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1fcf0ca8a5
dirname() is a slow function compared with __DIR__ and using '/../'. Moodle has a large number of legacy files that are included each time a page loads and is not able to use an autoloader as it is functional code. This allows those required includes to perform as best as possible in this situation.
47 lines
1.6 KiB
PHP
47 lines
1.6 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// Moodle 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* An oauth2 redirection endpoint which can be used for an application:
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* http://tools.ietf.org/html/draft-ietf-oauth-v2-26#section-3.1.2
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*
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* This is used because some oauth servers will not allow a redirect urls
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* with get params (like repository callback) and that needs to be called
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* using the state param.
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*
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* @package core
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* @copyright 2012 Dan Poltawski
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once(__DIR__ . '/../config.php');
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// The authorization code generated by the authorization server.
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$code = required_param('code', PARAM_RAW);
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// The state parameter we've given (used in moodle as a redirect url).
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$state = required_param('state', PARAM_LOCALURL);
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$redirecturl = new moodle_url($state);
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$params = $redirecturl->params();
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if (isset($params['sesskey']) and confirm_sesskey($params['sesskey'])) {
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$redirecturl->param('oauth2code', $code);
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redirect($redirecturl);
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} else {
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print_error('invalidsesskey');
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}
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