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‎.gitignore

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.idea
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node_modules

‎README.md

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Sharing session across different platforms
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================
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This experiment is intended to demonstrate the ease to share sessions between different technologies under the same umbrella (single login).
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There are 2 different approaches: Using encripted cookies with the session information and using redis servers to store the sessions.
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The load is balanced. The load banlancer decides if the request looks like a webpage and sends to a Ruby on Rails server or if the request looks like a WebSocket and sends it to a Node.js server.
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TODO: Send the WebSocket request to the most available server instead of to the next in the round robin. Store the location of each connected user in a key/value storage to be able to push back to the particular server instead of broadcasting to all of them.
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Setup
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-------
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You can set up this environment using cookies or a session storage db (Redis).
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You need node-rails-cookies package:
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```bash
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npm install node-rails-cookies
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```
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###Cookies###
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railscookies/config/initializers/session_store.rb
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```ruby
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Railscookies::Application.config.session_store :cookie_store, key: '_response_session'
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```
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websockets/index.js line 16
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```javascript
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var session_store = 'cookies';
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```
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###Redis###
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railscookies/config/initializers/session_store.rb
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```ruby
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Railscookies::Application.config.session_store :redis_store_json,
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key: "_response_session",
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strategy: :json_session,
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domain: :all,
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servers: {
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host: :localhost,
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port: 6379
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}
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```
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websockets/index.js line 16
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```javascript
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var session_store = 'redis';
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```
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Running
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-------
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```sh
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cd railscookies
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rails server
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cd websockets
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node index.js
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haproxy -f haproxy.conf
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```

‎haproxy.conf

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defaults
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mode http
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timeout connect 5s
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timeout client 5s
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timeout server 60s
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frontend proxy
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# listen on 80
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bind 0.0.0.0:80
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# allow for many connections, with long timeout
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maxconn 200000 # total maximum connections, check ulimit as well
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timeout client 24h
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# default to webapp backend
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default_backend webapp
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# is this a socket io request?
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acl is_websocket path_beg /socket.io
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acl is_websocket hdr(Upgrade) -i WebSocket AND hdr_beg(Host) -i ws
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use_backend websocket if is_websocket
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backend webapp
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balance roundrobin # assuming that you don't need stickiness
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# allow client connections to linger for 5s
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# but close server side requests to avoid keeping idle connections
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option http-server-close
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server ruby1 localhost:3000 check
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backend websocket
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balance source # balance based on source IP
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# options
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option forwardfor # add X-Forwarded-For
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# Do not use httpclose (= client and server
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# connections get closed), since it will close
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# Websockets connections
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no option httpclose
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# Use "option http-server-close" to preserve
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# client persistent connections while handling
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# every incoming request individually, dispatching
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# them one after another to servers, in HTTP close mode
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option http-server-close
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option forceclose
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# timeouts are long
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timeout queue 5s
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timeout server 24h
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timeout connect 24h
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# just one node server at :8000
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server node1 localhost:8080 check

‎railscookies/.gitignore

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# See http://help.github.com/ignore-files/ for more about ignoring files.
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#
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# If you find yourself ignoring temporary files generated by your text editor
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# or operating system, you probably want to add a global ignore instead:
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# git config --global core.excludesfile '~/.gitignore_global'
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# Ignore bundler config.
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/.bundle
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# Ignore the default SQLite database.
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/db/*.sqlite3
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/db/*.sqlite3-journal
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# Ignore all logfiles and tempfiles.
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/log/*.log
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/tmp

‎railscookies/Gemfile

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source 'https://rubygems.org'
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# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
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gem 'rails', '4.0.0'
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# Use SCSS for stylesheets
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gem 'sass-rails', '~> 4.0.0'
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# Use Uglifier as compressor for JavaScript assets
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gem 'uglifier', '>= 1.3.0'
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# Use CoffeeScript for .js.coffee assets and views
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gem 'coffee-rails', '~> 4.0.0'
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# See https://github.com/sstephenson/execjs#readme for more supported runtimes
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# gem 'therubyracer', platforms: :ruby
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# Use jquery as the JavaScript library
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gem 'jquery-rails'
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# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
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gem 'turbolinks'
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# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
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gem 'jbuilder', '~> 1.2'
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group :doc do
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# bundle exec rake doc:rails generates the API under doc/api.
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gem 'sdoc', require: false
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end
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gem 'therubyracer', require: "v8"
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gem 'mongoid', git: 'git://github.com/mongoid/mongoid.git'
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gem 'bson_ext'
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# Devise - Authentication
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gem 'devise', github: 'plataformatec/devise'
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gem 'redis-actionpack-json', github: 'nathantsoi/redis-store-json'
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gem 'redis-store-json', github: 'nathantsoi/redis-store-json'
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gem 'redis-rack-json', github: 'nathantsoi/redis-store-json'
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# Use ActiveModel has_secure_password
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# gem 'bcrypt-ruby', '~> 3.0.0'
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# Use unicorn as the app server
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# gem 'unicorn'
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# Use Capistrano for deployment
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# gem 'capistrano', group: :development
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# Use debugger
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# gem 'debugger', group: [:development, :test]

