/**
* Construct the storage implementation
*
* @param StorageConfig $storageConfig
* @return Storage
*/
private function constructStorage(StorageConfig $storageConfig)
{
$class = $storageConfig->getBackend()->getStorageClass();
$storage = new $class($storageConfig->getBackendOptions());
// auth mechanism should fire first
$storage = $storageConfig->getBackend()->wrapStorage($storage);
$storage = $storageConfig->getAuthMechanism()->wrapStorage($storage);
return $storage;
}
/**
* Convert a StorageConfig to the legacy mountPoints array format
* There's a lot of extra information in here, to satisfy all of the legacy functions
*
* @param StorageConfig $storage
* @param bool $isPersonal
* @return array
*/
private static function prepareMountPointEntry(StorageConfig $storage, $isPersonal)
{
$mountEntry = [];
$mountEntry['mountpoint'] = substr($storage->getMountPoint(), 1);
// remove leading slash
$mountEntry['class'] = $storage->getBackend()->getIdentifier();
$mountEntry['backend'] = $storage->getBackend()->getText();
$mountEntry['authMechanism'] = $storage->getAuthMechanism()->getIdentifier();
$mountEntry['personal'] = $isPersonal;
$mountEntry['options'] = self::decryptPasswords($storage->getBackendOptions());
$mountEntry['mountOptions'] = $storage->getMountOptions();
$mountEntry['priority'] = $storage->getPriority();
$mountEntry['applicable'] = ['groups' => $storage->getApplicableGroups(), 'users' => $storage->getApplicableUsers()];
// if mountpoint is applicable to all users the old API expects ['all']
if (empty($mountEntry['applicable']['groups']) && empty($mountEntry['applicable']['users'])) {
$mountEntry['applicable']['users'] = ['all'];
}
$mountEntry['id'] = $storage->getId();
return $mountEntry;
}
/**
* Returns the rusty storage id from oc_storages from the given storage config.
*
* @param StorageConfig $storageConfig
* @return string rusty storage id
*/
private function getRustyStorageIdFromConfig(StorageConfig $storageConfig)
{
// if any of the storage options contains $user, it is not possible
// to compute the possible storage id as we don't know which users
// mounted it already (and we certainly don't want to iterate over ALL users)
foreach ($storageConfig->getBackendOptions() as $value) {
if (strpos($value, '$user') !== false) {
throw new \Exception('Cannot compute storage id for deletion due to $user vars in the configuration');
}
}
// note: similar to ConfigAdapter->prepateStorageConfig()
$storageConfig->getAuthMechanism()->manipulateStorageConfig($storageConfig);
$storageConfig->getBackend()->manipulateStorageConfig($storageConfig);
$class = $storageConfig->getBackend()->getStorageClass();
$storageImpl = new $class($storageConfig->getBackendOptions());
return $storageImpl->getId();
}
/**
* Construct the storage implementation
*
* @param StorageConfig $storageConfig
* @return int
*/
private function getStorageId(StorageConfig $storageConfig)
{
try {
$class = $storageConfig->getBackend()->getStorageClass();
/** @var \OC\Files\Storage\Storage $storage */
$storage = new $class($storageConfig->getBackendOptions());
// auth mechanism should fire first
$storage = $storageConfig->getBackend()->wrapStorage($storage);
$storage = $storageConfig->getAuthMechanism()->wrapStorage($storage);
return $storage->getStorageCache()->getNumericId();
} catch (\Exception $e) {
return -1;
}
}
/**
* Check whether the given storage is available / valid.
*
* Note that this operation can be time consuming depending
* on whether the remote storage is available or not.
*
* @param StorageConfig $storage storage configuration
*/
protected function updateStorageStatus(StorageConfig &$storage)
{
// update status (can be time-consuming)
$storage->setStatus(\OC_Mount_Config::getBackendStatus($storage->getBackendClass(), $storage->getBackendOptions(), false));
}
/**
* Convert a StorageConfig to the legacy mountPoints array format
* There's a lot of extra information in here, to satisfy all of the legacy functions
*
* @param StorageConfig $storage
* @param bool $isPersonal
* @return array
*/
private static function prepareMountPointEntry(StorageConfig $storage, $isPersonal)
{
$mountEntry = [];
$mountEntry['mountpoint'] = substr($storage->getMountPoint(), 1);
// remove leading slash
$mountEntry['class'] = $storage->getBackend()->getIdentifier();
$mountEntry['backend'] = $storage->getBackend()->getText();
$mountEntry['authMechanism'] = $storage->getAuthMechanism()->getIdentifier();
$mountEntry['personal'] = $isPersonal;
$mountEntry['options'] = self::decryptPasswords($storage->getBackendOptions());
$mountEntry['mountOptions'] = $storage->getMountOptions();
$mountEntry['priority'] = $storage->getPriority();
$mountEntry['applicable'] = ['groups' => $storage->getApplicableGroups(), 'users' => $storage->getApplicableUsers()];
$mountEntry['id'] = $storage->getId();
// $mountEntry['storage_id'] = null; // we don't store this!
return $mountEntry;
}
/**
* Check if parameters are satisfied in a StorageConfig
*
* @param StorageConfig $storage
* @return bool
*/
public function validateStorageDefinition(StorageConfig $storage)
{
$options = $storage->getBackendOptions();
foreach ($this->getParameters() as $name => $parameter) {
$value = isset($options[$name]) ? $options[$name] : null;
if (!$parameter->validateValue($value)) {
return false;
}
}
return true;
}