class SecureHeaders::XFrameOptions
Constants
- ALLOW_ALL
- ALLOW_FROM
- DEFAULT_VALUE
- DENY
- HEADER_NAME
- SAMEORIGIN
- VALID_XFO_HEADER
Public Class Methods
make_header(config = nil, user_agent = nil)
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Public: generate an X-Frame-Options header.
Returns a default header if no configuration is provided, or a header name and value based on the config.
# File lib/secure_headers/headers/x_frame_options.rb, line 18 def make_header(config = nil, user_agent = nil) return if config == OPT_OUT [HEADER_NAME, config || DEFAULT_VALUE] end
validate_config!(config)
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# File lib/secure_headers/headers/x_frame_options.rb, line 23 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 =~ VALID_XFO_HEADER raise XFOConfigError.new("Value must be SAMEORIGIN|DENY|ALLOW-FROM:|ALLOWALL") end end