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path: root/spec/controllers/uploads_controller_spec.rb
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require 'spec_helper'
shared_examples 'content not cached without revalidation' do
  it 'ensures content will not be cached without revalidation' do
    expect(subject['Cache-Control']).to eq('max-age=0, private, must-revalidate')
  end
end

describe UploadsController do
  let!(:user) { create(:user, avatar: fixture_file_upload(Rails.root + "spec/fixtures/dk.png", "image/png")) }

  describe 'POST create' do
    let(:model)   { 'personal_snippet' }
    let(:snippet) { create(:personal_snippet, :public) }
    let(:jpg)     { fixture_file_upload(Rails.root + 'spec/fixtures/rails_sample.jpg', 'image/jpg') }
    let(:txt)     { fixture_file_upload(Rails.root + 'spec/fixtures/doc_sample.txt', 'text/plain') }

    context 'when a user does not have permissions to upload a file' do
      it "returns 401 when the user is not logged in" do
        post :create, model: model, id: snippet.id, format: :json

        expect(response).to have_http_status(401)
      end

      it "returns 404 when user can't comment on a snippet" do
        private_snippet = create(:personal_snippet, :private)

        sign_in(user)
        post :create, model: model, id: private_snippet.id, format: :json

        expect(response).to have_http_status(404)
      end
    end

    context 'when a user is logged in' do
      before do
        sign_in(user)
      end

      it "returns an error without file" do
        post :create, model: model, id: snippet.id, format: :json

        expect(response).to have_http_status(422)
      end

      it "returns an error with invalid model" do
        expect { post :create, model: 'invalid', id: snippet.id, format: :json }
        .to raise_error(ActionController::UrlGenerationError)
      end

      it "returns 404 status when object not found" do
        post :create, model: model, id: 9999, format: :json

        expect(response).to have_http_status(404)
      end

      context 'with valid image' do
        before do
          post :create, model: 'personal_snippet', id: snippet.id, file: jpg, format: :json
        end

        it 'returns a content with original filename, new link, and correct type.' do
          expect(response.body).to match '\"alt\":\"rails_sample\"'
          expect(response.body).to match "\"url\":\"/uploads"
        end

        it 'creates a corresponding Upload record' do
          upload = Upload.last

          aggregate_failures do
            expect(upload).to exist
            expect(upload.model).to eq snippet
          end
        end
      end

      context 'with valid non-image file' do
        before do
          post :create, model: 'personal_snippet', id: snippet.id, file: txt, format: :json
        end

        it 'returns a content with original filename, new link, and correct type.' do
          expect(response.body).to match '\"alt\":\"doc_sample.txt\"'
          expect(response.body).to match "\"url\":\"/uploads"
        end

        it 'creates a corresponding Upload record' do
          upload = Upload.last

          aggregate_failures do
            expect(upload).to exist
            expect(upload.model).to eq snippet
          end
        end
      end

      context 'temporal with valid image' do
        subject do
          post :create, model: 'personal_snippet', file: jpg, format: :json
        end

        it 'returns a content with original filename, new link, and correct type.' do
          subject

          expect(response.body).to match '\"alt\":\"rails_sample\"'
          expect(response.body).to match "\"url\":\"/uploads/-/system/temp"
        end

        it 'does not create an Upload record' do
          expect { subject }.not_to change { Upload.count }
        end
      end

      context 'temporal with valid non-image file' do
        subject do
          post :create, model: 'personal_snippet', file: txt, format: :json
        end

        it 'returns a content with original filename, new link, and correct type.' do
          subject

          expect(response.body).to match '\"alt\":\"doc_sample.txt\"'
          expect(response.body).to match "\"url\":\"/uploads/-/system/temp"
        end

        it 'does not create an Upload record' do
          expect { subject }.not_to change { Upload.count }
        end
      end
    end
  end

  describe "GET show" do
    context 'Content-Disposition security measures' do
      let(:project) { create(:project, :public) }

      context 'for PNG files' do
        it 'returns Content-Disposition: inline' do
          note = create(:note, :with_attachment, project: project)
          get :show, model: 'note', mounted_as: 'attachment', id: note.id, filename: 'image.png'

          expect(response['Content-Disposition']).to start_with('inline;')
        end
      end

      context 'for SVG files' do
        it 'returns Content-Disposition: attachment' do
          note = create(:note, :with_svg_attachment, project: project)
          get :show, model: 'note', mounted_as: 'attachment', id: note.id, filename: 'image.svg'

          expect(response['Content-Disposition']).to start_with('attachment;')
        end
      end
    end

    context "when viewing a user avatar" do
      context "when signed in" do
        before do
          sign_in(user)
        end

        context "when the user is blocked" do
          before do
            user.block
          end

