Sha256: 24523605a326b1ef80bc5e8e9c57d387a64a5c7e9115873279cc69fbcfdcb18c
Contents?: true
Size: 1.6 KB
Versions: 16
Compression:
Stored size: 1.6 KB
Contents
# frozen_string_literal: true
require 'json'
module Trusona
module Api
#
## A HMAC message suitable for authorization to the Trusona API
class HashedMessage
def initialize(params = {})
validate(params)
@method = params[:method]
@body = params[:body]
@content_type = params[:content_type]
@path = params[:path]
@date = params[:date]
@secret = Trusona.config.secret
@token = Trusona.config.token
end
def auth_header
"TRUSONA #{@token}:#{signature}"
end
def signature
Base64.strict_encode64(
OpenSSL::HMAC.hexdigest(
OpenSSL::Digest::SHA256.new, @secret, prepare_data
)
)
end
private
def body_digest
digestable_body = ''
digestable_body = @body unless @body.nil? || @body.empty?
OpenSSL::Digest::MD5.new.hexdigest(digestable_body)
end
def invalid_param?(param)
param.nil?
end
def invalid_method?(method)
http_methods = %w[GET POST DELETE PATCH PUT]
return true if invalid_param?(method)
return true unless http_methods.include?(method.strip.upcase)
end
def prepare_data
data = [
@method.to_s,
body_digest,
@content_type,
@date,
@path
]
data.join("\n")
end
def validate(params)
raise ArgumentError if invalid_method?(params[:method])
raise ArgumentError if invalid_param?(params[:path])
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems