/**
* @param string $user
* @return int
*/
public function getSharePermissions($user)
{
// check of we access a federated share
if ($user !== null) {
try {
$share = $this->shareManager->getShareByToken($user);
return $share->getPermissions();
} catch (ShareNotFound $e) {
// ignore
}
}
$storage = $this->info->getStorage();
$path = $this->info->getInternalPath();
if ($storage->instanceOfStorage('\\OC\\Files\\Storage\\Shared')) {
/** @var \OC\Files\Storage\Shared $storage */
$permissions = (int) $storage->getShare()->getPermissions();
} else {
$permissions = $storage->getPermissions($path);
}
/*
* We can always share non moveable mount points with DELETE and UPDATE
* Eventually we need to do this properly
*/
$mountpoint = $this->info->getMountPoint();
if (!$mountpoint instanceof MoveableMount) {
$mountpointpath = $mountpoint->getMountPoint();
if (substr($mountpointpath, -1) === '/') {
$mountpointpath = substr($mountpointpath, 0, -1);
}
if ($mountpointpath === $this->info->getPath()) {
$permissions |= \OCP\Constants::PERMISSION_DELETE | \OCP\Constants::PERMISSION_UPDATE;
}
}
/*
* Files can't have create or delete permissions
*/
if ($this->info->getType() === \OCP\Files\FileInfo::TYPE_FILE) {
$permissions &= ~(\OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_DELETE);
}
return $permissions;
}
/**
* Check if a preview can be generated for a file
*
* @param \OCP\Files\FileInfo $file
* @return bool
*/
public function isAvailable(\OCP\Files\FileInfo $file)
{
if (!$this->config->getSystemValue('enable_previews', true)) {
return false;
}
$this->registerCoreProviders();
if (!$this->isMimeSupported($file->getMimetype())) {
return false;
}
$mount = $file->getMountPoint();
if ($mount and !$mount->getOption('previews', true)) {
return false;
}
foreach ($this->providers as $supportedMimeType => $providers) {
if (preg_match($supportedMimeType, $file->getMimetype())) {
foreach ($providers as $closure) {
$provider = $closure();
if (!$provider instanceof IProvider) {
continue;
}
/** @var $provider IProvider */
if ($provider->isAvailable($file)) {
return true;
}
}
}
}
return false;
}
