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Metadata Bank - API Token Management SDK (Node.js)

This SDK provides two Node.js modules to manage OAuth tokens:

  1. getApiToken.js: Fetches a token from the server and optionally handles retries.
  2. getApiTokenEncrypted.js: Extends the functionality of getApiToken.js by adding encryption and decryption of the token, and saving/loading the token to/from a file.

Prerequisites

  • Node.js 18 or higher.
  • node-fetch library.
  • dotenv library (if using a .env file).
  • Consumer Key, Consumer Secret, OAuth Scope, URL to fetch token

Setup

  1. Clone the repository or download the SDK.
  2. Navigate to the project directory and run npm install to install the dependencies.
  3. Set up your environment variables in a .env file

Environment Variable Setup

You must set the following environment variables for both modules:

  • CONSUMER_KEY: Your consumer key.
  • CONSUMER_SECRET: Your consumer secret.
  • URL: The URL to fetch the token.
  • SCOPE: The scope for the token request.
  • RETRIES: Number of retries for fetching the token (optional).
  • INTERVAL: Interval between retries in milliseconds (optional).

For getApiTokenEncrypted.js, you also need to provide:

  • TOKEN_PATH: The path to the file where the encrypted token will be saved.

You can create a .env file in the root directory to load these variables.

Testing

You can run the tests locally using Jest:

npm test

Usage

Using getApiToken.js

You can import the refreshToken function from getApiToken.js and call it to fetch a token:

const { refreshToken } = require('../src/getApiToken');
const tokenData = await refreshToken();
// Your code here

Using getApiTokenEncrypted.js

This module provides additional functions to encrypt and decrypt data and to save and load encrypted tokens to/from a file:

const { refreshToken } = require('../src/getApiTokenEncrypted');
const tokenData = await refreshToken();
// Your code here

API

For more information, please refer to the Documentation folder in this repository.

Contributing

Feel free to open issues or submit pull requests if you find any problems or have suggestions.

License

These modules are licensed under the GPLv3. Please see the LICENSE file in the root directory for more information.

Author

  • Patrick Roch