lib/epp_constraint.rb
class EppConstraint
OBJECT_TYPES = {
domain: [
{ domain: Xsd::Schema.filename(for_prefix: 'domain-ee', for_version: '1.1') },
{ domain: Xsd::Schema.filename(for_prefix: 'domain-ee', for_version: '1.2') },
{ domain: Xsd::Schema.filename(for_prefix: 'domain-eis', for_version: '1.0') },
],
contact: { contact: Xsd::Schema.filename(for_prefix: 'contact-ee', for_version: '1.1') },
}.freeze
def initialize(type)
@type = type
end
# creates parsed_frame, detects epp request object
def matches?(request)
# TODO: Maybe move this to controller to keep params clean
return redirect_to_error_controller(request) if request.params[:action] == 'wrong_schema'
request = parse_raw_frame(request) if request.params[:raw_frame]
request = parse_params(request)
unless %i[poll session].include?(@type)
element = "//#{@type}:#{request.params[:action]}"
return enumerate_domain_object(request, element) if @type == :domain
return false if request.params[:nokogiri_frame].xpath(element.to_s, OBJECT_TYPES[@type]).none?
end
request.params[:epp_object_type] = @type
true
end
def parse_raw_frame(request)
request.params[:raw_frame] = request.params[:raw_frame].gsub!(/(?<=>)(.*?)(?=<)/, &:strip)
request
end
def enumerate_domain_object(request, element)
OBJECT_TYPES[@type].each do |obj|
return true unless request.params[:nokogiri_frame].xpath(element.to_s, obj).none?
end
false
end
def parse_params(request)
request.params[:nokogiri_frame] ||= Nokogiri::XML(request.params[:raw_frame] || request.params[:frame])
request.params[:parsed_frame] ||= request.params[:nokogiri_frame].dup.remove_namespaces!
request
end
def redirect_to_error_controller(request)
request.params[:epp_object_type] = @error
true
end
end