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dont break when there is an invalid share

This commit is contained in:
Robin Appelman 2016-03-09 16:44:57 +01:00
parent 5a6b2956d8
commit f29440dbbc
2 changed files with 31 additions and 6 deletions
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13
apps/files_external/lib/failedcache.php
View File

@ -29,6 +29,17 @@ use OCP\Files\Cache\ICache;
* Storage placeholder to represent a missing precondition, storage unavailable
*/
class FailedCache implements ICache {
private $visible;
/**
* FailedCache constructor.
*
* @param bool $visible
*/
public function __construct($visible = true) {
$this->visible = $visible;
}
public function getNumericStorageId() {
return -1;
@ -41,7 +52,7 @@ class FailedCache implements ICache {
'size' => 0,
'mimetype' => 'httpd/unix-directory',
'mimepart' => 'httpd',
'permissions' => Constants::PERMISSION_READ,
'permissions' => $this->visible ? Constants::PERMISSION_READ : 0,
'mtime' => time()
]);
} else {

24
apps/files_sharing/lib/sharedstorage.php
View File

@ -31,6 +31,7 @@
namespace OC\Files\Storage;
use OC\Files\Filesystem;
use OCA\Files_External\Lib\FailedCache;
use OCA\Files_Sharing\ISharedStorage;
use OCP\Constants;
use OCP\Files\Cache\ICacheEntry;
@ -67,10 +68,16 @@ class Shared extends \OC\Files\Storage\Common implements ISharedStorage {
*/
private $sourceStorage;
/**
* @var \OCP\ILogger
*/
private $logger;
public function __construct($arguments) {
$this->share = $arguments['share'];
$this->ownerView = $arguments['ownerView'];
$this->user = $arguments['user'];
$this->logger = \OC::$server->getLogger();
}
private function init() {
@ -78,15 +85,19 @@ class Shared extends \OC\Files\Storage\Common implements ISharedStorage {
return;
}
$this->initialized = true;
Filesystem::initMountPoints($this->share['uid_owner']);
$sourcePath = $this->ownerView->getPath($this->share['file_source']);
list($this->sourceStorage, $sourceInternalPath) = $this->ownerView->resolvePath($sourcePath);
$this->sourceRootInfo = $this->sourceStorage->getCache()->get($sourceInternalPath);
try {
Filesystem::initMountPoints($this->share['uid_owner']);
$sourcePath = $this->ownerView->getPath($this->share['file_source']);
list($this->sourceStorage, $sourceInternalPath) = $this->ownerView->resolvePath($sourcePath);
$this->sourceRootInfo = $this->sourceStorage->getCache()->get($sourceInternalPath);
} catch (\Exception $e) {
$this->logger->logException($e);
}
}
private function isValid() {
$this->init();
return ($this->sourceRootInfo->getPermissions() & Constants::PERMISSION_SHARE) === Constants::PERMISSION_SHARE;
return $this->sourceRootInfo && ($this->sourceRootInfo->getPermissions() & Constants::PERMISSION_SHARE) === Constants::PERMISSION_SHARE;
}
/**
@ -568,6 +579,9 @@ class Shared extends \OC\Files\Storage\Common implements ISharedStorage {
public function getCache($path = '', $storage = null) {
$this->init();
if (is_null($this->sourceStorage)) {
return new FailedCache(false);
}
if (!$storage) {
$storage = $this;
}