toolkit/modules/RemoteAddonsChild.jsm@b8a032363ba2 (annotated)
toolkit/modules/RemoteAddonsChild.jsm
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | // -*- Mode: javascript; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | // This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | // License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | // file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| michael@0 | 5 | |
| michael@0 | 6 | this.EXPORTED_SYMBOLS = ["RemoteAddonsChild"]; |
| michael@0 | 7 | |
| michael@0 | 8 | const Ci = Components.interfaces; |
| michael@0 | 9 | const Cc = Components.classes; |
| michael@0 | 10 | const Cu = Components.utils; |
| michael@0 | 11 | |
| michael@0 | 12 | Cu.import("resource://gre/modules/XPCOMUtils.jsm"); |
| michael@0 | 13 | Cu.import('resource://gre/modules/Services.jsm'); |
| michael@0 | 14 | |
| michael@0 | 15 | /** |
| michael@0 | 16 | * This code registers an nsIContentPolicy in the child process. When |
| michael@0 | 17 | * it runs, it notifies the parent that it needs to run its own |
| michael@0 | 18 | * nsIContentPolicy list. If any policy in the parent rejects the load, |
| michael@0 | 19 | * that answer is returned to the child. |
| michael@0 | 20 | */ |
| michael@0 | 21 | let ContentPolicyChild = { |
| michael@0 | 22 | _classDescription: "Addon shim content policy", |
| michael@0 | 23 | _classID: Components.ID("6e869130-635c-11e2-bcfd-0800200c9a66"), |
| michael@0 | 24 | _contractID: "@mozilla.org/addon-child/policy;1", |
| michael@0 | 25 | |
| michael@0 | 26 | /** |
| michael@0 | 27 | * We only notify the parent of the load if it has any |
| michael@0 | 28 | * non-builtin policies registered. |
| michael@0 | 29 | */ |
| michael@0 | 30 | _childNeedsHook: false, |
| michael@0 | 31 | |
| michael@0 | 32 | init: function(aContentGlobal) { |
| michael@0 | 33 | let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar); |
| michael@0 | 34 | registrar.registerFactory(this._classID, this._classDescription, this._contractID, this); |
| michael@0 | 35 | |
| michael@0 | 36 | var catMan = Cc["@mozilla.org/categorymanager;1"].getService(Ci.nsICategoryManager); |
| michael@0 | 37 | catMan.addCategoryEntry("content-policy", this._contractID, this._contractID, false, true); |
| michael@0 | 38 | |
| michael@0 | 39 | let policiesToIgnore = []; |
| michael@0 | 40 | let services = Cc["@mozilla.org/categorymanager;1"].getService(Ci.nsICategoryManager) |
| michael@0 | 41 | .enumerateCategory("content-policy"); |
| michael@0 | 42 | while (services.hasMoreElements()) { |
| michael@0 | 43 | let item = services.getNext(); |
| michael@0 | 44 | let name = item.QueryInterface(Components.interfaces.nsISupportsCString).toString(); |
| michael@0 | 45 | policiesToIgnore.push(name); |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | let cpmm = Cc["@mozilla.org/childprocessmessagemanager;1"] |
| michael@0 | 49 | .getService(Ci.nsISyncMessageSender); |
| michael@0 | 50 | cpmm.addMessageListener("Addons:ContentPolicy:NeedHook", this); |
| michael@0 | 51 | cpmm.sendAsyncMessage("Addons:ContentPolicy:IgnorePolicies", { "policies": policiesToIgnore }); |
| michael@0 | 52 | }, |
| michael@0 | 53 | |
| michael@0 | 54 | receiveMessage: function(aMessage) { |
| michael@0 | 55 | switch (aMessage.name) { |
| michael@0 | 56 | case "Addons:ContentPolicy:NeedHook": |
| michael@0 | 57 | this._childNeedsHook = aMessage.data.needed; |
| michael@0 | 58 | break; |
| michael@0 | 59 | } |
| michael@0 | 60 | }, |
| michael@0 | 61 | |
| michael@0 | 62 | QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPolicy, Ci.nsIObserver, |
| michael@0 | 63 | Ci.nsIChannelEventSink, Ci.nsIFactory, |
| michael@0 | 64 | Ci.nsISupportsWeakReference]), |
| michael@0 | 65 | |
| michael@0 | 66 | shouldLoad: function(contentType, contentLocation, requestOrigin, node, mimeTypeGuess, extra) { |
| michael@0 | 67 | if (!this._childNeedsHook) |
| michael@0 | 68 | return Ci.nsIContentPolicy.ACCEPT; |
| michael@0 | 69 | |
| michael@0 | 70 | let cpmm = Cc["@mozilla.org/childprocessmessagemanager;1"] |
| michael@0 | 71 | .getService(Ci.nsISyncMessageSender); |
| michael@0 | 72 | var rval = cpmm.sendRpcMessage("Addons:ContentPolicy:Run", { |
| michael@0 | 73 | contentType: contentType, |
| michael@0 | 74 | mimeTypeGuess: mimeTypeGuess |
| michael@0 | 75 | }, { |
| michael@0 | 76 | contentLocation: contentLocation, |
| michael@0 | 77 | requestOrigin: requestOrigin, |
| michael@0 | 78 | node: node |
| michael@0 | 79 | }); |
| michael@0 | 80 | if (rval.length != 1) |
| michael@0 | 81 | return Ci.nsIContentPolicy.ACCEPT; |
| michael@0 | 82 | |
| michael@0 | 83 | return rval[0]; |
| michael@0 | 84 | }, |
| michael@0 | 85 | |
| michael@0 | 86 | shouldProcess: function(contentType, contentLocation, requestOrigin, insecNode, mimeType, extra) { |
| michael@0 | 87 | return Ci.nsIContentPolicy.ACCEPT; |
| michael@0 | 88 | }, |
| michael@0 | 89 | |
| michael@0 | 90 | createInstance: function(outer, iid) { |
| michael@0 | 91 | if (outer) |
| michael@0 | 92 | throw Cr.NS_ERROR_NO_AGGREGATION; |
| michael@0 | 93 | return this.QueryInterface(iid); |
| michael@0 | 94 | }, |
| michael@0 | 95 | }; |
| michael@0 | 96 | |
| michael@0 | 97 | let RemoteAddonsChild = { |
| michael@0 | 98 | initialized: false, |
| michael@0 | 99 | |
| michael@0 | 100 | init: function(aContentGlobal) { |
| michael@0 | 101 | if (this.initialized) |
| michael@0 | 102 | return; |
| michael@0 | 103 | |
| michael@0 | 104 | this.initialized = true; |
| michael@0 | 105 | |
| michael@0 | 106 | ContentPolicyChild.init(aContentGlobal); |
| michael@0 | 107 | }, |
| michael@0 | 108 | }; |
