From d4b66503dbfb9410bcea903c2c680f1e31089d5f Mon Sep 17 00:00:00 2001
From: Eduardo Gurgel <edgurgel@gmail.com>
Date: Wed, 5 Feb 2014 14:03:15 -0300
Subject: [PATCH] Add '/image'

---
 lib/httparrot.ex               |  1 +
 lib/httparrot/image_handler.ex | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 lib/httparrot/image_handler.ex

diff --git a/lib/httparrot.ex b/lib/httparrot.ex
index e36d634..ff4ec3b 100644
--- a/lib/httparrot.ex
+++ b/lib/httparrot.ex
@@ -27,6 +27,7 @@ defmodule HTTParrot do
              {'/deny', HTTParrot.DenyHandler, []},
              {'/robots.txt', HTTParrot.RobotsHandler, []},
              {'/base64/:value', HTTParrot.Base64Handler, []},
+             {'/image', HTTParrot.ImageHandler, []},
              {'/websocket', HTTParrot.WebsocketHandler, []} ] }
     ])
     {:ok, http_port} = :application.get_env(:httparrot, :http_port)
diff --git a/lib/httparrot/image_handler.ex b/lib/httparrot/image_handler.ex
new file mode 100644
index 0000000..3360b67
--- /dev/null
+++ b/lib/httparrot/image_handler.ex
@@ -0,0 +1,26 @@
+defmodule HTTParrot.ImageHandler do
+  @moduledoc """
+  Returns an image.
+  """
+
+  def init(_transport, _req, _opts) do
+    {:upgrade, :protocol, :cowboy_rest}
+  end
+
+  def allowed_methods(req, state) do
+    {["GET"], req, state}
+  end
+
+  def content_types_provided(req, state) do
+    {[{{"image", "png", []}, :get_png},
+      {{"image", "jpeg", []}, :get_jpeg}], req, state}
+  end
+
+  @png :base64.decode("iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==")
+  @jpeg :base64.decode("/9j/4AAQSkZJRgABAQEASABIAAD/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=")
+
+  def get_png(req, state), do: {@png, req, state}
+  def get_jpeg(req, state), do: {@jpeg, req, state}
+
+  def terminate(_, _, _), do: :ok
+end