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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /addon-sdk/source/test/addons/simple-prefs-regression/app-extension/bootstrap.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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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
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// @see http://dxr.mozilla.org/mozilla-central/source/js/src/xpconnect/loader/mozJSComponentLoader.cpp
+
+'use strict';
+
+// IMPORTANT: Avoid adding any initialization tasks here, if you need to do
+// something before add-on is loaded consider addon/runner module instead!
+
+const { classes: Cc, Constructor: CC, interfaces: Ci, utils: Cu,
+ results: Cr, manager: Cm } = Components;
+const ioService = Cc['@mozilla.org/network/io-service;1'].
+ getService(Ci.nsIIOService);
+const resourceHandler = ioService.getProtocolHandler('resource').
+ QueryInterface(Ci.nsIResProtocolHandler);
+const systemPrincipal = CC('@mozilla.org/systemprincipal;1', 'nsIPrincipal')();
+const scriptLoader = Cc['@mozilla.org/moz/jssubscript-loader;1'].
+ getService(Ci.mozIJSSubScriptLoader);
+const prefService = Cc['@mozilla.org/preferences-service;1'].
+ getService(Ci.nsIPrefService).
+ QueryInterface(Ci.nsIPrefBranch);
+const appInfo = Cc["@mozilla.org/xre/app-info;1"].
+ getService(Ci.nsIXULAppInfo);
+const vc = Cc["@mozilla.org/xpcom/version-comparator;1"].
+ getService(Ci.nsIVersionComparator);
+
+const { NetUtil } = Cu.import("resource://gre/modules/NetUtil.jsm");
+
+const REASON = [ 'unknown', 'startup', 'shutdown', 'enable', 'disable',
+ 'install', 'uninstall', 'upgrade', 'downgrade' ];
+
+const bind = Function.call.bind(Function.bind);
+
+var loader = null;
+var unload = null;
+var cuddlefishSandbox = null;
+var nukeTimer = null;
+
+// Utility function that synchronously reads local resource from the given
+// `uri` and returns content string.
+function readURI(uri) {
+ let channel = NetUtil.newChannel({
+ uri: NetUtil.newURI(uri, "UTF-8"),
+ loadUsingSystemPrincipal: true
+ });
+ let stream = channel.open2();
+
+ let cstream = Cc['@mozilla.org/intl/converter-input-stream;1'].
+ createInstance(Ci.nsIConverterInputStream);
+ cstream.init(stream, 'UTF-8', 0, 0);
+
+ let str = {};
+ let data = '';
+ let read = 0;
+ do {
+ read = cstream.readString(0xffffffff, str);
+ data += str.value;
+ } while (read != 0);
+
+ cstream.close();
+
+ return data;
+}
+
+// We don't do anything on install & uninstall yet, but in a future
+// we should allow add-ons to cleanup after uninstall.
+function install(data, reason) {}
+function uninstall(data, reason) {}
+
+function startup(data, reasonCode) {
+ try {
+ let reason = REASON[reasonCode];
+ // URI for the root of the XPI file.
+ // 'jar:' URI if the addon is packed, 'file:' URI otherwise.
+ // (Used by l10n module in order to fetch `locale` folder)
+ let rootURI = data.resourceURI.spec;
+
+ // TODO: Maybe we should perform read harness-options.json asynchronously,
+ // since we can't do anything until 'sessionstore-windows-restored' anyway.
+ let options = JSON.parse(readURI(rootURI + './harness-options.json'));
+
+ let id = options.jetpackID;
+ let name = options.name;
+
+ // Clean the metadata
+ options.metadata[name]['permissions'] = options.metadata[name]['permissions'] || {};
+
+ // freeze the permissionss
+ Object.freeze(options.metadata[name]['permissions']);
+ // freeze the metadata
+ Object.freeze(options.metadata[name]);
+
+ // Register a new resource 'domain' for this addon which is mapping to
+ // XPI's `resources` folder.
+ // Generate the domain name by using jetpack ID, which is the extension ID
+ // by stripping common characters that doesn't work as a domain name:
+ let uuidRe =
+ /^\{([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})\}$/;
+
+ let domain = id.
+ toLowerCase().
+ replace(/@/g, '-at-').
+ replace(/\./g, '-dot-').
+ replace(uuidRe, '$1');
+
+ let prefixURI = 'resource://' + domain + '/';
+ let resourcesURI = ioService.newURI(rootURI + '/resources/', null, null);
+ resourceHandler.setSubstitution(domain, resourcesURI);
+
+ // Create path to URLs mapping supported by loader.
+ let paths = {
+ // Relative modules resolve to add-on package lib
+ './': prefixURI + name + '/lib/',
+ './tests/': prefixURI + name + '/tests/',
+ '': 'resource://gre/modules/commonjs/'
+ };
+
+ // Maps addon lib and tests ressource folders for each package
+ paths = Object.keys(options.metadata).reduce(function(result, name) {
+ result[name + '/'] = prefixURI + name + '/lib/'
+ result[name + '/tests/'] = prefixURI + name + '/tests/'
+ return result;
+ }, paths);
+
+ // We need to map tests folder when we run sdk tests whose package name
+ // is stripped
+ if (name == 'addon-sdk')
+ paths['tests/'] = prefixURI + name + '/tests/';
+
+ let useBundledSDK = options['force-use-bundled-sdk'];
+ if (!useBundledSDK) {
+ try {
+ useBundledSDK = prefService.getBoolPref("extensions.addon-sdk.useBundledSDK");
+ }
+ catch (e) {
+ // Pref doesn't exist, allow using Firefox shipped SDK
+ }
+ }
+
+ // Starting with Firefox 21.0a1, we start using modules shipped into firefox
+ // Still allow using modules from the xpi if the manifest tell us to do so.
+ // And only try to look for sdk modules in xpi if the xpi actually ship them
+ if (options['is-sdk-bundled'] &&
+ (vc.compare(appInfo.version, '21.0a1') < 0 || useBundledSDK)) {
+ // Maps sdk module folders to their resource folder
+ paths[''] = prefixURI + 'addon-sdk/lib/';
+ // test.js is usually found in root commonjs or SDK_ROOT/lib/ folder,
+ // so that it isn't shipped in the xpi. Keep a copy of it in sdk/ folder
+ // until we no longer support SDK modules in XPI:
+ paths['test'] = prefixURI + 'addon-sdk/lib/sdk/test.js';
+ }
+
+ // Retrieve list of module folder overloads based on preferences in order to
+ // eventually used a local modules instead of files shipped into Firefox.
+ let branch = prefService.getBranch('extensions.modules.' + id + '.path');
+ paths = branch.getChildList('', {}).reduce(function (result, name) {
+ // Allows overloading of any sub folder by replacing . by / in pref name
+ let path = name.substr(1).split('.').join('/');
+ // Only accept overloading folder by ensuring always ending with `/`
+ if (path) path += '/';
+ let fileURI = branch.getCharPref(name);
+
+ // On mobile, file URI has to end with a `/` otherwise, setSubstitution
+ // takes the parent folder instead.
+ if (fileURI[fileURI.length-1] !== '/')
+ fileURI += '/';
+
+ // Maps the given file:// URI to a resource:// in order to avoid various
+ // failure that happens with file:// URI and be close to production env
+ let resourcesURI = ioService.newURI(fileURI, null, null);
+ let resName = 'extensions.modules.' + domain + '.commonjs.path' + name;
+ resourceHandler.setSubstitution(resName, resourcesURI);
+
+ result[path] = 'resource://' + resName + '/';
+ return result;
+ }, paths);
+
+ // Make version 2 of the manifest
+ let manifest = options.manifest;
+
+ // Import `cuddlefish.js` module using a Sandbox and bootstrap loader.
+ let cuddlefishPath = 'loader/cuddlefish.js';
+ let cuddlefishURI = 'resource://gre/modules/commonjs/sdk/' + cuddlefishPath;
+ if (paths['sdk/']) { // sdk folder has been overloaded
+ // (from pref, or cuddlefish is still in the xpi)
+ cuddlefishURI = paths['sdk/'] + cuddlefishPath;
+ }
+ else if (paths['']) { // root modules folder has been overloaded
+ cuddlefishURI = paths[''] + 'sdk/' + cuddlefishPath;
+ }
+
+ cuddlefishSandbox = loadSandbox(cuddlefishURI);
+ let cuddlefish = cuddlefishSandbox.exports;
+
+ // Normalize `options.mainPath` so that it looks like one that will come
+ // in a new version of linker.
+ let main = options.mainPath;
+
+ unload = cuddlefish.unload;
+ loader = cuddlefish.Loader({
+ paths: paths,
+ // modules manifest.
+ manifest: manifest,
+
+ // Add-on ID used by different APIs as a unique identifier.
+ id: id,
+ // Add-on name.
+ name: name,
+ // Add-on version.
+ version: options.metadata[name].version,
+ // Add-on package descriptor.
