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-rw-r--r--library/IXR_Library.php1371
1 files changed, 1371 insertions, 0 deletions
diff --git a/library/IXR_Library.php b/library/IXR_Library.php
new file mode 100644
index 000000000..9e2537701
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+++ b/library/IXR_Library.php
@@ -0,0 +1,1371 @@
+<?php
+/**
+ * IXR - The Incutio XML-RPC Library
+ *
+ * Copyright (c) 2010, Incutio Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * - 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.
+ * - Neither the name of Incutio Ltd. nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * 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.
+ *
+ * @package IXR
+ * @since 1.5
+ *
+ * @copyright Incutio Ltd 2010 (http://www.incutio.com)
+ * @version 1.7.4 7th September 2010
+ * @author Simon Willison
+ * @link http://scripts.incutio.com/xmlrpc/ Site/manual
+ */
+
+
+class IXR_Value
+{
+ var $data;
+ var $type;
+
+ function IXR_Value($data, $type = false)
+ {
+ $this->data = $data;
+ if (!$type) {
+ $type = $this->calculateType();
+ }
+ $this->type = $type;
+ if ($type == 'struct') {
+ // Turn all the values in the array in to new IXR_Value objects
+ foreach ($this->data as $key => $value) {
+ $this->data[$key] = new IXR_Value($value);
+ }
+ }
+ if ($type == 'array') {
+ for ($i = 0, $j = count($this->data); $i < $j; $i++) {
+ $this->data[$i] = new IXR_Value($this->data[$i]);
+ }
+ }
+ }
+
+ function calculateType()
+ {
+ if ($this->data === true || $this->data === false) {
+ return 'boolean';
+ }
+ if (is_integer($this->data)) {
+ return 'int';
+ }
+ if (is_double($this->data)) {
+ return 'double';
+ }
+
+ // Deal with IXR object types base64 and date
+ if (is_object($this->data) && is_a($this->data, 'IXR_Date')) {
+ return 'date';
+ }
+ if (is_object($this->data) && is_a($this->data, 'IXR_Base64')) {
+ return 'base64';
+ }
+
+ // If it is a normal PHP object convert it in to a struct
+ if (is_object($this->data)) {
+ $this->data = get_object_vars($this->data);
+ return 'struct';
+ }
+ if (!is_array($this->data)) {
+ return 'string';
+ }
+
+ // We have an array - is it an array or a struct?
+ if ($this->isStruct($this->data)) {
+ return 'struct';
+ } else {
+ return 'array';
+ }
+ }
+
+ function getXml()
+ {
+ // Return XML for this value
+ switch ($this->type) {
+ case 'boolean':
+ return '<boolean>'.(($this->data) ? '1' : '0').'</boolean>';
+ break;
+ case 'int':
+ return '<int>'.$this->data.'</int>';
+ break;
+ case 'double':
+ return '<double>'.$this->data.'</double>';
+ break;
+ case 'string':
+ return '<string>'.htmlspecialchars($this->data).'</string>';
+ break;
+ case 'array':
+ $return = '<array><data>'."\n";
+ foreach ($this->data as $item) {
+ $return .= ' <value>'.$item->getXml()."</value>\n";
+ }
+ $return .= '</data></array>';
+ return $return;
+ break;
+ case 'struct':
+ $return = '<struct>'."\n";
+ foreach ($this->data as $name => $value) {
+ $return .= " <member><name>$name</name><value>";
+ $return .= $value->getXml()."</value></member>\n";
+ }
+ $return .= '</struct>';
+ return $return;
+ break;
+ case 'date':
+ case 'base64':
+ return $this->data->getXml();
+ break;
+ }
+ return false;
+ }
+
+ /**
+ * Checks whether or not the supplied array is a struct or not
+ *
+ * @param unknown_type $array
+ * @return boolean
+ */
+ function isStruct($array)
+ {
+ $expected = 0;
+ foreach ($array as $key => $value) {
+ if ((string)$key != (string)$expected) {
+ return true;
+ }
+ $expected++;
+ }
+ return false;
+ }
+}
+
+/**
+ * IXR_MESSAGE
+ *
+ * @package IXR
+ * @since 1.5
+ *
+ */
+class IXR_Message
+{
+ var $message;
+ var $messageType; // methodCall / methodResponse / fault
+ var $faultCode;
+ var $faultString;
+ var $methodName;
+ var $params;
+
+ // Current variable stacks
+ var $_arraystructs = array(); // The stack used to keep track of the current array/struct
+ var $_arraystructstypes = array(); // Stack keeping track of if things are structs or array
+ var $_currentStructName = array(); // A stack as well
+ var $_param;
+ var $_value;
+ var $_currentTag;
+ var $_currentTagContents;
+ // The XML parser
+ var $_parser;
+
+ function IXR_Message($message)
+ {
+ $this->message =& $message;
+ }
+
+ function parse()
+ {
+ // first remove the XML declaration
+ // merged from WP #10698 - this method avoids the RAM usage of preg_replace on very large messages
+ $header = preg_replace( '/<\?xml.*?\?'.'>/', '', substr($this->message, 0, 100), 1);
+ $this->message = substr_replace($this->message, $header, 0, 100);
+ if (trim($this->message) == '') {
+ return false;
+ }
+ $this->_parser = xml_parser_create();
+ // Set XML parser to take the case of tags in to account
