diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/http')
-rw-r--r-- | actionpack/lib/action_dispatch/http/mime_type.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/http/mime_type.rb b/actionpack/lib/action_dispatch/http/mime_type.rb index c3e0ea3c89..962d10d81b 100644 --- a/actionpack/lib/action_dispatch/http/mime_type.rb +++ b/actionpack/lib/action_dispatch/http/mime_type.rb @@ -170,6 +170,7 @@ module Mime def parse(accept_header) if !accept_header.include?(",") accept_header = accept_header.split(PARAMETER_SEPARATOR_REGEXP).first + return [] unless accept_header parse_trailing_star(accept_header) || [Mime::Type.lookup(accept_header)].compact else list, index = [], 0 @@ -221,7 +222,18 @@ module Mime attr_reader :hash + MIME_NAME = "[a-zA-Z0-9][a-zA-Z0-9#{Regexp.escape('!#$&-^_.+')}]{0,126}" + MIME_PARAMETER_KEY = "[a-zA-Z0-9][a-zA-Z0-9#{Regexp.escape('!#$&-^_.+')}]{0,126}" + MIME_PARAMETER_VALUE = "#{Regexp.escape('"')}?[a-zA-Z0-9][a-zA-Z0-9#{Regexp.escape('!#$&-^_.+')}]{0,126}#{Regexp.escape('"')}?" + MIME_PARAMETER = "\s*\;\s+#{MIME_PARAMETER_KEY}(?:\=#{MIME_PARAMETER_VALUE})?" + MIME_REGEXP = /\A(?:\*\/\*|#{MIME_NAME}\/(?:\*|#{MIME_NAME})(?:\s*#{MIME_PARAMETER}\s*)*)\z/ + + class InvalidMimeType < StandardError; end + def initialize(string, symbol = nil, synonyms = []) + unless MIME_REGEXP.match?(string) + raise InvalidMimeType, "#{string.inspect} is not a valid MIME type" + end @symbol, @synonyms = symbol, synonyms @string = string @hash = [@string, @synonyms, @symbol].hash |