Class: Cyclid::Client::Api::Hmac

Inherits:
Base
  • Object
show all
Defined in:
lib/cyclid/client/api/hmac.rb

Overview

HMAC signed HTTP methods

Instance Method Summary collapse

Methods inherited from Base

#api_delete, #api_get, #api_json_post, #api_json_put, #api_raw_post, #api_request, #api_yaml_post, #initialize, #parse_response

Constructor Details

This class inherits a constructor from Cyclid::Client::Api::Base

Instance Method Details

#authenticate_request(request, uri) ⇒ Object

Sign the request with HMAC



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# File 'lib/cyclid/client/api/hmac.rb', line 27

def authenticate_request(request, uri)
  algorithm = 'sha256'
  signer = Cyclid::HMAC::Signer.new(algorithm)

  method = if request.is_a? Net::HTTP::Get
             'GET'
           elsif request.is_a? Net::HTTP::Post
             'POST'
           elsif request.is_a? Net::HTTP::Put
             'PUT'
           elsif request.is_a? Net::HTTP::Delete
             'DELETE'
           else
             raise "invalid request method #{request.inspect}"
           end

  nonce = SecureRandom.hex
  headers = signer.sign_request(uri.path,
                                @config.secret,
                                auth_header_format: '%<auth_scheme>s %<username>s:%<signature>s', # rubocop:disable Metrics/LineLength
                                username: @config.username,
                                nonce: nonce,
                                method: method)

  headers[0].each do |k, v|
    request[k] = v
  end
  request['X-HMAC-Algorithm'] = algorithm

  return request
end