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Default to Xor CSRF tokens in CsrfFilter

Issue gh-11960
Steve Riesenberg 2 年之前
父节点
60aa799498
当前提交
2a2051cd7b
共有 6 个文件被更改，包括 96 次插入 和 56 次删除
分列视图 显示文件统计
  1. 9 2
      config/src/test/java/org/springframework/security/config/annotation/web/configurers/DefaultFiltersTests.java
  2. 24 12
      config/src/test/java/org/springframework/security/config/annotation/web/configurers/DefaultLoginPageConfigurerTests.java
  3. 7 2
      config/src/test/java/org/springframework/security/config/annotation/web/configurers/SessionManagementConfigurerServlet31Tests.java
  4. 8 2
      test/src/test/java/org/springframework/security/test/web/servlet/request/SecurityMockMvcRequestPostProcessorsCsrfTests.java
  5. 1 1
      web/src/main/java/org/springframework/security/web/csrf/CsrfFilter.java
  6. 47 37
      web/src/test/java/org/springframework/security/web/csrf/CsrfFilterTests.java

+ 9 - 2
config/src/test/java/org/springframework/security/config/annotation/web/configurers/DefaultFiltersTests.java
查看文件 

@@ -51,8 +51,11 @@ import org.springframework.security.web.context.SecurityContextHolderFilter;
 
 import org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter;
 
 import org.springframework.security.web.csrf.CsrfFilter;
 
 import org.springframework.security.web.csrf.CsrfToken;
 
+import org.springframework.security.web.csrf.CsrfTokenRepository;
 
+import org.springframework.security.web.csrf.CsrfTokenRequestHandler;
 
 import org.springframework.security.web.csrf.DefaultCsrfToken;
 
 import org.springframework.security.web.csrf.HttpSessionCsrfTokenRepository;
 
+import org.springframework.security.web.csrf.XorCsrfTokenRequestAttributeHandler;
 
 import org.springframework.security.web.header.HeaderWriterFilter;
 
 import org.springframework.security.web.savedrequest.RequestCacheAwareFilter;
 
 import org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter;
 
@@ -121,8 +124,12 @@ public class DefaultFiltersTests {
 
 		MockHttpServletRequest request = new MockHttpServletRequest("POST", "");
 
 		request.setServletPath("/logout");
 
 		CsrfToken csrfToken = new DefaultCsrfToken("X-CSRF-TOKEN", "_csrf", "BaseSpringSpec_CSRFTOKEN");
 
-		new HttpSessionCsrfTokenRepository().saveToken(csrfToken, request, response);
 
-		request.setParameter(csrfToken.getParameterName(), csrfToken.getToken());
 
+		CsrfTokenRepository repository = new HttpSessionCsrfTokenRepository();
 
+		repository.saveToken(csrfToken, request, response);
 
+		CsrfTokenRequestHandler handler = new XorCsrfTokenRequestAttributeHandler();
 
+		handler.handle(request, response, () -> csrfToken);
 
+		CsrfToken token = (CsrfToken) request.getAttribute(CsrfToken.class.getName());
 
+		request.setParameter(token.getParameterName(), token.getToken());
 
 		this.spring.getContext().getBean("springSecurityFilterChain", Filter.class).doFilter(request, response,
 
 				new MockFilterChain());
 
 		assertThat(response.getRedirectedUrl()).isEqualTo("/login?logout");

+ 24 - 12
config/src/test/java/org/springframework/security/config/annotation/web/configurers/DefaultLoginPageConfigurerTests.java
查看文件 

@@ -85,7 +85,9 @@ public class DefaultLoginPageConfigurerTests {
 
 		String csrfAttributeName = HttpSessionCsrfTokenRepository.class.getName().concat(".CSRF_TOKEN");
 
 		// @formatter:off
 
 		this.mvc.perform(get("/login").sessionAttr(csrfAttributeName, csrfToken))
 
-				.andExpect(content().string("<!DOCTYPE html>\n"
 
+				.andExpect((result) -> {
 
+					CsrfToken token = (CsrfToken) result.getRequest().getAttribute(CsrfToken.class.getName());
 
+					assertThat(result.getResponse().getContentAsString()).isEqualTo("<!DOCTYPE html>\n"
 
