disco.php

PHP 知识管理系统（基于树结构的知识管理系统）, 英文原版的PHP源码。

<?php
/**
 * This file contains the code for the DISCO server, providing DISO and WSDL
 * services.
 *
 * PHP versions 4 and 5
 *
 * LICENSE: This source file is subject to version 2.02 of the PHP license,
 * that is bundled with this package in the file LICENSE, and is available at
 * through the world-wide-web at http://www.php.net/license/2_02.txt.  If you
 * did not receive a copy of the PHP license and are unable to obtain it
 * through the world-wide-web, please send a note to [e-mail] so we can
 * mail you a copy immediately.
 *
 * @category   Web Services
 * @package    SOAP
 * @author     Dmitri Vinogradov <[e-mail]>
 * @author     Chuck Hagenbuch <[e-mail]>
 * @author     Jan Schneider <[e-mail]>
 * @copyright  2003-2005 The PHP Group
 * @license    http://www.php.net/license/2_02.txt  PHP License 2.02
 * @link       http://pear.php.net/package/SOAP
 */

require_once 'SOAP/Base.php';

class SOAP_DISCO_Server extends SOAP_Base_Object {

    var $namespaces     = array(SCHEMA_WSDL => 'wsdl', SCHEMA_SOAP => 'soap');
    var $import_ns      = array();
    var $wsdl           = '';
    var $disco          = '';
    var $_wsdl          = array();
    var $_disco         = array();
    var $_service_name  = '';
    var $_service_ns    = '';
    var $_service_desc  = '';
    var $_portname      = '';
    var $_bindingname   = '';
    var $soap_server    = NULL;


    function SOAP_DISCO_Server($soap_server, $service_name, $service_desc = '',
                               $import_ns = null)
    {
        parent::SOAP_Base_Object('Server');

        if ( !is_object($soap_server)
            || !get_class($soap_server) == 'soap_server') return;

        $this->_service_name = $service_name;
        $this->_service_ns = "urn:$service_name";
        $this->_service_desc = $service_desc;
        $this->import_ns = isset($import_ns) ? $import_ns : $this->import_ns;
        $this->soap_server = $soap_server;
        $this->host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'localhost';
    }

    function getDISCO()
    {
        $this->_generate_DISCO();
        return $this->disco;
    }

    function getWSDL()
    {
        $this->_generate_WSDL();
        return $this->wsdl;
    }

    function _generate_DISCO()
    {
        // DISCO
        $this->_disco['disco:discovery']['attr']['xmlns:disco'] = SCHEMA_DISCO;
        $this->_disco['disco:discovery']['attr']['xmlns:scl'] = SCHEMA_DISCO_SCL;
        $this->_disco['disco:discovery']['scl:contractRef']['attr']['ref'] =
            (array_key_exists('HTTPS', $_SERVER) && $_SERVER['HTTPS'] == 'on')
            ? 'https://' . $this->host . $_SERVER['PHP_SELF'] . '?wsdl'
            : 'http://'  . $this->host . $_SERVER['PHP_SELF'] . '?wsdl';

        // generate disco xml
        $this->_generate_DISCO_XML($this->_disco);
    }

    function _generate_WSDL()
    {
        // WSDL
        if (is_array($this->soap_server->_namespaces)) {
            // need to get: typens, xsd & SOAP-ENC
            $flipped = array_flip($this->soap_server->_namespaces);
            $this->namespaces[$this->_service_ns] = 'tns';
            $this->namespaces[$flipped['xsd']] = 'xsd';
            $this->namespaces[$flipped['SOAP-ENC']] = 'SOAP-ENC';
        }

        // DEFINITIONS
        $this->_wsdl['definitions']['attr']['name'] = $this->_service_name;
        $this->_wsdl['definitions']['attr']['targetNamespace'] = $this->_service_ns;
        foreach ($this->namespaces as $ns => $prefix) {
            $this->_wsdl['definitions']['attr']['xmlns:' . $prefix] = $ns;
        }
        $this->_wsdl['definitions']['attr']['xmlns'] = SCHEMA_WSDL;

