Feature/oauth integration

Gemfile.lock

@@ -46,6 +46,10 @@ PATH
       mobility (>= 1.0.1, < 2.0)
       mobility-actiontext (~> 1.1)
       noticed
+      octokit
+      omniauth
+      omniauth-github (~> 2.0.0)
+      omniauth-rails_csrf_protection
       premailer-rails
       public_activity
       pundit (>= 2.1, < 2.6)
@@ -472,6 +476,8 @@ GEM
       mobility (~> 1.2)
     msgpack (1.8.0)
     multi_json (1.17.0)
+    multi_xml (0.7.1)
+      bigdecimal (~> 3.1)
     multipart-post (2.4.1)
     net-http (0.6.0)
       uri
@@ -493,6 +499,29 @@ GEM
       racc (~> 1.4)
     noticed (2.8.1)
       rails (>= 6.1.0)
+    oauth2 (2.0.9)
+      faraday (>= 0.17.3, < 3.0)
+      jwt (>= 1.0, < 3.0)
+      multi_xml (~> 0.5)
+      rack (>= 1.2, < 4)
+      snaky_hash (~> 2.0)
+      version_gem (~> 1.1)
+    octokit (9.1.0)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
+    omniauth (2.1.2)
+      hashie (>= 3.4.6)
+      rack (>= 2.2.3)
+      rack-protection
+    omniauth-github (2.0.1)
+      omniauth (~> 2.0)
+      omniauth-oauth2 (~> 1.8)
+    omniauth-oauth2 (1.8.0)
+      oauth2 (>= 1.4, < 3)
+      omniauth (~> 2.0)
+    omniauth-rails_csrf_protection (1.0.2)
+      actionpack (>= 4.2)
+      omniauth (~> 2.0)
     optimist (3.2.1)
     orm_adapter (0.5.0)
     parallel (1.27.0)
@@ -723,6 +752,9 @@ GEM
       ffi (~> 1.9)
     sassc-embedded (1.80.4)
       sass-embedded (~> 1.80)
+    sawyer (0.9.2)
+      addressable (>= 2.3.5)
+      faraday (>= 0.17.3, < 3)
     securerandom (0.4.1)
     selenium-webdriver (4.35.0)
       base64 (~> 0.2)
@@ -757,6 +789,9 @@ GEM
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.13.1)
     simplecov_json_formatter (0.1.4)
+    snaky_hash (2.0.1)
+      hashie
+      version_gem (~> 1.1, >= 1.1.1)
     spring (4.4.0)
     spring-watcher-listen (2.1.0)
       listen (>= 2.7, < 4.0)
@@ -803,6 +838,7 @@ GEM
     unicode-emoji (4.1.0)
     uri (1.0.3)
     useragent (0.16.11)
+    version_gem (1.1.4)
     virtus (2.0.0)
       axiom-types (~> 0.1)
       coercible (~> 1.0)

app/builders/better_together/external_platform_builder.rb

@@ -0,0 +1,86 @@
+# frozen_string_literal: true
+
+# app/builders/better_together/external_platform_builder.rb
+
+module BetterTogether
+  # Builder to create external OAuth provider platforms
+  class ExternalPlatformBuilder < Builder
+    OAUTH_PROVIDERS = [
+      {
+        name: 'GitHub',
+        url: 'https://github.com',
+        identifier: 'github',
+        description: 'GitHub OAuth Provider',
+        time_zone: 'UTC'
+      },
+      {
+        name: 'Google',
+        url: 'https://accounts.google.com',
+        identifier: 'google',
+        description: 'Google OAuth Provider',
+        time_zone: 'UTC'
+      },
+      {
+        name: 'Facebook',
+        url: 'https://www.facebook.com',
+        identifier: 'facebook',
+        description: 'Facebook OAuth Provider',
+        time_zone: 'UTC'
+      },
+      {
+        name: 'LinkedIn',
+        url: 'https://linkedin.com',
+        identifier: 'linkedin',
+        description: 'LinkedIn OAuth Provider',
+        time_zone: 'UTC'
+      }
+    ].freeze
+
+    class << self
+      def seed_data
+        puts "Creating #{OAUTH_PROVIDERS.length} external OAuth provider platforms..."
+
+        OAUTH_PROVIDERS.each do |provider_attrs|
+          create_external_platform(provider_attrs)
+        end
+
+        puts '✓ Successfully processed all OAuth providers'
+      end
+
+      # Clear existing external platforms - Use with caution!
+      def clear_existing
+        count = Platform.external.count
+        Platform.external.delete_all
+        puts "✓ Cleared #{count} existing external platforms"
+      end
+
+      private
+
+      def create_external_platform(provider_attrs)
+        platform = Platform.find_or_initialize_by(
+          identifier: provider_attrs[:identifier],
+          external: true
+        )
+
+        if platform.new_record?
+          platform.assign_attributes(
+            name: provider_attrs[:name],
+            url: provider_attrs[:url],
+            description: provider_attrs[:description],
+            time_zone: provider_attrs[:time_zone],
+            external: true,
+            host: false,
+            privacy: 'public'
+          )
+
+          platform.save!
+          puts "  ✓ Created external platform: #{platform.name}"
+        else
+          puts "  - External platform already exists: #{platform.name}"
+        end
+
+        platform
+      end
+    end
+  end
+end

app/controllers/better_together/omniauth_callbacks_controller.rb

@@ -0,0 +1,59 @@
+class BetterTogether::OmniauthCallbacksController < Devise::OmniauthCallbacksController
+  # See https://github.com/omniauth/omniauth/wiki/FAQ#rails-session-is-clobbered-after-callback-on-developer-strategy
+  skip_before_action :verify_authenticity_token, only: %i[github]
+
+  before_action :set_person_platform_integration, except: [:failure]
+  before_action :set_user, except: [:failure]
+
+  attr_reader :person_platform_integration, :user
+
+  # def facebook
+  #   handle_auth "Facebook"
+  # end
+
+  def github
+    handle_auth 'Github'
+  end
+
+  private
+
+  def handle_auth(kind)
+    if user.present?
+      flash[:success] = t 'devise_omniauth_callbacks.success', kind: kind if is_navigational_format?
+      sign_in_and_redirect user, event: :authentication # This handles the redirect
+    else
+      flash[:alert] =
+        t 'devise_omniauth_callbacks.failure', kind:, reason: "#{auth.info.email} is not authorized"
+      redirect_to new_user_registration_path
+    end
+  end
+
+  def auth
+    request.env['omniauth.auth']
+  end
+
+  def set_person_platform_integration
+    @person_platform_integration = BetterTogether::PersonPlatformIntegration.find_by(provider: auth.provider,
+                                                                                     uid: auth.uid)
+  end
+
+  def set_user
+    @user = ::BetterTogether.user_class.from_omniauth(person_platform_integration:, auth:, current_user:)
+  end
+
+  # def github
+  #   @user = ::BetterTogether.user_class.from_omniauth(request.env['omniauth.auth'])
+  #   if @user.persisted?
+  #     sign_in_and_redirect @user
+  #     set_flash_message(:notice, :success, kind: 'Github') if is_navigational_format?
+  #   else
+  #     flash[:error] = 'There was a problem signing you in through Github. Please register or try signing in later.'
+  #     redirect_to new_user_registration_url
+  #   end
+  # end
+
+  def failure
+    flash[:error] = 'There was a problem signing you in. Please register or try signing in later.'
+    redirect_to helpers.base_url
+  end
+end

