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156 lines
5.5 KiB
156 lines
5.5 KiB
<?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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* MNet hosts block.
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*
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* @package block_mnet_hosts
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* @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com)
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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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class block_mnet_hosts extends block_list {
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function init() {
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$this->title = get_string('pluginname','block_mnet_hosts') ;
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}
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function has_config() {
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return false;
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}
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function applicable_formats() {
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if (has_capability('moodle/site:mnetlogintoremote', context_system::instance(), NULL, false)) {
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return array('all' => true, 'mod' => false, 'tag' => false);
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} else {
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return array('site' => true);
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}
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}
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function get_content() {
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global $CFG, $USER, $DB, $OUTPUT;
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// shortcut - only for logged in users!
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if (!isloggedin() || isguestuser()) {
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return false;
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}
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if (\core\session\manager::is_loggedinas()) {
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$this->content = new stdClass();
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$this->content->footer = html_writer::tag('span',
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get_string('notpermittedtojumpas', 'mnet'));
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return $this->content;
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}
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// according to start_jump_session,
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// remote users can't on-jump
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// so don't show this block to them
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if (is_mnet_remote_user($USER)) {
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if (debugging() and !empty($CFG->debugdisplay)) {
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$this->content = new stdClass();
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$this->content->footer = html_writer::tag('span',
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get_string('error_localusersonly', 'block_mnet_hosts'),
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array('class' => 'error'));
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return $this->content;
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} else {
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return '';
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}
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}
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if (!is_enabled_auth('mnet')) {
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if (debugging() and !empty($CFG->debugdisplay)) {
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$this->content = new stdClass();
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$this->content->footer = html_writer::tag('span',
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get_string('error_authmnetneeded', 'block_mnet_hosts'),
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array('class' => 'error'));
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return $this->content;
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} else {
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return '';
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}
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}
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if (!has_capability('moodle/site:mnetlogintoremote', context_system::instance(), NULL, false)) {
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if (debugging() and !empty($CFG->debugdisplay)) {
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$this->content = new stdClass();
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$this->content->footer = html_writer::tag('span',
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get_string('error_roamcapabilityneeded', 'block_mnet_hosts'),
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array('class' => 'error'));
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return $this->content;
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} else {
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return '';
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}
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}
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if ($this->content !== NULL) {
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return $this->content;
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}
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// TODO: Test this query - it's appropriate? It works?
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// get the hosts and whether we are doing SSO with them
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$sql = "
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SELECT DISTINCT
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h.id,
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h.name,
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h.wwwroot,
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a.name as application,
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a.display_name
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FROM
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{mnet_host} h,
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{mnet_application} a,
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{mnet_host2service} h2s_IDP,
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{mnet_service} s_IDP,
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{mnet_host2service} h2s_SP,
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{mnet_service} s_SP
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WHERE
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h.id <> ? AND
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h.id <> ? AND
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h.id = h2s_IDP.hostid AND
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h.deleted = 0 AND
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h.applicationid = a.id AND
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h2s_IDP.serviceid = s_IDP.id AND
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s_IDP.name = 'sso_idp' AND
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h2s_IDP.publish = '1' AND
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h.id = h2s_SP.hostid AND
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h2s_SP.serviceid = s_SP.id AND
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s_SP.name = 'sso_idp' AND
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h2s_SP.publish = '1'
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ORDER BY
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a.display_name,
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h.name";
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$hosts = $DB->get_records_sql($sql, array($CFG->mnet_localhost_id, $CFG->mnet_all_hosts_id));
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$this->content = new stdClass();
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$this->content->items = array();
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$this->content->icons = array();
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$this->content->footer = '';
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if ($hosts) {
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foreach ($hosts as $host) {
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if ($host->id == $USER->mnethostid) {
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$url = new \moodle_url($host->wwwroot);
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} else {
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$url = new \moodle_url('/auth/mnet/jump.php', array('hostid' => $host->id));
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}
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$this->content->items[] = html_writer::tag('a',
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$OUTPUT->pix_icon("i/{$host->application}_host", get_string('server', 'block_mnet_hosts')) . s($host->name),
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array('href' => $url->out(), 'title' => s($host->name))
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);
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}
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}
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return $this->content;
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}
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}
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