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read-once

read-once objects for sensitive data.

Purpose

  • Its main purpose is to facilitate detection of unintentional use.
  • It represents a sensitive value or concept.
  • It’s often a domain primitive.
  • Its value can be read once, and once only.
  • It prevents serialization of sensitive data.
  • It prevents subclassing and extension.

Quote from Secure by Design.

Modules

  • ReadOnce: It allow to read at once
  • NoSerializedValue: It disallow to serialize value that is marked as secret.

Install

Install with npm:

npm install read-once

Usage

import { SensitiveValue } from "read-once"
const value = new SensitiveValue("secret");
// Read once 
assert.strictEqual(value.value, "secret");
// When read twice, throw an ReferenceError
assert.throws(() => {
    value.value;
}, ReferenceError);

References

Changelog

See Releases page.

Running tests

Install devDependencies and Run npm test:

npm test

Contributing

Pull requests and stars are always welcome.

For bugs and feature requests, please create an issue.

  1. Fork it!
  2. Create your feature branch: git checkout -b my-new-feature
  3. Commit your changes: git commit -am 'Add some feature'
  4. Push to the branch: git push origin my-new-feature
  5. Submit a pull request :D

Author

License

MIT © azu

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read-once objects for sensitive data.

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