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auth.php
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<?php
/**
* Authentication Plugin: OpenID Authentication
*
* This plugin provides standard OpenID consumer functionality in Moodle.
*
* @author Brent Boghosian <brent.boghoosian@remote-learner.net>
* @copyright Copyright (c) 2011 Remote-Learner
* @author Stuart Metcalfe <info@pdl.uk.com>
* @copyright Copyright (c) 2007 Canonical
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package moodle multiauth
*/
if (!defined('MOODLE_INTERNAL')) {
die('Direct access to this script is forbidden.'); /// It must be included from a Moodle page
}
require_once $CFG->libdir.'/authlib.php';
require_once $CFG->dirroot.'/auth/openid/lib.php';
// Append the OpenID directory to the include path and include relevant files
set_include_path(get_include_path().PATH_SEPARATOR.$CFG->dirroot.'/auth/openid/lib/openid/');
// Required files (library)
require_once $CFG->dirroot.'/auth/openid/locallib.php';
define('GOOGLE_OPENID_URL', 'https://www.google.com/accounts/o8/id');
// Include the custom event script if it exists
if (file_exists($CFG->dirroot.'/auth/openid/event.php')) {
include $CFG->dirroot.'/auth/openid/event.php';
}
/**
* OpenID authentication plugin.
*/
class auth_plugin_openid extends auth_plugin_base {
/**
* Class constructor
*
* Assigns default config values and checks for requested actions
*/
function auth_plugin_openid() {
$this->authtype = 'openid';
$this->pluginconfig = 'auth/'.$this->authtype;
$this->roleauth = 'auth_'.$this->authtype;
$this->errorlogtag = '['.strtoupper($this->roleauth).'] ';
$this->config = get_config($this->pluginconfig);
// Set some defaults if not already set up
if (!isset($this->config->openid_sreg_required)) {
set_config('openid_sreg_required', 'nickname,email,fullname,country', 'auth/openid');
$this->config->openid_sreg_required='nickname,email,fullname,country';
}
if (!isset($this->config->openid_sreg_optional)) {
set_config('openid_sreg_optional', '', 'auth/openid');
$this->config->openid_sreg_optional='';
}
if (!isset($this->config->openid_privacy_url)) {
set_config('openid_privacy_url', '', 'auth/openid');
$this->config->openid_privacy_url='';
}
if (!isset($this->config->openid_non_whitelisted_status)) {
set_config('openid_non_whitelisted_status', 0, 'auth/openid');
$this->config->openid_non_whitelisted_status=0;
}
if (!isset($this->config->auth_openid_allow_account_change)) {
set_config('auth_openid_allow_account_change', 'false', 'auth/openid');
$this->config->auth_openid_allow_account_change='false'; // TBD: was true
}
if (!isset($this->config->auth_openid_allow_multiple)) {
set_config('auth_openid_allow_multiple', 'true', 'auth/openid');
$this->config->auth_openid_allow_multiple='true';
}
if (!isset($this->config->auth_openid_limit_login)) {
set_config('auth_openid_limit_login', 'false', 'auth/openid');
$this->config->auth_openid_limit_login='false';
}
if (!isset($this->config->auth_openid_custom_login)) {
set_config('auth_openid_custom_login', '', 'auth/openid');
$this->config->auth_openid_custom_login='';
}
if (!isset($this->config->auth_openid_google_apps_domain)) {
set_config('auth_openid_google_apps_domain', '', 'auth/openid');
$this->config->auth_openid_google_apps_domain = '';
}
if (!isset($this->config->auth_openid_confirm_switch)) {
set_config('auth_openid_confirm_switch', 'true', 'auth/openid');
$this->config->auth_openid_confirm_switch='true';
}
if (!isset($this->config->auth_openid_email_on_change)) {
set_config('auth_openid_email_on_change', 'true', 'auth/openid');
$this->config->auth_openid_email_on_change='true';
}
if (!isset($this->config->auth_openid_create_account)) {
set_config('auth_openid_create_account', 'true', 'auth/openid');
$this->config->auth_openid_create_account='true';
}
if (!isset($this->config->auth_openid_match_fields)) {
set_config('auth_openid_match_fields', 'email', 'auth/openid');
$this->config->auth_openid_match_fields='email';
}
if (!isset($this->config->auth_openid_clear_wantsurl)) {
set_config('auth_openid_clear_wantsurl', '', 'auth/openid');
$this->config->auth_openid_clear_wantsurl = '';
}
// Define constants used in OpenID lib
if (!defined('OPENID_USE_IDENTIFIER_SELECT')) { // BJB101123: fix redefined error
define('OPENID_USE_IDENTIFIER_SELECT', 'false');
}
}
/**
* Returns true if this authentication plugin can change the users'
* password.
