8252e45d0f
Also includes: * feat: improve support for bootstrapped extensions Added support for custom preference pages. * fix: incorrect loading order for bootstrap loader * fix: BootstrapLoader (cherry picked from commit eb40811e464688c7d2fc58a4330272dde1ec7937)
364 lines
11 KiB
JavaScript
364 lines
11 KiB
JavaScript
/* 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";
|
|
|
|
this.EXPORTED_SYMBOLS = ["ChromeManifest"];
|
|
|
|
const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
|
|
|
|
/**
|
|
* A parser for chrome.manifest files. Implements a subset of
|
|
* https://developer.mozilla.org/en-US/docs/Mozilla/Chrome_Registration
|
|
*/
|
|
class ChromeManifest {
|
|
/**
|
|
* Constructs the chrome.manifest parser
|
|
*
|
|
* @param {Function} loader An asynchronous function that will load further files, e.g.
|
|
* those included via the |manifest| instruction. The
|
|
* function will take the file as an argument and should
|
|
* resolve with the string contents of that file
|
|
* @param {Object} options Object describing the current system. The keys are manifest
|
|
* instructions
|
|
*/
|
|
constructor(loader, options) {
|
|
this.loader = loader;
|
|
this.options = options;
|
|
|
|
this.overlay = new DefaultMap(() => []);
|
|
this.locales = new DefaultMap(() => new Map());
|
|
this.style = new DefaultMap(() => new Set());
|
|
this.category = new DefaultMap(() => new Map());
|
|
|
|
this.component = new Map();
|
|
this.contract = new Map();
|
|
|
|
this.content = new Map();
|
|
this.skin = new Map();
|
|
this.resource = new Map();
|
|
this.override = new Map();
|
|
}
|
|
|
|
/**
|
|
* Parse the given file.
|
|
*
|
|
* @param {string} filename The filename to load
|
|
* @param {string} base The relative directory this file is expected to be in.
|
|
* @returns {Promise} Resolved when loading completes
|
|
*/
|
|
async parse(filename = "chrome.manifest", base = "") {
|
|
await this.parseString(await this.loader(filename), base);
|
|
}
|
|
|
|
/**
|
|
* Parse the given string.
|
|
*
|
|
* @param {string} data The file data to load
|
|
* @param {string} base The relative directory this file is expected to be in.
|
|
* @returns {Promise} Resolved when loading completes
|
|
*/
|
|
async parseString(data, base = "") {
|
|
let lines = data.split("\n");
|
|
let extraManifests = [];
|
|
for (let line of lines) {
|
|
let parts = line.trim().split(/\s+/);
|
|
let directive = parts.shift();
|
|
switch (directive) {
|
|
case "manifest":
|
|
extraManifests.push(this._parseManifest(base, ...parts));
|
|
break;
|
|
case "component":
|
|
this._parseComponent(...parts);
|
|
break;
|
|
case "contract":
|
|
this._parseContract(...parts);
|
|
break;
|
|
|
|
case "category":
|
|
this._parseCategory(...parts);
|
|
break;
|
|
case "content":
|
|
this._parseContent(...parts);
|
|
break;
|
|
case "locale":
|
|
this._parseLocale(...parts);
|
|
break;
|
|
case "skin":
|
|
this._parseSkin(...parts);
|
|
break;
|
|
case "resource":
|
|
this._parseResource(...parts);
|
|
break;
|
|
|
|
case "overlay":
|
|
this._parseOverlay(...parts);
|
|
break;
|
|
case "style":
|
|
this._parseStyle(...parts);
|
|
break;
|
|
case "override":
|
|
this._parseOverride(...parts);
|
|
break;
|
|
}
|
|
}
|
|
|
|
await Promise.all(extraManifests);
|
|
}
|
|
|
|
/**
|
|
* Ensure the flags provided for the instruction match our options
|
|
*
|
|
* @param {string[]} flags An array of raw flag values in the form key=value.
