Petals Documentation > Petals ESB > Petals Components > Components Use Cases > Use Cases for Petals-BC-SOAP

Use Cases for Petals-BC-SOAP

This document contains all the use cases related to the Petals-BC-SOAP component.
Use cases are ordered by their complexity, from the most simple to the most complex ones.

Simple Use Cases

Securing a service running into Petals using 2-Way SSL and WS-Security

This use case runs with the Petals BC SOAP 4.0.9+

The goal of this use-case is to show you that it is possible to mixed SSL and WS-Security to secure an internal endpoint as a webservice using several certificats:

  • a transport certificate identifying the webservice client,
  • a transport certificate to crypt the communication between the serveur and the client,
  • a message certificate to sign the message sent by the client and to warranty its integrity,
  • a message certificate to crypt the SOAP body content,
  • a user name and a password to identify the user of the client,
  • a time-stamp to avoid request re-injection.

So, it is needed to have the following key stores:

  • a key store 'client': keystore-clt.jks (password: keystoreclt), containing:
    • the private keys of the client,
    • the public keys of the serveur
  • a key store 'server': keystore-srv.jks (password: keystoresrv), containing:
    • the private key used to crypt the SOAP body content,
    • the public key of the client used to sign
  • a specific key store 'ssl': keystore-srv-ssl.jks (password: keystoresrv), containing:
    • the SSL private key of the server
    • the SSL public key of the client

The private keys of the client (symetrically, public keys of the server) are:

  • 'sslclt': the private key identifying the client at SSL level (2-way SSL), password: 'keystoreclt',
  • 'wsseclt-sign': the private key to sign the message, password: 'keystoreclt'.

The private keys of the server (symetrically, public keys of the server) are:

  • 'sslsrv': the private key to crypt the communication between the server and the client, password: 'pwsslsrv',
  • 'wsseclt-crypt': the private key to crypt the message, password: 'keystoresrv'.
Although encrypted message is generated by the client, the private key is located on the server side.
to simplify the use-case, all keys are auto-signed.
the version of the SoapUI used as client needs to have keys with the same password than their keystore.

Creation of keys and key stores

Creation of private keys

Open a command shell and go into the directory $PETALS_HOME/https. $PETALS_HOME/https is not a directory provided by Petals, it is used by this tutorial, so don't forget to create it manually.

  • Creation and auto-sign of the private key 'sslclt': 
    keytool -genkey -validity 731 -keystore keystore-clt.jks -storepass keystoreclt -storetype JKS -keyalg RSA -alias sslclt -keypass keystoreclt -dname "CN=SSL Client, OU=PetalsLink, O=EBM, L=Nice, ST=AM, C=FR"
keytool -selfcert -validity 731 -keystore keystore-clt.jks -storetype JKS -storepass keystoreclt -alias sslclt -keypass keystoreclt
  • Creation and auto-sign of the private key 'wsseclt-sign': 
    keytool -genkey -validity 731 -keystore keystore-clt.jks -storepass keystoreclt -storetype JKS -keyalg RSA -alias wsseclt-sign -keypass keystoreclt -dname "CN=WSSE Signature, OU=PetalsLink, O=EBM, L=Nice, ST=AM, C=FR"
keytool -selfcert -validity 731 -keystore keystore-clt.jks -storetype JKS -storepass keystoreclt -alias wsseclt-sign -keypass keystoreclt
  • Creation and auto-sign of the private key 'wsseclt-crypt': 
    keytool -genkey -validity 731 -keystore keystore-srv.jks -storepass keystoresrv -storetype JKS -keyalg RSA -alias wsseclt-crypt -keypass keystoresrv -dname "CN=WSSE Encryption-In, OU=EBM, O=Capgemini, L=Nice, ST=AM, C=FR"
keytool -selfcert -validity 721 -keystore keystore-srv.jks -storetype JKS -storepass keystoresrv -alias wsseclt-crypt -keypass keystoresrv
  • Creation and auto-sign of the private key 'sslsrv': 
    keytool -genkey -validity 731 -keystore keystore-srv-ssl.jks -storepass keystoresrv -storetype JKS -keyalg RSA -alias sslsrv -keypass pwsslsrv -dname "CN=SSL Server, OU=PetalsLink, O=EBM, L=Nice, ST=AM, C=FR"
keytool -selfcert -validity 721 -keystore keystore-srv-ssl.jks -storetype JKS -storepass keystoresrv -alias sslsrv -keypass pwsslsrv

