675 lines
23 KiB
PHP
675 lines
23 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet, the distributed open-source microblogging tool
|
|
*
|
|
* Class for doing OAuth authentication against Twitter
|
|
*
|
|
* 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>
|
|
* @author Julien C <chaumond@gmail.com>
|
|
* @copyright 2009-2010 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/
|
|
*/
|
|
|
|
if (!defined('GNUSOCIAL') && !defined('STATUSNET')) { exit(1); }
|
|
|
|
require_once dirname(__DIR__) . '/twitter.php';
|
|
|
|
/**
|
|
* Class for doing OAuth authentication against Twitter
|
|
*
|
|
* Peforms the OAuth "dance" between StatusNet and Twitter -- requests a token,
|
|
* authorizes it, and exchanges it for an access token. It also creates a link
|
|
* (Foreign_link) between the StatusNet user and Twitter user and stores the
|
|
* access token and secret in the link.
|
|
*
|
|
* @category Plugin
|
|
* @package StatusNet
|
|
* @author Zach Copley <zach@status.net>
|
|
* @author Julien C <chaumond@gmail.com>
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://status.net/
|
|
*
|
|
*/
|
|
class TwitterauthorizationAction extends Action
|
|
{
|
|
var $twuid = null;
|
|
var $tw_fields = null;
|
|
var $access_token = null;
|
|
var $signin = null;
|
|
var $verifier = null;
|
|
|
|
/**
|
|
* Initialize class members. Looks for 'oauth_token' parameter.
|
|
*
|
|
* @param array $args misc. arguments
|
|
*
|
|
* @return boolean true
|
|
*/
|
|
function prepare($args)
|
|
{
|
|
parent::prepare($args);
|
|
|
|
$this->signin = $this->boolean('signin');
|
|
$this->oauth_token = $this->arg('oauth_token');
|
|
$this->verifier = $this->arg('oauth_verifier');
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Handler method
|
|
*
|
|
* @param array $args is ignored since it's now passed in in prepare()
|
|
*
|
|
* @return nothing
|
|
*/
|
|
function handle($args)
|
|
{
|
|
parent::handle($args);
|
|
|
|
if (common_logged_in()) {
|
|
$user = common_current_user();
|
|
$flink = Foreign_link::getByUserID($user->id, TWITTER_SERVICE);
|
|
|
|
// If there's already a foreign link record and a foreign user
|
|
// it means the accounts are already linked, and this is unecessary.
|
|
// So go back.
|
|
|
|
if (isset($flink)) {
|
|
$fuser = $flink->getForeignUser();
|
|
if (!empty($fuser)) {
|
|
common_redirect(common_local_url('twittersettings'));
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
|
|
|
|
// User was not logged in to StatusNet before
|
|
|
|
$this->twuid = $this->trimmed('twuid');
|
|
|
|
$this->tw_fields = array('screen_name' => $this->trimmed('tw_fields_screen_name'),
|
|
'fullname' => $this->trimmed('tw_fields_fullname'));
|
|
|
|
$this->access_token = new OAuthToken($this->trimmed('access_token_key'), $this->trimmed('access_token_secret'));
|
|
|
|
$token = $this->trimmed('token');
|
|
|
|
if (!$token || $token != common_session_token()) {
|
|
// TRANS: Client error displayed when the session token does not match or is not given.
|
|
$this->showForm(_m('There was a problem with your session token. Try again, please.'));
|
|
return;
|
|
}
|
|
|
|
if ($this->arg('create')) {
|
|
if (!$this->boolean('license')) {
|
|
// TRANS: Form validation error displayed when the checkbox to agree to the license has not been checked.
|
|
$this->showForm(_m('You cannot register if you do not agree to the license.'),
|
|
$this->trimmed('newname'));
|
|
return;
|
|
}
|
|
$this->createNewUser();
|
|
} else if ($this->arg('connect')) {
|
|
$this->connectNewUser();
|
|
} else {
|
|
common_debug('Twitter bridge - ' . print_r($this->args, true));
|
|
// TRANS: Form validation error displayed when an unhandled error occurs.
