--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/includes/xmlrpc.inc	Tue Dec 23 14:28:28 2008 +0100
@@ -0,0 +1,477 @@
+<?php
+// $Id: xmlrpc.inc,v 1.47 2008/01/09 21:52:43 goba Exp $
+
+/**
+ * @file
+ * Drupal XML-RPC library. Based on the IXR - The Incutio XML-RPC Library - (c) Incutio Ltd 2002-2005
+ * Version 1.7 (beta) - Simon Willison, 23rd May 2005
+ * Site:   http://scripts.incutio.com/xmlrpc/
+ * Manual: http://scripts.incutio.com/xmlrpc/manual.php
+ * This version is made available under the GNU GPL License
+ */
+
+/**
+ * Recursively turn a data structure into objects with 'data' and 'type' attributes.
+ *
+ * @param $data
+ *   The data structure.
+ * @param  $type
+ *   Optional type assign to $data.
+ * @return
+ *   Object.
+ */
+function xmlrpc_value($data, $type = FALSE) {
+  $xmlrpc_value = new stdClass();
+  $xmlrpc_value->data = $data;
+  if (!$type) {
+    $type = xmlrpc_value_calculate_type($xmlrpc_value);
+  }
+  $xmlrpc_value->type = $type;
+  if ($type == 'struct') {
+    // Turn all the values in the array into new xmlrpc_values
+    foreach ($xmlrpc_value->data as $key => $value) {
+      $xmlrpc_value->data[$key] = xmlrpc_value($value);
+    }
+  }
+  if ($type == 'array') {
+    for ($i = 0, $j = count($xmlrpc_value->data); $i < $j; $i++) {
+      $xmlrpc_value->data[$i] = xmlrpc_value($xmlrpc_value->data[$i]);
+    }
+  }
+  return $xmlrpc_value;
+}
+
+/**
+ * Map PHP type to XML-RPC type.
+ *
+ * @param $xmlrpc_value
+ *   Variable whose type should be mapped.
+ * @return
+ *   XML-RPC type as string.
+ * @see
+ *   http://www.xmlrpc.com/spec#scalars
+ */
+function xmlrpc_value_calculate_type(&$xmlrpc_value) {
+  // http://www.php.net/gettype: Never use gettype() to test for a certain type [...] Instead, use the is_* functions.
+  if (is_bool($xmlrpc_value->data)) {
+    return 'boolean';
+  }
+  if (is_double($xmlrpc_value->data)) {
+    return 'double';
+  }
+  if (is_int($xmlrpc_value->data)) {
+      return 'int';
+  }
+  if (is_array($xmlrpc_value->data)) {
+    // empty or integer-indexed arrays are 'array', string-indexed arrays 'struct'
+    return empty($xmlrpc_value->data) || range(0, count($xmlrpc_value->data) - 1) === array_keys($xmlrpc_value->data) ? 'array' : 'struct';
+  }
+  if (is_object($xmlrpc_value->data)) {
+    if ($xmlrpc_value->data->is_date) {
+      return 'date';
+    }
+    if ($xmlrpc_value->data->is_base64) {
+      return 'base64';
+    }
+    $xmlrpc_value->data = get_object_vars($xmlrpc_value->data);
+    return 'struct';
+  }
+  // default
+  return 'string';
+}
+
+/**
+ * Generate XML representing the given value.
+ *
+ * @param $xmlrpc_value
+ * @return
+ *   XML representation of value.
+ */
+function xmlrpc_value_get_xml($xmlrpc_value) {
+  switch ($xmlrpc_value->type) {
+    case 'boolean':
+      return '<boolean>'. (($xmlrpc_value->data) ? '1' : '0') .'</boolean>';
+      break;
+    case 'int':
+      return '<int>'. $xmlrpc_value->data .'</int>';
+      break;
+    case 'double':
+      return '<double>'. $xmlrpc_value->data .'</double>';
+      break;
+    case 'string':
+      // Note: we don't escape apostrophes because of the many blogging clients
+      // that don't support numerical entities (and XML in general) properly.
