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# File 'lib/b2/connection.rb', line 93
def download(bucket, key, to=nil)
opened_file = (to && to.is_a?(String))
to = ::File.open(to, 'wb') if to.is_a?(String)
digestor = Digest::SHA1.new
data = ""
uri = URI.parse(download_url)
conn = Net::HTTP.new(uri.host, uri.port)
conn.use_ssl = uri.scheme == 'https'
req = Net::HTTP::Get.new("/file/#{bucket}/#{key}")
req['Authorization'] = authorization_token
conn.start do |http|
http.request(req) do |response|
case response
when Net::HTTPSuccess
response.read_body do |chunk|
digestor << chunk
if to
to << chunk
elsif block_given?
yield(chunk)
else
data << chunk
end
end
if response['X-Bz-Content-Sha1'] != 'none' && digestor.hexdigest != response['X-Bz-Content-Sha1']
rase B2::FileIntegrityError.new("SHA1 Mismatch, expected: \"#{response['X-Bz-Content-Sha1']}\", actual: \"#{digestor.hexdigest}\"")
end
when Net::HTTPNotFound
raise B2::NotFound.new(JSON.parse(response.body)['message'])
else
begin
body = JSON.parse(response.body)
if body['code'] == 'not_found'
raise B2::NotFound(body['message'])
else
raise "#{body['code']} (#{body['message']})"
end
rescue
raise response.body
end
end
end
end
if opened_file
to.close
elsif to
to.flush
end
!block_given? && to.nil? ? data : nil
end
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