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Diffstat (limited to 'lib/nickserver/hkp/fetch_key.rb')
| -rw-r--r-- | lib/nickserver/hkp/fetch_key.rb | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/lib/nickserver/hkp/fetch_key.rb b/lib/nickserver/hkp/fetch_key.rb new file mode 100644 index 0000000..c72ee11 --- /dev/null +++ b/lib/nickserver/hkp/fetch_key.rb @@ -0,0 +1,51 @@ +require 'em-http' + +module Nickserver; module HKP + + class FetchKey + include EM::Deferrable + + def get(uid) + FetchKeyInfo.new.search(uid).callback {|key_info_list| + best = pick_best_key(key_info_list) + get_key_by_fingerprint(best.keyid) {|key| + self.succeed key + } + }.errback {|msg| + self.fail msg + } + self + end + + # + # fetches ascii armored OpenPGP public key from the keyserver + # + def get_key_by_fingerprint(key_id) + params = {:op => 'get', :search => "0x" + key_id, :exact => 'on', :options => 'mr'} + http = EventMachine::HttpRequest.new(Config.sks_url).get(:query => params) + http.callback { + if http.response_header.status != 200 + self.fail http.response_header.status #"Request failed with #{http.response_header.status}: #{http.response}" + else + yield http.response + end + } + http.errback { + self.fail http.error + } + end + + protected + + # + # for now, just pick the newest key. + # + # in the future, we should perhaps pick the newest key + # that is signed by the oldest key. + # + def pick_best_key(key_info_list) + key_info_list.sort {|a,b| a.creationdate <=> b.creationdate}.last + end + end + +end; end
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