Configure WebInvocationPrivilegeEvaluator bean for multiple filter chains

Closes gh-10554

web/src/main/java/org/springframework/security/web/access/RequestMatcherDelegatingWebInvocationPrivilegeEvaluator.java

@@ -0,0 +1,122 @@
+/*
+ * Copyright 2002-2021 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
+ *
+ *      https://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.access;
+
+import java.util.Collections;
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.springframework.security.core.Authentication;
+import org.springframework.security.web.FilterInvocation;
+import org.springframework.security.web.util.matcher.RequestMatcherEntry;
+import org.springframework.util.Assert;
+
+/**
+ * A {@link WebInvocationPrivilegeEvaluator} which delegates to a list of
+ * {@link WebInvocationPrivilegeEvaluator} based on a
+ * {@link org.springframework.security.web.util.matcher.RequestMatcher} evaluation
+ *
+ * @author Marcus Da Coregio
+ * @since 5.7
+ */
+public final class RequestMatcherDelegatingWebInvocationPrivilegeEvaluator implements WebInvocationPrivilegeEvaluator {
+
+	private final List<RequestMatcherEntry<List<WebInvocationPrivilegeEvaluator>>> delegates;
+
+	public RequestMatcherDelegatingWebInvocationPrivilegeEvaluator(
+			List<RequestMatcherEntry<List<WebInvocationPrivilegeEvaluator>>> requestMatcherPrivilegeEvaluatorsEntries) {
+		Assert.notNull(requestMatcherPrivilegeEvaluatorsEntries, "requestMatcherPrivilegeEvaluators cannot be null");
+		for (RequestMatcherEntry<List<WebInvocationPrivilegeEvaluator>> entry : requestMatcherPrivilegeEvaluatorsEntries) {
+			Assert.notNull(entry.getRequestMatcher(), "requestMatcher cannot be null");
+			Assert.notNull(entry.getEntry(), "webInvocationPrivilegeEvaluators cannot be null");
+		}
+		this.delegates = requestMatcherPrivilegeEvaluatorsEntries;
+	}
+
+	/**
+	 * Determines whether the user represented by the supplied <tt>Authentication</tt>
+	 * object is allowed to invoke the supplied URI.
+	 * <p>
+	 * Uses the provided URI in the
+	 * {@link org.springframework.security.web.util.matcher.RequestMatcher#matches(HttpServletRequest)}
+	 * for every {@code RequestMatcher} configured. If no {@code RequestMatcher} is
+	 * matched, or if there is not an available {@code WebInvocationPrivilegeEvaluator},
+	 * returns {@code true}.
+	 * @param uri the URI excluding the context path (a default context path setting will
+	 * be used)
+	 * @return true if access is allowed, false if denied
+	 */
+	@Override
+	public boolean isAllowed(String uri, Authentication authentication) {
+		List<WebInvocationPrivilegeEvaluator> privilegeEvaluators = getDelegate(null, uri, null);
+		if (privilegeEvaluators.isEmpty()) {
+			return true;
+		}
+		for (WebInvocationPrivilegeEvaluator evaluator : privilegeEvaluators) {
+			boolean isAllowed = evaluator.isAllowed(uri, authentication);
+			if (!isAllowed) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	/**
+	 * Determines whether the user represented by the supplied <tt>Authentication</tt>
+	 * object is allowed to invoke the supplied URI.
+	 * <p>
+	 * Uses the provided URI in the
+	 * {@link org.springframework.security.web.util.matcher.RequestMatcher#matches(HttpServletRequest)}
+	 * for every {@code RequestMatcher} configured. If no {@code RequestMatcher} is
+	 * matched, or if there is not an available {@code WebInvocationPrivilegeEvaluator},
+	 * returns {@code true}.
+	 * @param uri the URI excluding the context path (a default context path setting will
+	 * be used)
+	 * @param contextPath the context path (may be null, in which case a default value
+	 * will be used).
+	 * @param method the HTTP method (or null, for any method)
+	 * @param authentication the <tt>Authentication</tt> instance whose authorities should
+	 * be used in evaluation whether access should be granted.
+	 * @return true if access is allowed, false if denied
+	 */
+	@Override
+	public boolean isAllowed(String contextPath, String uri, String method, Authentication authentication) {
+		List<WebInvocationPrivilegeEvaluator> privilegeEvaluators = getDelegate(contextPath, uri, method);
+		if (privilegeEvaluators.isEmpty()) {
+			return true;
+		}
+		for (WebInvocationPrivilegeEvaluator evaluator : privilegeEvaluators) {
+			boolean isAllowed = evaluator.isAllowed(contextPath, uri, method, authentication);
+			if (!isAllowed) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	private List<WebInvocationPrivilegeEvaluator> getDelegate(String contextPath, String uri, String method) {
+		FilterInvocation filterInvocation = new FilterInvocation(contextPath, uri, method);
+		for (RequestMatcherEntry<List<WebInvocationPrivilegeEvaluator>> delegate : this.delegates) {
+			if (delegate.getRequestMatcher().matches(filterInvocation.getHttpRequest())) {
+				return delegate.getEntry();
+			}
+		}
+		return Collections.emptyList();
+	}
+
+}

web/src/main/java/org/springframework/security/web/access/intercept/AuthorizationFilter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -67,4 +67,12 @@ public class AuthorizationFilter extends OncePerRequestFilter {
 		return authentication;
 	}
 
+	/**
+	 * Gets the {@link AuthorizationManager} used by this filter
+	 * @return the {@link AuthorizationManager}
+	 */
+	public AuthorizationManager<HttpServletRequest> getAuthorizationManager() {
+		return this.authorizationManager;
+	}
+
 }

web/src/main/java/org/springframework/security/web/debug/DebugFilter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -151,6 +151,10 @@ public final class DebugFilter implements Filter {
 	public void destroy() {
 	}
 
+	public FilterChainProxy getFilterChainProxy() {
+		return this.filterChainProxy;
+	}
+
 	static class DebugRequestWrapper extends HttpServletRequestWrapper {
 
 		private static final Logger logger = new Logger();