+ xml_parser_set_option($this->_parser, XML_OPTION_CASE_FOLDING, false);
+ // Set XML parser callback functions
+ xml_set_object($this->_parser, $this);
+ xml_set_element_handler($this->_parser, 'tag_open', 'tag_close');
+ xml_set_character_data_handler($this->_parser, 'cdata');
+ $chunk_size = 262144; // 256Kb, parse in chunks to avoid the RAM usage on very large messages
+ do {
+ if (strlen($this->message) <= $chunk_size) {
+ $final = true;
+ }
+ $part = substr($this->message, 0, $chunk_size);
+ $this->message = substr($this->message, $chunk_size);
+ if (!xml_parse($this->_parser, $part, $final)) {
+ return false;
+ }
+ if ($final) {
+ break;
+ }
+ } while (true);
+ xml_parser_free($this->_parser);
+
+ // Grab the error messages, if any
+ if ($this->messageType == 'fault') {
+ $this->faultCode = $this->params[0]['faultCode'];
+ $this->faultString = $this->params[0]['faultString'];
+ }
+ return true;
+ }
+
+ function tag_open($parser, $tag, $attr)
+ {
+ $this->_currentTagContents = '';
+ $this->currentTag = $tag;
+ switch($tag) {
+ case 'methodCall':
+ case 'methodResponse':
+ case 'fault':
+ $this->messageType = $tag;
+ break;
+ /* Deal with stacks of arrays and structs */
+ case 'data': // data is to all intents and puposes more interesting than array
+ $this->_arraystructstypes[] = 'array';
+ $this->_arraystructs[] = array();
+ break;
+ case 'struct':
+ $this->_arraystructstypes[] = 'struct';
+ $this->_arraystructs[] = array();
+ break;
+ }
+ }
+
+ function cdata($parser, $cdata)
+ {
+ $this->_currentTagContents .= $cdata;
+ }
+
+ function tag_close($parser, $tag)
+ {
+ $valueFlag = false;
+ switch($tag) {
+ case 'int':
+ case 'i4':
+ $value = (int)trim($this->_currentTagContents);
+ $valueFlag = true;
+ break;
+ case 'double':
+ $value = (double)trim($this->_currentTagContents);
+ $valueFlag = true;
+ break;
+ case 'string':
+ $value = (string)trim($this->_currentTagContents);
+ $valueFlag = true;
+ break;
+ case 'dateTime.iso8601':
+ $value = new IXR_Date(trim($this->_currentTagContents));
+ $valueFlag = true;
+ break;
+ case 'value':
+ // "If no type is indicated, the type is string."
+ if (trim($this->_currentTagContents) != '') {
+ $value = (string)$this->_currentTagContents;
+ $valueFlag = true;
+ }
+ break;
+ case 'boolean':
+ $value = (boolean)trim($this->_currentTagContents);
+ $valueFlag = true;
+ break;
+ case 'base64':
+ $value = base64_decode($this->_currentTagContents);
+ $valueFlag = true;
+ break;
+ /* Deal with stacks of arrays and structs */
+ case 'data':
+ case 'struct':
+ $value = array_pop($this->_arraystructs);
+ array_pop($this->_arraystructstypes);
+ $valueFlag = true;
+ break;
+ case 'member':
+ array_pop($this->_currentStructName);
+ break;
+ case 'name':
+ $this->_currentStructName[] = trim($this->_currentTagContents);
+ break;
+ case 'methodName':
+ $this->methodName = trim($this->_currentTagContents);
+ break;
+ }
+
+ if ($valueFlag) {
+ if (count($this->_arraystructs) > 0) {
+ // Add value to struct or array
+ if ($this->_arraystructstypes[count($this->_arraystructstypes)-1] == 'struct') {
+ // Add to struct
+ $this->_arraystructs[count($this->_arraystructs)-1][$this->_currentStructName[count($this->_currentStructName)-1]] = $value;
+ } else {
+ // Add to array
+ $this->_arraystructs[count($this->_arraystructs)-1][] = $value;
+ }
+ } else {
+ // Just add as a paramater
+ $this->params[] = $value;
+ }
+ }
+ $this->_currentTagContents = '';
+ }
+}
+
+/**
+ * IXR_Server
+ *
+ * @package IXR
+ * @since 1.5
+ */
+class IXR_Server
+{
+ var $data;
+ var $callbacks = array();
+ var $message;
+ var $capabilities;
+
+ function IXR_Server($callbacks = false, $data = false, $wait = false)
+ {
+ $this->setCapabilities();
+ if ($callbacks) {
+ $this->callbacks = $callbacks;
+ }
+ $this->setCallbacks();
+ if (!$wait) {
+ $this->serve($data);
+ }
+ }
+
+ function serve($data = false)
+ {
+ if (!$data) {
+ if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] !== 'POST') {
+ header('Content-Type: text/plain'); // merged from WP #9093
+ die('XML-RPC server accepts POST requests only.');
+ }
+
+ global $HTTP_RAW_POST_DATA;
+ if (empty($HTTP_RAW_POST_DATA)) {
+ // workaround for a bug in PHP 5.2.2 - http://bugs.php.net/bug.php?id=41293
+ $data = file_get_contents('php://input');
+ } else {
+ $data =& $HTTP_RAW_POST_DATA;
+ }
+ }
+ $this->message = new IXR_Message($data);
+ if (!$this->message->parse()) {
+ $this->error(-32700, 'parse error. not well formed');
+ }
+ if ($this->message->messageType != 'methodCall') {
+ $this->error(-32600, 'server error. invalid xml-rpc. not conforming to spec. Request must be a methodCall');
+ }
+ $result = $this->call($this->message->methodName, $this->message->params);
+
+ // Is the result an error?
