Add app.rb from branch 'solution'

This file has been cleaned from its original implementation in the
'solution' branch to remove the solution to the exercise dealing with
the session.

Comments are added in spots where additional code must be filled in.

1 files changed, 29 insertions, 0 deletions

diff --git a/app.rb b/app.rb
new file mode 100644
index 0000000..1f52920
--- /dev/null
+++ b/app.rb
@@ -0,0 +1,29 @@
+require 'sinatra'
+
+
+use Rack::Session::Cookie, :secret => "My session secret which shouldn't be committed to the repo in real life"
+
+get '/' do
+  # The root route should render the :index template when logged out and the
+  # :logged_in template when logged in.
+
+  erb :index
+end
+
+post '/' do
+  if params[:username] == 'hubertfarnsworth' &&
+     params[:password] == 'secret'
+    # The user has correctly authenticated. Persist their login status by
+    # setting a session key here.
+
+    redirect '/'
+  else
+    'Unrecognized user'
+  end
+end
+
+get '/logout' do
+  # Unset the session here to log the user out.
+
+  redirect '/'
+end