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Move shared mount moving from the storage to the mount

This commit is contained in:
Robin Appelman 2014-05-22 01:41:27 +02:00
parent cabe2873c4
commit 14ce44acc8
2 changed files with 157 additions and 122 deletions
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113
apps/files_sharing/lib/sharedmount.php Normal file
View File

@ -0,0 +1,113 @@
<?php
/**
* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OCA\Files_Sharing;
use OC\Files\Filesystem;
use OC\Files\Mount\Mount;
use OC\Files\Mount\MoveableMount;
use OC\Files\Storage\Shared;
/**
* Person mount points can be moved by the user
*/
class SharedMount extends Mount implements MoveableMount {
/**
* @var \OC\Files\Storage\Shared $storage
*/
protected $storage = null;
/**
* Format a path to be relative to the /user/files/ directory
*
* @param string $path the absolute path
* @return string e.g. turns '/admin/files/test.txt' into '/test.txt'
*/
private function stripUserFilesPath($path) {
$trimmed = ltrim($path, '/');
$split = explode('/', $trimmed);
// it is not a file relative to data/user/files
if (count($split) < 3 || $split[1] !== 'files') {
\OCP\Util::writeLog('file sharing',
'Can not strip userid and "files/" from path: ' . $path,
\OCP\Util::DEBUG);
return false;
}
// skip 'user' and 'files'
$sliced = array_slice($split, 2);
$relPath = implode('/', $sliced);
return '/' . $relPath;
}
/**
* Move the mount point to $target
*
* @param string $target the target mount point
* @return bool
*/
public function moveMount($target) {
// it shouldn't be possible to move a Shared storage into another one
list($targetStorage,) = Filesystem::resolvePath($target);
if ($targetStorage instanceof Shared) {
\OCP\Util::writeLog('file sharing',
'It is not allowed to move one mount point into another one',
\OCP\Util::DEBUG);
return false;
}
$relTargetPath = $this->stripUserFilesPath($target);
$share = $this->storage->getShare();
// if the user renames a mount point from a group share we need to create a new db entry
// for the unique name
if ($this->storage->getShareType() === \OCP\Share::SHARE_TYPE_GROUP && $this->storage->uniqueNameSet() === false) {
$query = \OC_DB::prepare('INSERT INTO `*PREFIX*share` (`item_type`, `item_source`, `item_target`,'
. ' `share_type`, `share_with`, `uid_owner`, `permissions`, `stime`, `file_source`,'
. ' `file_target`, `token`, `parent`) VALUES (?,?,?,?,?,?,?,?,?,?,?,?)');
$arguments = array($share['item_type'], $share['item_source'], $share['item_target'],
2, \OCP\User::getUser(), $share['uid_owner'], $share['permissions'], $share['stime'], $share['file_source'],
$relTargetPath, $share['token'], $share['id']);
} else {
// rename mount point
$query = \OC_DB::prepare(
'UPDATE `*PREFIX*share`
SET `file_target` = ?
WHERE `id` = ?'
);
$arguments = array($relTargetPath, $this->storage->getShareId());
}
$result = $query->execute($arguments);
if ($result) {
$this->setMountPoint($target);
$this->storage->setUniqueName();
$this->storage->setMountPoint($relTargetPath);
} else {
\OCP\Util::writeLog('file sharing',
'Could not rename mount point for shared folder "' . $this->getMountPoint() . '" to "' . $target . '"',
\OCP\Util::ERROR);
}
return $result;
}
/**
* Remove the mount points
*
* @return mixed
* @return bool
*/
public function removeMount() {
}
}

