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Contents
module Jets::Authorizer::Helpers
module IamHelper
private
# Structure: https://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-lambda-authorizer-output.html
# Example:
#
# {
# "principalId" => "yyyyyyyy", // The principal user identification associated with the token sent by the client.
# "policyDocument" => {},
# "context" => {},
# "usageIdentifierKey" => "{api-key}"
# }
#
def build_policy(*args)
if args.first.is_a?(Hash) # generalized form
props = args.first
else # build_policy(resource, principal, context, usage_identifier_key) form
resource, principal_id, context, usage_identifier_key = args
props = {
principal_id: principal_id || "default_user",
policy_document: {
version: "2012-10-17",
statement: [
action: "execute-api:Invoke",
effect: "Allow",
resource: resource || "*",
],
},
}
props[:context] = context if context
props[:usage_identifier_key] = usage_identifier_key if usage_identifier_key
end
props.transform_keys! { |k| pascalize(k) } # Only top-level keys are pascalized
# policyDocument is camelized, everything else is left alone
props["policyDocument"] = Jets::Camelizer.transform(props["policyDocument"])
props
end
def pascalize(value)
new_value = value.to_s.camelize
first_char = new_value[0..0].downcase
new_value[0] = first_char
new_value
end
end
end
Version data entries
72 entries across 72 versions & 2 rubygems