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# frozen_string_literal: true
module ObjectStorage
module CDN
class GoogleIpCache
GOOGLE_CDN_LIST_KEY = 'google_cdn_ip_list'
CACHE_EXPIRATION_TIME = 1.day
class << self
def update!(subnets)
caches.each { |cache| cache.write(GOOGLE_CDN_LIST_KEY, subnets) }
end
def ready?
caches.any? { |cache| cache.exist?(GOOGLE_CDN_LIST_KEY) }
end
def google_ip?(request_ip)
google_ip_ranges = cached_value(GOOGLE_CDN_LIST_KEY)
return false unless google_ip_ranges
google_ip_ranges.any? { |range| range.include?(request_ip) }
end
def async_refresh
::GoogleCloud::FetchGoogleIpListWorker.perform_async
end
private
def caches
[l1_cache, l2_cache]
end
def l1_cache
Gitlab::ProcessMemoryCache.cache_backend
end
def l2_cache
Rails.cache
end
def cached_value(key)
l1_cache.fetch(key) do
result = l2_cache.fetch(key)
# Don't populate the L1 cache if we can't find the entry
break unless result
result
end
end
end
end
end
end
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