summaryrefslogtreecommitdiffstats
path: root/netwerk/protocol/data/nsDataChannel.cpp
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /netwerk/protocol/data/nsDataChannel.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'netwerk/protocol/data/nsDataChannel.cpp')
-rw-r--r--netwerk/protocol/data/nsDataChannel.cpp91
1 files changed, 91 insertions, 0 deletions
diff --git a/netwerk/protocol/data/nsDataChannel.cpp b/netwerk/protocol/data/nsDataChannel.cpp
new file mode 100644
index 000000000..608a6c6e0
--- /dev/null
+++ b/netwerk/protocol/data/nsDataChannel.cpp
@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// data implementation
+
+#include "nsDataChannel.h"
+
+#include "mozilla/Base64.h"
+#include "nsIOService.h"
+#include "nsDataHandler.h"
+#include "nsIPipe.h"
+#include "nsIInputStream.h"
+#include "nsIOutputStream.h"
+#include "nsEscape.h"
+
+using namespace mozilla;
+
+nsresult
+nsDataChannel::OpenContentStream(bool async, nsIInputStream **result,
+ nsIChannel** channel)
+{
+ NS_ENSURE_TRUE(URI(), NS_ERROR_NOT_INITIALIZED);
+
+ nsresult rv;
+
+ nsAutoCString spec;
+ rv = URI()->GetAsciiSpec(spec);
+ if (NS_FAILED(rv)) return rv;
+
+ nsCString contentType, contentCharset, dataBuffer;
+ bool lBase64;
+ rv = nsDataHandler::ParseURI(spec, contentType, &contentCharset,
+ lBase64, &dataBuffer);
+ if (NS_FAILED(rv))
+ return rv;
+
+ NS_UnescapeURL(dataBuffer);
+
+ if (lBase64) {
+ // Don't allow spaces in base64-encoded content. This is only
+ // relevant for escaped spaces; other spaces are stripped in
+ // NewURI.
+ dataBuffer.StripWhitespace();
+ }
+
+ nsCOMPtr<nsIInputStream> bufInStream;
+ nsCOMPtr<nsIOutputStream> bufOutStream;
+
+ // create an unbounded pipe.
+ rv = NS_NewPipe(getter_AddRefs(bufInStream),
+ getter_AddRefs(bufOutStream),
+ nsIOService::gDefaultSegmentSize,
+ UINT32_MAX,
+ async, true);
+ if (NS_FAILED(rv))
+ return rv;
+
+ uint32_t contentLen;
+ if (lBase64) {
+ const uint32_t dataLen = dataBuffer.Length();
+ int32_t resultLen = 0;
+ if (dataLen >= 1 && dataBuffer[dataLen-1] == '=') {
+ if (dataLen >= 2 && dataBuffer[dataLen-2] == '=')
+ resultLen = dataLen-2;
+ else
+ resultLen = dataLen-1;
+ } else {
+ resultLen = dataLen;
+ }
+ resultLen = ((resultLen * 3) / 4);
+
+ nsAutoCString decodedData;
+ rv = Base64Decode(dataBuffer, decodedData);
+ NS_ENSURE_SUCCESS(rv, rv);
+ rv = bufOutStream->Write(decodedData.get(), resultLen, &contentLen);
+ } else {
+ rv = bufOutStream->Write(dataBuffer.get(), dataBuffer.Length(), &contentLen);
+ }
+ if (NS_FAILED(rv))
+ return rv;
+
+ SetContentType(contentType);
+ SetContentCharset(contentCharset);
+ mContentLength = contentLen;
+
+ bufInStream.forget(result);
+
+ return NS_OK;
+}