SEC-2859: Add CsrfTokenArgumentResolver

web/src/test/java/org/springframework/security/web/method/annotation/CsrfTokenArgumentResolverTests.java

@@ -0,0 +1,104 @@
+/*
+ * Copyright 2002-2015 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.web.method.annotation;
+
+import static org.fest.assertions.Assertions.assertThat;
+
+import java.lang.reflect.Method;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.springframework.core.MethodParameter;
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.security.web.csrf.CsrfToken;
+import org.springframework.security.web.csrf.DefaultCsrfToken;
+import org.springframework.util.ReflectionUtils;
+import org.springframework.web.bind.support.WebDataBinderFactory;
+import org.springframework.web.context.request.NativeWebRequest;
+import org.springframework.web.context.request.ServletWebRequest;
+import org.springframework.web.method.support.ModelAndViewContainer;
+
+/**
+ *
+ * @author Rob Winch
+ *
+ */
+@RunWith(MockitoJUnitRunner.class)
+public class CsrfTokenArgumentResolverTests {
+    @Mock
+    private ModelAndViewContainer mavContainer;
+    @Mock
+    private WebDataBinderFactory binderFactory;
+
+    private MockHttpServletRequest request;
+    private NativeWebRequest webRequest;
+
+    private CsrfToken token;
+
+    private CsrfTokenArgumentResolver resolver;
+
+    @Before
+    public void setup() {
+        token = new DefaultCsrfToken("X-CSRF-TOKEN", "_csrf", "secret");
+        resolver = new CsrfTokenArgumentResolver();
+        request = new MockHttpServletRequest();
+        webRequest = new ServletWebRequest(request);
+    }
+
+    @Test
+    public void supportsParameterFalse() {
+        assertThat(resolver.supportsParameter(noToken())).isFalse();
+    }
+
+    @Test
+    public void supportsParameterTrue() {
+        assertThat(resolver.supportsParameter(token())).isTrue();
+    }
+
+    @Test
+    public void resolveArgumentNotFound() throws Exception {
+        assertThat(resolver.resolveArgument(token(), mavContainer, webRequest, binderFactory)).isNull();
+    }
+
+    @Test
+    public void resolveArgumentFound() throws Exception {
+        request.setAttribute(CsrfToken.class.getName(), token);
+
+        assertThat(resolver.resolveArgument(token(), mavContainer, webRequest, binderFactory)).isSameAs(token);
+    }
+
+    private MethodParameter noToken() {
+        return getMethodParameter("noToken", String.class);
+    }
+
+    private MethodParameter token() {
+        return getMethodParameter("token", CsrfToken.class);
+    }
+
+    private MethodParameter getMethodParameter(String methodName, Class<?>... paramTypes) {
+        Method method = ReflectionUtils.findMethod(TestController.class, methodName,paramTypes);
+        return new MethodParameter(method,0);
+    }
+
+    public static class TestController {
+        public void noToken(String user) {}
+        public void token(CsrfToken token) {}
+    }
+
+}