142 lines
3.7 KiB
PHP
142 lines
3.7 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* Redirect to the given URL
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*
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* PHP version 5
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category URL
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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/**
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* Redirect to a given URL
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*
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* This is our internal low-budget URL-shortener
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*
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* @category Action
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class RedirecturlAction extends Action
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{
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protected $id = null;
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protected $file = null;
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/**
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* For initializing members of the class.
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*
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* @param array $argarray misc. arguments
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*
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* @return boolean true
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*/
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function prepare($argarray)
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{
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parent::prepare($argarray);
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$this->id = $this->trimmed('id');
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if (empty($this->id)) {
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// TRANS: Client exception thrown when no ID parameter was provided.
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throw new ClientException(_('No id parameter.'));
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}
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$this->file = File::getKV('id', $this->id);
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if (empty($this->file)) {
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// TRANS: Client exception thrown when an invalid ID parameter was provided for a file.
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// TRANS: %d is the provided ID for which the file is not present (number).
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throw new ClientException(sprintf(_('No such file "%d".'),
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$this->id),
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404);
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}
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return true;
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}
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/**
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* Handler method
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*
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* @param array $argarray is ignored since it's now passed in in prepare()
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*
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* @return void
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*/
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function handle($argarray=null)
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{
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common_redirect($this->file->url, 307);
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}
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/**
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* Return true if read only.
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*
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* MAY override
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*
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* @param array $args other arguments
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*
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* @return boolean is read only action?
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*/
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function isReadOnly($args)
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{
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return true;
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}
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/**
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* Return last modified, if applicable.
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*
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* MAY override
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*
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* @return string last modified http header
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*/
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function lastModified()
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{
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// For comparison with If-Last-Modified
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// If not applicable, return null
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return strtotime($this->file->modified);
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}
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/**
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* Return etag, if applicable.
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*
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* MAY override
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*
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* @return string etag http header
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*/
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function etag()
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{
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return 'W/"' . implode(':', array($this->arg('action'),
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common_user_cache_hash(),
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common_language(),
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$this->file->id)) . '"';
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}
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}
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