+global\xmlrpc_server::execute()

Complexity

Conditions	27
Paths	> 20000

Size

Total Lines	169
Code Lines	79

Duplication

Lines	8
Ratio	4.73 %

Importance

Changes

0

<?php
		function execute($m, $params=null, $paramtypes=null)
		{
			if (is_object($m))
			{
				$methName = $m->method();
			}
			else
			{
				$methName = $m;
			}
			$sysCall = $this->allow_system_funcs && (strpos($methName, "system.") === 0);
			$dmap = $sysCall ? $GLOBALS['_xmlrpcs_dmap'] : $this->dmap;

			if(!isset($dmap[$methName]['function']))
			{
				// No such method
				return new xmlrpcresp(0,
					$GLOBALS['xmlrpcerr']['unknown_method'],
					$GLOBALS['xmlrpcstr']['unknown_method']);
			}

			// Check signature
			if(isset($dmap[$methName]['signature']))
			{
				$sig = $dmap[$methName]['signature'];
				if (is_object($m))
				{
					list($ok, $errstr) = $this->verifySignature($m, $sig);
				}
				else
				{
					list($ok, $errstr) = $this->verifySignature($paramtypes, $sig);
				}
				if(!$ok)
				{
					// Didn't match.
					return new xmlrpcresp(
						0,
						$GLOBALS['xmlrpcerr']['incorrect_params'],
						$GLOBALS['xmlrpcstr']['incorrect_params'] . ": ${errstr}"
					);
				}
			}

			$func = $dmap[$methName]['function'];
			// let the 'class::function' syntax be accepted in dispatch maps
			if(is_string($func) && strpos($func, '::'))
			{
				$func = explode('::', $func);
			}
			// verify that function to be invoked is in fact callable
			if(!is_callable($func))
			{
				error_log("XML-RPC: ".__METHOD__.": function $func registered as method handler is not callable");
				return new xmlrpcresp(
					0,
					$GLOBALS['xmlrpcerr']['server_error'],
					$GLOBALS['xmlrpcstr']['server_error'] . ": no function matches method"
				);
			}

			// If debug level is 3, we should catch all errors generated during
			// processing of user function, and log them as part of response
			if($this->debug > 2)
			{
				$GLOBALS['_xmlrpcs_prev_ehandler'] = set_error_handler('_xmlrpcs_errorHandler');
			}
			try
			{
				// Allow mixed-convention servers
				if (is_object($m))
				{
					if($sysCall)
					{
						$r = call_user_func($func, $this, $m);
					}
					else
					{
						$r = call_user_func($func, $m);
					}
					if (!is_a($r, 'xmlrpcresp'))
					{
						error_log("XML-RPC: ".__METHOD__.": function $func registered as method handler does not return an xmlrpcresp object");
						if (is_a($r, 'xmlrpcval'))
						{
							$r = new xmlrpcresp($r);
						}
						else
						{
							$r = new xmlrpcresp(
								0,
								$GLOBALS['xmlrpcerr']['server_error'],
								$GLOBALS['xmlrpcstr']['server_error'] . ": function does not return xmlrpcresp object"
							);
						}
					}
				}
				else
				{
					// call a 'plain php' function
					if($sysCall)
					{
						array_unshift($params, $this);
						$r = call_user_func_array($func, $params);
					}
					else
					{
						// 3rd API convention for method-handling functions: EPI-style
						if ($this->functions_parameters_type == 'epivals')
						{
							$r = call_user_func_array($func, array($methName, $params, $this->user_data));
							// mimic EPI behaviour: if we get an array that looks like an error, make it
							// an eror response
							if (is_array($r) && array_key_exists('faultCode', $r) && array_key_exists('faultString', $r))
							{
								$r = new xmlrpcresp(0, (integer)$r['faultCode'], (string)$r['faultString']);
							}
							else
							{
								// functions using EPI api should NOT return resp objects,
								// so make sure we encode the return type correctly
								$r = new xmlrpcresp(php_xmlrpc_encode($r, array('extension_api')));
							}
						}
						else
						{
							$r = call_user_func_array($func, $params);
						}
					}
					// the return type can be either an xmlrpcresp object or a plain php value...
					if (!is_a($r, 'xmlrpcresp'))
					{
						// what should we assume here about automatic encoding of datetimes
						// and php classes instances???
						$r = new xmlrpcresp(php_xmlrpc_encode($r, $this->phpvals_encoding_options));
					}
				}
			}
			catch(Exception $e)
			{
				// (barring errors in the lib) an uncatched exception happened
				// in the called function, we wrap it in a proper error-response
				switch($this->exception_handling)
				{
					case 2:
						throw $e;
						break;
					case 1:
						$r = new xmlrpcresp(0, $e->getCode(), $e->getMessage());
						break;
					default:
						$r = new xmlrpcresp(0, $GLOBALS['xmlrpcerr']['server_error'], $GLOBALS['xmlrpcstr']['server_error']);
				}
			}
			if($this->debug > 2)
			{
				// note: restore the error handler we found before calling the
				// user func, even if it has been changed inside the func itself
				if($GLOBALS['_xmlrpcs_prev_ehandler'])
				{
					set_error_handler($GLOBALS['_xmlrpcs_prev_ehandler']);
				}
				else
				{
					restore_error_handler();
				}
			}
			return $r;
		}

?>