diff options
Diffstat (limited to 'activesupport/lib/active_support')
-rw-r--r-- | activesupport/lib/active_support/json/encoding.rb | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/json/encoding.rb b/activesupport/lib/active_support/json/encoding.rb index a50e6524c6..bd2f909ca9 100644 --- a/activesupport/lib/active_support/json/encoding.rb +++ b/activesupport/lib/active_support/json/encoding.rb @@ -122,7 +122,13 @@ module ActiveSupport if string.respond_to?(:force_encoding) string = string.encode(::Encoding::UTF_8, :undef => :replace).force_encoding(::Encoding::BINARY) end - json = string.gsub(escape_regex) { |s| ESCAPED_CHARS[s] } + json = string. + gsub(escape_regex) { |s| ESCAPED_CHARS[s] }. + gsub(/([\xC0-\xDF][\x80-\xBF]| + [\xE0-\xEF][\x80-\xBF]{2}| + [\xF0-\xF7][\x80-\xBF]{3})+/nx) { |s| + s.unpack("U*").pack("n*").unpack("H*")[0].gsub(/.{4}/n, '\\\\u\&') + } json = %("#{json}") json.force_encoding(::Encoding::UTF_8) if json.respond_to?(:force_encoding) json |