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Current File : //proc/thread-self/root/usr/local/lib/php-5.3.13/lib/php/SOAP/Transport/HTTP.php
<?php
/**
 * This file contains the code for a HTTP transport layer.
 *
 * PHP versions 4 and 5
 *
 * LICENSE: This source file is subject to version 2.02 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.
 *
 * @category   Web Services
 * @package    SOAP
 * @author     Shane Caraveo <Shane@Caraveo.com>
 * @author     Jan Schneider <jan@horde.org>
 * @copyright  2003-2006 The PHP Group
 * @license    http://www.php.net/license/2_02.txt  PHP License 2.02
 * @link       http://pear.php.net/package/SOAP
 */

/**
 * HTTP Transport class
 *
 * @package  SOAP
 * @category Web Services
 */

/**
 * Needed Classes
 */
require_once 'SOAP/Transport.php';

/**
 *  HTTP Transport for SOAP
 *
 * @access public
 * @package SOAP
 * @author Shane Caraveo <shane@php.net>
 * @author Jan Schneider <jan@horde.org>
 */
class SOAP_Transport_HTTP extends SOAP_Transport
{
    /**
     * Basic Auth string.
     *
     * @var array
     */
    var $headers = array();

    /**
     * Cookies.
     *
     * @var array
     */
    var $cookies;

    /**
     * Connection timeout in seconds. 0 = none.
     *
     * @var integer
     */
    var $timeout = 4;

    /**
     * HTTP-Response Content-Type.
     */
    var $result_content_type;

    var $result_headers = array();

    var $result_cookies = array();

    /**
     * SOAP_Transport_HTTP Constructor
     *
     * @access public
     *
     * @param string $url       HTTP url to SOAP endpoint.
     * @param string $encoding  Encoding to use.
     */
    function SOAP_Transport_HTTP($url, $encoding = SOAP_DEFAULT_ENCODING)
    {
        parent::SOAP_Base('HTTP');
        $this->urlparts = @parse_url($url);
        $this->url = $url;
        $this->encoding = $encoding;
    }

    /**
     * Sends and receives SOAP data.
     *
     * @access public
     *
     * @param string  Outgoing SOAP data.
     * @param array   Options.
     *
     * @return string|SOAP_Fault
     */
    function send($msg, $options = array())
    {
        $this->fault = null;

        if (!$this->_validateUrl()) {
            return $this->fault;
        }

        if (isset($options['timeout'])) {
            $this->timeout = (int)$options['timeout'];
        }

        if (strcasecmp($this->urlparts['scheme'], 'HTTP') == 0) {
            return $this->_sendHTTP($msg, $options);
        } elseif (strcasecmp($this->urlparts['scheme'], 'HTTPS') == 0) {
            return $this->_sendHTTPS($msg, $options);
        }

        return $this->_raiseSoapFault('Invalid url scheme ' . $this->url);
    }

    /**
     * Sets data for HTTP authentication, creates authorization header.
     *
     * @param string $username   Username.
     * @param string $password   Response data, minus HTTP headers.
     *
     * @access public
     */
    function setCredentials($username, $password)
    {
        $this->headers['Authorization'] = 'Basic ' . base64_encode($username . ':' . $password);
    }

    /**
     * Adds a cookie.
     *
     * @access public
     * @param string $name  Cookie name.
     * @param mixed $value  Cookie value.
     */
    function addCookie($name, $value)
    {
        $this->cookies[$name] = $value;
    }

    /**
     * Generates the correct headers for the cookies.
     *
     * @access private
     *
     * @param array $options  Cookie options. If 'nocookies' is set and true
     *                        the cookies from the last response are added
     *                        automatically. 'cookies' is name-value-hash with
     *                        a list of cookies to add.
     *
     * @return string  The cookie header value.
     */
    function _generateCookieHeader($options)
    {
        $this->cookies = array();

        if (empty($options['nocookies']) &&
            isset($this->result_cookies)) {
            // Add the cookies we got from the last request.
            foreach ($this->result_cookies as $cookie) {
                if ($cookie['domain'] == $this->urlparts['host']) {
                    $this->cookies[$cookie['name']] = $cookie['value'];
                }
            }
        }

        // Add cookies the user wants to set.
        if (isset($options['cookies'])) {
            foreach ($options['cookies'] as $cookie) {
                if ($cookie['domain'] == $this->urlparts['host']) {
                    $this->cookies[$cookie['name']] = $cookie['value'];
                }
            }
        }

