forked from community/device-mgt-core
Amalka Subasinghe
3 years ago
parent
438814eedd
commit
94dd33ffa5
@ -0,0 +1,64 @@
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/*
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* Copyright (c) 2021, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.device.mgt.core.cache;
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import java.util.Objects;
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public class APIResourcePermissionCacheKey {
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private String context;
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private volatile int hashCode;
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public APIResourcePermissionCacheKey(String context) {
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this.context = context;
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}
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public String getContext() {
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return context;
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}
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public void setContext(String context) {
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this.context = context;
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}
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@Override
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public boolean equals(Object obj) {
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if (obj == null) {
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return false;
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}
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if (!APIResourcePermissionCacheKey.class.isAssignableFrom(obj.getClass())) {
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return false;
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}
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final APIResourcePermissionCacheKey other = (APIResourcePermissionCacheKey) obj;
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String thisId = this.context;
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String otherId = other.context;
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if (!thisId.equals(otherId)) {
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return false;
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}
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return true;
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}
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@Override
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public int hashCode() {
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if (hashCode == 0) {
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hashCode = Objects.hash(context);
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}
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return hashCode;
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}
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}
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@ -0,0 +1,31 @@
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/*
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* Copyright (c) 2021, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.device.mgt.core.cache;
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import org.wso2.carbon.device.mgt.common.permission.mgt.Permission;
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import java.util.List;
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public interface APIResourcePermissionCacheManager {
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void addAPIResourcePermissionToCache(APIResourcePermissionCacheKey cacheKey, List<Permission> permissions);
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void updateAPIResourcePermissionInCache(APIResourcePermissionCacheKey cacheKey, List<Permission> permissions);
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List<Permission> getAPIResourceRermissionFromCache(APIResourcePermissionCacheKey cacheKey);
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}
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@ -0,0 +1,84 @@
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/*
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* Copyright (c) 2021, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.device.mgt.core.cache.impl;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.wso2.carbon.device.mgt.common.permission.mgt.Permission;
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import org.wso2.carbon.device.mgt.core.cache.APIResourcePermissionCacheKey;
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import org.wso2.carbon.device.mgt.core.cache.APIResourcePermissionCacheManager;
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import org.wso2.carbon.device.mgt.core.util.DeviceManagerUtil;
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import javax.cache.Cache;
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import java.util.List;
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public class APIResourcePermissionCacheManagerImpl implements APIResourcePermissionCacheManager {
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private static final Log log = LogFactory.getLog(APIResourcePermissionCacheManagerImpl.class);
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private static APIResourcePermissionCacheManagerImpl apiResourceCacgeManager;
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private APIResourcePermissionCacheManagerImpl() {
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}
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public static APIResourcePermissionCacheManagerImpl getInstance() {
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if (apiResourceCacgeManager == null) {
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synchronized (APIResourcePermissionCacheManagerImpl.class) {
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if (apiResourceCacgeManager == null) {
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apiResourceCacgeManager = new APIResourcePermissionCacheManagerImpl();
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}
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}
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}
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return apiResourceCacgeManager;
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}
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@Override
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public void addAPIResourcePermissionToCache(APIResourcePermissionCacheKey cacheKey, List<Permission> permissions) {
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Cache<APIResourcePermissionCacheKey, List<Permission>> lCache = DeviceManagerUtil.getAPIResourcePermissionCache();
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if (lCache != null) {
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if (lCache.containsKey(cacheKey)) {
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this.updateAPIResourcePermissionInCache(cacheKey, permissions);
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} else {
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lCache.put(cacheKey, permissions);
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}
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}
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}
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@Override
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public void updateAPIResourcePermissionInCache(APIResourcePermissionCacheKey cacheKey, List<Permission> permissions) {
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Cache<APIResourcePermissionCacheKey, List<Permission>> lCache = DeviceManagerUtil.getAPIResourcePermissionCache();
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if (lCache != null) {
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if (lCache.containsKey(cacheKey)) {
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lCache.replace(cacheKey, permissions);
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}
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}
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}
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@Override
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public List<Permission> getAPIResourceRermissionFromCache(APIResourcePermissionCacheKey cacheKey) {
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Cache<APIResourcePermissionCacheKey, List<Permission>> lCache = DeviceManagerUtil.getAPIResourcePermissionCache();
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if (lCache != null) {
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return lCache.get(cacheKey);
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}
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return null;
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}
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}
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@ -0,0 +1,30 @@
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package org.wso2.carbon.webapp.authenticator.framework.authorizer;
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/**
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* Created by amalka on 6/26/21.
