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path: root/mod/openid.php
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<?php


require_once('library/openid.php');


function openid_content(&$a) {

	$noid = get_config('system','no_openid');
	if($noid)
		goaway(z_root());

	logger('mod_openid ' . print_r($_REQUEST,true), LOGGER_DATA);

	if((x($_GET,'openid_mode')) && (x($_SESSION,'openid'))) {
		$openid = new LightOpenID;

		if($openid->validate()) {

			if(x($_SESSION,'register')) {
				unset($_SESSION['register']);
				$args = '';
				$attr = $openid->getAttributes();
				if(is_array($attr) && count($attr)) {
					foreach($attr as $k => $v) {
						if($k === 'namePerson/friendly')
							$nick = notags(trim($v));
						if($k === 'namePerson/first')
							$first = notags(trim($v));
						if($k === 'namePerson')
							$args .= '&username=' . notags(trim($v));
						if($k === 'contact/email')
							$args .= '&email=' . notags(trim($v));
						if($k === 'media/image/aspect11')
							$photosq = bin2hex(trim($v));
						if($k === 'media/image/default')
							$photo = bin2hex(trim($v));
					}
				}
				if($nick)
					$args .= '&nickname=' . $nick;
				elseif($first)
					$args .= '&nickname=' . $first;

				if($photosq)
					$args .= '&photo=' . $photosq;
				elseif($photo)
					$args .= '&photo=' . $photo;

				$args .= '&openid_url=' . notags(trim($_SESSION['openid']));
				if($a->config['register_policy'] != REGISTER_CLOSED)
					goaway($a->get_baseurl() . '/register' . $args);
				else
					goaway(z_root());

				// NOTREACHED
			} 

			$authid = normalise_openid($_REQUEST['openid_identity']);
			if(! strlen($authid))
				goaway(z_root());


			$r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey` 
				FROM `user` WHERE `openid` = '%s' AND `blocked` = 0 AND `account_expired` = 0 AND `verified` = 1 LIMIT 1",
				dbesc($authid)
			);

			if(! count($r)) {
				notice( t('Login failed.') . EOL );
				goaway(z_root());
  			}
			unset($_SESSION['openid']);

			require_once('include/security.php');
			authenticate_success($r[0],true,true);

			// just in case there was no return url set 
			// and we fell through

			goaway(z_root());
		}
	}
	notice( t('Login failed.') . EOL);
	goaway(z_root());
	// NOTREACHED
}