+ if (is_a($result, 'IXR_Error')) {
+ $this->error($result);
+ }
+
+ // Encode the result
+ $r = new IXR_Value($result);
+ $resultxml = $r->getXml();
+
+ // Create the XML
+ $xml = <<<EOD
+<methodResponse>
+ <params>
+ <param>
+ <value>
+ $resultxml
+ </value>
+ </param>
+ </params>
+</methodResponse>
+
+EOD;
+ // Send it
+ $this->output($xml);
+ }
+
+ function call($methodname, $args)
+ {
+ if (!$this->hasMethod($methodname)) {
+ return new IXR_Error(-32601, 'server error. requested method '.$methodname.' does not exist.');
+ }
+ $method = $this->callbacks[$methodname];
+
+ // Perform the callback and send the response
+ if (count($args) == 1) {
+ // If only one paramater just send that instead of the whole array
+ $args = $args[0];
+ }
+
+ // Are we dealing with a function or a method?
+ if (is_string($method) && substr($method, 0, 5) == 'this:') {
+ // It's a class method - check it exists
+ $method = substr($method, 5);
+ if (!method_exists($this, $method)) {
+ return new IXR_Error(-32601, 'server error. requested class method "'.$method.'" does not exist.');
+ }
+
+ //Call the method
+ $result = $this->$method($args);
+ } else {
+ // It's a function - does it exist?
+ if (is_array($method)) {
+ if (!method_exists($method[0], $method[1])) {
+ return new IXR_Error(-32601, 'server error. requested object method "'.$method[1].'" does not exist.');
+ }
+ } else if (!function_exists($method)) {
+ return new IXR_Error(-32601, 'server error. requested function "'.$method.'" does not exist.');
+ }
+
+ // Call the function
+ $result = call_user_func($method, $args);
+ }
+ return $result;
+ }
+
+ function error($error, $message = false)
+ {
+ // Accepts either an error object or an error code and message
+ if ($message && !is_object($error)) {
+ $error = new IXR_Error($error, $message);
+ }
+ $this->output($error->getXml());
+ }
+
+ function output($xml)
+ {
+ $xml = '<?xml version="1.0"?>'."\n".$xml;
+ $length = strlen($xml);
+ header('Connection: close');
+ header('Content-Length: '.$length);
+ header('Content-Type: text/xml');
+ header('Date: '.date('r'));
+ echo $xml;
+ exit;
+ }
+
+ function hasMethod($method)
+ {
+ return in_array($method, array_keys($this->callbacks));
+ }
+
+ function setCapabilities()
+ {
+ // Initialises capabilities array
+ $this->capabilities = array(
+ 'xmlrpc' => array(
+ 'specUrl' => 'http://www.xmlrpc.com/spec',
+ 'specVersion' => 1
+ ),
+ 'faults_interop' => array(
+ 'specUrl' => 'http://xmlrpc-epi.sourceforge.net/specs/rfc.fault_codes.php',
+ 'specVersion' => 20010516
+ ),
+ 'system.multicall' => array(
+ 'specUrl' => 'http://www.xmlrpc.com/discuss/msgReader$1208',
+ 'specVersion' => 1
+ ),
+ );
+ }
+
+ function getCapabilities($args)
+ {
+ return $this->capabilities;
+ }
+
+ function setCallbacks()
+ {
+ $this->callbacks['system.getCapabilities'] = 'this:getCapabilities';
+ $this->callbacks['system.listMethods'] = 'this:listMethods';
+ $this->callbacks['system.multicall'] = 'this:multiCall';
+ }
+
+ function listMethods($args)
+ {
+ // Returns a list of methods - uses array_reverse to ensure user defined
+ // methods are listed before server defined methods
+ return array_reverse(array_keys($this->callbacks));
+ }
+
+ function multiCall($methodcalls)
+ {
+ // See http://www.xmlrpc.com/discuss/msgReader$1208
+ $return = array();
+ foreach ($methodcalls as $call) {
+ $method = $call['methodName'];
+ $params = $call['params'];
+ if ($method == 'system.multicall') {
+ $result = new IXR_Error(-32600, 'Recursive calls to system.multicall are forbidden');
+ } else {
+ $result = $this->call($method, $params);
+ }
+ if (is_a($result, 'IXR_Error')) {
+ $return[] = array(
+ 'faultCode' => $result->code,
