817 lines
27 KiB
PHP
817 lines
27 KiB
PHP
<?php
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/**
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* IXR - The Inutio XML-RPC Library - (c) Incutio Ltd 2002
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*
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* @version 1.61
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* @author Simon Willison
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* @date 11th July 2003
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* @link http://scripts.incutio.com/xmlrpc/
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* @link http://scripts.incutio.com/xmlrpc/manual.php
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* @license Artistic License http://www.opensource.org/licenses/artistic-license.php
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*
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* Modified for DokuWiki
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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class IXR_Value {
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var $data;
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var $type;
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function IXR_Value ($data, $type = false) {
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$this->data = $data;
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if (!$type) {
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$type = $this->calculateType();
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}
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$this->type = $type;
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if ($type == 'struct') {
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/* Turn all the values in the array in to new IXR_Value objects */
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foreach ($this->data as $key => $value) {
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$this->data[$key] = new IXR_Value($value);
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}
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}
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if ($type == 'array') {
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for ($i = 0, $j = count($this->data); $i < $j; $i++) {
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$this->data[$i] = new IXR_Value($this->data[$i]);
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}
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}
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}
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function calculateType() {
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if ($this->data === true || $this->data === false) {
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return 'boolean';
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}
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if (is_integer($this->data)) {
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return 'int';
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}
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if (is_double($this->data)) {
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return 'double';
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}
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// Deal with IXR object types base64 and date
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if (is_object($this->data) && is_a($this->data, 'IXR_Date')) {
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return 'date';
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}
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if (is_object($this->data) && is_a($this->data, 'IXR_Base64')) {
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return 'base64';
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}
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// If it is a normal PHP object convert it in to a struct
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if (is_object($this->data)) {
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$this->data = get_object_vars($this->data);
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return 'struct';
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}
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if (!is_array($this->data)) {
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return 'string';
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}
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/* We have an array - is it an array or a struct ? */
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if ($this->isStruct($this->data)) {
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return 'struct';
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} else {
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return 'array';
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}
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}
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function getXml() {
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/* Return XML for this value */
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switch ($this->type) {
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case 'boolean':
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return '<boolean>'.(($this->data) ? '1' : '0').'</boolean>';
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break;
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case 'int':
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return '<int>'.$this->data.'</int>';
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break;
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case 'double':
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return '<double>'.$this->data.'</double>';
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break;
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case 'string':
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return '<string>'.htmlspecialchars($this->data).'</string>';
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break;
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case 'array':
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$return = '<array><data>'."\n";
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foreach ($this->data as $item) {
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$return .= ' <value>'.$item->getXml()."</value>\n";
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}
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$return .= '</data></array>';
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return $return;
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break;
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case 'struct':
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$return = '<struct>'."\n";
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foreach ($this->data as $name => $value) {
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$return .= " <member><name>$name</name><value>";
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$return .= $value->getXml()."</value></member>\n";
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}
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$return .= '</struct>';
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return $return;
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break;
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case 'date':
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case 'base64':
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return $this->data->getXml();
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break;
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}
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return false;
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}
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function isStruct($array) {
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/* Nasty function to check if an array is a struct or not */
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$expected = 0;
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foreach ($array as $key => $value) {
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if ((string)$key != (string)$expected) {
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return true;
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}
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$expected++;
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}
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return false;
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}
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}
