diff options
Diffstat (limited to 'lib/redirectingaction.php')
-rw-r--r-- | lib/redirectingaction.php | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/lib/redirectingaction.php b/lib/redirectingaction.php new file mode 100644 index 000000000..3a358f891 --- /dev/null +++ b/lib/redirectingaction.php @@ -0,0 +1,97 @@ +<?php +/** + * Superclass for actions that redirect to a given return-to page on completion. + * + * PHP version 5 + * + * StatusNet - the distributed open-source microblogging tool + * Copyright (C) 2009-2010, StatusNet, Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * @category Action + * @package StatusNet + * @author Evan Prodromou <evan@status.net> + * @author Brion Vibber <brion@status.net> + * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3 + * @link http://status.net/ + */ + +if (!defined('STATUSNET') && !defined('LACONICA')) { + exit(1); +} + +/** + * Superclass for actions that redirect to a given return-to page on completion. + * + * @category Action + * @package StatusNet + * @author Evan Prodromou <evan@status.net> + * @author Brion Vibber <brion@status.net> + * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3 + * @link http://status.net/ + */ + + +class RedirectingAction extends Action +{ + + /** + * Redirect browser to the page our hidden parameters requested, + * or if none given, to the url given by $this->defaultReturnTo(). + * + * To be called only after successful processing. + * + * Note: this was named returnToArgs() up through 0.9.2, which + * caused problems because there's an Action::returnToArgs() + * already which does something different. + * + * @return void + */ + function returnToPrevious() + { + // Now, gotta figure where we go back to + $action = false; + $args = array(); + $params = array(); + foreach ($this->args as $k => $v) { + if ($k == 'returnto-action') { + $action = $v; + } else if (substr($k, 0, 15) == 'returnto-param-') { + $params[substr($k, 15)] = $v; + } elseif (substr($k, 0, 9) == 'returnto-') { + $args[substr($k, 9)] = $v; + } + } + + if ($action) { + common_redirect(common_local_url($action, $args, $params), 303); + } else { + $url = $this->defaultReturnTo(); + } + common_redirect($url, 303); + } + + /** + * If we reached this form without returnto arguments, where should + * we go? May be overridden by subclasses to a reasonable destination + * for that action; default implementation throws an exception. + * + * @return string URL + */ + function defaultReturnTo() + { + $this->clientError(_("No return-to arguments.")); + } +} |