*
* Cheeky hack to place OpenID configuration in the user's main profile
* page.
*
* Takes advantage of the fact that /user/view.php checks the user's
* authentication class (ie: this one!) to see if it offers the ability
* to change passwords. This plugin can't change passwords so we return
* false but we also use it as the hook to display the form.
*
* @uses $DB
* @uses $USER
* @return bool
*/
function can_change_password() {
global $DB, $USER;
return(is_enabled_auth('openid') && !empty($USER) && $USER->id > 0 &&
property_exists($USER, 'auth') && $USER->auth == 'openid' &&
($this->config->auth_openid_allow_multiple == 'true' ||
$DB->count_records('openid_urls', array('userid' => $USER->id))
> 1)
);
}
/**
* Returns the URL for changing the users' passwords: 'Manage your OpenIDs'
* URL can be used.
*
* This method is used if can_change_password() returns true.
* This method is called only when user is logged in, it may use global $USER.
*
* @uses $CFG
* @return [moodle_url] url of the 'change password' page
*/
function change_password_url() {
global $CFG;
return $CFG->wwwroot.'/auth/openid/change_pwd.php';
}
/**
* Returns true if plugin allows confirming of new users.
*
* @return bool
*/
function can_confirm() {
return true;
}
/**
* Confirm the new user as registered.
*
* @param string $username (with system magic quotes)
* @param string $confirmsecret (with system magic quotes)
* @uses $DB
*/
function user_confirm($username, $confirmsecret) {
global $DB;
$user = get_complete_user_data('username', $username);
if (!empty($user)) {
if ($user->confirmed) {
return AUTH_CONFIRM_ALREADY;
} else if ($user->auth != $this->authtype) {
return AUTH_CONFIRM_ERROR;
} else if ($user->secret == stripslashes($confirmsecret)) { // They have provided the secret key to get in
if (!$DB->set_field('user', 'confirmed', 1, array('id' => $user->id))) {
return AUTH_CONFIRM_FAIL;
}
if (!$DB->set_field('user', 'firstaccess', time(), array('id' => $user->id))) {
return AUTH_CONFIRM_FAIL;
}
return AUTH_CONFIRM_OK;
}
} else {
return AUTH_CONFIRM_ERROR;
}
}
/**
* Delete user openid records from database
*
* @param object $user Userobject before delete (without system magic quotes)
* @uses $DB
*/
function user_delete($olduser) {
global $DB;
$DB->delete_records('openid_urls', array('userid' => $olduser->id));
}
/**
* This is the primary method that is used by the authenticate_user_login()
* function in moodlelib.php. This method should return a boolean indicating
* whether or not the username and password authenticate successfully.
*
* Returns true if the username and password work and false if they are
* wrong or don't exist.
*
* @param string $username The username (with system magic quotes)
* @param string $password The password (with system magic quotes)
*
* @return bool Authentication success or failure.
*/
function user_login($username, $password) {
// This plugin doesn't use usernames and passwords
return false;
}
/**
* Prints a form for configuring this authentication plugin.
*
* This function is called from admin/auth.php, and outputs a full page with
* a form for configuring this plugin.