|
|
$this->showForm(_m('Something weird happened.'),
|
|
$this->trimmed('newname'));
|
|
}
|
|
} else {
|
|
// $this->oauth_token is only populated once Twitter authorizes our
|
|
// request token. If it's empty we're at the beginning of the auth
|
|
// process
|
|
|
|
if (empty($this->oauth_token)) {
|
|
$this->authorizeRequestToken();
|
|
} else {
|
|
$this->saveAccessToken();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Asks Twitter for a request token, and then redirects to Twitter
|
|
* to authorize it.
|
|
*
|
|
* @return nothing
|
|
*/
|
|
function authorizeRequestToken()
|
|
{
|
|
try {
|
|
// Get a new request token and authorize it
|
|
|
|
$client = new TwitterOAuthClient();
|
|
$req_tok = $client->getRequestToken();
|
|
|
|
// Sock the request token away in the session temporarily
|
|
|
|
$_SESSION['twitter_request_token'] = $req_tok->key;
|
|
$_SESSION['twitter_request_token_secret'] = $req_tok->secret;
|
|
|
|
$auth_link = $client->getAuthorizeLink($req_tok, $this->signin);
|
|
} catch (OAuthClientException $e) {
|
|
$msg = sprintf(
|
|
'OAuth client error - code: %1s, msg: %2s',
|
|
$e->getCode(),
|
|
$e->getMessage()
|
|
);
|
|
common_log(LOG_INFO, 'Twitter bridge - ' . $msg);
|
|
$this->serverError(
|
|
// TRANS: Server error displayed when linking to a Twitter account fails.
|
|
_m('Could not link your Twitter account.')
|
|
);
|
|
}
|
|
|
|
common_redirect($auth_link);
|
|
}
|
|
|
|
/**
|
|
* Called when Twitter returns an authorized request token. Exchanges
|
|
* it for an access token and stores it.
|
|
*
|
|
* @return nothing
|
|
*/
|
|
function saveAccessToken()
|
|
{
|
|
// Check to make sure Twitter returned the same request
|
|
// token we sent them
|
|
|
|
if ($_SESSION['twitter_request_token'] != $this->oauth_token) {
|
|
$this->serverError(
|
|
// TRANS: Server error displayed when linking to a Twitter account fails because of an incorrect oauth_token.
|
|
_m('Could not link your Twitter account: oauth_token mismatch.')
|
|
);
|
|
}
|
|
|
|
$twitter_user = null;
|
|
|
|
try {
|
|
|
|
$client = new TwitterOAuthClient($_SESSION['twitter_request_token'],
|
|
$_SESSION['twitter_request_token_secret']);
|
|
|
|
// Exchange the request token for an access token
|
|
|
|
$atok = $client->getAccessToken($this->verifier);
|
|
|
|
// Test the access token and get the user's Twitter info
|
|
|
|
$client = new TwitterOAuthClient($atok->key, $atok->secret);
|
|
$twitter_user = $client->verifyCredentials();
|
|
|
|
} catch (OAuthClientException $e) {
|
|
$msg = sprintf(
|
|
'OAuth client error - code: %1$s, msg: %2$s',
|
|
$e->getCode(),
|
|
$e->getMessage()
|
|
);
|
|
common_log(LOG_INFO, 'Twitter bridge - ' . $msg);
|
|
$this->serverError(
|
|
// TRANS: Server error displayed when linking to a Twitter account fails.
|
|
_m('Could not link your Twitter account.')
|
|
);
|
|
}
|
|
|
|
if (common_logged_in()) {
|
|
// Save the access token and Twitter user info
|
|
|
|
$user = common_current_user();
|
|
$this->saveForeignLink($user->id, $twitter_user->id, $atok);
|
|
save_twitter_user($twitter_user->id, $twitter_user->screen_name);
|
|
|
|
} else {
|
|
|
|
$this->twuid = $twitter_user->id;
|
|
$this->tw_fields = array("screen_name" => $twitter_user->screen_name,
|
|
"fullname" => $twitter_user->name);
|
|
$this->access_token = $atok;
|
|
$this->tryLogin();
|
|
}
|
|
|
|
// Clean up the the mess we made in the session
|
|
|
|
unset($_SESSION['twitter_request_token']);
|
|
unset($_SESSION['twitter_request_token_secret']);
|
|
|
|
if (common_logged_in()) {
|
|
common_redirect(common_local_url('twittersettings'));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Saves a Foreign_link between Twitter user and local user,
|
|
* which includes the access token and secret.
