Sha256: 8fd51f77fd3ea3bbb7e0c1c8d07d94553b7cdc4c0834e93f8e9d2ec40f6f1967
Contents?: true
Size: 1.76 KB
Versions: 15
Compression:
Stored size: 1.76 KB
Contents
class SiteHub
class HttpHeaders < Hash
HTTP_PREFIX = /^HTTP_/
RACK_HTTP_HEADER_ID = /#{HTTP_PREFIX.source}[A-Z_]+$/
class << self
def from_rack_env(env)
new(format_keys(remove_rack_specific_headers(env.dup)))
end
private
def remove_rack_specific_headers(env)
env.reject do |key, value|
!Constants::RackHttpHeaderKeys::HTTP_HEADER_FILTER_EXCEPTIONS.include?(key.to_s.upcase) &&
(!RACK_HTTP_HEADER_ID.match(key) || !value)
end
end
def format_keys(env)
env.each_with_object({}) do |key_value, hash|
key, value = *key_value
hash[header_name(key)] = value
end
end
def header_name(name)
name.sub(HTTP_PREFIX, EMPTY_STRING).downcase.gsub(UNDERSCORE, HYPHEN)
end
end
include Constants, Constants::HttpHeaderKeys
EXCLUDED_HEADERS = [CONNECTION_HEADER,
KEEP_ALIVE,
PROXY_CONNECTION,
PROXY_AUTHENTICATE,
PROXY_AUTHORIZATION,
TE,
TRAILERS,
TRANSFER_ENCODING,
CONTENT_ENCODING,
UPGRADE].freeze
def initialize(env)
env.each do |key, value|
self[key.to_s.downcase] = value
end
filter_prohibited_headers
end
private
def filter_prohibited_headers
remove_headers(hop_by_hop_headers.concat(EXCLUDED_HEADERS))
end
def hop_by_hop_headers
field = self[CONNECTION_HEADER] || EMPTY_STRING
field.split(COMMA).collect(&:downcase)
end
def remove_headers(excluded)
reject! do |key, _value|
excluded.member?(key)
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems