mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
109 lines
3.7 KiB
JavaScript
109 lines
3.7 KiB
JavaScript
// -*- Mode: javascript; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
// 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/.
|
|
|
|
this.EXPORTED_SYMBOLS = ["RemoteAddonsChild"];
|
|
|
|
const Ci = Components.interfaces;
|
|
const Cc = Components.classes;
|
|
const Cu = Components.utils;
|
|
|
|
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
|
|
Cu.import('resource://gre/modules/Services.jsm');
|
|
|
|
/**
|
|
* This code registers an nsIContentPolicy in the child process. When
|
|
* it runs, it notifies the parent that it needs to run its own
|
|
* nsIContentPolicy list. If any policy in the parent rejects the load,
|
|
* that answer is returned to the child.
|
|
*/
|
|
let ContentPolicyChild = {
|
|
_classDescription: "Addon shim content policy",
|
|
_classID: Components.ID("6e869130-635c-11e2-bcfd-0800200c9a66"),
|
|
_contractID: "@mozilla.org/addon-child/policy;1",
|
|
|
|
/**
|
|
* We only notify the parent of the load if it has any
|
|
* non-builtin policies registered.
|
|
*/
|
|
_childNeedsHook: false,
|
|
|
|
init: function(aContentGlobal) {
|
|
let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
|
|
registrar.registerFactory(this._classID, this._classDescription, this._contractID, this);
|
|
|
|
var catMan = Cc["@mozilla.org/categorymanager;1"].getService(Ci.nsICategoryManager);
|
|
catMan.addCategoryEntry("content-policy", this._contractID, this._contractID, false, true);
|
|
|
|
let policiesToIgnore = [];
|
|
let services = Cc["@mozilla.org/categorymanager;1"].getService(Ci.nsICategoryManager)
|
|
.enumerateCategory("content-policy");
|
|
while (services.hasMoreElements()) {
|
|
let item = services.getNext();
|
|
let name = item.QueryInterface(Components.interfaces.nsISupportsCString).toString();
|
|
policiesToIgnore.push(name);
|
|
}
|
|
|
|
let cpmm = Cc["@mozilla.org/childprocessmessagemanager;1"]
|
|
.getService(Ci.nsISyncMessageSender);
|
|
cpmm.addMessageListener("Addons:ContentPolicy:NeedHook", this);
|
|
cpmm.sendAsyncMessage("Addons:ContentPolicy:IgnorePolicies", { "policies": policiesToIgnore });
|
|
},
|
|
|
|
receiveMessage: function(aMessage) {
|
|
switch (aMessage.name) {
|
|
case "Addons:ContentPolicy:NeedHook":
|
|
this._childNeedsHook = aMessage.data.needed;
|
|
break;
|
|
}
|
|
},
|
|
|
|
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPolicy, Ci.nsIObserver,
|
|
Ci.nsIChannelEventSink, Ci.nsIFactory,
|
|
Ci.nsISupportsWeakReference]),
|
|
|
|
shouldLoad: function(contentType, contentLocation, requestOrigin, node, mimeTypeGuess, extra) {
|
|
if (!this._childNeedsHook)
|
|
return Ci.nsIContentPolicy.ACCEPT;
|
|
|
|
let cpmm = Cc["@mozilla.org/childprocessmessagemanager;1"]
|
|
.getService(Ci.nsISyncMessageSender);
|
|
var rval = cpmm.sendSyncMessage("Addons:ContentPolicy:Run", {
|
|
contentType: contentType,
|
|
mimeTypeGuess: mimeTypeGuess
|
|
}, {
|
|
contentLocation: contentLocation,
|
|
requestOrigin: requestOrigin,
|
|
node: node
|
|
});
|
|
if (rval.length != 1)
|
|
return Ci.nsIContentPolicy.ACCEPT;
|
|
|
|
return rval[0];
|
|
},
|
|
|
|
shouldProcess: function(contentType, contentLocation, requestOrigin, insecNode, mimeType, extra) {
|
|
return Ci.nsIContentPolicy.ACCEPT;
|
|
},
|
|
|
|
createInstance: function(outer, iid) {
|
|
if (outer)
|
|
throw Cr.NS_ERROR_NO_AGGREGATION;
|
|
return this.QueryInterface(iid);
|
|
},
|
|
};
|
|
|
|
let RemoteAddonsChild = {
|
|
initialized: false,
|
|
|
|
init: function(aContentGlobal) {
|
|
if (this.initialized)
|
|
return;
|
|
|
|
this.initialized = true;
|
|
|
|
ContentPolicyChild.init(aContentGlobal);
|
|
},
|
|
};
|