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class IXR_Message {
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var $message;
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var $messageType; // methodCall / methodResponse / fault
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var $faultCode;
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var $faultString;
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var $methodName;
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var $params;
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// Current variable stacks
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var $_arraystructs = array(); // The stack used to keep track of the current array/struct
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var $_arraystructstypes = array(); // Stack keeping track of if things are structs or array
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var $_currentStructName = array(); // A stack as well
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var $_param;
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var $_value;
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var $_currentTag;
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var $_currentTagContents;
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var $_lastseen;
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// The XML parser
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var $_parser;
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function IXR_Message ($message) {
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$this->message = $message;
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}
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function parse() {
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// first remove the XML declaration
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$this->message = preg_replace('/<\?xml(.*)?\?'.'>/', '', $this->message);
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// workaround for a bug in PHP/libxml2, see http://bugs.php.net/bug.php?id=45996
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$this->message = str_replace('<', '<', $this->message);
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$this->message = str_replace('>', '>', $this->message);
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$this->message = str_replace('&', '&', $this->message);
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$this->message = str_replace(''', ''', $this->message);
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$this->message = str_replace('"', '"', $this->message);
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$this->message = str_replace("\x0b", ' ', $this->message); //vertical tab
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if (trim($this->message) == '') {
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return false;
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}
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$this->_parser = xml_parser_create();
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// Set XML parser to take the case of tags in to account
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xml_parser_set_option($this->_parser, XML_OPTION_CASE_FOLDING, false);
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// Set XML parser callback functions
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xml_set_object($this->_parser, $this);
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xml_set_element_handler($this->_parser, 'tag_open', 'tag_close');
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xml_set_character_data_handler($this->_parser, 'cdata');
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if (!xml_parse($this->_parser, $this->message)) {
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/* die(sprintf('XML error: %s at line %d',
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xml_error_string(xml_get_error_code($this->_parser)),
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xml_get_current_line_number($this->_parser))); */
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return false;
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}
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xml_parser_free($this->_parser);
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// Grab the error messages, if any
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if ($this->messageType == 'fault') {
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$this->faultCode = $this->params[0]['faultCode'];
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$this->faultString = $this->params[0]['faultString'];
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}
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return true;
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}
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function tag_open($parser, $tag, $attr) {
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$this->currentTag = $tag;
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$this->_currentTagContents = '';
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switch($tag) {
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case 'methodCall':
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case 'methodResponse':
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case 'fault':
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$this->messageType = $tag;
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break;
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/* Deal with stacks of arrays and structs */
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case 'data': // data is to all intents and puposes more interesting than array
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$this->_arraystructstypes[] = 'array';
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$this->_arraystructs[] = array();
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break;
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case 'struct':
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$this->_arraystructstypes[] = 'struct';
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$this->_arraystructs[] = array();
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break;
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}
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$this->_lastseen = $tag;
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}
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function cdata($parser, $cdata) {
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$this->_currentTagContents .= $cdata;
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}
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function tag_close($parser, $tag) {
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$valueFlag = false;
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switch($tag) {
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case 'int':
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case 'i4':
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$value = (int)trim($this->_currentTagContents);
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$this->_currentTagContents = '';
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$valueFlag = true;
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break;
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case 'double':
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$value = (double)trim($this->_currentTagContents);
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$this->_currentTagContents = '';
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$valueFlag = true;
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break;
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case 'string':
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$value = (string)$this->_currentTagContents;
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$this->_currentTagContents = '';
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$valueFlag = true;
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break;
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case 'dateTime.iso8601':
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$value = new IXR_Date(trim($this->_currentTagContents));
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// $value = $iso->getTimestamp();
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$this->_currentTagContents = '';
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$valueFlag = true;
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break;
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case 'value':
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// "If no type is indicated, the type is string."