+ 'faultString' => $result->message
+ );
+ } else {
+ $return[] = array($result);
+ }
+ }
+ return $return;
+ }
+}
+
+/**
+ * IXR_Request
+ *
+ * @package IXR
+ * @since 1.5
+ */
+class IXR_Request
+{
+ var $method;
+ var $args;
+ var $xml;
+
+ function IXR_Request($method, $args)
+ {
+ $this->method = $method;
+ $this->args = $args;
+ $this->xml = <<<EOD
+<?xml version="1.0"?>
+<methodCall>
+<methodName>{$this->method}</methodName>
+<params>
+
+EOD;
+ foreach ($this->args as $arg) {
+ $this->xml .= '<param><value>';
+ $v = new IXR_Value($arg);
+ $this->xml .= $v->getXml();
+ $this->xml .= "</value></param>\n";
+ }
+ $this->xml .= '</params></methodCall>';
+ }
+
+ function getLength()
+ {
+ return strlen($this->xml);
+ }
+
+ function getXml()
+ {
+ return $this->xml;
+ }
+}
+
+/**
+ * IXR_Client
+ *
+ * @package IXR
+ * @since 1.5
+ *
+ */
+class IXR_Client
+{
+ var $server;
+ var $port;
+ var $path;
+ var $useragent;
+ var $response;
+ var $message = false;
+ var $debug = false;
+ var $timeout;
+
+ // Storage place for an error message
+ var $error = false;
+
+ function IXR_Client($server, $path = false, $port = 80, $timeout = 15)
+ {
+ if (!$path) {
+ // Assume we have been given a URL instead
+ $bits = parse_url($server);
+ $this->server = $bits['host'];
+ $this->port = isset($bits['port']) ? $bits['port'] : 80;
+ $this->path = isset($bits['path']) ? $bits['path'] : '/';
+
+ // Make absolutely sure we have a path
+ if (!$this->path) {
+ $this->path = '/';
+ }
+ } else {
+ $this->server = $server;
+ $this->path = $path;
+ $this->port = $port;
+ }
+ $this->useragent = 'The Incutio XML-RPC PHP Library';
+ $this->timeout = $timeout;
+ }
+
+ function query()
+ {
+ $args = func_get_args();
+ $method = array_shift($args);
+ $request = new IXR_Request($method, $args);
+ $length = $request->getLength();
+ $xml = $request->getXml();
+ $r = "\r\n";
+ $request = "POST {$this->path} HTTP/1.0$r";
+
+ // Merged from WP #8145 - allow custom headers
+ $this->headers['Host'] = $this->server;
+ $this->headers['Content-Type'] = 'text/xml';
+ $this->headers['User-Agent'] = $this->useragent;
+ $this->headers['Content-Length']= $length;
+
+ foreach( $this->headers as $header => $value ) {
+ $request .= "{$header}: {$value}{$r}";
+ }
+ $request .= $r;
+
+ $request .= $xml;
+
+ // Now send the request
+ if ($this->debug) {
+ echo '<pre class="ixr_request">'.htmlspecialchars($request)."\n</pre>\n\n";
+ }
+
+ if ($this->timeout) {
+ $fp = @fsockopen($this->server, $this->port, $errno, $errstr, $this->timeout);
+ } else {
+ $fp = @fsockopen($this->server, $this->port, $errno, $errstr);
+ }
+ if (!$fp) {
+ $this->error = new IXR_Error(-32300, 'transport error - could not open socket');
+ return false;
+ }
+ fputs($fp, $request);
+ $contents = '';
+ $debugContents = '';
+ $gotFirstLine = false;
+ $gettingHeaders = true;
+ while (!feof($fp)) {
+ $line = fgets($fp, 4096);
+ if (!$gotFirstLine) {
+ // Check line for '200'
+ if (strstr($line, '200') === false) {
+ $this->error = new IXR_Error(-32300, 'transport error - HTTP status code was not 200');
+ return false;
+ }
+ $gotFirstLine = true;
+ }
+ if (trim($line) == '') {
+ $gettingHeaders = false;
+ }
+ if (!$gettingHeaders) {
+ // merged from WP #12559 - remove trim
+ $contents .= $line;
+ }
+ if ($this->debug) {
+ $debugContents .= $line;
+ }
+ }
+ if ($this->debug) {
+ echo '<pre class="ixr_response">'.htmlspecialchars($debugContents)."\n</pre>\n\n";
+ }
+
+ // Now parse what we've got back
+ $this->message = new IXR_Message($contents);
+ if (!$this->message->parse()) {
+ // XML error
+ $this->error = new IXR_Error(-32700, 'parse error. not well formed');
+ return false;
+ }
+
+ // Is the message a fault?
