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<?php
// $Id: xmlrpc.inc,v 1.47.2.1 2008/03/21 22:12:56 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) != '' || (isset($xmlrpc_message->last_open) && ($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;
}
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