public function generateFileToken($fileId, $version)
{
// Get the FS view of the current user.
$view = \OC\Files\Filesystem::getView();
// Get the virtual path (if the file is shared).
$path = $view->getPath($fileId);
if (!$view->is_file($path) || !$view->isUpdatable($path)) {
throw new \Exception('Invalid fileId.');
}
// Figure out the real owner, if not us.
$owner = $view->getOwner($path);
// Create a view into the owner's FS.
$view = new \OC\Files\View('/' . $owner . '/files');
// Find the real path.
$path = $view->getPath($fileId);
if (!$view->is_file($path)) {
throw new \Exception('Invalid fileId.');
}
$editor = \OC::$server->getUserSession()->getUser()->getUID();
$token = \OC::$server->getSecureRandom()->getMediumStrengthGenerator()->generate(32, \OCP\Security\ISecureRandom::CHAR_LOWER . \OCP\Security\ISecureRandom::CHAR_UPPER . \OCP\Security\ISecureRandom::CHAR_DIGITS);
\OC::$server->getLogger()->debug('Issuing token for {editor} file {fileId}, version {version} owned by {owner}, path {path}: {token}', ['owner' => $owner, 'editor' => $editor, 'fileId' => $fileId, 'version' => $version, 'path' => $path, 'token' => $token]);
$wopi = new \OCA\Richdocuments\Db\Wopi([$owner, $editor, $fileId, $version, $path, $token, time() + self::TOKEN_LIFETIME_SECONDS]);
if (!$wopi->insert()) {
throw new \Exception('Failed to add wopi token into database');
}
return $token;
}
/**
* get itemType
* @param string $path
* @return string type 'file', 'folder' or null of file/folder doesn't exists
*/
private static function getItemType($path)
{
$view = new \OC\Files\View('/' . \OCP\User::getUser() . '/files');
$itemType = null;
if ($view->is_dir($path)) {
$itemType = "folder";
} elseif ($view->is_file($path)) {
$itemType = "file";
}
return $itemType;
}