+ if ($this->message->messageType == 'fault') {
+ $this->error = new IXR_Error($this->message->faultCode, $this->message->faultString);
+ return false;
+ }
+
+ // Message must be OK
+ return true;
+ }
+
+ function getResponse()
+ {
+ // methodResponses can only have one param - return that
+ return $this->message->params[0];
+ }
+
+ function isError()
+ {
+ return (is_object($this->error));
+ }
+
+ function getErrorCode()
+ {
+ return $this->error->code;
+ }
+
+ function getErrorMessage()
+ {
+ return $this->error->message;
+ }
+}
+
+
+/**
+ * IXR_Error
+ *
+ * @package IXR
+ * @since 1.5
+ */
+class IXR_Error
+{
+ var $code;
+ var $message;
+
+ function IXR_Error($code, $message)
+ {
+ $this->code = $code;
+ $this->message = htmlspecialchars($message);
+ }
+
+ function getXml()
+ {
+ $xml = <<<EOD
+<methodResponse>
+ <fault>
+ <value>
+ <struct>
+ <member>
+ <name>faultCode</name>
+ <value><int>{$this->code}</int></value>
+ </member>
+ <member>
+ <name>faultString</name>
+ <value><string>{$this->message}</string></value>
+ </member>
+ </struct>
+ </value>
+ </fault>
+</methodResponse>
+
+EOD;
+ return $xml;
+ }
+}
+
+/**
+ * IXR_Date
+ *
+ * @package IXR
+ * @since 1.5
+ */
+class IXR_Date {
+ var $year;
+ var $month;
+ var $day;
+ var $hour;
+ var $minute;
+ var $second;
+ var $timezone;
+
+ function IXR_Date($time)
+ {
+ // $time can be a PHP timestamp or an ISO one
+ if (is_numeric($time)) {
+ $this->parseTimestamp($time);
+ } else {
+ $this->parseIso($time);
+ }
+ }
+
+ function parseTimestamp($timestamp)
+ {
+ $this->year = date('Y', $timestamp);
+ $this->month = date('m', $timestamp);
+ $this->day = date('d', $timestamp);
+ $this->hour = date('H', $timestamp);
+ $this->minute = date('i', $timestamp);
+ $this->second = date('s', $timestamp);
+ $this->timezone = '';
+ }
+
+ function parseIso($iso)
+ {
+ $this->year = substr($iso, 0, 4);
+ $this->month = substr($iso, 4, 2);
+ $this->day = substr($iso, 6, 2);
+ $this->hour = substr($iso, 9, 2);
+ $this->minute = substr($iso, 12, 2);
+ $this->second = substr($iso, 15, 2);
+ $this->timezone = substr($iso, 17);
+ }
+
+ function getIso()
+ {
+ return $this->year.$this->month.$this->day.'T'.$this->hour.':'.$this->minute.':'.$this->second.$this->timezone;
+ }
+
+ function getXml()
+ {
+ return '<dateTime.iso8601>'.$this->getIso().'</dateTime.iso8601>';
+ }
+
+ function getTimestamp()
+ {
+ return mktime($this->hour, $this->minute, $this->second, $this->month, $this->day, $this->year);
+ }
+}
+
+/**
+ * IXR_Base64
+ *
+ * @package IXR
+ * @since 1.5
+ */
+class IXR_Base64
+{
+ var $data;
+
+ function IXR_Base64($data)
+ {
+ $this->data = $data;
+ }
+
+ function getXml()
+ {
+ return '<base64>'.base64_encode($this->data).'</base64>';
+ }
+}
+
+/**
+ * IXR_IntrospectionServer
+ *
+ * @package IXR
+ * @since 1.5
+ */
+class IXR_IntrospectionServer extends IXR_Server
+{
+ var $signatures;
+ var $help;
+
+ function IXR_IntrospectionServer()
+ {
+ $this->setCallbacks();
+ $this->setCapabilities();
+ $this->capabilities['introspection'] = array(
+ 'specUrl' => 'http://xmlrpc.usefulinc.com/doc/reserved.html',
+ 'specVersion' => 1
+ );
+ $this->addCallback(
+ 'system.methodSignature',
+ 'this:methodSignature',
+ array('array', 'string'),
+ 'Returns an array describing the return type and required parameters of a method'
+ );
+ $this->addCallback(
+ 'system.getCapabilities',
+ 'this:getCapabilities',
+ array('struct'),
+ 'Returns a struct describing the XML-RPC specifications supported by this server'
+ );
+ $this->addCallback(
+ 'system.listMethods',
+ 'this:listMethods',
+ array('array'),
