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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/* eslint-disable mozilla/valid-lazy */
import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
//
// The maximum number of static rules exceeding the per-extension
// GUARANTEED_MINIMUM_STATIC_RULES across every extensions.
//
// const MAX_GLOBAL_NUMBER_OF_STATIC_RULES = 300000;
const lazy = XPCOMUtils.declareLazy({
GUARANTEED_MINIMUM_STATIC_RULES: {
pref: "extensions.dnr.guaranteed_minimum_static_rules",
default: 30000,
},
MAX_NUMBER_OF_STATIC_RULESETS: {
pref: "extensions.dnr.max_number_of_static_rulesets",
default: 100,
},
MAX_NUMBER_OF_ENABLED_STATIC_RULESETS: {
pref: "extensions.dnr.max_number_of_enabled_static_rulesets",
default: 20,
},
MAX_NUMBER_OF_DISABLED_STATIC_RULES: {
pref: "extensions.dnr.max_number_of_disabled_static_rules",
default: 5000,
},
/**
* NOTE: this limit may be increased in the future, see
*/
MAX_NUMBER_OF_DYNAMIC_RULES: {
pref: "extensions.dnr.max_number_of_dynamic_rules",
default: 5000,
},
MAX_NUMBER_OF_SESSION_RULES: {
pref: "extensions.dnr.max_number_of_session_rules",
default: 5000,
},
MAX_NUMBER_OF_REGEX_RULES: {
pref: "extensions.dnr.max_number_of_regex_rules",
default: 1000,
},
});
export const ExtensionDNRLimits = {
/**
* The minimum number of static rules guaranteed to an extension across its
* enabled static rulesets. Any rules above this limit will count towards the
* global static rule limit.
*/
get GUARANTEED_MINIMUM_STATIC_RULES() {
return lazy.GUARANTEED_MINIMUM_STATIC_RULES;
},
/**
* The maximum number of static Rulesets an extension can specify as part of
* the "rule_resources" manifest key.
*/
get MAX_NUMBER_OF_STATIC_RULESETS() {
return lazy.MAX_NUMBER_OF_STATIC_RULESETS;
},
/**
* The maximum number of static Rulesets an extension can enable at any one
* time.
*/
get MAX_NUMBER_OF_ENABLED_STATIC_RULESETS() {
return lazy.MAX_NUMBER_OF_ENABLED_STATIC_RULESETS;
},
/**
* The maximum number of static rules that can be disabled on each static
* ruleset.
*/
get MAX_NUMBER_OF_DISABLED_STATIC_RULES() {
return lazy.MAX_NUMBER_OF_DISABLED_STATIC_RULES;
},
/**
* The maximum number of dynamic rules an extension can add.
*/
get MAX_NUMBER_OF_DYNAMIC_RULES() {
return lazy.MAX_NUMBER_OF_DYNAMIC_RULES;
},
/**
* The maximum number of session rules an extension can add.
*/
get MAX_NUMBER_OF_SESSION_RULES() {
return lazy.MAX_NUMBER_OF_SESSION_RULES;
},
/**
* The maximum number of regular expression rules that an extension can add.
* Session, dynamic and static rules have their own quota.
*/
get MAX_NUMBER_OF_REGEX_RULES() {
return lazy.MAX_NUMBER_OF_REGEX_RULES;
},
};