Restrict access to confidential issues on search results

app/services/search/global_service.rb

@@ -11,7 +11,7 @@ module Search
       projects = ProjectsFinder.new.execute(current_user)
       projects = projects.in_namespace(group.id) if group
-      Gitlab::SearchResults.new(projects, params[:search])
+      Gitlab::SearchResults.new(current_user, projects, params[:search])
     end
   end
 end

app/services/search/project_service.rb

@@ -7,7 +7,8 @@ module Search
     end
     def execute
-      Gitlab::ProjectSearchResults.new(project,
+      Gitlab::ProjectSearchResults.new(current_user,
+                                       project,
                                        params[:search],
                                        params[:repository_ref])
     end

lib/gitlab/project_search_results.rb

@@ -2,7 +2,8 @@ module Gitlab
   class ProjectSearchResults < SearchResults
     attr_reader :project, :repository_ref
-    def initialize(project, query, repository_ref = nil)
+    def initialize(current_user, project, query, repository_ref = nil)
+      @current_user = current_user
       @project = project
       @repository_ref = if repository_ref.present?
                           repository_ref

lib/gitlab/search_results.rb

 module Gitlab
   class SearchResults
-    attr_reader :query
+    attr_reader :current_user, :query
     # Limit search results by passed projects
     # It allows us to search only for projects user has access to
     attr_reader :limit_projects
-    def initialize(limit_projects, query)
+    def initialize(current_user, limit_projects, query)
+      @current_user = current_user
       @limit_projects = limit_projects || Project.all
       @query = Shellwords.shellescape(query) if query.present?
     end
@@ -58,7 +59,7 @@ module Gitlab
     end
     def issues
-      issues = Issue.where(project_id: project_ids_relation)
+      issues = Issue.visible_to_user(current_user).where(project_id: project_ids_relation)
       if query =~ /#(\d+)\z/
         issues = issues.where(iid: $1)

spec/lib/gitlab/project_search_results_spec.rb

 require 'spec_helper'
 describe Gitlab::ProjectSearchResults, lib: true do
+  let(:user) { create(:user) }
   let(:project) { create(:project) }
   let(:query) { 'hello world' }
   describe 'initialize with empty ref' do
-    let(:results) { Gitlab::ProjectSearchResults.new(project, query, '') }
+    let(:results) { Gitlab::ProjectSearchResults.new(user, project, query, '') }
     it { expect(results.project).to eq(project) }
     it { expect(results.repository_ref).to be_nil }
@@ -14,10 +15,74 @@ describe Gitlab::ProjectSearchResults, lib: true do
   describe 'initialize with ref' do
     let(:ref) { 'refs/heads/test' }
-    let(:results) { Gitlab::ProjectSearchResults.new(project, query, ref) }
+    let(:results) { Gitlab::ProjectSearchResults.new(user, project, query, ref) }
     it { expect(results.project).to eq(project) }
     it { expect(results.repository_ref).to eq(ref) }
     it { expect(results.query).to eq('hello world') }
   end
+
+  describe 'confidential issues' do
+    let(:query) { 'issue' }
+    let(:author) { create(:user) }
+    let(:assignee) { create(:user) }
+    let(:non_member) { create(:user) }
+    let(:member) { create(:user) }
+    let(:admin) { create(:admin) }
+    let!(:issue) { create(:issue, project: project, title: 'Issue 1') }
+    let!(:security_issue_1) { create(:issue, :confidential, project: project, title: 'Security issue 1', author: author) }
+    let!(:security_issue_2) { create(:issue, :confidential, title: 'Security issue 2', project: project, assignee: assignee) }
+
+    it 'should not list project confidential issues for non project members' do
+      results = described_class.new(non_member, project, query)
+      issues = results.objects('issues')
+
+      expect(issues).to include issue
+      expect(issues).not_to include security_issue_1
+      expect(issues).not_to include security_issue_2
+      expect(results.issues_count).to eq 1
+    end
+
+    it 'should list project confidential issues for author' do
+      results = described_class.new(author, project, query)
+      issues = results.objects('issues')
+
+      expect(issues).to include issue
+      expect(issues).to include security_issue_1
+      expect(issues).not_to include security_issue_2
+      expect(results.issues_count).to eq 2
+    end
+
+    it 'should list project confidential issues for assignee' do
+      results = described_class.new(assignee, project.id, query)
+      issues = results.objects('issues')
+
+      expect(issues).to include issue
+      expect(issues).not_to include security_issue_1
+      expect(issues).to include security_issue_2
+      expect(results.issues_count).to eq 2
+    end
+
+    it 'should list project confidential issues for project members' do
+      project.team << [member, :developer]
+
+      results = described_class.new(member, project, query)
+      issues = results.objects('issues')
+
+      expect(issues).to include issue
+      expect(issues).to include security_issue_1
+      expect(issues).to include security_issue_2
+      expect(results.issues_count).to eq 3
+    end
+
+    it 'should list all project issues for admin' do
+      results = described_class.new(admin, project, query)
+      issues = results.objects('issues')
+
+      expect(issues).to include issue
+      expect(issues).to include security_issue_1
+      expect(issues).to include security_issue_2
+      expect(results.issues_count).to eq 3
+    end
+  end
 end

