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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/. */
"use strict";
const { Cu } = require("chrome");
const { NetUtil } = require("resource://gre/modules/NetUtil.jsm");
const { Task: { spawn } } = require("resource://gre/modules/Task.jsm");
const { readURI } = require("sdk/net/url");
const { mount, unmount } = require("sdk/uri/resource");
const { setTimeout } = require("sdk/timers");
const { Loader, Require, Module, main, unload } = require("toolkit/loader");
const prefs = require("sdk/preferences/service");
// load below now, so that it can be used by sdk/addon/runner
// see bug https://bugzilla.mozilla.org/show_bug.cgi?id=1042239
const Startup = Cu.import("resource://gre/modules/sdk/system/Startup.js", {});
const REASON = [ "unknown", "startup", "shutdown", "enable", "disable",
"install", "uninstall", "upgrade", "downgrade" ];
const UUID_PATTERN = /^\{([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})\}$/;
// Takes add-on ID and normalizes it to a domain name so that add-on
// can be mapped to resource://domain/
const readDomain = id =>
// If only `@` character is the first one, than just substract it,
// otherwise fallback to legacy normalization code path. Note: `.`
// is valid character for resource substitutaiton & we intend to
// make add-on URIs intuitive, so it's best to just stick to an
// add-on author typed input.
id.lastIndexOf("@") === 0 ? id.substr(1).toLowerCase() :
id.toLowerCase().
replace(/@/g, "-at-").
replace(/\./g, "-dot-").
replace(UUID_PATTERN, "$1");
const readPaths = id => {
const base = `extensions.modules.${id}.path.`;
const domain = readDomain(id);
return prefs.keys(base).reduce((paths, key) => {
const value = prefs.get(key);
const name = key.replace(base, "");
const path = name.split(".").join("/");
const prefix = path.length ? `${path}/` : path;
const uri = value.endsWith("/") ? value : `${value}/`;
const root = `extensions.modules.${domain}.commonjs.path.${name}`;
mount(root, uri);
paths[prefix] = `resource://${root}/`;
return paths;
}, {});
};
const Bootstrap = function(mountURI) {
this.mountURI = mountURI;
this.install = this.install.bind(this);
this.uninstall = this.uninstall.bind(this);
this.startup = this.startup.bind(this);
this.shutdown = this.shutdown.bind(this);
};
Bootstrap.prototype = {
constructor: Bootstrap,
mount(domain, rootURI) {
mount(domain, rootURI);
this.domain = domain;
},
unmount() {
if (this.domain) {
unmount(this.domain);
this.domain = null;
}
},
install(addon, reason) {
return new Promise(resolve => resolve());
},
uninstall(addon, reason) {
return new Promise(resolve => {
const {id} = addon;
prefs.reset(`extensions.${id}.sdk.domain`);
prefs.reset(`extensions.${id}.sdk.version`);
prefs.reset(`extensions.${id}.sdk.rootURI`);
prefs.reset(`extensions.${id}.sdk.baseURI`);
prefs.reset(`extensions.${id}.sdk.load.reason`);
resolve();
});
},
startup(addon, reasonCode) {
const { id, version, resourceURI: { spec: addonURI } } = addon;
const rootURI = this.mountURI || addonURI;
const reason = REASON[reasonCode];
const self = this;
return spawn(function*() {
const metadata = JSON.parse(yield readURI(`${rootURI}package.json`));
const domain = readDomain(id);
const baseURI = `resource://${domain}/`;
this.mount(domain, rootURI);
prefs.set(`extensions.${id}.sdk.domain`, domain);
prefs.set(`extensions.${id}.sdk.version`, version);
prefs.set(`extensions.${id}.sdk.rootURI`, rootURI);
prefs.set(`extensions.${id}.sdk.baseURI`, baseURI);
prefs.set(`extensions.${id}.sdk.load.reason`, reason);
const command = prefs.get(`extensions.${id}.sdk.load.command`);
const loader = Loader({
id,
isNative: true,
checkCompatibility: true,
prefixURI: baseURI,
rootURI: baseURI,
name: metadata.name,
paths: Object.assign({
"": "resource://gre/modules/commonjs/",
"devtools/": "resource://devtools/",
"./": baseURI
}, readPaths(id)),
manifest: metadata,
metadata: metadata,
modules: {
"@test/options": {},
},
noQuit: prefs.get(`extensions.${id}.sdk.test.no-quit`, false)
});
self.loader = loader;
const module = Module("package.json", `${baseURI}package.json`);
const require = Require(loader, module);
const main = command === "test" ? "sdk/test/runner" : null;
const prefsURI = `${baseURI}defaults/preferences/prefs.js`;
// Init the 'sdk/webextension' module from the bootstrap addon parameter.
require("sdk/webextension").initFromBootstrapAddonParam(addon);
const { startup } = require("sdk/addon/runner");
startup(reason, {loader, main, prefsURI});
}.bind(this)).catch(error => {
console.error(`Failed to start ${id} addon`, error);
throw error;
});
},
shutdown(addon, code) {
this.unmount();
return this.unload(REASON[code]);
},
unload(reason) {
return new Promise(resolve => {
const { loader } = this;
if (loader) {
this.loader = null;
unload(loader, reason);
setTimeout(() => {
for (let uri of Object.keys(loader.sandboxes)) {
let sandbox = loader.sandboxes[uri];
if (Cu.getClassName(sandbox, true) == "Sandbox")
Cu.nukeSandbox(sandbox);
delete loader.sandboxes[uri];
delete loader.modules[uri];
}
try {
Cu.nukeSandbox(loader.sharedGlobalSandbox);
} catch (e) {
Cu.reportError(e);
}
resolve();
}, 1000);
}
else {
resolve();
}
});
}
};
exports.Bootstrap = Bootstrap;
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