Add custom NamespaceValidator

1 files changed, 22 insertions, 0 deletions

diff --git a/app/validators/namespace_validator.rb b/app/validators/namespace_validator.rb
new file mode 100644
index 00000000000..4ab1706abda
--- /dev/null
+++ b/app/validators/namespace_validator.rb
@@ -0,0 +1,22 @@
+# NamespaceValidator
+#
+# Custom validator for GitLab namespace values.
+#
+# Values are checked for formatting and exclusion from `Gitlab::Blacklist.path`.
+class NamespaceValidator < ActiveModel::EachValidator
+  def validate_each(record, attribute, value)
+    unless value =~ Gitlab::Regex.namespace_regex
+      record.errors.add(attribute, Gitlab::Regex.namespace_regex_message)
+    end
+
+    if blacklisted?(value)
+      record.errors.add(attribute, "#{value} is a reserved name")
+    end
+  end
+
+  private
+
+  def blacklisted?(value)
+    Gitlab::Blacklist.path.include?(value)
+  end
+end