*/
function config_form($config, $err, $user_fields) {
global $CFG, $USER;
include $CFG->dirroot.'/auth/openid/auth_config.html';
}
/**
* A chance to validate form data, and last chance to
* do stuff before it is inserted in config_plugin
* @param object object with submitted configuration settings (without system magic quotes)
* @param array $err array of error messages
*/
function validate_form($form, &$err) {
//override if needed
}
/**
* Processes and stores configuration data for this authentication plugin.
*
* @param object object with submitted configuration settings (without system magic quotes)
* @uses $DB
*/
function process_config($config) {
global $DB;
$page = optional_param('page', '', PARAM_ALPHA);
if ($page == 'users') {
$vars = array(
'auth_openid_allow_account_change',
'auth_openid_allow_multiple',
'openid_non_whitelisted_status',
'auth_openid_create_account',
'auth_openid_limit_login',
'auth_openid_custom_login',
'auth_openid_google_apps_domain',
'auth_openid_confirm_switch',
'auth_openid_email_on_change',
'auth_openid_match_fields',
'auth_openid_clear_wantsurl'
);
} elseif ($page == 'sreg') {
$vars = array(
'openid_sreg_required',
'openid_sreg_optional',
'openid_privacy_url'
);
} elseif ($page == 'servers') {
$vars = array();
$add = optional_param('add_server', null, PARAM_RAW);
if ($add != null) {
$record = new object();
$record->server = required_param('openid_add_server', PARAM_RAW);
$record->listtype = optional_param('openid_add_listtype', 0, PARAM_INT);
if ($record->listtype != OPENID_WHITELIST && $record->listtype != OPENID_BLACKLIST) {
$record->listtype = OPENID_GREYLIST;
}
if (!empty($record->server) && !$DB->record_exists('openid_servers', array('server' => $record->server))) {
$DB->insert_record('openid_servers', $record);
}
} else {
$servers = optional_param_array('servers', array(), PARAM_RAW);
foreach ($servers as $id=>$val) {
$id = intval($id);
$val = intval($val);
if ($id < 1) {
continue;
}
// If we encounter a 'delete' request
if ($val < 0) {
$DB->delete_records('openid_servers', array('id' => $id));
continue;
}
// Otherwise, force a valid value (default 'GREYLIST')
if ($val != OPENID_WHITELIST && $val != OPENID_BLACKLIST) {
$val = OPENID_GREYLIST;
}
// And update record
$record = new stdClass;
$record->id = $id;
$record->listtype = $val;
$DB->update_record('openid_servers', $record);
}
}
}
foreach ($vars as $var) {
set_config($var, isset($config->$var) ? $config->$var : '', 'auth/openid');
$this->config->$var = isset($config->$var) ? $config->$var : '';
}
return false;
}
/**
* New method for OpenID SSO operation using custom login config setting
* for OpenID_SSO url if no a relative path but a url
*
* @return boolean - true if OpenID SSO operation is configured,
* false otherwise.
*/
function is_sso() {
return(!empty($this->config->auth_openid_limit_login) &&
!empty($this->config->auth_openid_custom_login) &&
strpos($this->config->auth_openid_custom_login, 'http') === 0);
}
/**
* Hook for overriding behavior of login page.
* This method is called from login/index.php page for all enabled auth
* plugins.
*
* We're overriding the default login behaviour when login is attempted or
* an OpenID response is received. We also provide our own login form if
* an alternate login url hasn't already been defined. This doesn't alter
* the site's configuration value.
