class.wsdl.php

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<?php


class wsdl extends nusoap_base
{

	var $wsdl;
	var $schemas = array( );
	var $currentSchema;
	var $message = array( );
	var $complexTypes = array( );
	var $messages = array( );
	var $currentMessage;
	var $currentOperation;
	var $portTypes = array( );
	var $currentPortType;
	var $bindings = array( );
	var $currentBinding;
	var $ports = array( );
	var $currentPort;
	var $opData = array( );
	var $status = "";
	var $documentation = false;
	var $endpoint = "";
	var $import = array( );
	var $parser;
	var $position = 0;
	var $depth = 0;
	var $depth_array = array( );
	var $proxyhost = "";
	var $proxyport = "";
	var $proxyusername = "";
	var $proxypassword = "";
	var $timeout = 0;
	var $response_timeout = 30;

	function wsdl( $wsdl = "", $proxyhost = false, $proxyport = false, $proxyusername = false, $proxypassword = false, $timeout = 0, $response_timeout = 30 )
	{
		$this->wsdl = $wsdl;
		$this->proxyhost = $proxyhost;
		$this->proxyport = $proxyport;
		$this->proxyusername = $proxyusername;
		$this->proxypassword = $proxypassword;
		$this->timeout = $timeout;
		$this->response_timeout = $response_timeout;
		if ( $wsdl != "" )
		{
			$this->debug( "initial wsdl URL: ".$wsdl );
			$this->parsewsdl( $wsdl );
		}
		$imported_urls = array( );
		$imported = 1;
		while ( 0 < $imported )
		{
			$imported = 0;
			foreach ( $this->schemas as $ns => $list )
			{
				foreach ( $list as $xs )
				{
					$wsdlparts = parse_url( $this->wsdl );
					foreach ( $xs->imports as $ns2 => $list2 )
					{
						$ii = 0;
						for ( ;	$ii < count( $list2 );	$ii++	)
						{
							if ( !$list2[$ii]['loaded'] )
							{
								$this->schemas[$ns]->imports[$ns2][$ii]['loaded'] = true;
								$url = $list2[$ii]['location'];
								if ( $url != "" )
								{
									$urlparts = parse_url( $url );
									if ( !isset( $urlparts['host'] ) )
									{
										$url = $wsdlparts['scheme']."://".$wsdlparts['host'].substr( $wsdlparts['path'], 0, strrpos( $wsdlparts['path'], "/" ) + 1 ).$urlparts['path'];
									}
									if ( !in_array( $url, $imported_urls ) )
									{
										$this->parsewsdl( $url );
										$imported++;
										$imported_urls[] = $url;
									}
								}
								else
								{
									$this->debug( "Unexpected scenario: empty URL for unloaded import" );
								}
							}
						}
					}
				}
			}
			$wsdlparts = parse_url( $this->wsdl );
			foreach ( $this->import as $ns => $list )
			{
				$ii = 0;
				for ( ;	$ii < count( $list );	$ii++	)
				{
					if ( !$list[$ii]['loaded'] )
					{
						$this->import[$ns][$ii]['loaded'] = true;
						$url = $list[$ii]['location'];
						if ( $url != "" )
						{
							$urlparts = parse_url( $url );
							if ( !isset( $urlparts['host'] ) )
							{
								$url = $wsdlparts['scheme']."://".$wsdlparts['host'].substr( $wsdlparts['path'], 0, strrpos( $wsdlparts['path'], "/" ) + 1 ).$urlparts['path'];
							}
							if ( !in_array( $url, $imported_urls ) )
							{
								$this->parsewsdl( $url );
								$imported++;
								$imported_urls[] = $url;
							}
						}
						else
						{
							$this->debug( "Unexpected scenario: empty URL for unloaded import" );
						}
					}
				}
			}
		}
		foreach ( $this->bindings as $binding => $bindingData )
		{
			if ( isset( $bindingData['operations'] ) && is_array( $bindingData['operations'] ) )
			{
				foreach ( $bindingData['operations'] as $operation => $data )
				{
					$this->debug( "post-parse data gathering for ".$operation );
					$this->bindings[$binding]['operations'][$operation]['input'] = isset( $this->bindings[$binding]['operations'][$operation]['input'] ) ? array_merge( $this->bindings[$binding]['operations'][$operation]['input'], $this->portTypes[$bindingData['portType']][$operation]['input'] ) : $this->portTypes[$bindingData['portType']][$operation]['input'];
