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Diffstat (limited to '')
-rw-r--r-- | toolkit/components/passwordmgr/LoginRelatedRealms.sys.mjs | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/toolkit/components/passwordmgr/LoginRelatedRealms.sys.mjs b/toolkit/components/passwordmgr/LoginRelatedRealms.sys.mjs new file mode 100644 index 0000000000..bcfd675b4b --- /dev/null +++ b/toolkit/components/passwordmgr/LoginRelatedRealms.sys.mjs @@ -0,0 +1,110 @@ +/* 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"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + LoginHelper: "resource://gre/modules/LoginHelper.sys.mjs", + RemoteSettings: "resource://services-settings/remote-settings.sys.mjs", +}); + +XPCOMUtils.defineLazyGetter(lazy, "log", () => { + let logger = lazy.LoginHelper.createLogger("LoginRelatedRealms"); + return logger; +}); + +export class LoginRelatedRealmsParent extends JSWindowActorParent { + /** + * @type RemoteSettingsClient + * + * @memberof LoginRelatedRealmsParent + */ + _sharedCredentialsClient = null; + /** + * @type string[][] + * + * @memberof LoginRelatedRealmsParent + */ + _relatedDomainsList = [[]]; + + /** + * Handles the Remote Settings sync event + * + * @param {Object} aEvent + * @param {Array} aEvent.current Records that are currently in the collection after the sync event + * @param {Array} aEvent.created Records that were created + * @param {Array} aEvent.updated Records that were updated + * @param {Array} aEvent.deleted Records that were deleted + * @memberof LoginRelatedRealmsParent + */ + onRemoteSettingsSync(aEvent) { + let { + data: { current }, + } = aEvent; + this._relatedDomainsList = current; + } + + async getSharedCredentialsCollection() { + if (!this._sharedCredentialsClient) { + this._sharedCredentialsClient = lazy.RemoteSettings( + lazy.LoginHelper.relatedRealmsCollection + ); + this._sharedCredentialsClient.on("sync", event => + this.onRemoteSettingsSync(event) + ); + this._relatedDomainsList = await this._sharedCredentialsClient.get(); + } + return this._relatedDomainsList; + } + + /** + * Determine if there are any related realms of this `formOrigin` using the related realms collection + * @param {string} formOrigin A form origin + * @return {string[]} filteredRealms An array of domains related to the `formOrigin` + * @async + * @memberof LoginRelatedRealmsParent + */ + async findRelatedRealms(formOrigin) { + try { + let formOriginURI = Services.io.newURI(formOrigin); + let originDomain = formOriginURI.host; + let [{ relatedRealms } = {}] = + await this.getSharedCredentialsCollection(); + if (!relatedRealms) { + return []; + } + let filterOriginIndex; + let shouldInclude = false; + let filteredRealms = relatedRealms.filter(_realms => { + for (let relatedOrigin of _realms) { + // We can't have an origin that matches multiple entries in our related realms collection + // so we exit the loop early + if (shouldInclude) { + return false; + } + if (Services.eTLD.hasRootDomain(originDomain, relatedOrigin)) { + shouldInclude = true; + break; + } + } + return shouldInclude; + }); + // * Filtered realms is a nested array due to its structure in Remote Settings + filteredRealms = filteredRealms.flat(); + + filterOriginIndex = filteredRealms.indexOf(originDomain); + // Removing the current formOrigin match if it exists in the related realms + // so that we don't return duplicates when we search for logins + if (filterOriginIndex !== -1) { + filteredRealms.splice(filterOriginIndex, 1); + } + return filteredRealms; + } catch (e) { + lazy.log.error(e); + return []; + } + } +} |