require 'spec_helper_integration'

module Doorkeeper
  describe Application do
    let(:require_owner) { Doorkeeper.configuration.instance_variable_set('@confirm_application_owner', true) }
    let(:unset_require_owner) { Doorkeeper.configuration.instance_variable_set('@confirm_application_owner', false) }
    let(:new_application) { FactoryBot.build(:application) }

    let(:uid) { SecureRandom.hex(8) }
    let(:secret) { SecureRandom.hex(8) }

    context 'application_owner is enabled' do
      before do
        Doorkeeper.configure do
          orm DOORKEEPER_ORM
          enable_application_owner
        end
      end

      context 'application owner is not required' do
        before(:each) do
          unset_require_owner
        end

        it 'is valid given valid attributes' do
          expect(new_application).to be_valid
        end
      end

      context 'application owner is required' do
        before(:each) do
          require_owner
          @owner = FactoryBot.build_stubbed(:doorkeeper_testing_user)
        end

        it 'is invalid without an owner' do
          expect(new_application).not_to be_valid
        end

        it 'is valid with an owner' do
          new_application.owner = @owner
          expect(new_application).to be_valid
        end
      end
    end

    it 'is invalid without a name' do
      new_application.name = nil
      expect(new_application).not_to be_valid
    end

    it 'is invalid without determining confidentiality' do
      new_application.confidential = nil
      expect(new_application).not_to be_valid
    end

    it 'generates uid on create' do
      expect(new_application.uid).to be_nil
      new_application.save
      expect(new_application.uid).not_to be_nil
    end

    it 'generates uid on create if an empty string' do
      new_application.uid = ''
      new_application.save
      expect(new_application.uid).not_to be_blank
    end

    it 'generates uid on create unless one is set' do
      new_application.uid = uid
      new_application.save
      expect(new_application.uid).to eq(uid)
    end

    it 'is invalid without uid' do
      new_application.save
      new_application.uid = nil
      expect(new_application).not_to be_valid
    end

    it 'is invalid without redirect_uri' do
      new_application.save
      new_application.redirect_uri = nil
      expect(new_application).not_to be_valid
    end

    it 'checks uniqueness of uid' do
      app1 = FactoryBot.create(:application)
      app2 = FactoryBot.create(:application)
      app2.uid = app1.uid
      expect(app2).not_to be_valid
    end

    it 'expects database to throw an error when uids are the same' do
      app1 = FactoryBot.create(:application)
      app2 = FactoryBot.create(:application)
      app2.uid = app1.uid
      expect { app2.save!(validate: false) }.to raise_error(uniqueness_error)
    end

    it 'generate secret on create' do
      expect(new_application.secret).to be_nil
      new_application.save
      expect(new_application.secret).not_to be_nil
    end

    it 'generate secret on create if is blank string' do
      new_application.secret = ''
      new_application.save
      expect(new_application.secret).not_to be_blank
    end

    it 'generate secret on create unless one is set' do
      new_application.secret = secret
      new_application.save
      expect(new_application.secret).to eq(secret)
    end

    it 'is invalid without secret' do
      new_application.save
      new_application.secret = nil
      expect(new_application).not_to be_valid
    end

    describe 'destroy related models on cascade' do
      before(:each) do
        new_application.save
      end

      it 'should destroy its access grants' do
        FactoryBot.create(:access_grant, application: new_application)
        expect { new_application.destroy }.to change { Doorkeeper::AccessGrant.count }.by(-1)
      end

      it 'should destroy its access tokens' do
        FactoryBot.create(:access_token, application: new_application)
        FactoryBot.create(:access_token, application: new_application, revoked_at: Time.now.utc)
        expect do
          new_application.destroy
        end.to change { Doorkeeper::AccessToken.count }.by(-2)
      end
    end

    describe :ordered_by do
      let(:applications) { FactoryBot.create_list(:application, 5) }

      context 'when a direction is not specified' do
        it 'calls order with a default order of asc' do
          names = applications.map(&:name).sort
          expect(Application.ordered_by(:name).map(&:name)).to eq(names)
        end
      end

      context 'when a direction is specified' do
        it 'calls order with specified direction' do
          names = applications.map(&:name).sort.reverse
          expect(Application.ordered_by(:name, :desc).map(&:name)).to eq(names)
        end
      end
    end

