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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Soap
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Soap_Wsdl_Strategy_Interface
  */
 // require_once "Zend/Soap/Wsdl/Strategy/Interface.php";
 
 /**
  * @see Zend_Soap_Wsdl_Strategy_Abstract
  */
 // require_once "Zend/Soap/Wsdl/Strategy/Abstract.php";
 
 /** @see Zend_Xml_Security */
 // require_once "Zend/Xml/Security.php";
 
 /**
  * Zend_Soap_Wsdl
  *
  * @category   Zend
  * @package    Zend_Soap
  */
 class Zend_Soap_Wsdl
 {
     /**
      * @var object DomDocument Instance
      */
     private $_dom;
 
     /**
      * @var object WSDL Root XML_Tree_Node
      */
     private $_wsdl;
 
     /**
      * @var string URI where the WSDL will be available
      */
     private $_uri;
 
     /**
      * @var DOMElement
      */
     private $_schema = null;
 
     /**
      * Types defined on schema
      *
      * @var array
      */
     private $_includedTypes = array();
 
     /**
      * Strategy for detection of complex types
      */
     protected $_strategy = null;
 
 
     /**
      * Constructor
      *
      * @param string  $name Name of the Web Service being Described
      * @param string  $uri URI where the WSDL will be available
      * @param boolean|string|Zend_Soap_Wsdl_Strategy_Interface $strategy
      */
     public function __construct($name, $uri, $strategy = true)
     {
         if ($uri instanceof Zend_Uri_Http) {
             $uri = $uri->getUri();
         }
         $this->_uri = $uri;
 
         /**
          * @todo change DomDocument object creation from cparsing to construxting using API
          * It also should authomatically escape $name and $uri values if necessary
          */
         $wsdl = "<?xml version='1.0' ?>
                 <definitions name='$name' targetNamespace='$uri'
                     xmlns='http://schemas.xmlsoap.org/wsdl/'
                     xmlns:tns='$uri'
                     xmlns:soap='http://schemas.xmlsoap.org/wsdl/soap/'
                     xmlns:xsd='http://www.w3.org/2001/XMLSchema'
                     xmlns:soap-enc='http://schemas.xmlsoap.org/soap/encoding/'
                     xmlns:wsdl='http://schemas.xmlsoap.org/wsdl/'></definitions>";
         $this->_dom = new DOMDocument();
         if (!$this->_dom = Zend_Xml_Security::scan($wsdl, $this->_dom)) {
             // require_once 'Zend/Server/Exception.php';
             throw new Zend_Server_Exception('Unable to create DomDocument');
         } 
         $this->_wsdl = $this->_dom->documentElement;
 
         $this->setComplexTypeStrategy($strategy);
     }
 
     /**
      * Set a new uri for this WSDL
      *
      * @param  string|Zend_Uri_Http $uri
      * @return Zend_Server_Wsdl
      */
     public function setUri($uri)
     {
         if ($uri instanceof Zend_Uri_Http) {
             $uri = $uri->getUri();
         }
         $oldUri = $this->_uri;
         $this->_uri = $uri;
 
         if($this->_dom !== null) {
             // @todo: This is the worst hack ever, but its needed due to design and non BC issues of WSDL generation
             $xml = $this->_dom->saveXML();
             $xml = str_replace($oldUri, $uri, $xml);
             $this->_dom = new DOMDocument();
             $this->_dom = Zend_Xml_Security::scan($xml, $this->_dom);
         }
 
         return $this;
     }
 
     /**
      * Set a strategy for complex type detection and handling
      *
      * @todo Boolean is for backwards compability with extractComplexType object var. Remove it in later versions.
      * @param boolean|string|Zend_Soap_Wsdl_Strategy_Interface $strategy
      * @return Zend_Soap_Wsdl
      */
     public function setComplexTypeStrategy($strategy)
     {
         if($strategy === true) {
             // require_once "Zend/Soap/Wsdl/Strategy/DefaultComplexType.php";
             $strategy = new Zend_Soap_Wsdl_Strategy_DefaultComplexType();
         } else if($strategy === false) {
             // require_once "Zend/Soap/Wsdl/Strategy/AnyType.php";
             $strategy = new Zend_Soap_Wsdl_Strategy_AnyType();
         } else if(is_string($strategy)) {
             if(class_exists($strategy)) {
                 $strategy = new $strategy();
             } else {
                 // require_once "Zend/Soap/Wsdl/Exception.php";
                 throw new Zend_Soap_Wsdl_Exception(
                     sprintf("Strategy with name '%s does not exist.", $strategy
                 ));
             }
         }
 
