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# The initial was for Varnish 2.1, this has been updated for Varnish 3.
# The upgrade changes were based on the docs here:
# https://www.varnish-cache.org/docs/3.0/installation/upgrade.html
# https://www.varnish-cache.org/docs/2.1/tutorial/vcl.html
# https://www.varnish-cache.org/trac/wiki/VCLExamples

# Summary
# 1. Varnish will poll the backend at /health_check to make sure it is
#    healthy. If the backend goes down, varnish will server stale content
#    from the cache for up to 1 hour.

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backend default {
  .host = "127.0.0.1";
  .port = "8080";
  .connect_timeout = 600s;
  .first_byte_timeout = 600s;
  .between_bytes_timeout = 600s;
}

acl purge {
  "localhost";

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require "sinatra/base"
require "sinatra/namespace"
require "multi_json"

require "api/authentication"
require "api/error_handling"
require "api/pagination"

module Api
  class Base < ::Sinatra::Base

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task :env_checker do
  unless Rails.env.development?
    puts "Not in development environment, exiting!"
    exit 1
  end
end

namespace :app_name do
  desc 'Anonymize user, company, and location information'
    task :anonymize => [:environment, :env_checker] do

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#!/usr/bin/env ruby
# Author : Emad Elsaid (https://github.com/blazeeboy)
require 'koala' # gem install koala --no-document
# create a facebook app and get access token from here
# https://developers.facebook.com/tools/explorer
# select "user_status", "friends_status", "user_checkins" when authenticating
oauth_access_token = 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX'
graph = Koala::Facebook::API.new(oauth_access_token)

places = []

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#Simple Authentication with Bcrypt

This tutorial is for adding authentication to a vanilla Ruby on Rails app using Bcrypt and has_secure_password.

The steps below are based on Ryan Bates's approach from Railscast #250 Authentication from Scratch (revised).

You can see the final source code here: repo. I began with a stock rails app using rails new gif_vault

##Steps

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#! /usr/bin/env python

import redis
import random
import pylibmc
import sys

r = redis.Redis(host = 'localhost', port = 6389)
mc = pylibmc.Client(['localhost:11222'])

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require 'rubygems'
require 'openssl'
require 'digest/md5'
key = OpenSSL::PKey::RSA.new(2048)
cipher = OpenSSL::Cipher::AES.new(256, :CBC) 
ctx = OpenSSL::SSL::SSLContext.new
puts "Spoof must be in DER format and saved as root.cer"
raw = File.read "root.cer"
cert = OpenSSL::X509::Certificate.new raw
cert.version = 2

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Ruby on Rails coding standard

{{toc}}

Code style

• Use UTF-8. It’s 21 century, 8bit encodings dead now.
• Use 2 space indent, not tabs
• Use Unix-style line endings
• Keep lines not longer than 80 chars

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#!/bin/bash

main() {
  if [[ $(has_lvh_me) == 1 ]]; then
    echo 'lvh.me is already specified in your hosts file'
  else
    add_lvh_me
    echo 'lvh.me was added to your hosts file!'
  fi
  flush_dns_cache