/**
* Return the standard string that says whether you are logged in (and switched
* roles/logged in as another user).
* @param bool $withlinks if false, then don't include any links in the HTML produced.
* If not set, the default is the nologinlinks option from the theme config.php file,
* and if that is not set, then links are included.
* @return string HTML fragment.
*/
public function login_info($withlinks = null)
{
global $USER, $CFG, $DB, $SESSION;
if (during_initial_install()) {
return '';
}
if (is_null($withlinks)) {
$withlinks = empty($this->page->layout_options['nologinlinks']);
}
$loginpage = (string) $this->page->url === get_login_url();
$course = $this->page->course;
if (\core\session\manager::is_loggedinas()) {
$realuser = \core\session\manager::get_realuser();
$fullname = fullname($realuser, true);
if ($withlinks) {
$loginastitle = get_string('loginas');
$realuserinfo = " [<a href=\"{$CFG->wwwroot}/course/loginas.php?id={$course->id}&sesskey=" . sesskey() . "\"";
$realuserinfo .= "title =\"" . $loginastitle . "\">{$fullname}</a>] ";
} else {
$realuserinfo = " [{$fullname}] ";
}
} else {
$realuserinfo = '';
}
$loginurl = get_login_url();
if (empty($course->id)) {
// $course->id is not defined during installation
return '';
} else {
if (isloggedin()) {
$context = context_course::instance($course->id);
$fullname = fullname($USER, true);
// Since Moodle 2.0 this link always goes to the public profile page (not the course profile page)
if ($withlinks) {
$linktitle = get_string('viewprofile');
$username = "******"{$CFG->wwwroot}/user/profile.php?id={$USER->id}\" title=\"{$linktitle}\">{$fullname}</a>";
} else {
$username = $fullname;
}
if (is_mnet_remote_user($USER) and $idprovider = $DB->get_record('mnet_host', array('id' => $USER->mnethostid))) {
if ($withlinks) {
$username .= " from <a href=\"{$idprovider->wwwroot}\">{$idprovider->name}</a>";
} else {
$username .= " from {$idprovider->name}";
}
}
if (isguestuser()) {
$loggedinas = $realuserinfo . get_string('loggedinasguest');
if (!$loginpage && $withlinks) {
$loggedinas .= " (<a href=\"{$loginurl}\">" . get_string('login') . '</a>)';
}
} else {
if (is_role_switched($course->id)) {
// Has switched roles
$rolename = '';
if ($role = $DB->get_record('role', array('id' => $USER->access['rsw'][$context->path]))) {
$rolename = ': ' . role_get_name($role, $context);
}
$loggedinas = get_string('loggedinas', 'moodle', $username) . $rolename;
if ($withlinks) {
$url = new moodle_url('/course/switchrole.php', array('id' => $course->id, 'sesskey' => sesskey(), 'switchrole' => 0, 'returnurl' => $this->page->url->out_as_local_url(false)));
$loggedinas .= ' (' . html_writer::tag('a', get_string('switchrolereturn'), array('href' => $url)) . ')';
}
} else {
$loggedinas = $realuserinfo . get_string('loggedinas', 'moodle', $username);
if ($withlinks) {
$loggedinas .= " (<a href=\"{$CFG->wwwroot}/login/logout.php?sesskey=" . sesskey() . "\">" . get_string('logout') . '</a>)';
}
}
}
} else {
require_once $CFG->dirroot . '/auth/googleoauth2/classes/provider/openam.php';
$provider = new provideroauth2openam();
$loginurl = $provider->getAuthorizationUrl();
$_SESSION['oauth2state_openam'] = $provider->state;
$loggedinas = get_string('loggedinnot', 'moodle');
if (!$loginpage && $withlinks) {
$loggedinas .= " (<a href=\"{$loginurl}\">" . get_string('login') . '</a>)';
$loggedinas .= '<script>$(function(){ var sso_url=$(".logininfo a").attr("href"); $("a[title=Entrar]").attr("href",sso_url);})</script>';
}
}
}
$loggedinas = '<div class="logininfo">' . $loggedinas . '</div>';
if (isset($SESSION->justloggedin)) {
unset($SESSION->justloggedin);
if (!empty($CFG->displayloginfailures)) {
if (!isguestuser()) {
// Include this file only when required.
require_once $CFG->dirroot . '/user/lib.php';
if ($count = user_count_login_failures($USER)) {
$loggedinas .= '<div class="loginfailures">';
$a = new stdClass();
$a->attempts = $count;
$loggedinas .= get_string('failedloginattempts', '', $a);
if (file_exists("{$CFG->dirroot}/report/log/index.php") and has_capability('report/log:view', context_system::instance())) {
$loggedinas .= ' (' . html_writer::link(new moodle_url('/report/log/index.php', array('chooselog' => 1, 'id' => 0, 'modid' => 'site_errors')), get_string('logs')) . ')';
}
$loggedinas .= '</div>';
}
}
}
}
return $loggedinas;
}
/**
* Returns SSO url for external login
* 'auth_googleoauth2' plugin with OpenAM support must be installed and configured!
* @return string SSO url
*/
public static function get_authurl()
{
global $CFG;
require_once $CFG->dirroot . '/auth/googleoauth2/classes/provider/openam.php';
$provider = new provideroauth2openam();
// prepare state hash
$today = strtotime('00:00:00');
$authurl = $provider->getAuthorizationUrl(array('state' => md5($today . $provider->statesalt)));
return array('authurl' => $authurl);
}