|
|
* @returns {boolean} True, if the flags match the options provided in the constructor
|
|
*/
|
|
_parseFlags(flags) {
|
|
if (!flags.length) {
|
|
return true;
|
|
}
|
|
|
|
let matchString = (a, sign, b) => {
|
|
if (sign != "=") {
|
|
console.warn(
|
|
`Invalid sign ${sign} in ${a}${sign}${b}, dropping manifest instruction`
|
|
);
|
|
return false;
|
|
}
|
|
return a == b;
|
|
};
|
|
|
|
let matchVersion = (a, sign, b) => {
|
|
switch (sign) {
|
|
case "=":
|
|
return Services.vc.compare(a, b) == 0;
|
|
case ">":
|
|
return Services.vc.compare(a, b) > 0;
|
|
case "<":
|
|
return Services.vc.compare(a, b) < 0;
|
|
case ">=":
|
|
return Services.vc.compare(a, b) >= 0;
|
|
case "<=":
|
|
return Services.vc.compare(a, b) <= 0;
|
|
default:
|
|
console.warn(
|
|
`Invalid sign ${sign} in ${a}${sign}${b}, dropping manifest instruction`
|
|
);
|
|
return false;
|
|
}
|
|
};
|
|
|
|
let flagMatches = (key, typeMatch) => {
|
|
return (
|
|
!flagdata.has(key) ||
|
|
flagdata.get(key).some(val => typeMatch(this.options[key], ...val))
|
|
);
|
|
};
|
|
|
|
let flagdata = new DefaultMap(() => []);
|
|
|
|
for (let flag of flags) {
|
|
let match = flag.match(/(\w+)(>=|<=|<|>|=)(.*)/);
|
|
if (match) {
|
|
flagdata.get(match[1]).push([match[2], match[3]]);
|
|
} else {
|
|
console.warn(`Invalid flag ${flag}, dropping manifest instruction`);
|
|
}
|
|
}
|
|
|
|
return (
|
|
flagMatches("application", matchString) &&
|
|
flagMatches("appversion", matchVersion) &&
|
|
flagMatches("platformversion", matchVersion) &&
|
|
flagMatches("os", matchString) &&
|
|
flagMatches("osversion", matchVersion) &&
|
|
flagMatches("abi", matchString)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Parse the manifest instruction, to load other files
|
|
*
|
|
* @param {string} base The base directory the manifest file is in
|
|
* @param {string} filename The file and path to load
|
|
* @param {...string} flags The flags for this instruction
|
|
* @returns {Promise} Promise resolved when the manifest is loaded
|
|
*/
|
|
async _parseManifest(base, filename, ...flags) {
|
|
if (this._parseFlags(flags)) {
|
|
let dirparts = filename.split("/");
|
|
dirparts.pop();
|
|
|
|
try {
|
|
await this.parse(filename, base + "/" + dirparts.join("/"));
|
|
} catch (e) {
|
|
console.log(`Could not read manifest '${base}/${filename}'.`);
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Parse the component instruction, to load xpcom components
|
|
*
|
|
* @param {string} classid The xpcom class id to load
|
|
* @param {string} loction The file location of this component
|
|
* @param {...string} flags The flags for this instruction
|
|
*/
|
|
_parseComponent(classid, location, ...flags) {
|
|
if (this._parseFlags(flags)) {
|
|
this.component.set(classid, location);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse the contract instruction, to load xpcom contract ids
|
|
*
|
|
* @param {string} contractid The xpcom contract id to load
|
|
* @param {string} location The file location of this component
|
|
* @param {...string} flags The flags for this instruction
|
|
*/
|
|
_parseContract(contractid, location, ...flags) {
|
|
if (this._parseFlags(flags)) {
|
|
this.contract.set(contractid, location);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse the category instruction, to set up xpcom categories
|
|
*
|
|
* @param {string} category The name of the category
|
|
* @param {string} entryName The category entry name
|
|
* @param {string} value The category entry value
|
|
* @param {...string} flags The flags for this instruction
|
|
*/
|
|
_parseCategory(category, entryName, value, ...flags) {
|
|
if (this._parseFlags(flags)) {
|
|
this.category.get(category).set(entryName, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse the content instruction, to set chrome content locations
|
|
*
|
|
* @param {string} shortname The content short name, e.g. chrome://shortname/content/
