public function method_PUT($stream)
{
// Assert the privileges of the current user
if (DAV::getPath() === $this->path) {
$this->assert(DAVACL::PRIV_WRITE_CONTENT);
}
// Try to open the (local) file for writing
if (!($resource = fopen($this->localPath, 'w'))) {
throw new DAV_Status(DAV::HTTP_INTERNAL_SERVER_ERROR);
}
// Try to write to the file.
try {
$size = 0;
// Do we know how big this file will be?
if (($cl = (int) @$_SERVER['CONTENT_LENGTH']) || ($cl = (int) @$_SERVER['HTTP_X_EXPECTED_ENTITY_LENGTH'])) {
# The client has indicated the length of the request entity body:
set_time_limit(120);
$time = time();
// Loop until we reach the end of the request body (or when we have read the indicated length)
while ($cl && !feof($stream)) {
// Make sure the script doesn't timeout
if (time() - $time > 60) {
set_time_limit(120);
$time = time();
}
// Determine the size of the chunk we will read
$chunk_size = $cl;
if ($chunk_size > DAV::$CHUNK_SIZE) {
$chunk_size = DAV::$CHUNK_SIZE;
}
// Read a chunk from the request body and write it to the (local) file
$buffer = fread($stream, $chunk_size);
$chunk_size = strlen($buffer);
if ($chunk_size !== fwrite($resource, $buffer)) {
throw new DAV_Status(DAV::HTTP_INSUFFICIENT_STORAGE);
}
$size += $chunk_size;
// $cl contains the number of bytes to read: the HTTP 'Content-Length'
// header minus the number of bytes we have already read
$cl -= $chunk_size;
}
// If $cl is still bigger than 0, that means we've met the end of the body
// before reading the number of bytes indicated by the HTTP header
if ($cl) {
throw new DAV_Status(DAV::HTTP_BAD_REQUEST, 'Request entity too small');
}
} else {
# The client didn't give us any clue about the request body entity size.
# Let's make the best of it...
set_time_limit(120);
$time = time();
// We break out of this loop, from within it
while (true) {
// Make sure the script doesn't timeout
if (time() - $time > 60) {
set_time_limit(120);
$time = time();
}
// Read a chunk from the request body ...
$buffer = fread($stream, DAV::$CHUNK_SIZE);
if ($buffer === false || $buffer === '') {
// If the buffer is empty, we apparantly reached the end of the file
break;
}
// ... and write it to the (local) file
$bufferSize = strlen($buffer);
if ($bufferSize !== fwrite($resource, $buffer)) {
throw new DAV_Status(DAV::HTTP_INSUFFICIENT_STORAGE);
}
$size += $bufferSize;
}
}
} catch (DAV_Status $e) {
// If at some point this fails, we will close the file properly before
// rethrowing the (DAV_Status) exception.
fclose($resource);
unlink($this->localPath);
throw $e;
}
// The file is successfully saved, close it and store some metadata
fclose($resource);
$contenttype = $this->user_prop_getcontenttype();
if (!$contenttype) {
// If we can't determine or set the content type, just ignore this problem
try {
$this->set_getcontenttype(BeeHub::determineContentType($this->path));
} catch (DAV_Status $e) {
}
}
$this->user_set(DAV::PROP_GETCONTENTLENGTH, $size);
$this->user_set(DAV::PROP_GETETAG, BeeHub::ETag());
$this->storeProperties();
// Reread the file system data
$this->stat = stat($this->localPath);
}