RetroZilla/embedding/qa/jstests/networking/nsIProtocolHandler.js

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Ashish Bhatt <ashishbhatt@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
const IO_SERVICE_CTRID =
"@mozilla.org/network/io-service;1" ;
const nsIIOService =
Components.interfaces.nsIIOService ;
function FileProtocolHandler(aScheme)
{
try {
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
ioservice = Components.classes[IO_SERVICE_CTRID].getService(nsIIOService);
if(!ioservice)
this.exception = "Unable to get nsIIOService" ;
this.protocolhandler = ioservice.getProtocolHandler(aScheme) ;
if (!this.protocolhandler)
this.exception = "Unable to get nsIProtocolHandler" ;
return this ;
}
catch(e){
this.exception = e ;
}
}
FileProtocolHandler.prototype.returnvalue = null;
FileProtocolHandler.prototype.success = null;
FileProtocolHandler.prototype.exception = null;
FileProtocolHandler.prototype.protocolhandler = null ;
FileProtocolHandler.prototype.scheme = function ()
{
/**
* The scheme of this protocol (e.g., "file").
*/
try {
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
this.returnvalue = this.protocolhandler.scheme ;
if (this.returnvalue)
this.success = true ;
else
this.success = false ;
}
catch(e){
this.success = false ;
this.exception = e ;
}
}
FileProtocolHandler.prototype.defaultPort = function ()
{
/**
* The default port is the port that this protocol normally uses.
* If a port does not make sense for the protocol (e.g., "about:")
* then -1 will be returned.
*/
try {
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
this.returnvalue = this.protocolhandler.defaultPort ;
if (this.returnvalue)
this.success = true ;
else
this.success = false ;
}
catch(e){
this.success = false ;
this.exception = e ;
}
}
FileProtocolHandler.prototype.protocolFlags = function ()
{
/**
* Returns the protocol specific flags (see flag definitions below).
*/
try {
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
this.returnvalue = this.protocolhandler.protocolFlags ;
if (this.returnvalue>=0)
this.success = true ;
else
this.success = false ;
}
catch(e){
this.success = false ;
this.exception = e ;
}
}
FileProtocolHandler.prototype.newURI = function(aSpec,aOriginCharset,aBaseURI)
{
/**
* Makes a URI object that is suitable for loading by this protocol,
* where the URI string is given as an UTF-8 string. The caller may
* provide the charset from which the URI string originated, so that
* the URI string can be translated back to that charset (if necessary)
* before communicating with, for example, the origin server of the URI
* string. (Many servers do not support UTF-8 IRIs at the present time,
* so we must be careful about tracking the native charset of the origin
* server.)
*
* @param aSpec - the URI string in UTF-8 encoding. depending
* on the protocol implementation, unicode character
* sequences may or may not be %xx escaped.
* @param aOriginCharset - the charset of the document from which this URI
* string originated. this corresponds to the
* charset that should be used when communicating
* this URI to an origin server, for example. if
* null, then UTF-8 encoding is assumed (i.e.,
* no charset transformation from aSpec).
* @param aBaseURI - if null, aSpec must specify an absolute URI.
* otherwise, aSpec may be resolved relative
* to aBaseURI, depending on the protocol.
* If the protocol has no concept of relative
* URI aBaseURI will simply be ignored.
*/
try {
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
this.returnvalue = this.protocolhandler.newURI(aSpec,aOriginCharset,aBaseURI)
if (this.returnvalue)
this.success = true ;
else
this.success = false ;
}
catch(e){
this.success = false ;
this.exception = e ;
}
}
FileProtocolHandler.prototype.newChannel = function(aURI)
{
/**
* Creates a channel for a given URI.
*
* @param aURI nsIURI from which to make a channel
* @return reference to the new nsIChannel object
*
* nsIChannel newChannelFromURI(in nsIURI aURI);
*/
try{
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
this.returnvalue = this.protocolhandler.newChannel(aURI) ;
if (this.returnvalue)
this.success = true
else
this.success = false;
}
catch(e){
this.success = false;
this.exception = e ;
}
}
FileProtocolHandler.prototype.allowPort= function(aPort, aScheme)
{
/**
* Checks if a port number is banned. This involves consulting a list of
* unsafe ports, corresponding to network services that may be easily
* exploitable. If the given port is considered unsafe, then the protocol
* handler (corresponding to aScheme) will be asked whether it wishes to
* override the IO service's decision to block the port. This gives the
* protocol handler ultimate control over its own security policy while
* ensuring reasonable, default protection.
*
* @see nsIProtocolHandler::allowPort
*
* boolean allowPort(in long aPort, in string aScheme);
*/
try{
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
this.returnvalue = this.protocolhandler.allowPort(aPort, aScheme) ;
this.success = true
}
catch(e){
this.success = false;
this.exception = e ;
}
}