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Use the etag to check for updates in webdav storages where available

This commit is contained in:
Robin Appelman 2014-06-27 17:10:46 +02:00
parent 3b2fd5e4e6
commit 5b8c2ac750
1 changed files with 19 additions and 0 deletions
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19
lib/private/files/storage/dav.php
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@ -449,5 +449,24 @@ class DAV extends \OC\Files\Storage\Common {
return 0;
}
}
/**
* check if a file or folder has been updated since $time
*
* @param string $path
* @param int $time
* @return bool
*/
public function hasUpdated($path, $time) {
$this->init();
$response = $this->client->propfind($this->encodePath($path), array('{DAV:}getlastmodified', '{DAV:}getetag'));
if (isset($response['{DAV:}getetag'])) {
$cachedData = $this->getCache()->get($path);
return $cachedData['etag'] !== $response['{DAV:}getetag'];
} else {
$remoteMtime = strtotime($response['{DAV:}getlastmodified']);
return $remoteMtime > $time;
}
}
}