The Tor Browser / file comparison
comparison: netwerk/protocol/data/nsDataChannel.cpp
netwerk/protocol/data/nsDataChannel.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:ac05e6ab866e |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 // data implementation | |
| 7 | |
| 8 #include "nsDataChannel.h" | |
| 9 | |
| 10 #include "mozilla/Base64.h" | |
| 11 #include "nsIOService.h" | |
| 12 #include "nsDataHandler.h" | |
| 13 #include "nsIPipe.h" | |
| 14 #include "nsIInputStream.h" | |
| 15 #include "nsIOutputStream.h" | |
| 16 #include "nsEscape.h" | |
| 17 | |
| 18 using namespace mozilla; | |
| 19 | |
| 20 nsresult | |
| 21 nsDataChannel::OpenContentStream(bool async, nsIInputStream **result, | |
| 22 nsIChannel** channel) | |
| 23 { | |
| 24 NS_ENSURE_TRUE(URI(), NS_ERROR_NOT_INITIALIZED); | |
| 25 | |
| 26 nsresult rv; | |
| 27 | |
| 28 nsAutoCString spec; | |
| 29 rv = URI()->GetAsciiSpec(spec); | |
| 30 if (NS_FAILED(rv)) return rv; | |
| 31 | |
| 32 nsCString contentType, contentCharset, dataBuffer, hashRef; | |
| 33 bool lBase64; | |
| 34 rv = nsDataHandler::ParseURI(spec, contentType, contentCharset, | |
| 35 lBase64, dataBuffer, hashRef); | |
| 36 | |
| 37 NS_UnescapeURL(dataBuffer); | |
| 38 | |
| 39 if (lBase64) { | |
| 40 // Don't allow spaces in base64-encoded content. This is only | |
| 41 // relevant for escaped spaces; other spaces are stripped in | |
| 42 // NewURI. | |
| 43 dataBuffer.StripWhitespace(); | |
| 44 } | |
| 45 | |
| 46 nsCOMPtr<nsIInputStream> bufInStream; | |
| 47 nsCOMPtr<nsIOutputStream> bufOutStream; | |
| 48 | |
| 49 // create an unbounded pipe. | |
| 50 rv = NS_NewPipe(getter_AddRefs(bufInStream), | |
| 51 getter_AddRefs(bufOutStream), | |
| 52 nsIOService::gDefaultSegmentSize, | |
| 53 UINT32_MAX, | |
| 54 async, true); | |
| 55 if (NS_FAILED(rv)) | |
| 56 return rv; | |
| 57 | |
| 58 uint32_t contentLen; | |
| 59 if (lBase64) { | |
| 60 const uint32_t dataLen = dataBuffer.Length(); | |
| 61 int32_t resultLen = 0; | |
| 62 if (dataLen >= 1 && dataBuffer[dataLen-1] == '=') { | |
| 63 if (dataLen >= 2 && dataBuffer[dataLen-2] == '=') | |
| 64 resultLen = dataLen-2; | |
| 65 else | |
| 66 resultLen = dataLen-1; | |
| 67 } else { | |
| 68 resultLen = dataLen; | |
| 69 } | |
| 70 resultLen = ((resultLen * 3) / 4); | |
| 71 | |
| 72 nsAutoCString decodedData; | |
| 73 rv = Base64Decode(dataBuffer, decodedData); | |
| 74 NS_ENSURE_SUCCESS(rv, rv); | |
| 75 rv = bufOutStream->Write(decodedData.get(), resultLen, &contentLen); | |
| 76 } else { | |
| 77 rv = bufOutStream->Write(dataBuffer.get(), dataBuffer.Length(), &contentLen); | |
| 78 } | |
| 79 if (NS_FAILED(rv)) | |
| 80 return rv; | |
| 81 | |
| 82 SetContentType(contentType); | |
| 83 SetContentCharset(contentCharset); | |
| 84 mContentLength = contentLen; | |
| 85 | |
| 86 NS_ADDREF(*result = bufInStream); | |
| 87 | |
| 88 return NS_OK; | |
| 89 } |