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if($this->_lastseen == 'value'){
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$value = (string)$this->_currentTagContents;
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$this->_currentTagContents = '';
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$valueFlag = true;
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}
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break;
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case 'boolean':
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$value = (boolean)trim($this->_currentTagContents);
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$this->_currentTagContents = '';
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$valueFlag = true;
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break;
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case 'base64':
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$value = base64_decode($this->_currentTagContents);
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$this->_currentTagContents = '';
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$valueFlag = true;
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break;
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/* Deal with stacks of arrays and structs */
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case 'data':
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case 'struct':
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$value = array_pop($this->_arraystructs);
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array_pop($this->_arraystructstypes);
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$valueFlag = true;
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break;
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case 'member':
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array_pop($this->_currentStructName);
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break;
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case 'name':
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$this->_currentStructName[] = trim($this->_currentTagContents);
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$this->_currentTagContents = '';
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break;
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case 'methodName':
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$this->methodName = trim($this->_currentTagContents);
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$this->_currentTagContents = '';
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break;
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}
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if ($valueFlag) {
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/*
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if (!is_array($value) && !is_object($value)) {
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$value = trim($value);
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}
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*/
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if (count($this->_arraystructs) > 0) {
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// Add value to struct or array
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if ($this->_arraystructstypes[count($this->_arraystructstypes)-1] == 'struct') {
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// Add to struct
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$this->_arraystructs[count($this->_arraystructs)-1][$this->_currentStructName[count($this->_currentStructName)-1]] = $value;
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} else {
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// Add to array
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$this->_arraystructs[count($this->_arraystructs)-1][] = $value;
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}
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} else {
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// Just add as a paramater
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$this->params[] = $value;
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}
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}
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$this->_lastseen = $tag;
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}
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}
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class IXR_Server {
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var $data;
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var $callbacks = array();
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var $message;
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var $capabilities;
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function IXR_Server($callbacks = false, $data = false) {
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$this->setCapabilities();
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if ($callbacks) {
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$this->callbacks = $callbacks;
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}
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$this->setCallbacks();
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$this->serve($data);
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}
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function serve($data = false) {
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if (!$data) {
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$postData = trim(http_get_raw_post_data());
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if (!$postData) {
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die('XML-RPC server accepts POST requests only.');
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}
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$data = $postData;
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}
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$this->message = new IXR_Message($data);
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if (!$this->message->parse()) {
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$this->error(-32700, 'parse error. not well formed');
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}
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if ($this->message->messageType != 'methodCall') {
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$this->error(-32600, 'server error. invalid xml-rpc. not conforming to spec. Request must be a methodCall');
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}
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$result = $this->call($this->message->methodName, $this->message->params);
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// Is the result an error?
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if (is_a($result, 'IXR_Error')) {
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$this->error($result);
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}
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// Encode the result
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$r = new IXR_Value($result);
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$resultxml = $r->getXml();
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// Create the XML
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$xml = <<<EOD
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<methodResponse>
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<params>
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<param>
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<value>
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$resultxml
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</value>
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</param>
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</params>
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</methodResponse>
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EOD;
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// Send it
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$this->output($xml);
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}
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function call($methodname, $args) {
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if (!$this->hasMethod($methodname)) {
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return new IXR_Error(-32601, 'server error. requested method '.$methodname.' does not exist.');
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}
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$method = $this->callbacks[$methodname];
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// Perform the callback and send the response
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# Removed for DokuWiki to have a more consistent interface
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# if (count($args) == 1) {
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# // If only one paramater just send that instead of the whole array
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# $args = $args[0];
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# }
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# Adjusted for DokuWiki to use call_user_func_array
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// args need to be an array
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$args = (array) $args;
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// Are we dealing with a function or a method?
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if (substr($method, 0, 5) == 'this:') {
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// It's a class method - check it exists
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$method = substr($method, 5);
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if (!method_exists($this, $method)) {
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return new IXR_Error(-32601, 'server error. requested class method "'.$method.'" does not exist.');
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}
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// Call the method
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#$result = $this->$method($args);
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$result = call_user_func_array(array(&$this,$method),$args);
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} elseif (substr($method, 0, 7) == 'plugin:') {
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list($pluginname, $callback) = explode(':', substr($method, 7), 2);
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if(!plugin_isdisabled($pluginname)) {
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$plugin = plugin_load('action', $pluginname);
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return call_user_func_array(array($plugin, $callback), $args);
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} else {
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return new IXR_Error(-99999, 'server error');
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}
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} else {
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// It's a function - does it exist?
