def parse_extension_args(args, strict=false)
policies_str = args['auth_policies']
if policies_str and policies_str != 'none'
@auth_policies = policies_str.split(' ')
end
nist_level_str = args['nist_auth_level']
if nist_level_str
if nist_level_str.strip == '0'
nist_level = 0
else
nist_level = nist_level_str.to_i
if nist_level == 0
nist_level = nil
end
end
if nist_level and nist_level >= 0 and nist_level < 5
@nist_auth_level = nist_level
elsif strict
raise ArgumentError, "nist_auth_level must be an integer 0 through 4, not #{nist_level_str.inspect}"
end
end
auth_time_str = args['auth_time']
if auth_time_str
if auth_time_str =~ TIME_VALIDATOR
@auth_time = auth_time_str
elsif strict
raise ArgumentError, "auth_time must be in RFC3339 format"
end
end
end