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SEC-1718: Update documentation and sample application to demonstrate how to use a PGT to authenticate to stateless services using a PT

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This commit is contained in:
Rob Winch
2011-04-16 19:03:18 -05:00
parent abfa558c3c
commit 01fb4bdb6d
11 changed files with 256 additions and 21 deletions
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7
samples/cas/src/integration-test/groovy/org/springframework/security/samples/cas/CasSampleProxySpec.groovy
View File

@@ -54,6 +54,13 @@ class CasSampleProxySpec extends BaseSpec {
content.contains('<h1>Secure Page</h1>')
}
def 'access proxy ticket sample succeeds with ROLE_USER'() {
when: 'a proxy ticket is used to create another proxy ticket'
def content = getSecured(getBaseUrl()+ProxyTicketSamplePage.url).responseBodyAsString
then: 'The proxy ticket sample page is returned'
content.contains('<h1>Secure Page using a Proxy Ticket</h1>')
}
def 'access extremely secure page with ROLE_USER is denied'() {
when: 'User with ROLE_USER accesses the extremely secure page'
GetMethod method = getSecured(getBaseUrl()+ExtremelySecurePage.url)

7
samples/cas/src/integration-test/groovy/org/springframework/security/samples/cas/CasSampleSpec.groovy
View File

@@ -69,6 +69,13 @@ class CasSampleSpec extends BaseSpec {
at SecurePage
}
def 'access proxy ticket sample with ROLE_USER is allowed'() {
when: 'user with ROLE_USER requests the proxy ticket sample page'
to ProxyTicketSamplePage
then: 'the proxy ticket sample page is displayed'
at ProxyTicketSamplePage
}
def 'access extremely secure page with ROLE_USER is denied'() {
when: 'User with ROLE_USER accesses extremely secure page'
to ExtremelySecurePage

33
samples/cas/src/integration-test/groovy/org/springframework/security/samples/cas/pages/ProxyTicketSamplePage.groovy Normal file
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@@ -0,0 +1,33 @@
/*
* Copyright 2011 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.security.samples.cas.pages;
import geb.*
import org.springframework.security.samples.cas.modules.*
/**
* Represents the proxy ticket sample page within the CAS Sample application.
*
* @author Rob Winch
*/
class ProxyTicketSamplePage extends Page {
static url = "secure/ptSample"
static at = { assert $('h1').text() == 'Secure Page using a Proxy Ticket'; true}
static content = {
navModule { module NavModule }
}
}

79
samples/cas/src/main/java/org/springframework/security/samples/cas/web/ProxyTicketSampleServlet.java Normal file
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@@ -0,0 +1,79 @@
/*
* Copyright 2011 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.security.samples.cas.web;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URLEncoder;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.jasig.cas.client.util.CommonUtils;
import org.springframework.security.cas.authentication.CasAuthenticationToken;
/**
* <p>
* {@link ProxyTicketSampleServlet} demonstrates how to obtain a proxy ticket
* and then use it to make a remote call. To learn how proxy tickets work, see
* the <a href="https://wiki.jasig.org/display/CAS/Proxy+CAS+Walkthrough">Proxy
* CAS Walkthrough</a>
* </p>
*
* @author Rob Winch
*/
public final class ProxyTicketSampleServlet extends HttpServlet {
/**
* This is the URL that will be called and authenticate a proxy ticket.
*/
private String targetUrl;
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// NOTE: The CasAuthenticationToken can also be obtained using SecurityContextHolder.getContext().getAuthentication()
final CasAuthenticationToken token = (CasAuthenticationToken) request.getUserPrincipal();
// proxyTicket could be reused to make calls to to the CAS service even if the target url differs
final String proxyTicket = token.getAssertion().getPrincipal().getProxyTicketFor(targetUrl);
// Make a remote call to ourself. This is a bit silly, but it works well to demonstrate how to use proxy tickets.
final String serviceUrl = targetUrl+"?ticket="+URLEncoder.encode(proxyTicket, "UTF-8");
String proxyResponse = CommonUtils.getResponseFromServer(serviceUrl, "UTF-8");
// modify the response and write it out to inform the user that it was obtained using a proxy ticket.
proxyResponse = proxyResponse.replaceFirst("Secure Page", "Secure Page using a Proxy Ticket");
proxyResponse = proxyResponse.replaceFirst("<p>",
"<p>This page is rendered by "+getClass().getSimpleName()+" by making a remote call to the Secure Page using a proxy ticket ("+proxyTicket+") and inserts this message. ");
final PrintWriter writer = response.getWriter();
writer.write(proxyResponse);
}
/**
* Initialize the target URL. It allows for the host to change based upon
* the "cas.service.host" system property. If the property is not set, the
* default is "localhost:8443".
*/
@Override
public void init() throws ServletException {
super.init();
String casServiceHost = System.getProperty("cas.service.host", "localhost:8443");
targetUrl = "https://"+casServiceHost+"/cas-sample/secure/";
}
private static final long serialVersionUID = -7720161771819727775L;
}

13
samples/cas/src/main/webapp/WEB-INF/applicationContext-security.xml
View File

@@ -57,7 +57,9 @@
<b:bean id="casFilter"
class="org.springframework.security.cas.web.CasAuthenticationFilter"
p:authenticationManager-ref="authManager"
p:serviceProperties-ref="serviceProperties">
p:serviceProperties-ref="serviceProperties"
p:proxyGrantingTicketStorage-ref="pgtStorage"
p:proxyReceptorUrl="/j_spring_cas_security_proxyreceptor">
<b:property name="authenticationDetailsSource">
<b:bean class="org.springframework.security.cas.web.authentication.ServiceAuthenticationDetailsSource"/>
</b:property>
@@ -66,6 +68,11 @@
p:defaultFailureUrl="/casfailed.jsp"/>
</b:property>
</b:bean>
<!--
NOTE: In a real application you should not use an in memory implementation. You will also want
to ensure to clean up expired tickets by calling ProxyGrantingTicketStorage.cleanup()
-->
<b:bean id="pgtStorage" class="org.jasig.cas.client.proxy.ProxyGrantingTicketStorageImpl"/>
<b:bean id="casAuthProvider" class="org.springframework.security.cas.authentication.CasAuthenticationProvider"
p:serviceProperties-ref="serviceProperties"
p:key="casAuthProviderKey">
@@ -78,7 +85,9 @@
<b:property name="ticketValidator">
<b:bean
class="org.jasig.cas.client.validation.Cas20ProxyTicketValidator"
p:acceptAnyProxy="true">
p:acceptAnyProxy="true"
p:proxyCallbackUrl="https://${cas.service.host}/cas-sample/j_spring_cas_security_proxyreceptor"
p:proxyGrantingTicketStorage-ref="pgtStorage">
<b:constructor-arg value="https://${cas.server.host}/cas" />
</b:bean>
</b:property>

9
samples/cas/src/main/webapp/WEB-INF/web.xml
View File

@@ -69,6 +69,15 @@
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>ptSampleServlet</servlet-name>
<servlet-class>org.springframework.security.samples.cas.web.ProxyTicketSampleServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ptSampleServlet</servlet-name>
<url-pattern>/secure/ptSample</url-pattern>
</servlet-mapping>
<error-page>
<error-code>403</error-code>
<location>/403.jsp</location>

1
samples/cas/src/main/webapp/index.jsp
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@@ -6,6 +6,7 @@
<p>Your principal object is....: <%= request.getUserPrincipal() %></p>
<p><a href="secure/index.jsp">Secure page</a></p>
<p><a href="secure/ptSample">Proxy Ticket Sample page</a></p>
<p><a href="secure/extreme/index.jsp">Extremely secure page</a></p>
</body>
</html>

2
samples/cas/src/main/webapp/secure/extreme/index.jsp
View File

@@ -4,6 +4,8 @@
This is a protected page. You can only see me if you are a supervisor.
<p><a href="../../">Home</a>
<p><a href="../../secure/index.jsp">Secure page</a></p>
<p><a href="../../secure/ptSample">Proxy Ticket Sample page</a></p>
<p><a href="../../j_spring_security_logout">Logout</a>
</body>
</html>

8
samples/cas/src/main/webapp/secure/index.jsp
View File

@@ -1,15 +1,15 @@
<html>
<body>
<h1>Secure Page</h1>
This is a protected page. You can get to me if you've been remembered,
or if you've authenticated this session.<br><br>
<p>This is a protected page. You can get to me if you've been remembered,
or if you've authenticated this session.</p>
<%if (request.isUserInRole("ROLE_SUPERVISOR")) { %>
You are a supervisor! You can therefore see the <a href="extreme/index.jsp">extremely secure page</a>.<br><br>
<p>You are a supervisor! You can therefore see the <a href="extreme/index.jsp">extremely secure page</a>.</p>
<% } %>
<p><a href="../">Home</a>
<p><a href="ptSample">Proxy Ticket Sample page</a></p>
<p><a href="../j_spring_security_logout">Logout</a>
</body>
</html>