FEATURE: do not allow moderators to export user list (#6418)

app/assets/javascripts/admin/templates/users-list.hbs

@@ -16,7 +16,9 @@
     {{#unless siteSettings.enable_sso}}
       {{d-button action="sendInvites" title="admin.invite.button_title" icon="user-plus" label="admin.invite.button_text"}}
     {{/unless}}
+    {{#if currentUser.admin}}
       {{d-button action="exportUsers" title="admin.export_csv.button_title.user" icon="download" label="admin.export_csv.button_text"}}
+    {{/if}}
   </div>
     </ul>
   </nav>

lib/guardian.rb

@@ -357,7 +357,8 @@ class Guardian
 
   def can_export_entity?(entity)
     return false unless @user
-    return true if is_staff?
+    return true if is_admin?
+    return entity != 'user_list' if is_moderator?
 
     # Regular users can only export their archives
     return false unless entity == "user_archive"

spec/components/guardian_spec.rb

@@ -2576,6 +2576,24 @@ describe Guardian do
     end
   end
 
+  describe '#can_export_entity?' do
+    let(:user_guardian) { Guardian.new(user) }
+    let(:moderator_guardian) { Guardian.new(moderator) }
+    let(:admin_guardian) { Guardian.new(admin) }
+
+    it 'only allows admins to export user_list' do
+      expect(user_guardian.can_export_entity?('user_list')).to be_falsey
+      expect(moderator_guardian.can_export_entity?('user_list')).to be_falsey
+      expect(admin_guardian.can_export_entity?('user_list')).to be_truthy
+    end
+
+    it 'allow moderators to export other admin entities' do
+      expect(user_guardian.can_export_entity?('staff_action')).to be_falsey
+      expect(moderator_guardian.can_export_entity?('staff_action')).to be_truthy
+      expect(admin_guardian.can_export_entity?('staff_action')).to be_truthy
+    end
+  end
+
   describe "#allow_themes?" do
     let(:theme) { Fabricate(:theme) }
     let(:theme2) { Fabricate(:theme) }

spec/requests/export_csv_controller_spec.rb

@@ -7,7 +7,7 @@ describe ExportCsvController do
     let(:user) { Fabricate(:user) }
     before { sign_in(user) }
 
-    describe ".export_entity" do
+    describe "#export_entity" do
       it "enqueues export job" do
         post "/export_csv/export_entity.json", params: { entity: "user_archive" }
         expect(response.status).to eq(200)
@@ -46,7 +46,7 @@ describe ExportCsvController do
     let(:admin) { Fabricate(:admin) }
     before { sign_in(admin) }
 
-    describe ".export_entity" do
+    describe "#export_entity" do
       it "enqueues export job" do
         post "/export_csv/export_entity.json", params: { entity: "staff_action" }
         expect(response.status).to eq(200)
@@ -78,4 +78,27 @@ describe ExportCsvController do
       end
     end
   end
+
+  context 'while logged in as a moderator' do
+    let(:moderator) { Fabricate(:moderator) }
+
+    before { sign_in(moderator) }
+
+    describe '#export_entity' do
+      it 'does not allow moderators to export user_list' do
+        post '/export_csv/export_entity.json', params: { entity: 'user_list' }
+        expect(response.status).to eq(403)
+      end
+
+      it 'allows moderator to export other entities' do
+        post "/export_csv/export_entity.json", params: { entity: 'staff_action' }
+        expect(response.status).to eq(200)
+        expect(Jobs::ExportCsvFile.jobs.size).to eq(1)
+
+        job_data = Jobs::ExportCsvFile.jobs.first['args'].first
+        expect(job_data['entity']).to eq('staff_action')
+        expect(job_data['user_id']).to eq(moderator.id)
+      end
+    end
+  end
 end