+ 'Returns an array of available methods on this server'
+ );
+ $this->addCallback(
+ 'system.methodHelp',
+ 'this:methodHelp',
+ array('string', 'string'),
+ 'Returns a documentation string for the specified method'
+ );
+ }
+
+ function addCallback($method, $callback, $args, $help)
+ {
+ $this->callbacks[$method] = $callback;
+ $this->signatures[$method] = $args;
+ $this->help[$method] = $help;
+ }
+
+ function call($methodname, $args)
+ {
+ // Make sure it's in an array
+ if ($args && !is_array($args)) {
+ $args = array($args);
+ }
+
+ // Over-rides default call method, adds signature check
+ if (!$this->hasMethod($methodname)) {
+ return new IXR_Error(-32601, 'server error. requested method "'.$this->message->methodName.'" not specified.');
+ }
+ $method = $this->callbacks[$methodname];
+ $signature = $this->signatures[$methodname];
+ $returnType = array_shift($signature);
+
+ // Check the number of arguments
+ if (count($args) != count($signature)) {
+ return new IXR_Error(-32602, 'server error. wrong number of method parameters');
+ }
+
+ // Check the argument types
+ $ok = true;
+ $argsbackup = $args;
+ for ($i = 0, $j = count($args); $i < $j; $i++) {
+ $arg = array_shift($args);
+ $type = array_shift($signature);
+ switch ($type) {
+ case 'int':
+ case 'i4':
+ if (is_array($arg) || !is_int($arg)) {
+ $ok = false;
+ }
+ break;
+ case 'base64':
+ case 'string':
+ if (!is_string($arg)) {
+ $ok = false;
+ }
+ break;
+ case 'boolean':
+ if ($arg !== false && $arg !== true) {
+ $ok = false;
+ }
+ break;
+ case 'float':
+ case 'double':
+ if (!is_float($arg)) {
+ $ok = false;
+ }
+ break;
+ case 'date':
+ case 'dateTime.iso8601':
+ if (!is_a($arg, 'IXR_Date')) {
+ $ok = false;
+ }
+ break;
+ }
+ if (!$ok) {
+ return new IXR_Error(-32602, 'server error. invalid method parameters');
+ }
+ }
+ // It passed the test - run the "real" method call
+ return parent::call($methodname, $argsbackup);
+ }
+
+ function methodSignature($method)
+ {
+ if (!$this->hasMethod($method)) {
+ return new IXR_Error(-32601, 'server error. requested method "'.$method.'" not specified.');
+ }
+ // We should be returning an array of types
+ $types = $this->signatures[$method];
+ $return = array();
+ foreach ($types as $type) {
+ switch ($type) {
+ case 'string':
+ $return[] = 'string';
+ break;
+ case 'int':
+ case 'i4':
+ $return[] = 42;
+ break;
+ case 'double':
+ $return[] = 3.1415;
+ break;
+ case 'dateTime.iso8601':
+ $return[] = new IXR_Date(time());
+ break;
+ case 'boolean':
+ $return[] = true;
+ break;
+ case 'base64':
+ $return[] = new IXR_Base64('base64');
+ break;
+ case 'array':
+ $return[] = array('array');
+ break;
+ case 'struct':
+ $return[] = array('struct' => 'struct');
+ break;
+ }
+ }
+ return $return;
+ }
+
+ function methodHelp($method)
+ {
+ return $this->help[$method];
+ }
+}
+
+/**
+ * IXR_ClientMulticall
+ *
+ * @package IXR
+ * @since 1.5
+ */
+class IXR_ClientMulticall extends IXR_Client
+{
+ var $calls = array();
+
+ function IXR_ClientMulticall($server, $path = false, $port = 80)
+ {
+ parent::IXR_Client($server, $path, $port);
+ $this->useragent = 'The Incutio XML-RPC PHP Library (multicall client)';
+ }
+
+ function addCall()
+ {
+ $args = func_get_args();
+ $methodName = array_shift($args);
+ $struct = array(
+ 'methodName' => $methodName,
+ 'params' => $args
+ );
+ $this->calls[] = $struct;
+ }
+
+ function query()
+ {
+ // Prepare multicall, then call the parent::query() method
+ return parent::query('system.multicall', $this->calls);
+ }
+}
+
+/**
+ * Client for communicating with a XML-RPC Server over HTTPS.
