wso2

1. Enterprise Web
Services With WSO2
WSF/PHP 2.0
Selvaratnam Uthaiyashankar
shankar@wso2.com
September 2008

2. WSO2 Background
 Founded in August 2005 by Leaders in XML and Web
services technologies & standards and open source
 Building complete SOA platform, all 100% open
source
 Founders/ leading contributors to all key Apache
Web Services/SOA Projects
 Provide commercial support, training and services
around the software & solutions
 Global corporation with R&D center in Sri Lanka
and offices in US & UK, totalling 60 + employees

3. What is the problem with the existing
PHP Systems?
Financial System
Content Management
System
Social Networking
System
CRM system

4. What is the problem with the existing
PHP SOAP support?
SAP
SOAP 1.1 .NET
No security
No reliability
No WS-I BP
PHP
Website
No MTOM Binary Secure, Reliable, Binary
No WS-Addressing J2EE
Web Services
CICS
Java

5. What is WSF/PHP?
 A library that allows users to Create and
Consume SOAP and REST Web Services in
PHP
 With full Secure Reliable Interop against
.NET, Java and JEE
 Simple PHP-friendly programming model
$client = new WSClient(array(quot;useMTOMquot; => TRUE,
quot;useSOAPquot; => quot;1.2quot;,
quot;useWSAquot; => TRUE,
quot;policyquot; => $wspolicy,
quot;securityTokenquot; => $sec_token));

6. Comparison with other SOAP libraries
Package Written in WSDL Attachment Security Reliability
PHP5 SOAP Ext C Partial No No No
NuSOAP PHP Yes No No No
SCA with PHP(IBM) PHP Yes No No No
WSO2 WSF/PHP C Yes Yes Yes Yes

7. WSF/PHP Features
 Stability
 Multiple Deployment Models
 Linux
 Windows
 Solaris
 Apache
 IIS
 Tested with Zend Core for stability and functionality

8. WSF/PHP Features (Cont...)
 Comprehensive Support for WS-* Standards
 WS-Addressing
•Version Submission, 1.0
 WS-Security
•Version 1.0, 1.1
•Base security standards mean that messages can be protected using
Encryption, Authentication and Signature
 WS-Trust, WS-SecureConversation
•Version 1.0, 1.3
•Advanced security standards allow single-sign on, more efficient
encryption and more secure deployment
 WS-Policy and WS-SecurityPolicy
•Enables using industry standard XML to configure security
 WS-ReliableMessaging 1.0, 1.1 and WS-RMPolicy
•Enables reliability between PHP and other platforms including
message resending, duplicate detection and persistence

9. WSF/PHP Features (Cont...)
 Support for Contract First And Code First
approaches
 WSDL 1.1 and WSDL 2.0
 SOAP 1.1 and SOAP 1.2
 WSDL Generation support using annotated code.
 Wide coverage of complex schema constructs.
 WSDL2PHP Script to generate client and services for
given WSDL.

10. WSF/PHP Features (Cont...)
 Enterprise Level Security
 Authentication
 Confidentiality
 Integrity
 Non-Repudiation
 Replay Detection

11. WSF/PHP Features (Cont...)
 Binary Data Capability
 Support for Base64, SWA and MTOM
 Secure MTOM support
 MTOM with reliable support
 WSDL Mode API
 Quick and easy API to handle binary with MTOM enabled
WSDLs.
 Caching
 Low Memory footprint for large binary attachments

12. WSF/PHP Features (Cont...)
 Comprehensive Support for REST
 Full REST support (GET, PUT, DELETE, POST) with custom URI
Mapping
 Enables mapping a REST API into PHP easily and naturally
function echoFunction($inMessage) {
$outMessage = new WSMessage($inMessage->str);
return $outMessage;
}
$operations = array(quot;echoStringquot; => quot;echoFunctionquot;);
$restmap = array (quot;echoStringquot;=>array(quot;HTTPMethodquot;=>quot;GETquot;, quot;RESTLocationquot;=> quot;echoStringquot;));
$service = new WSService(array(quot;operationsquot; => $operations, quot;RESTMappingquot;=>$restmap));
$service->reply();

