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<?php |
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/** |
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* @copyright Copyright (c) 2016 Lukas Reschke <[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 OCA\Richdocuments\WOPI; |
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class Parser { |
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/** @var DiscoveryManager */ |
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private $discoveryManager; |
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/** |
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* @param DiscoveryManager $discoveryManager |
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*/ |
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public function __construct(DiscoveryManager $discoveryManager) { |
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$this->discoveryManager = $discoveryManager; |
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} |
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/** |
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* @param $mimetype |
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* @return array |
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* @throws \Exception |
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*/ |
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public function getUrlSrc($mimetype) { |
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$discovery = $this->discoveryManager->get(); |
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$loadEntities = libxml_disable_entity_loader(true); |
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$discoveryParsed = simplexml_load_string($discovery); |
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libxml_disable_entity_loader($loadEntities); |
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$result = $discoveryParsed->xpath(sprintf('/wopi-discovery/net-zone/app[@name=\'%s\']/action', $mimetype)); |
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if ($result && count($result) > 0) { |
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return [ |
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'urlsrc' => (string)$result[0]['urlsrc'], |
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'action' => (string)$result[0]['name'], |
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]; |
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} |
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throw new \Exception('Could not find urlsrc in WOPI'); |
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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.