netwerk/protocol/data/nsDataChannel.cpp@6474c204b198 (annotated)
netwerk/protocol/data/nsDataChannel.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | // data implementation |
| michael@0 | 7 | |
| michael@0 | 8 | #include "nsDataChannel.h" |
| michael@0 | 9 | |
| michael@0 | 10 | #include "mozilla/Base64.h" |
| michael@0 | 11 | #include "nsIOService.h" |
| michael@0 | 12 | #include "nsDataHandler.h" |
| michael@0 | 13 | #include "nsIPipe.h" |
| michael@0 | 14 | #include "nsIInputStream.h" |
| michael@0 | 15 | #include "nsIOutputStream.h" |
| michael@0 | 16 | #include "nsEscape.h" |
| michael@0 | 17 | |
| michael@0 | 18 | using namespace mozilla; |
| michael@0 | 19 | |
| michael@0 | 20 | nsresult |
| michael@0 | 21 | nsDataChannel::OpenContentStream(bool async, nsIInputStream **result, |
| michael@0 | 22 | nsIChannel** channel) |
| michael@0 | 23 | { |
| michael@0 | 24 | NS_ENSURE_TRUE(URI(), NS_ERROR_NOT_INITIALIZED); |
| michael@0 | 25 | |
| michael@0 | 26 | nsresult rv; |
| michael@0 | 27 | |
| michael@0 | 28 | nsAutoCString spec; |
| michael@0 | 29 | rv = URI()->GetAsciiSpec(spec); |
| michael@0 | 30 | if (NS_FAILED(rv)) return rv; |
| michael@0 | 31 | |
| michael@0 | 32 | nsCString contentType, contentCharset, dataBuffer, hashRef; |
| michael@0 | 33 | bool lBase64; |
| michael@0 | 34 | rv = nsDataHandler::ParseURI(spec, contentType, contentCharset, |
| michael@0 | 35 | lBase64, dataBuffer, hashRef); |
| michael@0 | 36 | |
| michael@0 | 37 | NS_UnescapeURL(dataBuffer); |
| michael@0 | 38 | |
| michael@0 | 39 | if (lBase64) { |
| michael@0 | 40 | // Don't allow spaces in base64-encoded content. This is only |
| michael@0 | 41 | // relevant for escaped spaces; other spaces are stripped in |
| michael@0 | 42 | // NewURI. |
| michael@0 | 43 | dataBuffer.StripWhitespace(); |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | nsCOMPtr<nsIInputStream> bufInStream; |
| michael@0 | 47 | nsCOMPtr<nsIOutputStream> bufOutStream; |
| michael@0 | 48 | |
| michael@0 | 49 | // create an unbounded pipe. |
| michael@0 | 50 | rv = NS_NewPipe(getter_AddRefs(bufInStream), |
| michael@0 | 51 | getter_AddRefs(bufOutStream), |
| michael@0 | 52 | nsIOService::gDefaultSegmentSize, |
| michael@0 | 53 | UINT32_MAX, |
| michael@0 | 54 | async, true); |
| michael@0 | 55 | if (NS_FAILED(rv)) |
| michael@0 | 56 | return rv; |
| michael@0 | 57 | |
| michael@0 | 58 | uint32_t contentLen; |
| michael@0 | 59 | if (lBase64) { |
| michael@0 | 60 | const uint32_t dataLen = dataBuffer.Length(); |
| michael@0 | 61 | int32_t resultLen = 0; |
| michael@0 | 62 | if (dataLen >= 1 && dataBuffer[dataLen-1] == '=') { |
| michael@0 | 63 | if (dataLen >= 2 && dataBuffer[dataLen-2] == '=') |
| michael@0 | 64 | resultLen = dataLen-2; |
| michael@0 | 65 | else |
| michael@0 | 66 | resultLen = dataLen-1; |
| michael@0 | 67 | } else { |
| michael@0 | 68 | resultLen = dataLen; |
| michael@0 | 69 | } |
| michael@0 | 70 | resultLen = ((resultLen * 3) / 4); |
| michael@0 | 71 | |
| michael@0 | 72 | nsAutoCString decodedData; |
| michael@0 | 73 | rv = Base64Decode(dataBuffer, decodedData); |
| michael@0 | 74 | NS_ENSURE_SUCCESS(rv, rv); |
| michael@0 | 75 | rv = bufOutStream->Write(decodedData.get(), resultLen, &contentLen); |
| michael@0 | 76 | } else { |
| michael@0 | 77 | rv = bufOutStream->Write(dataBuffer.get(), dataBuffer.Length(), &contentLen); |
| michael@0 | 78 | } |
| michael@0 | 79 | if (NS_FAILED(rv)) |
| michael@0 | 80 | return rv; |
| michael@0 | 81 | |
| michael@0 | 82 | SetContentType(contentType); |
| michael@0 | 83 | SetContentCharset(contentCharset); |
| michael@0 | 84 | mContentLength = contentLen; |
| michael@0 | 85 | |
| michael@0 | 86 | NS_ADDREF(*result = bufInStream); |
| michael@0 | 87 | |
| michael@0 | 88 | return NS_OK; |
| michael@0 | 89 | } |
