Add setting to disable the anti-spam (mastodon#11296)

* Add environment variable to disable the anti-spam

* Move antispam setting to admin settings

* Fix typo

* antispam → spam_check

Author: ClearlyClaire

app/controllers/admin/dashboard_controller.rb

@@ -30,6 +30,7 @@ def index
       @trending_hashtags     = TrendingTags.get(7)
       @profile_directory     = Setting.profile_directory
       @timeline_preview      = Setting.timeline_preview
+      @spam_check_enabled    = Setting.spam_check_enabled
     end
 
     private

app/lib/spam_check.rb

@@ -14,7 +14,7 @@ def initialize(status)
   end
 
   def skip?
-    already_flagged? || trusted? || no_unsolicited_mentions? || solicited_reply?
+    disabled? || already_flagged? || trusted? || no_unsolicited_mentions? || solicited_reply?
   end
 
   def spam?
@@ -80,6 +80,10 @@ def digest_with_algorithm
 
   private
 
+  def disabled?
+    !Setting.spam_check_enabled
+  end
+
   def remove_mentions(text)
     return text.gsub(Account::MENTION_RE, '') if @status.local?
 

app/models/form/admin_settings.rb

@@ -28,6 +28,7 @@ class Form::AdminSettings
     thumbnail
     hero
     mascot
+    spam_check_enabled
   ).freeze
 
   BOOLEAN_KEYS = %i(
@@ -39,6 +40,7 @@ class Form::AdminSettings
     show_known_fediverse_at_about_page
     preview_sensitive_media
     profile_directory
+    spam_check_enabled
   ).freeze
 
   UPLOAD_KEYS = %i(

app/views/admin/dashboard/index.html.haml

@@ -51,6 +51,8 @@
           = feature_hint(link_to(t('admin.dashboard.feature_timeline_preview'), edit_admin_settings_path), @timeline_preview)
         %li
           = feature_hint(link_to(t('admin.dashboard.feature_relay'), admin_relays_path), @relay_enabled)
+        %li
+          = feature_hint(link_to(t('admin.dashboard.feature_spam_check'), edit_admin_settings_path), @spam_check_enabled)
 
   .dashboard__widgets__versions
     %div

app/views/admin/settings/edit.html.haml

@@ -66,6 +66,9 @@
   .fields-group
     = f.input :profile_directory, as: :boolean, wrapper: :with_label, label: t('admin.settings.profile_directory.title'), hint: t('admin.settings.profile_directory.desc_html')
 
+  .fields-group
+    = f.input :spam_check_enabled, as: :boolean, wrapper: :with_label, label: t('admin.settings.spam_check_enabled.title'), hint: t('admin.settings.spam_check_enabled.desc_html')
+
   %hr.spacer/
 
   .fields-group

config/locales/en.yml

@@ -251,6 +251,7 @@ en:
       feature_profile_directory: Profile directory
       feature_registrations: Registrations
       feature_relay: Federation relay
+      feature_spam_check: Anti-spam
       feature_timeline_preview: Timeline preview
       features: Features
       hidden_service: Federation with hidden services
@@ -450,6 +451,9 @@ en:
         desc_html: You can write your own privacy policy, terms of service or other legalese. You can use HTML tags
         title: Custom terms of service
       site_title: Server name
+      spam_check_enabled:
+        desc_html: Mastodon can auto-silence and auto-report accounts based on measures such as detecting accounts who send repeated unsolicited messages. There may be false positives.
+        title: Anti-spam
       thumbnail:
         desc_html: Used for previews via OpenGraph and API. 1200x630px recommended
         title: Server thumbnail

config/settings.yml

@@ -61,6 +61,7 @@ defaults: &defaults
   activity_api_enabled: true
   peers_api_enabled: true
   show_known_fediverse_at_about_page: true
+  spam_check_enabled: true
 
 development:
   <<: *defaults