 						+ "<html lang=\"en\">\n"
 
 						+ "  <head>\n"
 
 						+ "    <meta charset=\"utf-8\">\n"
 
@@ -108,11 +110,12 @@ public class DefaultLoginPageConfigurerTests {
 
 						+ "          <label for=\"password\" class=\"sr-only\">Password</label>\n"
 
 						+ "          <input type=\"password\" id=\"password\" name=\"password\" class=\"form-control\" placeholder=\"Password\" required>\n"
 
 						+ "        </p>\n"
 
-						+ "<input name=\"" + csrfToken.getParameterName() + "\" type=\"hidden\" value=\"" + csrfToken.getToken() + "\" />\n"
 
+						+ "<input name=\"" + token.getParameterName() + "\" type=\"hidden\" value=\"" + token.getToken() + "\" />\n"
 
 						+ "        <button class=\"btn btn-lg btn-primary btn-block\" type=\"submit\">Sign in</button>\n"
 
 						+ "      </form>\n"
 
 						+ "</div>\n"
 
-						+ "</body></html>"));
 
+						+ "</body></html>");
 
+				});
 
 		// @formatter:on
 
 	}
 
 
@@ -131,7 +134,9 @@ public class DefaultLoginPageConfigurerTests {
 
 		// @formatter:off
 
 		this.mvc.perform(get("/login?error").session((MockHttpSession) mvcResult.getRequest().getSession())
 
 				.sessionAttr(csrfAttributeName, csrfToken))
 
-				.andExpect(content().string("<!DOCTYPE html>\n"
 
+				.andExpect((result) -> {
 
+					CsrfToken token = (CsrfToken) result.getRequest().getAttribute(CsrfToken.class.getName());
 
+					assertThat(result.getResponse().getContentAsString()).isEqualTo("<!DOCTYPE html>\n"
 
 						+ "<html lang=\"en\">\n"
 
 						+ "  <head>\n"
 
 						+ "    <meta charset=\"utf-8\">\n"
 
@@ -153,11 +158,12 @@ public class DefaultLoginPageConfigurerTests {
 
 						+ "          <label for=\"password\" class=\"sr-only\">Password</label>\n"
 
 						+ "          <input type=\"password\" id=\"password\" name=\"password\" class=\"form-control\" placeholder=\"Password\" required>\n"
 
 						+ "        </p>\n"
 
-						+ "<input name=\"" + csrfToken.getParameterName() + "\" type=\"hidden\" value=\"" + csrfToken.getToken() + "\" />\n"
 
+						+ "<input name=\"" + token.getParameterName() + "\" type=\"hidden\" value=\"" + token.getToken() + "\" />\n"
 
 						+ "        <button class=\"btn btn-lg btn-primary btn-block\" type=\"submit\">Sign in</button>\n"
 
 						+ "      </form>\n"
 
 						+ "</div>\n"
 
-						+ "</body></html>"));
 
+						+ "</body></html>");
 
+				});
 
 		// @formatter:on
 
 	}
 
 
@@ -180,7 +186,9 @@ public class DefaultLoginPageConfigurerTests {
 
 		String csrfAttributeName = HttpSessionCsrfTokenRepository.class.getName().concat(".CSRF_TOKEN");
 
 		// @formatter:off
 
 		this.mvc.perform(get("/login?logout").sessionAttr(csrfAttributeName, csrfToken))
 
-				.andExpect(content().string("<!DOCTYPE html>\n"
 
+				.andExpect((result) -> {
 
+					CsrfToken token = (CsrfToken) result.getRequest().getAttribute(CsrfToken.class.getName());
 
+					assertThat(result.getResponse().getContentAsString()).isEqualTo("<!DOCTYPE html>\n"
 
 						+ "<html lang=\"en\">\n"
 
 						+ "  <head>\n"
 
 						+ "    <meta charset=\"utf-8\">\n"
 
@@ -203,11 +211,12 @@ public class DefaultLoginPageConfigurerTests {
 
 						+ "          <label for=\"password\" class=\"sr-only\">Password</label>\n"
 
 						+ "          <input type=\"password\" id=\"password\" name=\"password\" class=\"form-control\" placeholder=\"Password\" required>\n"
 
