Module: Glib::Analytics::Funnel

Extended by:
ActiveSupport::Concern
Defined in:
app/controllers/concerns/glib/analytics/funnel.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#glib_analytics_feature_referer ⇒ Object 



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# File 'app/controllers/concerns/glib/analytics/funnel.rb', line 33

def glib_analytics_feature_referer
  group = request.headers['GApp-Analytics-Referer-Group']
  action = request.headers['GApp-Analytics-Referer-Action']
  segment = request.headers['GApp-Analytics-Referer-Segment']
  placement = request.headers['GApp-Analytics-Referer-Placement']
  referrer_url = request.headers['referer'] # Notice that the HTTP header uses one "r"
  if group.nil? && action.nil? && !referrer_url.nil?
    current_host = request.host
    # The Referer header is attacker-controlled and may not be a valid URI
    # (scanners send junk like "() { ignored; }; cat /etc/passwd"). Treat an
    # unparseable referer as "no referer" rather than letting URI::InvalidURIError
    # bubble up mid-render, where the 500 rescue then double-renders.
    referrer_host =
      begin
        URI.parse(referrer_url).host
      rescue URI::InvalidURIError
        nil
      end

    # Replace the subdomain portion with regex so it will only match the non-subdomain part.
    # This will allow cross-subdomain referral, but it will not work if the host is a bare domain,
    # which is something that we should avoid doing anyway.
    regex = '^([^\.]*)\.'
    if current_host == referrer_host || !/#{current_host.sub(/#{regex}/, regex)}/.match(referrer_host).nil?
      referrer_url = referrer_url.delete_suffix('/')

      begin
        route = Rails.application.routes.recognize_path(referrer_url)
        group = route[:controller]
        action = route[:action]
      rescue ActionController::RoutingError
        # Do nothing. This may happen when the referrer is from the same domain,
        # but not from the same Rails app.
      end
    end
  end

  if group && action
    return { group: group, action: action, segment: segment, placement: placement }
  end

  nil
end

#glib_analytics_feature_segment ⇒ Object 



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# File 'app/controllers/concerns/glib/analytics/funnel.rb', line 28

def glib_analytics_feature_segment
  # To be overridden
  nil
end

#glib_analytics_included? ⇒ Boolean

# Expose protected method

public  # Override
def policy_scope(*args)
  super
end

end

Returns:

  • (Boolean) 


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# File 'app/controllers/concerns/glib/analytics/funnel.rb', line 24

def glib_analytics_included?
  true
end