aboutsummaryrefslogtreecommitdiffstats
path: root/actionpack/lib/action_dispatch/http/mime_type.rb
diff options
context:
space:
mode:
Diffstat (limited to 'actionpack/lib/action_dispatch/http/mime_type.rb')
-rw-r--r--actionpack/lib/action_dispatch/http/mime_type.rb9
1 files changed, 9 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..296a36ad28 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 +222,15 @@ module Mime
attr_reader :hash
+ MIME_NAME = "[a-zA-Z0-9][a-zA-Z0-9#{Regexp.escape('!#$&-^_.+')}]{0,126}"
+ MIME_REGEXP = /\A(?:\*\/\*|#{MIME_NAME}\/(?:\*|#{MIME_NAME}))\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