166
apps/files_sharing/lib/sharedstorage.php
View File

@ -22,6 +22,8 @@
*/ */
namespace OC\Files\Storage; namespace OC\Files\Storage;
use OC\Files\Filesystem;
use OCA\Files_Sharing\SharedMount;
/** /**
* Convert target path to source path and pass the function call to the correct storage provider * Convert target path to source path and pass the function call to the correct storage provider
@ -266,124 +268,12 @@ class Shared extends \OC\Files\Storage\Common {
return false; return false;
} }
/**
* Format a path to be relative to the /user/files/ directory
* @param string $path the absolute path
* @return string e.g. turns '/admin/files/test.txt' into '/test.txt'
*/
private static function stripUserFilesPath($path) {
$trimmed = ltrim($path, '/');
$split = explode('/', $trimmed);
// it is not a file relative to data/user/files
if (count($split) < 3 || $split[1] !== 'files') {
\OCP\Util::writeLog('file sharing',
'Can not strip userid and "files/" from path: ' . $path,
\OCP\Util::DEBUG);
return false;
}
// skip 'user' and 'files'
$sliced = array_slice($split, 2);
$relPath = implode('/', $sliced);
return '/' . $relPath;
}
/**
* rename a shared folder/file
* @param string $sourcePath
* @param string $targetPath
* @return bool
*/
private function renameMountPoint($sourcePath, $targetPath) {
// it shouldn't be possible to move a Shared storage into another one
list($targetStorage, ) = \OC\Files\Filesystem::resolvePath($targetPath);
if ($targetStorage->instanceOfStorage('\OC\Files\Storage\Shared')) {
\OCP\Util::writeLog('file sharing',
'It is not allowed to move one mount point into another one',
\OCP\Util::DEBUG);
return false;
}
$relTargetPath = $this->stripUserFilesPath($targetPath);
if ($relTargetPath === false) {
\OCP\Util::writeLog('file sharing', 'Wrong target path given: ' . $targetPath, \OCP\Util::ERROR);
return false;
}
$result = self::updateFileTarget($relTargetPath, $this->share);
if ($result) {
// update the mount manager with the new paths
$mountManager = \OC\Files\Filesystem::getMountManager();
$mount = $mountManager->find($sourcePath);
$mount->setMountPoint($targetPath . '/');
$mountManager->addMount($mount);
$mountManager->removeMount($sourcePath . '/');
$this->setUniqueName();
$this->setMountPoint($relTargetPath);
} else {
\OCP\Util::writeLog('file sharing',
'Could not rename mount point for shared folder "' . $sourcePath . '" to "' . $targetPath . '"',
\OCP\Util::ERROR);
}
return (bool)$result;
}
/**
* @update fileTarget in the database if the mount point changed
* @param string $newPath
* @param array $share reference to the share which should be modified
* @return type
*/
private static function updateFileTarget($newPath, &$share) {
// if the user renames a mount point from a group share we need to create a new db entry
// for the unique name
if ($share['share_type'] === \OCP\Share::SHARE_TYPE_GROUP &&
(isset($share['unique_name']) && $share['unique_name'])) {
$query = \OC_DB::prepare('INSERT INTO `*PREFIX*share` (`item_type`, `item_source`, `item_target`,'
.' `share_type`, `share_with`, `uid_owner`, `permissions`, `stime`, `file_source`,'
.' `file_target`, `token`, `parent`) VALUES (?,?,?,?,?,?,?,?,?,?,?,?)');
$arguments = array($share['item_type'], $share['item_source'], $share['item_target'],
2, \OCP\User::getUser(), $share['uid_owner'], $share['permissions'], $share['stime'], $share['file_source'],
$newPath, $share['token'], $share['id']);
} else {
// rename mount point
$query = \OC_DB::prepare(
'Update `*PREFIX*share`
SET `file_target` = ?
WHERE `id` = ?'
);
$arguments = array($newPath, $share['id']);
}
return $query->execute($arguments);
}
public function rename($path1, $path2) { public function rename($path1, $path2) {
$sourceMountPoint = \OC\Files\Filesystem::getMountPoint($path1);
$targetMountPoint = \OC\Files\Filesystem::getMountPoint($path2);
$relPath1 = \OCA\Files_Sharing\Helper::stripUserFilesPath($path1); $relPath1 = \OCA\Files_Sharing\Helper::stripUserFilesPath($path1);
$relPath2 = \OCA\Files_Sharing\Helper::stripUserFilesPath($path2); $relPath2 = \OCA\Files_Sharing\Helper::stripUserFilesPath($path2);
// if we renamed the mount point we need to adjust the file_target in the if ($this->isUpdatable('')) {
// database
if (\OC\Files\Filesystem::normalizePath($sourceMountPoint) === \OC\Files\Filesystem::normalizePath($path1)) {
return $this->renameMountPoint($path1, $path2);
}
if ( // Within the same mount point, we only need UPDATE permissions
($sourceMountPoint === $targetMountPoint && $this->isUpdatable($sourceMountPoint)) ||
// otherwise DELETE and CREATE permissions required
($this->isDeletable($path1) && $this->isCreatable(dirname($path2)))) {
$pathinfo = pathinfo($relPath1); $pathinfo = pathinfo($relPath1);
// for part files we need to ask for the owner and path from the parent directory because // for part files we need to ask for the owner and path from the parent directory because
@ -486,16 +376,22 @@ class Shared extends \OC\Files\Storage\Common {
public static function setup($options) { public static function setup($options) {
$shares = \OCP\Share::getItemsSharedWith('file'); $shares = \OCP\Share::getItemsSharedWith('file');
$manager = Filesystem::getMountManager();
$loader = Filesystem::getLoader();
if (!\OCP\User::isLoggedIn() || \OCP\User::getUser() != $options['user'] if (!\OCP\User::isLoggedIn() || \OCP\User::getUser() != $options['user']
|| $shares || $shares
) { ) {
foreach ($shares as $share) { foreach ($shares as $share) {
self::verifyMountPoint($share); self::verifyMountPoint($share);
\OC\Files\Filesystem::mount('\OC\Files\Storage\Shared', $mount = new SharedMount(
array( '\OC\Files\Storage\Shared',
'share' => $share, $options['user_dir'] . '/' . $share['file_target'],
), array(
$options['user_dir'] . '/' . $share['file_target']); 'share' => $share,
),
$loader
);
$manager->addMount($mount);
} }
} }
} }
@ -536,28 +432,54 @@ class Shared extends \OC\Files\Storage\Common {
return $this->share['file_target']; return $this->share['file_target'];
} }
private function setMountPoint($path) { public function setMountPoint($path) {
$this->share['file_target'] = $path; $this->share['file_target'] = $path;
} }
public function getShareType() {
return $this->share['share_type'];
}
/**
* does the group share already has a user specific unique name
* @return bool
*/
public function uniqueNameSet() {
return (isset($this->share['unique_name']) && $this->share['unique_name']);
}
/** /**
* the share now uses a unique name of this user * the share now uses a unique name of this user
* *
* @brief the share now uses a unique name of this user * @brief the share now uses a unique name of this user
*/ */
private function setUniqueName() { public function setUniqueName() {
$this->share['unique_name'] = true; $this->share['unique_name'] = true;
} }
/** /**
* @brief get the user who shared the file * get share ID
* * @return integer unique share ID
*/
public function getShareId() {
return $this->share['id'];
}
/**
* get the user who shared the file
* @return string * @return string
*/ */
public function getSharedFrom() { public function getSharedFrom() {
return $this->share['uid_owner']; return $this->share['uid_owner'];
} }
/**
* @return array
*/
public function getShare() {
return $this->share;
}
/** /**
* return share type, can be "file" or "folder" * return share type, can be "file" or "folder"
* @return string * @return string