        // Import namespaces. Seems to not work yet: wsdl.exe fom .NET can't
        // handle imported complete wsdl-definitions.
        if (count($this->import_ns)) {
            $i = 0;
            foreach ($this->import_ns as $_ns => $_location) {
                $this->_wsdl['definitions']['import'][$i]['attr']['location'] = $_location;
                $this->_wsdl['definitions']['import'][$i]['attr']['namespace'] = $_ns;
                $i++;
            }
        }
        $this->_wsdl['definitions']['types']['attr']['xmlns']='http://schemas.xmlsoap.org/wsdl/';
        $this->_wsdl['definitions']['types']['schema']=array();

        // Placeholder for messages
        $this->_wsdl['definitions']['message'] = array();

        // PORTTYPE-NAME
        $this->_portname = $this->_service_name . 'Port';
        $this->_wsdl['definitions']['portType']['attr']['name'] = $this->_portname;

        // BINDING-NAME
        $this->_bindingname = $this->_service_name . 'Binding';
        $this->_wsdl['definitions']['binding']['attr']['name'] = $this->_bindingname;
        $this->_wsdl['definitions']['binding']['attr']['type'] = 'tns:' . $this->_portname;
        $this->_wsdl['definitions']['binding']['soap:binding']['attr']['style'] = 'rpc';
        $this->_wsdl['definitions']['binding']['soap:binding']['attr']['transport'] = SCHEMA_SOAP_HTTP;

        // SERVICE
        $this->_wsdl['definitions']['service']['attr']['name'] = $this->_service_name . 'Service';
        $this->_wsdl['definitions']['service']['documentation']['attr'] = '';
        $this->_wsdl['definitions']['service']['documentation'] = htmlentities($this->_service_desc);
        $this->_wsdl['definitions']['service']['port']['attr']['name'] = $this->_portname;
        $this->_wsdl['definitions']['service']['port']['attr']['binding'] = 'tns:' . $this->_bindingname;
        $this->_wsdl['definitions']['service']['port']['soap:address']['attr']['location'] =
            (array_key_exists('HTTPS', $_SERVER) && $_SERVER['HTTPS'] == 'on')
            ? 'https://' . $this->host . $_SERVER['PHP_SELF']
            : 'http://'  . $this->host . $_SERVER['PHP_SELF'];

        //
        $dispatch_keys = array_keys($this->soap_server->dispatch_objects);
        $dc = count($dispatch_keys);
        for ($di = 0; $di < $dc; $di++) {
            $namespace = $dispatch_keys[$di];
            $namespace_objects =& $this->soap_server->dispatch_objects[$namespace];
            $oc = count($namespace_objects);
            for ($oi = 0; $oi < $oc; $oi++) {
                $object = $namespace_objects[$oi];
                // types definitions
                $this->addSchemaFromMap($object->__typedef);
                // MESSAGES
                $this->addMethodsFromMap($object->__dispatch_map, $namespace, get_class($object));
            }
        }
        if (isset($server->dispatch_map)) {
            $this->addMethodsFromMap($server->dispatch_map, $namespace);
        }

        // generate wsdl
        $this->_generate_WSDL_XML();
    }

    function &_getSchema($namespace)
    {
        // SCHEMA
        $c = count($this->_wsdl['definitions']['types']['schema']);
        for($i = 0; $i < $c; $i++) {
            if ($this->_wsdl['definitions']['types']['schema'][$i]['attr']['targetNamespace'] == $namespace) {
                return $this->_wsdl['definitions']['types']['schema'][$i];
            }
        }

        // don't have this namespace
        $schema = array();
        $schema['attr'] = array();
        $schema['complexType'] = array();
        $schema['attr']['xmlns'] = array_search('xsd',$this->namespaces);
        $schema['attr']['targetNamespace'] = $namespace;
        $this->_wsdl['definitions']['types']['schema'][] =& $schema;

        return $schema;
    }

    function addSchemaFromMap(&$map)
    {
        if (!$map) {
            return;
        }

        foreach ($map as $_type_name => $_type_def) {
            list($typens,$type) = $this->_getTypeNs($_type_name);