addr)) {
			$this->addr = strpos($addr, ':') !== false ? '['.$addr.']' : $addr;
			} else {
			$this->addr = gethostbyname($addr);
			$this->addr = $addr;
			}

			$this->port = $port % 65536;

			if ($persistent !== null) {
			$this->persistent = $persistent;
			}
			if ($timeout !== null) {
			$this->timeout = $timeout;
			}

			$openfunc = $this->persistent ? 'pfsockopen' : 'fsockopen';
			$errno = 0;
			$errstr = '';
			$errno = 0;
			$errstr = '';

			$old_track_errors = @ini_set('track_errors', 1);

			if ($timeout <= 0) {
			$timeout = @ini_get('default_socket_timeout');
			}

			if ($options && function_exists('stream_context_create')) {
			if ($this->timeout) {
			$timeout = $this->timeout;
			} else {
			$timeout = 0;
			}
			$context = stream_context_create($options);
			$fp = $openfunc($this->addr, $this->port, $errno, $errstr, $timeout, $context);
			} else {
			if ($this->timeout) {
			$fp = @$openfunc($this->addr, $this->port, $errno, $errstr, $this->timeout);

			// 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);
			$fp = @$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);
			}
			// }}}

			// {{{ disconnect()
			/**
			* Disconnects from the peer, closes the socket.
			*
			* @access public
			* @return mixed true on success or an error object otherwise
			* @return mixed true on success or a PEAR_Error instance otherwise
			*/
			function disconnect()
			{
			if (is_resource($this->fp)) {
			fclose($this->fp);
			$this->fp = null;
			return true;
			if (!is_resource($this->fp)) {
			return $this->raiseError('not connected');
			}
			return $this->raiseError("not connected");
			}
			// }}}

			// {{{ isBlocking()
			@fclose($this->fp);
			$this->fp = null;
			return true;
			}

			/**
			* Set the newline character/sequence to use.
			*
			* @param string $newline Newline character(s)
			* @return boolean True
			*/
			function setNewline($newline)
			{
			$this->newline = $newline;
			return true;
			}

			/**
			* Find out if the socket is in blocking mode.
			*
			* @access public
			* @return bool the current blocking mode.
			* @return boolean The current blocking mode.
			*/
			function isBlocking()
			{
			return $this->blocking;
			}
			// }}}

			// {{{ setBlocking()
			/**
			* 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 $mode bool true for blocking sockets, false for nonblocking
			* @param boolean $mode True for blocking sockets, false for nonblocking.
			*
			* @access public
			* @return mixed true on success or an error object otherwise
			* @return mixed true on success or a PEAR_Error instance otherwise
			*/
			function setBlocking($mode)
			{
			if (is_resource($this->fp)) {
			$this->blocking = $mode;
			socket_set_blocking($this->fp, $this->blocking);
			return true;
			if (!is_resource($this->fp)) {
			return $this->raiseError('not connected');
			}
			return $this->raiseError("not connected");
			}
			// }}}

			// {{{ setTimeout()
			$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 $seconds int seconds
			* @param $microseconds int microseconds
			* @param integer $seconds Seconds.
			* @param integer $microseconds Microseconds, optional.
			*
			* @access public
			* @return mixed true on success or an error object otherwise
			* @return mixed True on success or false on failure or
			* a PEAR_Error instance when not connected
			*/
			function setTimeout($seconds, $microseconds)
			function setTimeout($seconds = null, $microseconds = null)
			{
			if (is_resource($this->fp)) {
			socket_set_timeout($this->fp, $seconds, $microseconds);
			if (!is_resource($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 $size Write buffer size.
			*
			* @access public
			* @return mixed on success or an PEAR_Error object otherwise
			*/
			function setWriteBuffer($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("not connected");
			return $this->raiseError('Cannot set write buffer.');
			}
			// }}}

			// {{{ getStatus()
			/**
			* Returns information about an existing socket resource.
			* Currently returns four entries in the result array:
			@@ -216,101 +307,163 @@
			* </p>
			*
			* @access public
			* @return mixed Array containing information about existing socket resource or an error object otherwise
			* @return mixed Array containing information about existing socket
			* resource or a PEAR_Error instance otherwise
			*/
			function getStatus()
			{
			if (is_resource($this->fp)) {
			return socket_get_status($this->fp);
			if (!is_resource($this->fp)) {
			return $this->raiseError('not connected');
			}
			return $this->raiseError("not connected");
			}
			// }}}

