class VerifyNexmoSignature::Middleware

Public Class Methods

new(app) click to toggle source
# File lib/verify_nexmo_signature/middleware.rb, line 4
def initialize(app)
  @app = app
end

Public Instance Methods

call(env) click to toggle source
# File lib/verify_nexmo_signature/middleware.rb, line 8
def call(env)
  req = ::Rack::Request.new(env)
  if req.post?
    params = req.params.dup 
    verify = nexmo_client
    if verify.check(params)
      @app.call(env)
    else
      [403, {}, ['']]
    end
  else
    @app.call(env)
  end
end

Private Instance Methods

nexmo_client() click to toggle source
# File lib/verify_nexmo_signature/middleware.rb, line 25
def nexmo_client
  if ENV['NEXMO_API_SIGNATURE']
    verify = Nexmo::Signature.new(
      ENV['NEXMO_API_SIGNATURE']
    )
  elsif defined?(Rails) && Rails.application.credentials.nexmo
    verify = Nexmo::Signature.new(
      Rails.application.credentials.nexmo[:api_signature]
    )
  end
  verify
end