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<?php
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/**
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* This file contains the code for a TCP transport layer.
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to version 2.02 of the PHP license,
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* that is bundled with this package in the file LICENSE, and is available at
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* through the world-wide-web at http://www.php.net/license/2_02.txt. If you
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* did not receive a copy of the PHP license and are unable to obtain it
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* through the world-wide-web, please send a note to license@php.net so we can
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* mail you a copy immediately.
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*
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* @category Web Services
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* @package SOAP
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* @author Shane Hanna <iordy_at_iordy_dot_com>
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* @author Jan Schneider <jan@horde.org>
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* @copyright 2003-2006 The PHP Group
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* @license http://www.php.net/license/2_02.txt PHP License 2.02
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* @link http://pear.php.net/package/SOAP
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*/
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require_once 'SOAP/Transport.php';
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/**
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* TCP transport for SOAP.
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*
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* @todo use Net_Socket; implement some security scheme; implement support
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* for attachments
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* @access public
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* @package SOAP
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* @author Shane Hanna <iordy_at_iordy_dot_com>
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* @author Jan Schneider <jan@horde.org>
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*/
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class SOAP_Transport_TCP extends SOAP_Transport
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{
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/**
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* Socket.
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*/
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var $socket = null;
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/**
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* Constructor.
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*
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* @param string $url HTTP url to SOAP endpoint.
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*
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* @access public
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*/
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function SOAP_Transport_TCP($url, $encoding = SOAP_DEFAULT_ENCODING)
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{
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parent::SOAP_Base_Object('TCP');
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$this->urlparts = @parse_url($url);
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$this->url = $url;
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$this->encoding = $encoding;
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}
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function _socket_ping()
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{
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// XXX how do we restart after socket_shutdown?
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//if (!$this->socket) {
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// Create socket resource.
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$this->socket = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
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if ($this->socket < 0) {
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return 0;
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}
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// Connect.
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$result = socket_connect($this->socket, $this->urlparts['host'],
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$this->urlparts['port']);
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if ($result < 0) {
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return 0;
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}
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//}
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return 1;
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}
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/**
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* Sends and receives SOAP data.
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*
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* @access public
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*
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* @param string Outgoing SOAP data.
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* @param array Options.
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*
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* @return string|SOAP_Fault
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*/
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function send($msg, $options = array())
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{
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$this->fault = null;
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$this->incoming_payload = '';
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$this->outgoing_payload = $msg;
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if (!$this->_validateUrl()) {
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return $this->fault;
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}
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// Check for TCP scheme.
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if (strcasecmp($this->urlparts['scheme'], 'TCP') == 0) {
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// Check connection.
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if (!$this->_socket_ping()) {
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return $this->_raiseSoapFault('Error connecting to ' . $this->url . '; reason: ' . socket_strerror(socket_last_error($this->socket)));
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}
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// Write to the socket.
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if (!@socket_write($this->socket, $this->outgoing_payload,
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strlen($this->outgoing_payload))) {
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return $this->_raiseSoapFault('Error sending data to ' . $this->url . '; reason: ' . socket_strerror(socket_last_error($this->socket)));
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}
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// Shutdown writing.
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if(!socket_shutdown($this->socket, 1)) {
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return $this->_raiseSoapFault('Cannot change socket mode to read.');
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}
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// Read everything we can.
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while ($buf = @socket_read($this->socket, 1024, PHP_BINARY_READ)) {
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$this->incoming_payload .= $buf;
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}
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// Return payload or die.
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if ($this->incoming_payload) {
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return $this->incoming_payload;
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}
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return $this->_raiseSoapFault('Error reveiving data from ' . $this->url);
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}
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return $this->_raiseSoapFault('Invalid url scheme ' . $this->url);
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}
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/**
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* Validates the url data passed to the constructor.
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*
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* @return boolean
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* @access private
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*/
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function _validateUrl()
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{
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if (!is_array($this->urlparts) ) {
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$this->_raiseSoapFault("Unable to parse URL $this->url");
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return false;
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}
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if (!isset($this->urlparts['host'])) {
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$this->_raiseSoapFault("No host in URL $this->url");
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return false;
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}
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if (!isset($this->urlparts['path']) || !$this->urlparts['path']) {
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$this->urlparts['path'] = '/';
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}
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return true;
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}
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}
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