plugin.rb

# frozen_string_literal: true

# name: discourse-siwe-auth
# about: Authenticate users via the Sign In with Ethereum (SIWE) standard
# version: 1.3.2
# authors: EthID
# url: https://siwe.xyz

enabled_site_setting :discourse_siwe_enabled
register_svg_icon 'fab-ethereum'
register_asset 'stylesheets/discourse-siwe-auth.scss'

gem 'forwardable', '1.3.3', require: false
gem 'keccak', '1.3.3', require: false
gem 'rbsecp256k1', '6.0.0', require: false
gem 'konstructor', '1.0.2', require: false
gem 'ffi', '1.17.4', require: false
gem 'ffi-compiler', '1.0.1', require: false
gem 'scrypt', '3.0.7', require: false
gem 'eth', '0.5.11', require: false
gem 'siwe-rb', '0.1.2', require: false

# Load after gem declarations — the strategy file requires 'siwe', which only
# resolves once siwe-rb has been activated above.
%w[
  ../lib/omniauth/strategies/siwe.rb
].each { |path| load File.expand_path(path, __FILE__) }

class ::SiweAuthenticator < ::Auth::ManagedAuthenticator
  def name
    'siwe'
  end

  def register_middleware(omniauth)
    omniauth.provider :siwe,
                      setup: lambda { |env|
                        strategy = env['omniauth.strategy']
                      }
  end

  def enabled?
    SiteSetting.discourse_siwe_enabled
  end

  def primary_email_verified?
    false
  end

  def description_for_auth_hash(auth_token)
    auth_token&.provider_uid || super
  end
end

auth_provider authenticator: ::SiweAuthenticator.new,
              icon: 'fab-ethereum',
              title_setting: :siwe_statement,
              full_screen_login: true

after_initialize do
  load File.expand_path('../app/controllers/discourse_siwe/auth_controller.rb', __FILE__)

  Discourse::Application.routes.prepend do
    get '/discourse-siwe/auth' => 'discourse_siwe/auth#index'
    get '/discourse-siwe/message' => 'discourse_siwe/auth#message'
  end
end