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|
# frozen_string_literal: true
module Aws
module Plugins
# @api private
class SignatureV2 < Seahorse::Client::Plugin
option(:v2_signer) do |cfg|
Aws::Sigv2::Signer.new(credentials_provider: cfg.credentials)
end
def add_handlers(handlers, _)
handlers.add(Handler, step: :sign)
end
class Handler < Seahorse::Client::Handler
def call(context)
apply_signature(
context.http_request,
context.config.v2_signer
)
@handler.call(context)
end
private
def apply_signature(req, signer)
param_list = req.body.param_list
param_list.delete('Timestamp') # in case of re-signing
signature = signer.sign_request(
http_method: req.http_method,
url: req.endpoint,
params: param_list.inject({}) do |hash, param|
hash[param.name] = param.value
hash
end
)
# apply signature
signature.each_pair do |param_name, param_value|
param_list.set(param_name, param_value)
end
req.body = param_list.to_io
end
end
end
end
end
|
