Let's uninvent the wheel

Gemfile

@@ -10,6 +10,8 @@ gem 'addressable'
 
 gem 'recaptcha', :require => 'recaptcha/rails'
 
+gem 'devise'
+
 gem "exception_notification",
   :git => "git://github.com/rails/exception_notification",
   :require => 'exception_notifier'

Gemfile.lock

@@ -38,13 +38,17 @@ GEM
     addressable (2.2.5)
     arel (1.0.1)
       activesupport (~> 3.0.0)
+    bcrypt-ruby (2.1.4)
     builder (2.1.2)
     capistrano (2.6.0)
       highline
       net-scp (>= 1.0.0)
       net-sftp (>= 2.0.0)
       net-ssh (>= 2.0.14)
       net-ssh-gateway (>= 1.1.0)
+    devise (1.1.3)
+      bcrypt-ruby (~> 2.1.2)
+      warden (~> 0.10.7)
     erubis (2.6.6)
       abstract (>= 1.0.0)
     highline (1.6.1)
@@ -90,6 +94,8 @@ GEM
     treetop (1.4.9)
       polyglot (>= 0.3.1)
     tzinfo (0.3.27)
+    warden (0.10.7)
+      rack (>= 1.0.0)
     whenever (0.6.7)
       aaronh-chronic (>= 0.3.9)
       activesupport (>= 2.3.4)
@@ -101,6 +107,7 @@ PLATFORMS
 DEPENDENCIES
   addressable
   capistrano
+  devise
   exception_notification!
   json
   mysql (= 2.8.1)

config/environments/production.rb

@@ -7,4 +7,8 @@
   config.serve_static_assets = false
   config.i18n.fallbacks = true
   config.active_support.deprecation = :notify
+
+  config.action_mailer.default_url_options = {
+    :host => "bitcoin-central.net"
+  }
 end

