nsresult
nsJARInputThunk::Init()
{
nsresult rv;
if (ENTRY_IS_DIRECTORY(mJarEntry)) {
// A directory stream also needs the Spec of the FullJarURI
// because is included in the stream data itself.
NS_ENSURE_STATE(!mJarDirSpec.IsEmpty());
rv = mJarReader->GetInputStreamWithSpec(mJarDirSpec,
mJarEntry,
getter_AddRefs(mJarStream));
}
else {
rv = mJarReader->GetInputStream(mJarEntry,
getter_AddRefs(mJarStream));
}
if (NS_FAILED(rv)) {
// convert to the proper result if the entry wasn't found
// so that error pages work
if (rv == NS_ERROR_FILE_TARGET_DOES_NOT_EXIST)
rv = NS_ERROR_FILE_NOT_FOUND;
return rv;
}
// ask the JarStream for the content length
uint64_t avail;
rv = mJarStream->Available((uint64_t *) &avail);
if (NS_FAILED(rv)) return rv;
mContentLength = avail < INT64_MAX ? (int64_t) avail : -1;
return NS_OK;
}
nsresult FileMediaResource::Open(nsIStreamListener** aStreamListener)
{
NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
if (aStreamListener) {
*aStreamListener = nullptr;
}
nsresult rv = NS_OK;
if (aStreamListener) {
// The channel is already open. We need a synchronous stream that
// implements nsISeekableStream, so we have to find the underlying
// file and reopen it
nsCOMPtr<nsIFileChannel> fc(do_QueryInterface(mChannel));
if (!fc)
return NS_ERROR_UNEXPECTED;
nsCOMPtr<nsIFile> file;
rv = fc->GetFile(getter_AddRefs(file));
NS_ENSURE_SUCCESS(rv, rv);
rv = NS_NewLocalFileInputStream(getter_AddRefs(mInput), file);
} else {
// Ensure that we never load a local file from some page on a
// web server.
nsHTMLMediaElement* element = mDecoder->GetMediaElement();
NS_ENSURE_TRUE(element, NS_ERROR_FAILURE);
rv = nsContentUtils::GetSecurityManager()->
CheckLoadURIWithPrincipal(element->NodePrincipal(),
mURI,
nsIScriptSecurityManager::STANDARD);
NS_ENSURE_SUCCESS(rv, rv);
rv = mChannel->Open(getter_AddRefs(mInput));
}
NS_ENSURE_SUCCESS(rv, rv);
mSeekable = do_QueryInterface(mInput);
if (!mSeekable) {
// XXX The file may just be a .url or similar
// shortcut that points to a Web site. We need to fix this by
// doing an async open and waiting until we locate the real resource,
// then using that (if it's still a file!).
return NS_ERROR_FAILURE;
}
// Get the file size and inform the decoder. Only files up to 4GB are
// supported here.
PRUint32 size;
rv = mInput->Available(&size);
if (NS_SUCCEEDED(rv)) {
mSize = size;
}
nsCOMPtr<nsIRunnable> event = new LoadedEvent(mDecoder);
NS_DispatchToMainThread(event, NS_DISPATCH_NORMAL);
return NS_OK;
}
NS_IMETHODIMP
nsJARInputThunk::Available(PRUint32 *avail)
{
nsresult rv = EnsureJarStream();
if (NS_FAILED(rv)) return rv;
return mJarStream->Available(avail);
}
NS_IMETHODIMP
nsInputStreamTee::Available(uint64_t* aAvail)
{
if (NS_WARN_IF(!mSource)) {
return NS_ERROR_NOT_INITIALIZED;
}
return mSource->Available(aAvail);
}
NS_IMETHODIMP
nsGopherContentStream::Available(PRUint32 *result)
{
if (mSocketInput)
return mSocketInput->Available(result);
return nsBaseContentStream::Available(result);
}
nsresult
nsJARInputThunk::EnsureJarStream()
{
if (mJarStream)
return NS_OK;
nsresult rv;
if (mJarCache)
rv = mJarCache->GetZip(mJarFile, getter_AddRefs(mJarReader));
else {
// create an uncached jar reader
mJarReader = do_CreateInstance(kZipReaderCID, &rv);
if (NS_FAILED(rv)) return rv;
rv = mJarReader->Open(mJarFile);
}
if (NS_FAILED(rv)) return rv;
if (ENTRY_IS_DIRECTORY(mJarEntry)) {
// A directory stream also needs the Spec of the FullJarURI
// because is included in the stream data itself.
