Class: Graphql::Dashboard::Limiters::LimitersController

Inherits:
ApplicationController show all
Includes:
Installable
Defined in:
lib/graphql/dashboard/limiters.rb

Constant Summary collapse

FALLBACK_CSP_NONCE_GENERATOR = 
->(_req) { SecureRandom.hex(32) }

Instance Method Summary collapse

Methods included from Installable

#check_installed

Methods inherited from ApplicationController

#schema_class

Instance Method Details

#show ⇒ Object 



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# File 'lib/graphql/dashboard/limiters.rb', line 10

def show
  name = params[:name]
  @title = case name
  when "runtime"
    "Runtime Limiter"
  when "active_operations"
    "Active Operation Limiter"
  when "mutations"
    "Mutation Limiter"
  else
    raise ArgumentError, "Unknown limiter name: #{name}"
  end

  limiter = limiter_for(name)
  if limiter.nil?
    @install_path = "http://graphql-ruby.org/limiters/#{name}"
  else
    @chart_mode = params[:chart] || "day"
    @current_soft = limiter.soft_limit_enabled?
    @histogram = limiter.dashboard_histogram(@chart_mode)

    # These configs may have already been defined by the application; provide overrides here if not.
    request.content_security_policy_nonce_generator ||= FALLBACK_CSP_NONCE_GENERATOR
    nonce_dirs = request.content_security_policy_nonce_directives || []
    if !nonce_dirs.include?("style-src")
      nonce_dirs += ["style-src"]
      request.content_security_policy_nonce_directives = nonce_dirs
    end
    @csp_nonce = request.content_security_policy_nonce
  end
end

#update ⇒ Object 



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# File 'lib/graphql/dashboard/limiters.rb', line 42

def update
  name = params[:name]
  limiter = limiter_for(name)
  if limiter
    limiter.toggle_soft_limit
    flash[:success] = if limiter.soft_limit_enabled?
      "Enabled soft limiting -- over-limit traffic will be logged but not rejected."
    else
      "Disabled soft limiting -- over-limit traffic will be rejected."
    end
  else
    flash[:warning] = "No limiter configured for #{name.inspect}"
  end

  redirect_to graphql_dashboard.limiters_limiter_path(name, chart: params[:chart])
end