					$this->bindings[$binding]['operations'][$operation]['output'] = isset( $this->bindings[$binding]['operations'][$operation]['output'] ) ? array_merge( $this->bindings[$binding]['operations'][$operation]['output'], $this->portTypes[$bindingData['portType']][$operation]['output'] ) : $this->portTypes[$bindingData['portType']][$operation]['output'];
					if ( isset( $this->messages[$this->bindings[$binding]['operations'][$operation]['input']['message']] ) )
					{
						$this->bindings[$binding]['operations'][$operation]['input']['parts'] = $this->messages[$this->bindings[$binding]['operations'][$operation]['input']['message']];
					}
					if ( isset( $this->messages[$this->bindings[$binding]['operations'][$operation]['output']['message']] ) )
					{
						$this->bindings[$binding]['operations'][$operation]['output']['parts'] = $this->messages[$this->bindings[$binding]['operations'][$operation]['output']['message']];
					}
					if ( isset( $bindingData['style'] ) )
					{
						$this->bindings[$binding]['operations'][$operation]['style'] = $bindingData['style'];
					}
					$this->bindings[$binding]['operations'][$operation]['transport'] = isset( $bindingData['transport'] ) ? $bindingData['transport'] : "";
					$this->bindings[$binding]['operations'][$operation]['documentation'] = isset( $this->portTypes[$bindingData['portType']][$operation]['documentation'] ) ? $this->portTypes[$bindingData['portType']][$operation]['documentation'] : "";
					$this->bindings[$binding]['operations'][$operation]['endpoint'] = isset( $bindingData['endpoint'] ) ? $bindingData['endpoint'] : "";
				}
			}
		}
	}

	function parsewsdl( $wsdl = "" )
	{
		if ( $wsdl == "" )
		{
			$this->debug( "no wsdl passed to parseWSDL()!!" );
			$this->seterror( "no wsdl passed to parseWSDL()!!" );
			return false;
		}
		$wsdl_props = parse_url( $wsdl );
		if ( isset( $wsdl_props['scheme'] ) && ( $wsdl_props['scheme'] == "http" || $wsdl_props['scheme'] == "https" ) )
		{
			$this->debug( "getting WSDL http(s) URL ".$wsdl );
			$tr = new soap_transport_http( $wsdl );
			$tr->request_method = "GET";
			$tr->useSOAPAction = false;
			if ( $this->proxyhost && $this->proxyport )
			{
				$tr->setproxy( $this->proxyhost, $this->proxyport, $this->proxyusername, $this->proxypassword );
			}
			if ( isset( $wsdl_props['user'] ) )
			{
				$tr->setcredentials( $wsdl_props['user'], $wsdl_props['pass'] );
			}
			$wsdl_string = $tr->send( "", $this->timeout, $this->response_timeout );
			$this->debug( "transport debug data...\n".$tr->debug_str );
			if ( $err = $tr->geterror( ) )
			{
				$errstr = "HTTP ERROR: ".$err;
				$this->debug( $errstr );
				$this->seterror( $errstr );
				unset( $tr );
				return false;
			}
			unset( $tr );
		}
		else
		{
			if ( isset( $wsdl_props['scheme'] ) && $wsdl_props['scheme'] == "file" && isset( $wsdl_props['path'] ) )
			{
				$path = isset( $wsdl_props['host'] ) ? $wsdl_props['host'].":".$wsdl_props['path'] : $wsdl_props['path'];
			}
			else
			{
				$path = $wsdl;
			}
			$this->debug( "getting WSDL file ".$path );
			if ( $fp = @fopen( $path, "r" ) )
			{
				$wsdl_string = "";
				while ( $data = fread( $fp, 32768 ) )
				{
					$wsdl_string .= $data;
				}
				fclose( $fp );
			}
			else
			{
				$errstr = "Bad path to WSDL file {$path}";
				$this->debug( $errstr );
				$this->seterror( $errstr );
				return false;
			}
		}
		$this->parser = xml_parser_create( );
		xml_parser_set_option( $this->parser, XML_OPTION_CASE_FOLDING, 0 );
		xml_set_object( $this->parser, $this );
		xml_set_element_handler( $this->parser, "start_element", "end_element" );