 						+ "        </p>\n"
 
-						+ "<input name=\"" + csrfToken.getParameterName() + "\" type=\"hidden\" value=\"" + csrfToken.getToken() + "\" />\n"
 
+						+ "<input name=\"" + token.getParameterName() + "\" type=\"hidden\" value=\"" + token.getToken() + "\" />\n"
 
 						+ "        <button class=\"btn btn-lg btn-primary btn-block\" type=\"submit\">Sign in</button>\n"
 
 						+ "      </form>\n"
 
 						+ "</div>\n"
 
-						+ "</body></html>"));
 
+						+ "</body></html>");
 
+				});
 
 		// @formatter:on
 
 	}
 
 
@@ -230,7 +239,9 @@ public class DefaultLoginPageConfigurerTests {
 
 		String csrfAttributeName = HttpSessionCsrfTokenRepository.class.getName().concat(".CSRF_TOKEN");
 
 		// @formatter:off
 
 		this.mvc.perform(get("/login").sessionAttr(csrfAttributeName, csrfToken))
 
-				.andExpect(content().string("<!DOCTYPE html>\n"
 
+				.andExpect((result) -> {
 
+					CsrfToken token = (CsrfToken) result.getRequest().getAttribute(CsrfToken.class.getName());
 
+					assertThat(result.getResponse().getContentAsString()).isEqualTo("<!DOCTYPE html>\n"
 
 						+ "<html lang=\"en\">\n"
 
 						+ "  <head>\n"
 
 						+ "    <meta charset=\"utf-8\">\n"
 
@@ -254,11 +265,12 @@ public class DefaultLoginPageConfigurerTests {
 
 						+ "          <input type=\"password\" id=\"password\" name=\"password\" class=\"form-control\" placeholder=\"Password\" required>\n"
 
 						+ "        </p>\n"
 
 						+ "<p><input type='checkbox' name='remember-me'/> Remember me on this computer.</p>\n"
 
-						+ "<input name=\"" + csrfToken.getParameterName() + "\" type=\"hidden\" value=\"" + csrfToken.getToken() + "\" />\n"
 
+						+ "<input name=\"" + token.getParameterName() + "\" type=\"hidden\" value=\"" + token.getToken() + "\" />\n"
 
 						+ "        <button class=\"btn btn-lg btn-primary btn-block\" type=\"submit\">Sign in</button>\n"
 
 						+ "      </form>\n"
 
 						+ "</div>\n"
 
-						+ "</body></html>"));
 
+						+ "</body></html>");
 
+				});
 
 		// @formatter:on
 
 	}

+ 7 - 2
config/src/test/java/org/springframework/security/config/annotation/web/configurers/SessionManagementConfigurerServlet31Tests.java
查看文件 

@@ -39,7 +39,10 @@ import org.springframework.security.web.SecurityFilterChain;
 
 import org.springframework.security.web.context.HttpRequestResponseHolder;
 
 import org.springframework.security.web.context.HttpSessionSecurityContextRepository;
 
 import org.springframework.security.web.csrf.CsrfToken;
 
+import org.springframework.security.web.csrf.CsrfTokenRequestHandler;
 
+import org.springframework.security.web.csrf.DeferredCsrfToken;
 
 import org.springframework.security.web.csrf.HttpSessionCsrfTokenRepository;
 
+import org.springframework.security.web.csrf.XorCsrfTokenRequestAttributeHandler;
 
 
 import static org.assertj.core.api.Assertions.assertThat;
 
 
@@ -82,8 +85,10 @@ public class SessionManagementConfigurerServlet31Tests {
 
 		request.setParameter("username", "user");
 
 		request.setParameter("password", "password");
 
 		HttpSessionCsrfTokenRepository repository = new HttpSessionCsrfTokenRepository();
 
-		CsrfToken token = repository.generateToken(request);
 
-		repository.saveToken(token, request, this.response);
 
+		CsrfTokenRequestHandler handler = new XorCsrfTokenRequestAttributeHandler();
 
+		DeferredCsrfToken deferredCsrfToken = repository.loadDeferredToken(request, this.response);
 
+		handler.handle(request, this.response, deferredCsrfToken::get);
 
