add basic receive controller

- remove dummy-test
- mount engine on / in dummy-app

app/controllers/diaspora_federation/receive_controller.rb

@@ -0,0 +1,25 @@
+require_dependency "diaspora_federation/application_controller"
+
+module DiasporaFederation
+  class ReceiveController < ApplicationController
+    before_action :check_for_xml, only: %i(public private)
+
+    def public
+      Rails.logger.info "received a public message"
+      Rails.logger.info CGI.unescape(params[:xml])
+      render nothing: true, status: :ok
+    end
+
+    def private
+      Rails.logger.info "received a private message for #{params[:guid]}"
+      Rails.logger.info CGI.unescape(params[:xml])
+      render nothing: true, status: :ok
+    end
+
+    private
+
+    def check_for_xml
+      render nothing: true, status: 422 if params[:xml].nil?
+    end
+  end
+end

config/routes.rb

@@ -1,2 +1,6 @@
 DiasporaFederation::Engine.routes.draw do
+  controller :receive do
+    post "receive/public"      => :public,  :as => "receive_public"
+    post "receive/users/:guid" => :private, :as => "receive_private"
+  end
 end

spec/controllers/diaspora_federation/receive_controller_spec.rb

@@ -0,0 +1,29 @@
+module DiasporaFederation
+  describe ReceiveController, type: :controller do
+    routes { DiasporaFederation::Engine.routes }
+
+    describe "#public" do
+      it "succeeds" do
+        post :public, xml: "<diaspora/>"
+        expect(response).to be_success
+      end
+
+      it "returns a 422 if no xml is passed" do
+        post :public
+        expect(response.code).to eq("422")
+      end
+    end
+
+    describe "#private" do
+      it "succeeds" do
+        post :private, guid: "any-guid", xml: "<diaspora/>"
+        expect(response).to be_success
+      end
+
+      it "returns a 422 if no xml is passed" do
+        post :private, guid: "any-guid"
+        expect(response.code).to eq("422")
+      end
+    end
+  end
+end

spec/dummy_spec.rb

@@ -1,6 +0,0 @@
-describe "Dummy" do
-  # dummy test
-  it "should be true" do
-    expect(true).to be_truthy
-  end
-end

test/dummy/config/routes.rb

@@ -1,4 +1,3 @@
 Rails.application.routes.draw do
-
-  mount DiasporaFederation::Engine => "/diaspora_federation"
+  mount DiasporaFederation::Engine => "/"
 end