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<?php
/**
* @copyright Copyright (c) 2017 Robin Appelman <robin@icewind.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace SearchDAV\DAV;
use Sabre\DAV\Exception\BadRequest;
use Sabre\DAV\Xml\Response\MultiStatus;
use Sabre\HTTP\RequestInterface;
use Sabre\HTTP\ResponseInterface;
use SearchDAV\Backend\ISearchBackend;
use SearchDAV\Backend\SearchPropertyDefinition;
use SearchDAV\XML\BasicSearch;
use SearchDAV\XML\BasicSearchSchema;
use SearchDAV\XML\PropDesc;
use SearchDAV\XML\QueryDiscoverResponse;
use SearchDAV\XML\Scope;
class DiscoverHandler {
/** @var ISearchBackend */
private $searchBackend;
/** @var PathHelper */
private $pathHelper;
/** @var QueryParser */
private $queryParser;
/**
* @param ISearchBackend $searchBackend
* @param PathHelper $pathHelper
* @param QueryParser $queryParser
*/
public function __construct(ISearchBackend $searchBackend, PathHelper $pathHelper, QueryParser $queryParser) {
$this->searchBackend = $searchBackend;
$this->pathHelper = $pathHelper;
$this->queryParser = $queryParser;
}
public function handelDiscoverRequest($xml, RequestInterface $request, ResponseInterface $response) {
if (!isset($xml['{DAV:}basicsearch'])) {
$response->setStatus(400);
$response->setBody('Unexpected xml content for query-schema-discovery, expected basicsearch');
return false;
}
/** @var BasicSearch $query */
$query = $xml['{DAV:}basicsearch'];
$scopes = $query->from;
$results = array_map(function (Scope $scope) {
$scope->path = $this->pathHelper->getPathFromUri($scope->href);
if ($this->searchBackend->isValidScope($scope->href, $scope->depth, $scope->path)) {
$searchProperties = $this->searchBackend->getPropertyDefinitionsForScope($scope->href, $scope->path);
$searchSchema = $this->getBasicSearchForProperties($searchProperties);
return new QueryDiscoverResponse($scope->href, $searchSchema, 200);
} else {
return new QueryDiscoverResponse($scope->href, null, 404); // TODO something other than 404? 403 maybe
}
}, $scopes);
$multiStatus = new MultiStatus($results);
$response->setStatus(207);
$response->setHeader('Content-Type', 'application/xml; charset="utf-8"');
$response->setBody($this->queryParser->write('{DAV:}multistatus', $multiStatus, $request->getUrl()));
return false;
}
private function hashDefinition(SearchPropertyDefinition $definition) {
return $definition->dataType
. (($definition->searchable) ? '1' : '0')
. (($definition->sortable) ? '1' : '0')
. (($definition->selectable) ? '1' : '0');
}
/**
* @param SearchPropertyDefinition[] $propertyDefinitions
* @return BasicSearchSchema
*/
private function getBasicSearchForProperties(array $propertyDefinitions) {
/** @var PropDesc[] $groups */
$groups = [];
foreach ($propertyDefinitions as $propertyDefinition) {
$key = $this->hashDefinition($propertyDefinition);
if (!isset($groups[$key])) {
$desc = new PropDesc();
$desc->dataType = $propertyDefinition->dataType;
$desc->sortable = $propertyDefinition->sortable;
$desc->selectable = $propertyDefinition->selectable;
$desc->searchable = $propertyDefinition->searchable;
$groups[$key] = $desc;
}
$groups[$key]->properties[] = $propertyDefinition->name;
}
return new BasicSearchSchema(array_values($groups));
}
}