462 lines
15 KiB
PHP
462 lines
15 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet, the distributed open-source microblogging tool
|
|
*
|
|
* Plugin to enable Facebook Connect
|
|
*
|
|
* 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 Plugin
|
|
* @package StatusNet
|
|
* @author Zach Copley <zach@status.net>
|
|
* @copyright 2009 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
|
|
require_once INSTALLDIR . '/plugins/FBConnect/FBConnectPlugin.php';
|
|
|
|
class FBConnectauthAction extends Action
|
|
{
|
|
var $fbuid = null;
|
|
var $fb_fields = null;
|
|
|
|
function prepare($args) {
|
|
parent::prepare($args);
|
|
|
|
$this->fbuid = getFacebook()->get_loggedin_user();
|
|
|
|
if ($this->fbuid > 0) {
|
|
$this->fb_fields = $this->getFacebookFields($this->fbuid,
|
|
array('first_name', 'last_name', 'name'));
|
|
} else {
|
|
list($proxy, $ip) = common_client_ip();
|
|
|
|
common_log(LOG_WARNING, 'Facebook Connect Plugin - ' .
|
|
"Failed auth attempt, proxy = $proxy, ip = $ip.");
|
|
|
|
$this->clientError(_('You must be logged into Facebook to ' .
|
|
'use Facebook Connect.'));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function handle($args)
|
|
{
|
|
parent::handle($args);
|
|
|
|
if (common_is_real_login()) {
|
|
|
|
// User is already logged in. Does she already have a linked Facebook acct?
|
|
$flink = Foreign_link::getByForeignID($this->fbuid, FACEBOOK_CONNECT_SERVICE);
|
|
|
|
if (!empty($flink)) {
|
|
|
|
// User already has a linked Facebook account and shouldn't be here
|
|
common_debug('Facebook Connect Plugin - ' .
|
|
'There is already a local user (' . $flink->user_id .
|
|
') linked with this Facebook (' . $this->fbuid . ').');
|
|
|
|
// We don't want these cookies
|
|
getFacebook()->clear_cookie_state();
|
|
|
|
$this->clientError(_('There is already a local user linked with this Facebook.'));
|
|
|
|
} else {
|
|
|
|
// User came from the Facebook connect settings tab, and
|
|
// probably just wants to link/relink their Facebook account
|
|
$this->connectUser();
|
|
}
|
|
|
|
} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
|
|
|
|
$token = $this->trimmed('token');
|
|
if (!$token || $token != common_session_token()) {
|
|
$this->showForm(_('There was a problem with your session token. Try again, please.'));
|
|
return;
|
|
}
|
|
if ($this->arg('create')) {
|
|
if (!$this->boolean('license')) {
|
|
$this->showForm(_('You can\'t register if you don\'t agree to the license.'),
|
|
$this->trimmed('newname'));
|
|
return;
|
|
}
|
|
$this->createNewUser();
|
|
} else if ($this->arg('connect')) {
|
|
$this->connectNewUser();
|
|
} else {
|
|
common_debug('Facebook Connect Plugin - ' .
|
|
print_r($this->args, true));
|
|
$this->showForm(_('Something weird happened.'),
|
|
$this->trimmed('newname'));
|
|
}
|
|
} else {
|
|
$this->tryLogin();
|
|
}
|
|
}
|
|
|
|
function showPageNotice()
|
|
{
|
|
if ($this->error) {
|
|
$this->element('div', array('class' => 'error'), $this->error);
|
|
} else {
|
|
$this->element('div', 'instructions',
|
|
sprintf(_('This is the first time you\'ve logged into %s so we must connect your Facebook to a local account. You can either create a new account, or connect with your existing account, if you have one.'), common_config('site', 'name')));
|
|
}
|
|
}
|
|
|
|
function title()
|
|
{
|
|
return _('Facebook Account Setup');
|
|
}
|
|
|
|
function showForm($error=null, $username=null)
|
|
{
|
|
$this->error = $error;
|
|
$this->username = $username;
|
|
|
|
$this->showPage();
|
|
}
|
|
|
|
function showPage()
|
|
{
|
|
parent::showPage();
|
|
}
|
|
|
|
function showContent()
|
|
{
|
|
if (!empty($this->message_text)) {
|
|
$this->element('p', null, $this->message);
|
|
return;
|
|
}
|
|
|
|
$this->elementStart('form', array('method' => 'post',
|
|
'id' => 'form_settings_facebook_connect',
|
|
'class' => 'form_settings',
|
|
'action' => common_local_url('FBConnectAuth')));
|
|
$this->elementStart('fieldset', array('id' => 'settings_facebook_connect_options'));
|
|
$this->element('legend', null, _('Connection options'));
|
|
$this->elementStart('ul', 'form_data');
|
|
$this->elementStart('li');
|
|
$this->element('input', array('type' => 'checkbox',
