Add latest changes from gitlab-org/security/gitlab@14-6-stable-ee

3 files changed, 173 insertions, 153 deletions

diff --git a/spec/support/shared_examples/controllers/sessionless_auth_controller_shared_examples.rb b/spec/support/shared_examples/controllers/sessionless_auth_controller_shared_examples.rb
deleted file mode 100644
index 041695d8111..00000000000
--- a/spec/support/shared_examples/controllers/sessionless_auth_controller_shared_examples.rb
+++ /dev/null
@@ -1,112 +0,0 @@
-# frozen_string_literal: true
-
-# This controller shared examples will be migrated to
-# spec/support/shared_examples/requests/sessionless_auth_request_shared_examples.rb
-# See also https://gitlab.com/groups/gitlab-org/-/epics/5076
-
-RSpec.shared_examples 'authenticates sessionless user' do |path, format, params|
-  params ||= {}
-
-  before do
-    stub_authentication_activity_metrics(debug: false)
-  end
-
-  let(:user) { create(:user) }
-  let(:personal_access_token) { create(:personal_access_token, user: user) }
-  let(:default_params) { { format: format }.merge(params.except(:public) || {}) }
-
-  context "when the 'personal_access_token' param is populated with the personal access token" do
-    it 'logs the user in' do
-      expect(authentication_metrics)
-        .to increment(:user_authenticated_counter)
-              .and increment(:user_session_override_counter)
-                     .and increment(:user_sessionless_authentication_counter)
-
-      get path, params: default_params.merge(private_token: personal_access_token.token)
-
-      expect(response).to have_gitlab_http_status(:ok)
-      expect(controller.current_user).to eq(user)
-    end
-
-    it 'does not log the user in if page is public', if: params[:public] do
-      get path, params: default_params
-
-      expect(response).to have_gitlab_http_status(:ok)
-      expect(controller.current_user).to be_nil
-    end
-  end
-
-  context 'when the personal access token has no api scope', unless: params[:public] do
-    it 'does not log the user in' do
-      # Several instances of where these specs are shared route the request
-      #   through ApplicationController#route_not_found which does not involve
-      #   the usual auth code from Devise, so does not increment the
-      #   :user_unauthenticated_counter
-      #
-      unless params[:ignore_incrementing]
-        expect(authentication_metrics)
-          .to increment(:user_unauthenticated_counter)
-      end
-
-      personal_access_token.update!(scopes: [:read_user])
-
-      get path, params: default_params.merge(private_token: personal_access_token.token)
-
-      expect(response).not_to have_gitlab_http_status(:ok)
-    end
-  end
-
-  context "when the 'PERSONAL_ACCESS_TOKEN' header is populated with the personal access token" do
-    it 'logs the user in' do
-      expect(authentication_metrics)
-        .to increment(:user_authenticated_counter)
-              .and increment(:user_session_override_counter)
-                     .and increment(:user_sessionless_authentication_counter)
-
-      @request.headers['PRIVATE-TOKEN'] = personal_access_token.token
-      get path, params: default_params
-
-      expect(response).to have_gitlab_http_status(:ok)
-    end
-  end
-
-  context "when the 'feed_token' param is populated with the feed token", if: format == :rss do
-    it "logs the user in" do
-      expect(authentication_metrics)
-        .to increment(:user_authenticated_counter)
-              .and increment(:user_session_override_counter)
-                     .and increment(:user_sessionless_authentication_counter)
-
-      get path, params: default_params.merge(feed_token: user.feed_token)
-
-      expect(response).to have_gitlab_http_status(:ok)
-    end
-  end
-
-  context "when the 'feed_token' param is populated with an invalid feed token", if: format == :rss, unless: params[:public] do
-    it "logs the user" do
-      expect(authentication_metrics)
-        .to increment(:user_unauthenticated_counter)
-
-      get path, params: default_params.merge(feed_token: 'token')
-
-      expect(response).not_to have_gitlab_http_status(:ok)
-    end
-  end
-
-  it "doesn't log the user in otherwise", unless: params[:public] do
-    # Several instances of where these specs are shared route the request
-    #   through ApplicationController#route_not_found which does not involve
-    #   the usual auth code from Devise, so does not increment the
-    #   :user_unauthenticated_counter
-    #
-    unless params[:ignore_incrementing]
-      expect(authentication_metrics)
-        .to increment(:user_unauthenticated_counter)
-    end
-
-    get path, params: default_params.merge(private_token: 'token')
-
-    expect(response).not_to have_gitlab_http_status(:ok)
-  end
-end
diff --git a/spec/support/shared_examples/models/integrations/chat_message_shared_examples.rb b/spec/support/shared_examples/models/integrations/chat_message_shared_examples.rb
new file mode 100644
index 00000000000..2665f249ded
--- /dev/null
+++ b/spec/support/shared_examples/models/integrations/chat_message_shared_examples.rb
@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples Integrations::ChatMessage do
+  context 'when input contains link markup' do
+    let(:evil_input) { '[Markdown](http://evil.com) <a href="http://evil.com">HTML</a> <http://evil.com|Slack>' }
+
+    # Attributes returned from #activity and #attributes which should be sanitized.
+    let(:sanitized_attributes) do
+      %i[title subtitle text fallback author_name]
+    end
+
+    # Attributes passed to #initialize which can contain user input.
+    before do
+      args.deep_merge!(
+        project_name: evil_input,
+        user_name: evil_input,
+        user_full_name: evil_input,
+        commit_title: evil_input,
+        environment: evil_input,
+        project: {
+          name: evil_input
+        },
+        user: {
+          name: evil_input,
+          username: evil_input
+        },
+        object_attributes: {
+          title: evil_input
+        }
+      )
+    end
+
+    # NOTE: The `include` matcher is used here so the RSpec error messages will tell us
+    # which method or attribute is failing, even though it makes the spec a bit less readable.
+    it 'strips all link markup characters', :aggregate_failures do
+      expect(subject).not_to have_attributes(
+        pretext: include(evil_input),
+        summary: include(evil_input)
+      )
+
+      begin
+        sanitized_attributes.each do |attribute|
+          expect(subject.activity).not_to include(attribute => include(evil_input))
+        end
+      rescue NotImplementedError
+      end
+
+      begin
+        sanitized_attributes.each do |attribute|
+          expect(subject.attachments).not_to include(include(attribute => include(evil_input)))
+        end
+      rescue NotImplementedError
+      end
+    end
+  end
+end
diff --git a/spec/support/shared_examples/requests/sessionless_auth_request_shared_examples.rb b/spec/support/shared_examples/requests/sessionless_auth_request_shared_examples.rb
index d82da1b01e1..56e90a6ec34 100644
--- a/spec/support/shared_examples/requests/sessionless_auth_request_shared_examples.rb
+++ b/spec/support/shared_examples/requests/sessionless_auth_request_shared_examples.rb
@@ -1,84 +1,160 @@
 # frozen_string_literal: true
 
