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Configures the HTTP Feature-Policy response header to specify which browser features the current document and its iframes can use.

Example global policy:

Rails.application.config.permissions_policy do |policy|
  policy.camera      :none
  policy.gyroscope   :none
  policy.microphone  :none
  policy.usb         :none
  policy.fullscreen  :self
  policy.payment     :self, "https://secure.example.com"
end
Namespace
Methods
B
I
N

Attributes

[R] directives

Class Public methods

new()

# File actionpack/lib/action_dispatch/http/permissions_policy.rb, line 113
def initialize
  @directives = {}
  yield self if block_given?
end

Instance Public methods

build(context = nil)

# File actionpack/lib/action_dispatch/http/permissions_policy.rb, line 132
def build(context = nil)
  build_directives(context).compact.join("; ")
end

initialize_copy(other)

# File actionpack/lib/action_dispatch/http/permissions_policy.rb, line 118
def initialize_copy(other)
  @directives = other.directives.deep_dup
end