parent
0bf6190d8c
commit
ef643e9224
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@ -32,9 +32,9 @@ module Mastodon
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multiple domains to the command.
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When the --with-dns-records option is given, an attempt to resolve the
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given domains' DNS records will be made and the results (A, AAAA and MX) will
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also be blocked. This can be helpful if you are blocking an e-mail server that
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has many different domains pointing to it as it allows you to essentially block
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given domains' MX records will be made and the results will also be blocked.
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This can be helpful if you are blocking an e-mail server that has many
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different domains pointing to it as it allows you to essentially block
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it at the root.
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LONG_DESC
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def add(*domains)
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@ -53,26 +53,19 @@ module Mastodon
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next
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end
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email_domain_block = EmailDomainBlock.new(domain: domain, with_dns_records: options[:with_dns_records] || false)
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other_domains = []
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if options[:with_dns_records]
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Resolv::DNS.open do |dns|
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dns.timeouts = 5
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other_domains = dns.getresources(@email_domain_block.domain, Resolv::DNS::Resource::IN::MX).to_a
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end
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end
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email_domain_block = EmailDomainBlock.new(domain: domain, other_domains: other_domains)
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email_domain_block.save!
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processed += 1
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next unless email_domain_block.with_dns_records?
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hostnames = []
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ips = []
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Resolv::DNS.open do |dns|
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dns.timeouts = 5
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hostnames = dns.getresources(email_domain_block.domain, Resolv::DNS::Resource::IN::MX).to_a.map { |e| e.exchange.to_s }
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([email_domain_block.domain] + hostnames).uniq.each do |hostname|
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ips.concat(dns.getresources(hostname, Resolv::DNS::Resource::IN::A).to_a.map { |e| e.address.to_s })
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ips.concat(dns.getresources(hostname, Resolv::DNS::Resource::IN::AAAA).to_a.map { |e| e.address.to_s })
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end
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end
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(hostnames + ips).uniq.each do |hostname|
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(email_domain_block.other_domains || []).uniq.each do |hostname|
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another_email_domain_block = EmailDomainBlock.new(domain: hostname, parent: email_domain_block)
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if EmailDomainBlock.where(domain: hostname).exists?
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