+ *
+ * @author Jason Stirk <jstirk@gmm.com.au> (@link http://blog.griffin.homelinux.org/projects/xmlrpc/)
+ * @version 0.2.0 26May2005 08:34 +0800
+ * @copyright (c) 2004-2005 Jason Stirk
+ * @package IXR
+ */
+class IXR_ClientSSL extends IXR_Client
+{
+ /**
+ * Filename of the SSL Client Certificate
+ * @access private
+ * @since 0.1.0
+ * @var string
+ */
+ var $_certFile;
+
+ /**
+ * Filename of the SSL CA Certificate
+ * @access private
+ * @since 0.1.0
+ * @var string
+ */
+ var $_caFile;
+
+ /**
+ * Filename of the SSL Client Private Key
+ * @access private
+ * @since 0.1.0
+ * @var string
+ */
+ var $_keyFile;
+
+ /**
+ * Passphrase to unlock the private key
+ * @access private
+ * @since 0.1.0
+ * @var string
+ */
+ var $_passphrase;
+
+ /**
+ * Constructor
+ * @param string $server URL of the Server to connect to
+ * @since 0.1.0
+ */
+ function IXR_ClientSSL($server, $path = false, $port = 443, $timeout = false)
+ {
+ parent::IXR_Client($server, $path, $port, $timeout);
+ $this->useragent = 'The Incutio XML-RPC PHP Library for SSL';
+
+ // Set class fields
+ $this->_certFile=false;
+ $this->_caFile=false;
+ $this->_keyFile=false;
+ $this->_passphrase='';
+ }
+
+ /**
+ * Set the client side certificates to communicate with the server.
+ *
+ * @since 0.1.0
+ * @param string $certificateFile Filename of the client side certificate to use
+ * @param string $keyFile Filename of the client side certificate's private key
+ * @param string $keyPhrase Passphrase to unlock the private key
+ */
+ function setCertificate($certificateFile, $keyFile, $keyPhrase='')
+ {
+ // Check the files all exist
+ if (is_file($certificateFile)) {
+ $this->_certFile = $certificateFile;
+ } else {
+ die('Could not open certificate: ' . $certificateFile);
+ }
+
+ if (is_file($keyFile)) {
+ $this->_keyFile = $keyFile;
+ } else {
+ die('Could not open private key: ' . $keyFile);
+ }
+
+ $this->_passphrase=(string)$keyPhrase;
+ }
+
+ function setCACertificate($caFile)
+ {
+ if (is_file($caFile)) {
+ $this->_caFile = $caFile;
+ } else {
+ die('Could not open CA certificate: ' . $caFile);
+ }
+ }
+
+ /**
+ * Sets the connection timeout (in seconds)
+ * @param int $newTimeOut Timeout in seconds
+ * @returns void
+ * @since 0.1.2
+ */
+ function setTimeOut($newTimeOut)
+ {
+ $this->timeout = (int)$newTimeOut;
+ }
+
+ /**
+ * Returns the connection timeout (in seconds)
+ * @returns int
+ * @since 0.1.2
+ */
+ function getTimeOut()
+ {
+ return $this->timeout;
+ }
+
+ /**
+ * Set the query to send to the XML-RPC Server
+ * @since 0.1.0
+ */
+ function query()
+ {
+ $args = func_get_args();
+ $method = array_shift($args);
+ $request = new IXR_Request($method, $args);
+ $length = $request->getLength();
+ $xml = $request->getXml();
+
+ if ($this->debug) {
+ echo '<pre>'.htmlspecialchars($xml)."\n</pre>\n\n";
+ }
+
+ //This is where we deviate from the normal query()
+ //Rather than open a normal sock, we will actually use the cURL
+ //extensions to make the calls, and handle the SSL stuff.
+
+ //Since 04Aug2004 (0.1.3) - Need to include the port (duh...)
+ //Since 06Oct2004 (0.1.4) - Need to include the colon!!!
+ // (I swear I've fixed this before... ESP in live... But anyhu...)