‎railscookies/Gemfile.lock

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GIT
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remote: git://github.com/mongoid/mongoid.git
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revision: 5d8397e24b673724f4b70ca2923a62bfe20e6e79
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specs:
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mongoid (4.0.0)
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activemodel (~> 4.0.0)
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moped (~> 1.5)
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origin (~> 1.0)
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tzinfo (~> 0.3.22)
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GIT
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remote: git://github.com/nathantsoi/redis-store-json.git
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revision: e0d020d8e91a9c8c2850cc972ec4b20975568c55
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specs:
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redis-actionpack-json (4.0.0)
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actionpack (~> 4.0.0.rc1)
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redis-rack-json (~> 1.5.2)
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redis-store-json (~> 3.0.0)
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redis-rack-json (1.5.2)
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rack (~> 1.5.2)
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redis-store-json (~> 3.0.0)
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redis-store-json (3.0.0)
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redis (~> 3.0.0)
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GIT
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remote: git://github.com/plataformatec/devise.git
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revision: b46b7e37360413e6a9faf43df76ffc6f6e749058
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specs:
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devise (3.0.0)
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bcrypt-ruby (~> 3.0)
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orm_adapter (~> 0.1)
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railties (>= 3.2.6, < 5)
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warden (~> 1.2.3)
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GEM
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remote: https://rubygems.org/
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specs:
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actionmailer (4.0.0)
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actionpack (= 4.0.0)
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mail (~> 2.5.3)
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actionpack (4.0.0)
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activesupport (= 4.0.0)
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builder (~> 3.1.0)
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erubis (~> 2.7.0)
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rack (~> 1.5.2)
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rack-test (~> 0.6.2)
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activemodel (4.0.0)
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activesupport (= 4.0.0)
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builder (~> 3.1.0)
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activerecord (4.0.0)
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activemodel (= 4.0.0)
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activerecord-deprecated_finders (~> 1.0.2)
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activesupport (= 4.0.0)
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arel (~> 4.0.0)
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activerecord-deprecated_finders (1.0.3)
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activesupport (4.0.0)
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i18n (~> 0.6, >= 0.6.4)
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minitest (~> 4.2)
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multi_json (~> 1.3)
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thread_safe (~> 0.1)
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tzinfo (~> 0.3.37)
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arel (4.0.0)
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atomic (1.1.10)
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bcrypt-ruby (3.1.1)
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bson (1.9.1)
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bson_ext (1.9.1)
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bson (~> 1.9.1)
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builder (3.1.4)
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coffee-rails (4.0.0)
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coffee-script (>= 2.2.0)
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railties (>= 4.0.0.beta, < 5.0)
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coffee-script (2.2.0)
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coffee-script-source
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execjs
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coffee-script-source (1.6.3)
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erubis (2.7.0)
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execjs (1.4.0)
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multi_json (~> 1.0)
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hike (1.2.3)
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i18n (0.6.4)
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jbuilder (1.4.2)
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activesupport (>= 3.0.0)
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multi_json (>= 1.2.0)
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jquery-rails (3.0.4)
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railties (>= 3.0, < 5.0)
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thor (>= 0.14, < 2.0)
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json (1.8.0)
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libv8 (3.11.8.17)
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mail (2.5.4)
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mime-types (~> 1.16)
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treetop (~> 1.4.8)
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mime-types (1.23)
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minitest (4.7.5)
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moped (1.5.0)
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multi_json (1.7.7)
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origin (1.1.0)
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orm_adapter (0.4.0)
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polyglot (0.3.3)
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rack (1.5.2)
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rack-test (0.6.2)
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rack (>= 1.0)
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rails (4.0.0)
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actionmailer (= 4.0.0)
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actionpack (= 4.0.0)
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activerecord (= 4.0.0)
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activesupport (= 4.0.0)
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bundler (>= 1.3.0, < 2.0)
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railties (= 4.0.0)
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sprockets-rails (~> 2.0.0)
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railties (4.0.0)
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actionpack (= 4.0.0)
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activesupport (= 4.0.0)
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rake (>= 0.8.7)
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thor (>= 0.18.1, < 2.0)
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rake (10.1.0)
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rdoc (3.12.2)
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json (~> 1.4)
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redis (3.0.4)
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ref (1.0.5)
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sass (3.2.9)
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sass-rails (4.0.0)
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railties (>= 4.0.0.beta, < 5.0)
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sass (>= 3.1.10)
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sprockets-rails (~> 2.0.0)
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sdoc (0.3.20)
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json (>= 1.1.3)
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rdoc (~> 3.10)
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sprockets (2.10.0)
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hike (~> 1.2)
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multi_json (~> 1.0)
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rack (~> 1.0)
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tilt (~> 1.1, != 1.3.0)
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sprockets-rails (2.0.0)
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actionpack (>= 3.0)
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activesupport (>= 3.0)
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sprockets (~> 2.8)
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therubyracer (0.11.4)
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libv8 (~> 3.11.8.12)
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ref
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thor (0.18.1)
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thread_safe (0.1.0)
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atomic
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tilt (1.4.1)
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treetop (1.4.14)
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polyglot
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polyglot (>= 0.3.1)
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turbolinks (1.3.0)
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coffee-rails
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tzinfo (0.3.37)
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uglifier (2.1.1)
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execjs (>= 0.3.0)
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multi_json (~> 1.0, >= 1.0.2)
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warden (1.2.3)
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rack (>= 1.0)
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PLATFORMS
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ruby
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DEPENDENCIES
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bson_ext
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coffee-rails (~> 4.0.0)
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devise!
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jbuilder (~> 1.2)
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jquery-rails
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mongoid!
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rails (= 4.0.0)
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redis-actionpack-json!
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redis-rack-json!
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redis-store-json!
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sass-rails (~> 4.0.0)
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sdoc
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therubyracer
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turbolinks
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uglifier (>= 1.3.0)

‎railscookies/README.rdoc

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== README
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This README would normally document whatever steps are necessary to get the
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application up and running.
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Things you may want to cover:
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* Ruby version
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* System dependencies
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* Configuration
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* Database creation
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* Database initialization
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* How to run the test suite
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* Services (job queues, cache servers, search engines, etc.)
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* Deployment instructions
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* ...
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Please feel free to use a different markup language if you do not plan to run
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<tt>rake doc:app</tt>.

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