package org.springframework.security.performance;
import org.junit.*;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.mock.web.MockFilterChain;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.mock.web.MockHttpSession;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.FilterChainProxy;
import org.springframework.security.web.context.HttpSessionSecurityContextRepository;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.util.StopWatch;
import javax.servlet.http.HttpSession;
import java.util.*;
/**
*
* @author Luke Taylor
* @since 2.0
*/
@ContextConfiguration(locations={"/filter-chain-performance-app-context.xml"})
@RunWith(SpringJUnit4ClassRunner.class)
public class FilterChainPerformanceTests {
// Adjust as required
private static final int N_INVOCATIONS = 1; // 1000
private static final int N_AUTHORITIES = 2; // 200
private static StopWatch sw = new StopWatch("Filter Chain Performance Tests");
private final UsernamePasswordAuthenticationToken user = new UsernamePasswordAuthenticationToken("bob", "bobspassword", createRoles(N_AUTHORITIES));
private HttpSession session;
@Autowired
@Qualifier("fcpMinimalStack")
private FilterChainProxy minimalStack;
@Autowired
@Qualifier("fcpFullStack")
private FilterChainProxy fullStack;
@Before
public void createAuthenticatedSession() {
session = new MockHttpSession();
SecurityContextHolder.getContext().setAuthentication(user);
session.setAttribute(HttpSessionSecurityContextRepository.SPRING_SECURITY_CONTEXT_KEY, SecurityContextHolder.getContext());
SecurityContextHolder.clearContext();
}
@After
public void clearContext() {
SecurityContextHolder.clearContext();
}
@AfterClass
public static void dumpStopWatch() {
System.out.println(sw.prettyPrint());
}
private MockHttpServletRequest createRequest(String url) {
MockHttpServletRequest request = new MockHttpServletRequest();
request.setSession(session);
request.setServletPath(url);
request.setMethod("GET");
return request;
}
private void runWithStack(FilterChainProxy stack) throws Exception {
for(int i = 0; i < N_INVOCATIONS; i++) {
MockHttpServletRequest request = createRequest("/somefile.html");
stack.doFilter(request, new MockHttpServletResponse(), new MockFilterChain());
session = request.getSession();
}
}
@Test
public void minimalStackInvocation() throws Exception {
sw.start("Run with Minimal Filter Stack");
runWithStack(minimalStack);
sw.stop();
}
@Test
public void fullStackInvocation() throws Exception {
sw.start("Run with Full Filter Stack");
runWithStack(fullStack);
sw.stop();
}
/**
* Creates data from 1 to N_AUTHORITIES in steps of 10, performing N_INVOCATIONS for each
*/
@Test
public void provideDataOnScalingWithNumberOfAuthoritiesUserHas() throws Exception {
StopWatch sw = new StopWatch("Scaling with nAuthorities");
for (int user=0; user < N_AUTHORITIES/10; user ++) {
int nAuthorities = user == 0 ? 1 : user*10;
SecurityContextHolder.getContext().setAuthentication(new UsernamePasswordAuthenticationToken("bob", "bobspassword", createRoles(nAuthorities)));
session.setAttribute(HttpSessionSecurityContextRepository.SPRING_SECURITY_CONTEXT_KEY, SecurityContextHolder.getContext());
SecurityContextHolder.clearContext();
sw.start(Integer.toString(nAuthorities) + " authorities");
runWithStack(minimalStack);
System.out.println(sw.shortSummary());
sw.stop();
}
System.out.println(sw.prettyPrint());
}
private List<GrantedAuthority> createRoles(int howMany) {
// This is always the worst case scenario - the required role is ROLE_1, but they are created in reverse order
GrantedAuthority[] roles = new GrantedAuthority[howMany];
for (int i = howMany - 1; i >=0 ; i--) {
roles[i] = new SimpleGrantedAuthority("ROLE_" + i);
}
return Arrays.asList(roles);
}
}