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README.md

Build Status Gem Version Dependency Status Code Climate

HasSecureToken

HasSecureToken provides an easy way to generate uniques random tokens for any model in ruby on rails. SecureRandom::base58 is used to generate the 24-character unique tokens, so collisions are highly unlikely.

Note If you're worried about possible collissions, there's a way to generate a race condition in the database in the same way that validates_uniqueness_of can. You're encouraged to add an unique index in the database to deal with this even more unlikely scenario.

Installation

Add this line to your application's Gemfile:

gem 'has_secure_token'

And then run:

$ bundle

Or install it yourself as:

$ gem install has_secure_token

Setting your Model

The first step is to generate a migration in order to add the token key field.

rails g migration AddTokenToUsers token:string
=>
   invoke  active_record
   create    db/migrate/20150424010931_add_token_to_users.rb

Then run rake db:migrate in order to update users table in the database. The next step is to add has_secure_token to the model:

# Schema: User(token:string, auth_token:string)
class User < ActiveRecord::Base
  has_secure_token
end

user = User.new
user.save
user.token # => "pX27zsMN2ViQKta1bGfLmVJE"
user.regenerate_token # => true

To use a custom column to store the token key field you can specify the column_name option. See example above (e.g: auth_token):

# Schema: User(token:string, auth_token:string)
class User < ActiveRecord::Base
  has_secure_token :auth_token
end

user = User.new
user.save
user.auth_token # => "pX27zsMN2ViQKta1bGfLmVJE"
user.regenerate_auth_token # => true

Running tests

Running

$ rake test

Should return

5 runs, 9 assertions, 0 failures, 0 errors, 0 skips

Contributing

  1. Fork it ( https://github.com/robertomiranda/has_secure_token/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request

About

Create uniques random tokens for any model in ruby on rails. Backport of ActiveRecord::SecureToken 5 to AR 3.x and 4.x

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