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iamfast (JavaScript)

🚧 EXPERIMENTAL - WORK IN PROGRESS 🚧

IAM policy generation from application code

Installation

npm i -g iamfast

Usage

iamfast-js yourfile.js

Example

> cat tests/test1.js
// Load the AWS SDK for Node.js
var AWS = require('aws-sdk');
// Set the region 
AWS.config.update({region: 'us-east-1'});

// Create the DynamoDB service object
var ddb = new AWS.DynamoDB({apiVersion: '2012-08-10'});

var params = {
  TableName: 'CUSTOMER_LIST',
  Item: {
    'CUSTOMER_ID' : {N: '001'},
    'CUSTOMER_NAME' : {S: 'Richard Roe'}
  }
};

// Call DynamoDB to add the item to the table
ddb.putItem(params, function(err, data) {
  if (err) {
    console.log("Error", err);
  } else {
    console.log("Success", data);
  }
});

> iamfast-js tests/test1.js
{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": "dynamodb:PutItem",
            "Resource": [
                "arn:aws:dynamodb:us-east-1:123456789012:table/CUSTOMER_LIST"
            ]
        }
    ]
}

Development

Current solution uses acorn parser. The following links could be helpful to visualize parser's output

For the reference ESTree AST types could be found here

Test

the command to run tests