/**
* 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.
*/
function loginpage_hook()
{
global $CFG;
global $frm, $user;
// Login page variables
// If the OpenID server isn't defined, don't do anything
if (empty($this->config->openid_sso_url) || $this->manual_override()) {
return;
}
$mode = optional_param('openid_mode', null);
$allow_append = $this->config->auth_openid_allow_muliple == 'true';
if ($mode == null) {
// If openid.mode isn't defined, initiate a request
$this->do_request();
} else {
// Otherwise, we'll assume this is a response
$resp = $this->process_response();
if ($resp !== false) {
$url = $resp->identity_url;
if (record_exists('openid_urls', 'url', $url)) {
// Get the user associated with the OpenID
$userid = get_field('openid_urls', 'userid', 'url', $url);
$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) {
delete_records('openid_urls', 'url', $url);
$user = $this->_create_account($resp);
} elseif (function_exists('on_openid_login')) {
on_openid_login($resp, $user);
}
} else {
// Otherwise, create a new account
$user = $this->_create_account($resp);
}
$frm->username = $user->username;
$frm->password = $user->password;
}
}
}
/**
* 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.
*/
function loginpage_hook()
{
global $CFG;
global $frm, $user;
// Login page variables
$admin = optional_param('admin', null);
$openid_url = optional_param('openid_url', null);
$mode = optional_param('openid_mode', null);
$allow_append = $this->config->auth_openid_allow_muliple == 'true';
// Check for OpenID login override 'admin=true'
if (!empty($admin) && $admin == 'true') {
return;
}
// We need to use our OpenID login form
if (empty($CFG->alternateloginurl)) {
$CFG->alternateloginurl = $CFG->wwwroot . '/auth/openid/login.php';
}
if ($mode == null && $openid_url != 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($SESSION->wantsurl)) {
//error_log("/auth/openid/auth.php::loginpage_hook() - clearing wantsurl {$SESSION->wantsurl}");
unset($SESSION->wantsurl);
}
$url = $resp->identity_url;
$server = $resp->endpoint->server_url;
if (!openid_server_allowed($server, $this->config)) {
print_error('auth_openid_server_blacklisted', 'auth_openid', '', $server);
}
logout_guestuser();
if (record_exists('openid_urls', 'url', $url)) {
// Get the user associated with the OpenID
$userid = get_field('openid_urls', 'userid', 'url', $url);
$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) {
delete_records('openid_urls', 'url', $url);
$user = $this->_open_account($resp);
} 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->username = $user->username;
$frm->password = $user->password;
}
}
}
}
/**
* 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.
*/
function loginpage_hook()
{
// allow regular login form to be displayed if admin=true is appended to login URL
if (optional_param('admin', null) != null) {
return;
}
global $CFG;
global $frm, $user;
// Login page variables
$openid_url = optional_param('openid_url', null);
//if( $openid_url ) { $openid_url = "http://hotdog.ccnmtl.columbia.edu:4444/" . $openid_url . "/"; };
$mode = optional_param('openid_mode', null);
$allow_append = $this->config->auth_openid_allow_muliple == 'true';
// We need to use our OpenID login form
if (empty($CFG->alternateloginurl)) {
$CFG->alternateloginurl = $CFG->wwwroot . '/auth/openid/login.php';
}
if ($mode == null && $openid_url != 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) {
$url = $resp->identity_url;
$server = $resp->endpoint->server_url;
if (openid_server_is_blacklisted($server)) {
error(get_string('auth_openid_server_blacklisted', 'auth_openid', $server));
} elseif (record_exists('openid_urls', 'url', $url)) {
// Get the user associated with the OpenID
echo "User found for " . $url;
$userid = get_field('openid_urls', 'userid', 'url', $url);
$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) {
echo "User was missing";
delete_records('openid_urls', 'url', $url);
$user = $this->_create_account($resp);
} elseif (function_exists('on_openid_login')) {
on_openid_login($resp, $user);
}
} else {
// Otherwise, create a new account
$user = $this->_create_account($resp);
}
$frm->username = $user->username;
$frm->password = $user->password;
}
}
}
