95 lines
3.4 KiB
JavaScript
95 lines
3.4 KiB
JavaScript
/*
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***** BEGIN LICENSE BLOCK *****
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Copyright © 2012 Center for History and New Media
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George Mason University, Fairfax, Virginia, USA
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http://zotero.org
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This file is part of Zotero.
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Zotero is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Zotero is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with Zotero. If not, see <http://www.gnu.org/licenses/>.
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***** END LICENSE BLOCK *****
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*/
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Components.utils.import("resource://gre/modules/Services.jsm");
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Zotero.Standalone = new function() {
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/**
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* Stream listener proxy for AMO requests to replace Firefox's app ID with toolkit@mozilla.org.
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* This means add-ons hosted at AMO will update properly for us.
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*/
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var AMOStreamListener = function() {};
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AMOStreamListener.prototype = {
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"QueryInterface": function(arg) {
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if (!iid.equals(Components.interfaces.nsIStreamListener)
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&& !iid.equals(Components.interfaces.nsIRequestObserver)
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&& !iid.equals(Components.interfaces.nsISupports)) {
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throw Components.results.NS_ERROR_NO_INTERFACE;
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}
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return this;
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},
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"onStartRequest": function(aRequest, aContext) {
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this._stream = Cc["@mozilla.org/binaryinputstream;1"].
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createInstance(Ci.nsIBinaryInputStream);
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this._bytes = "";
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this.oldListener.onStartRequest(aRequest, aContext);
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},
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"onStopRequest": function(aRequest, aContext, aStatusCode) {
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var requestFailed = !Components.isSuccessCode(aStatusCode);
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if(!requestFailed && (aRequest instanceof Ci.nsIHttpChannel))
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requestFailed = !aRequest.requestSucceeded;
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if(!requestFailed) {
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var data = this._bytes.replace("{ec8030f7-c20a-464f-9b0e-13a3a9e97384}",
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"toolkit@mozilla.org", "g")
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var nBytes = data.length;
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var inputStream = Cc["@mozilla.org/io/string-input-stream;1"].
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createInstance(Ci.nsIStringInputStream);
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inputStream.setData(data, nBytes);
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this.oldListener.onDataAvailable(aRequest, aContext, inputStream, 0, nBytes);
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}
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this.oldListener.onStopRequest(aRequest, aContext, aStatusCode);
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},
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"onDataAvailable": function(aRequest, aContext, aInputStream, aOffset, aCount) {
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this._stream.setInputStream(aInputStream);
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this._bytes += this._stream.readBytes(aCount);
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}
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};
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this.init = function() {
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// Set not offline
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Services.io.offline = false;
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// Add an observer to handle AMO requests
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Components.classes["@mozilla.org/observer-service;1"].
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getService(Components.interfaces.nsIObserverService).
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addObserver({
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"observe":function(ch) {
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try {
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if(ch.QueryInterface(Components.interfaces.nsIRequest).URI.host
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!== "versioncheck.addons.mozilla.org") return;
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} catch(e) {
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return;
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}
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var newListener = new AMOStreamListener;
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newListener.oldListener = ch.
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QueryInterface(Components.interfaces.nsITraceableChannel).
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setNewListener(newListener);
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}
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}, "http-on-examine-response", false);
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}
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}
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