/**
* @brief Fires up the SabreDAV server.
*
* @param App &$a
*/
function cloud_init(&$a)
{
// call ($currenttheme)_init since we're operating outside of index.php
$theme_info_file = "view/theme/" . current_theme() . "/php/theme.php";
if (file_exists($theme_info_file)) {
require_once $theme_info_file;
if (function_exists(str_replace('-', '_', current_theme()) . '_init')) {
$func = str_replace('-', '_', current_theme()) . '_init';
$func($a);
}
}
require_once 'include/reddav.php';
if (!is_dir('store')) {
os_mkdir('store', STORAGE_DEFAULT_PERMISSIONS, false);
}
$which = null;
if (argc() > 1) {
$which = argv(1);
}
$profile = 0;
$channel = $a->get_channel();
$a->page['htmlhead'] .= '<link rel="alternate" type="application/atom+xml" href="' . $a->get_baseurl() . '/feed/' . $which . '" />' . "\r\n";
if ($which) {
profile_load($a, $which, $profile);
}
$auth = new RedBasicAuth();
$ob_hash = get_observer_hash();
if ($ob_hash) {
if (local_user()) {
$channel = $a->get_channel();
$auth->setCurrentUser($channel['channel_address']);
$auth->channel_name = $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->timezone = $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 RedDirectory('/', $auth);
// A SabreDAV server-object
$server = new DAV\Server($rootDirectory);
// prevent overwriting changes each other with a lock backend
$lockBackend = new DAV\Locks\Backend\File('store/[data]/locks');
$lockPlugin = new DAV\Locks\Plugin($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('/' . $a->cmd, $auth);
if ($x instanceof RedFile) {
$isapublic_file = true;
}
} catch (Exception $e) {
$isapublic_file = false;
}
}
if (!$auth->observer && !$isapublic_file && !$davguest) {
try {
$auth->Authenticate($server, t('Red Matrix - Guests: Username: {your email address}, Password: +++'));
} catch (Exception $e) {
logger('mod_cloud: auth exception' . $e->getMessage());
http_status_exit($e->getHTTPCode(), $e->getMessage());
}
}
// provide a directory view for the cloud in Red Matrix
$browser = new RedBrowser($auth);
$auth->setBrowserPlugin($browser);
$server->addPlugin($browser);
// All we need to do now, is to fire up the server
$server->exec();
killme();
}
