diff options
Diffstat (limited to 'system/libraries/Xmlrpcs.php')
-rw-r--r-- | system/libraries/Xmlrpcs.php | 492 |
1 files changed, 492 insertions, 0 deletions
diff --git a/system/libraries/Xmlrpcs.php b/system/libraries/Xmlrpcs.php new file mode 100644 index 000000000..eaec87a6d --- /dev/null +++ b/system/libraries/Xmlrpcs.php @@ -0,0 +1,492 @@ +<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); +/** + * Code Igniter + * + * An open source application development framework for PHP 4.3.2 or newer + * + * @package CodeIgniter + * @author Rick Ellis + * @copyright Copyright (c) 2006, pMachine, Inc. + * @license http://www.codeignitor.com/user_guide/license.html + * @link http://www.codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * XML-RPC server class + * + * @package CodeIgniter + * @subpackage Libraries + * @category XML-RPC + * @author Paul Burdick + * @link http://www.codeigniter.com/user_guide/libraries/xmlrpc.html + */ +class CI_XML_RPC_Server extends CI_XML_RPC +{ + var $methods = array(); //array of methods mapped to function names and signatures + var $debug_msg = ''; // Debug Message + var $system_methods = array(); // XML RPC Server methods + var $controller_obj; + + + //------------------------------------- + // Constructor, more or less + //------------------------------------- + + function CI_XML_RPC_Server($config=array()) + { + parent::CI_XML_RPC(); + $this->set_system_methods(); + + if (isset($config['functions']) && is_array($config['functions'])) + { + $this->methods = $config['functions']; + } + + log_message('debug', "XML-RPC Server Class Initialized"); + } + + //------------------------------------- + // Initialize Prefs and Serve + //------------------------------------- + + function initialize($config=array()) + { + if (isset($config['functions']) && is_array($config['functions'])) + { + $this->methods = $config['functions']; + } + + if (isset($config['debug'])) + { + $this->debug = $config['debug']; + } + } + + //------------------------------------- + // Setting of System Methods + //------------------------------------- + + function set_system_methods () + { + $system_methods = array( + 'system.listMethods' => array( + 'function' => 'this.listMethods', + 'signature' => array(array($this->xmlrpcArray, $this->xmlrpcString), array($this->xmlrpcArray)), + 'docstring' => 'Returns an array of available methods on this server'), + 'system.methodHelp' => array( + 'function' => 'this.methodHelp', + 'signature' => array(array($this->xmlrpcString, $this->xmlrpcString)), + 'docstring' => 'Returns a documentation string for the specified method'), + 'system.methodSignature' => array( + 'function' => 'this.methodSignature', + 'signature' => array(array($this->xmlrpcArray, $this->xmlrpcString)), + 'docstring' => 'Returns an array describing the return type and required parameters of a method'), + 'system.multicall' => array( + 'function' => 'this.multicall', + 'signature' => array(array($this->xmlrpcArray, $this->xmlrpcArray)), + 'docstring' => 'Combine multiple RPC calls in one request. See http://www.xmlrpc.com/discuss/msgReader$1208 for details') + ); + } + + + //------------------------------------- + // Main Server Function + //------------------------------------- + + function serve() + { + $r = $this->parseRequest(); + $payload = '<?xml version="1.0" encoding="'.$this->xmlrpc_defencoding.'"?'.'>'."\n"; + $payload .= $this->debug_msg; + $payload .= $r->prepare_response(); + + header("Content-Type: text/xml"); + header("Content-Length: ".strlen($payload)); + echo $payload; + } + + //------------------------------------- + // Add Method to Class + //------------------------------------- + + function add_to_map($methodname,$function,$sig,$doc) + { + $this->methods[$methodname] = array( + 'function' => $function, + 'signature' => $sig, + 'docstring' => $doc + ); + } + + + //------------------------------------- + // Parse Server Request + //------------------------------------- + + function parseRequest($data='') + { + global $HTTP_RAW_POST_DATA; + + //------------------------------------- + // Get Data + //------------------------------------- + + if ($data == '') + { + $data = $HTTP_RAW_POST_DATA; + } + + + //------------------------------------- + // Set up XML Parser + //------------------------------------- + + $parser = xml_parser_create($this->xmlrpc_defencoding); + $parser_object = new XML_RPC_Message("filler"); + + $parser_object->xh[$parser] = array(); + $parser_object->xh[$parser]['isf'] = 