          it "redirects to the sign in page" do
            get :show, model: "user", mounted_as: "avatar", id: user.id, filename: "image.png"

            expect(response).to redirect_to(new_user_session_path)
          end
        end

        context "when the user isn't blocked" do
          it "responds with status 200" do
            get :show, model: "user", mounted_as: "avatar", id: user.id, filename: "image.png"

            expect(response).to have_http_status(200)
          end

          it_behaves_like 'content not cached without revalidation' do
            subject do
              get :show, model: 'user', mounted_as: 'avatar', id: user.id, filename: 'image.png'
              response
            end
          end
        end
      end

      context "when not signed in" do
        it "responds with status 200" do
          get :show, model: "user", mounted_as: "avatar", id: user.id, filename: "image.png"

          expect(response).to have_http_status(200)
        end

        it_behaves_like 'content not cached without revalidation' do
          subject do
            get :show, model: 'user', mounted_as: 'avatar', id: user.id, filename: 'image.png'
            response
          end
        end
      end
    end

    context "when viewing a project avatar" do
      let!(:project) { create(:project, avatar: fixture_file_upload(Rails.root + "spec/fixtures/dk.png", "image/png")) }

      context "when the project is public" do
        before do
          project.update_attribute(:visibility_level, Project::PUBLIC)
        end

        context "when not signed in" do
          it "responds with status 200" do
            get :show, model: "project", mounted_as: "avatar", id: project.id, filename: "image.png"

            expect(response).to have_http_status(200)
          end

          it_behaves_like 'content not cached without revalidation' do
            subject do
              get :show, model: 'project', mounted_as: 'avatar', id: project.id, filename: 'image.png'
              response
            end
          end
        end

        context "when signed in" do
          before do
            sign_in(user)
          end

          it "responds with status 200" do
            get :show, model: "project", mounted_as: "avatar", id: project.id, filename: "image.png"

            expect(response).to have_http_status(200)
          end

          it_behaves_like 'content not cached without revalidation' do
            subject do
              get :show, model: 'project', mounted_as: 'avatar', id: project.id, filename: 'image.png'
              response
            end
          end
        end
      end

      context "when the project is private" do
        before do
          project.update_attribute(:visibility_level, Project::PRIVATE)
        end

        context "when not signed in" do
          it "redirects to the sign in page" do
            get :show, model: "project", mounted_as: "avatar", id: project.id, filename: "image.png"

            expect(response).to redirect_to(new_user_session_path)
          end
        end

        context "when signed in" do
          before do
            sign_in(user)
          end

          context "when the user has access to the project" do
            before do
              project.team << [user, :master]
            end

            context "when the user is blocked" do
              before do
                user.block
                project.team << [user, :master]
              end

              it "redirects to the sign in page" do
                get :show, model: "project", mounted_as: "avatar", id: project.id, filename: "image.png"

                expect(response).to redirect_to(new_user_session_path)
              end
            end

            context "when the user isn't blocked" do
              it "responds with status 200" do
                get :show, model: "project", mounted_as: "avatar", id: project.id, filename: "image.png"

                expect(response).to have_http_status(200)
              end

              it_behaves_like 'content not cached without revalidation' do
                subject do
                  get :show, model: 'project', mounted_as: 'avatar', id: project.id, filename: 'image.png'
                  response
                end
              end
            end
          end

          context "when the user doesn't have access to the project" do
            it "responds with status 404" do
              get :show, model: "project", mounted_as: "avatar", id: project.id, filename: "image.png"

              expect(response).to have_http_status(404)
            end
          end
        end
      end
    end

    context "when viewing a group avatar" do
      let!(:group)   { create(:group, avatar: fixture_file_upload(Rails.root + "spec/fixtures/dk.png", "image/png")) }

      context "when the group is public" do
        context "when not signed in" do
          it "responds with status 200" do
            get :show, model: "group", mounted_as: "avatar", id: group.id, filename: "image.png"

            expect(response).to have_http_status(200)
          end

          it_behaves_like 'content not cached without revalidation' do
            subject do
              get :show, model: 'group', mounted_as: 'avatar', id: group.id, filename: 'image.png'
              response
            end
          end
        end

        context "when signed in" do
          before do
            sign_in(user)
          end

          it "responds with status 200" do
            get :show, model: "group", mounted_as: "avatar", id: group.id, filename: "image.png"

            expect(response).to have_http_status(200)
          end

          it_behaves_like 'content not cached without revalidation' do
            subject do
              get :show, model: 'group', mounted_as: 'avatar', id: group.id, filename: 'image.png'
              response
            end
          end
        end
      end

      context "when the group is private" do
        before do
          group.update_attribute(:visibility_level, Gitlab::VisibilityLevel::PRIVATE)
        end

        context "when signed in" do
          before do
            sign_in(user)
          end

