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Contents
# Copyright (c) 2020 Contrast Security, Inc. See https://www.contrastsecurity.com/enduser-terms-0317a for more details.
# frozen_string_literal: true
module Contrast
module Agent
module Assess
module Policy
# This class functions to translate our policy.json into an actionable
# Ruby object, allowing for dynamic patching over hardcoded patching,
# specifically for those methods which result in the source of
# untrusted data (indicate points in the application where user
# controlled input is accessed).
class SourceNode < PolicyNode
attr_accessor :type
JSON_TYPE = 'type'
SOURCE_TAG = 'UNTRUSTED'
def initialize source_hash = {}
super(source_hash)
@type = source_hash[JSON_TYPE]
@tags << SOURCE_TAG
end
SOURCE = 'Source'
def node_class
SOURCE
end
# This is confusing. Sources are Creation action but
# Propagation type. Oh and also Type refers to input type,
# like parameter, so we have to call this node_type. :-/
def node_type
:TYPE_PROPAGATION
end
# Standard validation + TS trace version two rules:
# Must have source and type
def validate
super
raise(ArgumentError, "Source #{ id } did not have a proper target. Unable to create.") unless targets&.any?
raise(ArgumentError, "Source #{ id } did not have a proper type. Unable to create.") unless type
end
end
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems