gecko-dev/netwerk/base/public/nsIProtocolHandler.idl

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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):
*
* 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
#include "nsIChannel.idl"
interface nsIURI;
[scriptable, uuid(15fd6940-8ea7-11d3-93ad-00104ba0fd40)]
interface nsIProtocolHandler : nsISupports
{
readonly attribute string scheme;
/**
* Default Port will be the port that this protocol normally
* uses. If a port does not make sense for the protocol (eg about://)
* -1 will be returned.
*/
readonly attribute long defaultPort;
/**
* constants for the uritype mask
*/
/* the first is the default mask 0, the following masks are deviations */
/* standard full uri, has authority component and
has concept of relative uris (http, ftp, ...) */
const unsigned long URI_STD = 0;
/* no concept of relative uris, (about, rdf, javascript, finger, ...) */
const unsigned long URI_NORELATIVE = (1<<0);
/* no authority component (file, ...) */
const unsigned long URI_NOAUTH = (1<<1);
/* This uri can be proxied via a proxy (socks or http)
* (ie irc, smtp, http, etc). If the protocol supports transparent
* proxying, the handler should implement nsIProxiedProtocolHandler
* If it supports http proxying, then it should also set the flag
* ALLOWS_PROXY_HTTP (see below)
*
* @see nsIProxiedProtocolHandler
*/
const unsigned long ALLOWS_PROXY = (1<<2);
/* This uri can be proxied using an http proxy (ie http, ftp, etc).
* You need to have ALLOWS_PROXY set as well, if you want this to do anything
*/
const unsigned long ALLOWS_PROXY_HTTP = (1<<3);
/* more to come as needed */
readonly attribute unsigned long protocolFlags;
/**
* Makes a URI object that is suitable for loading by this protocol.
* In the usual case (when only the accessors provided by nsIURI are
* needed), this method just constructs a standard URI using the
* component manager with kStandardURLCID. aBaseURI may be nsnull.
*/
nsIURI newURI(in string aSpec, in nsIURI aBaseURI);
/**
* Constructs a new channel for this protocol handler.
*
* @param originalURI - Specifies the original URI which caused the creation
* of this channel. This can occur when the construction of one channel
* (e.g. for resource:) causes another channel to be created on its behalf
* (e.g. a file: channel), or if a redirect occurs, causing the current
* URL to become different from the original URL. If NULL, the aURI parameter
* will be used as the originalURI instead.
*/
nsIChannel newChannel(in nsIURI aURI);
/**
* Allows a protocol to override blacklisted ports.
*
* |allowPort| will be called when there is an attempt to connect to a port
* that is blacklisted. For example, for most protocols, port 25 (Simple Mail
* Transfer) is banned. When a url containing this "known-to-do-bad-things"
* port number is encountered, this function will be called to ask if the
* protocol handler wants to override the band.
*/
boolean allowPort(in long port, in string scheme);
};
%{C++
#define NS_NETWORK_PROTOCOL_CONTRACTID "@mozilla.org/network/protocol;1"
#define NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX NS_NETWORK_PROTOCOL_CONTRACTID "?name="
#define NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX_LENGTH 37 // nsCRT::strlen(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX)
// Unknown Protocol Error
#define NS_ERROR_UNKNOWN_PROTOCOL NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_NETWORK, 18)
%}