/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.rs.security.oauth2.filters;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Priority;
import javax.ws.rs.Priorities;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerRequestFilter;
import javax.ws.rs.core.Context;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.ClassHelper;
import org.apache.cxf.jaxrs.ext.MessageContext;
import org.apache.cxf.jaxrs.utils.ExceptionUtils;
import org.apache.cxf.rs.security.oauth2.common.OAuthContext;
import org.apache.cxf.rs.security.oauth2.common.OAuthPermission;
import org.apache.cxf.rs.security.oauth2.utils.OAuthContextUtils;
@Priority(Priorities.AUTHENTICATION + 1)
public class OAuthScopesFilter implements ContainerRequestFilter {
private static final Logger LOG = LogUtils.getL7dLogger(OAuthScopesFilter.class);
private static final Set<String> SKIP_METHODS;
static {
SKIP_METHODS = new HashSet<>();
SKIP_METHODS.addAll(Arrays.asList(
new String[] {"wait", "notify", "notifyAll",
"equals", "toString", "hashCode"}));
}
@Context
private MessageContext mc;
private Map<String, List<String>> scopesMap = new HashMap<>();
private Map<String, Boolean> scopesMatchAllMap = new HashMap<>();
private Set<String> confidentialClientMethods = new HashSet<>();
public void setSecuredObject(Object object) {
Class<?> cls = ClassHelper.getRealClass(object);
checkSecureClass(cls);
if (scopesMap.isEmpty()) {
LOG.warning("The scopes map is empty");
} else if (LOG.isLoggable(Level.FINE)) {
for (Map.Entry<String, List<String>> entry : scopesMap.entrySet()) {
LOG.fine("Method: " + entry.getKey() + ", scopes: " + entry.getValue());
}
}
}
protected void checkSecureClass(Class<?> cls) {
if (cls == null || cls == Object.class) {
return;
}
Scopes classScopes = cls.getAnnotation(Scopes.class);
ConfidentialClient classConfClient = cls.getAnnotation(ConfidentialClient.class);
for (Method m : cls.getMethods()) {
if (SKIP_METHODS.contains(m.getName())) {
continue;
}
Scopes methodScopes = m.getAnnotation(Scopes.class);
Scopes theScopes = methodScopes == null ? classScopes : methodScopes;
if (theScopes != null) {
scopesMap.put(m.getName(), Arrays.asList(theScopes.value()));
scopesMatchAllMap.put(m.getName(), theScopes.matchAll());
}
ConfidentialClient mConfClient = m.getAnnotation(ConfidentialClient.class);
if (classConfClient != null || mConfClient != null) {
confidentialClientMethods.add(m.getName());
}
}
checkSecureClass(cls.getSuperclass());
for (Class<?> interfaceCls : cls.getInterfaces()) {
checkSecureClass(interfaceCls);
}
}
@Override
public void filter(ContainerRequestContext requestContext) throws IOException {
Method m = getTargetMethod();
checkClient(m);
checkScopes(m);
}
protected void checkClient(Method m) {
if (confidentialClientMethods.contains(m.getName())) {
OAuthContext context = OAuthContextUtils.getContext(mc);
if (!context.isClientConfidential()) {
LOG.warning("Non confidential client " + context.getClientId()
+ " has attempted to invoke " + m.getName());
throw ExceptionUtils.toForbiddenException(null, null);
}
}
}
protected void checkScopes(Method m) {
List<String> methodScopes = scopesMap.get(m.getName());
if (methodScopes == null) {
return;
}
boolean matchAll = scopesMatchAllMap.get(m.getName());
OAuthContext context = OAuthContextUtils.getContext(mc);
List<String> requestScopes = new LinkedList<String>();
for (OAuthPermission perm : context.getPermissions()) {
if (matchAll) {
requestScopes.add(perm.getPermission());
} else if (methodScopes.contains(perm.getPermission())) {
return;
}
}
if (!requestScopes.containsAll(methodScopes)) {
LOG.warning("Scopes do not match");
throw ExceptionUtils.toForbiddenException(null, null);
}
}
protected Method getTargetMethod() {
Method method = (Method)mc.get("org.apache.cxf.resource.method");
if (method != null) {
return method;
}
throw ExceptionUtils.toForbiddenException(null, null);
}
public void setScopesMap(Map<String, List<String>> scopesMap) {
this.scopesMap = scopesMap;
}
public void setScopesStringMap(Map<String, String> scopesStringMap) {
for (Map.Entry<String, String> entry : scopesStringMap.entrySet()) {
scopesMap.put(entry.getKey(), Arrays.asList(entry.getValue().split(" ")));
}
}
public void setScopesMatchAllMap(Map<String, Boolean> scopesMatchAllMap) {
this.scopesMatchAllMap = scopesMatchAllMap;
}
public void setConfidentialClientMethods(Set<String> confidentialClientMethods) {
this.confidentialClientMethods = confidentialClientMethods;
}
}