			// {{{ gets()
			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 $size bytes of data from the socket, or a PEAR_Error if
			* not connected.
			* @return mixed $size bytes of data from the socket, or a PEAR_Error if
			* not connected. If an error occurs, FALSE is returned.
			*/
			function gets($size)
			function gets($size = null)
			{
			if (is_resource($this->fp)) {
			return fgets($this->fp, $size);
			if (!is_resource($this->fp)) {
			return $this->raiseError('not connected');
			}
			return $this->raiseError("not connected");
			}
			// }}}

			// {{{ read()
			if (is_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 $size The number of bytes to read from the socket.
			* @param integer $size The number of bytes to read from the socket.
			*
			* @access public
			* @return $size bytes of data from the socket, or a PEAR_Error if
			* not connected.
			*/
			function read($size)
			{
			if (is_resource($this->fp)) {
			return fread($this->fp, $size);
			if (!is_resource($this->fp)) {
			return $this->raiseError('not connected');
			}
			return $this->raiseError("not connected");
			}
			// }}}

			// {{{ write()
			return @fread($this->fp, $size);
			}

			/**
			* Write a specified amount of data.
			*
			* @access public
			* @return mixed true on success or an error object otherwise
			*/
			function write($data)
			{
			if (is_resource($this->fp)) {
			return fwrite($this->fp, $data);
			}
			return $this->raiseError("not connected");
			}
			// }}}

			// {{{ writeLine()
			/**
			* Write a line of data to the socket, followed by a trailing "\r\n".
			* @param string $data Data to write.
			* @param integer $blocksize Amount of data to write at once.
			* NULL means all at once.
			*
			* @access public
			* @return mixed fputs result, or an error
			* @return mixed If the socket is not connected, returns an instance of
			* PEAR_Error.
			* If the write succeeds, returns the number of bytes written.
			* If the write fails, returns false.
			* If the socket times out, returns an instance of PEAR_Error.
			*/
			function writeLine ($data)
			function write($data, $blocksize = null)
			{
			if (is_resource($this->fp)) {
			return $this->write($data . "\r\n");
			if (!is_resource($this->fp)) {
			return $this->raiseError('not connected');
			}
			return $this->raiseError("not connected");
			}
			// }}}

			// {{{ eof()
			if (is_null($blocksize) && !OS_WINDOWS) {
			$written = @fwrite($this->fp, $data);

			// Check for timeout or lost connection
			if (!$written) {
			$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 $written;
			} else {
			if (is_null($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) {
			$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;
			}
			}

			/**
			* Tests for end-of-file on a socket descriptor
			* Write a line of data to the socket, followed by a trailing newline.
			*
			* @param string $data Data to write
			*
			* @access public
			* @return mixed fwrite() result, or PEAR_Error when not connected
			*/
			function writeLine($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
			*/
			function eof()
			{
			return (is_resource($this->fp) && feof($this->fp));
			return (!is_resource($this->fp) \|\| feof($this->fp));
			}
			// }}}

			// {{{ readByte()
			/**
			* Reads a byte of data
			*
			@@ -320,14 +473,13 @@
			*/
			function readByte()
			{
			if (is_resource($this->fp)) {
			return ord($this->read(1));
			if (!is_resource($this->fp)) {
			return $this->raiseError('not connected');
			}
			return $this->raiseError("not connected");
			}
			// }}}

			// {{{ readWord()
			return ord(@fread($this->fp, 1));
			}

			/**
			* Reads a word of data
			*
			@@ -337,36 +489,34 @@
			*/
			function readWord()
			{
			if (is_resource($this->fp)) {
			$buf = $this->read(2);
			return (ord($buf[0]) + (ord($buf[1]) << 8));
			if (!is_resource($this->fp)) {
			return $this->raiseError('not connected');
			}
			return $this->raiseError("not connected");
			}
			// }}}

			// {{{ readInt()
			$buf = @fread($this->fp, 2);
			return (ord($buf[0]) + (ord($buf[1]) << 8));
			}

