mirror of
https://github.com/mozilla/gecko-dev.git
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152 lines
4.7 KiB
C++
152 lines
4.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:set ts=4 sw=4 sts=4 et: */
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/* ***** 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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* Chak Nanga <chak@netscape.com>
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* Darin Fisher <darin@meer.net>
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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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#include "nsViewSourceHandler.h"
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#include "nsViewSourceChannel.h"
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#include "nsNetUtil.h"
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#include "nsSimpleNestedURI.h"
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#define VIEW_SOURCE "view-source"
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////////////////////////////////////////////////////////////////////////////////
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NS_IMPL_ISUPPORTS1(nsViewSourceHandler, nsIProtocolHandler)
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////////////////////////////////////////////////////////////////////////////////
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// nsIProtocolHandler methods:
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NS_IMETHODIMP
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nsViewSourceHandler::GetScheme(nsACString &result)
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{
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result.AssignLiteral(VIEW_SOURCE);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsViewSourceHandler::GetDefaultPort(PRInt32 *result)
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{
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*result = -1;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsViewSourceHandler::GetProtocolFlags(PRUint32 *result)
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{
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*result = URI_NORELATIVE | URI_NOAUTH | URI_LOADABLE_BY_ANYONE |
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URI_NON_PERSISTABLE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsViewSourceHandler::NewURI(const nsACString &aSpec,
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const char *aCharset,
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nsIURI *aBaseURI,
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nsIURI **aResult)
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{
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*aResult = nsnull;
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// Extract inner URL and normalize to ASCII. This is done to properly
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// support IDN in cases like "view-source:http://www.szalagavató.hu/"
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PRInt32 colon = aSpec.FindChar(':');
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if (colon == kNotFound)
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return NS_ERROR_MALFORMED_URI;
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nsCOMPtr<nsIURI> innerURI;
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nsresult rv = NS_NewURI(getter_AddRefs(innerURI),
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Substring(aSpec, colon + 1), aCharset, aBaseURI);
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if (NS_FAILED(rv))
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return rv;
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nsCAutoString asciiSpec;
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rv = innerURI->GetAsciiSpec(asciiSpec);
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if (NS_FAILED(rv))
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return rv;
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// put back our scheme and construct a simple-uri wrapper
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asciiSpec.Insert(VIEW_SOURCE ":", 0);
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// We can't swap() from an nsRefPtr<nsSimpleNestedURI> to an nsIURI**,
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// sadly.
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nsSimpleNestedURI* ourURI = new nsSimpleNestedURI(innerURI);
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nsCOMPtr<nsIURI> uri = ourURI;
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if (!uri)
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return NS_ERROR_OUT_OF_MEMORY;
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rv = ourURI->SetSpec(asciiSpec);
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if (NS_FAILED(rv))
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return rv;
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// Make the URI immutable so it's impossible to get it out of sync
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// with its inner URI.
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ourURI->SetMutable(PR_FALSE);
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uri.swap(*aResult);
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return rv;
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}
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NS_IMETHODIMP
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nsViewSourceHandler::NewChannel(nsIURI* uri, nsIChannel* *result)
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{
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NS_ENSURE_ARG_POINTER(uri);
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nsViewSourceChannel *channel = new nsViewSourceChannel();
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if (!channel)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(channel);
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nsresult rv = channel->Init(uri);
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if (NS_FAILED(rv)) {
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NS_RELEASE(channel);
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return rv;
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}
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*result = static_cast<nsIViewSourceChannel*>(channel);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsViewSourceHandler::AllowPort(PRInt32 port, const char *scheme, PRBool *_retval)
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{
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// don't override anything.
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*_retval = PR_FALSE;
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return NS_OK;
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}
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