         if(!($strategy instanceof Zend_Soap_Wsdl_Strategy_Interface)) {
             // require_once "Zend/Soap/Wsdl/Exception.php";
             throw new Zend_Soap_Wsdl_Exception("Set a strategy that is not of type 'Zend_Soap_Wsdl_Strategy_Interface'");
         }
         $this->_strategy = $strategy;
         return $this;
     }
 
     /**
      * Get the current complex type strategy
      *
      * @return Zend_Soap_Wsdl_Strategy_Interface
      */
     public function getComplexTypeStrategy()
     {
         return $this->_strategy;
     }
 
     /**
      * Add a {@link http://www.w3.org/TR/wsdl#_messages message} element to the WSDL
      *
      * @param string $name Name for the {@link http://www.w3.org/TR/wsdl#_messages message}
      * @param array $parts An array of {@link http://www.w3.org/TR/wsdl#_message parts}
      *                     The array is constructed like: 'name of part' => 'part xml schema data type'
      *                     or 'name of part' => array('type' => 'part xml schema type')
      *                     or 'name of part' => array('element' => 'part xml element name')
      * @return object The new message's XML_Tree_Node for use in {@link function addDocumentation}
      */
     public function addMessage($name, $parts)
     {
         $message = $this->_dom->createElement('message');
 
         $message->setAttribute('name', $name);
 
         if (sizeof($parts) > 0) {
             foreach ($parts as $name => $type) {
                 $part = $this->_dom->createElement('part');
                 $part->setAttribute('name', $name);
                 if (is_array($type)) {
                     foreach ($type as $key => $value) {
                         $part->setAttribute($key, $value);
                     }
                 } else {
                     $part->setAttribute('type', $type);
                 }
                 $message->appendChild($part);
             }
         }
 
         $this->_wsdl->appendChild($message);
 
         return $message;
     }
 
     /**
      * Add a {@link http://www.w3.org/TR/wsdl#_porttypes portType} element to the WSDL
      *
      * @param string $name portType element's name
      * @return object The new portType's XML_Tree_Node for use in {@link function addPortOperation} and {@link function addDocumentation}
      */
     public function addPortType($name)
     {
         $portType = $this->_dom->createElement('portType');
         $portType->setAttribute('name', $name);
         $this->_wsdl->appendChild($portType);
 
         return $portType;
     }
 
     /**
      * Add an {@link http://www.w3.org/TR/wsdl#_request-response operation} element to a portType element
      *
      * @param object $portType a portType XML_Tree_Node, from {@link function addPortType}
      * @param string $name Operation name
      * @param string $input Input Message
      * @param string $output Output Message
      * @param string $fault Fault Message
      * @return object The new operation's XML_Tree_Node for use in {@link function addDocumentation}
      */
     public function addPortOperation($portType, $name, $input = false, $output = false, $fault = false)
     {
         $operation = $this->_dom->createElement('operation');
         $operation->setAttribute('name', $name);
 
         if (is_string($input) && (strlen(trim($input)) >= 1)) {
             $node = $this->_dom->createElement('input');
             $node->setAttribute('message', $input);
             $operation->appendChild($node);
         }
         if (is_string($output) && (strlen(trim($output)) >= 1)) {
             $node= $this->_dom->createElement('output');
             $node->setAttribute('message', $output);
             $operation->appendChild($node);
         }
         if (is_string($fault) && (strlen(trim($fault)) >= 1)) {
             $node = $this->_dom->createElement('fault');
             $node->setAttribute('message', $fault);
             $operation->appendChild($node);
         }
 
         $portType->appendChild($operation);
 
         return $operation;
     }
 
     /**
      * Add a {@link http://www.w3.org/TR/wsdl#_bindings binding} element to WSDL
      *
      * @param string $name Name of the Binding
      * @param string $type name of the portType to bind
      * @return object The new binding's XML_Tree_Node for use with {@link function addBindingOperation} and {@link function addDocumentation}
      */
     public function addBinding($name, $portType)
     {
         $binding = $this->_dom->createElement('binding');
         $binding->setAttribute('name', $name);
         $binding->setAttribute('type', $portType);
 