        $cookies = '';
        foreach ($this->cookies as $name => $value) {
            if (!empty($cookies)) {
                $cookies .= '; ';
            }
            $cookies .= urlencode($name) . '=' . urlencode($value);
        }

        return $cookies;
    }

    /**
     * Validate url data passed to constructor.
     *
     * @access private
     * @return boolean
     */
    function _validateUrl()
    {
        if (!is_array($this->urlparts) ) {
            $this->_raiseSoapFault('Unable to parse URL ' . $this->url);
            return false;
        }
        if (!isset($this->urlparts['host'])) {
            $this->_raiseSoapFault('No host in URL ' . $this->url);
            return false;
        }
        if (!isset($this->urlparts['port'])) {
            if (strcasecmp($this->urlparts['scheme'], 'HTTP') == 0) {
                $this->urlparts['port'] = 80;
            } elseif (strcasecmp($this->urlparts['scheme'], 'HTTPS') == 0) {
                $this->urlparts['port'] = 443;
            }

        }
        if (isset($this->urlparts['user'])) {
            $this->setCredentials(urldecode($this->urlparts['user']),
                                  urldecode($this->urlparts['pass']));
        }
        if (!isset($this->urlparts['path']) || !$this->urlparts['path']) {
            $this->urlparts['path'] = '/';
        }

        return true;
    }

    /**
     * Finds out what the encoding is.
     * Sets the object property accordingly.
     *
     * @access private
     * @param array $headers  Headers.
     */
    function _parseEncoding($headers)
    {
        $h = stristr($headers, 'Content-Type');
        preg_match_all('/^Content-Type:\s*(.*)$/im', $h, $ct, PREG_SET_ORDER);
        $n = count($ct);
        $ct = $ct[$n - 1];

        // Strip the string of \r.
        $this->result_content_type = str_replace("\r", '', $ct[1]);

        if (preg_match('/(.*?)(?:;\s?charset=)(.*)/i',
                       $this->result_content_type,
                       $m)) {
            $this->result_content_type = $m[1];
            if (count($m) > 2) {
                $enc = strtoupper(str_replace('"', '', $m[2]));
                if (in_array($enc, $this->_encodings)) {
                    $this->result_encoding = $enc;
                }
            }
        }

        // Deal with broken servers that don't set content type on faults.
        if (!$this->result_content_type) {
            $this->result_content_type = 'text/xml';
        }
    }

    /**
     * Parses the headers.
     *
     * @param array $headers  The headers.
     */
    function _parseHeaders($headers)
    {
        /* Largely borrowed from HTTP_Request. */
        $this->result_headers = array();
        $headers = preg_split("/\r?\n/", $headers);
        foreach ($headers as $value) {
            if (strpos($value, ':') === false) {
                $this->result_headers[0] = $value;
                continue;
            }
            list($name, $value) = explode(':', $value);
            $headername = strtolower($name);
            $headervalue = trim($value);
            $this->result_headers[$headername] = $headervalue;

            if ($headername == 'set-cookie') {
                // Parse a SetCookie header to fill _cookies array.
                $cookie = array('expires' => null,
                                'domain'  => $this->urlparts['host'],
                                'path'    => null,
                                'secure'  => false);

                if (!strpos($headervalue, ';')) {
                    // Only a name=value pair.
                    list($cookie['name'], $cookie['value']) = array_map('trim', explode('=', $headervalue));
                    $cookie['name']  = urldecode($cookie['name']);
                    $cookie['value'] = urldecode($cookie['value']);

                } else {
                    // Some optional parameters are supplied.
                    $elements = explode(';', $headervalue);
                    list($cookie['name'], $cookie['value']) = array_map('trim', explode('=', $elements[0]));
                    $cookie['name']  = urldecode($cookie['name']);
                    $cookie['value'] = urldecode($cookie['value']);

                    for ($i = 1; $i < count($elements);$i++) {
                        list($elName, $elValue) = array_map('trim', explode('=', $elements[$i]));
                        if ('secure' == $elName) {
                            $cookie['secure'] = true;
                        } elseif ('expires' == $elName) {
                            $cookie['expires'] = str_replace('"', '', $elValue);
                        } elseif ('path' == $elName OR 'domain' == $elName) {
                            $cookie[$elName] = urldecode($elValue);
                        } else {
                            $cookie[$elName] = $elValue;
                        }
                    }
                }
                $this->result_cookies[] = $cookie;
            }
        }
    }

    /**
     * Removes HTTP headers from response.
     *
     * @return boolean
     * @access private
     */
    function _parseResponse()
    {
        if (!preg_match("/^(.*?)\r?\n\r?\n(.*)/s",
                       $this->incoming_payload,
                       $match)) {
            $this->_raiseSoapFault('Invalid HTTP Response');
            return false;
        }