-RSpec.shared_examples 'authenticates sessionless user for the request spec' do |params|
-  params ||= {}
-
+RSpec.shared_examples 'authenticates sessionless user for the request spec' do |name, public_resource:, ignore_metrics: false, params: {}|
   before do
     stub_authentication_activity_metrics(debug: false)
   end
 
-  let(:user) { create(:user) }
+  let_it_be(:user) { create(:user) }
   let(:personal_access_token) { create(:personal_access_token, user: user) }
-  let(:default_params) { params.except(:public) || {} }
 
-  context "when the 'personal_access_token' param is populated with the personal access token" do
-    it 'logs the user in' do
+  shared_examples 'authenticates user and returns response with ok status' do
+    it 'authenticates user and returns response with ok status' do
       expect(authentication_metrics)
         .to increment(:user_authenticated_counter)
-              .and increment(:user_session_override_counter)
-                     .and increment(:user_sessionless_authentication_counter)
+        .and increment(:user_session_override_counter)
+        .and increment(:user_sessionless_authentication_counter)
 
-      get url, params: default_params.merge(private_token: personal_access_token.token)
+      subject
 
-      expect(response).to have_gitlab_http_status(:ok)
       expect(controller.current_user).to eq(user)
+      expect(response).to have_gitlab_http_status(:ok)
     end
+  end
 
-    it 'does not log the user in if page is public', if: params[:public] do
-      get url, params: default_params
+  shared_examples 'does not authenticate user and returns response with ok status' do
+    it 'does not authenticate user and returns response with ok status' do
+      subject
 
-      expect(response).to have_gitlab_http_status(:ok)
       expect(controller.current_user).to be_nil
+      expect(response).to have_gitlab_http_status(:ok)
     end
   end
 
-  context 'when the personal access token has no api scope', unless: params[:public] do
-    it 'does not log the user in' do
+  shared_examples 'does not return response with ok status' do
+    it 'does not return response with ok status' do
       # Several instances of where these specs are shared route the request
       #   through ApplicationController#route_not_found which does not involve
       #   the usual auth code from Devise, so does not increment the
       #   :user_unauthenticated_counter
-      #
-      unless params[:ignore_incrementing]
+      unless ignore_metrics
         expect(authentication_metrics)
           .to increment(:user_unauthenticated_counter)
       end
 