         $this->_wsdl->appendChild($binding);
 
         return $binding;
     }
 
     /**
      * Add an operation to a binding element
      *
      * @param object $binding A binding XML_Tree_Node returned by {@link function addBinding}
      * @param array $input An array of attributes for the input element, allowed keys are: 'use', 'namespace', 'encodingStyle'. {@link http://www.w3.org/TR/wsdl#_soap:body More Information}
      * @param array $output An array of attributes for the output element, allowed keys are: 'use', 'namespace', 'encodingStyle'. {@link http://www.w3.org/TR/wsdl#_soap:body More Information}
      * @param array $fault An array of attributes for the fault element, allowed keys are: 'name', 'use', 'namespace', 'encodingStyle'. {@link http://www.w3.org/TR/wsdl#_soap:body More Information}
      * @return object The new Operation's XML_Tree_Node for use with {@link function addSoapOperation} and {@link function addDocumentation}
      */
     public function addBindingOperation($binding, $name, $input = false, $output = false, $fault = false)
     {
         $operation = $this->_dom->createElement('operation');
         $operation->setAttribute('name', $name);
 
         if (is_array($input)) {
             $node = $this->_dom->createElement('input');
             $soap_node = $this->_dom->createElement('soap:body');
             foreach ($input as $name => $value) {
                 $soap_node->setAttribute($name, $value);
             }
             $node->appendChild($soap_node);
             $operation->appendChild($node);
         }
 
         if (is_array($output)) {
             $node = $this->_dom->createElement('output');
             $soap_node = $this->_dom->createElement('soap:body');
             foreach ($output as $name => $value) {
                 $soap_node->setAttribute($name, $value);
             }
             $node->appendChild($soap_node);
             $operation->appendChild($node);
         }
 
         if (is_array($fault)) {
             $node = $this->_dom->createElement('fault');
             /**
              * Note. Do we really need name attribute to be also set at wsdl:fault node???
              * W3C standard doesn't mention it (http://www.w3.org/TR/wsdl#_soap:fault)
              * But some real world WSDLs use it, so it may be required for compatibility reasons.
              */
             if (isset($fault['name'])) {
                 $node->setAttribute('name', $fault['name']);
             }
 
             $soap_node = $this->_dom->createElement('soap:fault');
             foreach ($fault as $name => $value) {
                 $soap_node->setAttribute($name, $value);
             }
             $node->appendChild($soap_node);
             $operation->appendChild($node);
         }
 
         $binding->appendChild($operation);
 
         return $operation;
     }
 
     /**
      * Add a {@link http://www.w3.org/TR/wsdl#_soap:binding SOAP binding} element to a Binding element
      *
      * @param object $binding A binding XML_Tree_Node returned by {@link function addBinding}
      * @param string $style binding style, possible values are "rpc" (the default) and "document"
      * @param string $transport Transport method (defaults to HTTP)
      * @return boolean
      */
     public function addSoapBinding($binding, $style = 'document', $transport = 'http://schemas.xmlsoap.org/soap/http')
     {
         $soap_binding = $this->_dom->createElement('soap:binding');
         $soap_binding->setAttribute('style', $style);
         $soap_binding->setAttribute('transport', $transport);
 
         $binding->appendChild($soap_binding);
 
         return $soap_binding;
     }
 
     /**
      * Add a {@link http://www.w3.org/TR/wsdl#_soap:operation SOAP operation} to an operation element
      *
      * @param object $operation An operation XML_Tree_Node returned by {@link function addBindingOperation}
      * @param string $soap_action SOAP Action
      * @return boolean
      */
     public function addSoapOperation($binding, $soap_action)
     {
         if ($soap_action instanceof Zend_Uri_Http) {
             $soap_action = $soap_action->getUri();
         }
         $soap_operation = $this->_dom->createElement('soap:operation');
         $soap_operation->setAttribute('soapAction', $soap_action);
 
