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delay calculating the shared cache root until it's used 

Signed-off-by: Robin Appelman <robin@icewind.nl>
This commit is contained in:
Robin Appelman 2017-12-04 15:16:39 +01:00
parent 6d8de960c9
commit 4144580167
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GPG Key ID: CBCA68FBAEBF98C9
2 changed files with 41 additions and 26 deletions
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44
apps/files_sharing/lib/Cache.php
View File

@ -63,23 +63,29 @@ class Cache extends CacheJail {
$this->sourceRootInfo = $sourceRootInfo;
$this->numericId = $sourceRootInfo->getStorageId();
$absoluteRoot = $this->sourceRootInfo->getPath();
// the sourceRootInfo path is the absolute path of the folder in the "real" storage
// in the case where a folder is shared from a Jail we need to ensure that the share Jail
// has it's root set relative to the source Jail
$currentStorage = $storage->getSourceStorage();
if ($currentStorage->instanceOfStorage(Jail::class)) {
/** @var Jail $currentStorage */
$absoluteRoot = $currentStorage->getJailedPath($absoluteRoot);
}
parent::__construct(
null,
$absoluteRoot
null
);
}
protected function getRoot() {
if (is_null($this->root)) {
$absoluteRoot = $this->sourceRootInfo->getPath();
// the sourceRootInfo path is the absolute path of the folder in the "real" storage
// in the case where a folder is shared from a Jail we need to ensure that the share Jail
// has it's root set relative to the source Jail
$currentStorage = $this->storage->getSourceStorage();
if ($currentStorage->instanceOfStorage(Jail::class)) {
/** @var Jail $currentStorage */
$absoluteRoot = $currentStorage->getJailedPath($absoluteRoot);
}
$this->root = $absoluteRoot;
}
return $this->root;
}
public function getCache() {
if (is_null($this->cache)) {
$sourceStorage = $this->storage->getSourceStorage();
@ -103,7 +109,7 @@ class Cache extends CacheJail {
public function get($file) {
if ($this->rootUnchanged && ($file === '' || $file === $this->sourceRootInfo->getId())) {
return $this->formatCacheEntry(clone $this->sourceRootInfo);
return $this->formatCacheEntry(clone $this->sourceRootInfo, '');
}
return parent::get($file);
}
@ -128,16 +134,20 @@ class Cache extends CacheJail {
return parent::moveFromCache($sourceCache, $sourcePath, $targetPath);
}
protected function formatCacheEntry($entry) {
$path = isset($entry['path']) ? $entry['path'] : '';
$entry = parent::formatCacheEntry($entry);
protected function formatCacheEntry($entry, $path = null) {
if (is_null($path)) {
$path = isset($entry['path']) ? $entry['path'] : '';
$entry['path'] = $this->getJailedPath($path);
} else {
$entry['path'] = $path;
}
$sharePermissions = $this->storage->getPermissions($path);
if (isset($entry['permissions'])) {
$entry['permissions'] &= $sharePermissions;
} else {
$entry['permissions'] = $sharePermissions;
}
$entry['uid_owner'] = $this->storage->getOwner($path);
$entry['uid_owner'] = $this->storage->getOwner('');
$entry['displayname_owner'] = $this->getOwnerDisplayName();
if ($path === '') {
$entry['is_share_mount_point'] = true;

23
lib/private/Files/Cache/Wrapper/CacheJail.php
View File

@ -26,6 +26,7 @@
*/
namespace OC\Files\Cache\Wrapper;
use OC\Files\Cache\Cache;
use OCP\Files\Cache\ICacheEntry;
use OCP\Files\Search\ISearchQuery;
@ -48,11 +49,15 @@ class CacheJail extends CacheWrapper {
$this->root = $root;
}
protected function getRoot() {
return $this->root;
}
protected function getSourcePath($path) {
if ($path === '') {
return $this->root;
return $this->getRoot();
} else {
return $this->root . '/' . ltrim($path, '/');
return $this->getRoot() . '/' . ltrim($path, '/');
}
}
@ -61,13 +66,13 @@ class CacheJail extends CacheWrapper {
* @return null|string the jailed path or null if the path is outside the jail
*/
protected function getJailedPath($path) {
if ($this->root === '') {
if ($this->getRoot() === '') {
return $path;
}
$rootLength = strlen($this->root) + 1;
if ($path === $this->root) {
$rootLength = strlen($this->getRoot()) + 1;
if ($path === $this->getRoot()) {
return '';
} else if (substr($path, 0, $rootLength) === $this->root . '/') {
} else if (substr($path, 0, $rootLength) === $this->getRoot() . '/') {
return substr($path, $rootLength);
} else {
return null;
@ -86,8 +91,8 @@ class CacheJail extends CacheWrapper {
}
protected function filterCacheEntry($entry) {
$rootLength = strlen($this->root) + 1;
return ($entry['path'] === $this->root) or (substr($entry['path'], 0, $rootLength) === $this->root . '/');
$rootLength = strlen($this->getRoot()) + 1;
return ($entry['path'] === $this->getRoot()) or (substr($entry['path'], 0, $rootLength) === $this->getRoot() . '/');
}
/**
@ -189,7 +194,7 @@ class CacheJail extends CacheWrapper {
* remove all entries for files that are stored on the storage from the cache
*/
public function clear() {
$this->getCache()->remove($this->root);
$this->getCache()->remove($this->getRoot());
}
/**