gnu-social/plugins/OpenID/finishaddopenid.php

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<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* Complete adding an OpenID
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Settings
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @copyright 2008-2009 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/lib/openid.php';
/**
* Complete adding an OpenID
*
* Handle the return from an OpenID verification
*
* @category Settings
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
class FinishaddopenidAction extends Action
{
var $msg = null;
/**
* Handle the redirect back from OpenID confirmation
*
* Check to see if the user's logged in, and then try
* to use the OpenID login system.
*
* @param array $args $_REQUEST arguments
*
* @return void
*/
function handle($args)
{
parent::handle($args);
if (!common_logged_in()) {
$this->clientError(_('Not logged in.'));
} else {
$this->tryLogin();
}
}
/**
* Try to log in using OpenID
*
* Check the OpenID for validity; potentially store it.
*
* @return void
*/
function tryLogin()
{
$consumer =& oid_consumer();
$response = $consumer->complete(common_local_url('finishaddopenid'));
if ($response->status == Auth_OpenID_CANCEL) {
$this->message(_('OpenID authentication cancelled.'));
return;
} else if ($response->status == Auth_OpenID_FAILURE) {
// Authentication failed; display the error message.
$this->message(sprintf(_('OpenID authentication failed: %s'),
$response->message));
} else if ($response->status == Auth_OpenID_SUCCESS) {
$display = $response->getDisplayIdentifier();
$canonical = ($response->endpoint && $response->endpoint->canonicalID) ?
$response->endpoint->canonicalID : $display;
$sreg_resp = Auth_OpenID_SRegResponse::fromSuccessResponse($response);
if ($sreg_resp) {
$sreg = $sreg_resp->contents();
}
$cur =& common_current_user();
$other = oid_get_user($canonical);
if ($other) {
if ($other->id == $cur->id) {
$this->message(_('You already have this OpenID!'));
} else {
$this->message(_('Someone else already has this OpenID.'));
}
return;
}
// start a transaction
$cur->query('BEGIN');
$result = oid_link_user($cur->id, $canonical, $display);
if (!$result) {
$this->message(_('Error connecting user.'));
return;
}
if ($sreg) {
if (!oid_update_user($cur, $sreg)) {
$this->message(_('Error updating profile'));
return;
}
}
// success!
$cur->query('COMMIT');
oid_set_last($display);
common_redirect(common_local_url('openidsettings'), 303);
}
}
/**
* Show a failure message
*
* Something went wrong. Save the message, and show the page.
*
* @param string $msg Error message to show
*
* @return void
*/
function message($msg)
{
$this->message = $msg;
$this->showPage();
}
/**
* Title of the page
*
* @return string title
*/
function title()
{
return _('OpenID Login');
}
/**
* Show error message
*
* @return void
*/
function showPageNotice()
{
if ($this->message) {
$this->element('p', 'error', $this->message);
}
}
}