1 files changed, 40 insertions, 0 deletions
diff --git a/lib/gitlab/regex/bulk_imports.rb b/lib/gitlab/regex/bulk_imports.rb
new file mode 100644
index 00000000000..e9ec24b831f
--- /dev/null
+++ b/lib/gitlab/regex/bulk_imports.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Regex
+    module BulkImports
+      def bulk_import_destination_namespace_path_regex
+        # This regexp validates the string conforms to rules for a destination_namespace path:
+        # i.e does not start with a non-alphanumeric character,
+        # contains only alphanumeric characters, forward slashes, periods, and underscores,
+        # does not end with a period or forward slash, and has a relative path structure
+        # with no http protocol chars or leading or trailing forward slashes
+        # eg 'source/full/path' or 'destination_namespace' not 'https://example.com/destination/namespace/path'
+        # the regex also allows for an empty string ('') to be accepted as this is allowed in
+        # a bulk_import POST request
+        @bulk_import_destination_namespace_path_regex ||= %r/((\A\z)|(\A[0-9a-z]*(-_.)?[0-9a-z])(\/?[0-9a-z]*[-_.]?[0-9a-z])+\z)/i
+      end
+
+      def bulk_import_source_full_path_regex
+        # This regexp validates the string conforms to rules for a source_full_path path:
+        # i.e does not start with a non-alphanumeric character except for periods or underscores,
+        # contains only alphanumeric characters, forward slashes, periods, and underscores,
+        # does not end with a period or forward slash, and has a relative path structure
+        # with no http protocol chars or leading or trailing forward slashes
+        # eg 'source/full/path' or 'destination_namespace' not 'https://example.com/source/full/path'
+        @bulk_import_source_full_path_regex ||= %r/\A([.]?)[^\W](\/?([-_.+]*)*[0-9a-z][-_]*)+\z/i
+      end
+
+      def bulk_import_source_full_path_regex_message
+        bulk_import_destination_namespace_path_regex_message
+      end
+
+      def bulk_import_destination_namespace_path_regex_message
+        "must have a relative path structure " \
+        "with no HTTP protocol characters, or leading or trailing forward slashes. " \
+        "Path segments must not start or end with a special character, " \
+        "and must not contain consecutive special characters."
+      end
+    end
+  end
+end