Class: Webhookdb::Increase

Inherits:
Object
  • Object
show all
Extended by:
MethodUtilities
Includes:
Appydays::Configurable, Appydays::Loggable
Defined in:
lib/webhookdb/increase.rb

Class Method Summary collapse

Methods included from MethodUtilities

attr_predicate, attr_predicate_accessor, singleton_attr_accessor, singleton_attr_reader, singleton_attr_writer, singleton_method_alias, singleton_predicate_accessor, singleton_predicate_reader

Class Method Details

.contains_desired_object(webhook_body, desired_object_name) ⇒ Object

this function interprets webhook contents to assist with filtering webhooks by object type in our increase services



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# File 'lib/webhookdb/increase.rb', line 37

def self.contains_desired_object(webhook_body, desired_object_name)
  object_of_interest = self.find_desired_object_data(webhook_body)
  object_id = object_of_interest["id"]
  return object_id.include?(desired_object_name)
end

.find_desired_object_data(body) ⇒ Object

this helper function finds the relevant object data and helps us avoid repeated code



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# File 'lib/webhookdb/increase.rb', line 32

def self.find_desired_object_data(body)
  return body.fetch("data", body)
end

.webhook_response(request, webhook_secret) ⇒ Object 



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# File 'lib/webhookdb/increase.rb', line 12

def self.webhook_response(request, webhook_secret)
  http_signature = request.env["HTTP_X_BANK_WEBHOOK_SIGNATURE"]

  return Webhookdb::WebhookResponse.error("missing hmac") if http_signature.nil?

  request.body.rewind
  request_data = request.body.read

  computed_signature = OpenSSL::HMAC.hexdigest(OpenSSL::Digest.new("sha256"), webhook_secret, request_data)

  if http_signature != "sha256=" + computed_signature
    # Invalid signature
    self.logger.warn "increase signature verification error"
    return Webhookdb::WebhookResponse.error("invalid hmac")
  end

  return Webhookdb::WebhookResponse.ok
end