Class: RailsSameSiteCookie::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_same_site_cookie/middleware.rb

Constant Summary collapse 

"\n".freeze

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/rails_same_site_cookie/middleware.rb', line 8

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rails_same_site_cookie/middleware.rb', line 12

def call(env)
  status, headers, body = @app.call(env)

  regex = RailsSameSiteCookie.configuration.user_agent_regex
  set_cookie = headers['Set-Cookie']
  if (regex.nil? or regex.match(env['HTTP_USER_AGENT'])) and not (set_cookie.nil? or set_cookie.strip == '')
    parser = UserAgentChecker.new(env['HTTP_USER_AGENT'])
    if parser.send_same_site_none?
      cookies = set_cookie.split(COOKIE_SEPARATOR)
      ssl = Rack::Request.new(env).ssl?

      cookies.each do |cookie|
        next if cookie == '' or cookie.nil?
        next if !ssl && parser.chrome? # https://www.chromestatus.com/feature/5633521622188032

        if ssl and not cookie =~ /;\s*secure/i
          cookie << '; Secure'
        end

        unless cookie =~ /;\s*samesite=/i
          cookie << '; SameSite=None'
        end

      end

      headers['Set-Cookie'] = cookies.join(COOKIE_SEPARATOR)
    end
  end

  [status, headers, body]
end