         $binding->insertBefore($soap_operation, $binding->firstChild);
 
         return $soap_operation;
     }
 
     /**
      * Add a {@link http://www.w3.org/TR/wsdl#_services service} element to the WSDL
      *
      * @param string $name Service Name
      * @param string $port_name Name of the port for the service
      * @param string $binding Binding for the port
      * @param string $location SOAP Address for the service
      * @return object The new service's XML_Tree_Node for use with {@link function addDocumentation}
      */
     public function addService($name, $port_name, $binding, $location)
     {
         if ($location instanceof Zend_Uri_Http) {
             $location = $location->getUri();
         }
         $service = $this->_dom->createElement('service');
         $service->setAttribute('name', $name);
 
         $port = $this->_dom->createElement('port');
         $port->setAttribute('name', $port_name);
         $port->setAttribute('binding', $binding);
 
         $soap_address = $this->_dom->createElement('soap:address');
         $soap_address->setAttribute('location', $location);
 
         $port->appendChild($soap_address);
         $service->appendChild($port);
 
         $this->_wsdl->appendChild($service);
 
         return $service;
     }
 
     /**
      * Add a documentation element to any element in the WSDL.
      *
      * Note that the WSDL {@link http://www.w3.org/TR/wsdl#_documentation specification} uses 'document',
      * but the WSDL {@link http://schemas.xmlsoap.org/wsdl/ schema} uses 'documentation' instead.
      * The {@link http://www.ws-i.org/Profiles/BasicProfile-1.1-2004-08-24.html#WSDL_documentation_Element WS-I Basic Profile 1.1} recommends using 'documentation'.
      *
      * @param object $input_node An XML_Tree_Node returned by another method to add the documentation to
      * @param string $documentation Human readable documentation for the node
      * @return DOMElement The documentation element
      */
     public function addDocumentation($input_node, $documentation)
     {
         if ($input_node === $this) {
             $node = $this->_dom->documentElement;
         } else {
             $node = $input_node;
         }
 
         $doc = $this->_dom->createElement('documentation');
         $doc_cdata = $this->_dom->createTextNode(str_replace(array("\r\n", "\r"), "\n", $documentation));
         $doc->appendChild($doc_cdata);
 
         if($node->hasChildNodes()) {
             $node->insertBefore($doc, $node->firstChild);
         } else {
             $node->appendChild($doc);
         }
 
         return $doc;
     }
 
     /**
      * Add WSDL Types element
      *
      * @param object $types A DomDocument|DomNode|DomElement|DomDocumentFragment with all the XML Schema types defined in it
      */
     public function addTypes($types)
     {
         if ($types instanceof DomDocument) {
             $dom = $this->_dom->importNode($types->documentElement);
             $this->_wsdl->appendChild($types->documentElement);
         } elseif ($types instanceof DomNode || $types instanceof DomElement || $types instanceof DomDocumentFragment ) {
             $dom = $this->_dom->importNode($types);
             $this->_wsdl->appendChild($dom);
         }
     }
 
     /**
      * Add a complex type name that is part of this WSDL and can be used in signatures.
      *
      * @param string $type
      * @return Zend_Soap_Wsdl
      */
     public function addType($type)
     {
         if(!in_array($type, $this->_includedTypes)) {
             $this->_includedTypes[] = $type;
         }
         return $this;
     }
 
     /**
      * Return an array of all currently included complex types
      *
      * @return array
      */
     public function getTypes()
     {
         return $this->_includedTypes;
     }
 
     /**
      * Return the Schema node of the WSDL
      *
      * @return DOMElement
      */
     public function getSchema()
     {
         if($this->_schema == null) {
             $this->addSchemaTypeSection();
         }
 
         return $this->_schema;
     }
 
     /**
      * Return the WSDL as XML
      *
      * @return string WSDL as XML
      */
     public function toXML()
     {
            return $this->_dom->saveXML();
     }
 
     /**
      * Return DOM Document
      *
      * @return object DomDocum ent
      */
     public function toDomDocument()
     {
         return $this->_dom;
     }
 
     /**
      * Echo the WSDL as XML
      *
      * @return boolean
      */
     public function dump($filename = false)
     {
         if (!$filename) {
             echo $this->toXML();
             return true;
         } else {
             return file_put_contents($filename, $this->toXML());
         }
     }
 