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if (!function_exists($method)) {
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return new IXR_Error(-32601, 'server error. requested function "'.$method.'" does not exist.');
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}
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// Call the function
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#$result = $method($args);
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$result = call_user_func_array($method,$args);
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}
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return $result;
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}
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function error($error, $message = false) {
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// Accepts either an error object or an error code and message
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if ($message && !is_object($error)) {
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$error = new IXR_Error($error, $message);
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}
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$this->output($error->getXml());
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}
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function output($xml) {
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header('Content-Type: text/xml; charset=utf-8');
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echo '<?xml version="1.0"?>', "\n", $xml;
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exit;
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}
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function hasMethod($method) {
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return in_array($method, array_keys($this->callbacks));
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}
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function setCapabilities() {
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// Initialises capabilities array
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$this->capabilities = array(
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'xmlrpc' => array(
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'specUrl' => 'http://www.xmlrpc.com/spec',
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'specVersion' => 1
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),
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'faults_interop' => array(
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'specUrl' => 'http://xmlrpc-epi.sourceforge.net/specs/rfc.fault_codes.php',
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'specVersion' => 20010516
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),
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'system.multicall' => array(
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'specUrl' => 'http://www.xmlrpc.com/discuss/msgReader$1208',
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'specVersion' => 1
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),
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);
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}
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function getCapabilities() {
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return $this->capabilities;
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}
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function setCallbacks() {
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$this->callbacks['system.getCapabilities'] = 'this:getCapabilities';
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$this->callbacks['system.listMethods'] = 'this:listMethods';
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$this->callbacks['system.multicall'] = 'this:multiCall';
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}
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function listMethods() {
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// Returns a list of methods - uses array_reverse to ensure user defined
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// methods are listed before server defined methods
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return array_reverse(array_keys($this->callbacks));
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}
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function multiCall($methodcalls) {
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// See http://www.xmlrpc.com/discuss/msgReader$1208
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$return = array();
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foreach ($methodcalls as $call) {
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$method = $call['methodName'];
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$params = $call['params'];
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if ($method == 'system.multicall') {
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$result = new IXR_Error(-32800, 'Recursive calls to system.multicall are forbidden');
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} else {
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$result = $this->call($method, $params);
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}
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if (is_a($result, 'IXR_Error')) {
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$return[] = array(
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'faultCode' => $result->code,
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'faultString' => $result->message
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);
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} else {
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$return[] = array($result);
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}
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}
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return $return;
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}
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}
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class IXR_Request {
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var $method;
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var $args;
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var $xml;
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function IXR_Request($method, $args) {
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$this->method = $method;
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$this->args = $args;
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$this->xml = <<<EOD
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<?xml version="1.0"?>
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<methodCall>
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<methodName>{$this->method}</methodName>
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<params>
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EOD;
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foreach ($this->args as $arg) {
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$this->xml .= '<param><value>';
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$v = new IXR_Value($arg);
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$this->xml .= $v->getXml();
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$this->xml .= "</value></param>\n";
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}
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$this->xml .= '</params></methodCall>';
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}
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function getLength() {
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return strlen($this->xml);
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}
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function getXml() {
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return $this->xml;
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}
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}
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/**
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* Changed for DokuWiki to use DokuHTTPClient
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*
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* This should be compatible to the original class, but uses DokuWiki's
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* HTTP client library which will respect proxy settings
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*
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* Because the XMLRPC client is not used in DokuWiki currently this is completely
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* untested
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*/
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class IXR_Client extends DokuHTTPClient {
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var $posturl = '';
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var $message = false;
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var $xmlerror = false;
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function IXR_Client($server, $path = false, $port = 80) {
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parent::__construct();
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if (!$path) {
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// Assume we have been given a URL instead
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$this->posturl = $server;
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}else{
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$this->posturl = 'http://'.$server.':'.$port.$path;
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}
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}
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function query() {
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$args = func_get_args();
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$method = array_shift($args);
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$request = new IXR_Request($method, $args);
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$xml = $request->getXml();
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$this->headers['Content-Type'] = 'text/xml';
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if(!$this->sendRequest($this->posturl,$xml,'POST')){
|
|
$this->xmlerror = new IXR_Error(-32300, 'transport error - '.$this->error);
|
|
return false;
|
|
}
|
|
|
|
// Check HTTP Response code
|
|
if($this->status < 200 || $this->status > 206){
|
|
$this->xmlerror = new IXR_Error(-32300, 'transport error - HTTP status '.$this->status);
|
|
return false;
|
|
}
|
|
|
|
// Now parse what we've got back
|
|
$this->message = new IXR_Message($this->resp_body);
|
|
if (!$this->message->parse()) {
|
|
// XML error
|
|
$this->xmlerror = new IXR_Error(-32700, 'parse error. not well formed');
|
|
return false;
|
|
}
|
|
// Is the message a fault?
