See Release Notes
Long Term Support Release
Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401] [Versions 400 and 401]
1 <?php 2 3 require_once("../../config.php"); 4 require_once($CFG->dirroot."/auth/shibboleth/auth.php"); 5 6 $idp = optional_param('idp', null, PARAM_RAW); 7 8 // Check for timed out sessions. 9 if (!empty($SESSION->has_timed_out)) { 10 $session_has_timed_out = true; 11 $SESSION->has_timed_out = false; 12 } else { 13 $session_has_timed_out = false; 14 } 15 16 // Define variables used in page. 17 $isvalid = true; 18 $site = get_site(); 19 20 $loginsite = get_string("loginsite"); 21 22 $loginurl = (!empty($CFG->alternateloginurl)) ? $CFG->alternateloginurl : ''; 23 24 $config = get_config('auth_shibboleth'); 25 if (!empty($CFG->registerauth) or is_enabled_auth('none') or !empty($config->auth_instructions)) { 26 $showinstructions = true; 27 } else { 28 $showinstructions = false; 29 } 30 31 $idplist = get_idp_list($config->organization_selection); 32 if (isset($idp)) { 33 if (isset($idplist[$idp])) { 34 set_saml_cookie($idp); 35 36 $targeturl = new moodle_url('/auth/shibboleth/index.php'); 37 $idpinfo = $idplist[$idp]; 38 39 // Redirect to SessionInitiator with entityID as argument. 40 if (isset($idpinfo[1]) && !empty($idpinfo[1])) { 41 $sso = $idpinfo[1]; 42 } else { 43 $sso = '/Shibboleth.sso'; 44 } 45 // For Shibboleth 1.x Service Providers. 46 header('Location: ' . $sso . '?providerId=' . urlencode($idp) . '&target=' . urlencode($targeturl->out())); 47 48 } else { 49 $isvalid = false; 50 } 51 } 52 53 $loginsite = get_string("loginsite"); 54 55 $PAGE->set_url('/auth/shibboleth/login.php'); 56 $PAGE->set_context(context_system::instance()); 57 $PAGE->navbar->add($loginsite); 58 $PAGE->set_title($loginsite); 59 $PAGE->set_heading($site->fullname); 60 $PAGE->set_pagelayout('login'); 61 62 echo $OUTPUT->header(); 63 64 if (isloggedin() and !isguestuser()) { 65 // Prevent logging when already logged in, we do not want them to relogin by accident because sesskey would be changed. 66 echo $OUTPUT->box_start(); 67 $params = array('sesskey' => sesskey(), 'loginpage' => 1); 68 $logout = new single_button(new moodle_url('/login/logout.php', $params), get_string('logout'), 'post'); 69 $continue = new single_button(new moodle_url('/'), get_string('cancel'), 'get'); 70 echo $OUTPUT->confirm(get_string('alreadyloggedin', 'error', fullname($USER)), $logout, $continue); 71 echo $OUTPUT->box_end(); 72 } else { 73 // Print login page. 74 $selectedidp = '-'; 75 if (isset($_COOKIE['_saml_idp'])) { 76 $idpcookie = generate_cookie_array($_COOKIE['_saml_idp']); 77 do { 78 $selectedidp = array_pop($idpcookie); 79 } while (!isset($idplist[$selectedidp]) && count($idpcookie) > 0); 80 } 81 82 $idps = []; 83 foreach ($idplist as $value => $data) { 84 $name = reset($data); 85 $selected = $value === $selectedidp; 86 $idps[] = (object)[ 87 'name' => $name, 88 'value' => $value, 89 'selected' => $selected 90 ]; 91 } 92 93 // Whether the user can sign up. 94 $cansignup = !empty($CFG->registerauth); 95 // Default instructions. 96 $instructions = format_text($config->auth_instructions); 97 if (is_enabled_auth('none')) { 98 $instructions = get_string('loginstepsnone'); 99 } else if ($cansignup) { 100 if ($CFG->registerauth === 'email' && empty($instructions)) { 101 $instructions = get_string('loginsteps'); 102 } 103 } 104 105 // Build the template context data. 106 $templatedata = (object)[ 107 'adminemail' => get_admin()->email, 108 'cansignup' => $cansignup, 109 'guestlogin' => $CFG->guestloginbutton, 110 'guestloginurl' => new moodle_url('/login/index.php'), 111 'idps' => $idps, 112 'instructions' => $instructions, 113 'loginname' => $config->login_name ?? null, 114 'logintoken' => \core\session\manager::get_login_token(), 115 'loginurl' => new moodle_url('/auth/shibboleth/login.php'), 116 'showinstructions' => $showinstructions, 117 'signupurl' => new moodle_url('/login/signup.php'), 118 'isvalid' => $isvalid 119 ]; 120 121 // Render the login form. 122 echo $OUTPUT->render_from_template('auth_shibboleth/login_form', $templatedata); 123 } 124 125 echo $OUTPUT->footer();
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