1 files changed, 49 insertions, 0 deletions
diff --git a/lib/api/validations/validators/bulk_imports.rb b/lib/api/validations/validators/bulk_imports.rb
new file mode 100644
index 00000000000..8d49607f64c
--- /dev/null
+++ b/lib/api/validations/validators/bulk_imports.rb
@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+module API
+  module Validations
+    module Validators
+      module BulkImports
+        class DestinationSlugPath < Grape::Validations::Base
+          def validate_param!(attr_name, params)
+            unless params[attr_name] =~ Gitlab::Regex.group_path_regex # rubocop: disable Style/GuardClause
+              raise Grape::Exceptions::Validation.new(
+                params: [@scope.full_name(attr_name)],
+                message: "cannot start with a dash or forward slash, or end with a period or forward slash. " \
+                         "It can only contain alphanumeric characters, periods, underscores, and dashes. " \
+                         "E.g. 'destination_namespace' not 'destination/namespace'"
+              )
+            end
+          end
+        end
+
+        class DestinationNamespacePath < Grape::Validations::Base
+          def validate_param!(attr_name, params)
+            return if params[attr_name].blank?
+
+            unless params[attr_name] =~ Gitlab::Regex.bulk_import_namespace_path_regex # rubocop: disable Style/GuardClause
+              raise Grape::Exceptions::Validation.new(
+                params: [@scope.full_name(attr_name)],
+                message: "cannot start with a dash or forward slash, or end with a period or forward slash. " \
+                         "It can only contain alphanumeric characters, periods, underscores, forward slashes " \
+                         "and dashes. E.g. 'destination_namespace' or 'destination/namespace'"
+              )
+            end
+          end
+        end
+
+        class SourceFullPath < Grape::Validations::Base
+          def validate_param!(attr_name, params)
+            unless params[attr_name] =~ Gitlab::Regex.bulk_import_namespace_path_regex # rubocop: disable Style/GuardClause
+              raise Grape::Exceptions::Validation.new(
+                params: [@scope.full_name(attr_name)],
+                message: "must be a relative path and not include protocol, sub-domain, or domain information. " \
+                         "E.g. 'source/full/path' not 'https://example.com/source/full/path'" \
+              )
+            end
+          end
+        end
+      end
+    end
+  end
+end