1<?php
  2
  3/**
  4 * IXR_Client
  5 *
  6 * @package IXR
  7 * @since 1.5.0
  8 *
  9 */
 10class IXR_Client
 11{
 12    var $server;
 13    var $port;
 14    var $path;
 15    var $useragent;
 16    var $response;
 17    var $message = false;
 18    var $debug = false;
 19    var $timeout;
 20    var $headers = array();
 21
 22    // Storage place for an error message
 23    var $error = false;
 24
 25	/**
 26	 * PHP5 constructor.
 27	 */
 28    function __construct( $server, $path = false, $port = 80, $timeout = 15 )
 29    {
 30        if (!$path) {
 31            // Assume we have been given a URL instead
 32            $bits = parse_url($server);
 33            $this->server = $bits['host'];
 34            $this->port = isset($bits['port']) ? $bits['port'] : 80;
 35            $this->path = isset($bits['path']) ? $bits['path'] : '/';
 36
 37            // Make absolutely sure we have a path
 38            if (!$this->path) {
 39                $this->path = '/';
 40            }
 41
 42            if ( ! empty( $bits['query'] ) ) {
 43                $this->path .= '?' . $bits['query'];
 44            }
 45        } else {
 46            $this->server = $server;
 47            $this->path = $path;
 48            $this->port = $port;
 49        }
 50        $this->useragent = 'The Incutio XML-RPC PHP Library';
 51        $this->timeout = $timeout;
 52    }
 53
 54	/**
 55	 * PHP4 constructor.
 56	 */
 57	public function IXR_Client( $server, $path = false, $port = 80, $timeout = 15 ) {
 58		self::__construct( $server, $path, $port, $timeout );
 59	}
 60
 61	/**
 62	 * @since 1.5.0
 63	 * @since 5.5.0 Formalized the existing `...$args` parameter by adding it
 64	 *              to the function signature.
 65	 *
 66	 * @return bool
 67	 */
 68    function query( ...$args )
 69    {
 70        $method = array_shift($args);
 71        $request = new IXR_Request($method, $args);
 72        $length = $request->getLength();
 73        $xml = $request->getXml();
 74        $r = "\r\n";
 75        $request  = "POST {$this->path} HTTP/1.0$r";
 76
 77        // Merged from WP #8145 - allow custom headers
 78        $this->headers['Host']          = $this->server;
 79        $this->headers['Content-Type']  = 'text/xml';
 80        $this->headers['User-Agent']    = $this->useragent;
 81        $this->headers['Content-Length']= $length;
 82
 83        foreach( $this->headers as $header => $value ) {
 84            $request .= "{$header}: {$value}{$r}";
 85        }
 86        $request .= $r;
 87
 88        $request .= $xml;
 89
 90        // Now send the request
 91        if ($this->debug) {
 92            echo '<pre class="ixr_request">'.htmlspecialchars($request)."\n</pre>\n\n";
 93        }
 94
 95        if ($this->timeout) {
 96            $fp = @fsockopen($this->server, $this->port, $errno, $errstr, $this->timeout);
 97        } else {
 98            $fp = @fsockopen($this->server, $this->port, $errno, $errstr);
 99        }
100        if (!$fp) {
101            $this->error = new IXR_Error(-32300, 'transport error - could not open socket');
102            return false;
103        }
104        fputs($fp, $request);
105        $contents = '';
106        $debugContents = '';
107        $gotFirstLine = false;
108        $gettingHeaders = true;
109        while (!feof($fp)) {
110            $line = fgets($fp, 4096);
111            if (!$gotFirstLine) {
112                // Check line for '200'
113                if (strstr($line, '200') === false) {
114                    $this->error = new IXR_Error(-32300, 'transport error - HTTP status code was not 200');
115                    return false;
116                }
117                $gotFirstLine = true;
118            }
119            if (trim($line) == '') {
120                $gettingHeaders = false;
121            }
122            if (!$gettingHeaders) {
123            	// merged from WP #12559 - remove trim
124                $contents .= $line;
125            }
126            if ($this->debug) {
127            	$debugContents .= $line;
128            }
129        }
130        if ($this->debug) {
131            echo '<pre class="ixr_response">'.htmlspecialchars($debugContents)."\n</pre>\n\n";
132        }
133
134        // Now parse what we've got back
135        $this->message = new IXR_Message($contents);
136        if (!$this->message->parse()) {
137            // XML error
138            $this->error = new IXR_Error(-32700, 'parse error. not well formed');
139            return false;
140        }
141
142        // Is the message a fault?
143        if ($this->message->messageType == 'fault') {
144            $this->error = new IXR_Error($this->message->faultCode, $this->message->faultString);
145            return false;
146        }
147
148        // Message must be OK
149        return true;
150    }
151
152    function getResponse()
153    {
154        // methodResponses can only have one param - return that
155        return $this->message->params[0];
156    }
157
158    function isError()
159    {
160        return (is_object($this->error));
161    }
162
163    function getErrorCode()
164    {
165        return $this->error->code;
166    }
167
168    function getErrorMessage()
169    {
170        return $this->error->message;
171    }
172}
173