config/initializers/devise.rb

@@ -0,0 +1,142 @@
+# Use this hook to configure devise mailer, warden hooks and so forth. The first
+# four configuration values can also be set straight in your models.
+Devise.setup do |config|
+  # ==> Mailer Configuration
+  # Configure the e-mail address which will be shown in DeviseMailer.
+  config.mailer_sender = "no-reply@bitcoin-central.net"
+
+  # Configure the class responsible to send e-mails.
+  # config.mailer = "Devise::Mailer"
+
+  # ==> ORM configuration
+  # Load and configure the ORM. Supports :active_record (default) and
+  # :mongoid (bson_ext recommended) by default. Other ORMs may be
+  # available as additional gems.
+  require 'devise/orm/active_record'
+
+  # ==> Configuration for any authentication mechanism
+  # Configure which keys are used when authenticating an user. By default is
+  # just :email. You can configure it to use [:username, :subdomain], so for
+  # authenticating an user, both parameters are required. Remember that those
+  # parameters are used only when authenticating and not when retrieving from
+  # session. If you need permissions, you should implement that in a before filter.
+  config.authentication_keys = [ :email ]
+
+  # Tell if authentication through request.params is enabled. True by default.
+  # config.params_authenticatable = true
+
+  # Tell if authentication through HTTP Basic Auth is enabled. True by default.
+  # config.http_authenticatable = true
+
+  # Set this to true to use Basic Auth for AJAX requests.  True by default.
+  # config.http_authenticatable_on_xhr = true
+
+  # The realm used in Http Basic Authentication
+  config.http_authentication_realm = "Bitcoin Central"
+
+  # ==> Configuration for :database_authenticatable
+  # For bcrypt, this is the cost for hashing the password and defaults to 10. If
+  # using other encryptors, it sets how many times you want the password re-encrypted.
+  config.stretches = 10
+
+  # Define which will be the encryption algorithm. Devise also supports encryptors
+  # from others authentication tools as :clearance_sha1, :authlogic_sha512 (then
+  # you should set stretches above to 20 for default behavior) and :restful_authentication_sha1
+  # (then you should set stretches to 10, and copy REST_AUTH_SITE_KEY to pepper)
+  config.encryptor = :bcrypt
+
+  # Setup a pepper to generate the encrypted password.
+  config.pepper = "91ad1e1ce0cabde16074553f385b11635b09fb44495d546e75a025bb9671f2715f4642e21d4dcf5c10e9077d81fb14833f1a8d29a9aaaea831c348d7f9837aa5"
+
+  # ==> Configuration for :confirmable
+  # The time you want to give your user to confirm his account. During this time
+  # he will be able to access your application without confirming. Default is nil.
+  # When confirm_within is zero, the user won't be able to sign in without confirming. 
+  # You can use this to let your user access some features of your application 
+  # without confirming the account, but blocking it after a certain period 
+  # (ie 2 days). 
+  config.confirm_within = 0
+
+  # ==> Configuration for :rememberable
+  # The time the user will be remembered without asking for credentials again.
+  # config.remember_for = 2.days
+
+  # If true, a valid remember token can be re-used between multiple browsers.
+  config.remember_across_browsers = true
+
+  # If true, extends the user's remember period when remembered via cookie.
+  # config.extend_remember_period = false
+
+  # ==> Configuration for :validatable
+  # Range for password length
+  config.password_length = 6..20
+
+  # Regex to use to validate the email address
+  config.email_regexp = /^([\w\.%\+\-]+)@([\w\-]+\.)+([\w]{2,})$/i
+
+  # ==> Configuration for :timeoutable
+  # The time you want to timeout the user session without activity. After this
+  # time the user will be asked for credentials again.
+  config.timeout_in = 10.minutes
+
+  # ==> Configuration for :lockable
+  # Defines which strategy will be used to lock an account.
+  # :failed_attempts = Locks an account after a number of failed attempts to sign in.
+  # :none            = No lock strategy. You should handle locking by yourself.
+  config.lock_strategy = :failed_attempts
+
+  # Defines which strategy will be used to unlock an account.
+  # :email = Sends an unlock link to the user email
+  # :time  = Re-enables login after a certain amount of time (see :unlock_in below)
+  # :both  = Enables both strategies
+  # :none  = No unlock strategy. You should handle unlocking by yourself.
+  config.unlock_strategy = :both
+
+  # Number of authentication tries before locking an account if lock_strategy
+  # is failed attempts.
+  config.maximum_attempts = 5
+
+  # Time interval to unlock the account if :time is enabled as unlock_strategy.
+  config.unlock_in = 3.hours
+
+  # ==> Configuration for :token_authenticatable
+  # Defines name of the authentication token params key
+  config.token_authentication_key = :auth_token
+
+  # ==> Scopes configuration
+  # Turn scoped views on. Before rendering "sessions/new", it will first check for
+  # "users/sessions/new". It's turned off by default because it's slower if you
+  # are using only default views.
+  # config.scoped_views = true
+
+  # Configure the default scope given to Warden. By default it's the first
+  # devise role declared in your routes.
+  # config.default_scope = :user
+
+  # Configure sign_out behavior. 
+  # By default sign_out is scoped (i.e. /users/sign_out affects only :user scope).
+  # In case of sign_out_all_scopes set to true any logout action will sign out all active scopes.
+  # config.sign_out_all_scopes = false
+
+  # ==> Navigation configuration
+  # Lists the formats that should be treated as navigational. Formats like
+  # :html, should redirect to the sign in page when the user does not have
+  # access, but formats like :xml or :json, should return 401.
+  # If you have any extra navigational formats, like :iphone or :mobile, you
+  # should add them to the navigational formats lists. Default is [:html]
+  # config.navigational_formats = [:html, :iphone]
+
+  # ==> Warden configuration
+  # If you want to use other strategies, that are not (yet) supported by Devise,
+  # you can configure them inside the config.warden block. The example below
+  # allows you to setup OAuth, using http://github.com/roman/warden_oauth
+  #
+  # config.warden do |manager|
+  #   manager.oauth(:twitter) do |twitter|
+  #     twitter.consumer_secret = <YOUR CONSUMER SECRET>
+  #     twitter.consumer_key  = <YOUR CONSUMER KEY>
+  #     twitter.options :site => 'http://twitter.com'
+  #   end
+  #   manager.default_strategies(:scope => :user).unshift :twitter_oauth
+  # end
+end

config/locales/devise.en.yml

@@ -0,0 +1,39 @@
+en:
+  errors:
+    messages:
+      not_found: "not found"
+      already_confirmed: "was already confirmed"
+      not_locked: "was not locked"
+
+  devise:
+    failure:
+      unauthenticated: 'You need to sign in or sign up before continuing.'
+      unconfirmed: 'You have to confirm your account before continuing.'
+      locked: 'Your account is locked.'
+      invalid: 'Invalid email or password.'
+      invalid_token: 'Invalid authentication token.'
+      timeout: 'Your session expired, please sign in again to continue.'
+      inactive: 'Your account was not activated yet.'
+    sessions:
+      signed_in: 'Signed in successfully.'
+      signed_out: 'Signed out successfully.'
+    passwords:
+      send_instructions: 'You will receive an email with instructions about how to reset your password in a few minutes.'
+      updated: 'Your password was changed successfully. You are now signed in.'
+    confirmations:
+      send_instructions: 'You will receive an email with instructions about how to confirm your account in a few minutes.'
+      confirmed: 'Your account was successfully confirmed. You are now signed in.'
+    registrations:
+      signed_up: 'You have signed up successfully. If enabled, a confirmation was sent to your e-mail.'
+      updated: 'You updated your account successfully.'
+      destroyed: 'Bye! Your account was successfully cancelled. We hope to see you again soon.'
+    unlocks:
+      send_instructions: 'You will receive an email with instructions about how to unlock your account in a few minutes.'
+      unlocked: 'Your account was successfully unlocked. You are now signed in.'
+    mailer:
+      confirmation_instructions:
+        subject: 'Confirmation instructions'
+      reset_password_instructions:
+        subject: 'Reset password instructions'
+      unlock_instructions:
+        subject: 'Unlock Instructions'