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