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-rw-r--r--activesupport/lib/active_support/core_ext/module/delegation.rb6
-rw-r--r--activesupport/lib/active_support/inflector/transliterate.rb9
-rw-r--r--activesupport/lib/active_support/parameter_filter.rb7
-rw-r--r--activesupport/lib/active_support/secure_compare_rotator.rb52
4 files changed, 66 insertions, 8 deletions
diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb
index 54271a3970..14d7f0c484 100644
--- a/activesupport/lib/active_support/core_ext/module/delegation.rb
+++ b/activesupport/lib/active_support/core_ext/module/delegation.rb
@@ -276,6 +276,11 @@ class Module
# The delegated method must be public on the target, otherwise it will
# raise +DelegationError+. If you wish to instead return +nil+,
# use the <tt>:allow_nil</tt> option.
+ #
+ # The <tt>marshal_dump</tt> and <tt>_dump</tt> methods are exempt from
+ # delegation due to possible interference when calling
+ # <tt>Marshal.dump(object)</tt>, should the delegation target method
+ # of <tt>object</tt> add or remove instance variables.
def delegate_missing_to(target, allow_nil: nil)
target = target.to_s
target = "self.#{target}" if DELEGATION_RESERVED_METHOD_NAMES.include?(target)
@@ -285,6 +290,7 @@ class Module
# It may look like an oversight, but we deliberately do not pass
# +include_private+, because they do not get delegated.
+ return false if name == :marshal_dump || name == :_dump
#{target}.respond_to?(name) || super
end
diff --git a/activesupport/lib/active_support/inflector/transliterate.rb b/activesupport/lib/active_support/inflector/transliterate.rb
index ea7161a6ba..ec6e9ccb59 100644
--- a/activesupport/lib/active_support/inflector/transliterate.rb
+++ b/activesupport/lib/active_support/inflector/transliterate.rb
@@ -5,9 +5,8 @@ require "active_support/i18n"
module ActiveSupport
module Inflector
- # Replaces non-ASCII characters in a UTF-8 encoded string with an ASCII
- # approximation, or if none exists, a replacement character which
- # defaults to "?".
+ # Replaces non-ASCII characters with an ASCII approximation, or if none
+ # exists, a replacement character which defaults to "?".
#
# transliterate('Ærøskøbing')
# # => "AEroskobing"
@@ -57,12 +56,8 @@ module ActiveSupport
#
# transliterate('Jürgen', locale: :de)
# # => "Juergen"
- #
- # This method requires that `string` be UTF-8 encoded. Passing an argument
- # with a different string encoding will raise an ArgumentError.
def transliterate(string, replacement = "?", locale: nil)
raise ArgumentError, "Can only transliterate strings. Received #{string.class.name}" unless string.is_a?(String)
- raise ArgumentError, "Can only transliterate UTF-8 strings. Received string with encoding #{string.encoding}" unless string.encoding == ::Encoding::UTF_8
I18n.transliterate(
ActiveSupport::Multibyte::Unicode.tidy_bytes(string).unicode_normalize(:nfc),
diff --git a/activesupport/lib/active_support/parameter_filter.rb b/activesupport/lib/active_support/parameter_filter.rb
index 8e5595babf..e1cd7c46c1 100644
--- a/activesupport/lib/active_support/parameter_filter.rb
+++ b/activesupport/lib/active_support/parameter_filter.rb
@@ -109,7 +109,12 @@ module ActiveSupport
elsif value.is_a?(Hash)
value = call(value, parents, original_params)
elsif value.is_a?(Array)
- value = value.map { |v| v.is_a?(Hash) ? call(v, parents, original_params) : v }
+ # If we don't pop the current parent it will be duplicated as we
+ # process each array value.
+ parents.pop if deep_regexps
+ value = value.map { |v| value_for_key(key, v, parents, original_params) }
+ # Restore the parent stack after processing the array.
+ parents.push(key) if deep_regexps
elsif blocks.any?
key = key.dup if key.duplicable?
value = value.dup if value.duplicable?
diff --git a/activesupport/lib/active_support/secure_compare_rotator.rb b/activesupport/lib/active_support/secure_compare_rotator.rb
new file mode 100644
index 0000000000..14a0aee947
--- /dev/null
+++ b/activesupport/lib/active_support/secure_compare_rotator.rb
@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+require "active_support/security_utils"
+require "active_support/messages/rotator"
+
+module ActiveSupport
+ # The ActiveSupport::SecureCompareRotator is a wrapper around +ActiveSupport::SecurityUtils.secure_compare+
+ # and allows you to rotate a previously defined value to a new one.
+ #
+ # It can be used as follow:
+ #
+ # rotator = ActiveSupport::SecureCompareRotator.new('new_production_value')
+ # rotator.rotate('previous_production_value')
+ # rotator.secure_compare!('previous_production_value')
+ #
+ # One real use case example would be to rotate a basic auth credentials:
+ #
+ # class MyController < ApplicationController
+ # def authenticate_request
+ # rotator = ActiveSupport::SecureComparerotator.new('new_password')
+ # rotator.rotate('old_password')
+ #
+ # authenticate_or_request_with_http_basic do |username, password|
+ # rotator.secure_compare!(password)
+ # rescue ActiveSupport::SecureCompareRotator::InvalidMatch
+ # false
+ # end
+ # end
+ # end
+ class SecureCompareRotator
+ include SecurityUtils
+ prepend Messages::Rotator
+
+ InvalidMatch = Class.new(StandardError)
+
+ def initialize(value, **_options)
+ @value = value
+ end
+
+ def secure_compare!(other_value, on_rotation: @rotation)
+ secure_compare(@value, other_value) ||
+ run_rotations(on_rotation) { |wrapper| wrapper.secure_compare!(other_value) } ||
+ raise(InvalidMatch)
+ end
+
+ private
+
+ def build_rotation(previous_value, _options)
+ self.class.new(previous_value)
+ end
+ end
+end