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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* The Original Code is ubufox
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* The Initial Developer of the Original Code is Canonical Ltd.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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* Chris Coulson <chris.coulson@canonical.com>
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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* ***** END LICENSE BLOCK ***** */
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const Cu = Components.utils;
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const Ci = Components.interfaces;
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const nsIHttpChannel = Ci.nsIHttpChannel;
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const nsIObserver = Ci.nsIObserver;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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function ufoxHTTPListener() {
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this.headerName = "X-Ubuntu";
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this.headerValue = Services.prefs.getCharPref("extensions.ubufox@ubuntu.com.release");
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Services.obs.addObserver(this, "http-on-modify-request", false);
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ufoxHTTPListener.prototype = {
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classID: Components.ID("{f0b9df8b-0b9a-4432-9812-45b597e71e26}"),
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observe: function(subject, topic, data)
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if (topic == "http-on-modify-request") {
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var httpChannel = subject.QueryInterface(nsIHttpChannel);
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// We only do this for apt.ubuntu.com for now.
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// Note, this is triggered of every HTTP request, so don't do
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// anything stupid here like comparing lots of strings.
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if (httpChannel.originalURI.host.indexOf("apt.ubuntu.com") != -1) {
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httpChannel.setRequestHeader(this.headerName, this.headerValue, false);
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QueryInterface: XPCOMUtils.generateQI([nsIObserver]),
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var NSGetFactory = XPCOMUtils.generateNSGetFactory([ufoxHTTPListener]);