Welcome to react-csp 👋

A npm package/plugin that generates Content Security Policy for create-react-app without eject or rewired.

🏠 Homepage

Install

npm install react-csp --save-dev
Or
npm install react-csp -g

Prerequisite

1. Make sure you have nodejs 8+ installed.
2. Your react is generated with create-react-app
3. index.html should be located in public/index.html

Usage

Create a file named either csp.json or csp.js in the root directory of your project.

React folder structure:

root:
  csp.js
  .gitignore
  package.json
  public/index.html
  src/index.js
  rest of the files...

The content in the file should be similar to the following:

csp.js

module.exports = {
  dev: {
  "default-src": ["'self'"],
  "style-src": [
    "'self'",
    "https://*.google.com",
  ]
  },
  prod: {
  "default-src": "'self'",  // can be either a string or an array.
  "style-src": [
    "'self'",
    "https://*.facebook.com",
  ],
  "connect-src": [
    "'self'",
    "https://mybackend.com"
  ]
  }
}

Or csp.json

{
  dev: {
  "default-src": ["'self'"],
  "style-src": [
    "'self'",
    "https://*.google.com",
  ]
  },
  prod: {
  "default-src": "'self'",  // can be either a string or an array.
  "style-src": [
    "'self'",
    "https://*.facebook.com",
  ],
  "connect-src": [
    "'self'",
    "https://mybackend.com"
  ]
  }
}

For more config, please refer to MDN.

For dev environment:

Run react-csp dev in the command line.

For prod environment:

Run react-csp prod in the command line.

The recommented approach is to put the following in your package.json so that CSP in only generated when deploying to production/staging:

{
  "scripts": {
    "build": "react-csp dev && react-scripts build"
  }
}

Run tests

npm run test

Author

👤 YIZHUANG

• Github: @YIZHUANG

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