		xml_set_character_data_handler( $this->parser, "character_data" );
		if ( !xml_parse( $this->parser, $wsdl_string, true ) )
		{
			$errstr = sprintf( "XML error parsing WSDL from %s on line %d: %s", $wsdl, xml_get_current_line_number( $this->parser ), xml_error_string( xml_get_error_code( $this->parser ) ) );
			$this->debug( $errstr );
			$this->debug( "XML payload:\n".$wsdl_string );
			$this->seterror( $errstr );
			return false;
		}
		xml_parser_free( $this->parser );
		if ( $this->geterror( ) )
		{
			return false;
		}
		return true;
	}

	function start_element( $parser, $name, $attrs )
	{
		if ( $this->status == "schema" )
		{
			$this->currentSchema->schemastartelement( $parser, $name, $attrs );
			$this->debug_str .= $this->currentSchema->debug_str;
			$this->currentSchema->debug_str = "";
		}
		else if ( ereg( "schema\$", $name ) )
		{
			$this->status = "schema";
			$this->currentSchema = new xmlschema( "", "", $this->namespaces );
			$this->currentSchema->schemastartelement( $parser, $name, $attrs );
			$this->debug_str .= $this->currentSchema->debug_str;
			$this->currentSchema->debug_str = "";
		}
		else
		{
			$pos = $this->position++;
			$depth = $this->depth++;
			$this->depth_array[$depth] = $pos;
			$this->message[$pos] = array( "cdata" => "" );
			if ( ereg( ":", $name ) )
			{
				$prefix = substr( $name, 0, strpos( $name, ":" ) );
				$namespace = isset( $this->namespaces[$prefix] ) ? $this->namespaces[$prefix] : "";
				$name = substr( strstr( $name, ":" ), 1 );
			}
			if ( 0 < count( $attrs ) )
			{
				foreach ( $attrs as $k => $v )
				{
					if ( ereg( "^xmlns", $k ) )
					{
						if ( $ns_prefix = substr( strrchr( $k, ":" ), 1 ) )
						{
							$this->namespaces[$ns_prefix] = $v;
						}
						else
						{
							$this->namespaces["ns".( count( $this->namespaces ) + 1 )] = $v;
						}
						if ( $v == "http://www.w3.org/2001/XMLSchema" || $v == "http://www.w3.org/1999/XMLSchema" )
						{
							$this->XMLSchemaVersion = $v;
							$this->namespaces['xsi'] = $v."-instance";
						}
					}
					$k = strpos( $k, ":" ) ? $this->expandqname( $k ) : $k;
					if ( $k != "location" && $k != "soapAction" && $k != "namespace" )
					{
						$v = strpos( $v, ":" ) ? $this->expandqname( $v ) : $v;
					}
					$eAttrs[$k] = $v;
				}
				$attrs = $eAttrs;
			}
			else
			{
				$attrs = array( );
			}
			switch ( $this->status )
			{
			case "message" :
				if ( $name == "part" )
				{
					if ( isset( $attrs['type'] ) )
					{
						$this->debug( "msg ".$this->currentMessage.": found part {$attrs['name']}: ".implode( ",", $attrs ) );
						$this->messages[$this->currentMessage][$attrs['name']] = $attrs['type'];
					}
					if ( isset( $attrs['element'] ) )
					{
						$this->messages[$this->currentMessage][$attrs['name']] = $attrs['element'];
					}
				}
				break;
			case "portType" :
				switch ( $name )
				{
				case "operation" :
					$this->currentPortOperation = $attrs['name'];
					$this->debug( "portType {$this->currentPortType} operation: {$this->currentPortOperation}" );
					if ( isset( $attrs['parameterOrder'] ) )
					{
						$this->portTypes[$this->currentPortType][$attrs['name']]['parameterOrder'] = $attrs['parameterOrder'];
					}
					break;
				case "documentation" :
					$this->documentation = true;
					break;
				default :
					$m = isset( $attrs['message'] ) ? $this->getlocalpart( $attrs['message'] ) : "";
					$this->portTypes[$this->currentPortType][$this->currentPortOperation][$name]['message'] = $m;
					break;
				}
				break;
			case "binding" :
				switch ( $name )
				{
				case "binding" :
					if ( isset( $attrs['style'] ) )
					{
						$this->bindings[$this->currentBinding]['prefix'] = $prefix;
					}
