feat: initial Omniauth Strategy

.gitignore

+Gemfile.lock

.gitlab-ci.yml

+# Official language image. Look for the different tagged releases at:
+# https://hub.docker.com/r/library/ruby/tags/
+image: "ruby:2.3"
+
+# Cache gems in between builds
+cache:
+  paths:
+    - vendor/ruby
+
+# This is a basic example for a gem or script which doesn't use
+# services such as redis or postgres
+before_script:
+  - ruby -v                                   # Print out ruby version for debugging
+  - apt-get update -q && apt-get install libsodium-dev -yqq
+  - gem install bundler  --no-ri --no-rdoc    # Bundler is not installed with the image
+  - bundle install -j $(nproc) --path vendor  # Install dependencies into ./vendor/ruby
+
+test:
+  script:
+  - bundle exec rake test

Gemfile

+source 'https://rubygems.org'
+gemspec
+gem "minitest-autotest"
+gem 'autotest-suffix'
+gem 'byebug'

Rakefile

+require 'rake/testtask'
+
+Rake::TestTask.new do |t|
+  t.pattern = "test/**/*_test.rb"
+  t.libs << 'test'
+end

lib/omni_auth/strategies/sso.rb

+require 'omniauth'
+require 'rbsso/client'
+
+module OmniAuth
+  module Strategies
+    class SSO
+      include OmniAuth::Strategy
+
+      args [:service_id, :client_key]
+      option :fields, [:name, :email]
+      option :uid_field, :email
+
+      SSO_URL = 'neststaging.riseup.net/sso_auth'
+
+      def request_phase
+        redirect authorize_url(options.authorize_params)
+      end
+
+      uid do
+        info_from_ticket[options.uid_field]
+      end
+
+      info do
+        info_from_ticket.slice *options.fields
+      end
+
+      def authorize_url(_params_from_options)
+        params = { s: options.service_id }
+        "https://#{SSO_URL}/?" + params.to_param
+      end
+
+      def name
+        'ai_sso'
+      end
+
+      def info_from_ticket
+        @info_from_ticket ||= client.open request["t"]
+      end
+
+      def client
+        RbSSO::Client.new options.client_key
+      end
+    end
+  end
+end
+OmniAuth.config.add_camelization "sso" , "SSO"

omniauth-sso.gemspec

+Gem::Specification.new do |s|
+  s.name        = 'omniauth-sso'
+  s.version     = '0.1.0'
+  s.licenses    = ['MIT']
+  s.summary     = "Omniauth strategy for ai's sso"
+  s.description = <<-EODESC
+Omniauth strategy for "ai's sso"(https://git.autistici.org/ai/sso) based on rbsso.
+  EODESC
+  s.authors     = ['Azul']
+  s.email       = 'azul@riseup.net'
+  s.files       = Dir['lib/**/*.rb']
+  s.homepage    = 'https://0xacab.org/riseup/omniauth-sso'
+
+  s.add_runtime_dependency 'omniauth', '~> 1.3'
+  s.add_runtime_dependency 'rbsso', '~> 0.1'
+
+  s.add_development_dependency 'rake', '>= 10', '< 13'
+  s.add_development_dependency 'minitest', '~>5.0'
+  s.add_development_dependency 'simplecov', '~> 0.11'
+  s.add_development_dependency 'rack-test', '~> 0.6', '>= 0.6.3'
+  s.add_development_dependency 'conventional-changelog', '~> 1.2'
+
+  s.files         = ['README.md', 'CHANGELOG.md'] + Dir['lib/**/*.rb']
+  s.test_files    = Dir['test/**/*.rb']
+  s.require_paths = ["lib"]
+end

test/gemspec_test.rb

+require 'test_helper'
+require 'bundler'
+
+class GemspecTest < Minitest::Test
+
+  def test_valid
+    spec_path = File.expand_path('../../omniauth-sso.gemspec', __FILE__)
+    spec = Bundler.load_gemspec(spec_path)
+    spec.validate
+  end
+
+end

test/test_helper.rb

+require 'minitest/autorun'