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@jfriedlaender
Forked from ryansch/hooks_controller.rb
Created April 23, 2011 04:37
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Rails 3 Controller for Chargify Webhooks
require 'digest/md5'
class Chargify::HooksController < ApplicationController
protect_from_forgery :except => :dispatch_handler
before_filter :verify, :only => :dispatch_handler
EVENTS = %w[ test signup_success signup_failure renewal_success renewal_failure payment_success payment_failure billing_date_change subscription_state_change subscription_product_change ].freeze
def dispatch_handler
event = params[:event]
unless EVENTS.include? event
render :nothing => true, :status => 404 and return
end
begin
convert_payload
self.send event
rescue Exception => e
notify_hoptoad(e) #If you use hoptoad...
render :nothing => true, :status => 422 and return
end
end
def test
Rails.logger.debug "Chargify Webhook test!"
render :nothing => true, :status => 200
end
def signup_success
render :nothing => true, :status => 200
end
def signup_failure
render :nothing => true, :status => 200
end
def renewal_success
render :nothing => true, :status => 200
end
def renewal_failure
render :nothing => true, :status => 200
end
def payment_success
render :nothing => true, :status => 200
end
def payment_failure
render :nothing => true, :status => 200
end
def billing_date_change
render :nothing => true, :status => 200
end
def subscription_state_change
render :nothing => true, :status => 200
end
def subscription_product_change
render :nothing => true, :status => 200
end
protected
def verify
if params[:signature].nil?
params[:signature] = request.headers["HTTP_X_CHARGIFY_WEBHOOK_SIGNATURE"]
end
unless Digest::MD5::hexdigest(ENV['CHARGIFY_SUBDOMAIN_SHARED_KEY'] + request.raw_post) == params[:signature]
render :nothing => true, :status => :forbidden
end
end
def convert_payload
if params[:payload].has_key? :transaction
@transaction = Chargify::Transaction.new params[:payload][:transaction]
end
if params[:payload].has_key? :subscription
@subscription = Chargify::Subscription.new params[:payload][:subscription]
end
end
end
# to put in the routes.rb file...
# namespace 'chargify' do
# match '/hooks' => "hooks#dispatch_handler", :via => "post"
# end
@gugat
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gugat commented Sep 30, 2011

Also I had to change "MD5::hexdigest" to "Digest::MD5.hexdigest"

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