mirror of
https://github.com/classilla/tenfourfox.git
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172 lines
4.5 KiB
JavaScript
172 lines
4.5 KiB
JavaScript
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/* 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 Cu = Components.utils;
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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this.EXPORTED_SYMBOLS = ["UserCustomizations"];
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/AppsUtils.jsm");
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Cu.import("resource://gre/modules/Extension.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "ValueExtractor",
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"resource://gre/modules/ValueExtractor.jsm");
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XPCOMUtils.defineLazyServiceGetter(this, "console",
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"@mozilla.org/consoleservice;1",
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"nsIConsoleService");
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function debug(aMsg) {
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if (!UserCustomizations._debug) {
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return;
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}
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dump("-*-*- UserCustomizations " + aMsg + "\n");
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}
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function log(aStr) {
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console.logStringMessage(aStr);
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}
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this.UserCustomizations = {
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extensions: new Map(), // id -> extension. Needed to disable extensions.
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appId: new Set(),
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register: function(aApp) {
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if (!this._enabled || !aApp.enabled || aApp.role != "addon") {
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debug("Rejecting registration (global enabled=" + this._enabled +
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") (app role=" + aApp.role +
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", enabled=" + aApp.enabled + ")");
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return;
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}
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debug("Starting customization registration for " + aApp.manifestURL + "\n");
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let extension = new Extension({
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id: AppsUtils.computeHash(aApp.manifestURL),
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resourceURI: Services.io.newURI(aApp.origin + "/", null, null)
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});
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this.extensions.set(aApp.manifestURL, extension);
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let uri = Services.io.newURI(aApp.origin, null, null);
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debug(`Adding ${uri.host} to appId set`);
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this.appId.add(uri.host);
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extension.startup()
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.then(() => { })
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.catch((err) => {
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debug(`extension.startup failed: ${err}`);
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this.appId.delete(uri.host);
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});
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},
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unregister: function(aApp) {
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if (!this._enabled) {
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return;
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}
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debug("Starting customization unregistration for " + aApp.manifestURL);
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if (this.extensions.has(aApp.manifestURL)) {
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this.extensions.get(aApp.manifestURL).shutdown();
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this.extensions.delete(aApp.manifestURL);
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let uri = Services.io.newURI(aApp.origin, null, null);
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this.appId.delete(uri.host);
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}
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},
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isFromExtension: function(aURI) {
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return this.appId.has(aURI.host);
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},
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// Checks that this is a valid extension manifest.
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// The format is documented at https://developer.chrome.com/extensions/manifest
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checkExtensionManifest: function(aManifest) {
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if (!aManifest) {
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return false;
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}
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const extractor = new ValueExtractor(console);
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const manifestVersionSpec = {
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objectName: "extension manifest",
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object: aManifest,
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property: "manifest_version",
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expectedType: "number",
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trim: true
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}
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const nameSpec = {
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objectName: "extension manifest",
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object: aManifest,
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property: "name",
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expectedType: "string",
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trim: true
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}
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const versionSpec = {
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objectName: "extension manifest",
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object: aManifest,
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property: "version",
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expectedType: "string",
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trim: true
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}
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let res =
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extractor.extractValue(manifestVersionSpec) !== undefined &&
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extractor.extractValue(nameSpec) !== undefined &&
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extractor.extractValue(versionSpec) !== undefined;
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return res;
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},
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// Converts a chrome extension manifest into a webapp manifest.
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convertManifest: function(aManifest) {
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if (!aManifest) {
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return null;
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}
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// Set the type to privileged to ensure we only allow signed addons.
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let result = {
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"type": "privileged",
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"name": aManifest.name,
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"role": "addon"
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}
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if (aManifest.description) {
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result.description = aManifest.description;
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}
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if (aManifest.icons) {
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result.icons = aManifest.icons;
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}
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if (aManifest.version) {
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result.version = aManifest.version;
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}
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// chrome extension manifests have a single 'author' property, that we
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// map to 'developer.name'.
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// Note that it has to match the one in the mini-manifest.
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if (aManifest.author) {
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result.developer = {
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name: aManifest.author
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}
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}
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return result;
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},
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init: function() {
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this._enabled = false;
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try {
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this._enabled = Services.prefs.getBoolPref("dom.apps.customization.enabled");
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} catch(e) {}
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},
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}
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UserCustomizations.init();
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