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class.SimpleLockManager.php
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class.SimpleLockManager.php
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<?php
/*
* Copyright 2007-2013 Charles du Jeu - Abstrium SAS <team (at) pyd.io>
* This file is part of Pydio.
*
* Pydio is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <http://pyd.io/>.
*/
use Pydio\Access\Core\AbstractAccessDriver;
use Pydio\Access\Core\Model\AJXP_Node;
use Pydio\Access\Core\Model\UserSelection;
use Pydio\Core\Exception\PydioException;
use Pydio\Core\Model\ContextInterface;
use Pydio\Core\Services\AuthService;
use Pydio\Core\Services\ConfService;
use Pydio\Core\Controller\XMLWriter;
use Pydio\Core\PluginFramework\PluginsService;
use Pydio\Meta\Core\AJXP_AbstractMetaSource;
use Pydio\Metastore\Core\MetaStoreProvider;
defined('AJXP_EXEC') or die('Access not allowed');
/**
* Locks a folder manually
* @package AjaXplorer_Plugins
* @subpackage Meta
*/
class SimpleLockManager extends AJXP_AbstractMetaSource
{
const METADATA_LOCK_NAMESPACE = "simple_lock";
/**
* @var MetaStoreProvider
*/
protected $metaStore;
/**
* @param ContextInterface $ctx
* @param AbstractAccessDriver $accessDriver
* @throws PydioException
*/
public function initMeta(ContextInterface $ctx, AbstractAccessDriver $accessDriver)
{
parent::initMeta($ctx, $accessDriver);
$store = PluginsService::getInstance($ctx)->getUniqueActivePluginForType("metastore");
if ($store === false) {
throw new PydioException("The 'meta.simple_lock' plugin requires at least one active 'metastore' plugin");
}
$this->metaStore = $store;
$this->metaStore->initMeta($ctx, $accessDriver);
}
/**
* @param \Psr\Http\Message\ServerRequestInterface $requestInterface
* @param \Psr\Http\Message\ResponseInterface $responseInterface
* @throws Exception
*/
public function applyChangeLock(\Psr\Http\Message\ServerRequestInterface $requestInterface, \Psr\Http\Message\ResponseInterface &$responseInterface)
{
$httpVars = $requestInterface->getParsedBody();
/** @var ContextInterface $ctx */
$ctx = $requestInterface->getAttribute("ctx");
if ($this->accessDriver instanceof \Pydio\Access\Driver\StreamProvider\FS\demoAccessDriver) {
throw new Exception("Write actions are disabled in demo mode!");
}
$repo = $this->accessDriver->repository;
$user = $ctx->getUser();
if (!AuthService::usersEnabled() && $user!=null && !$user->canWrite($repo->getId())) {
throw new Exception("You have no right on this action.");
}
$selection = new UserSelection($repo, $httpVars);
$unlock = (isSet($httpVars["unlock"])?true:false);
if ($unlock) {
$this->metaStore->removeMetadata($selection->getUniqueNode(), self::METADATA_LOCK_NAMESPACE, false, AJXP_METADATA_SCOPE_GLOBAL);
} else {
$this->metaStore->setMetadata(
$selection->getUniqueNode(),
SimpleLockManager::METADATA_LOCK_NAMESPACE,
array("lock_user" => $ctx->getUser()->getId()),
false,
AJXP_METADATA_SCOPE_GLOBAL
);
}
$x = new \Pydio\Core\Http\Response\SerializableResponseStream();
$diff = new \Pydio\Access\Core\Model\NodesDiff();
$diff->update($selection->getUniqueNode());
$x->addChunk($diff);
$responseInterface = $responseInterface->withBody($x);
}
/**
* @param AJXP_Node $node
*/
public function processLockMeta($node)
{
// Transform meta into overlay_icon
// $this->logDebug("SHOULD PROCESS METADATA FOR ", $node->getLabel());
$lock = $this->metaStore->retrieveMetadata(
$node,
SimpleLockManager::METADATA_LOCK_NAMESPACE,
false,
AJXP_METADATA_SCOPE_GLOBAL);
if(is_array($lock)
&& array_key_exists("lock_user", $lock)){
if ($lock["lock_user"] != $node->getContext()->getUser()->getId()) {
$displayName = ConfService::getUserPersonalParameter("USER_DISPLAY_NAME", $lock["lock_user"], "core.conf", $lock["lock_user"]);
$node->setLabel($node->getLabel() . " (locked by ".$displayName.")");
$node->mergeMetadata(array(
"sl_locked" => "true",
"overlay_icon" => "meta_simple_lock/ICON_SIZE/lock.png",
"overlay_class" => "icon-lock"
), true);
} else {
$node->setLabel($node->getLabel() . " (locked by you)");
$node->mergeMetadata(array(
"sl_locked" => "true",
"sl_mylock" => "true",
"overlay_icon" => "meta_simple_lock/ICON_SIZE/lock_my.png",
"overlay_class" => "icon-lock"
), true);
}
}
}
/**
* @param \Pydio\Access\Core\Model\AJXP_Node $node
*/
public function checkFileLock($node)
{
$this->logDebug("SHOULD CHECK LOCK METADATA FOR ", $node->getLabel());
$lock = $this->metaStore->retrieveMetadata(
$node,
SimpleLockManager::METADATA_LOCK_NAMESPACE,
false,
AJXP_METADATA_SCOPE_GLOBAL);
if(is_array($lock)
&& array_key_exists("lock_user", $lock)
&& $lock["lock_user"] != $node->getUserId()){
$mess = ConfService::getMessages();
throw new Exception($mess["meta.simple_lock.5"]);
}
}
}