+ metadata: options.metadata[name],
+ // Add-on load reason.
+ loadReason: reason,
+
+ prefixURI: prefixURI,
+ // Add-on URI.
+ rootURI: rootURI,
+ // options used by system module.
+ // File to write 'OK' or 'FAIL' (exit code emulation).
+ resultFile: options.resultFile,
+ // Arguments passed as --static-args
+ staticArgs: options.staticArgs,
+
+ // Arguments related to test runner.
+ modules: {
+ '@test/options': {
+ allTestModules: options.allTestModules,
+ iterations: options.iterations,
+ filter: options.filter,
+ profileMemory: options.profileMemory,
+ stopOnError: options.stopOnError,
+ verbose: options.verbose,
+ parseable: options.parseable,
+ checkMemory: options.check_memory,
+ }
+ }
+ });
+
+ let module = cuddlefish.Module('sdk/loader/cuddlefish', cuddlefishURI);
+ let require = cuddlefish.Require(loader, module);
+
+ require('sdk/addon/runner').startup(reason, {
+ loader: loader,
+ main: main,
+ prefsURI: rootURI + 'defaults/preferences/prefs.js'
+ });
+ } catch (error) {
+ dump('Bootstrap error: ' +
+ (error.message ? error.message : String(error)) + '\n' +
+ (error.stack || error.fileName + ': ' + error.lineNumber) + '\n');
+ throw error;
+ }
+};
+
+function loadSandbox(uri) {
+ let proto = {
+ sandboxPrototype: {
+ loadSandbox: loadSandbox,
+ ChromeWorker: ChromeWorker
+ }
+ };
+ let sandbox = Cu.Sandbox(systemPrincipal, proto);
+ // Create a fake commonjs environnement just to enable loading loader.js
+ // correctly
+ sandbox.exports = {};
+ sandbox.module = { uri: uri, exports: sandbox.exports };
+ sandbox.require = function (id) {
+ if (id !== "chrome")
+ throw new Error("Bootstrap sandbox `require` method isn't implemented.");
+
+ return Object.freeze({ Cc: Cc, Ci: Ci, Cu: Cu, Cr: Cr, Cm: Cm,
+ CC: bind(CC, Components), components: Components,
+ ChromeWorker: ChromeWorker });
+ };
+ scriptLoader.loadSubScript(uri, sandbox, 'UTF-8');
+ return sandbox;
+}
+
+function unloadSandbox(sandbox) {
+ if (Cu.getClassName(sandbox, true) == "Sandbox")
+ Cu.nukeSandbox(sandbox);
+}
+
+function setTimeout(callback, delay) {
+ let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
+ timer.initWithCallback({ notify: callback }, delay,
+ Ci.nsITimer.TYPE_ONE_SHOT);
+ return timer;
+}
+
+function shutdown(data, reasonCode) {
+ let reason = REASON[reasonCode];
+ if (loader) {
+ unload(loader, reason);
+ unload = null;
+
+ // Don't waste time cleaning up if the application is shutting down
+ if (reason != "shutdown") {
+ // Avoid leaking all modules when something goes wrong with one particular
+ // module. Do not clean it up immediatly in order to allow executing some
+ // actions on addon disabling.
+ // We need to keep a reference to the timer, otherwise it is collected
+ // and won't ever fire.
+ nukeTimer = setTimeout(nukeModules, 1000);
+ }
+ }
+};
+
+function nukeModules() {
+ nukeTimer = null;
+ // module objects store `exports` which comes from sandboxes
+ // We should avoid keeping link to these object to avoid leaking sandboxes
+ for (let key in loader.modules) {
+ delete loader.modules[key];
+ }
+ // Direct links to sandboxes should be removed too
+ for (let key in loader.sandboxes) {
+ let sandbox = loader.sandboxes[key];
+ delete loader.sandboxes[key];
+ // Bug 775067: From FF17 we can kill all CCW from a given sandbox
+ unloadSandbox(sandbox);
+ }
+ loader = null;
+
+ // both `toolkit/loader` and `system/xul-app` are loaded as JSM's via
+ // `cuddlefish.js`, and needs to be unloaded to avoid memory leaks, when
+ // the addon is unload.
+
+ unloadSandbox(cuddlefishSandbox.loaderSandbox);
+ unloadSandbox(cuddlefishSandbox.xulappSandbox);
+
+ // Bug 764840: We need to unload cuddlefish otherwise it will stay alive
+ // and keep a reference to this compartment.
+ unloadSandbox(cuddlefishSandbox);
+ cuddlefishSandbox = null;
+}