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Contents
# Copyright (c) 2021 Contrast Security, Inc. See https://www.contrastsecurity.com/enduser-terms-0317a for more details.
# frozen_string_literal: true
# This class is the concrete implementation of the DefaultSqlScanner designed
# to support the customizations of MySQL.
#
# @deprecated RUBY-356
# rubocop:disable Style/ClassAndModuleChildren
class Contrast::Agent::Protect::Rule::Sqli::MysqlSqlScanner <
Contrast::Agent::Protect::Rule::Sqli::DefaultSqlScanner
# rubocop:enable Style/ClassAndModuleChildren
# Is the current character '#' or are the current and
# subsequent characters both '-' ?
def start_line_comment? char, index, query
return true if char == Contrast::Utils::ObjectShare::POUND_SIGN
return false unless char == Contrast::Utils::ObjectShare::DASH
return false unless (query.length - 2) >= index
query[index + 1] == Contrast::Utils::ObjectShare::DASH
end
# Is the current character / sequence of characters the start of a block
# comment. In MySQL, '/*!' is an inline comment that has code that's
# executed, so it does not count as a block comment start
def start_block_comment? char, index, query
return false unless char == Contrast::Utils::ObjectShare::SLASH
return false unless (query.length - 3) >= index
query[index + 1] == Contrast::Utils::ObjectShare::ASTERISK &&
query[index + 2] != Contrast::Utils::ObjectShare::EXCLAMATION
end
# Indicates if '""' inside of double quotes is the equivalent of '\"'
def double_quote_escape_in_double_quote?
true
end
end
Version data entries
13 entries across 13 versions & 1 rubygems