+		CsrfToken token = (CsrfToken) request.getAttribute(CsrfToken.class.getName());
 
 		request.setParameter(token.getParameterName(), token.getToken());
 
 		request.getSession().setAttribute("attribute1", "value1");
 
 		loadConfig(SessionManagementDefaultSessionFixationServlet31Config.class);

+ 8 - 2
test/src/test/java/org/springframework/security/test/web/servlet/request/SecurityMockMvcRequestPostProcessorsCsrfTests.java
查看文件 

@@ -40,7 +40,10 @@ import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequ
 
 import org.springframework.security.web.FilterChainProxy;
 
 import org.springframework.security.web.SecurityFilterChain;
 
 import org.springframework.security.web.csrf.CsrfToken;
 
+import org.springframework.security.web.csrf.CsrfTokenRequestHandler;
 
+import org.springframework.security.web.csrf.DeferredCsrfToken;
 
 import org.springframework.security.web.csrf.HttpSessionCsrfTokenRepository;
 
+import org.springframework.security.web.csrf.XorCsrfTokenRequestAttributeHandler;
 
 import org.springframework.test.context.ContextConfiguration;
 
 import org.springframework.test.context.junit.jupiter.SpringExtension;
 
 import org.springframework.test.context.web.WebAppConfiguration;
 
@@ -157,9 +160,12 @@ public class SecurityMockMvcRequestPostProcessorsCsrfTests {
 
 		// @formatter:off
 
 		this.mockMvc.perform(post("/").with(csrf()));
 
 		MockHttpServletRequest request = new MockHttpServletRequest();
 
+		MockHttpServletResponse response = new MockHttpServletResponse();
 
 		HttpSessionCsrfTokenRepository repo = new HttpSessionCsrfTokenRepository();
 
-		CsrfToken token = repo.generateToken(request);
 
-		repo.saveToken(token, request, new MockHttpServletResponse());
 
+		CsrfTokenRequestHandler handler = new XorCsrfTokenRequestAttributeHandler();
 
+		DeferredCsrfToken deferredCsrfToken = repo.loadDeferredToken(request, response);
 
+		handler.handle(request, response, deferredCsrfToken::get);
 
+		CsrfToken token = (CsrfToken) request.getAttribute(CsrfToken.class.getName());
 
 		MockHttpServletRequestBuilder requestWithCsrf = post("/")
 
 			.param(token.getParameterName(), token.getToken())
 
 			.session((MockHttpSession) request.getSession());

+ 1 - 1
web/src/main/java/org/springframework/security/web/csrf/CsrfFilter.java
查看文件 

@@ -87,7 +87,7 @@ public final class CsrfFilter extends OncePerRequestFilter {
 
 
 	private AccessDeniedHandler accessDeniedHandler = new AccessDeniedHandlerImpl();
 
 
-	private CsrfTokenRequestHandler requestHandler = new CsrfTokenRequestAttributeHandler();
 
+	private CsrfTokenRequestHandler requestHandler = new XorCsrfTokenRequestAttributeHandler();
 
 
 	/**
 
 	 * Creates a new instance.

+ 47 - 37
web/src/test/java/org/springframework/security/web/csrf/CsrfFilterTests.java
查看文件 

@@ -130,8 +130,8 @@ public class CsrfFilterTests {
 
 		given(this.tokenRepository.loadDeferredToken(this.request, this.response))
 
 				.willReturn(new TestDeferredCsrfToken(this.token, false));
 
 		this.filter.doFilter(this.request, this.response, this.filterChain);
 
-		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isEqualTo(this.token);
 
-		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isEqualTo(this.token);
 
+		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isNotNull();
 
+		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isNotNull();
 
 		verify(this.deniedHandler).handle(eq(this.request), eq(this.response), any(InvalidCsrfTokenException.class));
 
 		verifyNoMoreInteractions(this.filterChain);
 
 	}
 
@@ -143,8 +143,8 @@ public class CsrfFilterTests {
 
 				.willReturn(new TestDeferredCsrfToken(this.token, false));
 
 		this.request.setParameter(this.token.getParameterName(), this.token.getToken() + " INVALID");
 
 		this.filter.doFilter(this.request, this.response, this.filterChain);
 
-		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isEqualTo(this.token);
 
-		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isEqualTo(this.token);
 
+		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isNotNull();
 
+		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isNotNull();
 
 		verify(this.deniedHandler).handle(eq(this.request), eq(this.response), any(InvalidCsrfTokenException.class));
 
 		verifyNoMoreInteractions(this.filterChain);
 
 	}
 
@@ -156,8 +156,8 @@ public class CsrfFilterTests {
 
 				.willReturn(new TestDeferredCsrfToken(this.token, false));
 
 		this.request.addHeader(this.token.getHeaderName(), this.token.getToken() + " INVALID");
 
 		this.filter.doFilter(this.request, this.response, this.filterChain);
 
-		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isEqualTo(this.token);
 
-		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isEqualTo(this.token);
 
+		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isNotNull();
 
+		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isNotNull();
 
 		verify(this.deniedHandler).handle(eq(this.request), eq(this.response), any(InvalidCsrfTokenException.class));
 
 		verifyNoMoreInteractions(this.filterChain);
 
 	}
 
@@ -168,11 +168,14 @@ public class CsrfFilterTests {
 
 		given(this.requestMatcher.matches(this.request)).willReturn(true);
 
 		given(this.tokenRepository.loadDeferredToken(this.request, this.response))
 
 				.willReturn(new TestDeferredCsrfToken(this.token, false));
 
-		this.request.setParameter(this.token.getParameterName(), this.token.getToken());
 
-		this.request.addHeader(this.token.getHeaderName(), this.token.getToken() + " INVALID");
 
+		CsrfTokenRequestHandler handler = new XorCsrfTokenRequestAttributeHandler();
 
+		handler.handle(this.request, this.response, () -> this.token);
 
+		CsrfToken csrfToken = (CsrfToken) this.request.getAttribute(CsrfToken.class.getName());
 
+		this.request.setParameter(csrfToken.getParameterName(), csrfToken.getToken());
 
+		this.request.addHeader(csrfToken.getHeaderName(), csrfToken.getToken() + " INVALID");
 
 		this.filter.doFilter(this.request, this.response, this.filterChain);
 
-		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isEqualTo(this.token);
 
-		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isEqualTo(this.token);
 
+		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isNotNull();
 
+		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isNotNull();
 
 		verify(this.deniedHandler).handle(eq(this.request), eq(this.response), any(InvalidCsrfTokenException.class));
 
 		verifyNoMoreInteractions(this.filterChain);
 
 	}
 
@@ -183,8 +186,8 @@ public class CsrfFilterTests {
 
 		given(this.tokenRepository.loadDeferredToken(this.request, this.response))
 
 				.willReturn(new TestDeferredCsrfToken(this.token, false));
 
 		this.filter.doFilter(this.request, this.response, this.filterChain);
 
-		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isEqualTo(this.token);
 
-		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isEqualTo(this.token);
 
+		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isNotNull();
 
+		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isNotNull();
 
 		verify(this.filterChain).doFilter(this.request, this.response);
 
 		verifyNoMoreInteractions(this.deniedHandler);
 
 	}
 
@@ -195,8 +198,8 @@ public class CsrfFilterTests {
 
 		given(this.tokenRepository.loadDeferredToken(this.request, this.response))
 
 				.willReturn(new TestDeferredCsrfToken(this.token, true));
 
 		this.filter.doFilter(this.request, this.response, this.filterChain);
 
-		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isEqualTo(this.token);
 
-		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isEqualTo(this.token);
 
+		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isNotNull();
 
+		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isNotNull();
 
 		verify(this.filterChain).doFilter(this.request, this.response);
 
 		verifyNoMoreInteractions(this.deniedHandler);
 
 	}
 
@@ -206,10 +209,13 @@ public class CsrfFilterTests {
 
 		given(this.requestMatcher.matches(this.request)).willReturn(true);
 
 		given(this.tokenRepository.loadDeferredToken(this.request, this.response))
 
 				.willReturn(new TestDeferredCsrfToken(this.token, false));
 
-		this.request.addHeader(this.token.getHeaderName(), this.token.getToken());
 
+		CsrfTokenRequestHandler handler = new XorCsrfTokenRequestAttributeHandler();
 
+		handler.handle(this.request, this.response, () -> this.token);
 
+		CsrfToken csrfToken = (CsrfToken) this.request.getAttribute(CsrfToken.class.getName());
 
+		this.request.addHeader(csrfToken.getHeaderName(), csrfToken.getToken());
 
 		this.filter.doFilter(this.request, this.response, this.filterChain);
 
-		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isEqualTo(this.token);
 
-		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isEqualTo(this.token);
 
+		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isNotNull();
 
+		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isNotNull();
 
 		verify(this.filterChain).doFilter(this.request, this.response);
 
 		verifyNoMoreInteractions(this.deniedHandler);
 
 	}
 
@@ -220,11 +226,14 @@ public class CsrfFilterTests {
 
 		given(this.requestMatcher.matches(this.request)).willReturn(true);
 
 		given(this.tokenRepository.loadDeferredToken(this.request, this.response))
 
 				.willReturn(new TestDeferredCsrfToken(this.token, false));
 
-		this.request.setParameter(this.token.getParameterName(), this.token.getToken() + " INVALID");
 
-		this.request.addHeader(this.token.getHeaderName(), this.token.getToken());
 
+		CsrfTokenRequestHandler handler = new XorCsrfTokenRequestAttributeHandler();
 
+		handler.handle(this.request, this.response, () -> this.token);
 
+		CsrfToken csrfToken = (CsrfToken) this.request.getAttribute(CsrfToken.class.getName());
 
+		this.request.setParameter(csrfToken.getParameterName(), csrfToken.getToken() + " INVALID");
 
+		this.request.addHeader(csrfToken.getHeaderName(), csrfToken.getToken());
 
 		this.filter.doFilter(this.request, this.response, this.filterChain);
 
-		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isEqualTo(this.token);
 
-		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isEqualTo(this.token);
 
+		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isNotNull();
 
+		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isNotNull();
 
 		verify(this.filterChain).doFilter(this.request, this.response);
 
 		verifyNoMoreInteractions(this.deniedHandler);
 
 	}
 
@@ -234,10 +243,13 @@ public class CsrfFilterTests {
 
 		given(this.requestMatcher.matches(this.request)).willReturn(true);
 
 		given(this.tokenRepository.loadDeferredToken(this.request, this.response))
 
 				.willReturn(new TestDeferredCsrfToken(this.token, false));
 
-		this.request.setParameter(this.token.getParameterName(), this.token.getToken());
 
+		CsrfTokenRequestHandler handler = new XorCsrfTokenRequestAttributeHandler();
 
+		handler.handle(this.request, this.response, () -> this.token);
 
+		CsrfToken csrfToken = (CsrfToken) this.request.getAttribute(CsrfToken.class.getName());
 
+		this.request.setParameter(csrfToken.getParameterName(), csrfToken.getToken());
 
 		this.filter.doFilter(this.request, this.response, this.filterChain);
 
-		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isEqualTo(this.token);
 
-		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isEqualTo(this.token);
 
+		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isNotNull();
 
+		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isNotNull();
 
 		verify(this.filterChain).doFilter(this.request, this.response);
 
 		verifyNoMoreInteractions(this.deniedHandler);
 
 		verify(this.tokenRepository, never()).saveToken(any(CsrfToken.class), any(HttpServletRequest.class),
 
@@ -249,10 +261,13 @@ public class CsrfFilterTests {
 
 		given(this.requestMatcher.matches(this.request)).willReturn(true);
 
 		given(this.tokenRepository.loadDeferredToken(this.request, this.response))
 
 				.willReturn(new TestDeferredCsrfToken(this.token, true));
 
-		this.request.setParameter(this.token.getParameterName(), this.token.getToken());
 
+		CsrfTokenRequestHandler handler = new XorCsrfTokenRequestAttributeHandler();
 
+		handler.handle(this.request, this.response, () -> this.token);
 
+		CsrfToken csrfToken = (CsrfToken) this.request.getAttribute(CsrfToken.class.getName());
 
+		this.request.setParameter(csrfToken.getParameterName(), csrfToken.getToken());
 
 		this.filter.doFilter(this.request, this.response, this.filterChain);
 
-		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isEqualTo(this.token);
 
-		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isEqualTo(this.token);
 
+		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isNotNull();
 