* @uses $CFG
* @uses $DB
* @uses $frm - from login page
* @uses $user - from login page
*/
function loginpage_hook() {
global $CFG, $DB;
global $frm, $user; // Login page variables
$username = optional_param('username', null, PARAM_ALPHANUM);
$password = optional_param('password', null, PARAM_ALPHANUM);
$admin = optional_param('admin', null, PARAM_ALPHANUM);
$openid_url = optional_param('openid_url', null, PARAM_RAW);
$google_apps_domain = optional_param('googleapps_domain',
$this->config->auth_openid_google_apps_domain,
PARAM_RAW);
$mode = optional_param('openid_mode', null, PARAM_ALPHANUMEXT);
$allow_append = ($this->config->auth_openid_allow_multiple=='true');
$referer = get_referer(false);
// Check for OpenID login override 'admin=true'
if ($admin === null && strstr($referer,'admin=true')) {
$admin = 'true';
}
if (!empty($admin) && $admin == 'true') {
return;
}
// We need to use our OpenID login form
if (empty($CFG->alternateloginurl)) {
$CFG->alternateloginurl = $CFG->wwwroot.'/auth/openid/login.php';
}
// No response received, form submitted OpenID URL or GoogleApps domain is set and "OpenID authentication only" option is set.
if ($mode == null && ($openid_url != null || (!empty($google_apps_domain) && !empty($this->config->auth_openid_limit_login)))
&& ($username == null && $password == null)) {
// If we haven't received a response, then initiate a request
$this->do_request();
} elseif ($mode != null) {
// If openid.mode is set then we'll assume this is a response
$resp = $this->process_response();
if ($resp !== false) {
global $SESSION;
if (!empty($this->config->auth_openid_clear_wantsurl) &&
!empty($SESSION->wantsurl)) {
unset($SESSION->wantsurl);
}
$url = $resp->identity_url;
$server = $resp->endpoint->server_url;
if (!openid_server_allowed($server, $this->config)) {
$sparam = new stdClass;
$sparam->url = $server;
print_error('auth_openid_server_blacklisted',
'auth_openid', '', $sparam);
}
logout_guestuser();
if (openid_urls_table(OPENID_URLS_EXIST, $url)) {
// Get the user associated with the OpenID
$userid = openid_urls_table(OPENID_URLS_GET, $url, 'userid');
$user = get_complete_user_data('id', $userid);
// If the user isn't found then there's a database
// discrepancy. We delete this entry and create a new user
if (!$user) {
openid_urls_table(OPENID_URLS_DELETE, $url);
$user = $this->_open_account($resp);
}
// Otherwise, the user is found and we call the optional
// on_openid_login function
elseif (function_exists('on_openid_login')) {
on_openid_login($resp, $user);
}
} else {
// Otherwise, create a new account
$user = $this->_open_account($resp,
!isset($this->config->auth_openid_create_account)
|| $this->config->auth_openid_create_account == 'true');
}
if (!empty($user)) {
$frm = new stdClass();
$frm->username = $user->username;
$frm->password = $user->password;
}
}
}
}
/**
* Initiate an OpenID request
*
* @param boolean $allowsreg Determines if registration is allowed
* @param string $processurl The URL to process
* @param array $params Array of extra parameters to append to the request
* @uses $CFG
* @uses $USER
* @uses $OUTPUT
*/
function do_request($allowsreg = true, $processurl = '', $params = array()) {
global $CFG, $USER, $OUTPUT;
// Create the consumer instance
$store = new Auth_OpenID_FileStore($CFG->dataroot.'/openid');
$consumer = new Auth_OpenID_Consumer($store);
$openid_url = optional_param('openid_url', null, PARAM_RAW);
$google_apps_domain = optional_param('googleapps_domain',
$this->config->auth_openid_google_apps_domain,
PARAM_RAW);
if (defined('GOOGLE_OPENID_URL') && !empty($openid_url) &&
(stristr($openid_url,'@google.') || stristr($openid_url,'@gmail.')))
{
// BJB101206: map Google email addresses to OpenID url
$tmpemail = $openid_url;
$openid_url = GOOGLE_OPENID_URL;
logout_guestuser();
if (empty($USER->id) &&
($tmpuser = get_complete_user_data('email', $tmpemail)) &&
$tmpuser->auth != 'openid')
{
// Verify email later.