     /**
      * Returns an XSD Type for the given PHP type
      *
      * @param string $type PHP Type to get the XSD type for
      * @return string
      */
     public function getType($type)
     {
         switch (strtolower($type)) {
             case 'string':
             case 'str':
                 return 'xsd:string';
             case 'long':
                 return 'xsd:long';
             case 'int':
             case 'integer':
                 return 'xsd:int';
             case 'float':
                 return 'xsd:float';
             case 'double':
                 return 'xsd:double';
             case 'boolean':
             case 'bool':
                 return 'xsd:boolean';
             case 'array':
                 return 'soap-enc:Array';
             case 'object':
                 return 'xsd:struct';
             case 'mixed':
                 return 'xsd:anyType';
             case 'void':
                 return '';
             default:
                 // delegate retrieval of complex type to current strategy
                 return $this->addComplexType($type);
             }
     }
 
     /**
      * This function makes sure a complex types section and schema additions are set.
      *
      * @return Zend_Soap_Wsdl
      */
     public function addSchemaTypeSection()
     {
         if ($this->_schema === null) {
             $this->_schema = $this->_dom->createElement('xsd:schema');
             $this->_schema->setAttribute('targetNamespace', $this->_uri);
             $types = $this->_dom->createElement('types');
             $types->appendChild($this->_schema);
             $this->_wsdl->appendChild($types);
         }
         return $this;
     }
 
     /**
      * Add a {@link http://www.w3.org/TR/wsdl#_types types} data type definition
      *
      * @param string $type Name of the class to be specified
      * @return string XSD Type for the given PHP type
      */
     public function addComplexType($type)
     {
         if (in_array($type, $this->getTypes())) {
             return "tns:$type";
         }
         $this->addSchemaTypeSection();
 
         $strategy = $this->getComplexTypeStrategy();
         $strategy->setContext($this);
         // delegates the detection of a complex type to the current strategy
         return $strategy->addComplexType($type);
     }
 
     /**
      * Parse an xsd:element represented as an array into a DOMElement.
      *
      * @param array $element an xsd:element represented as an array
      * @return DOMElement parsed element
      */
     private function _parseElement($element)
     {
         if (!is_array($element)) {
             // require_once "Zend/Soap/Wsdl/Exception.php";
             throw new Zend_Soap_Wsdl_Exception("The 'element' parameter needs to be an associative array.");
         }
 
         $elementXml = $this->_dom->createElement('xsd:element');
         foreach ($element as $key => $value) {
             if (in_array($key, array('sequence', 'all', 'choice'))) {
                 if (is_array($value)) {
                     $complexType = $this->_dom->createElement('xsd:complexType');
                     if (count($value) > 0) {
                         $container = $this->_dom->createElement('xsd:' . $key);
                         foreach ($value as $subelement) {
                             $subelementXml = $this->_parseElement($subelement);
                             $container->appendChild($subelementXml);
                         }
                         $complexType->appendChild($container);
                     }
                     $elementXml->appendChild($complexType);
                 }
             } else {
                 $elementXml->setAttribute($key, $value);
             }
         }
         return $elementXml;
     }
 
     /**
      * Add an xsd:element represented as an array to the schema.
      *
      * Array keys represent attribute names and values their respective value.
      * The 'sequence', 'all' and 'choice' keys must have an array of elements as their value,
      * to add them to a nested complexType.
      *
      * Example: array( 'name' => 'MyElement',
      *                 'sequence' => array( array('name' => 'myString', 'type' => 'string'),
      *                                      array('name' => 'myInteger', 'type' => 'int') ) );
      * Resulting XML: <xsd:element name="MyElement"><xsd:complexType><xsd:sequence>
      *                  <xsd:element name="myString" type="string"/>
      *                  <xsd:element name="myInteger" type="int"/>
      *                </xsd:sequence></xsd:complexType></xsd:element>
      *
      * @param array $element an xsd:element represented as an array
      * @return string xsd:element for the given element array
      */
     public function addElement($element)
     {
         $schema = $this->getSchema();
         $elementXml = $this->_parseElement($element);
         $schema->appendChild($elementXml);
         return 'tns:' . $element['name'];
     }
 }