|
|
*
|
|
* @param int $user_id StatusNet user ID
|
|
* @param int $twuid Twitter user ID
|
|
* @param OAuthToken $token the access token to save
|
|
*
|
|
* @return nothing
|
|
*/
|
|
function saveForeignLink($user_id, $twuid, $access_token)
|
|
{
|
|
$flink = new Foreign_link();
|
|
|
|
$flink->user_id = $user_id;
|
|
$flink->service = TWITTER_SERVICE;
|
|
|
|
// delete stale flink, if any
|
|
$result = $flink->find(true);
|
|
|
|
if (!empty($result)) {
|
|
$flink->safeDelete();
|
|
}
|
|
|
|
$flink->user_id = $user_id;
|
|
$flink->foreign_id = $twuid;
|
|
$flink->service = TWITTER_SERVICE;
|
|
|
|
$creds = TwitterOAuthClient::packToken($access_token);
|
|
|
|
$flink->credentials = $creds;
|
|
$flink->created = common_sql_now();
|
|
|
|
// Defaults: noticesync on, everything else off
|
|
|
|
$flink->set_flags(true, false, false, false);
|
|
|
|
$flink_id = $flink->insert();
|
|
|
|
if (empty($flink_id)) {
|
|
common_log_db_error($flink, 'INSERT', __FILE__);
|
|
// TRANS: Server error displayed when linking to a Twitter account fails.
|
|
$this->serverError(_m('Could not link your Twitter account.'));
|
|
}
|
|
|
|
return $flink_id;
|
|
}
|
|
|
|
function showPageNotice()
|
|
{
|
|
if ($this->error) {
|
|
$this->element('div', array('class' => 'error'), $this->error);
|
|
} else {
|
|
$this->element('div', 'instructions',
|
|
// TRANS: Page instruction. %s is the StatusNet sitename.
|
|
sprintf(_m('This is the first time you have logged into %s so we must connect your Twitter account to a local account. You can either create a new account, or connect with your existing account, if you have one.'), common_config('site', 'name')));
|
|
}
|
|
}
|
|
|
|
function title()
|
|
{
|
|
// TRANS: Page title.
|
|
return _m('Twitter Account Setup');
|
|
}
|
|
|
|
function showForm($error=null, $username=null)
|
|
{
|
|
$this->error = $error;
|
|
$this->username = $username;
|
|
|
|
$this->showPage();
|
|
}
|
|
|
|
function showPage()
|
|
{
|
|
parent::showPage();
|
|
}
|
|
|
|
/**
|
|
* @fixme much of this duplicates core code, which is very fragile.
|
|
* Should probably be replaced with an extensible mini version of
|
|
* the core registration form.
|
|
*/
|
|
function showContent()
|
|
{
|
|
if (!empty($this->message_text)) {
|
|
$this->element('p', null, $this->message);
|
|
return;
|
|
}
|
|
|
|
$this->elementStart('form', array('method' => 'post',
|
|
'id' => 'form_settings_twitter_connect',
|
|
'class' => 'form_settings',
|
|
'action' => common_local_url('twitterauthorization')));
|
|
$this->elementStart('fieldset', array('id' => 'settings_twitter_connect_options'));
|
|
// TRANS: Fieldset legend.
|
|
$this->element('legend', null, _m('Connection options'));
|
|
|
|
$this->hidden('access_token_key', $this->access_token->key);
|
|
$this->hidden('access_token_secret', $this->access_token->secret);
|
|
$this->hidden('twuid', $this->twuid);
|
|
$this->hidden('tw_fields_screen_name', $this->tw_fields['screen_name']);
|
|
$this->hidden('tw_fields_name', $this->tw_fields['fullname']);
|
|
$this->hidden('token', common_session_token());
|
|
|
|
// Don't allow new account creation if site is flagged as invite only
|
|
if (common_config('site', 'inviteonly') == false) {
|
|
$this->elementStart('fieldset');
|
|
$this->element('legend', null,
|
|
// TRANS: Fieldset legend.
