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From koushik-das <...@git.apache.org>
Subject [GitHub] cloudstack pull request: CLOUDSTACK-8562: Dynamic Role-Based API C...
Date Wed, 20 Apr 2016 12:43:49 GMT
Github user koushik-das commented on a diff in the pull request:

    https://github.com/apache/cloudstack/pull/1489#discussion_r60399552
  
    --- 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 --
    
    From my reading of the code APIParam is not used in the static role checker. It only looks
for authorized in APICommand annotation which again is not getting used in any existing APIs.


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