From b4075771b2b1f3c688496d18d7a5a5f1db952004 Mon Sep 17 00:00:00 2001
From: Azul <azul@riseup.net>
Date: Thu, 9 Jun 2016 13:51:02 +0200
Subject: refactor: remove EM specific stuff from Hkp::FetchKey interface

---
 lib/nickserver/hkp/fetch_key.rb | 29 ++++++++++++++++-------------
 lib/nickserver/hkp/source.rb    | 16 ++++++++--------
 2 files changed, 24 insertions(+), 21 deletions(-)

(limited to 'lib')

diff --git a/lib/nickserver/hkp/fetch_key.rb b/lib/nickserver/hkp/fetch_key.rb
index fe00473..10c4926 100644
--- a/lib/nickserver/hkp/fetch_key.rb
+++ b/lib/nickserver/hkp/fetch_key.rb
@@ -1,4 +1,6 @@
 require 'em-http'
+require 'nickserver/response'
+require 'nickserver/hkp/response'
 
 #
 # Fetch keys via HKP
@@ -8,35 +10,36 @@ require 'em-http'
 module Nickserver; module Hkp
 
   class FetchKey
-    include EM::Deferrable
 
-    def get(uid)
-      FetchKeyInfo.new.search(uid).callback {|key_info_list|
+    def initialize(adapter)
+      @adapter = adapter
+    end
+
+    def get(nick, &block)
+      FetchKeyInfo.new.search(nick).callback {|key_info_list|
         best = pick_best_key(key_info_list)
-        get_key_by_fingerprint(best.keyid) {|key|
-          self.succeed key
-        }
+        get_key_by_fingerprint(nick, best.keyid, &block)
       }.errback {|status, msg|
-        self.fail status, msg
+        yield Nickserver::Response.new(status, msg)
       }
-      self
     end
 
     #
     # fetches ascii armored OpenPGP public key from the keyserver
     #
-    def get_key_by_fingerprint(key_id)
+    def get_key_by_fingerprint(nick, key_id)
       params = {op: 'get', search: "0x" + key_id, exact: 'on', options: 'mr'}
       http = EventMachine::HttpRequest.new(Config.hkp_url).get(query: params)
       http.callback {
-        if http.response_header.status != 200
-          self.fail http.response_header.status, "HKP Request failed"
+        status = http.response_header.status
+        if status != 200
+          yield Nickserver::Response.new status, "HKP Request failed"
         else
-          yield http.response
+          yield Response.new nick, http.response
         end
       }
       http.errback {
-        self.fail 500, http.error
+        yield Nickserver::Response.new 500, http.error
       }
     end
 
diff --git a/lib/nickserver/hkp/source.rb b/lib/nickserver/hkp/source.rb
index 79333f0..f06a931 100644
--- a/lib/nickserver/hkp/source.rb
+++ b/lib/nickserver/hkp/source.rb
@@ -1,20 +1,20 @@
-require 'nickserver/hkp/response'
 module Nickserver::Hkp
   class Source
 
     def initialize(adapter)
+      @adapter = adapter
     end
 
-    def query(nick)
-      fetcher.get(nick).callback {|key|
-        yield Response.new(nick, key)
-        }.errback {|status, msg|
-          yield Nickserver::Response.new(status, msg)
-        }
+    def query(nick, &block)
+      fetcher.get(nick, &block)
     end
 
+    protected
+
+    attr_reader :adapter
+
     def fetcher
-      Nickserver::Hkp::FetchKey.new
+      Nickserver::Hkp::FetchKey.new(adapter)
     end
   end
 end
-- 
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