					$this->bindings[$this->currentBinding] = array_merge( $this->bindings[$this->currentBinding], $attrs );
					break;
				case "header" :
					$this->bindings[$this->currentBinding]['operations'][$this->currentOperation][$this->opStatus]['headers'][] = $attrs;
					break;
				case "operation" :
					if ( isset( $attrs['soapAction'] ) )
					{
						$this->bindings[$this->currentBinding]['operations'][$this->currentOperation]['soapAction'] = $attrs['soapAction'];
					}
					if ( isset( $attrs['style'] ) )
					{
						$this->bindings[$this->currentBinding]['operations'][$this->currentOperation]['style'] = $attrs['style'];
					}
					if ( isset( $attrs['name'] ) )
					{
						$this->currentOperation = $attrs['name'];
						$this->debug( "current binding operation: {$this->currentOperation}" );
						$this->bindings[$this->currentBinding]['operations'][$this->currentOperation]['name'] = $attrs['name'];
						$this->bindings[$this->currentBinding]['operations'][$this->currentOperation]['binding'] = $this->currentBinding;
						$this->bindings[$this->currentBinding]['operations'][$this->currentOperation]['endpoint'] = isset( $this->bindings[$this->currentBinding]['endpoint'] ) ? $this->bindings[$this->currentBinding]['endpoint'] : "";
					}
					break;
				case "input" :
					$this->opStatus = "input";
					break;
				case "output" :
					$this->opStatus = "output";
					break;
				case "body" :
					if ( isset( $this->bindings[$this->currentBinding]['operations'][$this->currentOperation][$this->opStatus] ) )
					{
						$this->bindings[$this->currentBinding]['operations'][$this->currentOperation][$this->opStatus] = array_merge( $this->bindings[$this->currentBinding]['operations'][$this->currentOperation][$this->opStatus], $attrs );
					}
					else
					{
						$this->bindings[$this->currentBinding]['operations'][$this->currentOperation][$this->opStatus] = $attrs;
					}
					break;
				}
				break;
			case "service" :
				switch ( $name )
				{
				case "port" :
					$this->currentPort = $attrs['name'];
					$this->debug( "current port: ".$this->currentPort );
					$this->ports[$this->currentPort]['binding'] = $this->getlocalpart( $attrs['binding'] );
					break;
				case "address" :
					$this->ports[$this->currentPort]['location'] = $attrs['location'];
					$this->ports[$this->currentPort]['bindingType'] = $namespace;
					$this->bindings[$this->ports[$this->currentPort]['binding']]['bindingType'] = $namespace;
					$this->bindings[$this->ports[$this->currentPort]['binding']]['endpoint'] = $attrs['location'];
					break;
				}
				break;
			}
			switch ( $name )
			{
			case "import" :
				if ( isset( $attrs['location'] ) )
				{
					$this->import[$attrs['namespace']][] = array(
						"location" => $attrs['location'],
						"loaded" => false
					);
					$this->debug( "parsing import ".$attrs['namespace']." - ".$attrs['location']." (".count( $this->import[$attrs['namespace']] ).")" );
				}
				else
				{
					$this->import[$attrs['namespace']][] = array(
						"location" => "",
						"loaded" => true
					);
					if ( !$this->getprefixfromnamespace( $attrs['namespace'] ) )
					{
						$this->namespaces["ns".( count( $this->namespaces ) + 1 )] = $attrs['namespace'];
					}
					$this->debug( "parsing import ".$attrs['namespace']." - [no location] (".count( $this->import[$attrs['namespace']] ).")" );
				}
				break;
			case "message" :
				$this->status = "message";
				$this->messages[$attrs['name']] = array( );
				$this->currentMessage = $attrs['name'];
				break;
			case "portType" :
				$this->status = "portType";
				$this->portTypes[$attrs['name']] = array( );
				$this->currentPortType = $attrs['name'];
				break;
			case "binding" :
				if ( isset( $attrs['name'] ) )
				{