+      return '<string>'. htmlspecialchars($xmlrpc_value->data) .'</string>';
+      break;
+    case 'array':
+      $return = '<array><data>'."\n";
+      foreach ($xmlrpc_value->data as $item) {
+        $return .= '  <value>'. xmlrpc_value_get_xml($item) ."</value>\n";
+      }
+      $return .= '</data></array>';
+      return $return;
+      break;
+    case 'struct':
+      $return = '<struct>'."\n";
+      foreach ($xmlrpc_value->data as $name => $value) {
+        $return .= "  <member><name>". check_plain($name) ."</name><value>";
+        $return .= xmlrpc_value_get_xml($value) ."</value></member>\n";
+      }
+      $return .= '</struct>';
+      return $return;
+      break;
+    case 'date':
+      return xmlrpc_date_get_xml($xmlrpc_value->data);
+      break;
+    case 'base64':
+      return xmlrpc_base64_get_xml($xmlrpc_value->data);
+      break;
+  }
+  return FALSE;
+}
+
+/**
+ * Construct an object representing an XML-RPC message.
+ *
+ * @param $message
+ *   String containing XML as defined at http://www.xmlrpc.com/spec
+ * @return
+ *   Object
+ */
+function xmlrpc_message($message) {
+  $xmlrpc_message = new stdClass();
+  $xmlrpc_message->array_structs = array();   // The stack used to keep track of the current array/struct
+  $xmlrpc_message->array_structs_types = array(); // The stack used to keep track of if things are structs or array
+  $xmlrpc_message->current_struct_name = array();  // A stack as well
+  $xmlrpc_message->message = $message;
+  return $xmlrpc_message;
+}
+
+/**
+ * Parse an XML-RPC message. If parsing fails, the faultCode and faultString
+ * will be added to the message object.
+ *
+ * @param $xmlrpc_message
+ *   Object generated by xmlrpc_message()
+ * @return
+ *   TRUE if parsing succeeded; FALSE otherwise
+ */
+function xmlrpc_message_parse(&$xmlrpc_message) {
+  // First remove the XML declaration
+  $xmlrpc_message->message = preg_replace('/<\?xml(.*)?\?'.'>/', '', $xmlrpc_message->message);
+  if (trim($xmlrpc_message->message) == '') {
+    return FALSE;
+  }
+  $xmlrpc_message->_parser = xml_parser_create();
+  // Set XML parser to take the case of tags into account.
+  xml_parser_set_option($xmlrpc_message->_parser, XML_OPTION_CASE_FOLDING, FALSE);
+  // Set XML parser callback functions
+  xml_set_element_handler($xmlrpc_message->_parser, 'xmlrpc_message_tag_open', 'xmlrpc_message_tag_close');
+  xml_set_character_data_handler($xmlrpc_message->_parser, 'xmlrpc_message_cdata');
+  xmlrpc_message_set($xmlrpc_message);
+  if (!xml_parse($xmlrpc_message->_parser, $xmlrpc_message->message)) {
+    return FALSE;
+  }
+  xml_parser_free($xmlrpc_message->_parser);
+  // Grab the error messages, if any
+  $xmlrpc_message = xmlrpc_message_get();
+  if ($xmlrpc_message->messagetype == 'fault') {
+    $xmlrpc_message->fault_code = $xmlrpc_message->params[0]['faultCode'];
+    $xmlrpc_message->fault_string = $xmlrpc_message->params[0]['faultString'];
+  }
+  return TRUE;
+}
+
+/**
+ * Store a copy of the $xmlrpc_message object temporarily.
+ *
+ * @param $value
+ *   Object
+ * @return
+ *   The most recently stored $xmlrpc_message
+ */
+function xmlrpc_message_set($value = NULL) {
+  static $xmlrpc_message;
+  if ($value) {
+    $xmlrpc_message = $value;
+  }
+  return $xmlrpc_message;
+}
+
+function xmlrpc_message_get() {
+  return xmlrpc_message_set();
+}
+
+function xmlrpc_message_tag_open($parser, $tag, $attr) {
+  $xmlrpc_message = xmlrpc_message_get();
+  $xmlrpc_message->current_tag_contents = '';
+  $xmlrpc_message->last_open = $tag;
+  switch ($tag) {
+    case 'methodCall':
+    case 'methodResponse':