-      personal_access_token.update!(scopes: [:read_user])
-
-      get url, params: default_params.merge(private_token: personal_access_token.token)
+      subject
 
       expect(response).not_to have_gitlab_http_status(:ok)
     end
   end
 
-  context "when the 'PERSONAL_ACCESS_TOKEN' header is populated with the personal access token" do
-    it 'logs the user in' do
-      expect(authentication_metrics)
-        .to increment(:user_authenticated_counter)
-              .and increment(:user_session_override_counter)
-                     .and increment(:user_sessionless_authentication_counter)
+  shared_examples 'using valid token' do
+    context 'when resource is private', unless: public_resource do
+      include_examples 'authenticates user and returns response with ok status'
 
-      headers = { 'PRIVATE-TOKEN': personal_access_token.token }
-      get url, params: default_params, headers: headers
+      context 'when user with expired password' do
+        let_it_be(:user) { create(:user, password_expires_at: 2.minutes.ago) }
 
-      expect(response).to have_gitlab_http_status(:ok)
+        include_examples 'does not return response with ok status'
+      end
+
+      context 'when password expiration is not applicable' do
+        context 'when ldap user' do
+          let_it_be(:user) { create(:omniauth_user, provider: 'ldap', password_expires_at: 2.minutes.ago) }
+
+          include_examples 'authenticates user and returns response with ok status'
+        end
+      end
+    end
+
+    context 'when resource is public', if: public_resource do
+      include_examples 'authenticates user and returns response with ok status'
+
+      context 'when user with expired password' do
+        let_it_be(:user) { create(:user, password_expires_at: 2.minutes.ago) }
+
+        include_examples 'does not authenticate user and returns response with ok status'
+      end
     end
   end
 
-  it "doesn't log the user in otherwise", unless: params[:public] do
-    # Several instances of where these specs are shared route the request
-    #   through ApplicationController#route_not_found which does not involve
-    #   the usual auth code from Devise, so does not increment the
-    #   :user_unauthenticated_counter
-    #
-    unless params[:ignore_incrementing]
-      expect(authentication_metrics)
-        .to increment(:user_unauthenticated_counter)
+  shared_examples 'using invalid token' do
+    context 'when resource is private', unless: public_resource do
+      include_examples 'does not return response with ok status'
+    end
+
+    context 'when resource is public', if: public_resource do
+      include_examples 'does not authenticate user and returns response with ok status'
+    end
+  end
+
+  shared_examples 'personal access token has no api scope' do
+    context 'when the personal access token has no api scope' do
+      before do
+        personal_access_token.update!(scopes: [:read_user])
+      end
+
+      context 'when resource is private', unless: public_resource do
+        include_examples 'does not return response with ok status'
+      end
+
+      context 'when resource is public', if: public_resource do
+        include_examples 'does not authenticate user and returns response with ok status'
+      end
+    end
+  end
+
+  describe name do
+    context "when the 'private_token' param is populated with the personal access token" do
+      context 'when valid token' do
+        subject { get url, params: params.merge(private_token: personal_access_token.token) }
+
+        include_examples 'using valid token'
+
+        include_examples 'personal access token has no api scope'
+      end
+
+      context 'when invalid token' do
+        subject { get url, params: params.merge(private_token: 'invalid token') }
+
+        include_examples 'using invalid token'
+      end
     end
 
-    get url, params: default_params.merge(private_token: 'token')
+    context "when the 'PRIVATE-TOKEN' header is populated with the personal access token" do
+      context 'when valid token' do
+        subject do
+          headers = { 'PRIVATE-TOKEN': personal_access_token.token }
+          get url, params: params, headers: headers
+        end
 
-    expect(response).not_to have_gitlab_http_status(:ok)
+        include_examples 'using valid token'
+
+        include_examples 'personal access token has no api scope'
+      end
+
+      context 'when invalid token' do
+        subject do
+          headers = { 'PRIVATE-TOKEN': 'invalid token' }
+          get url, params: params, headers: headers
+        end
+
+        include_examples 'using invalid token'
+      end
+    end
+
+    context "when the 'feed_token' param is populated with the feed token" do
+      context 'when valid token' do
+        subject { get url, params: params.merge(feed_token: user.feed_token) }
+
+        include_examples 'using valid token'
+      end
+
+      context 'when invalid token' do
+        subject { get url, params: params.merge(feed_token: 'invalid token') }
+
+        include_examples 'using invalid token'
+      end
+    end
   end
 end