gecko/netwerk/protocol/app/AppProtocolHandler.js

77 lines
2.4 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";
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
"@mozilla.org/childprocessmessagemanager;1",
"nsISyncMessageSender");
function AppProtocolHandler() {
this._basePath = null;
}
AppProtocolHandler.prototype = {
classID: Components.ID("{b7ad6144-d344-4687-b2d0-b6b9dce1f07f}"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIProtocolHandler]),
scheme: "app",
defaultPort: -1,
// Using the same flags as the JAR protocol handler.
protocolFlags2: Ci.nsIProtocolHandler.URI_NORELATIVE |
Ci.nsIProtocolHandler.URI_NOAUTH |
Ci.nsIProtocolHandler.URI_LOADABLE_BY_ANYONE,
get basePath() {
if (!this._basePath) {
this._basePath = cpmm.sendSyncMessage("Webapps:GetBasePath", { })[0] + "/";
}
return this._basePath;
},
newURI: function app_phNewURI(aSpec, aOriginCharset, aBaseURI) {
let uri = Cc["@mozilla.org/network/standard-url;1"]
.createInstance(Ci.nsIStandardURL);
uri.init(Ci.nsIStandardURL.URLTYPE_STANDARD, -1, aSpec, aOriginCharset,
aBaseURI);
return uri.QueryInterface(Ci.nsIURI);
},
newChannel: function app_phNewChannel(aURI) {
// We map app://ABCDEF/path/to/file.ext to
// jar:file:///path/to/profile/webapps/ABCDEF/application.zip!/path/to/file.ext
let noScheme = aURI.spec.substring(6);
let firstSlash = noScheme.indexOf("/");
let appId = noScheme;
let fileSpec = aURI.path;
if (firstSlash) {
appId = noScheme.substring(0, firstSlash);
}
// Build a jar channel and masquerade as an app:// URI.
let uri = "jar:file://" + this.basePath + appId + "/application.zip!" + fileSpec;
let channel = Services.io.newChannel(uri, null, null);
channel.QueryInterface(Ci.nsIJARChannel).setAppURI(aURI);
channel.QueryInterface(Ci.nsIChannel).originalURI = aURI;
return channel;
},
allowPort: function app_phAllowPort(aPort, aScheme) {
return false;
}
};
const NSGetFactory = XPCOMUtils.generateNSGetFactory([AppProtocolHandler]);