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require 'nickserver/source'
require 'nickserver/response'
require 'nickserver/wkd/url'
require 'nickserver/key_response'
module Nickserver::Wkd
# Query the web key directory for a given email address
class Source < Nickserver::Source
def query(email)
url = Url.new(email)
status, blob = adapter.get url,
rescue: 'failed to connect: getaddrinfo'
if status == 200
Nickserver::KeyResponse.new(email.to_s, armor_key(blob))
end
end
protected
def armor_key(blob)
header + encode(blob) + footer
end
def encode(blob)
Base64.strict_encode64(blob).scan(/.{1,64}/).join "\n"
end
def header
"-----BEGIN PGP PUBLIC KEY BLOCK-----\n\n"
end
def footer
"\n-----END PGP PUBLIC KEY BLOCK-----\n"
end
end
end
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