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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
require 'contrast/agent/assess/policy/source_method'
module Contrast
module Agent
module Assess
module Policy
module SourceValidation
# Validator used to assert a CROSS_SITE tag is actually applicable to
# the given method before applying the tag to its target
module CrossSiteValidator
# prevent the application of a tag if it is from a source known to
# not apply a tag in a provided context.
# https://bitbucket.org/contrastsecurity/assess-specifications/src/master/rules/dataflow/reflected_xss.md
def self.valid? tag, source_type, source_name
return true unless tag == 'CROSS_SITE'
return false if source_type == Contrast::Agent::Assess::Policy::SourceMethod::HEADER_KEY_TYPE
return true unless source_type == Contrast::Agent::Assess::Policy::SourceMethod::HEADER_TYPE
return false unless source_name
source_name.casecmp?('referer')
end
end
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems