[ First commit ]

.gitignore

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+wiki/
+
+database.sqlite
+

Gemfile

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+source "https://rubygems.org"
+
+gem 'gollum'
+gem 'sinatra'
+gem 'puma'
+gem 'warden'
+gem 'sqlite3'
+gem 'sinatra-flash'

config.ru

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+require 'gollum/app'
+require 'warden'
+
+wiki_options = {universal_toc: false, math: :mathjax, css: true}
+Precious::App.set(:gollum_path, ENV['GOLLUM_WIKI'])
+Precious::App.set(:default_markup, :markdown)
+Precious::App.set(:wiki_options, wiki_options)
+
+require_relative 'tonton'
+
+use Rack::Session::Cookie, key: 'rack.session', secret: ENV.fetch('SESSION_SECRET')
+
+run TonTon::App

tonton.rb

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+require 'gollum/app'
+require 'warden'
+require 'sinatra/flash'
+require 'securerandom'
+require "sqlite3"
+
+class TonTon
+end
+
+TonTon::User = Struct.new(:id, :username, :email, :name, :password)
+
+Warden::Manager.serialize_into_session do |user|
+	user.id
+end
+
+Warden::Manager.serialize_from_session do |id|
+	TonTon::App.find_user id
+end
+
+Warden::Manager.before_failure do |env,opts|
+	env['REQUEST_METHOD'] = "POST"
+
+	env['rack.session']['warden.options'] = opts
+end
+
+Warden::Strategies.add(:password) do
+	def valid?
+		params['user'] && params['user']['username'] && params['user']['password']
+	end
+
+	def authenticate!
+		user_params = params['user']
+
+		user = TonTon::App.find_user_by_username user_params['username']
+
+		if user and user.password == user_params['password']
+			success!(user)
+		else
+			throw(:warden)
+		end
+	end
+end
+
+class TonTon::App < Precious::App
+	use Warden::Manager do |manager|
+		manager.default_strategies :password
+
+		manager.failure_app = self
+
+		manager.scope_defaults :default, strategies: [:password], action: 'unauthenticated'
+	end
+
+	register Sinatra::Flash
+
+	set :root, File.dirname(__FILE__)
+
+	@db = SQLite3::Database.new "database.sqlite"
+
+	def self.find_user id
+		user = nil
+
+		@db.execute("select id, username, email, name, password from users where id = ?", id) do |row|
+			user = TonTon::User.new(*row)
+		end
+
+		return user
+	end
+
+	def self.find_user_by_username username
+		user = nil
+
+		@db.execute("select id, username, email, name, password from users where username = ?", username) do |row|
+			user = TonTon::User.new(*row)
+		end
+
+		return user
+	end
+
+	helpers do
+		def check_authentication
+			if not env['warden'].authenticated?
+				flash[:error] = 'You must log in to access this page.'
+
+				redirect '/login'
+			else
+				session['gollum.author'] = {
+					name: current_user.name,
+					email: current_user.email
+				}
+			end
+		end
+
+		def current_user
+			env['warden'].user
+		end
+	end
+
+	before do
+		public_patterns = [
+			'/',
+			'/*',
+			'/login',
+			'/logout',
+			'/unauthenticated',
+			'/gollum/*',
+			'/gollum/history/**',
+			'/gollum/latest_changes',
+			'/gollum/commit/**'
+		]
+
+		request_path = Pathname.new(request.path_info)
+
+		looks_public = false
+
+		for pattern in public_patterns
+			if request_path.fnmatch(pattern, File::FNM_PATHNAME)
+				looks_public = true
+			end
+		end
+
+		if not looks_public then check_authentication end
+	end
+
+	post '/unauthenticated' do
+		session['warden.return_to'] = env['warden.options'][:attempted_path]
+
+		flash[:error] = 'You must log in to access this page.'
+
+		redirect '/login'
+	end
+ 
+	get '/login' do
+		@error = flash[:error]
+
+		erb :login
+	end
+	
+	post '/login' do
+		env['warden'].authenticate!
+
+		if env['warden'].authenticated?
+			redirect_path = session.delete('warden.return_to') || '/'
+
+			redirect redirect_path
+		else
+			redirect '/login' 
+		end
+	end
+	
+	get '/logout' do
+		env['warden'].logout
+
+		redirect '/'
+	end
+end

views/login.erb

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+<h2>Login</h2>
+<% if @error %>
+  <p style="color: red; font-weight: bold;">
+    <%= @error %>
+  </p>
+<% end %>
+
+<form method="POST" action="/login">
+  <div>
+    <label for="username">Username:</label>
+    <input type="text" id="username" name="user[username]" required>
+  </div>
+  <br>
+  <div>
+    <label for="password">Password:</label>
+    <input type="password" id="password" name="user[password]" required>
+  </div>
+  <br>
+  <button type="submit">Log In</button>
+</form>