13. WSF/PHP Features (Cont...)
 PHP Data Services
 Multiple database engine support (with PHP PDO extension)
 Nested Query support
 Array based API
 dbs2php converter tool to convert WSAS Java data service XML
configurations to PHP code
 WSDL Generation support
$config = array(quot;dbquot; => quot;mysqlquot;, quot;usernamequot; => quot;rootquot;, quot;passwordquot; => quot;abcquot;, quot;dbnamequot; => quot;dsquot;,
quot;dbhostquot; => quot;localhostquot;);
$inputFormat = array(quot;employeeByNumberquot; => quot;INTquot;);
$outputFormat = array(quot;resultElementquot; => quot;employeesquot;,
quot;rowElementquot; => quot;employeequot;,
quot;elementsquot; => array(quot;last-namequot; => quot;lastNamequot;,
quot;first-namequot; => quot;firstNamequot;,
quot;emailquot; => quot;emailquot;));
$sql = quot;SELECT lastName,firstName,email FROM Employees WHERE employeeNumber=?quot;;
$operations = array(quot;employeesByNumberquot; =>
array(quot;inputFormatquot; => $inputFormat, quot;outputFormatquot; => $outputFormat, quot;sqlquot; => $sql));
$my_data_service = new DataService(array(quot;configquot; => $config, quot;operationsquot; => $operations));
$my_data_service->reply();

14. WSF/PHP Features (Cont...)
 Interoperability
 With .Net and Java
 Messaging
 Binary Data (MTOM)
 WS-Addressing
 WS-Security
 WS-Reliable Messaging

15. WSF/PHP 2.0 improvements
 Improved Stability
 Interoperability
 Better WSDL support
 WS-SecureConversation support
 PKCS support
 Replay attack suppression
 Support for ratified WS-* specifications
 PHP Data Services support
 Improved REST API
 MTOM Caching

16. Customer Examples
 Consuming SaaS from PHP Web applications
 E.g.Betting, Gaming sites
 Governmental and Standards-based work
 Integrating CMS systems (Drupal, Joomla) with
SOA platforms
 Consuming existing third party services
 Exposing CMS functionality as services
 Portal integration with SOA back-ends
 Service enabling PHP legacy applications
 Securingservice oriented applications that require
end-to-end message level security

17. The Traditional PHP Application

18. SOA Solution With WSF/PHP

19. Summary
 A major new release of a popular library
 Adds improved WS-* and REST support
 Improved stability
 Makes it simple to connect PHP to a wider SOA
 New capability to expose Data Services makes
creating services more effective than ever

20. Getting Started
 Oxygen Tank Articles
 PHP Web Services: Getting Started http://wso2.org/library/3032
 PHP Web Services: After Getting Started http://wso2.org/library/3056
 PHP Web Services: Messaging – SOAP and REST http://wso2.org/library/3261
 Writing Simple PHP Test Scripts For PHP Web Services http://wso2.org/library/3579
 WSO2 WSF/PHP Interoperability with Microsoft WCF http://wso2.org/library/3125
 WSO2 WSF/PHP – PHP Web Services Extension http://wso2.org/library/2570
 PHP Web Services with WSDL http://wso2.org/library/3393
 Running WSF/PHP on The Uniform Server http://wso2.org/library/3262
 Installing WSF/PHP with PHP5 on IIS http://wso2.org/library/3465
 How to Setup WSO2 WSF/PHP Build Environment on Windows XP
http://wso2.org/library/tutorials/setup-wso2-wsf-php-build-environment-windows-xp
 WSF/PHP Demo Site
 http://labs.wso2.org/wsf/php
 PHP Web Services Blog
 http://phpwebservices.blogspot.com/