        $this->response = $match[2];
        // Find the response error, some servers response with 500 for
        // SOAP faults.
        $this->_parseHeaders($match[1]);

        list(, $code, $msg) = sscanf($this->result_headers[0], '%s %s %s');
        unset($this->result_headers[0]);

        switch($code) {
            // Continue
            case 100:
                $this->incoming_payload = $match[2];
                return $this->_parseResponse();
            case 200:
            case 202:
                if (!strlen(trim($match[2]))) {
                    /* Valid one-way message response. */
                    return true;
                }
                break;
            case 400:
                $this->_raiseSoapFault("HTTP Response $code Bad Request");
                return false;
            case 401:
                $this->_raiseSoapFault("HTTP Response $code Authentication Failed");
                return false;
            case 403:
                $this->_raiseSoapFault("HTTP Response $code Forbidden");
                return false;
            case 404:
                $this->_raiseSoapFault("HTTP Response $code Not Found");
                return false;
            case 407:
                $this->_raiseSoapFault("HTTP Response $code Proxy Authentication Required");
                return false;
            case 408:
                $this->_raiseSoapFault("HTTP Response $code Request Timeout");
                return false;
            case 410:
                $this->_raiseSoapFault("HTTP Response $code Gone");
                return false;
            default:
                if ($code >= 400 && $code < 500) {
                    $this->_raiseSoapFault("HTTP Response $code Not Found, Server message: $msg");
                    return false;
                }
                break;
        }

        $this->_parseEncoding($match[1]);

        if ($this->result_content_type == 'application/dime') {
            // XXX quick hack insertion of DIME
            if (PEAR::isError($this->_decodeDIMEMessage($this->response, $this->headers, $this->attachments))) {
                // _decodeDIMEMessage already raised $this->fault
                return false;
            }
            $this->result_content_type = $this->headers['content-type'];
        } elseif (stristr($this->result_content_type, 'multipart/related')) {
            $this->response = $this->incoming_payload;
            if (PEAR::isError($this->_decodeMimeMessage($this->response, $this->headers, $this->attachments))) {
                // _decodeMimeMessage already raised $this->fault
                return false;
            }
        } elseif ($this->result_content_type != 'text/xml') {
            $this->_raiseSoapFault($this->response);
            return false;
        }

        // if no content, return false
        return strlen($this->response) > 0;
    }

    /**
     * Creates an HTTP request, including headers, for the outgoing request.
     *
     * @access private
     *
     * @param string $msg     Outgoing SOAP package.
     * @param array $options  Options.
     *
     * @return string  Outgoing payload.
     */
    function _getRequest($msg, $options)
    {
        $this->headers = array();

        $action = isset($options['soapaction']) ? $options['soapaction'] : '';
        $fullpath = $this->urlparts['path'];
        if (isset($this->urlparts['query'])) {
            $fullpath .= '?' . $this->urlparts['query'];
        }
        if (isset($this->urlparts['fragment'])) {
            $fullpath .= '#' . $this->urlparts['fragment'];
        }

        if (isset($options['proxy_host'])) {
            $fullpath = 'http://' . $this->urlparts['host'] . ':' .
                $this->urlparts['port'] . $fullpath;
        }

        if (isset($options['proxy_user'])) {
            $this->headers['Proxy-Authorization'] = 'Basic ' .
                base64_encode($options['proxy_user'] . ':' .
                              $options['proxy_pass']);
        }

        if (isset($options['user'])) {
            $this->setCredentials($options['user'], $options['pass']);
        }

        $this->headers['User-Agent'] = $this->_userAgent;
        $this->headers['Host'] = $this->urlparts['host'];
        $this->headers['Content-Type'] = "text/xml; charset=$this->encoding";
        $this->headers['Content-Length'] = strlen($msg);
        $this->headers['SOAPAction'] = '"' . $action . '"';
        $this->headers['Connection'] = 'close';

        if (isset($options['headers'])) {
            $this->headers = array_merge($this->headers, $options['headers']);
        }

        $cookies = $this->_generateCookieHeader($options);
        if ($cookies) {
            $this->headers['Cookie'] = $cookies;
        }