0; + $parser_object->xh[$parser]['isf_reason'] = ''; + $parser_object->xh[$parser]['params'] = array(); + $parser_object->xh[$parser]['stack'] = array(); + $parser_object->xh[$parser]['valuestack'] = array(); + $parser_object->xh[$parser]['method'] = ''; + + xml_set_object($parser, $parser_object); + xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true); + xml_set_element_handler($parser, 'open_tag', 'closing_tag'); + xml_set_character_data_handler($parser, 'character_data'); + //xml_set_default_handler($parser, 'default_handler'); + + + //------------------------------------- + // PARSE + PROCESS XML DATA + //------------------------------------- + + if ( ! xml_parse($parser, $data, 1)) + { + // return XML error as a faultCode + $r = new XML_RPC_Response(0, + $this->xmlrpcerrxml + xml_get_error_code($parser), + sprintf('XML error: %s at line %d', + xml_error_string(xml_get_error_code($parser)), + xml_get_current_line_number($parser))); + xml_parser_free($parser); + } + elseif($parser_object->xh[$parser]['isf']) + { + return new XML_RPC_Response(0, + $this->xmlrpcerr['invalid_return'], + $this->xmlrpcstr['invalid_retrun']); + } + else + { + xml_parser_free($parser); + + $m = new XML_RPC_Message($parser_object->xh[$parser]['method']); + $plist=''; + + for($i=0; $i < sizeof($parser_object->xh[$parser]['params']); $i++) + { + $plist .= "$i - " . print_r(get_object_vars($parser_object->xh[$parser]['params'][$i]), TRUE). ";\n"; + + $m->addParam($parser_object->xh[$parser]['params'][$i]); + } + + if ($this->debug === TRUE) + { + echo "<pre>"; + echo "---PLIST---\n" . $plist . "\n---PLIST END---\n\n"; + echo "</pre>"; + } + + $r = $this->execute($m); + } + + //------------------------------------- + // SET DEBUGGING MESSAGE + //------------------------------------- + + if ($this->debug === TRUE) + { + $this->debug_msg = "<!-- DEBUG INFO:\n\n".$plist."\n END DEBUG-->\n"; + } + + return $r; + } + + //------------------------------------- + // Executes the Method + //------------------------------------- + + function execute($m) + { + $methName = $m->method_name; + + // Check to see if it is a system call + // If so, load the system_methods + $sysCall = ereg("^system\.", $methName); + $methods = $sysCall ? $this->system_methods : $this->methods; + + //------------------------------------- + // Check for Function + //------------------------------------- + + if (!isset($methods[$methName]['function'])) + { + return new XML_RPC_Response(0, + $this->xmlrpcerr['unknown_method'], + $this->xmlrpcstr['unknown_method']); + } + else + { + // See if we are calling function in an object + + $method_parts = explode(".",$methods[$methName]['function']); + $objectCall = (isset($method_parts['1']) && $method_parts['1'] != "") ? true : false; + + if ($objectCall && !is_callable(array($method_parts['0'],$method_parts['1']))) + { + return new XML_RPC_Response(0, + $this->xmlrpcerr['unknown_method'], + $this->xmlrpcstr['unknown_method']); + } + elseif (!$objectCall && !is_callable($methods[$methName]['function'])) + { + return new XML_RPC_Response(0, + $this->xmlrpcerr['unknown_method'], + $this->xmlrpcstr['unknown_method']); + } + } + + //------------------------------------- + // Checking Methods Signature + //------------------------------------- + + if (isset($methods[$methName]['signature'])) + { + $sig = $methods[$methName]['signature']; + for($i=0; $i<sizeof($sig); $i++) + { + $current_sig = $sig[$i]; + + if (sizeof($current_sig) == sizeof($m->params)+1) + { + for($n=0; $n < sizeof($m->params); $n++) + { + $p = $m->params[$n]; + $pt = ($p->kindOf() == 'scalar') ? $p->scalartyp() : $p->kindOf(); + + if ($pt != $current_sig[$n+1]) + { + $pno = $n+1; + $wanted = $current_sig[$n+1]; + + return new XML_RPC_Response(0, + $this->xmlrpcerr['incorrect_params'], + $this->xmlrpcstr['incorrect_params'] . + ": Wanted {$wanted}, got {$pt} at param {$pno})"); + } + } + } + } + } + + //------------------------------------- + // Calls the Function + //------------------------------------- + + if ($objectCall) + { + if ($method_parts['1'] == "this") + { + return call_user_func(array($this, $method_parts['0']), $m); + } + else + { + $obj =& get_instance(); + return $obj->$method_parts['1']($m); + //$class = new $method_parts['0']; + //return $class->$method_parts['1']($m); + //return call_user_func(array(&$method_parts['0'],$method_parts['1']), $m); + } + } + else + { + return call_user_func($methods[$methName]['function'], $m); + } + } + + + //------------------------------------- + // Server