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/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set sts=2 sw=2 et tw=80: */
/* 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/. */
"use strict";
ChromeUtils.defineESModuleGetters(this, {
ExtensionDNR: "resource://gre/modules/ExtensionDNR.sys.mjs",
});
var { ExtensionError } = ExtensionUtils;
this.declarativeNetRequest = class extends ExtensionAPI {
onManifestEntry(entryName) {
if (entryName === "declarative_net_request") {
ExtensionDNR.validateManifestEntry(this.extension);
}
}
onShutdown() {
ExtensionDNR.clearRuleManager(this.extension);
}
getAPI(context) {
const { extension } = this;
return {
declarativeNetRequest: {
updateDynamicRules({ removeRuleIds, addRules }) {
return ExtensionDNR.updateDynamicRules(extension, {
removeRuleIds,
addRules,
});
},
updateSessionRules({ removeRuleIds, addRules }) {
const ruleManager = ExtensionDNR.getRuleManager(extension);
let ruleValidator = new ExtensionDNR.RuleValidator(
ruleManager.getSessionRules(),
{ isSessionRuleset: true }
);
if (removeRuleIds) {
ruleValidator.removeRuleIds(removeRuleIds);
}
if (addRules) {
ruleValidator.addRules(addRules);
}
let failures = ruleValidator.getFailures();
if (failures.length) {
throw new ExtensionError(failures[0].message);
}
ruleManager.setSessionRules(ruleValidator.getValidatedRules());
},
async getEnabledRulesets() {
await ExtensionDNR.ensureInitialized(extension);
const ruleManager = ExtensionDNR.getRuleManager(extension);
return ruleManager.enabledStaticRulesetIds;
},
async getAvailableStaticRuleCount() {
await ExtensionDNR.ensureInitialized(extension);
const ruleManager = ExtensionDNR.getRuleManager(extension);
return ruleManager.availableStaticRuleCount;
},
updateEnabledRulesets({ disableRulesetIds, enableRulesetIds }) {
return ExtensionDNR.updateEnabledStaticRulesets(extension, {
disableRulesetIds,
enableRulesetIds,
});
},
async getDynamicRules() {
await ExtensionDNR.ensureInitialized(extension);
return ExtensionDNR.getRuleManager(extension).getDynamicRules();
},
getSessionRules() {
// ruleManager.getSessionRules() returns an array of Rule instances.
// When these are structurally cloned (to send them to the child),
// the enumerable public fields of the class instances are copied to
// plain objects, as desired.
return ExtensionDNR.getRuleManager(extension).getSessionRules();
},
async testMatchOutcome(request, options) {
let { url, initiator, ...req } = request;
req.requestURI = Services.io.newURI(url);
if (initiator) {
req.initiatorURI = Services.io.newURI(initiator);
}
const matchedRules = ExtensionDNR.getMatchedRulesForRequest(
req,
options?.includeOtherExtensions ? null : extension
).map(matchedRule => {
// Converts an internal MatchedRule instance to an object described
// by the "MatchedRule" type in declarative_net_request.json.
const result = {
ruleId: matchedRule.rule.id,
rulesetId: matchedRule.ruleset.id,
};
if (matchedRule.ruleManager.extension !== extension) {
result.extensionId = matchedRule.ruleManager.extension.id;
}
return result;
});
return { matchedRules };
},
},
};
}
};
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