|
|
'id' => 'license',
|
|
'class' => 'checkbox',
|
|
'name' => 'license',
|
|
'value' => 'true'));
|
|
$this->elementStart('label', array('class' => 'checkbox', 'for' => 'license'));
|
|
$this->text(_('My text and files are available under '));
|
|
$this->element('a', array('href' => common_config('license', 'url')),
|
|
common_config('license', 'title'));
|
|
$this->text(_(' except this private data: password, email address, IM address, phone number.'));
|
|
$this->elementEnd('label');
|
|
$this->elementEnd('li');
|
|
$this->elementEnd('ul');
|
|
|
|
$this->elementStart('fieldset');
|
|
$this->hidden('token', common_session_token());
|
|
$this->element('legend', null,
|
|
_('Create new account'));
|
|
$this->element('p', null,
|
|
_('Create a new user with this nickname.'));
|
|
$this->elementStart('ul', 'form_data');
|
|
$this->elementStart('li');
|
|
$this->input('newname', _('New nickname'),
|
|
($this->username) ? $this->username : '',
|
|
_('1-64 lowercase letters or numbers, no punctuation or spaces'));
|
|
$this->elementEnd('li');
|
|
$this->elementEnd('ul');
|
|
$this->submit('create', _('Create'));
|
|
$this->elementEnd('fieldset');
|
|
|
|
$this->elementStart('fieldset');
|
|
$this->element('legend', null,
|
|
_('Connect existing account'));
|
|
$this->element('p', null,
|
|
_('If you already have an account, login with your username and password to connect it to your Facebook.'));
|
|
$this->elementStart('ul', 'form_data');
|
|
$this->elementStart('li');
|
|
$this->input('nickname', _('Existing nickname'));
|
|
$this->elementEnd('li');
|
|
$this->elementStart('li');
|
|
$this->password('password', _('Password'));
|
|
$this->elementEnd('li');
|
|
$this->elementEnd('ul');
|
|
$this->submit('connect', _('Connect'));
|
|
$this->elementEnd('fieldset');
|
|
|
|
$this->elementEnd('fieldset');
|
|
$this->elementEnd('form');
|
|
}
|
|
|
|
function message($msg)
|
|
{
|
|
$this->message_text = $msg;
|
|
$this->showPage();
|
|
}
|
|
|
|
function createNewUser()
|
|
{
|
|
if (common_config('site', 'closed')) {
|
|
$this->clientError(_('Registration not allowed.'));
|
|
return;
|
|
}
|
|
|
|
$invite = null;
|
|
|
|
if (common_config('site', 'inviteonly')) {
|
|
$code = $_SESSION['invitecode'];
|
|
if (empty($code)) {
|
|
$this->clientError(_('Registration not allowed.'));
|
|
return;
|
|
}
|
|
|
|
$invite = Invitation::staticGet($code);
|
|
|
|
if (empty($invite)) {
|
|
$this->clientError(_('Not a valid invitation code.'));
|
|
return;
|
|
}
|
|
}
|
|
|
|
$nickname = $this->trimmed('newname');
|
|
|
|
if (!Validate::string($nickname, array('min_length' => 1,
|
|
'max_length' => 64,
|
|
'format' => NICKNAME_FMT))) {
|
|
$this->showForm(_('Nickname must have only lowercase letters and numbers and no spaces.'));
|
|
return;
|
|
}
|
|
|
|
if (!User::allowed_nickname($nickname)) {
|
|
$this->showForm(_('Nickname not allowed.'));
|
|
return;
|
|
}
|
|
|
|
if (User::staticGet('nickname', $nickname)) {
|
|
$this->showForm(_('Nickname already in use. Try another one.'));
|
|
return;
|
|
}
|
|
|
|
$fullname = trim($this->fb_fields['firstname'] .
|
|
' ' . $this->fb_fields['lastname']);
|
|
|
|
$args = array('nickname' => $nickname, 'fullname' => $fullname);
|
|
|
|
if (!empty($invite)) {
|
|
$args['code'] = $invite->code;
|
|
}
|
|
|
|
$user = User::register($args);
|
|
|
|
$result = $this->flinkUser($user->id, $this->fbuid);
|
|
|
|
if (!$result) {
|
|
$this->serverError(_('Error connecting user to Facebook.'));
|
|
return;
|
|
}
|
|
|
|
common_set_user($user);
|
|
common_real_login(true);
|
|
|
|
common_debug('Facebook Connect Plugin - ' .
|
|
"Registered new user $user->id from Facebook user $this->fbuid");
|
|
|
|
common_redirect(common_local_url('showstream', array('nickname' => $user->nickname)),
|
|
303);
|
|
}
|
|
|
|
function connectNewUser()
|
|
{
|
|
$nickname = $this->trimmed('nickname');
|
|
$password = $this->trimmed('password');
|
|
|
|
if (!common_check_user($nickname, $password)) {
|
|
$this->showForm(_('Invalid username or password.'));
|
|
return;
|
|
}
|
|
|
|
$user = User::staticGet('nickname', $nickname);
|
|
|
|
if (!empty($user)) {
|
|
common_debug('Facebook Connect Plugin - ' .