spec/lib/gitlab/search_results_spec.rb

 require 'spec_helper'
 describe Gitlab::SearchResults do
+  let(:user) { create(:user) }
   let!(:project) { create(:project, name: 'foo') }
   let!(:issue) { create(:issue, project: project, title: 'foo') }
@@ -9,7 +10,7 @@ describe Gitlab::SearchResults do
   end
   let!(:milestone) { create(:milestone, project: project, title: 'foo') }
-  let(:results) { described_class.new(Project.all, 'foo') }
+  let(:results) { described_class.new(user, Project.all, 'foo') }
   describe '#total_count' do
     it 'returns the total amount of search hits' do
@@ -52,4 +53,92 @@ describe Gitlab::SearchResults do
       expect(results.empty?).to eq(false)
     end
   end
+
+  describe 'confidential issues' do
+    let(:project_1) { create(:empty_project) }
+    let(:project_2) { create(:empty_project) }
+    let(:project_3) { create(:empty_project) }
+    let(:project_4) { create(:empty_project) }
+    let(:query) { 'issue' }
+    let(:limit_projects) { Project.where(id: [project_1.id, project_2.id, project_3.id]) }
+    let(:author) { create(:user) }
+    let(:assignee) { create(:user) }
+    let(:non_member) { create(:user) }
+    let(:member) { create(:user) }
+    let(:admin) { create(:admin) }
+    let!(:issue) { create(:issue, project: project_1, title: 'Issue 1') }
+    let!(:security_issue_1) { create(:issue, :confidential, project: project_1, title: 'Security issue 1', author: author) }
+    let!(:security_issue_2) { create(:issue, :confidential, title: 'Security issue 2', project: project_1, assignee: assignee) }
+    let!(:security_issue_3) { create(:issue, :confidential, project: project_2, title: 'Security issue 3', author: author) }
+    let!(:security_issue_4) { create(:issue, :confidential, project: project_3, title: 'Security issue 4', assignee: assignee) }
+    let!(:security_issue_5) { create(:issue, :confidential, project: project_4, title: 'Security issue 5') }
+
+    it 'should not list confidential issues for non project members' do
+      results = described_class.new(non_member, limit_projects, query)
+      issues = results.objects('issues')
+
+      expect(issues).to include issue
+      expect(issues).not_to include security_issue_1
+      expect(issues).not_to include security_issue_2
+      expect(issues).not_to include security_issue_3
+      expect(issues).not_to include security_issue_4
+      expect(issues).not_to include security_issue_5
+      expect(results.issues_count).to eq 1
+    end
+
+    it 'should list confidential issues for author' do
+      results = described_class.new(author, limit_projects, query)
+      issues = results.objects('issues')
+
+      expect(issues).to include issue
+      expect(issues).to include security_issue_1
+      expect(issues).not_to include security_issue_2
+      expect(issues).to include security_issue_3
+      expect(issues).not_to include security_issue_4
+      expect(issues).not_to include security_issue_5
+      expect(results.issues_count).to eq 3
+    end
+
+    it 'should list confidential issues for assignee' do
+      results = described_class.new(assignee, limit_projects, query)
+      issues = results.objects('issues')
+
+      expect(issues).to include issue
+      expect(issues).not_to include security_issue_1
+      expect(issues).to include security_issue_2
+      expect(issues).not_to include security_issue_3
+      expect(issues).to include security_issue_4
+      expect(issues).not_to include security_issue_5
+      expect(results.issues_count).to eq 3
+    end
+
+    it 'should list confidential issues for project members' do
+      project_1.team << [member, :developer]
+      project_2.team << [member, :developer]
+
+      results = described_class.new(member, limit_projects, query)
+      issues = results.objects('issues')
+
+      expect(issues).to include issue
+      expect(issues).to include security_issue_1
+      expect(issues).to include security_issue_2
+      expect(issues).to include security_issue_3
+      expect(issues).not_to include security_issue_4
+      expect(issues).not_to include security_issue_5
+      expect(results.issues_count).to eq 4
+    end
+
+    it 'should list all issues for admin' do
+      results = described_class.new(admin, limit_projects, query)
+      issues = results.objects('issues')
+
+      expect(issues).to include issue
+      expect(issues).to include security_issue_1
+      expect(issues).to include security_issue_2
+      expect(issues).to include security_issue_3
+      expect(issues).to include security_issue_4
+      expect(issues).not_to include security_issue_5
+      expect(results.issues_count).to eq 5
+    end
+  end
 end