Fix internal API for missing project or key

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

lib/api/internal.rb

@@ -33,15 +33,20 @@ module API
           end
 
         project = Project.find_with_namespace(project_path)
-        return false unless project
+
+        unless project
+          return Gitlab::GitAccessStatus.new(false, 'No such project')
+        end
 
         actor = if params[:key_id]
-                  Key.find(params[:key_id])
+                  Key.find_by(id: params[:key_id])
                 elsif params[:user_id]
-                  User.find(params[:user_id])
+                  User.find_by(id: params[:user_id])
                 end
 
-        return false unless actor
+        unless actor
+          return Gitlab::GitAccessStatus.new(false, 'No such user or key')
+        end
 
         access.check(
           actor,

spec/requests/api/internal_spec.rb

@@ -26,7 +26,7 @@ describe API::API, api: true  do
     end
   end
 
-  describe "GET /internal/allowed" do
+  describe "POST /internal/allowed" do
     context "access granted" do
       before do
         project.team << [user, :developer]
@@ -140,7 +140,7 @@ describe API::API, api: true  do
           archive(key, project)
 
           response.status.should == 200
-          response.body.should == 'true'
+          JSON.parse(response.body)["status"].should be_true
         end
       end
 
@@ -149,10 +149,28 @@ describe API::API, api: true  do
           archive(key, project)
 
           response.status.should == 200
-          response.body.should == 'false'
+          JSON.parse(response.body)["status"].should be_false
         end
       end
     end
+
+    context 'project does not exist' do
+      it do
+        pull(key, OpenStruct.new(path_with_namespace: 'gitlab/notexists'))
+
+        response.status.should == 200
+        JSON.parse(response.body)["status"].should be_false
+      end
+    end
+
+    context 'user does not exist' do
+      it do
+        pull(OpenStruct.new(id: 0), project)
+
+        response.status.should == 200
+        JSON.parse(response.body)["status"].should be_false
+      end
+    end
   end
 
   def pull(key, project)