$allowsreg = true;
$processurl = $CFG->wwwroot.'/auth/openid/actions.php';
$USER = $tmpuser;
$params['openid_tmp_login'] = true; // require flag in action.php
$params['openid_action'] = 'change';
$params['openid_url'] = $openid_url;
$params['openid_mode'] = 'switch2openid'; // arbitrary != null
//error_log('/auth/openid/auth.php::do_request() - Found user email: '.$tmpemail);
}
}
if (!empty($google_apps_domain)) {
$_SESSION['openid_googleapps_domain'] = $openid_url = $google_apps_domain;
new GApps_OpenID_Discovery($consumer);
}
$authreq = $consumer->begin($openid_url);
if (!$authreq && $this->is_sso()) {
$endpoint = new Auth_OpenID_ServiceEndpoint();
$endpoint->server_url = $openid_url;
$endpoint->claimed_id = Auth_OpenID_IDENTIFIER_SELECT;
$endpoint->type_uris = array('http://specs.openid.net/auth/2.0/signon');
$authreq = $consumer->beginWithoutDiscovery($endpoint);
}
if (!$authreq) {
print_error('auth_openid_login_error', 'auth_openid');
}
// Add any simple registration fields to the request.
if ($allowsreg === true) {
$sregadded = false;
$req = array();
$opt = array();
$privacyurl = null;
// Required fields.
if (!empty($this->config->openid_sreg_required)) {
$req = array_map('trim', explode(',', $this->config->openid_sreg_required));
$sregadded = true;
}
// Optional fields.
if (!empty($this->config->openid_sreg_optional)) {
$opt = array_map('trim', explode(',', $this->config->openid_sreg_optional));
$sregadded = true;
}
// Privacy statement.
if ($sregadded && !empty($this->config->openid_privacy_url)) {
$privacyurl = $this->config->openid_privacy_url;
}
/**
* We call the on_openid_do_request event handler function if it
* exists. This is called before the simple registration (sreg)
* extension is added to allow changes to be made to the sreg
* data fields if required.
*/
if (function_exists('on_openid_do_request')) {
on_openid_do_request($authreq);
}
// Finally, the simple registration data is added.
if ($sregadded && !(count($req) < 1 && count($opt) < 1)) {
$sreg_request = Auth_OpenID_SRegRequest::build($req, $opt, $privacyurl);
if ($sreg_request) {
$authreq->addExtension($sreg_request);
}
}
// Add AX (Attribute Exchange) support.
$AXattr = array();
$AXattr[] = Auth_OpenID_AX_AttrInfo::make(AX_SCHEMA_EMAIL,1,1, 'email');
$AXattr[] = Auth_OpenID_AX_AttrInfo::make(AX_SCHEMA_NICKNAME,1,1, 'nickname');
$AXattr[] = Auth_OpenID_AX_AttrInfo::make(AX_SCHEMA_FULLNAME,1,1, 'fullname');
$AXattr[] = Auth_OpenID_AX_AttrInfo::make(AX_SCHEMA_FIRSTNAME,1,1, 'firstname');
$AXattr[] = Auth_OpenID_AX_AttrInfo::make(AX_SCHEMA_LASTNAME,1,1, 'lastname');
$AXattr[] = Auth_OpenID_AX_AttrInfo::make(AX_SCHEMA_COUNTRY,1,1, 'country');
// Create AX fetch request.
$ax = new Auth_OpenID_AX_FetchRequest();
// Add attributes to AX fetch request.
foreach($AXattr as $attr){
$ax->add($attr);
}
// Add AX fetch request to authentication request.
$authreq->addExtension($ax);
}
// Prepare the remaining components for the request.
if (empty($processurl)) {
$processurl = $CFG->wwwroot.'/login/index.php';
}
if (is_array($params) && !empty($params)) {
$query = '';
foreach ($params as $key => $val) {
$query .= '&'.$key.'='.$val;
}
$processurl .= '?'.substr($query, 1);
}
$trustroot = $CFG->wwwroot.'/';
$_SESSION['openid_process_url'] = $processurl;
// Finally, redirect to the OpenID provider. Check if the server is allowed.
if (!openid_server_allowed($authreq->endpoint->server_url, $this->config)) {
$sparam = new stdClass;
$sparam->url = $authreq->endpoint->server_url;
print_error('auth_openid_server_blacklisted', 'auth_openid', '', $sparam);
} elseif ($authreq->shouldSendRedirect()) {
// If this is an OpenID 1.x request, redirect the user.