    describe "#redirect_uri=" do
      context "when array of valid redirect_uris" do
        it "should join by newline" do
          new_application.redirect_uri = ['http://localhost/callback1', 'http://localhost/callback2']
          expect(new_application.redirect_uri).to eq("http://localhost/callback1\nhttp://localhost/callback2")
        end
      end
      context "when string of valid redirect_uris" do
        it "should store as-is" do
          new_application.redirect_uri = "http://localhost/callback1\nhttp://localhost/callback2"
          expect(new_application.redirect_uri).to eq("http://localhost/callback1\nhttp://localhost/callback2")
        end
      end
    end

    describe :authorized_for do
      let(:resource_owner) { double(:resource_owner, id: 10) }

      it 'is empty if the application is not authorized for anyone' do
        expect(Application.authorized_for(resource_owner)).to be_empty
      end

      it 'returns only application for a specific resource owner' do
        FactoryBot.create(:access_token, resource_owner_id: resource_owner.id + 1)
        token = FactoryBot.create(:access_token, resource_owner_id: resource_owner.id)
        expect(Application.authorized_for(resource_owner)).to eq([token.application])
      end

      it 'excludes revoked tokens' do
        FactoryBot.create(:access_token, resource_owner_id: resource_owner.id, revoked_at: 2.days.ago)
        expect(Application.authorized_for(resource_owner)).to be_empty
      end

      it 'returns all applications that have been authorized' do
        token1 = FactoryBot.create(:access_token, resource_owner_id: resource_owner.id)
        token2 = FactoryBot.create(:access_token, resource_owner_id: resource_owner.id)
        expect(Application.authorized_for(resource_owner)).to eq([token1.application, token2.application])
      end

      it 'returns only one application even if it has been authorized twice' do
        application = FactoryBot.create(:application)
        FactoryBot.create(:access_token, resource_owner_id: resource_owner.id, application: application)
        FactoryBot.create(:access_token, resource_owner_id: resource_owner.id, application: application)
        expect(Application.authorized_for(resource_owner)).to eq([application])
      end
    end

    describe :by_uid_and_secret do
      context "when application is private/confidential" do
        it "finds the application via uid/secret" do
          app = FactoryBot.create :application
          authenticated = Application.by_uid_and_secret(app.uid, app.secret)
          expect(authenticated).to eq(app)
        end
        context "when secret is wrong" do
          it "should not find the application" do
            app = FactoryBot.create :application
            authenticated = Application.by_uid_and_secret(app.uid, 'bad')
            expect(authenticated).to eq(nil)
          end
        end
      end

      context "when application is public/non-confidential" do
        context "when secret is blank" do
          it "should find the application" do
            app = FactoryBot.create :application, confidential: false
            authenticated = Application.by_uid_and_secret(app.uid, nil)
            expect(authenticated).to eq(app)
          end
        end
        context "when secret is wrong" do
          it "should not find the application" do
            app = FactoryBot.create :application, confidential: false
            authenticated = Application.by_uid_and_secret(app.uid, 'bad')
            expect(authenticated).to eq(nil)
          end
        end
      end
    end

    describe :confidential? do
      subject { FactoryBot.create(:application, confidential: confidential).confidential? }

      context 'when application is private/confidential' do
        let(:confidential) { true }
        it { expect(subject).to eq(true) }
      end

      context 'when application is public/non-confidential' do
        let(:confidential) { false }
        it { expect(subject).to eq(false) }
      end
    end

    describe :confidential do
      subject { FactoryBot.create(:application, confidential: confidential).confidential }

      context 'when application is private/confidential' do
        let(:confidential) { true }
        it { expect(subject).to eq(true) }
      end

      context 'when application is public/non-confidential' do
        let(:confidential) { false }
        it { expect(subject).to eq(false) }
      end

      context 'when the application does not support confidentiality' do
        let(:confidential) { false }

        before { allow(Application).to receive(:supports_confidentiality?).and_return(false) }

        it 'warns of the CVE' do
          expect(ActiveSupport::Deprecation).to receive(:warn).with(
            'You are susceptible to security bug ' \
            'CVE-2018-1000211. Please follow instructions outlined in ' \
            'Doorkeeper::CVE_2018_1000211_WARNING'
          )
          Application.new.confidential
        end

        it { expect(subject).to eq(true) }
      end
    end

    describe :supports_confidentiality? do
      context 'when no column' do
        it 'returns false' do
          expect(Application).to receive(:column_names).and_return(%w[foo bar])
          expect(Application.supports_confidentiality?).to eq(false)
        end
      end
      context 'when column' do
        it 'returns true' do
          expect(Application).to receive(:column_names).and_return(%w[foo bar confidential])
          expect(Application.supports_confidentiality?).to eq(true)
        end
      end
    end
  end
end