Merge branch 'mc/bug/38984-wildcard-protected-tags' into 'security-10-4'

Fix using wildcards in protected tags to expose protected variables

app/models/project.rb

@@ -1589,9 +1589,12 @@ class Project < ActiveRecord::Base
   end
 
   def protected_for?(ref)
-    ProtectedBranch.protected?(self, ref) ||
+    if repository.branch_exists?(ref)
+      ProtectedBranch.protected?(self, ref)
+    elsif repository.tag_exists?(ref)
       ProtectedTag.protected?(self, ref)
     end
+  end
 
   def deployment_variables
     return [] unless deployment_platform

changelogs/unreleased/mc-bug-38984-wildcard-protected-tags.yml

+---
+title: Fix wilcard protected tags protecting all branches
+merge_request:
+author:
+type: security

spec/models/ci/build_spec.rb

@@ -1590,7 +1590,7 @@ describe Ci::Build do
 
       context 'when the branch is protected' do
         before do
-          create(:protected_branch, project: build.project, name: build.ref)
+          allow(build.project).to receive(:protected_for?).with(build.ref).and_return(true)
         end
 
         it { is_expected.to include(protected_variable) }
@@ -1598,7 +1598,7 @@ describe Ci::Build do
 
       context 'when the tag is protected' do
         before do
-          create(:protected_tag, project: build.project, name: build.ref)
+          allow(build.project).to receive(:protected_for?).with(build.ref).and_return(true)
         end
 
         it { is_expected.to include(protected_variable) }
@@ -1635,7 +1635,7 @@ describe Ci::Build do
 
       context 'when the branch is protected' do
         before do
-          create(:protected_branch, project: build.project, name: build.ref)
+          allow(build.project).to receive(:protected_for?).with(build.ref).and_return(true)
         end
 
         it { is_expected.to include(protected_variable) }
@@ -1643,7 +1643,7 @@ describe Ci::Build do
 
       context 'when the tag is protected' do
         before do
-          create(:protected_tag, project: build.project, name: build.ref)
+          allow(build.project).to receive(:protected_for?).with(build.ref).and_return(true)
         end
 
         it { is_expected.to include(protected_variable) }

spec/models/group_spec.rb

@@ -549,7 +549,7 @@ describe Group do
 
     context 'when the ref is a protected branch' do
       before do
-        create(:protected_branch, name: 'ref', project: project)
+        allow(project).to receive(:protected_for?).with('ref').and_return(true)
       end
 
       it_behaves_like 'ref is protected'
@@ -557,7 +557,7 @@ describe Group do
 
     context 'when the ref is a protected tag' do
       before do
-        create(:protected_tag, name: 'ref', project: project)
+        allow(project).to receive(:protected_for?).with('ref').and_return(true)
       end
 
       it_behaves_like 'ref is protected'
@@ -571,6 +571,10 @@ describe Group do
       let(:variable_child_2) { create(:ci_group_variable, group: group_child_2) }
       let(:variable_child_3) { create(:ci_group_variable, group: group_child_3) }
 
+      before do
+        allow(project).to receive(:protected_for?).with('ref').and_return(true)
+      end
+
       it 'returns all variables belong to the group and parent groups' do
         expected_array1 = [protected_variable, secret_variable]
         expected_array2 = [variable_child, variable_child_2, variable_child_3]

spec/models/project_spec.rb

@@ -2092,7 +2092,7 @@ describe Project do
 
     context 'when the ref is a protected branch' do
       before do
-        create(:protected_branch, name: 'ref', project: project)
+        allow(project).to receive(:protected_for?).with('ref').and_return(true)
       end
 
       it_behaves_like 'ref is protected'
@@ -2100,7 +2100,7 @@ describe Project do
 
     context 'when the ref is a protected tag' do
       before do
-        create(:protected_tag, name: 'ref', project: project)
+        allow(project).to receive(:protected_for?).with('ref').and_return(true)
       end
 
       it_behaves_like 'ref is protected'
@@ -2125,6 +2125,8 @@ describe Project do
 
     context 'when the ref is a protected branch' do
       before do
+        allow(project).to receive(:repository).and_call_original
+        allow(project).to receive_message_chain(:repository, :branch_exists?).and_return(true)
         create(:protected_branch, name: 'ref', project: project)
       end
 
@@ -2135,6 +2137,8 @@ describe Project do
 
     context 'when the ref is a protected tag' do
       before do
+        allow(project).to receive_message_chain(:repository, :branch_exists?).and_return(false)
+        allow(project).to receive_message_chain(:repository, :tag_exists?).and_return(true)
         create(:protected_tag, name: 'ref', project: project)
       end