Merge branch 'fix-14607' into 'master'

Ensure private project snippets are not viewable by unauthorized people

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/14607

See merge request !1946

4 files changed, 341 insertions, 0 deletions

diff --git a/spec/controllers/projects/snippets_controller_spec.rb b/spec/controllers/projects/snippets_controller_spec.rb
new file mode 100644
index 00000000000..0f32a30f18b
--- /dev/null
+++ b/spec/controllers/projects/snippets_controller_spec.rb
@@ -0,0 +1,107 @@
+require 'spec_helper'
+
+describe Projects::SnippetsController do
+  let(:project) { create(:project_empty_repo, :public, snippets_enabled: true) }
+  let(:user)    { create(:user) }
+  let(:user2)   { create(:user) }
+
+  before do
+    project.team << [user, :master]
+    project.team << [user2, :master]
+  end
+
+  describe 'GET #index' do
+    context 'when the project snippet is private' do
+      let!(:project_snippet) { create(:project_snippet, :private, project: project, author: user) }
+
+      context 'when anonymous' do
+        it 'does not include the private snippet' do
+          get :index, namespace_id: project.namespace.path, project_id: project.path
+
+          expect(assigns(:snippets)).not_to include(project_snippet)
+          expect(response.status).to eq(200)
+        end
+      end
+
+      context 'when signed in as the author' do
+        before { sign_in(user) }
+
+        it 'renders the snippet' do
+          get :index, namespace_id: project.namespace.path, project_id: project.path
+
+          expect(assigns(:snippets)).to include(project_snippet)
+          expect(response.status).to eq(200)
+        end
+      end
+
+      context 'when signed in as a project member' do
+        before { sign_in(user2) }
+
+        it 'renders the snippet' do
+          get :index, namespace_id: project.namespace.path, project_id: project.path
+
+          expect(assigns(:snippets)).to include(project_snippet)
+          expect(response.status).to eq(200)
+        end
+      end
+    end
+  end
+
+  %w[show raw].each do |action|
+    describe "GET ##{action}" do
+      context 'when the project snippet is private' do
+        let(:project_snippet) { create(:project_snippet, :private, project: project, author: user) }
+
+        context 'when anonymous' do
+          it 'responds with status 404' do
+            get action, namespace_id: project.namespace.path, project_id: project.path, id: project_snippet.to_param
+
+            expect(response.status).to eq(404)
+          end
+        end
+
+        context 'when signed in as the author' do
+          before { sign_in(user) }
+
+          it 'renders the snippet' do
+            get action, namespace_id: project.namespace.path, project_id: project.path, id: project_snippet.to_param
+
+            expect(assigns(:snippet)).to eq(project_snippet)
+            expect(response.status).to eq(200)
+          end
+        end
+
+        context 'when signed in as a project member' do
+          before { sign_in(user2) }
+
+          it 'renders the snippet' do
+            get action, namespace_id: project.namespace.path, project_id: project.path, id: project_snippet.to_param
+
+            expect(assigns(:snippet)).to eq(project_snippet)
+            expect(response.status).to eq(200)
+          end
+        end
+      end
+
+      context 'when the project snippet does not exist' do
+        context 'when anonymous' do
+          it 'responds with status 404' do
+            get action, namespace_id: project.namespace.path, project_id: project.path, id: 42
+
+            expect(response.status).to eq(404)
+          end
+        end
+
+        context 'when signed in' do
+          before { sign_in(user) }
+
+          it 'responds with status 404' do
+            get action, namespace_id: project.namespace.path, project_id: project.path, id: 42
+
+            expect(response.status).to eq(404)
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/spec/features/security/project/snippet/internal_access_spec.rb b/spec/features/security/project/snippet/internal_access_spec.rb
new file mode 100644
index 00000000000..db53a9cec97
--- /dev/null
+++ b/spec/features/security/project/snippet/internal_access_spec.rb
@@ -0,0 +1,78 @@
+require 'spec_helper'
+
+describe "Internal Project Snippets Access", feature: true  do
+  include AccessMatchers
+
+  let(:project) { create(:project, :internal) }
+
+  let(:owner)     { project.owner }
+  let(:master)    { create(:user) }
+  let(:developer) { create(:user) }
+  let(:reporter)  { create(:user) }
+  let(:guest)     { create(:user) }
+  let(:internal_snippet) { create(:project_snippet, :internal, project: project, author: owner) }
