Enable validate_import_decompressed_archive_size feature flag by default

Changelog: changed

app/services/bulk_imports/file_decompression_service.rb

@@ -16,7 +16,7 @@ module BulkImports
 
     def execute
       validate_dir
-      validate_decompressed_file_size if Feature.enabled?(:validate_import_decompressed_archive_size)
+      validate_decompressed_file_size if Feature.enabled?(:validate_import_decompressed_archive_size, default_enabled: :yaml)
       validate_symlink(filepath)
 
       decompress_file

config/feature_flags/development/validate_import_decompressed_archive_size.yml

@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/282245
 milestone: '13.4'
 type: development
 group: group::import
-default_enabled: false
+default_enabled: true

doc/security/project_import_decompressed_archive_size_limits.md

@@ -7,7 +7,8 @@ type: reference, howto
 
 # Project Import Decompressed Archive Size Limits
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/31564) in GitLab 13.2.
+> - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/31564) in GitLab 13.2.
+> - [Enabled by default](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/63025) in GitLab 14.0.
 
 When using [Project Import](../user/project/settings/import_export.md), the size of the decompressed project archive is limited to 10Gb.
 
@@ -15,7 +16,6 @@ If decompressed size exceeds this limit, `Decompressed archive size validation f
 
 ## Enable/disable size validation
 
-Decompressed size validation is enabled by default.
 If you have a project with decompressed size exceeding this limit,
 it is possible to disable the validation by turning off the
 `validate_import_decompressed_archive_size` feature flag.

lib/gitlab/import_export/file_importer.rb

@@ -28,9 +28,7 @@ module Gitlab
         copy_archive
 
         wait_for_archived_file do
-          # Disable archive validation by default
-          # See: https://gitlab.com/gitlab-org/gitlab/-/issues/235949
-          validate_decompressed_archive_size if Feature.enabled?(:validate_import_decompressed_archive_size)
+          validate_decompressed_archive_size if Feature.enabled?(:validate_import_decompressed_archive_size, default_enabled: :yaml)
           decompress_archive
         end
       rescue StandardError => e