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*/
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public class MatchingResource {
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private String urlPattern;
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private String permission;
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public MatchingResource(String urlPattern, String permission) {
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this.urlPattern = urlPattern;
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this.permission = permission;
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}
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public String getUrlPattern() {
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return urlPattern;
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}
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public void setUrlPattern(String urlPattern) {
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this.urlPattern = urlPattern;
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}
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public String getPermission() {
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return permission;
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}
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public void setPermission(String permission) {
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this.permission = permission;
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}
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}
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@ -0,0 +1,143 @@
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/*
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* Copyright (c) 2021, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.webapp.authenticator.framework.authorizer;
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import org.apache.catalina.connector.Request;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.wso2.carbon.device.mgt.common.permission.mgt.Permission;
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import org.wso2.carbon.device.mgt.common.permission.mgt.PermissionManagementException;
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import org.wso2.carbon.device.mgt.common.permission.mgt.PermissionManagerService;
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import org.wso2.carbon.device.mgt.core.permission.mgt.PermissionManagerServiceImpl;
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import org.wso2.carbon.webapp.authenticator.framework.AuthenticationException;
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import org.wso2.carbon.webapp.authenticator.framework.AuthenticationFrameworkUtil;
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import org.wso2.carbon.webapp.authenticator.framework.AuthenticationInfo;
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import org.wso2.carbon.webapp.authenticator.framework.authenticator.WebappAuthenticator;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.StringTokenizer;
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public class PermissionAuthorizer {
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private static final Log log = LogFactory.getLog(PermissionAuthorizer.class);
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public static WebappAuthenticator.Status authorize(Request request, AuthenticationInfo authenticationInfo) {
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String requestUri = request.getRequestURI();
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String requestMethod = request.getMethod();
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String context = request.getContextPath();
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if (requestUri == null || requestUri.isEmpty() || requestMethod == null || requestMethod.isEmpty()) {
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return WebappAuthenticator.Status.CONTINUE;
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}
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PermissionManagerService registryBasedPermissionManager =
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PermissionManagerServiceImpl.getInstance();
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List<Permission> matchingPermissions = null;
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try {
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matchingPermissions = registryBasedPermissionManager.getPermission(context);
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} catch (PermissionManagementException e) {
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log.error(
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"Error occurred while fetching the permission for URI : " + requestUri +
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", msg = " + e.getMessage());
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}
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if (matchingPermissions == null) {
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if (log.isDebugEnabled()) {
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log.debug("Permission to request '" + requestUri + "' is not defined in the configuration");
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}
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return WebappAuthenticator.Status.FAILURE;
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}
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String requiredPermission = null;
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List<MatchingResource> matchingResources = new ArrayList<>();
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for (Permission permission : matchingPermissions) {
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if (requestMethod.equals(permission.getMethod()) && requestUri.matches(permission.getUrlPattern())) {
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if (requestUri.equals(permission.getUrl())) { // is there a exact match
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requiredPermission = permission.getPath();
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break;
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} else { // all templated urls add to a list
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matchingResources.add(new MatchingResource(permission.getUrlPattern().replace(context, ""), permission.getPath()));
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}
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}
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}
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if (requiredPermission == null) {
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if (matchingResources.size() == 1) { // only 1 templated url found
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requiredPermission = matchingResources.get(0).getPermission();
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}
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if (matchingResources.size() > 1) { // more than 1 templated urls found
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String urlWithoutContext = requestUri.replace(context, "");
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StringTokenizer st = new StringTokenizer(urlWithoutContext, "/");
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int tokenPosition = 1;
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while (st.hasMoreTokens()) {
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List<MatchingResource> tempList = new ArrayList<>();
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String currentToken = st.nextToken();
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for (MatchingResource matchingResource : matchingResources) {
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StringTokenizer stmr = new StringTokenizer(matchingResource.getUrlPattern(), "/");
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int internalTokenPosition = 1;
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while (stmr.hasMoreTokens()) {
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String internalToken = stmr.nextToken();
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if ((tokenPosition == internalTokenPosition) && currentToken.equals(internalToken)) {
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tempList.add(matchingResource);
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}
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internalTokenPosition++;
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if (tokenPosition < internalTokenPosition) {
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break;
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}
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}
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}
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if (tempList.size() == 1) {
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requiredPermission = tempList.get(0).getPermission();
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break;
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}
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tokenPosition++;
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}
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}
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}
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if (requiredPermission == null) {
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if (log.isDebugEnabled()) {
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log.debug("Matching permission not found for " + requestUri);
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}
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return WebappAuthenticator.Status.FAILURE;
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}
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boolean isUserAuthorized;
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try {
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isUserAuthorized = AuthenticationFrameworkUtil.isUserAuthorized(
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authenticationInfo.getTenantId(), authenticationInfo.getTenantDomain(),
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authenticationInfo.getUsername(), requiredPermission);
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} catch (AuthenticationException e) {
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log.error("Error occurred while retrieving user store. " + e.getMessage());
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return WebappAuthenticator.Status.FAILURE;
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}
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if (isUserAuthorized) {
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return WebappAuthenticator.Status.SUCCESS;
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} else {
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return WebappAuthenticator.Status.FAILURE;
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}
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}
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}
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