|
|
if ($this->message->messageType == 'fault') {
|
|
$this->xmlerror = new IXR_Error($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->xmlerror));
|
|
}
|
|
function getErrorCode() {
|
|
return $this->xmlerror->code;
|
|
}
|
|
function getErrorMessage() {
|
|
return $this->xmlerror->message;
|
|
}
|
|
}
|
|
|
|
|
|
class IXR_Error {
|
|
var $code;
|
|
var $message;
|
|
function IXR_Error($code, $message) {
|
|
$this->code = $code;
|
|
$this->message = $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;
|
|
}
|
|
}
|
|
|
|
|
|
class IXR_Date {
|
|
var $year;
|
|
var $month;
|
|
var $day;
|
|
var $hour;
|
|
var $minute;
|
|
var $second;
|
|
function IXR_Date($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 = gmdate('Y', $timestamp);
|
|
$this->month = gmdate('m', $timestamp);
|
|
$this->day = gmdate('d', $timestamp);
|
|
$this->hour = gmdate('H', $timestamp);
|
|
$this->minute = gmdate('i', $timestamp);
|
|
$this->second = gmdate('s', $timestamp);
|
|
}
|
|
function parseIso($iso) {
|
|
if(preg_match('/^(\d\d\d\d)-?(\d\d)-?(\d\d)([T ](\d\d):(\d\d)(:(\d\d))?)?/',$iso,$match)){
|
|
$this->year = (int) $match[1];
|
|
$this->month = (int) $match[2];
|
|
$this->day = (int) $match[3];
|
|
$this->hour = (int) $match[5];
|
|
$this->minute = (int) $match[6];
|
|
$this->second = (int) $match[8];
|
|
}
|
|
}
|
|
function getIso() {
|
|
return $this->year.$this->month.$this->day.'T'.$this->hour.':'.$this->minute.':'.$this->second;
|
|
}
|
|
function getXml() {
|
|
return '<dateTime.iso8601>'.$this->getIso().'</dateTime.iso8601>';
|
|
}
|
|
function getTimestamp() {
|
|
return gmmktime($this->hour, $this->minute, $this->second, $this->month, $this->day, $this->year);
|
|
}
|
|
}
|
|
|
|
|
|
class IXR_Base64 {
|
|
var $data;
|
|
function IXR_Base64($data) {
|
|
$this->data = $data;
|
|
}
|
|
function getXml() {
|
|
return '<base64>'.base64_encode($this->data).'</base64>';
|
|
}
|
|
}
|
|
|
|
|
|
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. Check only, if the minimum count of parameters is specified. More parameters are possible.
|
|
// This is a hack to allow optional parameters...
|
|
if (count($args) < count($signature)) {
|
|
// print 'Num of args: '.count($args).' Num in signature: '.count($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];
|
|
}
|
|
}
|
|
|
|
|
|
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);
|
|
}
|
|
}
|
|
|