1 files changed, 51 insertions, 0 deletions
diff --git a/lib/gitlab/ci/build/artifacts/path.rb b/lib/gitlab/ci/build/artifacts/path.rb
new file mode 100644
index 00000000000..9cd9b36c5f8
--- /dev/null
+++ b/lib/gitlab/ci/build/artifacts/path.rb
@@ -0,0 +1,51 @@
+module Gitlab
+  module Ci
+    module Build
+      module Artifacts
+        class Path
+          def initialize(path)
+            @path = path.dup.force_encoding('UTF-8')
+          end
+
+          def valid?
+            nonzero? && utf8?
+          end
+
+          def directory?
+            @path.end_with?('/')
+          end
+
+          def name
+            @path.split('/').last.to_s
+          end
+
+          def nodes
+            @path.count('/')
+          end
+
+          def to_s
+            @path.tap do |path|
+              unless nonzero?
+                raise ArgumentError, 'Path contains zero byte character!'
+              end
+
+              unless utf8?
+                raise ArgumentError, 'Path contains non-UTF-8 byte sequence!'
+              end
+            end
+          end
+
+          private
+
+          def nonzero?
+            @path.exclude?("\0")
+          end
+
+          def utf8?
+            @path.valid_encoding?
+          end
+        end
+      end
+    end
+  end
+end