        $headers = '';
        foreach ($this->headers as $k => $v) {
            $headers .= "$k: $v\r\n";
        }
        $this->outgoing_payload = "POST $fullpath HTTP/1.0\r\n" . $headers .
            "\r\n" . $msg;

        return $this->outgoing_payload;
    }

    /**
     * Sends the outgoing HTTP request and reads and parses the response.
     *
     * @access private
     *
     * @param string $msg     Outgoing SOAP package.
     * @param array $options  Options.
     *
     * @return string  Response data without HTTP headers.
     */
    function _sendHTTP($msg, $options)
    {
        $this->incoming_payload = '';
        $this->_getRequest($msg, $options);
        $host = $this->urlparts['host'];
        $port = $this->urlparts['port'];
        if (isset($options['proxy_host'])) {
            $host = $options['proxy_host'];
            $port = isset($options['proxy_port']) ? $options['proxy_port'] : 8080;
        }
        // Send.
        if ($this->timeout > 0) {
            $fp = @fsockopen($host, $port, $this->errno, $this->errmsg, $this->timeout);
        } else {
            $fp = @fsockopen($host, $port, $this->errno, $this->errmsg);
        }
        if (!$fp) {
            return $this->_raiseSoapFault("Connect Error to $host:$port");
        }
        if ($this->timeout > 0) {
            // some builds of PHP do not support this, silence the warning
            @socket_set_timeout($fp, $this->timeout);
        }
        if (!fputs($fp, $this->outgoing_payload, strlen($this->outgoing_payload))) {
            return $this->_raiseSoapFault("Error POSTing Data to $host");
        }

        // get reponse
        // XXX time consumer
        do {
            $data = fread($fp, 4096);
            $_tmp_status = socket_get_status($fp);
            if ($_tmp_status['timed_out']) {
                return $this->_raiseSoapFault("Timed out read from $host");
            } else {
                $this->incoming_payload .= $data;
            }
        } while (!$_tmp_status['eof']);

        fclose($fp);

        if (!$this->_parseResponse()) {
            return $this->fault;
        }
        return $this->response;
    }

    /**
     * Sends the outgoing HTTPS request and reads and parses the response.
     *
     * @access private
     *
     * @param string $msg     Outgoing SOAP package.
     * @param array $options  Options.
     *
     * @return string  Response data without HTTP headers.
     */
    function _sendHTTPS($msg, $options)
    {
        /* Check if the required curl extension is installed. */
        if (!extension_loaded('curl')) {
            return $this->_raiseSoapFault('CURL Extension is required for HTTPS');
        }

        $ch = curl_init();

        if (isset($options['proxy_host'])) {
            $port = isset($options['proxy_port']) ? $options['proxy_port'] : 8080;
            curl_setopt($ch, CURLOPT_PROXY,
                        $options['proxy_host'] . ':' . $port);
        }
        if (isset($options['proxy_user'])) {
            curl_setopt($ch, CURLOPT_PROXYUSERPWD,
                        $options['proxy_user'] . ':' . $options['proxy_pass']);
        }

        if (isset($options['user'])) {
            curl_setopt($ch, CURLOPT_USERPWD,
                        $options['user'] . ':' . $options['pass']);
        }

        $headers = array();
        $action = isset($options['soapaction']) ? $options['soapaction'] : '';
        $headers['Content-Type'] = "text/xml; charset=$this->encoding";
        $headers['SOAPAction'] = '"' . $action . '"';
        if (isset($options['headers'])) {
            $headers = array_merge($headers, $options['headers']);
        }
        foreach ($headers as $header => $value) {
            $headers[$header] = $header . ': ' . $value;
        }
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_USERAGENT, $this->_userAgent);

        if ($this->timeout) {
            curl_setopt($ch, CURLOPT_TIMEOUT, $this->timeout);
        }

        curl_setopt($ch, CURLOPT_POSTFIELDS, $msg);
        curl_setopt($ch, CURLOPT_URL, $this->url);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_FAILONERROR, 0);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_HEADER, 1);
        if (defined('CURLOPT_HTTP_VERSION')) {
            curl_setopt($ch, CURLOPT_HTTP_VERSION, 1);
        }
        if (!ini_get('safe_mode') && !ini_get('open_basedir')) {
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
        }
        $cookies = $this->_generateCookieHeader($options);
        if ($cookies) {
            curl_setopt($ch, CURLOPT_COOKIE, $cookies);
        }

        if (isset($options['curl'])) {
            foreach ($options['curl'] as $key => $val) {
                curl_setopt($ch, $key, $val);
            }
        }

        // Save the outgoing XML. This doesn't quite match _sendHTTP as CURL
        // generates the headers, but having the XML is usually the most
        // important part for tracing/debugging.
        $this->outgoing_payload = $msg;

        $this->incoming_payload = curl_exec($ch);
        if (!$this->incoming_payload) {
            $m = 'curl_exec error ' . curl_errno($ch) . ' ' . curl_error($ch);
            curl_close($ch);
            return $this->_raiseSoapFault($m);
        }
        curl_close($ch);

        if (!$this->_parseResponse()) {
            return $this->fault;
        }

        return $this->response;
    }

}
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