diff options
Diffstat (limited to 'lib/nickserver/hkp/source.rb')
-rw-r--r-- | lib/nickserver/hkp/source.rb | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/nickserver/hkp/source.rb b/lib/nickserver/hkp/source.rb new file mode 100644 index 0000000..cae3e01 --- /dev/null +++ b/lib/nickserver/hkp/source.rb @@ -0,0 +1,66 @@ +require 'nickserver/response' +require 'nickserver/hkp/response' +require 'nickserver/hkp/client' +require "nickserver/hkp/parse_key_info" +require "nickserver/hkp/key_info" + + +# +# Fetch keys via HKP +# http://tools.ietf.org/html/draft-shaw-openpgp-hkp-00 +# + +module Nickserver; module Hkp + class Source + + def initialize(adapter) + @adapter = adapter + end + + def query(nick, &block) + search(nick) do |status, response| + if status == 200 + best = pick_best_key(response) + get_key_by_fingerprint(nick, best.keyid, &block) + else + yield Nickserver::Response.new(status, response) + end + end + end + + def search(nick, &block) + client.get_key_infos_by_email(nick) do |status, response| + parser = ParseKeyInfo.new status, response + yield parser.status_for(nick), parser.response_for(nick) + end + end + + protected + + attr_reader :adapter + + # + # 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 + + def get_key_by_fingerprint(nick, fingerprint) + client.get_key_by_fingerprint fingerprint do |status, response| + if status == 200 + yield Response.new nick, response + else + yield Nickserver::Response.new status, "HKP Request failed" + end + end + end + + def client + @client ||= Client.new(adapter) + end + end +end; end |