<?php /** * StatusNet, the distributed open-source microblogging tool * * Microid class * * PHP version 5 * * LICENCE: 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 ID * @package StatusNet * @author Evan Prodromou <evan@status.net> * @copyright 2008 StatusNet, Inc. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 * @link http://status.net/ */ if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); } /** * A class for microids * * @category ID * @package StatusNet * @author Evan Prodromou <evan@status.net> * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 * @link http://status.net/ * @see http://microid.org/ */ class Microid { /** Agent part of the ID. */ var $agent = null; /** Resource part of the ID. */ var $resource = null; /** * Constructor * * @param string $agent Agent of the ID * @param string $resource Resource part */ function __construct($agent, $resource) { $this->agent = $agent; $this->resource = $resource; } /** * Generate a MicroID string * * @return string MicroID for agent and resource */ function toString() { $agent_proto = $this->_getProto($this->agent); $resource_proto = $this->_getProto($this->resource); return $agent_proto.'+'.$resource_proto.':sha1:'. sha1(sha1($this->agent).sha1($this->resource)); } /** * Utility for getting the protocol part of a URI * * @param string $uri URI to parse * * @return string scheme part of the URI */ function _getProto($uri) { $colon = strpos($uri, ':'); return substr($uri, 0, $colon); } }