Allow OAuth 1.0a to be disabled

app/controllers/api_controller.rb

@@ -106,7 +106,11 @@ class ApiController < ApplicationController
     if doorkeeper_token&.accessible?
       self.current_user = User.find(doorkeeper_token.resource_owner_id)
     elsif Authenticator.new(self, [:token]).allow?
-      # self.current_user setup by OAuth
+      if Settings.oauth_10a_support
+        # self.current_user setup by OAuth
+      else
+        report_error t("application.oauth_10a_disabled", :link => t("application.auth_disabled_link")), :forbidden
+      end
     else
       username, passwd = auth_data # parse from headers
       # authenticate per-scheme

app/controllers/application_controller.rb

@@ -69,6 +69,10 @@ class ApplicationController < ActionController::Base
     @oauth_token = current_user.oauth_token(Settings.oauth_application) if current_user && Settings.key?(:oauth_application)
   end
 
+  def require_oauth_10a_support
+    report_error t("application.oauth_10a_disabled", :link => t("application.auth_disabled_link")), :forbidden unless Settings.oauth_10a_support
+  end
+
   ##
   # require the user to have cookies enabled in their browser
   def require_cookies

app/controllers/oauth_controller.rb

@@ -5,6 +5,8 @@ class OauthController < ApplicationController
   # a login, but we want to check authorization on every action.
   authorize_resource :class => false
 
+  before_action :require_oauth_10a_support
+
   layout "site"
 
   def revoke

config/locales/en.yml

@@ -2556,6 +2556,7 @@ en:
       description_without_count: "GPX file from %{user}"
   application:
     basic_auth_disabled: "HTTP Basic Authentication is disabled: %{link}"
+    oauth_10a_disabled: "OAuth 1.0 and 1.0a are disabled: %{link}"
     auth_disabled_link: "https://wiki.openstreetmap.org/wiki/2024_authentication_update"
     permission_denied: You do not have permission to access that action
     require_cookies:

config/settings.yml

@@ -95,9 +95,12 @@ attachments_dir: ":rails_root/public/attachments"
 #memcache_servers: []
 # Enable HTTP basic authentication support
 basic_auth_support: true
+# Enable OAuth 1.0/1.0a registration
+oauth_10_registration: true
 # Enable legacy OAuth 1.0 support
 oauth_10_support: true
-oauth_10_registration: true
+# Enable OAuth 1.0a support
+oauth_10a_support: true
 # URL of Nominatim instance to use for geocoding
 nominatim_url: "https://nominatim.openstreetmap.org/"
 # Default editor