Merge commit 'ce1f35d7e213327549b960bb64f63c67a141ea40' into glitch-soc/merge-upstream

Conflicts:
- `db/schema.rb`:
  Upstream regenerated the schema file using Rails 7, the conflicts are
  caused by our extra columns.
  Applied upstream's changes, but keeping our extra columns.

spec/requests/omniauth_callbacks_spec.rb

@@ -0,0 +1,124 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe 'OmniAuth callbacks' do
+  shared_examples 'omniauth provider callbacks' do |provider|
+    subject { post send "user_#{provider}_omniauth_callback_path" }
+
+    context 'with full information in response' do
+      before do
+        mock_omniauth(provider, {
+          provider: provider.to_s,
+          uid: '123',
+          info: {
+            verified: 'true',
+            email: 'user@host.example',
+          },
+        })
+      end
+
+      context 'without a matching user' do
+        it 'creates a user and an identity and redirects to root path' do
+          expect { subject }
+            .to change(User, :count)
+            .by(1)
+            .and change(Identity, :count)
+            .by(1)
+            .and change(LoginActivity, :count)
+            .by(1)
+
+          expect(User.last.email).to eq('user@host.example')
+          expect(Identity.find_by(user: User.last).uid).to eq('123')
+          expect(response).to redirect_to(root_path)
+        end
+      end
+
+      context 'with a matching user and no matching identity' do
+        before do
+          Fabricate(:user, email: 'user@host.example')
+        end
+
+        it 'matches the existing user, creates an identity, and redirects to root path' do
+          expect { subject }
+            .to not_change(User, :count)
+            .and change(Identity, :count)
+            .by(1)
+            .and change(LoginActivity, :count)
+            .by(1)
+
+          expect(Identity.find_by(user: User.last).uid).to eq('123')
+          expect(response).to redirect_to(root_path)
+        end
+      end
+
+      context 'with a matching user and a matching identity' do
+        before do
+          user = Fabricate(:user, email: 'user@host.example')
+          Fabricate(:identity, user: user, uid: '123', provider: provider)
+        end
+
+        it 'matches the existing records and redirects to root path' do
+          expect { subject }
+            .to not_change(User, :count)
+            .and not_change(Identity, :count)
+            .and change(LoginActivity, :count)
+            .by(1)
+
+          expect(response).to redirect_to(root_path)
+        end
+      end
+    end
+
+    context 'with a response missing email address' do
+      before do
+        mock_omniauth(provider, {
+          provider: provider.to_s,
+          uid: '123',
+          info: {
+            verified: 'true',
+          },
+        })
+      end
+
+      it 'redirects to the auth setup page' do
+        expect { subject }
+          .to change(User, :count)
+          .by(1)
+          .and change(Identity, :count)
+          .by(1)
+          .and change(LoginActivity, :count)
+          .by(1)
+
+        expect(response).to redirect_to(auth_setup_path(missing_email: '1'))
+      end
+    end
+
+    context 'when a user cannot be built' do
+      before do
+        allow(User).to receive(:find_for_oauth).and_return(User.new)
+      end
+
+      it 'redirects to the new user signup page' do
+        expect { subject }
+          .to not_change(User, :count)
+          .and not_change(Identity, :count)
+          .and not_change(LoginActivity, :count)
+
+        expect(response).to redirect_to(new_user_registration_url)
+      end
+    end
+  end
+
+  describe '#openid_connect', if: ENV['OIDC_ENABLED'] == 'true' && ENV['OIDC_SCOPE'].present? do
+    include_examples 'omniauth provider callbacks', :openid_connect
+  end
+
+  describe '#cas', if: ENV['CAS_ENABLED'] == 'true' do
+    include_examples 'omniauth provider callbacks', :cas
+  end
+
+  describe '#saml', if: ENV['SAML_ENABLED'] == 'true' do
+    include_examples 'omniauth provider callbacks', :saml
+  end
+end

spec/support/omniauth_mocks.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+OmniAuth.config.test_mode = true
+
+def mock_omniauth(provider, data)
+  OmniAuth.config.mock_auth[provider] = OmniAuth::AuthHash.new(data)
+end