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<?php
namespace Zotlabs\Module;
/**
* @file Zotlabs/Module/Cloud.php
* @brief Initialize Hubzilla's cloud (SabreDAV).
*
* Module for accessing the DAV storage area.
*/
use Sabre\DAV as SDAV;
use \Zotlabs\Storage;
// composer autoloader for SabreDAV
require_once('vendor/autoload.php');
require_once('include/attach.php');
/**
* @brief Cloud Module.
*
*/
class Cloud extends \Zotlabs\Web\Controller {
/**
* @brief Fires up the SabreDAV server.
*
*/
function init() {
if (! is_dir('store'))
os_mkdir('store', STORAGE_DEFAULT_PERMISSIONS, false);
$which = null;
if (argc() > 1)
$which = argv(1);
if (argc() < 2 && intval(get_config('system','cloud_disable_siteroot'))) {
notice( t('Permission denied.') . EOL);
construct_page();
killme();
}
$profile = 0;
if ($which)
profile_load( $which, $profile);
$auth = new \Zotlabs\Storage\BasicAuth();
$ob_hash = get_observer_hash();
if ($ob_hash) {
if (local_channel()) {
$channel = \App::get_channel();
$auth->setCurrentUser($channel['channel_address']);
$auth->channel_id = $channel['channel_id'];
$auth->channel_hash = $channel['channel_hash'];
$auth->channel_account_id = $channel['channel_account_id'];
if($channel['channel_timezone'])
$auth->setTimezone($channel['channel_timezone']);
}
$auth->observer = $ob_hash;
}
// if we arrived at this path with any query parameters in the url, build a clean url without
// them and redirect.
if(! array_key_exists('cloud_sort',$_SESSION)) {
$_SESSION['cloud_sort'] = 'name';
}
$_SESSION['cloud_sort'] = (($_REQUEST['sort']) ? trim(notags($_REQUEST['sort'])) : $_SESSION['cloud_sort']);
$x = clean_query_string();
if($x !== \App::$query_string)
goaway(z_root() . '/' . $x);
$rootDirectory = new \Zotlabs\Storage\Directory('/', $auth);
// A SabreDAV server-object
$server = new SDAV\Server($rootDirectory);
// prevent overwriting changes each other with a lock backend
$lockBackend = new SDAV\Locks\Backend\File('store/[data]/locks');
$lockPlugin = new SDAV\Locks\Plugin($lockBackend);
$server->addPlugin($lockPlugin);
$is_readable = false;
// provide a directory view for the cloud in Hubzilla
$browser = new \Zotlabs\Storage\Browser($auth);
$auth->setBrowserPlugin($browser);
$server->addPlugin($browser);
// Experimental QuotaPlugin
// require_once('\Zotlabs\Storage/QuotaPlugin.php');
// $server->addPlugin(new \Zotlabs\Storage\\QuotaPlugin($auth));
// over-ride the default XML output on thrown exceptions
$server->on('exception', [ $this, 'DAVException' ]);
// All we need to do now, is to fire up the server
$server->exec();
if($browser->build_page)
construct_page();
killme();
}
function DAVException($err) {
if($err instanceof \Sabre\DAV\Exception\NotFound) {
notice( t('Not found') . EOL);
}
elseif($err instanceof \Sabre\DAV\Exception\Forbidden) {
notice( t('Permission denied') . EOL);
}
elseif($err instanceof \Sabre\DAV\Exception\NotImplemented) {
notice( t('Please refresh page') . EOL);
}
else {
notice( t('Unknown error') . EOL);
}
construct_page();
killme();
}
}
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