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devise-remote-user

A devise extension for remote user authentication.

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Installation

Add to Gemfile:

gem 'devise-remote-user'

Then

bundle install

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  • Add :remote_user_authenticatable symbol to devise statement in user model, before other authentication strategies (e.g., :database_authenticatable).
  • Add before_action :authenticate_user! to ApplicationController, if not already present. This ensures that remote user is logged in locally (via database).

Configuration options:

  • env_key - String/Proc (optional, default: 'REMOTE_USER'). Request environment key for the remote user id. Also may be set to a Proc that receives |env| and returns a String.
  • attribute_map - Hash (optional, default: {}). Map of User model attributes to request environment keys for updating the local user when auto-creation is enabled.
  • auto_create - Boolean (optional, default: false). Whether to auto-create a local user from the remote user attributes. Note: Also requires adding the Warden callbacks as shown below.
  • auto_update - Boolean (optional, default: false). Whether to auto-update authenticated user attributes from remote user attributes.
  • login_url - String/Proc (optional, default: nil). If set, the authentication strategy will redirect to the URL if there is not a remotely authenticated user set in the request env (via env_key, above). May be set to a Proc that receives |env| and returns a String.
  • logout_url - String (optional, default: '/'). For redirecting to a remote user logout URL after signing out of the Rails application. Include DeviseRemoteUser::ControllerBehavior in your application controller to enable (by overriding Devise's after_sign_out_path_for).

Set options in a Rails initializer (e.g., config/intializers/devise.rb):

require 'devise_remote_user'

DeviseRemoteUser.configure do |config|
  config.env_key = 'REMOTE_USER'
  config.auto_create = true
  config.auto_update = true
  config.attribute_map = { email: 'mail' }
  config.logout_url = "http://example.com/logout"
  config.login_url = Proc.new { |env| "http://example.com/login?return_to=#{env["REQUEST_URI"]}" }
end

Tests

rake spec runs the test suite.

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A devise extension for remote user authentication

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