mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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130 lines
4.4 KiB
C++
130 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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*
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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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// data implementation
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#include "nsIOService.h"
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#include "nsDataChannel.h"
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#include "nsDataHandler.h"
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#include "nsNetUtil.h"
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#include "nsIPipe.h"
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#include "nsIInputStream.h"
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#include "nsIOutputStream.h"
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#include "nsReadableUtils.h"
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#include "nsEscape.h"
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#include "plbase64.h"
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#include "plstr.h"
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#include "prmem.h"
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nsresult
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nsDataChannel::OpenContentStream(bool async, nsIInputStream **result,
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nsIChannel** channel)
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{
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NS_ENSURE_TRUE(URI(), NS_ERROR_NOT_INITIALIZED);
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nsresult rv;
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nsCAutoString spec;
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rv = URI()->GetAsciiSpec(spec);
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if (NS_FAILED(rv)) return rv;
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nsCString contentType, contentCharset, dataBuffer, hashRef;
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bool lBase64;
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rv = nsDataHandler::ParseURI(spec, contentType, contentCharset,
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lBase64, dataBuffer, hashRef);
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NS_UnescapeURL(dataBuffer);
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if (lBase64) {
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// Don't allow spaces in base64-encoded content. This is only
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// relevant for escaped spaces; other spaces are stripped in
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// NewURI.
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dataBuffer.StripWhitespace();
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}
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nsCOMPtr<nsIInputStream> bufInStream;
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nsCOMPtr<nsIOutputStream> bufOutStream;
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// create an unbounded pipe.
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rv = NS_NewPipe(getter_AddRefs(bufInStream),
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getter_AddRefs(bufOutStream),
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nsIOService::gDefaultSegmentSize,
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PR_UINT32_MAX,
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async, true);
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if (NS_FAILED(rv))
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return rv;
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PRUint32 contentLen;
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if (lBase64) {
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const PRUint32 dataLen = dataBuffer.Length();
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PRInt32 resultLen = 0;
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if (dataLen >= 1 && dataBuffer[dataLen-1] == '=') {
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if (dataLen >= 2 && dataBuffer[dataLen-2] == '=')
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resultLen = dataLen-2;
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else
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resultLen = dataLen-1;
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} else {
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resultLen = dataLen;
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}
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resultLen = ((resultLen * 3) / 4);
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// XXX PL_Base64Decode will return a null pointer for decoding
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// errors. Since those are more likely than out-of-memory,
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// should we return NS_ERROR_MALFORMED_URI instead?
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char * decodedData = PL_Base64Decode(dataBuffer.get(), dataLen, nsnull);
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if (!decodedData) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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rv = bufOutStream->Write(decodedData, resultLen, &contentLen);
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PR_Free(decodedData);
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} else {
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rv = bufOutStream->Write(dataBuffer.get(), dataBuffer.Length(), &contentLen);
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}
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if (NS_FAILED(rv))
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return rv;
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SetContentType(contentType);
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SetContentCharset(contentCharset);
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SetContentLength64(contentLen);
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NS_ADDREF(*result = bufInStream);
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return NS_OK;
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}
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