+ $curl=curl_init('https://' . $this->server . ':' . $this->port . $this->path);
+ curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
+
+ //Since 23Jun2004 (0.1.2) - Made timeout a class field
+ curl_setopt($curl, CURLOPT_TIMEOUT, $this->timeout);
+
+ if ($this->debug) {
+ curl_setopt($curl, CURLOPT_VERBOSE, 1);
+ }
+
+ curl_setopt($curl, CURLOPT_HEADER, 1);
+ curl_setopt($curl, CURLOPT_POST, 1);
+ curl_setopt($curl, CURLOPT_POSTFIELDS, $xml);
+ curl_setopt($curl, CURLOPT_PORT, $this->port);
+ curl_setopt($curl, CURLOPT_HTTPHEADER, array(
+ "Content-Type: text/xml",
+ "Content-length: {$length}"));
+
+ // Process the SSL certificates, etc. to use
+ if (!($this->_certFile === false)) {
+ // We have a certificate file set, so add these to the cURL handler
+ curl_setopt($curl, CURLOPT_SSLCERT, $this->_certFile);
+ curl_setopt($curl, CURLOPT_SSLKEY, $this->_keyFile);
+
+ if ($this->debug) {
+ echo "SSL Cert at : " . $this->_certFile . "\n";
+ echo "SSL Key at : " . $this->_keyFile . "\n";
+ }
+
+ // See if we need to give a passphrase
+ if (!($this->_passphrase === '')) {
+ curl_setopt($curl, CURLOPT_SSLCERTPASSWD, $this->_passphrase);
+ }
+
+ if ($this->_caFile === false) {
+ // Don't verify their certificate, as we don't have a CA to verify against
+ curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);
+ } else {
+ // Verify against a CA
+ curl_setopt($curl, CURLOPT_CAINFO, $this->_caFile);
+ }
+ }
+
+ // Call cURL to do it's stuff and return us the content
+ $contents = curl_exec($curl);
+ curl_close($curl);
+
+ // Check for 200 Code in $contents
+ if (!strstr($contents, '200 OK')) {
+ //There was no "200 OK" returned - we failed
+ $this->error = new IXR_Error(-32300, 'transport error - HTTP status code was not 200');
+ return false;
+ }
+
+ if ($this->debug) {
+ echo '<pre>'.htmlspecialchars($contents)."\n</pre>\n\n";
+ }
+ // Now parse what we've got back
+ // Since 20Jun2004 (0.1.1) - We need to remove the headers first
+ // Why I have only just found this, I will never know...
+ // So, remove everything before the first <
+ $contents = substr($contents,strpos($contents, '<'));
+
+ $this->message = new IXR_Message($contents);
+ if (!$this->message->parse()) {
+ // XML error
+ $this->error = new IXR_Error(-32700, 'parse error. not well formed');
+ return false;
+ }
+ // Is the message a fault?
+ if ($this->message->messageType == 'fault') {
+ $this->error = new IXR_Error($this->message->faultCode, $this->message->faultString);
+ return false;
+ }
+
+ // Message must be OK
+ return true;
+ }
+}
+
+/**
+ * Extension of the {@link IXR_Server} class to easily wrap objects.
+ *
+ * Class is designed to extend the existing XML-RPC server to allow the
+ * presentation of methods from a variety of different objects via an
+ * XML-RPC server.
+ * It is intended to assist in organization of your XML-RPC methods by allowing
+ * you to "write once" in your existing model classes and present them.
+ *
+ * @author Jason Stirk <jstirk@gmm.com.au>
+ * @version 1.0.1 19Apr2005 17:40 +0800
+ * @copyright Copyright (c) 2005 Jason Stirk
+ * @package IXR
+ */
+class IXR_ClassServer extends IXR_Server
+{
+ var $_objects;
+ var $_delim;
+
+ function IXR_ClassServer($delim = '.', $wait = false)
+ {
+ $this->IXR_Server(array(), false, $wait);
+ $this->_delimiter = $delim;
+ $this->_objects = array();
+ }
+
+ function addMethod($rpcName, $functionName)
+ {
+ $this->callbacks[$rpcName] = $functionName;
+ }
+
+ function registerObject($object, $methods, $prefix=null)
+ {
+ if (is_null($prefix))
+ {
+ $prefix = get_class($object);
+ }
+ $this->_objects[$prefix] = $object;
+
+ // Add to our callbacks array
+ foreach($methods as $method)
+ {
+ if (is_array($method))
+ {
+ $targetMethod = $method[0];
+ $method = $method[1];
+ }
+ else
+ {
+ $targetMethod = $method;
+ }
+ $this->callbacks[$prefix . $this->_delimiter . $method]=array($prefix, $targetMethod);
+ }
+ }
+
+ function call($methodname, $args)
+ {
+ if (!$this->hasMethod($methodname)) {
+ return new IXR_Error(-32601, 'server error. requested method '.$methodname.' does not exist.');
+ }
+ $method = $this->callbacks[$methodname];
+
+ // Perform the callback and send the response
+ if (count($args) == 1) {
+ // If only one paramater just send that instead of the whole array
+ $args = $args[0];
+ }
+
+ // See if this method comes from one of our objects or maybe self
+ if (is_array($method) || (substr($method, 0, 5) == 'this:')) {
+ if (is_array($method)) {
+ $object=$this->_objects[$method[0]];
+ $method=$method[1];
+ } else {
+ $object=$this;
+ $method = substr($method, 5);
+ }
+
+ // It's a class method - check it exists
+ if (!method_exists($object, $method)) {
+ return new IXR_Error(-32601, 'server error. requested class method "'.$method.'" does not exist.');
+ }
+
+ // Call the method
+ $result = $object->$method($args);
+ } else {
+ // It's a function - does it exist?
+ if (!function_exists($method)) {
+ return new IXR_Error(-32601, 'server error. requested function "'.$method.'" does not exist.');
+ }
+
+ // Call the function
+ $result = $method($args);
+ }
+ return $result;
+ }
+}