|
|
"Legit user to connect to Facebook: $nickname");
|
|
}
|
|
|
|
$result = $this->flinkUser($user->id, $this->fbuid);
|
|
|
|
if (!$result) {
|
|
$this->serverError(_('Error connecting user to Facebook.'));
|
|
return;
|
|
}
|
|
|
|
common_debug('Facebook Connnect Plugin - ' .
|
|
"Connected Facebook user $this->fbuid to local user $user->id");
|
|
|
|
common_set_user($user);
|
|
common_real_login(true);
|
|
|
|
$this->goHome($user->nickname);
|
|
}
|
|
|
|
function connectUser()
|
|
{
|
|
$user = common_current_user();
|
|
|
|
$result = $this->flinkUser($user->id, $this->fbuid);
|
|
|
|
if (empty($result)) {
|
|
$this->serverError(_('Error connecting user to Facebook.'));
|
|
return;
|
|
}
|
|
|
|
common_debug('Facebook Connect Plugin - ' .
|
|
"Connected Facebook user $this->fbuid to local user $user->id");
|
|
|
|
// Return to Facebook connection settings tab
|
|
common_redirect(common_local_url('FBConnectSettings'), 303);
|
|
}
|
|
|
|
function tryLogin()
|
|
{
|
|
common_debug('Facebook Connect Plugin - ' .
|
|
"Trying login for Facebook user $this->fbuid.");
|
|
|
|
$flink = Foreign_link::getByForeignID($this->fbuid, FACEBOOK_CONNECT_SERVICE);
|
|
|
|
if (!empty($flink)) {
|
|
$user = $flink->getUser();
|
|
|
|
if (!empty($user)) {
|
|
|
|
common_debug('Facebook Connect Plugin - ' .
|
|
"Logged in Facebook user $flink->foreign_id as user $user->id ($user->nickname)");
|
|
|
|
common_set_user($user);
|
|
common_real_login(true);
|
|
$this->goHome($user->nickname);
|
|
}
|
|
|
|
} else {
|
|
|
|
common_debug('Facebook Connect Plugin - ' .
|
|
"No flink found for fbuid: $this->fbuid - new user");
|
|
|
|
$this->showForm(null, $this->bestNewNickname());
|
|
}
|
|
}
|
|
|
|
function goHome($nickname)
|
|
{
|
|
$url = common_get_returnto();
|
|
if ($url) {
|
|
// We don't have to return to it again
|
|
common_set_returnto(null);
|
|
} else {
|
|
$url = common_local_url('all',
|
|
array('nickname' =>
|
|
$nickname));
|
|
}
|
|
|
|
common_redirect($url, 303);
|
|
}
|
|
|
|
function flinkUser($user_id, $fbuid)
|
|
{
|
|
$flink = new Foreign_link();
|
|
$flink->user_id = $user_id;
|
|
$flink->foreign_id = $fbuid;
|
|
$flink->service = FACEBOOK_CONNECT_SERVICE;
|
|
$flink->created = common_sql_now();
|
|
|
|
$flink_id = $flink->insert();
|
|
|
|
return $flink_id;
|
|
}
|
|
|
|
function bestNewNickname()
|
|
{
|
|
if (!empty($this->fb_fields['name'])) {
|
|
$nickname = $this->nicknamize($this->fb_fields['name']);
|
|
if ($this->isNewNickname($nickname)) {
|
|
return $nickname;
|
|
}
|
|
}
|
|
|
|
// Try the full name
|
|
|
|
$fullname = trim($this->fb_fields['firstname'] .
|
|
' ' . $this->fb_fields['lastname']);
|
|
|
|
if (!empty($fullname)) {
|
|
$fullname = $this->nicknamize($fullname);
|
|
if ($this->isNewNickname($fullname)) {
|
|
return $fullname;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// Given a string, try to make it work as a nickname
|
|
|
|
function nicknamize($str)
|
|
{
|
|
$str = preg_replace('/\W/', '', $str);
|
|
return strtolower($str);
|
|
}
|
|
|
|
function isNewNickname($str)
|
|
{
|
|
if (!Validate::string($str, array('min_length' => 1,
|
|
'max_length' => 64,
|
|
'format' => NICKNAME_FMT))) {
|
|
return false;
|
|
}
|
|
if (!User::allowed_nickname($str)) {
|
|
return false;
|
|
}
|
|
if (User::staticGet('nickname', $str)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// XXX: Consider moving this to lib/facebookutil.php
|
|
function getFacebookFields($fb_uid, $fields) {
|
|
try {
|
|
|
|
$facebook = getFacebook();
|
|
|
|
$infos = $facebook->api_client->users_getInfo($fb_uid, $fields);
|
|
|
|
if (empty($infos)) {
|
|
return null;
|
|
}
|
|
return reset($infos);
|
|
|
|
} catch (Exception $e) {
|
|
common_log(LOG_WARNING, 'Facebook Connect Plugin - ' .
|
|
"Facebook client failure when requesting " .
|
|
join(",", $fields) . " on uid " . $fb_uid .
|
|
" : ". $e->getMessage());
|
|
return null;
|
|
}
|
|
}
|
|
|
|
}
|