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Contents
require 'json'
# Hack AwsLambda Ruby Runtime to fix .to_json issue collision with ActiveSupport.
# To reproduce:
# Create a shared resource from the docs and call sns.publish
#
# Causes an infinite loop when calling sns.publish somehow.
# Overriding with JSON.dump and follow up with AWS ticket.
module AwsLambda
class Marshaller
class << self
# By default, just runs #to_json on the method's response value.
# This can be overwritten by users who know what they are doing.
# The response is an array of response, content-type.
# If returned without a content-type, it is assumed to be application/json
# Finally, StringIO/IO is used to signal a response that shouldn't be
# formatted as JSON, and should get a different content-type header.
def marshall_response(method_response)
case method_response
when StringIO, IO
[method_response, 'application/unknown']
else
# Orignal method calls .to_json but this collides with ActiveSupport's to_json
# method_response.to_json # application/json is assumed
# https://stackoverflow.com/questions/18067203/ruby-to-json-issue-with-error-illegal-malformed-utf-8
if method_response.is_a?(Hash)
method_response.deep_transform_values! do |v|
if v.respond_to?(:force_encoding) && !v.frozen?
v.force_encoding("ISO-8859-1").encode("UTF-8")
else
v # IE: Integer
end
end
end
JSON.dump(method_response)
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems