зеркало из https://github.com/mozilla/gecko-dev.git
401 строка
13 KiB
JavaScript
401 строка
13 KiB
JavaScript
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Seth Spitzer <sspitzer@netscape.com>
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* Robert Ginda <rginda@netscape.com>
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* R. Saravanan <svn@xmlterm.org>
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*/
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/*
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* This file contains the following xmlterm related components:
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* 1. Command line handler service, for responding to the -terminal command line
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* option. (CLineHandler)
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* 2. Content handler for responding to content of type x-application-telnet
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* (TelnetContentHandler)
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* 3. Protocol handler for supplying a channel to the browser when an telnet://
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* link is clicked. (TelnetProtocolHandler)
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* 4. A (nearly empty) imeplementation of nsIChannel for telling the browser
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* that telnet:// links have the content type x-application-telnet (BogusChannel)
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*/
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/* components defined in this file */
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const CLINE_SERVICE_CONTRACTID =
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"@mozilla.org/commandlinehandler/general-startup;1?type=terminal";
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const CLINE_SERVICE_CID =
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Components.ID("{0eb82bE0-43a2-11d3-8e76-006008948af5}");
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const TELNETCNT_HANDLER_CONTRACTID =
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"@mozilla.org/uriloader/content-handler;1?type=x-application-telnet";
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const TELNETCNT_HANDLER_CID =
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Components.ID("{0eb82bE1-43a2-11d3-8e76-006008948af5}");
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const TELNETPROT_HANDLER_CONTRACTID =
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"@mozilla.org/network/protocol;1?name=telnet";
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const TELNETPROT_HANDLER_CID =
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Components.ID("{0eb82bE2-43a2-11d3-8e76-006008948af5}");
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/* components used in this file */
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const MEDIATOR_CONTRACTID =
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"@mozilla.org/rdf/datasource;1?name=window-mediator"
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const SIMPLEURI_CONTRACTID =
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"@mozilla.org/network/simple-uri;1";
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const ASS_CONTRACTID =
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"@mozilla.org/appshell/appShellService;1";
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const SCRIPTSECURITYMANAGER_CONTRACTID =
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"@mozilla.org/scriptsecuritymanager;1";
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const NS_IOSERVICE_CID_STR =
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"{9ac9e770-18bc-11d3-9337-00104ba0fd40}";
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/* interfaces used in this file */
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const nsIWindowMediator = Components.interfaces.nsIWindowMediator;
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const nsICmdLineHandler = Components.interfaces.nsICmdLineHandler;
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const nsICategoryManager = Components.interfaces.nsICategoryManager;
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const nsIContentHandler = Components.interfaces.nsIContentHandler;
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const nsIProtocolHandler = Components.interfaces.nsIProtocolHandler;
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const nsIURI = Components.interfaces.nsIURI;
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const nsIChannel = Components.interfaces.nsIChannel;
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const nsIRequest = Components.interfaces.nsIRequest;
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const nsIAppShellService = Components.interfaces.nsIAppShellService;
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const nsIIOService = Components.interfaces.nsIIOService;
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const nsIScriptSecurityManager = Components.interfaces.nsIScriptSecurityManager;
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const nsISupports = Components.interfaces.nsISupports;
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/* Command Line handler service */
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function CLineService()
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{}
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CLineService.prototype.commandLineArgument = "-terminal";
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CLineService.prototype.prefNameForStartup = "general.startup.terminal";
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CLineService.prototype.chromeUrlForTask="chrome://xmlterm/content";
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CLineService.prototype.helpText = "Start with a command line terminal";
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CLineService.prototype.handlesArgs=false;
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CLineService.prototype.defaultArgs ="";
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CLineService.prototype.openWindowWithArgs=false;
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/* factory for command line handler service (CLineService) */
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CLineFactory = new Object();
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CLineFactory.createInstance =
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function (outer, iid) {
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if (outer != null)
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throw Components.results.NS_ERROR_NO_AGGREGATION;
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if (!iid.equals(nsICmdLineHandler) && !iid.equals(nsISupports))
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throw Components.results.NS_ERROR_INVALID_ARG;
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return new CLineService();
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}
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/* x-application-telnet content handler */
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function TelnetContentHandler ()
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{}
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TelnetContentHandler.prototype.queryInterface =
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function (iid) {
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if (!iid.equals(nsIContentHandler))
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throw Components.results.NS_ERROR_NO_INTERFACE;
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return this;
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}
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TelnetContentHandler.prototype.handleContent =
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function (aContentType, aCommand, aWindowTarget, aSourceContext, aRequest)
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{
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var e;
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var aChannel = aRequest.QueryInterface(Components.interfaces.nsIChannel);
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dump ("telnetLoader.handleContent (" + aContentType + ", " +
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aCommand + ", " + aWindowTarget + ", " + aSourceContext + ", " +
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aChannel.URI.spec + ")\n");
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var xmltermChromeURL = "chrome://xmlterm/content/xmlterm.xul?"+aChannel.URI.spec;
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//dump("telnetLoader:xmltermChromeURL = " + xmltermChromeURL + "\n");
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var windowManager =
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Components.classes[MEDIATOR_CONTRACTID].getService(nsIWindowMediator);
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var w = windowManager.getMostRecentWindow("terminal:xmlterm");
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// Commented out because unlike chatzilla, xmlterm is not really a service
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// if (w)
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// {
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// // Shift focus to XMLterm window
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// w.focus();
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// w.gotoTelnetURL(aChannel.URI.spec);
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// } else
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// Create new XMLterm window
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var ass = Components.classes[ASS_CONTRACTID].getService(nsIAppShellService);
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var w = ass.getHiddenDOMWindow();
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w.open(xmltermChromeURL, "_blank", "chrome,menubar,toolbar,resizable");
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}
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/* content handler factory object (TelnetContentHandler) */
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TelnetContentHandlerFactory = new Object();
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TelnetContentHandlerFactory.createInstance =
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function (outer, iid) {
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if (outer != null)
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throw Components.results.NS_ERROR_NO_AGGREGATION;
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if (!iid.equals(nsIContentHandler) && !iid.equals(nsISupports))
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throw Components.results.NS_ERROR_INVALID_ARG;
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return new TelnetContentHandler();
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}
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/* telnet protocol handler component */
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function TelnetProtocolHandler()
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{
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}
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TelnetProtocolHandler.prototype.scheme = "telnet";
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TelnetProtocolHandler.prototype.defaultPort = -1;
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TelnetProtocolHandler.prototype.newURI =
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function (aSpec, aBaseURI)
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{
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if (aBaseURI)
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{
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dump ("-*- telnetHandler: aBaseURI passed to newURI, bailing.\n");
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return null;
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}
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var uri = Components.classes[SIMPLEURI_CONTRACTID].createInstance(nsIURI);
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uri.spec = aSpec;
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return uri;
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}
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// "Global" variable
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var gSystemPrincipal = null;
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TelnetProtocolHandler.prototype.newChannel =
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function (aURI)
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{
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var uriSpec = aURI.spec
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//dump("TelnetProtocolHandler.newChannel: uriSpec="+uriSpec+"\n");
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if (uriSpec != "telnet:xmlterm")
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return new BogusChannel (aURI);
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// Re-direct to chrome HTML document, but with system principal
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var ioServ = Components.classesByID[NS_IOSERVICE_CID_STR].getService();
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ioServ = ioServ.QueryInterface(nsIIOService);
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// Open temporary XUL channel
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var xulURI = ioServ.newURI("chrome://xmlterm/content/xmltermDummy.xul",
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null);
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var temChannel = ioServ.newChannelFromURI(xulURI);
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// Get owner of XUL channel
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var xulOwner = temChannel.owner;
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if (!gSystemPrincipal) {
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if (!xulOwner) {
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dump("xmlterm: Internal error; unable to obtain system principal\n");
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throw Components.results.NS_ERROR_FAILURE;
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}
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gSystemPrincipal = xulOwner;
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}
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//dump("gSystemPrincipal="+gSystemPrincipal+"\n");
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// Cancel XUL request and release channel
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// why are you canceling here?! you have not even opened anything yet - dougt.
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// temChannel.cancel(Components.results.NS_BINDING_ABORTED);
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temChannel = null;
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// Get current process directory
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var dscontractid = "@mozilla.org/file/directory_service;1";
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var ds = Components.classes[dscontractid].getService();
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var dsprops = ds.QueryInterface(Components.interfaces.nsIProperties);
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var file = dsprops.get("CurProcD", Components.interfaces.nsIFile);
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file.append("chrome");
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file.append("xmlterm.jar");
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//dump("file="+file.path+"\n");
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// Contruct JAR URI spec for xmlterm.html
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// Use file: rather than resource: or chrome: scheme to allow
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// xmlterm to load other file URLs without failing the security check
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var jarURI = "jar:file:"+file.path+"!/content/xmlterm/xmlterm.html";
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var newChannel = ioServ.newChannel(jarURI, null);
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// Make new channel owned by system principal
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newChannel.owner = gSystemPrincipal;
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return newChannel;
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}
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/* protocol handler factory object (TelnetProtocolHandler) */
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TelnetProtocolHandlerFactory = new Object();
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TelnetProtocolHandlerFactory.createInstance =
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function (outer, iid) {
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if (outer != null)
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throw Components.results.NS_ERROR_NO_AGGREGATION;
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if (!iid.equals(nsIProtocolHandler) && !iid.equals(nsISupports))
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throw Components.results.NS_ERROR_INVALID_ARG;
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return new TelnetProtocolHandler();
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}
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/* bogus Telnet channel used by the TelnetProtocolHandler */
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function BogusChannel (aURI)
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{
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this.URI = aURI;
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this.originalURI = aURI;
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}
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BogusChannel.prototype.queryInterface =
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function (iid) {
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if (!iid.equals(nsIChannel) && !iid.equals(nsIRequest) &&
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!iid.equals(nsISupports))
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throw Components.results.NS_ERROR_NO_INTERFACE;
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return this;
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}
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/* nsIChannel */
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BogusChannel.prototype.loadAttributes = null;
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BogusChannel.prototype.contentType = "x-application-telnet";
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BogusChannel.prototype.contentLength = 0;
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BogusChannel.prototype.owner = null;
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BogusChannel.prototype.loadGroup = null;
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BogusChannel.prototype.notificationCallbacks = null;
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BogusChannel.prototype.securityInfo = null;
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BogusChannel.prototype.shouldCache = false;
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BogusChannel.prototype.open =
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BogusChannel.prototype.asyncOpen =
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function ()
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{
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throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
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}
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BogusChannel.prototype.asyncOpen =
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function (observer, ctxt)
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{
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observer.onStartRequest (this, ctxt);
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}
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/* nsIRequest */
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BogusChannel.prototype.isPending =
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function ()
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{
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return true;
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}
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BogusChannel.prototype.status = Components.results.NS_OK;
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BogusChannel.prototype.cancel =
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function (aStatus)
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{
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this.status = aStatus;
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}
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BogusChannel.prototype.parent =
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BogusChannel.prototype.suspend =
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BogusChannel.prototype.resume =
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function ()
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{
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throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
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}
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var XMLtermModule = new Object();
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XMLtermModule.registerSelf =
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function (compMgr, fileSpec, location, type)
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{
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dump("*** Registering -terminal handler.\n");
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compMgr.registerComponentWithType(CLINE_SERVICE_CID,
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"XMLterm CommandLine Service",
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CLINE_SERVICE_CONTRACTID, fileSpec,
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location, true, true, type);
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catman = Components.classes["@mozilla.org/categorymanager;1"]
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.getService(nsICategoryManager);
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catman.addCategoryEntry("command-line-argument-handlers",
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"xmlterm command line handler",
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CLINE_SERVICE_CONTRACTID, true, true);
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dump("*** Registering x-application-telnet handler.\n");
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compMgr.registerComponentWithType(TELNETCNT_HANDLER_CID,
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"Telnet Content Handler",
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TELNETCNT_HANDLER_CONTRACTID, fileSpec,
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location, true, true, type);
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dump("*** Registering telnet protocol handler.\n");
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compMgr.registerComponentWithType(TELNETPROT_HANDLER_CID,
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"Telnet protocol handler",
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TELNETPROT_HANDLER_CONTRACTID, fileSpec, location,
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true, true, type);
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}
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XMLtermModule.unregisterSelf =
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function(compMgr, fileSpec, location)
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{
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compMgr.unregisterComponentSpec(CLINE_SERVICE_CID, fileSpec);
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catman = Components.classes["@mozilla.org/categorymanager;1"]
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.getService(nsICategoryManager);
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catman.deleteCategoryEntry("command-line-argument-handlers",
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CLINE_SERVICE_CONTRACTID, true);
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}
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XMLtermModule.getClassObject =
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function (compMgr, cid, iid) {
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if (cid.equals(CLINE_SERVICE_CID))
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return CLineFactory;
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if (cid.equals(TELNETCNT_HANDLER_CID))
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return TelnetContentHandlerFactory;
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if (cid.equals(TELNETPROT_HANDLER_CID))
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return TelnetProtocolHandlerFactory;
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if (!iid.equals(Components.interfaces.nsIFactory))
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throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
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throw Components.results.NS_ERROR_NO_INTERFACE;
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}
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XMLtermModule.canUnload =
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function(compMgr)
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{
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return true;
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}
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/* entrypoint */
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function NSGetModule(compMgr, fileSpec) {
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return XMLtermModule;
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}
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