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papaki.rb
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Sat, Aug 30, 11:31 AM

papaki.rb
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#!/usr/bin/env ruby
require 'json'
require 'faraday_middleware'
class DNSWorker::Pushers::Papaki < DNSWorker::Pushers::Base
def replace_ds(_parent, domain, dss)
dss = prepare_dss(dss)
current = current_ds(domain)
# Papaki needs an empty publicKey attribute
to_add = (dss - current).map { |ds| ds['publicKey'] = ''; ds }
to_remove = (current - dss).map { |ds| ds['publicKey'] = ''; ds }
p [:add, to_add]
p [:rem, to_remove]
return true if to_add.empty? && to_remove.empty?
req = {
type: 'managednssec',
domainname: domain,
}
req['dnssectoadd'] = { ds: dss } if dss.any?
req['dnssectoremove'] = { ds: current } if current.any?
request(req)
true
end
def current_ds(domain)
resp = request(type: 'dnssecinfo', domainname: domain)
# Remove unessesary keys
resp['dsrecords'].map { |ds|
key, alg, digest = ds.values_at('keyTag', 'alg', 'digest')
Hash['keyTag', key, 'alg', alg, 'digest', digest.downcase]
}
end
private
def client
@client ||= client!
end
def client!
api = Faraday.new cfg['papaki_host'] do |conn|
conn.response :json
#conn.response :logger
conn.adapter Faraday.default_adapter
end
end
def prepare_dss(dss)
# Papaki seems to accept specific digest_algorithms based on the DNSKEY algo
# This map will guide that through this.
#
alg_digest_map = {
'5' => '1', # RSA/SHA-1 => SHA1
'7' => '1', # RSASHA1-NSEC3-SHA1 => SHA1
'8' => '2', # RSA/SHA-256 => SHA-256
'10' => '2', # RSA/SHA-512 => SHA-256
}
ds_for_papaki = []
dss.each { |ds_line|
# 11845 8 1 f781fc2422bf265b5606d7dc095d15183014ee6a'
key, alg, digest_type, digest = ds_line.split
# Send only digest types supported by papaki
next if digest_type != alg_digest_map[alg]
ds_for_papaki << Hash['keyTag', key, 'alg', alg, 'digest', digest.downcase]
}
ds_for_papaki
end
def ds_info(domain)
request(type: 'dnssecinfo', domainname: domain)
end
def request(data)
resp = client.post cfg['papaki_endpoint'] do |r|
r.headers['Content-Type'] = 'application/x-www-form-urlencoded'
data_with_key = data.merge(apiKey: cfg['papaki_key'])
r.body = JSON.dump({request: data_with_key})
end
puts "\n* Request #{data[:do] || data[:type]} for #{data[:domainname]}"
data.each { |k,v|
puts "#{k}: #{v}"
}
puts "\n* Response #{data[:do] || data[:type]} for #{data[:domainname]}"
resp.body['response'].tap { |r|
raise "#{r['code']}: #{r['message']}" if r['code'] != '1000'
r.to_a.sort.each { |k, v|
puts "#{k}: #{v}"
}
}
end
end

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