/**
* Package constructor
* @param UploadSession $uploadSession
* @param int $index
* @param array $post
* @param array $files
*/
function __construct($uploadSession, $index, $saveIntoCache = false)
{
if (empty($uploadSession)) {
throw new Exception('Upload session can not be null');
}
$post = $uploadSession->getRequestFields();
$files = $uploadSession->getRequestFiles();
$this->_uploadSession = $uploadSession;
$this->_packageIndex = $index;
$uploadSessionId = $uploadSession->getUploadSessionId();
if ($index < $post[PostFields::packageIndex]) {
// This is previous package we save for AllPackages event
$this->_completed = true;
$this->_cached = true;
} else {
if ($index == $post[PostFields::packageIndex]) {
// this package is current package
$this->_completed = @(!empty($post[PostFields::packageComplete]));
$cache = $this->_uploadSession->getUploadCache();
$this->_cached = $cache->isPackageCached($uploadSessionId, $this->_packageIndex);
// If package completed, but already cached then it is last chunk of the package
// and we also need to save it.
if (!$this->_completed || $this->_cached || $saveIntoCache) {
$cache->saveRequestData($uploadSessionId, $this->_packageIndex, $post, $files);
$this->_cached = true;
} else {
$this->_packageFields = $post;
$this->_packageFiles = $files;
}
} else {
throw new Exception('Incorrect $index value or POST fields.');
}
}
}
/**
* Returns upload status.
*
* This is implementation for session.upload_progress in PHP 5.4+.
*
* @param string $id upload id
*
* @return array|null
*/
public static function getUploadStatus($id)
{
global $SESSION_KEY;
if (trim($id) == '') {
return null;
}
if (!array_key_exists($id, $_SESSION[$SESSION_KEY])) {
$_SESSION[$SESSION_KEY][$id] = array('id' => $id, 'finished' => false, 'percent' => 0, 'total' => 0, 'complete' => 0, 'plugin' => UploadSession::getIdKey());
}
$ret = $_SESSION[$SESSION_KEY][$id];
if (!PMA_import_sessionCheck() || $ret['finished']) {
return $ret;
}
$status = false;
$sessionkey = ini_get('session.upload_progress.prefix') . $id;
if (isset($_SESSION[$sessionkey])) {
$status = $_SESSION[$sessionkey];
}
if ($status) {
$ret['finished'] = $status['done'];
$ret['total'] = $status['content_length'];
$ret['complete'] = $status['bytes_processed'];
if ($ret['total'] > 0) {
$ret['percent'] = $ret['complete'] / $ret['total'] * 100;
}
} else {
$ret = array('id' => $id, 'finished' => true, 'percent' => 100, 'total' => $ret['total'], 'complete' => $ret['total'], 'plugin' => UploadSession::getIdKey());
}
$_SESSION[$SESSION_KEY][$id] = $ret;
return $ret;
}
public function processRequest()
{
// Ignore other requests except POST.
if ($_SERVER['REQUEST_METHOD'] !== 'POST' || empty($_POST[PostFields::packageGuid])) {
return;
}
if (UploadHandler::$_processed) {
return;
}
UploadHandler::$_processed = true;
if (array_key_exists('HTTP_X_PREPROCESS_REQUIRED', $_SERVER) && $_SERVER['HTTP_X_PREPROCESS_REQUIRED'] == 'true') {
$files = $this->getRequestFiles($_POST);
} else {
$files =& $_FILES;
}
$uploadCache = new UploadCache($this->_cacheRoot);
$uploadSession = new UploadSession($uploadCache, $_POST, $files, $_SERVER);
if (!empty($this->_allFilesUploadedCallback)) {
$uploadSession->setAllFilesUploadedCallback($this->_allFilesUploadedCallback);
}
if (!empty($this->_fileUploadedCallback)) {
$uploadSession->setFileUploadedCallback($this->_fileUploadedCallback);
}
$uploadSession->processRequest();
$this->removeExpiredSessions($uploadCache);
// Flash requires non-empty response
if (!headers_sent() && array_key_exists('HTTP_USER_AGENT', $_SERVER) && $_SERVER['HTTP_USER_AGENT'] === 'Shockwave Flash') {
echo '0';
}
}