|
|
_m('Create new account'));
|
|
$this->element('p', null,
|
|
// TRANS: Sub form introduction text.
|
|
_m('Create a new user with this nickname.'));
|
|
$this->elementStart('ul', 'form_data');
|
|
|
|
// Hook point for captcha etc
|
|
Event::handle('StartRegistrationFormData', array($this));
|
|
|
|
$this->elementStart('li');
|
|
// TRANS: Field label.
|
|
$this->input('newname', _m('New nickname'),
|
|
($this->username) ? $this->username : '',
|
|
// TRANS: Field title for nickname field.
|
|
_m('1-64 lowercase letters or numbers, no punctuation or spaces.'));
|
|
$this->elementEnd('li');
|
|
$this->elementStart('li');
|
|
// TRANS: Field label.
|
|
$this->input('email', _m('LABEL','Email'), $this->getEmail(),
|
|
// TRANS: Field title for e-mail address field.
|
|
_m('Used only for updates, announcements, '.
|
|
'and password recovery'));
|
|
$this->elementEnd('li');
|
|
|
|
// Hook point for captcha etc
|
|
Event::handle('EndRegistrationFormData', array($this));
|
|
|
|
$this->elementEnd('ul');
|
|
// TRANS: Button text for creating a new StatusNet account in the Twitter connect page.
|
|
$this->submit('create', _m('BUTTON','Create'));
|
|
$this->elementEnd('fieldset');
|
|
}
|
|
|
|
$this->elementStart('fieldset');
|
|
$this->element('legend', null,
|
|
// TRANS: Fieldset legend.
|
|
_m('Connect existing account'));
|
|
$this->element('p', null,
|
|
// TRANS: Sub form introduction text.
|
|
_m('If you already have an account, login with your username and password to connect it to your Twitter account.'));
|
|
$this->elementStart('ul', 'form_data');
|
|
$this->elementStart('li');
|
|
// TRANS: Field label.
|
|
$this->input('nickname', _m('Existing nickname'));
|
|
$this->elementEnd('li');
|
|
$this->elementStart('li');
|
|
// TRANS: Field label.
|
|
$this->password('password', _m('Password'));
|
|
$this->elementEnd('li');
|
|
$this->elementEnd('ul');
|
|
$this->elementEnd('fieldset');
|
|
|
|
$this->elementStart('fieldset');
|
|
$this->element('legend', null,
|
|
// TRANS: Fieldset legend.
|
|
_m('License'));
|
|
$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'));
|
|
// TRANS: Text for license agreement checkbox.
|
|
// TRANS: %s is the license as configured for the StatusNet site.
|
|
$message = _m('My text and files are available under %s ' .
|
|
'except this private data: password, ' .
|
|
'email address, IM address, and phone number.');
|
|
$link = '<a href="' .
|
|
htmlspecialchars(common_config('license', 'url')) .
|
|
'">' .
|
|
htmlspecialchars(common_config('license', 'title')) .
|
|
'</a>';
|
|
$this->raw(sprintf(htmlspecialchars($message), $link));
|
|
$this->elementEnd('label');
|
|
$this->elementEnd('li');
|
|
$this->elementEnd('ul');
|
|
$this->elementEnd('fieldset');
|
|
// TRANS: Button text for connecting an existing StatusNet account in the Twitter connect page..
|
|
$this->submit('connect', _m('BUTTON','Connect'));
|
|
$this->elementEnd('fieldset');
|
|
$this->elementEnd('form');
|
|
}
|
|
|
|
/**
|
|
* Get specified e-mail from the form, or the invite code.
|
|
*
|
|
* @return string
|
|
*/
|
|
function getEmail()
|
|
{
|
|
$email = $this->trimmed('email');
|
|
if (!empty($email)) {
|
|
return $email;
|
|
}
|
|
|
|
// Terrible hack for invites...
