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<?php
namespace Zotlabs\Module;
/**
* @file mod/dav.php
* @brief Initialize Hubzilla's cloud (SabreDAV).
*
* Module for accessing the DAV storage area from a DAV client.
*/
use \Sabre\DAV as SDAV;
use \Zotlabs\Storage;
// composer autoloader for SabreDAV
require_once('vendor/autoload.php');
require_once('include/attach.php');
/**
* @brief Fires up the SabreDAV server.
*
* @param App &$a
*/
class Dav extends \Zotlabs\Web\Controller {
function init() {
// workaround for HTTP-auth in CGI mode
if (x($_SERVER, 'REDIRECT_REMOTE_USER')) {
$userpass = base64_decode(substr($_SERVER["REDIRECT_REMOTE_USER"], 6)) ;
if(strlen($userpass)) {
list($name, $password) = explode(':', $userpass);
$_SERVER['PHP_AUTH_USER'] = $name;
$_SERVER['PHP_AUTH_PW'] = $password;
}
}
if (x($_SERVER, 'HTTP_AUTHORIZATION')) {
$userpass = base64_decode(substr($_SERVER["HTTP_AUTHORIZATION"], 6)) ;
if(strlen($userpass)) {
list($name, $password) = explode(':', $userpass);
$_SERVER['PHP_AUTH_USER'] = $name;
$_SERVER['PHP_AUTH_PW'] = $password;
}
}
if (! is_dir('store'))
os_mkdir('store', STORAGE_DEFAULT_PERMISSIONS, false);
$which = null;
if (argc() > 1)
$which = argv(1);
$profile = 0;
\App::$page['htmlhead'] .= '<link rel="alternate" type="application/atom+xml" href="' . z_root() . '/feed/' . $which . '" />' . "\r\n";
if ($which)
profile_load( $which, $profile);
$auth = new \Zotlabs\Storage\BasicAuth();
$auth->setRealm(ucfirst(\Zotlabs\Lib\System::get_platform_name()) . 'WebDAV');
// $authBackend = new \Sabre\DAV\Auth\Backend\BasicCallBack(function($userName,$password) {
// if(account_verify_password($userName,$password))
// return true;
// return false;
// });
// $ob_hash = get_observer_hash();
// if ($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 = $ob_hash;
// }
// if ($_GET['davguest'])
// $_SESSION['davguest'] = true;
// $_SERVER['QUERY_STRING'] = str_replace(array('?f=', '&f='), array('', ''), $_SERVER['QUERY_STRING']);
// $_SERVER['QUERY_STRING'] = strip_zids($_SERVER['QUERY_STRING']);
// $_SERVER['QUERY_STRING'] = preg_replace('/[\?&]davguest=(.*?)([\?&]|$)/ism', '', $_SERVER['QUERY_STRING']);
//
// $_SERVER['REQUEST_URI'] = str_replace(array('?f=', '&f='), array('', ''), $_SERVER['REQUEST_URI']);
// $_SERVER['REQUEST_URI'] = strip_zids($_SERVER['REQUEST_URI']);
// $_SERVER['REQUEST_URI'] = preg_replace('/[\?&]davguest=(.*?)([\?&]|$)/ism', '', $_SERVER['REQUEST_URI']);
$rootDirectory = new \Zotlabs\Storage\Directory('/', $auth);
// A SabreDAV server-object
$server = new SDAV\Server($rootDirectory);
$authPlugin = new \Sabre\DAV\Auth\Plugin($auth);
$server->addPlugin($authPlugin);
// 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);
// The next section of code allows us to bypass prompting for http-auth if a
// FILE is being accessed anonymously and permissions allow this. This way
// one can create hotlinks to public media files in their cloud and anonymous
// viewers won't get asked to login.
// If a DIRECTORY is accessed or there are permission issues accessing the
// file and we aren't previously authenticated via zot, prompt for HTTP-auth.
// This will be the default case for mounting a DAV directory.
// In order to avoid prompting for passwords for viewing a DIRECTORY, add
// the URL query parameter 'davguest=1'.
// $isapublic_file = false;
// $davguest = ((x($_SESSION, 'davguest')) ? true : false);
// if ((! $auth->observer) && ($_SERVER['REQUEST_METHOD'] === 'GET')) {
// try {
// $x = RedFileData('/' . \App::$cmd, $auth);
// if($x instanceof \Zotlabs\Storage\File)
// $isapublic_file = true;
// }
// catch (Exception $e) {
// $isapublic_file = false;
// }
// }
// if ((! $auth->observer) && (! $isapublic_file) && (! $davguest)) {
// try {
// $auth->Authenticate($server, t('$Projectname channel'));
// }
// catch (Exception $e) {
// logger('mod_cloud: auth exception' . $e->getMessage());
// http_status_exit($e->getHTTPCode(), $e->getMessage());
// }
// }
// require_once('Zotlabs/Storage/Browser.php');
// provide a directory view for the cloud in Hubzilla
$browser = new \Zotlabs\Storage\Browser($auth);
$auth->setBrowserPlugin($browser);
// Experimental QuotaPlugin
// require_once('Zotlabs/Storage/QuotaPlugin.php');
// $server->addPlugin(new \Zotlabs\Storage\QuotaPlugin($auth));
// All we need to do now, is to fire up the server
$server->exec();
killme();
}
}
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