Merge commit from fork

* Refuse granting quote authorization for reblogs

* Add validation to reject quotes of reblogs

* Do not process quotes of reblogs as potentially valid quotes

* Refuse to serve quoted reblogs over REST API

spec/models/concerns/status/interaction_policy_concern_spec.rb

@@ -15,6 +15,22 @@ RSpec.describe Status::InteractionPolicyConcern do
   describe '#quote_policy_for_account' do
     let(:account) { Fabricate(:account) }
 
+    context 'when the account is the author' do
+      let(:status) { Fabricate(:status, account: account, quote_approval_policy: 0) }
+
+      it 'returns :automatic' do
+        expect(status.quote_policy_for_account(account)).to eq :automatic
+      end
+
+      context 'when it is a reblog' do
+        let(:status) { Fabricate(:status, account: account, quote_approval_policy: 0, reblog: Fabricate(:status)) }
+
+        it 'returns :automatic' do
+          expect(status.quote_policy_for_account(account)).to eq :denied
+        end
+      end
+    end
+
     context 'when the account is not following the user' do
       it 'returns :manual because of the public entry in the manual policy' do
         expect(status.quote_policy_for_account(account)).to eq :manual