$redirecturl = $authreq->redirectURL($trustroot, $processurl);
// If the redirect URL can't be built, display an error message.
if (Auth_OpenID::isFailure($redirecturl)) {
echo $OUTPUT->error_text($redirecturl->message);
// TBD.
exit;
} else {
// Otherwise, we want to redirect.
redirect($redirecturl);
}
} else {
// Use the post form method if using OpenID 2.0. Generate form markup and render it.
$formid = 'openid_message';
$message = $authreq->getMessage($trustroot, $processurl, false);
// Display an error if the form markup couldn't be generated; otherwise, render the HTML.
if (Auth_OpenID::isFailure($message)) {
echo $OUTPUT->error_text($message);
// TBD.
exit;
} else {
$formhtml = $message->toFormMarkup($authreq->endpoint->server_url, array('id' => $formid), get_string('continue'));
$html = '<html><head><title>OpenID request</title></head>';
$html .= '<body onload="document.getElementById(\''.$formid.'\').submit();" style="text-align: center;">';
$html .= '<div style="background: lightyellow; border: 1px solid black; margin: 30px 20%; padding: 5px 15px;"><p>';
$html .= get_string('openid_redirecting', 'auth_openid')."</p></div>$formhtml</body></html>";
echo $html;
exit;
}
}
}
/**
* Process an OpenID response
*
* By default, this method uses the print_error() function to display errors
* ... if you want to display errors inline using the notify() function
* you will need to pass true to the $notify_errors argument.
*
* @param boolean $notify_errors Default false
* @return mixed Successful response object or false
*/
function process_response($notify_errors=false) {
global $CFG;
// Create the consumer instance
$store = new Auth_OpenID_FileStore($CFG->dataroot.'/openid');
$consumer = new Auth_OpenID_Consumer($store);
if (!empty($_SESSION['openid_googleapps_domain'])) {
unset($_SESSION['openid_googleapps_domain']);
new GApps_OpenID_Discovery($consumer);
}
$resp = $consumer->complete($_SESSION['openid_process_url']);
unset($_SESSION['openid_process_url']);
// Act based on response status
switch ($resp->status) {
case Auth_OpenID_SUCCESS:
// Auth succeeded
return $resp;
case Auth_OpenID_CANCEL:
// Auth cancelled by user.
if ($notify_errors) {
notify(get_string('auth_openid_user_cancelled', 'auth_openid'));
} else {
print_error('auth_openid_user_cancelled', 'auth_openid');
}
break;
case Auth_OpenID_FAILURE:
// Auth failed for some reason
$sparam = new stdClass;
$sparam->str = openid_get_friendly_message($resp->message);
error_log("/auth/openid/auth.php::process_response() - Auth_OpenID_FAILURE: {$sparam->str}");
if ($notify_errors) {
notify(get_string('auth_openid_login_failed', 'auth_openid',
$sparam));
} else {
print_error('auth_openid_login_failed', 'auth_openid', '',
$sparam);
}
}
return false;
}
/**
* Open user account using SREG & AX data if available
* If no matching user found and create flag is true, creates new user account
*
* @access private
* @param object &$resp An OpenID consumer response object
* @param boolean $create_flag - set if account creation permitted, default: true
* @uses $CFG
* @uses $DB
* @uses $USER
* @uses $openid_tmp_login
* @return object The new user
*/
function _open_account(&$resp, $create_flag = true) {
global $CFG, $DB, $USER, $openid_tmp_login;
$url = $resp->identity_url;
$password = hash_internal_user_password('openid');
$server = $resp->endpoint->server_url;
$user = openid_resp_to_user($resp);
if ($user == false) { // multiple matches to users! Don't know which user to pick.
print_error('auth_openid_multiple_matches', 'auth_openid');
return false; // won't get here.