+  let(:private_snippet)  { create(:project_snippet, :private, project: project, author: owner) }
+
+  before do
+    project.team << [master, :master]
+    project.team << [developer, :developer]
+    project.team << [reporter, :reporter]
+    project.team << [guest, :guest]
+  end
+
+  describe "GET /:project_path/snippets" do
+    subject { namespace_project_snippets_path(project.namespace, project) }
+
+    it { is_expected.to be_allowed_for :admin }
+    it { is_expected.to be_allowed_for owner }
+    it { is_expected.to be_allowed_for master }
+    it { is_expected.to be_allowed_for developer }
+    it { is_expected.to be_allowed_for reporter }
+    it { is_expected.to be_allowed_for guest }
+    it { is_expected.to be_allowed_for :user }
+    it { is_expected.to be_denied_for :external }
+    it { is_expected.to be_denied_for :visitor }
+  end
+
+  describe "GET /:project_path/snippets/new" do
+    subject { new_namespace_project_snippet_path(project.namespace, project) }
+
+    it { is_expected.to be_allowed_for :admin }
+    it { is_expected.to be_allowed_for owner }
+    it { is_expected.to be_allowed_for master }
+    it { is_expected.to be_allowed_for developer }
+    it { is_expected.to be_allowed_for reporter }
+    it { is_expected.to be_denied_for guest }
+    it { is_expected.to be_denied_for :user }
+    it { is_expected.to be_denied_for :external }
+    it { is_expected.to be_denied_for :visitor }
+  end
+
+  describe "GET /:project_path/snippets/:id for an internal snippet" do
+    subject { namespace_project_snippet_path(project.namespace, project, internal_snippet) }
+
+    it { is_expected.to be_allowed_for :admin }
+    it { is_expected.to be_allowed_for owner }
+    it { is_expected.to be_allowed_for master }
+    it { is_expected.to be_allowed_for developer }
+    it { is_expected.to be_allowed_for reporter }
+    it { is_expected.to be_allowed_for guest }
+    it { is_expected.to be_allowed_for :user }
+    it { is_expected.to be_denied_for :external }
+    it { is_expected.to be_denied_for :visitor }
+  end
+
+  describe "GET /:project_path/snippets/:id for a private snippet" do
+    subject { namespace_project_snippet_path(project.namespace, project, private_snippet) }
+
+    it { is_expected.to be_allowed_for :admin }
+    it { is_expected.to be_allowed_for owner }
+    it { is_expected.to be_allowed_for master }
+    it { is_expected.to be_allowed_for developer }
+    it { is_expected.to be_allowed_for reporter }
+    it { is_expected.to be_allowed_for guest }
+    it { is_expected.to be_denied_for :user }
+    it { is_expected.to be_denied_for :external }
+    it { is_expected.to be_denied_for :visitor }
+  end
+end
diff --git a/spec/features/security/project/snippet/private_access_spec.rb b/spec/features/security/project/snippet/private_access_spec.rb
new file mode 100644
index 00000000000..d23d645c8e5
--- /dev/null
+++ b/spec/features/security/project/snippet/private_access_spec.rb
@@ -0,0 +1,63 @@
+require 'spec_helper'
+
+describe "Private Project Snippets Access", feature: true  do
+  include AccessMatchers
+
+  let(:project) { create(:project, :private) }
+
+  let(:owner)     { project.owner }
+  let(:master)    { create(:user) }
+  let(:developer) { create(:user) }
+  let(:reporter)  { create(:user) }
+  let(:guest)     { create(:user) }
+  let(:private_snippet)  { create(:project_snippet, :private, project: project, author: owner) }
+
+  before do
+    project.team << [master, :master]
+    project.team << [developer, :developer]
+    project.team << [reporter, :reporter]
+    project.team << [guest, :guest]
+  end
+
+  describe "GET /:project_path/snippets" do
+    subject { namespace_project_snippets_path(project.namespace, project) }
+
+    it { is_expected.to be_allowed_for :admin }
+    it { is_expected.to be_allowed_for owner }
+    it { is_expected.to be_allowed_for master }
+    it { is_expected.to be_allowed_for developer }
+    it { is_expected.to be_allowed_for reporter }
+    it { is_expected.to be_allowed_for guest }
+    it { is_expected.to be_denied_for :user }
+    it { is_expected.to be_denied_for :external }
+    it { is_expected.to be_denied_for :visitor }
+  end
+
+  describe "GET /:project_path/snippets/new" do
+    subject { new_namespace_project_snippet_path(project.namespace, project) }
+
+    it { is_expected.to be_allowed_for :admin }
+    it { is_expected.to be_allowed_for owner }
+    it { is_expected.to be_allowed_for master }
+    it { is_expected.to be_allowed_for developer }
+    it { is_expected.to be_allowed_for reporter }
+    it { is_expected.to be_denied_for guest }
+    it { is_expected.to be_denied_for :user }
+    it { is_expected.to be_denied_for :external }
+    it { is_expected.to be_denied_for :visitor }
+  end
+
