1 files changed, 46 insertions, 0 deletions
diff --git a/lib/gitlab/ci/config/external/mapper/normalizer.rb b/lib/gitlab/ci/config/external/mapper/normalizer.rb
new file mode 100644
index 00000000000..8fc798e78a0
--- /dev/null
+++ b/lib/gitlab/ci/config/external/mapper/normalizer.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    class Config
+      module External
+        class Mapper
+          # Converts locations to canonical form (local:/remote:) if String
+          class Normalizer < Base
+            def initialize(context)
+              super
+
+              @variables_expander = VariablesExpander.new(context)
+            end
+
+            private
+
+            attr_reader :variables_expander
+
+            def process_without_instrumentation(locations)
+              locations.map do |location|
+                if location.is_a?(String)
+                  # We need to expand before normalizing because the information of
+                  # whether if it's a remote or local path may be hidden inside the variable.
+                  location = variables_expander.expand(location)
+
+                  normalize_location_string(location)
+                else
+                  location.deep_symbolize_keys
+                end
+              end
+            end
+
+            def normalize_location_string(location)
+              if ::Gitlab::UrlSanitizer.valid?(location)
+                { remote: location }
+              else
+                { local: location }
+              end
+            end
+          end
+        end
+      end
+    end
+  end
+end