app/controllers/better_together/person_platform_integrations_controller.rb

@@ -0,0 +1,63 @@
+# frozen_string_literal: true
+
+module BetterTogether
+  class PersonPlatformIntegrationsController < ApplicationController
+    before_action :set_person_platform_integration, only: %i[show edit update destroy]
+
+    # GET /better_together/person_platform_integrations
+    def index
+      @person_platform_integrations = BetterTogether::PersonPlatformIntegration.all
+    end
+
+    # GET /better_together/person_platform_integrations/1
+    def show; end
+
+    # GET /better_together/person_platform_integrations/new
+    def new
+      @person_platform_integration = BetterTogether::PersonPlatformIntegration.new
+    end
+
+    # GET /better_together/person_platform_integrations/1/edit
+    def edit; end
+
+    # POST /better_together/person_platform_integrations
+    def create
+      @better_together_person_platform_integration = BetterTogether::PersonPlatformIntegration.new(person_platform_integration_params)
+
+      if @person_platform_integration.save
+        redirect_to @person_platform_integration, notice: 'PersonPlatformIntegration was successfully created.'
+      else
+        render :new, status: :unprocessable_entity
+      end
+    end
+
+    # PATCH/PUT /better_together/person_platform_integrations/1
+    def update
+      if @person_platform_integration.update(person_platform_integration_params)
+        redirect_to @person_platform_integration, notice: 'PersonPlatformIntegration was successfully updated.',
+                                                  status: :see_other
+      else
+        render :edit, status: :unprocessable_entity
+      end
+    end
+
+    # DELETE /better_together/person_platform_integrations/1
+    def destroy
+      @person_platform_integration.destroy!
+      redirect_to person_platform_integrations_url, notice: 'PersonPlatformIntegration was successfully destroyed.',
+                                                    status: :see_other
+    end
+
+    private
+
+    # Use callbacks to share common setup or constraints between actions.
+    def set_person_platform_integration
+      @person_platform_integration = BetterTogether::PersonPlatformIntegration.find(params[:id])
+    end
+
+    # Only allow a list of trusted parameters through.
+    def person_platform_integration_params
+      params.require(:person_platform_integration).permit(:provider, :uid, :token, :secret, :profile_url, :user_id)
+    end
+  end
+end

app/controllers/better_together/users/omniauth_callbacks_controller.rb

@@ -2,7 +2,7 @@
 
 module BetterTogether
   module Users
-    class OmniauthCallbacksController < ::Devise::OmniauthCallbacksController # rubocop:todo Style/Documentation
+    class OmniauthCallbacksController < BetterTogether::OmniauthCallbacksController # rubocop:todo Style/Documentation
       include DeviseLocales
 
       skip_before_action :check_platform_privacy

app/helpers/better_together/person_platform_integrations_helper.rb

@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+module BetterTogether
+  module PersonPlatformIntegrationsHelper
+  end
+end

app/integrations/better_together/github.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require 'octokit'
+
+module BetterTogether
+  class Github
+    def access_token
+      Octokit::Client.new(bearer_token: jwt).create_app_installation_access_token(Rails.application.credentials.dig(
+                                                                                    :github, :installation_id
+                                                                                  ))[:token]
+    end
+
+    def jwt
+      payload = {
+        iat: Time.now.to_i - 60, # issued at time
+        exp: Time.now.to_i + (10 * 60),
+        iss: Rails.application.credentials.dig(:github, :app_id)
+      }
+      JWT.encode(payload, private_key, 'RS256')
+    end
+
+    def private_key
+      @private_key ||= OpenSSL::PKey::RSA.new(private_pem)
+    end
+
+    def private_pem
+      @private_pem ||= Rails.application.credentials.dig(:github, :private_pem)
+    end
+  end
+end

app/models/better_together/person.rb

@@ -45,6 +45,8 @@ def self.primary_community_delegation_attrs
     has_many :agreement_participants, class_name: 'BetterTogether::AgreementParticipant', dependent: :destroy
     has_many :agreements, through: :agreement_participants
 
+    has_many :person_platform_integrations, dependent: :destroy
+
     has_many :calendars, foreign_key: :creator_id, class_name: 'BetterTogether::Calendar', dependent: :destroy
 
     has_many :event_attendances, class_name: 'BetterTogether::EventAttendance', dependent: :destroy