|
|
* @param {string} location The location for this content registration
|
|
* @param {...string} flags The flags for this instruction
|
|
*/
|
|
_parseContent(shortname, location, ...flags) {
|
|
if (this._parseFlags(flags)) {
|
|
this.content.set(shortname, location);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse the locale instruction, to set chrome locale locations
|
|
*
|
|
* @param {string} shortname The locale short name, e.g. chrome://shortname/locale/
|
|
* @param {string} location The location for this locale registration
|
|
* @param {...string} flags The flags for this instruction
|
|
*/
|
|
_parseLocale(shortname, locale, location, ...flags) {
|
|
if (this._parseFlags(flags)) {
|
|
this.locales.get(shortname).set(locale, location);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse the skin instruction, to set chrome skin locations
|
|
*
|
|
* @param {string} shortname The skin short name, e.g. chrome://shortname/skin/
|
|
* @param {string} location The location for this skin registration
|
|
* @param {...string} flags The flags for this instruction
|
|
*/
|
|
_parseSkin(packagename, skinname, location, ...flags) {
|
|
if (this._parseFlags(flags)) {
|
|
this.skin.set(packagename, location);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse the resource instruction, to set up resource uri substitutions
|
|
*
|
|
* @param {string} packagename The resource package name, e.g. resource://packagename/
|
|
* @param {string} url The location for this content registration
|
|
* @param {...string} flags The flags for this instruction
|
|
*/
|
|
_parseResource(packagename, location, ...flags) {
|
|
if (this._parseFlags(flags)) {
|
|
this.resource.set(packagename, location);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse the overlay instruction, to set up xul overlays
|
|
*
|
|
* @param {string} targetUrl The chrome target url
|
|
* @param {string} overlayUrl The url of the xul overlay
|
|
* @param {...string} flags The flags for this instruction
|
|
*/
|
|
_parseOverlay(targetUrl, overlayUrl, ...flags) {
|
|
if (this._parseFlags(flags)) {
|
|
this.overlay.get(targetUrl).push(overlayUrl);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse the style instruction, to add stylesheets into chrome windows
|
|
*
|
|
* @param {string} uri The uri of the chrome window
|
|
* @param {string} sheet The uri of the css sheet
|
|
* @param {...string} flags The flags for this instruction
|
|
*/
|
|
_parseStyle(uri, sheet, ...flags) {
|
|
if (this._parseFlags(flags)) {
|
|
this.style.get(uri).add(sheet);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse the override instruction, to set chrome uri overrides
|
|
*
|
|
* @param {string} uri The uri being overridden
|
|
* @param {string} newuri The replacement uri for the original location
|
|
* @param {...string} flags The flags for this instruction
|
|
*/
|
|
_parseOverride(uri, newuri, ...flags) {
|
|
if (this._parseFlags(flags)) {
|
|
this.override.set(uri, newuri);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A default map, which assumes a default value on get() if the key doesn't exist
|
|
*/
|
|
class DefaultMap extends Map {
|
|
/**
|
|
* Constructs the default map
|
|
*
|
|
* @param {Function} _default A function that returns the default value for this map
|
|
* @param {*} iterable An iterable to initialize the map with
|
|
*/
|
|
constructor(_default, iterable) {
|
|
super(iterable);
|
|
this._default = _default;
|
|
}
|
|
|
|
/**
|
|
* Get the given key, creating if necessary
|
|
*
|
|
* @param {string} key The key of the map to get
|
|
* @param {boolean} create True, if the key should be created in case it doesn't exist.
|
|
*/
|
|
get(key, create = true) {
|
|
if (this.has(key)) {
|
|
return super.get(key);
|
|
} else if (create) {
|
|
this.set(key, this._default());
|
|
return super.get(key);
|
|
}
|
|
|
|
return this._default();
|
|
}
|
|
}
|