NS_ENSURE_STATE(!mJarDirSpec.IsEmpty());
rv = mJarReader->GetInputStreamWithSpec(mJarDirSpec,
mJarEntry.get(),
getter_AddRefs(mJarStream));
}
else {
rv = mJarReader->GetInputStream(mJarEntry.get(),
getter_AddRefs(mJarStream));
}
if (NS_FAILED(rv)) {
// convert to the proper result if the entry wasn't found
// so that error pages work
if (rv == NS_ERROR_FILE_TARGET_DOES_NOT_EXIST)
rv = NS_ERROR_FILE_NOT_FOUND;
return rv;
}
// ask the JarStream for the content length
// XXX want a 64-bit value from nsIInputStream::Available()
PRUint32 contentLength;
rv = mJarStream->Available(&contentLength);
if (NS_FAILED(rv)) return rv;
mContentLength = contentLength;
return NS_OK;
}
void FileMediaResource::EnsureSizeInitialized()
{
mLock.AssertCurrentThreadOwns();
NS_ASSERTION(mInput, "Must have file input stream");
if (mSizeInitialized) {
return;
}
mSizeInitialized = true;
// Get the file size and inform the decoder.
uint64_t size;
nsresult res = mInput->Available(&size);
if (NS_SUCCEEDED(res) && size <= INT64_MAX) {
mSize = (int64_t)size;
mCallback->NotifyDataEnded(NS_OK);
}
}
void FileMediaResource::EnsureSizeInitialized()
{
mLock.AssertCurrentThreadOwns();
NS_ASSERTION(mInput, "Must have file input stream");
if (mSizeInitialized) {
return;
}
mSizeInitialized = true;
// Get the file size and inform the decoder.
uint64_t size;
nsresult res = mInput->Available(&size);
if (NS_SUCCEEDED(res) && size <= PR_INT64_MAX) {
mSize = (int64_t)size;
nsCOMPtr<nsIRunnable> event = new LoadedEvent(mDecoder);
NS_DispatchToMainThread(event, NS_DISPATCH_NORMAL);
}
}
// set up the internal streams
void nsMIMEInputStream::InitStreams()
{
NS_ASSERTION(!mStartedReading,
"Don't call initStreams twice without rewinding");
mStartedReading = true;
// We'll use the content-length stream to add the final \r\n
if (mAddContentLength) {
uint64_t cl = 0;
if (mData) {
mData->Available(&cl);
}
mContentLength.AssignLiteral("Content-Length: ");
mContentLength.AppendInt(cl);
mContentLength.AppendLiteral("\r\n\r\n");
}
else {
mContentLength.AssignLiteral("\r\n");
}
mCLStream->ShareData(mContentLength.get(), -1);
mHeaderStream->ShareData(mHeaders.get(), -1);
}
NS_IMETHODIMP
nsJARInputThunk::Available(uint64_t *avail)
{
return mJarStream->Available(avail);
}
#endif /* HAVE_PR_MEMMAP */
} else {
nsCOMPtr<nsIIOService> ioService = do_GetIOService(&rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIChannel> scriptChannel;
rv = ioService->NewChannelFromURI(aURI, getter_AddRefs(scriptChannel));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIInputStream> scriptStream;
rv = scriptChannel->Open(getter_AddRefs(scriptStream));
NS_ENSURE_SUCCESS(rv, rv);
PRUint32 len, bytesRead;
rv = scriptStream->Available(&len);
NS_ENSURE_SUCCESS(rv, rv);
if (!len)
return NS_ERROR_FAILURE;
/* malloc an internal buf the size of the file */
nsAutoArrayPtr<char> buf(new char[len + 1]);
if (!buf)
return NS_ERROR_OUT_OF_MEMORY;
/* read the file in one swoop */
rv = scriptStream->Read(buf, len, &bytesRead);
if (bytesRead != len)
return NS_BASE_STREAM_OSERROR;
buf[len] = '\0';
NS_IMETHODIMP nsMIMEInputStream::Available(uint64_t *_retval) { INITSTREAMS; return mStream->Available(_retval); }
NS_IMETHOD
Available(uint64_t* aLength) override
{
return mStream->Available(aLength);
}