зеркало из https://github.com/mozilla/pjs.git
266 строки
8.0 KiB
JavaScript
266 строки
8.0 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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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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*
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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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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Ashish Bhatt <ashishbhatt@netscape.com>
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*
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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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*
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* ***** END LICENSE BLOCK ***** */
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const IO_SERVICE_CTRID =
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"@mozilla.org/network/io-service;1" ;
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const nsIIOService =
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Components.interfaces.nsIIOService ;
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function FileProtocolHandler(aScheme)
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{
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try {
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netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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ioservice = Components.classes[IO_SERVICE_CTRID].getService(nsIIOService);
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if(!ioservice)
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this.exception = "Unable to get nsIIOService" ;
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this.protocolhandler = ioservice.getProtocolHandler(aScheme) ;
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if (!this.protocolhandler)
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this.exception = "Unable to get nsIProtocolHandler" ;
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return this ;
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}
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catch(e){
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this.exception = e ;
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}
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}
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FileProtocolHandler.prototype.returnvalue = null;
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FileProtocolHandler.prototype.success = null;
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FileProtocolHandler.prototype.exception = null;
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FileProtocolHandler.prototype.protocolhandler = null ;
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FileProtocolHandler.prototype.scheme = function ()
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{
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/**
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* The scheme of this protocol (e.g., "file").
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*/
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try {
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netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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this.returnvalue = this.protocolhandler.scheme ;
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if (this.returnvalue)
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this.success = true ;
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else
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this.success = false ;
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}
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catch(e){
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this.success = false ;
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this.exception = e ;
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}
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}
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FileProtocolHandler.prototype.defaultPort = function ()
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{
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/**
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* The default port is the port that this protocol normally uses.
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* If a port does not make sense for the protocol (e.g., "about:")
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* then -1 will be returned.
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*/
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try {
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netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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this.returnvalue = this.protocolhandler.defaultPort ;
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if (this.returnvalue)
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this.success = true ;
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else
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this.success = false ;
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}
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catch(e){
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this.success = false ;
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this.exception = e ;
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}
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}
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FileProtocolHandler.prototype.protocolFlags = function ()
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{
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/**
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* Returns the protocol specific flags (see flag definitions below).
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*/
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try {
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netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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this.returnvalue = this.protocolhandler.protocolFlags ;
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if (this.returnvalue>=0)
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this.success = true ;
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else
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this.success = false ;
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}
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catch(e){
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this.success = false ;
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this.exception = e ;
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}
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}
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FileProtocolHandler.prototype.newURI = function(aSpec,aOriginCharset,aBaseURI)
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{
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/**
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* Makes a URI object that is suitable for loading by this protocol,
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* where the URI string is given as an UTF-8 string. The caller may
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* provide the charset from which the URI string originated, so that
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* the URI string can be translated back to that charset (if necessary)
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* before communicating with, for example, the origin server of the URI
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* string. (Many servers do not support UTF-8 IRIs at the present time,
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* so we must be careful about tracking the native charset of the origin
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* server.)
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*
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* @param aSpec - the URI string in UTF-8 encoding. depending
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* on the protocol implementation, unicode character
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* sequences may or may not be %xx escaped.
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* @param aOriginCharset - the charset of the document from which this URI
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* string originated. this corresponds to the
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* charset that should be used when communicating
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* this URI to an origin server, for example. if
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* null, then UTF-8 encoding is assumed (i.e.,
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* no charset transformation from aSpec).
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* @param aBaseURI - if null, aSpec must specify an absolute URI.
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* otherwise, aSpec may be resolved relative
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* to aBaseURI, depending on the protocol.
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* If the protocol has no concept of relative
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* URI aBaseURI will simply be ignored.
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*/
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try {
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netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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this.returnvalue = this.protocolhandler.newURI(aSpec,aOriginCharset,aBaseURI)
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if (this.returnvalue)
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this.success = true ;
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else
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this.success = false ;
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}
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catch(e){
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this.success = false ;
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this.exception = e ;
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}
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}
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FileProtocolHandler.prototype.newChannel = function(aURI)
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{
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/**
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* Creates a channel for a given URI.
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*
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* @param aURI nsIURI from which to make a channel
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* @return reference to the new nsIChannel object
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*
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* nsIChannel newChannelFromURI(in nsIURI aURI);
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*/
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try{
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netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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this.returnvalue = this.protocolhandler.newChannel(aURI) ;
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if (this.returnvalue)
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this.success = true
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else
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this.success = false;
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}
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catch(e){
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this.success = false;
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this.exception = e ;
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}
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}
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FileProtocolHandler.prototype.allowPort= function(aPort, aScheme)
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{
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/**
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* Checks if a port number is banned. This involves consulting a list of
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* unsafe ports, corresponding to network services that may be easily
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* exploitable. If the given port is considered unsafe, then the protocol
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* handler (corresponding to aScheme) will be asked whether it wishes to
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* override the IO service's decision to block the port. This gives the
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* protocol handler ultimate control over its own security policy while
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* ensuring reasonable, default protection.
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*
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* @see nsIProtocolHandler::allowPort
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*
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* boolean allowPort(in long aPort, in string aScheme);
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*/
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try{
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netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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this.returnvalue = this.protocolhandler.allowPort(aPort, aScheme) ;
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this.success = true
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}
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catch(e){
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this.success = false;
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this.exception = e ;
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}
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}
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