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Error: Macro TicketQuery(summary=SCRIPTING_ACTIONS_API_R0, format=table, col=summary|owner|status|type|component|priority|effort|importance, rows=description|analysis_owners|analysis_reviewers|analysis_score|design_owners|design_reviewers|design_score|implementation_owners|implementation_reviewers|implementation_score|test_owners|test_reviewers|test_score|) failed

current transaction is aborted, commands ignored until end of transaction block

Analysis

Overview

The goal of this task is to expose the Sophie book's model and Sophie's logic in a user-friendly way to the user.

Generally, there are two use-cases for scripting, which imply some differences in the requirements:

• Scripts used for automation
  • The result of their execution should be undoable, as each other change to the model
• Scripts as link targets
  • They have limited scope - for example, user cannot create a new book with them
  • There's no need to be undoable

Task requirements

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• Security
  • Some scripts can crash the application.
  • Some other scripts can allow crackers to execute malicious code.
  • Solution: Not all Java classes have to be exposed to Sophie scripts.

Task result

• Source code

Implementation idea

• To filter the access to some Java classes:

  context.setClassShutter(new ClassShutter() {
  	@Override
  	public boolean visibleToScripts(String fullClassName) {
  		return fullClassName.startsWith("org.mozilla.javascript");
  	}
  });
  

• The following lines add a global variable out that is a JavaScript reflection of the System.out variable:

  Object wrappedOut = Context.javaToJS(System.out, scope);
  ScriptableObject.putProperty(scope, "out", wrappedOut);
  

Related

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How to demo

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Design

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Implementation

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Testing

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Comments

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