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Abstract encoding strategy for ActiveSupport::MessageVerifier

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This commit is contained in:
Ryan Mohr 2014-11-12 12:48:44 -10:00
parent 6ff78469cd
commit 8573de4d10
1 changed files with 10 additions and 2 deletions
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12
activesupport/lib/active_support/message_verifier.rb
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@ -40,7 +40,7 @@ module ActiveSupport
data, digest = signed_message.split("--")
if data.present? && digest.present? && ActiveSupport::SecurityUtils.secure_compare(digest, generate_digest(data))
begin
@serializer.load(::Base64.strict_decode64(data))
@serializer.load(decode(data))
rescue ArgumentError => argument_error
raise InvalidSignature if argument_error.message =~ %r{invalid base64}
raise
@ -51,11 +51,19 @@ module ActiveSupport
end
def generate(value)
data = ::Base64.strict_encode64(@serializer.dump(value))
data = encode(@serializer.dump(value))
"#{data}--#{generate_digest(data)}"
end
private
def encode(data)
::Base64.strict_encode64(data)
end
def decode(data)
::Base64.strict_decode64(data)
end
def generate_digest(data)
require 'openssl' unless defined?(OpenSSL)
OpenSSL::HMAC.hexdigest(OpenSSL::Digest.const_get(@digest).new, @secret, data)