/**
* Processes and stores configuration data for this authentication plugin.
*/
public function process_config($config)
{
// Set to defaults if undefined.
$providers = provider_list();
foreach ($providers as $providername) {
$clientidname = $providername . 'clientid';
$clientsecretname = $providername . 'clientsecret';
// Set to defaults if undefined.
if (!isset($config->{$clientidname})) {
$config->{$clientidname} = '';
}
if (!isset($config->{$clientsecretname})) {
$config->{$clientsecretname} = '';
}
// Save settings.
set_config($clientidname, $config->{$clientidname}, 'auth/googleoauth2');
set_config($clientsecretname, $config->{$clientsecretname}, 'auth/googleoauth2');
}
if (!isset($config->googleuserprefix)) {
$config->googleuserprefix = 'social_user_';
}
if (!isset($config->oauth2displaybuttons)) {
$config->oauth2displaybuttons = 0;
}
set_config('googleipinfodbkey', $config->googleipinfodbkey, 'auth/googleoauth2');
set_config('googleuserprefix', core_text::strtolower($config->googleuserprefix), 'auth/googleoauth2');
set_config('oauth2displaybuttons', $config->oauth2displaybuttons, 'auth/googleoauth2');
return true;
}
/**
* The very ugly code to render the html buttons.
* TODO remove ugly html like center-tag and inline styles, implement a moodle renderer
* @return string: returns the html for buttons and some JavaScript
*/
function auth_googleoauth2_render_buttons()
{
global $CFG;
$html = '';
if (!is_enabled_auth('googleoauth2')) {
return $html;
}
// Get previous auth provider.
$allauthproviders = optional_param('allauthproviders', false, PARAM_BOOL);
$cookiename = 'MOODLEGOOGLEOAUTH2_' . $CFG->sessioncookie;
$authprovider = '';
if (!empty($_COOKIE[$cookiename])) {
$authprovider = $_COOKIE[$cookiename];
}
$html .= "<div>";
$providerscount = 0;
// TODO get the list from the provider folder instead to hard code it here.
$providers = provider_list();
foreach ($providers as $providername) {
require_once $CFG->dirroot . '/auth/googleoauth2/classes/provider/' . $providername . '.php';
// Load the provider plugin.
$providerclassname = 'provideroauth2' . $providername;
$provider = new $providerclassname();
$authurl = $provider->getAuthorizationUrl();
set_state_token($providername, $provider->state);
// Check if we should display the button.
$providerisenabled = $provider->isenabled();
$providerscount = $providerisenabled ? $providerscount + 1 : $providerscount;
$displayprovider = (empty($authprovider) || $authprovider == $providername || $allauthproviders) && $providerisenabled;
$providerdisplaystyle = $displayprovider ? 'display:inline-block;padding:10px;' : 'display:none;';
// The button html code.
$html .= $provider->html_button($authurl, $providerdisplaystyle);
}
if (!$allauthproviders and !empty($authprovider) and $providerscount > 1) {
$html .= '<br /><br />
<div class="moreproviderlink">
<a href="' . $CFG->wwwroot . (!empty($CFG->alternateloginurl) ? $CFG->alternateloginurl : '/login/index.php') . '?allauthproviders=true' . '" onclick="changecss(\\\'singinprovider\\\',\\\'display\\\',\\\'inline-block\\\');">
' . get_string('moreproviderlink', 'auth_googleoauth2') . '
</a>
</div>';
}
return $html;
}
