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Versions: 894
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Contents
require 'openssl'
require 'tempfile'
module Aws
# @api private
module Checksums
CHUNK_SIZE = 1 * 1024 * 1024 # one MB
class << self
# @param [File, Tempfile, IO#read, String] value
# @return [String<SHA256 Hexdigest>]
def sha256_hexdigest(value)
if (File === value || Tempfile === value) && !value.path.nil? && File.exist?(value.path)
OpenSSL::Digest::SHA256.file(value).hexdigest
elsif value.respond_to?(:read)
sha256 = OpenSSL::Digest::SHA256.new
update_in_chunks(sha256, value)
sha256.hexdigest
else
OpenSSL::Digest::SHA256.hexdigest(value)
end
end
# @param [File, Tempfile, IO#read, String] value
# @return [String<MD5>]
def md5(value)
if (File === value || Tempfile === value) && !value.path.nil? && File.exist?(value.path)
Base64.encode64(OpenSSL::Digest::MD5.file(value).digest).strip
elsif value.respond_to?(:read)
md5 = OpenSSL::Digest::MD5.new
update_in_chunks(md5, value)
Base64.encode64(md5.digest).strip
else
Base64.encode64(OpenSSL::Digest::MD5.digest(value)).strip
end
end
private
def update_in_chunks(digest, io)
while chunk = io.read(CHUNK_SIZE)
digest.update(chunk)
end
io.rewind
end
end
end
end
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894 entries across 894 versions & 1 rubygems