Added a custom OAuth implementation to deal with Twitter's off specif…

…ication implementation

lib/faraday/request/oauth.rb

@@ -0,0 +1,24 @@
+require 'faraday'
+
+module Faraday
+  class Request::OAuth < Faraday::Middleware
+    dependency 'simple_oauth'
+
+    def call(env)
+      params = env[:body] || {}
+      signature_params = params
+
+      params.map{ |k,v| signature_params = {} if v.respond_to?(:content_type) }
+
+      header = SimpleOAuth::Header.new(env[:method], env[:url], signature_params, @options)
+
+      env[:request_headers]['Authorization'] = header.to_s
+
+      @app.call(env)
+    end
+
+    def initialize(app, options)
+      @app, @options = app, options
+    end
+  end
+end

lib/twitter/connection.rb

@@ -1,6 +1,7 @@
 require 'faraday_middleware'
 require 'faraday/request/multipart_with_file'
 require 'faraday/request/gateway'
+require 'faraday/request/oauth'
 require 'faraday/response/raise_http_4xx'
 require 'faraday/response/raise_http_5xx'