Class: SecureHeaders::XContentTypeOptions

Inherits:
Object
  • Object
show all
Defined in:
lib/secure_headers/headers/x_content_type_options.rb

Constant Summary collapse

HEADER_NAME = 
"X-Content-Type-Options".freeze
DEFAULT_VALUE = 
"nosniff"

Class Method Summary collapse

Class Method Details

.make_header(config = nil, user_agent = nil) ⇒ Object

Public: generate an X-Content-Type-Options header.

Returns a default header if no configuration is provided, or a header name and value based on the config.



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# File 'lib/secure_headers/headers/x_content_type_options.rb', line 14

def make_header(config = nil, user_agent = nil)
  return if config == OPT_OUT
  [HEADER_NAME, config || DEFAULT_VALUE]
end

.validate_config!(config) ⇒ Object

Raises:

  • (TypeError) 


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# File 'lib/secure_headers/headers/x_content_type_options.rb', line 19

def validate_config!(config)
  return if config.nil? || config == OPT_OUT
  raise TypeError.new("Must be a string. Found #{config.class}: #{config}") unless config.is_a?(String)
  unless config.casecmp(DEFAULT_VALUE) == 0
    raise XContentTypeOptionsConfigError.new("Value can only be nil or 'nosniff'")
  end
end