			/**
			* Reads an int of data
			*
			* @access public
			* @return 1 int of data from the socket, or a PEAR_Error if
			* not connected.
			* @return integer 1 int of data from the socket, or a PEAR_Error if
			* not connected.
			*/
			function readInt()
			{
			if (is_resource($this->fp)) {
			$buf = $this->read(4);
			return (ord($buf[0]) + (ord($buf[1]) << 8) +
			(ord($buf[2]) << 16) + (ord($buf[3]) << 24));
			if (!is_resource($this->fp)) {
			return $this->raiseError('not connected');
			}
			return $this->raiseError("not connected");
			}
			// }}}

			// {{{ readString()
			$buf = @fread($this->fp, 4);
			return (ord($buf[0]) + (ord($buf[1]) << 8) +
			(ord($buf[2]) << 16) + (ord($buf[3]) << 24));
			}

			/**
			* Reads a zeroterminated string of data
			* Reads a zero-terminated string of data
			*
			* @access public
			* @return string, or a PEAR_Error if
			@@ -374,37 +524,35 @@
			*/
			function readString()
			{
			if (is_resource($this->fp)) {
			$string = '';
			while (($char = $this->read(1)) != "\x00") {
			$string .= $char;
			}
			return $string;
			if (!is_resource($this->fp)) {
			return $this->raiseError('not connected');
			}
			return $this->raiseError("not connected");
			}
			// }}}

			// {{{ readIPAddress()
			$string = '';
			while (($char = @fread($this->fp, 1)) != "\x00") {
			$string .= $char;
			}
			return $string;
			}

			/**
			* Reads an IP Address and returns it in a dot formated string
			* Reads an IP Address and returns it in a dot formatted string
			*
			* @access public
			* @return Dot formated string, or a PEAR_Error if
			* @return Dot formatted string, or a PEAR_Error if
			* not connected.
			*/
			function readIPAddress()
			{
			if (is_resource($this->fp)) {
			$buf = $this->read(4);
			return sprintf("%s.%s.%s.%s", ord($buf[0]), ord($buf[1]),
			ord($buf[2]), ord($buf[3]));
			if (!is_resource($this->fp)) {
			return $this->raiseError('not connected');
			}
			return $this->raiseError("not connected");
			}
			// }}}

			// {{{ readLine()
			$buf = @fread($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.
			@@ -416,41 +564,123 @@
			*/
			function readLine()
			{
			if (is_resource($this->fp)) {
			$line = '';
			$timeout = time() + $this->timeout;
			while (!$this->eof() && (!$this->timeout \|\| time() < $timeout)) {
			$line .= $this->gets($this->lineLength);
			if (substr($line, -2) == "\r\n" \|\|
			substr($line, -1) == "\n") {
			return rtrim($line, "\r\n");
			}
			}
			return $line;
			if (!is_resource($this->fp)) {
			return $this->raiseError('not connected');
			}
			return $this->raiseError("not connected");
			}
			// }}}

			// {{{ readAll()
			$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. THIS FUNCTION WILL NOT EXIT if the
			* socket is in blocking mode until the socket closes.
			* 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 All data until the socket closes, or a PEAR_Error if
			* not connected.
			*
			* @return string All data until the socket closes, or a PEAR_Error if
			* not connected.
			*/
			function readAll()
			{
			if (is_resource($this->fp)) {
			$data = '';
			while (!$this->eof())
			$data .= $this->read($this->lineLength);
			return $data;
			if (!is_resource($this->fp)) {
			return $this->raiseError('not connected');
			}
			return $this->raiseError("not connected");

			$data = '';
			while (!feof($this->fp)) {
			$data .= @fread($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 $tv_usec Number of microseconds for timeout.
			*
			* @access public
			* @return False if select fails, integer describing which of read/write/error
			* are ready, or PEAR_Error if not connected.
			*/
			function select($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 $type Type of encryption. See stream_socket_enable_crypto()
			* for values.
			*
			* @see http://se.php.net/manual/en/function.stream-socket-enable-crypto.php
			* @access public
			* @return false on error, true on success and 0 if there isn't enough data
			* and the user should try again (non-blocking sockets only).
			* A PEAR_Error object is returned if the socket is not
			* connected
			*/
			function enableCrypto($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);
			}
			}

			}