mirror of
https://github.com/classilla/tenfourfox.git
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115 lines
3.6 KiB
JavaScript
115 lines
3.6 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { interfaces: Ci, utils: Cu } = Components;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Promise.jsm");
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XPCOMUtils.defineLazyServiceGetter(this, "appsService",
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"@mozilla.org/AppsService;1",
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"nsIAppsService");
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XPCOMUtils.defineLazyServiceGetter(this, "aceService",
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"@mozilla.org/secureelement/access-control/ace;1",
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"nsIAccessControlEnforcer");
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XPCOMUtils.defineLazyModuleGetter(this, "SEUtils",
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"resource://gre/modules/SEUtils.jsm");
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XPCOMUtils.defineLazyGetter(this, "SE", () => {
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let obj = {};
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Cu.import("resource://gre/modules/se_consts.js", obj);
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return obj;
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});
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var DEBUG = SE.DEBUG_SE;
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function debug(aMsg) {
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if (DEBUG) {
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dump("-*- HCIEventTransaction: " + aMsg);
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}
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}
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/**
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* nsISystemMessagesConfigurator implementation.
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*/
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function HCIEventTransactionSystemMessageConfigurator() {
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debug("HCIEventTransactionSystemMessageConfigurator");
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}
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HCIEventTransactionSystemMessageConfigurator.prototype = {
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get mustShowRunningApp() {
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debug("mustShowRunningApp returning true");
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return true;
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},
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shouldDispatch: function shouldDispatch(aManifestURL, aPageURL, aType, aMessage, aExtra) {
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DEBUG && debug("message to dispatch: " + JSON.stringify(aMessage));
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debug("aManifest url: " + aManifestURL);
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if (!aMessage) {
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return Promise.resolve(false);
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}
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let appId = appsService.getAppLocalIdByManifestURL(aManifestURL);
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if (appId === Ci.nsIScriptSecurityManager.NO_APP_ID) {
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return Promise.resolve(false);
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}
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return new Promise((resolve, reject) => {
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appsService.getManifestFor(aManifestURL)
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.then((aManifest) => this._checkAppManifest(aMessage.origin, aMessage.aid, aManifest))
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.then(() => aceService.isAccessAllowed(appId, aMessage.origin, aMessage.aid))
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.then((allowed) => {
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debug("dispatching message: " + allowed);
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resolve(allowed);
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})
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.catch(() => {
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debug("not dispatching");
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resolve(false);
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});
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});
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},
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_checkAppManifest: function _checkAppManifest(aOrigin, aAid, aManifest) {
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DEBUG && debug("aManifest " + JSON.stringify(aManifest));
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// convert AID and Secure Element name to uppercased string for comparison
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// with manifest secure_element_access rules
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let aid = SEUtils.byteArrayToHexString(aAid);
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let seName = (aOrigin) ? aOrigin.toUpperCase() : "";
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let hciRules = aManifest["secure_element_access"] || [];
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let matchingRule = hciRules.find((rule) => {
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rule = rule.toUpperCase();
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if(rule === "*" || rule === (seName + "/" + aid)) {
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return true;
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}
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let isMatching = (match, element) => {
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if(match === "*") {
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return true;
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}
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if(match.charAt(match.length - 1) === '*') {
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return element.indexOf(match.substr(0,match.length - 1)) === 0;
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}
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return match === element;
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};
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return isMatching(rule.split('/')[0], seName) &&
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isMatching(rule.split('/')[1], aid);
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});
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return (matchingRule) ? Promise.resolve() : Promise.reject();
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},
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classID: Components.ID("{b501edd0-28bd-11e4-8c21-0800200c9a66}"),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsISystemMessagesConfigurator])
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}
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([HCIEventTransactionSystemMessageConfigurator]);
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