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31 changes: 31 additions & 0 deletions
31
...src/main/java/org/apache/synapse/mediators/bsf/access/control/AccessControlConstants.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| /* | ||
| * Copyright (c) 2024, WSO2 LLC. (http://www.wso2.com). | ||
| * | ||
| * WSO2 LLC. 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.synapse.mediators.bsf.access.control; | ||
|
|
||
| /** | ||
| * Constants related to Script Mediator access control. | ||
| */ | ||
| public class AccessControlConstants { | ||
| public static String LIMIT_CLASS_ACCESS_PREFIX = "limit_java_class_access_in_scripts."; | ||
| public static String LIMIT_NATIVE_OBJECT_ACCESS_PREFIX = "limit_java_native_object_access_in_scripts."; | ||
| public static String ENABLE = "enable"; | ||
| public static String LIST_TYPE = "list_type"; | ||
| public static String CLASS_PREFIXES = "class_prefixes"; | ||
| public static String OBJECT_NAMES = "object_names"; | ||
| } |
66 changes: 66 additions & 0 deletions
66
...ons/src/main/java/org/apache/synapse/mediators/bsf/access/control/AccessControlUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /* | ||
| * Copyright (c) 2024, WSO2 LLC. (http://www.wso2.com). | ||
| * | ||
| * WSO2 LLC. 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.synapse.mediators.bsf.access.control; | ||
|
|
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| import org.apache.synapse.mediators.bsf.access.control.config.AccessControlConfig; | ||
| import org.apache.synapse.mediators.bsf.access.control.config.AccessControlListType; | ||
|
|
||
| import java.util.Comparator; | ||
| import java.util.List; | ||
|
|
||
| /** | ||
| * Utility methods related to Script Mediator access control. | ||
| */ | ||
| public class AccessControlUtils { | ||
|
|
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| /** | ||
| * Returns whether the provided string which represents a Java class or native object is accessible or not. | ||
| * The allowing/blocking will be determined by the provided AccessControlConfig, based on the matching/comparing | ||
| * done as specified in the comparator. | ||
| * @param string Java class name or native object name. | ||
| * @param accessControlConfig Access control config of the Script Mediator. | ||
| * @param comparator The comparator based on which, the provided Java class/native object name is | ||
| * matched against the provided access control config. | ||
| * @return Whether the access is allowed or not. | ||
| */ | ||
| public static boolean isAccessAllowed(String string, AccessControlConfig accessControlConfig, | ||
| Comparator<String> comparator) { | ||
| if (accessControlConfig == null || !accessControlConfig.isAccessControlEnabled()) { | ||
| return true; // Access control is not applicable | ||
| } | ||
|
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| List<String> accessControlList = accessControlConfig.getAccessControlList(); | ||
| boolean doesMatchExist = false; | ||
| for (String item : accessControlList) { | ||
| if (comparator.compare(string, item) > -1) { | ||
| doesMatchExist = true; | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| if (accessControlConfig.getAccessControlListType() == AccessControlListType.BLOCK_LIST) { | ||
| return !doesMatchExist; | ||
| } | ||
| if (accessControlConfig.getAccessControlListType() == AccessControlListType.ALLOW_LIST) { | ||
| return doesMatchExist; | ||
| } | ||
| return true; // Ideally we won't reach here | ||
| } | ||
| } | ||
|
|
42 changes: 42 additions & 0 deletions
42
.../src/main/java/org/apache/synapse/mediators/bsf/access/control/SandboxContextFactory.java
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| @@ -0,0 +1,42 @@ | ||
| /* | ||
| * Copyright (c) 2024, WSO2 LLC. (http://www.wso2.com). | ||
| * | ||
| * WSO2 LLC. 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.synapse.mediators.bsf.access.control; | ||
|
|
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| import org.apache.synapse.mediators.bsf.access.control.config.AccessControlConfig; | ||
| import org.mozilla.javascript.Context; | ||
| import org.mozilla.javascript.ContextFactory; | ||
|
|
||
| /** | ||
| * Represents the sandbox context factory - which is used with access control of the Script Mediator. | ||
| */ | ||
| public class SandboxContextFactory extends ContextFactory { | ||
| private AccessControlConfig nativeObjectAccessControlConfig; | ||
|
|
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| public SandboxContextFactory(AccessControlConfig nativeObjectAccessControlConfig) { | ||
| this.nativeObjectAccessControlConfig = nativeObjectAccessControlConfig; | ||
| } | ||
|
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| @Override | ||
| protected Context makeContext() { | ||
| Context cx = super.makeContext(); | ||
| cx.setWrapFactory(new SandboxWrapFactory(nativeObjectAccessControlConfig)); | ||
| return cx; | ||
| } | ||
| } | ||
|
|
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