Generation and export/import of public keys

  • Export/Import of public key 'sslclt': 
    keytool -export -keystore keystore-clt.jks -storetype JKS -storepass keystoreclt -alias sslclt -file sslclt.crt
keytool -import -keystore keystore-srv-ssl.jks -storetype JKS -storepass keystoresrv -alias sslclt -file sslclt.crt
  • Export/Import of public key 'wsseclt-sign': 
    keytool -export -keystore keystore-clt.jks -storetype JKS -storepass keystoreclt -alias wsseclt-sign -file wsseclt-sign.crt
keytool -import -keystore keystore-srv.jks -storetype JKS -storepass keystoresrv -alias wsseclt-sign -file wsseclt-sign.crt
  • Export/Import of public key 'wsseclt-crypt': 
    keytool -export -keystore keystore-srv.jks -storetype JKS -storepass keystoresrv -alias wsseclt-crypt -file wsseclt-crypt.crt
keytool -import -keystore keystore-clt.jks -storetype JKS -storepass keystoreclt -alias wsseclt-crypt -file wsseclt-crypt.crt
  • Export/Import of public key 'sslsrv': 
    keytool -export -keystore keystore-srv-ssl.jks -storetype JKS -storepass keystoresrv -alias sslsrv  -file sslsrv.crt
keytool -import -keystore keystore-clt.jks -storetype JKS -storepass keystoreclt -alias sslsrv  -file sslsrv.crt

Creation of the service unit

Using the Petals Studio, create a service unit to deploy on the BC SOAP and consume your service.
Next update its JBI descriptor to add the right configuration of the WS-Security:

<?xml version="1.0" encoding="UTF-8"?>
<jbi:jbi version="1.0" 
	xmlns:generatedNs="http://InformationDeProduction.cirtil.cer69.recouv/InformationDeProduction.wsdl"
	xmlns:jbi="http://java.sun.com/xml/ns/jbi"
	xmlns:petalsCDK="http://petals.ow2.org/components/extensions/version-5"
	xmlns:soap="http://petals.ow2.org/components/soap/version-4"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 
	<jbi:services binding-component="true">
		<jbi:consumes
			interface-name="generatedNs:InformationDeProductionPortType"
			service-name="generatedNs:InformationDeProductionService"
			endpoint-name="InformationDeProductionPort">
 
			<!-- CDK specific elements -->
			<petalsCDK:timeout>30000</petalsCDK:timeout>
			<petalsCDK:mep xsi:nil="true" />
 
			<!-- Component specific elements -->	
			<soap:service-name>InformationDeProductionServiceSSLandWSSE</soap:service-name>
			<soap:mode>SOAP</soap:mode>
			<soap:enable-http-transport>false</soap:enable-http-transport>
			<soap:enable-https-transport>true</soap:enable-https-transport>
			<soap:enable-jms-transport>false</soap:enable-jms-transport>
			<soap:modules>rampart</soap:modules>
            		<soap:service-parameters>
				<![CDATA[
					<parameter name="InflowSecurity">
						<action>
							<items>Signature Encrypt Timestamp UsernameToken</items>
							<user>wsseclt-id</user>
							<passwordCallbackClass>org.ow2.petals.test.PWCBHandler</passwordCallbackClass>
							<userCertAlias>wsseclt-sign</userCertAlias>
							<signaturePropFile>service.properties</signaturePropFile>
							<decryptionPropFile>service.properties</decryptionPropFile>
						</action>
					</parameter>
				]]>                
			</soap:service-parameters>
		</jbi:consumes>
	</jbi:services>
</jbi:jbi>

Add the properties file 'service.properties' under the directory 'jbi' and containing:

org.apache.ws.security.crypto.provider=org.apache.ws.security.components.crypto.Merlin
org.apache.ws.security.crypto.merlin.keystore.type=jks
org.apache.ws.security.crypto.merlin.keystore.password=keystoresrv
org.apache.ws.security.crypto.merlin.file=../https/keystore-srv.jks

Add the class 'PWCBHandler' as password callback:

public class PWCBHandler implements CallbackHandler {
 
    public void handle (Callback[] callbacks) throws IOException, UnsupportedCallbackException {
 
        for (int i = 0; i < callbacks.length; i++) {
        	WSPasswordCallback pwcb = (WSPasswordCallback)callbacks[i];
            String id = pwcb.getIdentifer();
            if (id.equals("wsseclt-id")) {
            	pwcb.setPassword("pwwsseid");
            }
            else if (id.equals("wsseclt-crypt")) {
            	pwcb.setPassword("keystoresrv");
            }
        }
    }
}

Running the use case

Launch a freshly installed Petals ESB.
Install the Petals BC SOAP enabling SSL through the component parameters:

  • https-enabled = true
  • https-port = 8083
  • https-keystore-type = JKS
  • https-keystore-file = ../https/keystore-srv-ssl.jks
  • https-keystore-password = keystoresrv
  • https-key-password = pwsslsrv
  • https-client-authentication-enabled = true

Deploy your SU.
Use SoapUI to invoke your secured service !

Complex Use Cases

These use cases involve several Petals components including the Petals-BC-SOAP component.

Page: A Web Service to transform Excel files into XML files

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