+  describe "GET /:project_path/snippets/:id for a private snippet" do
+    subject { namespace_project_snippet_path(project.namespace, project, private_snippet) }
+
+    it { is_expected.to be_allowed_for :admin }
+    it { is_expected.to be_allowed_for owner }
+    it { is_expected.to be_allowed_for master }
+    it { is_expected.to be_allowed_for developer }
+    it { is_expected.to be_allowed_for reporter }
+    it { is_expected.to be_allowed_for guest }
+    it { is_expected.to be_denied_for :user }
+    it { is_expected.to be_denied_for :external }
+    it { is_expected.to be_denied_for :visitor }
+  end
+end
diff --git a/spec/features/security/project/snippet/public_access_spec.rb b/spec/features/security/project/snippet/public_access_spec.rb
new file mode 100644
index 00000000000..e3665b6116a
--- /dev/null
+++ b/spec/features/security/project/snippet/public_access_spec.rb
@@ -0,0 +1,93 @@
+require 'spec_helper'
+
+describe "Public Project Snippets Access", feature: true  do
+  include AccessMatchers
+
+  let(:project) { create(:project, :public) }
+
+  let(:owner)     { project.owner }
+  let(:master)    { create(:user) }
+  let(:developer) { create(:user) }
+  let(:reporter)  { create(:user) }
+  let(:guest)     { create(:user) }
+  let(:public_snippet)   { create(:project_snippet, :public, project: project, author: owner) }
+  let(:internal_snippet) { create(:project_snippet, :internal, project: project, author: owner) }
+  let(:private_snippet)  { create(:project_snippet, :private, project: project, author: owner) }
+
+  before do
+    project.team << [master, :master]
+    project.team << [developer, :developer]
+    project.team << [reporter, :reporter]
+    project.team << [guest, :guest]
+  end
+
+  describe "GET /:project_path/snippets" do
+    subject { namespace_project_snippets_path(project.namespace, project) }
+
+    it { is_expected.to be_allowed_for :admin }
+    it { is_expected.to be_allowed_for owner }
+    it { is_expected.to be_allowed_for master }
+    it { is_expected.to be_allowed_for developer }
+    it { is_expected.to be_allowed_for reporter }
+    it { is_expected.to be_allowed_for guest }
+    it { is_expected.to be_allowed_for :user }
+    it { is_expected.to be_allowed_for :external }
+    it { is_expected.to be_allowed_for :visitor }
+  end
+
+  describe "GET /:project_path/snippets/new" do
+    subject { new_namespace_project_snippet_path(project.namespace, project) }
+
+    it { is_expected.to be_allowed_for :admin }
+    it { is_expected.to be_allowed_for owner }
+    it { is_expected.to be_allowed_for master }
+    it { is_expected.to be_allowed_for developer }
+    it { is_expected.to be_allowed_for reporter }
+    it { is_expected.to be_denied_for guest }
+    it { is_expected.to be_denied_for :user }
+    it { is_expected.to be_denied_for :external }
+    it { is_expected.to be_denied_for :visitor }
+  end
+
+  describe "GET /:project_path/snippets/:id for a public snippet" do
+    subject { namespace_project_snippet_path(project.namespace, project, public_snippet) }
+
+    it { is_expected.to be_allowed_for :admin }
+    it { is_expected.to be_allowed_for owner }
+    it { is_expected.to be_allowed_for master }
+    it { is_expected.to be_allowed_for developer }
+    it { is_expected.to be_allowed_for reporter }
+    it { is_expected.to be_allowed_for guest }
+    it { is_expected.to be_allowed_for :user }
+    it { is_expected.to be_allowed_for :external }
+    it { is_expected.to be_allowed_for :visitor }
+  end
+
+  describe "GET /:project_path/snippets/:id for an internal snippet" do
+    subject { namespace_project_snippet_path(project.namespace, project, internal_snippet) }
+
+    it { is_expected.to be_allowed_for :admin }
+    it { is_expected.to be_allowed_for owner }
+    it { is_expected.to be_allowed_for master }
+    it { is_expected.to be_allowed_for developer }
+    it { is_expected.to be_allowed_for reporter }
+    it { is_expected.to be_allowed_for guest }
+    it { is_expected.to be_allowed_for :user }
+    it { is_expected.to be_denied_for :external }
+    it { is_expected.to be_denied_for :visitor }
+  end
+
+  describe "GET /:project_path/snippets/:id for a private snippet" do
+    subject { namespace_project_snippet_path(project.namespace, project, private_snippet) }
+
+    it { is_expected.to be_allowed_for :admin }
+    it { is_expected.to be_allowed_for owner }
+    it { is_expected.to be_allowed_for master }
+    it { is_expected.to be_allowed_for developer }
+    it { is_expected.to be_allowed_for reporter }
+    it { is_expected.to be_allowed_for guest }
+    it { is_expected.to be_denied_for :user }
+    it { is_expected.to be_denied_for :external }
+    it { is_expected.to be_denied_for :visitor }
+  end
+end