1 files changed, 49 insertions, 0 deletions
diff --git a/lib/api/internal.rb b/lib/api/internal.rb
new file mode 100644
index 00000000000..3e5e3a478ba
--- /dev/null
+++ b/lib/api/internal.rb
@@ -0,0 +1,49 @@
+module Gitlab
+  # Internal access API
+  class Internal < Grape::API
+    namespace 'internal' do
+      #
+      # Check if ssh key has access to project code
+      #
+      get "/allowed" do
+        key = Key.find(params[:key_id])
+        project = Project.find_with_namespace(params[:project])
+        git_cmd = params[:action]
+
+        if key.is_deploy_key
+          project == key.project && git_cmd == 'git-upload-pack'
+        else
+          user = key.user
+          action = case git_cmd
+                   when 'git-upload-pack'
+                     then :download_code
+                   when 'git-receive-pack'
+                     then
+                     if project.protected_branch?(params[:ref])
+                       :push_code_to_protected_branches
+                     else
+                       :push_code
+                     end
+                   end
+
+          user.can?(action, project)
+        end
+      end
+
+      #
+      # Discover user by ssh key
+      #
+      get "/discover" do
+        key = Key.find(params[:key_id])
+        present key.user, with: Entities::User
+      end
+
+      get "/check" do
+        {
+          api_version: '3'
+        }
+      end
+    end
+  end
+end
+