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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
export var ForgetAboutSite = {
/**
* Clear data associated with a base domain. This includes partitioned storage
* associated with the domain.
*
* @param {string} aDomainOrHost - Domain or host to clear data for. Will be
* converted to base domain if needed.
* @returns {Promise} - Resolves once all matching data has been cleared.
* Throws if any of the internal cleaners fail.
*/
async removeDataFromBaseDomain(aDomainOrHost) {
if (!aDomainOrHost) {
throw new Error("aDomainOrHost can not be empty.");
}
let schemelessSite = Services.eTLD.getSchemelessSiteFromHost(aDomainOrHost);
let errorCount = await new Promise(resolve => {
Services.clearData.deleteDataFromSite(
schemelessSite,
{},
true /* user request */,
Ci.nsIClearDataService.CLEAR_FORGET_ABOUT_SITE,
errorCode => resolve(bitCounting(errorCode))
);
});
if (errorCount !== 0) {
throw new Error(
`There were a total of ${errorCount} errors during removal`
);
}
},
};
function bitCounting(value) {
// To know more about how to count bits set to 1 in a numeric value, see this
// interesting article:
const count =
value - ((value >> 1) & 0o33333333333) - ((value >> 2) & 0o11111111111);
return ((count + (count >> 3)) & 0o30707070707) % 63;
}