Function: List Methods + //------------------------------------- + + function listMethods($m) + { + $v = new XML_RPC_Values(); + $output = array(); + foreach($this->$methods as $key => $value) + { + $output[] = new XML_RPC_Values($key, 'string'); + } + + foreach($this->system_methods as $key => $value) + { + $output[]= new XML_RPC_Values($key, 'string'); + } + + $v->addArray($output); + return new XML_RPC_Response($v); + } + + //------------------------------------- + // Server Function: Return Signature for Method + //------------------------------------- + + function methodSignature($m) + { + $methName = $m->getParam(0); + $method_name = $methName->scalarval(); + + $methods = ereg("^system\.", $method_name) ? $this->system_methods : $this->methods; + + if (isset($methods[$method_name])) + { + if ($methods[$method_name]['signature']) + { + $sigs = array(); + $signature = $methods[$method_name]['signature']; + + for($i=0; $i < sizeof($signature); $i++) + { + $cursig = array(); + $inSig = $signature[$i]; + for($j=0; $j<sizeof($inSig); $j++) + { + $cursig[]= new XML_RPC_Values($inSig[$j], 'string'); + } + $sigs[]= new XML_RPC_Values($cursig, 'array'); + } + $r = new XML_RPC_Response(new XML_RPC_Values($sigs, 'array')); + } + else + { + $r = new XML_RPC_Response(new XML_RPC_Values('undef', 'string')); + } + } + else + { + $r = new XML_RPC_Response(0,$this->xmlrpcerr['introspect_unknown'], $this->xmlrpcstr['introspect_unknown']); + } + return $r; + } + + //------------------------------------- + // Server Function: Doc String for Method + //------------------------------------- + + function methodHelp($m) + { + $methName = $m->getParam(0); + $method_name = $methName->scalarval(); + + $methods = ereg("^system\.", $method_name) ? $this->system_methods : $this->methods; + + if (isset($methods[$methName])) + { + $docstring = isset($methods[$method_name]['docstring']) ? $methods[$method_name]['docstring'] : ''; + $r = new XML_RPC_Response(new XML_RPC_Values($docstring, 'string')); + } + else + { + $r = new XML_RPC_Response(0, $this->xmlrpcerr['introspect_unknown'], $this->xmlrpcstr['introspect_unknown']); + } + return $r; + } + + //------------------------------------- + // Server Function: Multi-call + //------------------------------------- + + function multicall($m) + { + $calls = $m->getParam(0); + list($a,$b)=each($calls->me); + $result = array(); + + for ($i = 0; $i < sizeof($b); $i++) + { + $call = $calls->me['array'][$i]; + $result[$i] = $this->do_multicall($call); + } + + return new XML_RPC_Response(new XML_RPC_Values($result, 'array')); + } + + + //------------------------------------- + // Multi-call Function: Error Handling + //------------------------------------- + + function multicall_error($err) + { + $str = is_string($err) ? $this->xmlrpcstr["multicall_${err}"] : $err->faultString(); + $code = is_string($err) ? $this->xmlrpcerr["multicall_${err}"] : $err->faultCode(); + + $struct['faultCode'] = new XML_RPC_Values($code, 'int'); + $struct['faultString'] = new XML_RPC_Values($str, 'string'); + + return new XML_RPC_Values($struct, 'struct'); + } + + + //------------------------------------- + // Multi-call Function: Processes method + //------------------------------------- + + function do_multicall($call) + { + if ($call->kindOf() != 'struct') + return $this->multicall_error('notstruct'); + elseif (!$methName = $call->me['struct']['methodName']) + return $this->multicall_error('nomethod'); + + list($scalar_type,$scalar_value)=each($methName->me); + $scalar_type = $scalar_type == $this->xmlrpcI4 ? $this->xmlrpcInt : $scalar_type; + + if ($methName->kindOf() != 'scalar' || $scalar_type != 'string') + return $this->multicall_error('notstring'); + elseif ($scalar_value == 'system.multicall') + return $this->multicall_error('recursion'); + elseif (!$params = $call->me['struct']['params']) + return $this->multicall_error('noparams'); + elseif ($params->kindOf() != 'array') + return $this->multicall_error('notarray'); + + list($a,$b)=each($params->me); + $numParams = sizeof($b); + + $msg = new XML_RPC_Message($scalar_value); + for ($i = 0; $i < $numParams; $i++) + { + $msg->params[] = $params->me['array'][$i]; + } + + $result = $this->execute($msg); + + if ($result->faultCode() != 0) + { + return $this->multicall_error($result); + } + + return new XML_RPC_Values(array($result->value()), 'array'); + } + +} +// END XML_RPC_Server class +?>
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