Adding doorkeeper, adding a REST API

POST /api/statuses                  Params: status (text contents), in_reply_to_id (optional)
GET  /api/statuses/:id
POST /api/statuses/:id/reblog

GET  /api/accounts/:id
GET  /api/accounts/:id/following
GET  /api/accounts/:id/followers
POST /api/accounts/:id/follow
POST /api/accounts/:id/unfollow

POST /api/follows                  Params: uri (e.g. user@domain)

OAuth authentication is currently disabled, but the API can be used with HTTP Auth.

app/controllers/api/accounts_controller.rb

@@ -0,0 +1,36 @@
+class Api::AccountsController < ApiController
+  before_action :set_account
+  before_action :authenticate_user!
+  respond_to    :json
+
+  def show
+  end
+
+  def following
+    @following = @account.following
+  end
+
+  def followers
+    @followers = @account.followers
+  end
+
+  def statuses
+    @statuses = @account.statuses
+  end
+
+  def follow
+    @follow = current_user.account.follow!(@account)
+    render action: :show
+  end
+
+  def unfollow
+    @unfollow = current_user.account.unfollow!(@account)
+    render action: :show
+  end
+
+  private
+
+  def set_account
+    @account = Account.find(params[:id])
+  end
+end