The Tor Browser / file comparison
comparison: toolkit/modules/RemoteAddonsChild.jsm
toolkit/modules/RemoteAddonsChild.jsm
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- 6474c204b198
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| -1:000000000000 | 0:77602c8c2314 |
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| 1 // -*- Mode: javascript; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 // This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 // License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 // file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
| 5 | |
| 6 this.EXPORTED_SYMBOLS = ["RemoteAddonsChild"]; | |
| 7 | |
| 8 const Ci = Components.interfaces; | |
| 9 const Cc = Components.classes; | |
| 10 const Cu = Components.utils; | |
| 11 | |
| 12 Cu.import("resource://gre/modules/XPCOMUtils.jsm"); | |
| 13 Cu.import('resource://gre/modules/Services.jsm'); | |
| 14 | |
| 15 /** | |
| 16 * This code registers an nsIContentPolicy in the child process. When | |
| 17 * it runs, it notifies the parent that it needs to run its own | |
| 18 * nsIContentPolicy list. If any policy in the parent rejects the load, | |
| 19 * that answer is returned to the child. | |
| 20 */ | |
| 21 let ContentPolicyChild = { | |
| 22 _classDescription: "Addon shim content policy", | |
| 23 _classID: Components.ID("6e869130-635c-11e2-bcfd-0800200c9a66"), | |
| 24 _contractID: "@mozilla.org/addon-child/policy;1", | |
| 25 | |
| 26 /** | |
| 27 * We only notify the parent of the load if it has any | |
| 28 * non-builtin policies registered. | |
| 29 */ | |
| 30 _childNeedsHook: false, | |
| 31 | |
| 32 init: function(aContentGlobal) { | |
| 33 let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar); | |
| 34 registrar.registerFactory(this._classID, this._classDescription, this._contractID, this); | |
| 35 | |
| 36 var catMan = Cc["@mozilla.org/categorymanager;1"].getService(Ci.nsICategoryManager); | |
| 37 catMan.addCategoryEntry("content-policy", this._contractID, this._contractID, false, true); | |
| 38 | |
| 39 let policiesToIgnore = []; | |
| 40 let services = Cc["@mozilla.org/categorymanager;1"].getService(Ci.nsICategoryManager) | |
| 41 .enumerateCategory("content-policy"); | |
| 42 while (services.hasMoreElements()) { | |
| 43 let item = services.getNext(); | |
| 44 let name = item.QueryInterface(Components.interfaces.nsISupportsCString).toString(); | |
| 45 policiesToIgnore.push(name); | |
| 46 } | |
| 47 | |
| 48 let cpmm = Cc["@mozilla.org/childprocessmessagemanager;1"] | |
| 49 .getService(Ci.nsISyncMessageSender); | |
| 50 cpmm.addMessageListener("Addons:ContentPolicy:NeedHook", this); | |
| 51 cpmm.sendAsyncMessage("Addons:ContentPolicy:IgnorePolicies", { "policies": policiesToIgnore }); | |
| 52 }, | |
| 53 | |
| 54 receiveMessage: function(aMessage) { | |
| 55 switch (aMessage.name) { | |
| 56 case "Addons:ContentPolicy:NeedHook": | |
| 57 this._childNeedsHook = aMessage.data.needed; | |
| 58 break; | |
| 59 } | |
| 60 }, | |
| 61 | |
| 62 QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPolicy, Ci.nsIObserver, | |
| 63 Ci.nsIChannelEventSink, Ci.nsIFactory, | |
| 64 Ci.nsISupportsWeakReference]), | |
| 65 | |
| 66 shouldLoad: function(contentType, contentLocation, requestOrigin, node, mimeTypeGuess, extra) { | |
| 67 if (!this._childNeedsHook) | |
| 68 return Ci.nsIContentPolicy.ACCEPT; | |
| 69 | |
| 70 let cpmm = Cc["@mozilla.org/childprocessmessagemanager;1"] | |
| 71 .getService(Ci.nsISyncMessageSender); | |
| 72 var rval = cpmm.sendRpcMessage("Addons:ContentPolicy:Run", { | |
| 73 contentType: contentType, | |
| 74 mimeTypeGuess: mimeTypeGuess | |
| 75 }, { | |
| 76 contentLocation: contentLocation, | |
| 77 requestOrigin: requestOrigin, | |
| 78 node: node | |
| 79 }); | |
| 80 if (rval.length != 1) | |
| 81 return Ci.nsIContentPolicy.ACCEPT; | |
| 82 | |
| 83 return rval[0]; | |
| 84 }, | |
| 85 | |
| 86 shouldProcess: function(contentType, contentLocation, requestOrigin, insecNode, mimeType, extra) { | |
| 87 return Ci.nsIContentPolicy.ACCEPT; | |
| 88 }, | |
| 89 | |
| 90 createInstance: function(outer, iid) { | |
| 91 if (outer) | |
| 92 throw Cr.NS_ERROR_NO_AGGREGATION; | |
| 93 return this.QueryInterface(iid); | |
| 94 }, | |
| 95 }; | |
| 96 | |
| 97 let RemoteAddonsChild = { | |
| 98 initialized: false, | |
| 99 | |
| 100 init: function(aContentGlobal) { | |
| 101 if (this.initialized) | |
| 102 return; | |
| 103 | |
| 104 this.initialized = true; | |
| 105 | |
| 106 ContentPolicyChild.init(aContentGlobal); | |
| 107 }, | |
| 108 }; |
