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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
// TODO(Bug 1803370): allow extension to exceed the GUARANTEED_MINIMUM_STATIC_RULES limit.
//
// 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.defineLazyPreferenceGetter(
lazy,
"GUARANTEED_MINIMUM_STATIC_RULES",
"extensions.dnr.guaranteed_minimum_static_rules",
30000
);
XPCOMUtils.defineLazyPreferenceGetter(
lazy,
"MAX_NUMBER_OF_STATIC_RULESETS",
"extensions.dnr.max_number_of_static_rulesets",
100
);
XPCOMUtils.defineLazyPreferenceGetter(
lazy,
"MAX_NUMBER_OF_ENABLED_STATIC_RULESETS",
"extensions.dnr.max_number_of_enabled_static_rulesets",
20
);
/**
* NOTE: this limit may be increased in the future, see
* https://github.com/w3c/webextensions/issues/319
*/
XPCOMUtils.defineLazyPreferenceGetter(
lazy,
"MAX_NUMBER_OF_DYNAMIC_AND_SESSION_RULES",
"extensions.dnr.max_number_of_dynamic_and_session_rules",
5000
);
// TODO bug 1821033: Bump limit after optimizing regexFilter.
XPCOMUtils.defineLazyPreferenceGetter(
lazy,
"MAX_NUMBER_OF_REGEX_RULES",
"extensions.dnr.max_number_of_regex_rules",
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 dynamic and session rules an extension can add.
*
* NOTE: in the Firefox we are enforcing this limit to the session and
* dynamic rules count separately, instead of enforcing it to the rules count
* for both combined as the Chrome implementation does.
*/
get MAX_NUMBER_OF_DYNAMIC_AND_SESSION_RULES() {
return lazy.MAX_NUMBER_OF_DYNAMIC_AND_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;
},
};
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