public static function newChunkedFile(PhabricatorFileStorageEngine $engine, $length, array $params)
{
$file = self::initializeNewFile();
$file->setByteSize($length);
// TODO: We might be able to test the first chunk in order to figure
// this out more reliably, since MIME detection usually examines headers.
// However, enormous files are probably always either actually raw data
// or reasonable to treat like raw data.
$file->setMimeType('application/octet-stream');
$chunked_hash = idx($params, 'chunkedHash');
if ($chunked_hash) {
$file->setContentHash($chunked_hash);
} else {
// See PhabricatorChunkedFileStorageEngine::getChunkedHash() for some
// discussion of this.
$seed = Filesystem::readRandomBytes(64);
$hash = PhabricatorChunkedFileStorageEngine::getChunkedHashForInput($seed);
$file->setContentHash($hash);
}
$file->setStorageEngine($engine->getEngineIdentifier());
$file->setStorageHandle(PhabricatorFileChunk::newChunkHandle());
$file->setStorageFormat(self::STORAGE_FORMAT_RAW);
$file->setIsPartial(1);
$file->readPropertiesFromParameters($params);
return $file;
}
public static function newChunkedFile(PhabricatorFileStorageEngine $engine, $length, array $params)
{
$file = self::initializeNewFile();
$file->setByteSize($length);
// NOTE: Once we receive the first chunk, we'll detect its MIME type and
// update the parent file. This matters for large media files like video.
$file->setMimeType('application/octet-stream');
$chunked_hash = idx($params, 'chunkedHash');
if ($chunked_hash) {
$file->setContentHash($chunked_hash);
} else {
// See PhabricatorChunkedFileStorageEngine::getChunkedHash() for some
// discussion of this.
$seed = Filesystem::readRandomBytes(64);
$hash = PhabricatorChunkedFileStorageEngine::getChunkedHashForInput($seed);
$file->setContentHash($hash);
}
$file->setStorageEngine($engine->getEngineIdentifier());
$file->setStorageHandle(PhabricatorFileChunk::newChunkHandle());
// Chunked files are always stored raw because they do not actually store
// data. The chunks do, and can be individually formatted.
$file->setStorageFormat(PhabricatorFileRawStorageFormat::FORMATKEY);
$file->setIsPartial(1);
$file->readPropertiesFromParameters($params);
return $file;
}