org.mozilla.javascript.RhinoSecurityManager Maven / Gradle / Ivy
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.javascript;
/**
* A java.lang.SecurityManager subclass that provides access to
* the current top-most script class on the execution stack. This can be used
* to get the class loader or protection domain of the script that triggered
* the current action. It is required for JavaAdapters to have the same
* ProtectionDomain as the script code that created them.
* Embeddings that implement their own SecurityManager can use this as base class.
*/
public class RhinoSecurityManager extends SecurityManager {
/**
* Get the class of the top-most stack element representing a script.
* @return The class of the top-most script in the current stack,
* or null if no script is currently running
*/
protected Class getCurrentScriptClass() {
Class[] context = getClassContext();
for (Class c : context) {
if (c != InterpretedFunction.class && NativeFunction.class.isAssignableFrom(c) ||
PolicySecurityController.SecureCaller.class.isAssignableFrom(c)) {
return c;
}
}
return null;
}
}