authorization-hmac256

Amazon style authorization using HMAC-SHA256 signing.

installation

$ npm install --save authorization-hmac256

options

* service: (STRING) the name of the service, typically acronym like AWS or CWS (Classy Web Services)
* token: (STRING) unique identifier for client making call, like OAuth2 client ID
* secret: (STRING) secret value used for signing

usage

HmacAuthorize.sign(method, path, contentType, body)

``javascript
const request = require('request');
const HmacAuthorize = require('authorization-hmac256')({
service: 'service',
token: 'token',
secret: 'secret'
});

function postSomething(next) {
let method = 'POST';
let resource = '/sample/resource';
let contentType = 'application/json';
let body = {
key: 'value'
};
let authorization = HmacAuthorize.sign(method, resource, contentType, JSON.stringify(body));
request({
url: 'http://api.acme.org',
method,
headers: {
'Content-Type': contentType,
'Authorization': authorization
},
body: JSON.stringify(body)
}, next);
}
``