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Change e-mail domain blocks to block IPs dynamically (#17635)

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* Change e-mail domain blocks to block IPs dynamically

* Update app/workers/scheduler/email_domain_block_refresh_scheduler.rb

Co-authored-by: Yamagishi Kazutoshi <ykzts@desire.sh>

* Update app/workers/scheduler/email_domain_block_refresh_scheduler.rb

Co-authored-by: Yamagishi Kazutoshi <ykzts@desire.sh>

Co-authored-by: Yamagishi Kazutoshi <ykzts@desire.sh>
This commit is contained in:
Eugen Rochko 2022-02-24 17:28:23 +01:00 • committed by GitHub
parent 91cc8d1e63
commit a29a982eaa
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20 changed files with 322 additions and 157 deletions
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app/workers/scheduler/email_domain_block_refresh_scheduler.rb Normal file
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# frozen_string_literal: true
class Scheduler::EmailDomainBlockRefreshScheduler
include Sidekiq::Worker
include Redisable
sidekiq_options retry: 0
def perform
Resolv::DNS.open do |dns|
dns.timeouts = 5
EmailDomainBlock.find_each do |email_domain_block|
ips = begin
if ip?(email_domain_block.domain)
[email_domain_block.domain]
else
dns.getresources(email_domain_block.domain, Resolv::DNS::Resource::IN::A).to_a + dns.getresources(email_domain_block.domain, Resolv::DNS::Resource::IN::AAAA).to_a.map { |resource| resource.address.to_s }
end
end
email_domain_block.update(ips: ips, last_refresh_at: Time.now.utc)
end
end
end
def ip?(str)
str =~ Regexp.union([Resolv::IPv4::Regex, Resolv::IPv6::Regex])
end
end