+    case 'fault':
+      $xmlrpc_message->messagetype = $tag;
+      break;
+    // Deal with stacks of arrays and structs
+    case 'data':
+      $xmlrpc_message->array_structs_types[] = 'array';
+      $xmlrpc_message->array_structs[] = array();
+      break;
+    case 'struct':
+      $xmlrpc_message->array_structs_types[] = 'struct';
+      $xmlrpc_message->array_structs[] = array();
+      break;
+  }
+  xmlrpc_message_set($xmlrpc_message);
+}
+
+function xmlrpc_message_cdata($parser, $cdata) {
+  $xmlrpc_message = xmlrpc_message_get();
+  $xmlrpc_message->current_tag_contents .= $cdata;
+  xmlrpc_message_set($xmlrpc_message);
+}
+
+function xmlrpc_message_tag_close($parser, $tag) {
+  $xmlrpc_message = xmlrpc_message_get();
+  $value_flag = FALSE;
+  switch ($tag) {
+    case 'int':
+    case 'i4':
+      $value = (int)trim($xmlrpc_message->current_tag_contents);
+      $value_flag = TRUE;
+      break;
+    case 'double':
+      $value = (double)trim($xmlrpc_message->current_tag_contents);
+      $value_flag = TRUE;
+      break;
+    case 'string':
+      $value = $xmlrpc_message->current_tag_contents;
+      $value_flag = TRUE;
+      break;
+    case 'dateTime.iso8601':
+      $value = xmlrpc_date(trim($xmlrpc_message->current_tag_contents));
+      // $value = $iso->getTimestamp();
+      $value_flag = TRUE;
+      break;
+    case 'value':
+      // If no type is indicated, the type is string
+      // We take special care for empty values
+      if (trim($xmlrpc_message->current_tag_contents) != '' || $xmlrpc_message->last_open == 'value') {
+        $value = (string)$xmlrpc_message->current_tag_contents;
+        $value_flag = TRUE;
+      }
+      unset($xmlrpc_message->last_open);
+      break;
+    case 'boolean':
+      $value = (boolean)trim($xmlrpc_message->current_tag_contents);
+      $value_flag = TRUE;
+      break;
+    case 'base64':
+      $value = base64_decode(trim($xmlrpc_message->current_tag_contents));
+      $value_flag = TRUE;
+      break;
+    // Deal with stacks of arrays and structs
+    case 'data':
+    case 'struct':
+      $value = array_pop($xmlrpc_message->array_structs );
+      array_pop($xmlrpc_message->array_structs_types);
+      $value_flag = TRUE;
+      break;
+    case 'member':
+      array_pop($xmlrpc_message->current_struct_name);
+      break;
+    case 'name':
+      $xmlrpc_message->current_struct_name[] = trim($xmlrpc_message->current_tag_contents);
+      break;
+    case 'methodName':
+      $xmlrpc_message->methodname = trim($xmlrpc_message->current_tag_contents);
+      break;
+  }
+  if ($value_flag) {
+    if (count($xmlrpc_message->array_structs ) > 0) {
+      // Add value to struct or array
+      if ($xmlrpc_message->array_structs_types[count($xmlrpc_message->array_structs_types)-1] == 'struct') {
+        // Add to struct
+        $xmlrpc_message->array_structs [count($xmlrpc_message->array_structs )-1][$xmlrpc_message->current_struct_name[count($xmlrpc_message->current_struct_name)-1]] = $value;
+      }
+      else {
+        // Add to array
+        $xmlrpc_message->array_structs [count($xmlrpc_message->array_structs )-1][] = $value;
+      }
+    }
+    else {
+      // Just add as a parameter
+      $xmlrpc_message->params[] = $value;
+    }
+  }
+  if (!in_array($tag, array("data", "struct", "member"))) {
+    $xmlrpc_message->current_tag_contents = '';
+  }
+  xmlrpc_message_set($xmlrpc_message);
+}
+
+/**
+ * Construct an object representing an XML-RPC request
+ *
+ * @param $method
+ *   The name of the method to be called
+ * @param $args
+ *   An array of parameters to send with the method.
+ * @return
+ *   Object
+ */
+function xmlrpc_request($method, $args) {
+  $xmlrpc_request = new stdClass();
+  $xmlrpc_request->method = $method;
+  $xmlrpc_request->args = $args;
+  $xmlrpc_request->xml = <<<EOD
+<?xml version="1.0"?>
+<methodCall>
+<methodName>{$xmlrpc_request->method}</methodName>
+<params>
+
+EOD;
+  foreach ($xmlrpc_request->args as $arg) {
+    $xmlrpc_request->xml .= '<param><value>';
+    $v = xmlrpc_value($arg);
+    $xmlrpc_request->xml .= xmlrpc_value_get_xml($v);
+    $xmlrpc_request->xml .= "</value></param>\n";
+  }
+  $xmlrpc_request->xml .= '</params></methodCall>';
+  return $xmlrpc_request;
+}
+
+
+function xmlrpc_error($code = NULL, $message = NULL) {
+  static $xmlrpc_error;
+  if (isset($code)) {
+    $xmlrpc_error = new stdClass();
+    $xmlrpc_error->is_error = TRUE;
+    $xmlrpc_error->code = $code;
+    $xmlrpc_error->message = $message;
+    module_invoke('system', 'check_http_request');
+  }
+  return $xmlrpc_error;
+}
+
+function xmlrpc_error_get_xml($xmlrpc_error) {
+  return <<<EOD
+<methodResponse>
+  <fault>
+  <value>
+    <struct>
+    <member>
+      <name>faultCode</name>
+      <value><int>{$xmlrpc_error->code}</int></value>
+    </member>
+    <member>
+      <name>faultString</name>
+      <value><string>{$xmlrpc_error->message}</string></value>
+    </member>
+    </struct>
+  </value>
+  </fault>
+</methodResponse>
+
+EOD;
+}
+
+function xmlrpc_date($time) {
+  $xmlrpc_date = new stdClass();
+  $xmlrpc_date->is_date = TRUE;
+  // $time can be a PHP timestamp or an ISO one
+  if (is_numeric($time)) {
+    $xmlrpc_date->year = date('Y', $time);
+    $xmlrpc_date->month = date('m', $time);
+    $xmlrpc_date->day = date('d', $time);
+    $xmlrpc_date->hour = date('H', $time);
+    $xmlrpc_date->minute = date('i', $time);
+    $xmlrpc_date->second = date('s', $time);
+    $xmlrpc_date->iso8601 = date('Ymd\TH:i:s', $time);
+  }
+  else {
+    $xmlrpc_date->iso8601 = $time;
+    $time = str_replace(array('-', ':'), '', $time);
+    $xmlrpc_date->year = substr($time, 0, 4);
+    $xmlrpc_date->month = substr($time, 4, 2);
+    $xmlrpc_date->day = substr($time, 6, 2);
+    $xmlrpc_date->hour = substr($time, 9, 2);
+    $xmlrpc_date->minute = substr($time, 11, 2);
+    $xmlrpc_date->second = substr($time, 13, 2);
+  }
+  return $xmlrpc_date;
+}
+
+function xmlrpc_date_get_xml($xmlrpc_date) {
+  return '<dateTime.iso8601>'. $xmlrpc_date->year . $xmlrpc_date->month . $xmlrpc_date->day .'T'. $xmlrpc_date->hour .':'. $xmlrpc_date->minute .':'. $xmlrpc_date->second .'</dateTime.iso8601>';
+}
+
+function xmlrpc_base64($data) {
+  $xmlrpc_base64 = new stdClass();
+  $xmlrpc_base64->is_base64 = TRUE;
+  $xmlrpc_base64->data = $data;
+  return $xmlrpc_base64;
+}
+
+function xmlrpc_base64_get_xml($xmlrpc_base64) {
+  return '<base64>'. base64_encode($xmlrpc_base64->data) .'</base64>';
+}
+
+/**
+ * Execute an XML remote procedural call. This is private function; call xmlrpc()
+ * in common.inc instead of this function.
+ *
+ * @return
+ *   A $xmlrpc_message object if the call succeeded; FALSE if the call failed
+ */
+function _xmlrpc() {
+  $args = func_get_args();
+  $url = array_shift($args);
+  if (is_array($args[0])) {
+    $method = 'system.multicall';
+    $multicall_args = array();
+    foreach ($args[0] as $call) {
+      $multicall_args[] = array('methodName' => array_shift($call), 'params' => $call);
+    }
+    $args = array($multicall_args);
+  }
+  else {
+    $method = array_shift($args);
+  }
+  $xmlrpc_request = xmlrpc_request($method, $args);
+  $result = drupal_http_request($url, array("Content-Type" => "text/xml"), 'POST', $xmlrpc_request->xml);
+  if ($result->code != 200) {
+    xmlrpc_error($result->code, $result->error);
+    return FALSE;
+  }
+  $message = xmlrpc_message($result->data);
+  // Now parse what we've got back
+  if (!xmlrpc_message_parse($message)) {
+    // XML error
+    xmlrpc_error(-32700, t('Parse error. Not well formed'));
+    return FALSE;
+  }
+  // Is the message a fault?
+  if ($message->messagetype == 'fault') {
+    xmlrpc_error($message->fault_code, $message->fault_string);
+    return FALSE;
+  }
+  // Message must be OK
+  return $message->params[0];
+}
+
+/**
+ * Returns the last XML-RPC client error number
+ */
+function xmlrpc_errno() {
+  $error = xmlrpc_error();
+  return $error->code;
+}
+
+/**
+ * Returns the last XML-RPC client error message
+ */
+function xmlrpc_error_msg() {
+  $error = xmlrpc_error();
+  return $error->message;
+}