          context "when the user has access to the project" do
            before do
              group.add_developer(user)
            end

            context "when the user is blocked" do
              before do
                user.block
              end

              it "redirects to the sign in page" do
                get :show, model: "group", mounted_as: "avatar", id: group.id, filename: "image.png"

                expect(response).to redirect_to(new_user_session_path)
              end
            end

            context "when the user isn't blocked" do
              it "responds with status 200" do
                get :show, model: "group", mounted_as: "avatar", id: group.id, filename: "image.png"

                expect(response).to have_http_status(200)
              end

              it_behaves_like 'content not cached without revalidation' do
                subject do
                  get :show, model: 'group', mounted_as: 'avatar', id: group.id, filename: 'image.png'
                  response
                end
              end
            end
          end

          context "when the user doesn't have access to the project" do
            it "responds with status 404" do
              get :show, model: "group", mounted_as: "avatar", id: group.id, filename: "image.png"

              expect(response).to have_http_status(404)
            end
          end
        end
      end
    end

    context "when viewing a note attachment" do
      let!(:note) { create(:note, :with_attachment) }
      let(:project) { note.project }

      context "when the project is public" do
        before do
          project.update_attribute(:visibility_level, Project::PUBLIC)
        end

        context "when not signed in" do
          it "responds with status 200" do
            get :show, model: "note", mounted_as: "attachment", id: note.id, filename: "image.png"

            expect(response).to have_http_status(200)
          end

          it_behaves_like 'content not cached without revalidation' do
            subject do
              get :show, model: 'note', mounted_as: 'attachment', id: note.id, filename: 'image.png'
              response
            end
          end
        end

        context "when signed in" do
          before do
            sign_in(user)
          end

          it "responds with status 200" do
            get :show, model: "note", mounted_as: "attachment", id: note.id, filename: "image.png"

            expect(response).to have_http_status(200)
          end

          it_behaves_like 'content not cached without revalidation' do
            subject do
              get :show, model: 'note', mounted_as: 'attachment', id: note.id, filename: 'image.png'
              response
            end
          end
        end
      end

      context "when the project is private" do
        before do
          project.update_attribute(:visibility_level, Project::PRIVATE)
        end

        context "when not signed in" do
          it "redirects to the sign in page" do
            get :show, model: "note", mounted_as: "attachment", id: note.id, filename: "image.png"

            expect(response).to redirect_to(new_user_session_path)
          end
        end

        context "when signed in" do
          before do
            sign_in(user)
          end

          context "when the user has access to the project" do
            before do
              project.team << [user, :master]
            end

            context "when the user is blocked" do
              before do
                user.block
                project.team << [user, :master]
              end

              it "redirects to the sign in page" do
                get :show, model: "note", mounted_as: "attachment", id: note.id, filename: "image.png"

                expect(response).to redirect_to(new_user_session_path)
              end
            end

            context "when the user isn't blocked" do
              it "responds with status 200" do
                get :show, model: "note", mounted_as: "attachment", id: note.id, filename: "image.png"

                expect(response).to have_http_status(200)
              end

              it_behaves_like 'content not cached without revalidation' do
                subject do
                  get :show, model: 'note', mounted_as: 'attachment', id: note.id, filename: 'image.png'
                  response
                end
              end
            end
          end

          context "when the user doesn't have access to the project" do
            it "responds with status 404" do
              get :show, model: "note", mounted_as: "attachment", id: note.id, filename: "image.png"

              expect(response).to have_http_status(404)
            end
          end
        end
      end
    end

    context 'Appearance' do
      context 'when viewing a custom header logo' do
        let!(:appearance) { create :appearance, header_logo: fixture_file_upload(Rails.root.join('spec/fixtures/dk.png'), 'image/png') }

        context 'when not signed in' do
          it 'responds with status 200' do
            get :show, model: 'appearance', mounted_as: 'header_logo', id: appearance.id, filename: 'dk.png'

            expect(response).to have_http_status(200)
          end

          it_behaves_like 'content not cached without revalidation' do
            subject do
              get :show, model: 'appearance', mounted_as: 'header_logo', id: appearance.id, filename: 'dk.png'
              response
            end
          end
        end
      end

      context 'when viewing a custom logo' do
        let!(:appearance) { create :appearance, logo: fixture_file_upload(Rails.root.join('spec/fixtures/dk.png'), 'image/png') }

        context 'when not signed in' do
          it 'responds with status 200' do
            get :show, model: 'appearance', mounted_as: 'logo', id: appearance.id, filename: 'dk.png'

            expect(response).to have_http_status(200)
          end

          it_behaves_like 'content not cached without revalidation' do
            subject do
              get :show, model: 'appearance', mounted_as: 'logo', id: appearance.id, filename: 'dk.png'
              response
            end
          end
        end
      end
    end
  end
end