mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
98 lines
2.9 KiB
C++
98 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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