Class: Datadog::AppSec::Contrib::Devise::TrackingMiddleware

Inherits:
Object
  • Object
show all
Defined in:
lib/datadog/appsec/contrib/devise/tracking_middleware.rb

Overview

A Rack middleware capable of tracking currently signed user

Constant Summary collapse

WARDEN_KEY = 
'warden'

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ TrackingMiddleware

Returns a new instance of TrackingMiddleware.



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# File 'lib/datadog/appsec/contrib/devise/tracking_middleware.rb', line 14

def initialize(app)
  @app = app
  @devise_session_scope_keys = {}
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/datadog/appsec/contrib/devise/tracking_middleware.rb', line 19

def call(env)
  return @app.call(env) unless AppSec.enabled?
  return @app.call(env) unless Configuration.auto_user_instrumentation_enabled?
  return @app.call(env) unless AppSec.active_context

  unless env.key?(WARDEN_KEY)
    Datadog.logger.debug { 'AppSec: unable to track requests, due to missing warden manager' }
    return @app.call(env)
  end

  context = AppSec.active_context
  if context.trace.nil? || context.span.nil?
    Datadog.logger.debug { 'AppSec: unable to track requests, due to missing trace or span' }
    return @app.call(env)
  end

  id = transform(extract_id(env[WARDEN_KEY]))
  if id
    unless context.span.has_tag?(Ext::TAG_USR_ID)
      context.span[Ext::TAG_USR_ID] = id
      AppSec::Instrumentation.gateway.push(
        'identity.set_user', AppSec::Instrumentation::Gateway::User.new(id, nil)
      )
    end

    context.span[Ext::TAG_DD_USR_ID] = id.to_s
    context.span[Ext::TAG_DD_COLLECTION_MODE] ||= Configuration.auto_user_instrumentation_mode
  end

  @app.call(env)
end