mirror of
https://github.com/moodle/moodle.git
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d79d5ac276
List of changes: * New OOP API using PHP namespace \core\session\. * All handlers now update the sessions table consistently. * Experimental DB session support in Oracle. * Full support for session file handler (filesystem locking required). * New option for alternative session directory. * Official memcached session handler support. * Workaround for memcached version with non-functional gc. * Improved security - forced session id regeneration. * Improved compatibility with recent PHP releases. * Fixed borked CSS during install in debug mode. * Switched to file based sessions in new installs. * DB session setting disappears if DB does not support sessions. * DB session setting disappears if session handler specified in config.php. * Fast purging of sessions used in request only. * No legacy distinction - file, database and memcached support the same functionality. * Session handler name included in performance info. * Fixed user_loggedin and user_loggedout event triggering. * Other minor bugfixing and improvements. * Fixed database session segfault if MUC disposed before $DB. Limitations: * Session access time is now updated right after session start. * Support for $CFG->sessionlockloggedinonly was removed. * First request does not update userid in sessions table. * The timeouts may break badly if server hosting forces PHP.ini session settings. * The session GC is a lot slower, we do not rely on external session timeouts. * There cannot be any hooks triggered at the session write time. * File and memcached handlers do not support session lock acquire timeouts. * Some low level PHP session functions can not be used directly in Moodle code.
103 lines
3.2 KiB
PHP
103 lines
3.2 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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* This page shows all course enrolment options for current user.
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*
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* @package core_enrol
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* @copyright 2010 Petr Skoda {@link http://skodak.org}
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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('../config.php');
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require_once("$CFG->libdir/formslib.php");
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$id = required_param('id', PARAM_INT);
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if (!isloggedin()) {
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// do not use require_login here because we are usually coming from it,
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// it would also mess up the SESSION->wantsurl
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redirect(get_login_url());
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}
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$course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);
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$context = context_course::instance($course->id, MUST_EXIST);
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// Everybody is enrolled on the frontpage
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if ($course->id == SITEID) {
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redirect("$CFG->wwwroot/");
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}
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$PAGE->set_course($course);
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$PAGE->set_pagelayout('course');
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$PAGE->set_url('/enrol/index.php', array('id'=>$course->id));
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// do not allow enrols when in login-as session
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if (\core\session\manager::is_loggedinas() and $USER->loginascontext->contextlevel == CONTEXT_COURSE) {
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print_error('loginasnoenrol', '', $CFG->wwwroot.'/course/view.php?id='.$USER->loginascontext->instanceid);
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}
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// get all enrol forms available in this course
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$enrols = enrol_get_plugins(true);
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$enrolinstances = enrol_get_instances($course->id, true);
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$forms = array();
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foreach($enrolinstances as $instance) {
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if (!isset($enrols[$instance->enrol])) {
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continue;
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}
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$form = $enrols[$instance->enrol]->enrol_page_hook($instance);
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if ($form) {
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$forms[$instance->id] = $form;
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}
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}
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// Check if user already enrolled
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if (is_enrolled($context, $USER, '', true)) {
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if (!empty($SESSION->wantsurl)) {
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$destination = $SESSION->wantsurl;
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unset($SESSION->wantsurl);
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} else {
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$destination = "$CFG->wwwroot/course/view.php?id=$course->id";
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}
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redirect($destination); // Bye!
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}
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$PAGE->set_title($course->shortname);
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$PAGE->set_heading($course->fullname);
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$PAGE->navbar->add(get_string('enrolmentoptions','enrol'));
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echo $OUTPUT->header();
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echo $OUTPUT->heading(get_string('enrolmentoptions','enrol'));
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$courserenderer = $PAGE->get_renderer('core', 'course');
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echo $courserenderer->course_info_box($course);
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//TODO: find if future enrolments present and display some info
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foreach ($forms as $form) {
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echo $form;
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}
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if (!$forms) {
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if (isguestuser()) {
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notice(get_string('noguestaccess', 'enrol'), get_login_url());
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} else {
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notice(get_string('notenrollable', 'enrol'), "$CFG->wwwroot/index.php");
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}
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}
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echo $OUTPUT->footer();
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