}
if (isset($user->id)) {
$openid_tmp_login = true;
$openid_action = 'change';
if ($user->auth == 'openid') {
if (empty($this->config->auth_openid_allow_multiple)) {
print_error('auth_openid_no_multiple', 'auth_openid');
return false;
}
$openid_action = 'append';
} else if (empty($this->config->auth_openid_confirm_switch)) {
openid_if_unique_change_account($user, $url);
return $USER;
}
$USER = clone($user); // To clone or not to clone
redirect("{$CFG->wwwroot}/auth/openid/actions.php?openid_tmp_login=1&openid_action={$openid_action}&openid_url={$url}");
// Try to get it not to make second request to be accepted, double confirm - TBD: openid_mode=switch2openid ???
}
if (!$create_flag) {
// Error: This site is configured to disallow new users via OpenID
print_error('auth_openid_require_account', 'auth_openid');
return false; // won't get here.
}
$usertmp = create_user_record($user->username, $password, 'openid');
$user->id = $usertmp->id;
openid_append_url($user, $url);
if (!isset($user->city) || $user->city == '') {
//use "*" as the default city name
$user->city = '*';
}
if (empty($user->country) && !empty($CFG->country)) {
//use the configured default country code
$user->country = $CFG->country;
}
if (empty($user->country)) {
//out of other options, to try to copy the admin's country
if ($admin = get_admin()) {
$user->country = $admin->country;
}
}
$DB->update_record('user', $user);
$user = get_complete_user_data('id', $user->id);
events_trigger('user_created', $user); // Port ELIS-4347
if (function_exists('on_openid_create_account')) {
on_openid_create_account($resp, $user);
}
// Redirect the user to their profile page if not set up properly
$redirect = !empty($user) && (user_not_fully_set_up($user) || empty($user->country));
if ($redirect) {
$USER = clone($user);
$urltogo = $CFG->wwwroot.'/user/edit.php';
redirect($urltogo);
}
if (openid_server_requires_confirm($server, $this->config)) {
$secret = random_string(15);
$DB->set_field('user', 'secret', $secret, array('id' => $user->id));
$user->secret = $secret;
$DB->set_field('user', 'confirmed', 0, array('id' => $user->id));
$user->confirmed = 0;
openid_send_confirmation_email($user);
}
return $user;
}
function compare_useremail_response($user, $response, &$return_email = null)
{
$email = null;
if (empty($user) || empty($user->email))
return true; // cannot compare, assume ok
$sreg_resp = Auth_OpenID_SRegResponse::fromSuccessResponse($response);
$sreg = $sreg_resp->contents();
// Add AX (Attributes Exchange) support
$ax_resp = new Auth_OpenID_AX_FetchResponse();
$ax = $ax_resp->fromSuccessResponse($response);
$email = get_ax_data(AX_SCHEMA_EMAIL, $ax);
if (empty($email) && !empty($sreg['email']))
$email = $sreg['email'];
if ($return_email !== null)
$return_email = $email;
//error_log("/auth/openid/auth.php::compare_useremail_response(): $user->email ?= $email ");
return( !empty($email) ? ($user->email == $email) : true);
}
/**
* Cron function will be called automatically by cron.php every 5 minutes
*/
function cron() {
global $CFG;
$current = time();
// Get previous run timestamp
$previous = get_config('auth/openid', 'lastcleanup');
$interval = $current - $previous;
$intervaldays = floor($interval/(60*60*24));
// Nonce cleanup should be run once per day
// No assocations are created, and thus do not need to be cleaned up
if ($intervaldays >= 1) {
// Create the consumer instance
$store = new Auth_OpenID_FileStore($CFG->dataroot.'/openid');
$store->cleanupNonces();
set_config('lastcleanup', $current, 'auth/openid');
$this->config->lastcleanup = $current;
}
}
}