Thibaut Barrère thbar

#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

	require 'kiba'

	require 'etl/csv_source'
	require 'etl/sequel_upsert_destination'

	require 'etl/dsl_extensions/add_timestamps'
	require 'etl/dsl_extensions/remap_int'
	require 'etl/dsl_extensions/fetch_and_rename'
	require 'etl/dsl_extensions/raise_on_blanks'

	$ rvm install 2.4.0
	Searching for binary rubies, this might take some time.
	Found remote file https://rvm_io.global.ssl.fastly.net/binaries/ubuntu/16.04/x86_64/ruby-2.4.0.tar.bz2
	Checking requirements for ubuntu.
	Missing required packages: bash curl patch bzip2 gawk g++ gcc libssl-dev make libc6-dev patch openssl curl zlib1g zlib1g-dev libyaml-dev libsqlite3-dev sqlite3 libgmp-dev libgdbm-dev libncurses5-dev bison pkg-config libffi-dev libgmp-dev libreadline6-dev
	RVM autolibs is now configured with mode '2' =>
	'Allow RVM to use package manager if found, fail if dependencies are missing. This is default.',
	please run `rvm autolibs enable` to let RVM do its job or run and read `rvm autolibs [help]`
	or visit https://rvm.io/rvm/autolibs for more information.
	Requirements installation failed with status: 1.

	# View my Jekyll blog http://paulstamatiou.com and my jekyll migration post http://paulstamatiou.com/how-to-wordpress-to-jekyll/
	#
	#
	# based on the import script by icebreaker, which is based on mojombo's
	# https://github.com/mojombo/jekyll/blob/master/lib/jekyll/migrators/wordpress.rb
	# https://gist.github.com/303570
	# edited to rewrite image URLs to use my CloudFront URL

	require 'rubygems'
	require 'sequel'

	defmodule SimpleETL do
	use KibaEx

	source CSVSource, filename: "source.csv"
	transform RemapColumns
	destination CSVDestination, filename: "destination.csv"
	end

	require "./spec_helper"

	alias ConfigValue = String \| Int32
	alias Config = Hash(Symbol, ConfigValue)

	class SomeSource
	@filename : String

	def initialize(options : Config)
	@filename = options[:filename]

	module ReplaceTag
	extend self

	def replace_tag(xml_as_string, selector, new_tag_value)
	doc = Nokogiri::XML(xml_as_string)
	matches = doc.search(selector)
	unless matches.size == 1
	fail "Expected exactly one match for selector #{selector}, got #{matches.size}"
	end
	matches[0].content = new_tag_value

	psql postgres -c "create database circular_fkeys_left"
	psql circular_fkeys_left <<EOS
	create table foos(id integer primary key, bar_id integer);
	create table bars(id integer primary key, foo_id integer);
	insert into foos(id, bar_id) values(1, 5);
	insert into bars(id, foo_id) values(5, 1);
	alter table foos add constraint bar_fk foreign key(bar_id) references bars;
	alter table bars add constraint foo_fk foreign key(foo_id) references foos;
	EOS

	defmodule WisecashEx.AuthenticationTest do
	use WisecashEx.IntegrationCase

	setup do
	%WisecashEx.User{email: "john@example.com"}
	\|> WisecashEx.User.auth_changeset(%{password: "testtest"})
	\|> Repo.insert!
	:ok
	end