+		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isNotNull();
 
 		// LazyCsrfTokenRepository requires the response as an attribute
 
 		assertThat(this.request.getAttribute(HttpServletResponse.class.getName())).isEqualTo(this.response);
 
 		verify(this.filterChain).doFilter(this.request, this.response);
 
@@ -320,8 +335,8 @@ public class CsrfFilterTests {
 
 		given(this.tokenRepository.loadDeferredToken(this.request, this.response))
 
 				.willReturn(new TestDeferredCsrfToken(this.token, false));
 
 		this.filter.doFilter(this.request, this.response, this.filterChain);
 
-		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isEqualTo(this.token);
 
-		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isEqualTo(this.token);
 
+		assertThatCsrfToken(this.request.getAttribute(this.csrfAttrName)).isNotNull();
 
+		assertThatCsrfToken(this.request.getAttribute(CsrfToken.class.getName())).isNotNull();
 
 		assertThat(this.response.getStatus()).isEqualTo(HttpServletResponse.SC_FORBIDDEN);
 
 		verifyNoMoreInteractions(this.filterChain);
 
 	}
 
@@ -371,12 +386,9 @@ public class CsrfFilterTests {
 
 		given(this.requestMatcher.matches(this.request)).willReturn(false);
 
 		given(this.tokenRepository.loadDeferredToken(this.request, this.response))
 
 				.willReturn(new TestDeferredCsrfToken(this.token, false));
 
-		XorCsrfTokenRequestAttributeHandler requestHandler = new XorCsrfTokenRequestAttributeHandler();
 
-		requestHandler.setCsrfRequestAttributeName(this.token.getParameterName());
 
-		this.filter.setRequestHandler(requestHandler);
 
 		this.filter.doFilter(this.request, this.response, this.filterChain);
 
 		assertThat(this.request.getAttribute(CsrfToken.class.getName())).isNotNull();
 
-		assertThat(this.request.getAttribute(this.token.getParameterName())).isNotNull();
 
+		assertThat(this.request.getAttribute("_csrf")).isNotNull();
 
 		verify(this.filterChain).doFilter(this.request, this.response);
 
 		assertThat(this.response.getStatus()).isEqualTo(HttpServletResponse.SC_OK);
 
 
@@ -397,8 +409,6 @@ public class CsrfFilterTests {
 
 		given(this.requestMatcher.matches(this.request)).willReturn(true);
 
 		given(this.tokenRepository.loadDeferredToken(this.request, this.response))
 
 				.willReturn(new TestDeferredCsrfToken(this.token, false));
 
-		XorCsrfTokenRequestAttributeHandler requestHandler = new XorCsrfTokenRequestAttributeHandler();
 
-		this.filter.setRequestHandler(requestHandler);
 
 		this.request.setParameter(this.token.getParameterName(), this.token.getToken());
 
 		this.filter.doFilter(this.request, this.response, this.filterChain);
 
 		verify(this.deniedHandler).handle(eq(this.request), eq(this.response), any(AccessDeniedException.class));
 
@@ -421,7 +431,7 @@ public class CsrfFilterTests {
 
 			throws ServletException, IOException {
 
 		CsrfFilter filter = createCsrfFilter(this.tokenRepository);
 
 		String csrfAttrName = "_csrf";
 
-		CsrfTokenRequestAttributeHandler requestHandler = new CsrfTokenRequestAttributeHandler();
 
+		CsrfTokenRequestAttributeHandler requestHandler = new XorCsrfTokenRequestAttributeHandler();
 
 		requestHandler.setCsrfRequestAttributeName(csrfAttrName);
 
 		filter.setRequestHandler(requestHandler);
 
 		CsrfToken expectedCsrfToken = mock(CsrfToken.class);
 
@@ -432,7 +442,7 @@ public class CsrfFilterTests {
 
 
 		verifyNoInteractions(expectedCsrfToken);
 
 		CsrfToken tokenFromRequest = (CsrfToken) this.request.getAttribute(csrfAttrName);
 
-		assertThatCsrfToken(tokenFromRequest).isEqualTo(expectedCsrfToken);
 
+		assertThatCsrfToken(tokenFromRequest).isNotNull();
 
 	}
 
 
 }