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<?php |
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/** |
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* @copyright Copyright (c) 2017 Robin Appelman <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace SearchDAV\DAV; |
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use Sabre\DAV\Exception\BadRequest; |
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use Sabre\DAV\PropFind; |
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use Sabre\DAV\Server; |
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use Sabre\HTTP\ResponseInterface; |
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use SearchDAV\Backend\ISearchBackend; |
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use SearchDAV\Backend\SearchResult; |
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use SearchDAV\XML\BasicSearch; |
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class SearchHandler { |
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/** @var ISearchBackend */ |
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private $searchBackend; |
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/** @var PathHelper */ |
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private $pathHelper; |
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/** @var Server */ |
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private $server; |
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/** |
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* @param ISearchBackend $searchBackend |
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* @param PathHelper $pathHelper |
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* @param Server $server |
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*/ |
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public function __construct(ISearchBackend $searchBackend, PathHelper $pathHelper, Server $server) { |
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$this->searchBackend = $searchBackend; |
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$this->pathHelper = $pathHelper; |
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$this->server = $server; |
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} |
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public function handleSearchRequest($xml, ResponseInterface $response) { |
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if (!$xml['{DAV:}basicsearch']) { |
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throw new BadRequest('Unexpected xml content for searchrequest, expected basicsearch'); |
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} |
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/** @var BasicSearch $query */ |
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$query = $xml['{DAV:}basicsearch']; |
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if (!$query->where) { |
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$response->setStatus(400); |
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$response->setBody('Parse error: Missing {DAV:}where from {DAV:}basicsearch'); |
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return false; |
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} |
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if (!$query->select) { |
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$response->setStatus(400); |
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$response->setBody('Parse error: Missing {DAV:}select from {DAV:}basicsearch'); |
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return false; |
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} |
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$response->setStatus(207); |
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$response->setHeader('Content-Type', 'application/xml; charset="utf-8"'); |
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foreach ($query->from as $scope) { |
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$scope->path = $this->pathHelper->getPathFromUri($scope->href); |
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} |
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$results = $this->searchBackend->search($query); |
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$data = $this->server->generateMultiStatus(iterator_to_array($this->getPropertiesIteratorResults($results, $query->select)), false); |
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$response->setBody($data); |
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return false; |
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} |
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/** |
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* Returns a list of properties for a given path |
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* |
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* The path that should be supplied should have the baseUrl stripped out |
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* The list of properties should be supplied in Clark notation. If the list is empty |
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* 'allprops' is assumed. |
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* |
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* If a depth of 1 is requested child elements will also be returned. |
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* |
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* @param SearchResult[] $results |
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* @param array $propertyNames |
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* @param int $depth |
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* @return \Iterator |
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*/ |
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private function getPropertiesIteratorResults($results, $propertyNames = [], $depth = 0) { |
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$propFindType = $propertyNames ? PropFind::NORMAL : PropFind::ALLPROPS; |
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foreach ($results as $result) { |
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$node = $result->node; |
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$propFind = new PropFind($result->href, (array)$propertyNames, $depth, $propFindType); |
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$r = $this->server->getPropertiesByNode($propFind, $node); |
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if ($r) { |
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$result = $propFind->getResultForMultiStatus(); |
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$result['href'] = $propFind->getPath(); |
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// WebDAV recommends adding a slash to the path, if the path is |
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// a collection. |
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// Furthermore, iCal also demands this to be the case for |
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// principals. This is non-standard, but we support it. |
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$resourceType = $this->server->getResourceTypeForNode($node); |
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if (in_array('{DAV:}collection', $resourceType) || in_array('{DAV:}principal', $resourceType)) { |
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$result['href'] .= '/'; |
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} |
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yield $result; |
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} |
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} |
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} |
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} |
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This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)
or! empty(...)
instead.