Github user bhaisaab commented on a diff in the pull request:
https://github.com/apache/cloudstack/pull/1489#discussion_r60386634
--- Diff:
plugins/acl/dynamic-role-based/src/org/apache/cloudstack/acl/DynamicRoleBasedAPIAccessChecker.java
---
@@ -0,0 +1,166 @@
+// 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.cloudstack.acl;
+
+import com.cloud.exception.PermissionDeniedException;
+import com.cloud.user.Account;
+import com.cloud.user.AccountService;
+import com.cloud.user.User;
+import com.cloud.utils.component.AdapterBase;
+import com.cloud.utils.component.PluggableService;
+import com.google.common.base.Strings;
+import org.apache.cloudstack.api.APICommand;
+
+import javax.ejb.Local;
+import javax.inject.Inject;
+import javax.naming.ConfigurationException;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+@Local(value = APIChecker.class)
+public class DynamicRoleBasedAPIAccessChecker extends AdapterBase
implements APIChecker {
+
+ @Inject
+ private AccountService accountService;
+ @Inject
+ private RoleService roleService;
+
+ private List<PluggableService> services;
+ private Map<RoleType, Set<String>> annotationRoleBasedApisMap = new
HashMap<>();
+
+ protected DynamicRoleBasedAPIAccessChecker() {
+ super();
+ for (RoleType roleType : RoleType.values()) {
+ annotationRoleBasedApisMap.put(roleType, new
HashSet<String>());
+ }
+ }
+
+ private void denyApiAccess(final String commandName) throws
PermissionDeniedException {
+ throw new PermissionDeniedException("The API does not exist or is
blacklisted for the account's role. " +
+ "The account with is not allowed to request the api: " +
commandName);
+ }
+
+ private boolean checkPermission(final List <? extends RolePermission>
permissions, final RolePermission.Permission permissionToCheck, final String
commandName) {
+ if (permissions == null) {
+ return false;
+ }
+ for (final RolePermission permission : permissions) {
+ if (permission.getPermission() != permissionToCheck) {
+ continue;
+ }
+ final String rule = permission.getRule();
+ if (rule.contains("*")) {
+ if (commandName.matches(rule.replace("*", "\\w*"))) {
+ return true;
+ }
+ } else {
+ if (commandName.equals(rule)) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ public boolean isDisabled() {
+ return !roleService.isEnabled();
+ }
+
+ @Override
+ public boolean checkAccess(User user, String commandName) throws
PermissionDeniedException {
+ if (isDisabled()) {
+ return true;
+ }
+ Account account = accountService.getAccount(user.getAccountId());
+ if (account == null) {
+ throw new PermissionDeniedException("The account id=" +
user.getAccountId() + "for user id=" + user.getId() + "is null");
+ }
+
+ final Role accountRole = roleService.findRole(account.getRoleId());
+ if (accountRole == null || accountRole.getId() < 1L) {
+ denyApiAccess(commandName);
+ }
+
+ // Allow all APIs for root admins
+ if (accountRole.getRoleType() == RoleType.Admin &&
accountRole.getId() == RoleType.Admin.getId()) {
+ return true;
+ }
+
+ final List<RolePermission> rolePermissions =
roleService.findAllPermissionsBy(accountRole.getId());
+
+ // Check for allow rules
+ if (checkPermission(rolePermissions,
RolePermission.Permission.ALLOW, commandName)) {
--- End diff --
@koushik-das if you want to override the default set in API annotations
we'll need deny permissions there it is needed. For example, let's say api
deleteXyz has an authorized field in @APIParam set to {RoleType.Admin} i.e all
admin type account allowed to run this API and if we want some role (of admin
role type) to be denied this API we'll need a deny rule check before the
annotations are checked.
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