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authorRafael Mendonça França <rafaelmfranca@gmail.com>2013-05-10 14:40:35 -0300
committerRafael Mendonça França <rafaelmfranca@gmail.com>2013-05-10 14:40:35 -0300
commite4ec944eacbb58ed682614cb3271dc58e4d71b52 (patch)
tree44cf76e435636bc907934133c07ee89056eafb92
parent1f11dbf0b4dacede0da1be1a0675e501d1b0fced (diff)
parent9d6a5b44320bb4655cf7b633668fed1ab8ddcac2 (diff)
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Merge branch 'fix-json-encoding'
This is the compination of #10057 and 10534. Closes #10320
-rw-r--r--activesupport/CHANGELOG.md6
-rw-r--r--activesupport/lib/active_support/json/encoding.rb13
-rw-r--r--activesupport/test/json/encoding_test.rb4
3 files changed, 18 insertions, 5 deletions
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
index 2e04b17e78..7c666a9b83 100644
--- a/activesupport/CHANGELOG.md
+++ b/activesupport/CHANGELOG.md
@@ -1,3 +1,9 @@
+* Added escaping of U+2028 and U+2029 inside the json encoder.
+ These characters are legal in JSON but break the Javascript interpreter.
+ After escaping them, the JSON is still legal and can be parsed by Javascript.
+
+ *Mario Caropreso + Viktor Kelemen + zackham*
+
* Fix skipping object callbacks using metadata fetched via callback chain
inspection methods (`_*_callbacks`)
diff --git a/activesupport/lib/active_support/json/encoding.rb b/activesupport/lib/active_support/json/encoding.rb
index 9bf1ea35b3..7f8b41d218 100644
--- a/activesupport/lib/active_support/json/encoding.rb
+++ b/activesupport/lib/active_support/json/encoding.rb
@@ -1,3 +1,5 @@
+#encoding: us-ascii
+
require 'active_support/core_ext/object/to_json'
require 'active_support/core_ext/module/delegation'
require 'active_support/json/variable'
@@ -98,13 +100,18 @@ module ActiveSupport
"\010" => '\b',
"\f" => '\f',
"\n" => '\n',
+ "\xe2\x80\xa8" => '\u2028',
+ "\xe2\x80\xa9" => '\u2029',
"\r" => '\r',
"\t" => '\t',
'"' => '\"',
'\\' => '\\\\',
'>' => '\u003E',
'<' => '\u003C',
- '&' => '\u0026' }
+ '&' => '\u0026',
+ "#{0xe2.chr}#{0x80.chr}#{0xa8.chr}" => '\u2028',
+ "#{0xe2.chr}#{0x80.chr}#{0xa9.chr}" => '\u2029',
+ }
class << self
# If true, use ISO 8601 format for dates and times. Otherwise, fall back
@@ -121,9 +128,9 @@ module ActiveSupport
def escape_html_entities_in_json=(value)
self.escape_regex = \
if @escape_html_entities_in_json = value
- /[\x00-\x1F"\\><&]/
+ /\xe2\x80\xa8|\xe2\x80\xa9|[\x00-\x1F"\\><&]/
else
- /[\x00-\x1F"\\]/
+ /\xe2\x80\xa8|\xe2\x80\xa9|[\x00-\x1F"\\]/
end
end
diff --git a/activesupport/test/json/encoding_test.rb b/activesupport/test/json/encoding_test.rb
index 8686dcf929..106a7fb522 100644
--- a/activesupport/test/json/encoding_test.rb
+++ b/activesupport/test/json/encoding_test.rb
@@ -45,8 +45,8 @@ class TestJSONEncoding < ActiveSupport::TestCase
StringTests = [[ 'this is the <string>', %("this is the \\u003Cstring\\u003E")],
[ 'a "string" with quotes & an ampersand', %("a \\"string\\" with quotes \\u0026 an ampersand") ],
[ 'http://test.host/posts/1', %("http://test.host/posts/1")],
- [ "Control characters: \x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f",
- %("Control characters: \\u0000\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007\\b\\t\\n\\u000B\\f\\r\\u000E\\u000F\\u0010\\u0011\\u0012\\u0013\\u0014\\u0015\\u0016\\u0017\\u0018\\u0019\\u001A\\u001B\\u001C\\u001D\\u001E\\u001F") ]]
+ [ "Control characters: \x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\342\200\250\342\200\251",
+ %("Control characters: \\u0000\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007\\b\\t\\n\\u000B\\f\\r\\u000E\\u000F\\u0010\\u0011\\u0012\\u0013\\u0014\\u0015\\u0016\\u0017\\u0018\\u0019\\u001A\\u001B\\u001C\\u001D\\u001E\\u001F\\u2028\\u2029") ]]
ArrayTests = [[ ['a', 'b', 'c'], %([\"a\",\"b\",\"c\"]) ],
[ [1, 'a', :b, nil, false], %([1,\"a\",\"b\",null,false]) ]]