Current Path : C:/Users/Mahmood/Desktop/moodle/blocks/mnet_hosts/ |
Current File : C:/Users/Mahmood/Desktop/moodle/blocks/mnet_hosts/block_mnet_hosts.php |
<?php // This file is part of Moodle - http://moodle.org/ // // Moodle is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Moodle 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Moodle. If not, see <http://www.gnu.org/licenses/>. /** * MNet hosts block. * * @package block_mnet_hosts * @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com) * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class block_mnet_hosts extends block_list { function init() { $this->title = get_string('pluginname','block_mnet_hosts') ; } function has_config() { return false; } function applicable_formats() { if (has_capability('moodle/site:mnetlogintoremote', context_system::instance(), NULL, false)) { return array('all' => true, 'mod' => false, 'tag' => false); } else { return array('site' => true); } } function get_content() { global $CFG, $USER, $DB, $OUTPUT; // shortcut - only for logged in users! if (!isloggedin() || isguestuser()) { return false; } if (\core\session\manager::is_loggedinas()) { $this->content = new stdClass(); $this->content->footer = html_writer::tag('span', get_string('notpermittedtojumpas', 'mnet')); return $this->content; } // according to start_jump_session, // remote users can't on-jump // so don't show this block to them if (is_mnet_remote_user($USER)) { if (debugging() and !empty($CFG->debugdisplay)) { $this->content = new stdClass(); $this->content->footer = html_writer::tag('span', get_string('error_localusersonly', 'block_mnet_hosts'), array('class' => 'error')); return $this->content; } else { return ''; } } if (!is_enabled_auth('mnet')) { if (debugging() and !empty($CFG->debugdisplay)) { $this->content = new stdClass(); $this->content->footer = html_writer::tag('span', get_string('error_authmnetneeded', 'block_mnet_hosts'), array('class' => 'error')); return $this->content; } else { return ''; } } if (!has_capability('moodle/site:mnetlogintoremote', context_system::instance(), NULL, false)) { if (debugging() and !empty($CFG->debugdisplay)) { $this->content = new stdClass(); $this->content->footer = html_writer::tag('span', get_string('error_roamcapabilityneeded', 'block_mnet_hosts'), array('class' => 'error')); return $this->content; } else { return ''; } } if ($this->content !== NULL) { return $this->content; } // TODO: Test this query - it's appropriate? It works? // get the hosts and whether we are doing SSO with them $sql = " SELECT DISTINCT h.id, h.name, h.wwwroot, a.name as application, a.display_name FROM {mnet_host} h, {mnet_application} a, {mnet_host2service} h2s_IDP, {mnet_service} s_IDP, {mnet_host2service} h2s_SP, {mnet_service} s_SP WHERE h.id <> ? AND h.id <> ? AND h.id = h2s_IDP.hostid AND h.deleted = 0 AND h.applicationid = a.id AND h2s_IDP.serviceid = s_IDP.id AND s_IDP.name = 'sso_idp' AND h2s_IDP.publish = '1' AND h.id = h2s_SP.hostid AND h2s_SP.serviceid = s_SP.id AND s_SP.name = 'sso_idp' AND h2s_SP.publish = '1' ORDER BY a.display_name, h.name"; $hosts = $DB->get_records_sql($sql, array($CFG->mnet_localhost_id, $CFG->mnet_all_hosts_id)); $this->content = new stdClass(); $this->content->items = array(); $this->content->icons = array(); $this->content->footer = ''; if ($hosts) { foreach ($hosts as $host) { if ($host->id == $USER->mnethostid) { $url = new \moodle_url($host->wwwroot); } else { $url = new \moodle_url('/auth/mnet/jump.php', array('hostid' => $host->id)); } $this->content->items[] = html_writer::tag('a', $OUTPUT->pix_icon("i/{$host->application}_host", get_string('server', 'block_mnet_hosts')) . s($host->name), array('href' => $url->out(), 'title' => s($host->name)) ); } } return $this->content; } }