|
|
if (common_config('site', 'inviteonly')) {
|
|
$code = $_SESSION['invitecode'];
|
|
if ($code) {
|
|
$invite = Invitation::getKV($code);
|
|
|
|
if ($invite && $invite->address_type == 'email') {
|
|
return $invite->address;
|
|
}
|
|
}
|
|
}
|
|
return '';
|
|
}
|
|
|
|
function message($msg)
|
|
{
|
|
$this->message_text = $msg;
|
|
$this->showPage();
|
|
}
|
|
|
|
function createNewUser()
|
|
{
|
|
if (!Event::handle('StartRegistrationTry', array($this))) {
|
|
return;
|
|
}
|
|
|
|
if (common_config('site', 'closed')) {
|
|
// TRANS: Client error displayed when trying to create a new user while creating new users is not allowed.
|
|
$this->clientError(_m('Registration not allowed.'));
|
|
}
|
|
|
|
$invite = null;
|
|
|
|
if (common_config('site', 'inviteonly')) {
|
|
$code = $_SESSION['invitecode'];
|
|
if (empty($code)) {
|
|
// TRANS: Client error displayed when trying to create a new user while creating new users is not allowed.
|
|
$this->clientError(_m('Registration not allowed.'));
|
|
}
|
|
|
|
$invite = Invitation::getKV($code);
|
|
|
|
if (empty($invite)) {
|
|
// TRANS: Client error displayed when trying to create a new user with an invalid invitation code.
|
|
$this->clientError(_m('Not a valid invitation code.'));
|
|
}
|
|
}
|
|
|
|
try {
|
|
$nickname = Nickname::normalize($this->trimmed('newname'), true);
|
|
} catch (NicknameException $e) {
|
|
$this->showForm($e->getMessage());
|
|
return;
|
|
}
|
|
|
|
$fullname = trim($this->tw_fields['fullname']);
|
|
|
|
$args = array('nickname' => $nickname, 'fullname' => $fullname);
|
|
|
|
if (!empty($invite)) {
|
|
$args['code'] = $invite->code;
|
|
}
|
|
|
|
$email = $this->getEmail();
|
|
if (!empty($email)) {
|
|
$args['email'] = $email;
|
|
}
|
|
|
|
try {
|
|
$user = User::register($args);
|
|
} catch (Exception $e) {
|
|
$this->serverError($e->getMessage());
|
|
}
|
|
|
|
$result = $this->saveForeignLink($user->id,
|
|
$this->twuid,
|
|
$this->access_token);
|
|
|
|
save_twitter_user($this->twuid, $this->tw_fields['screen_name']);
|
|
|
|
if (!$result) {
|
|
// TRANS: Server error displayed when connecting a user to a Twitter user has failed.
|
|
$this->serverError(_m('Error connecting user to Twitter.'));
|
|
}
|
|
|
|
common_set_user($user);
|
|
common_real_login(true);
|
|
|
|
common_debug('TwitterBridge Plugin - ' .
|
|
"Registered new user $user->id from Twitter user $this->twuid");
|
|
|
|
Event::handle('EndRegistrationTry', array($this));
|
|
|
|
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)) {
|
|
// TRANS: Form validation error displayed when connecting an existing user to a Twitter user fails because
|
|
// TRANS: the provided username and/or password are incorrect.
|
|
$this->showForm(_m('Invalid username or password.'));
|
|
return;
|
|
}
|
|
|
|
$user = User::getKV('nickname', $nickname);
|
|
|
|
if (!empty($user)) {
|
|
common_debug('TwitterBridge Plugin - ' .
|
|
"Legit user to connect to Twitter: $nickname");
|
|
}
|
|
|
|
$result = $this->saveForeignLink($user->id,
|
|
$this->twuid,
|
|
$this->access_token);
|
|
|
|
save_twitter_user($this->twuid, $this->tw_fields['screen_name']);
|
|
|
|
if (!$result) {
|
|
// TRANS: Server error displayed connecting a user to a Twitter user has failed.
|
|
$this->serverError(_m('Error connecting user to Twitter.'));
|
|
}
|
|
|
|
common_debug('TwitterBridge Plugin - ' .
|
|
"Connected Twitter user $this->twuid 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, $this->twuid);
|
|
|
|
if (empty($result)) {
|
|
// TRANS: Server error displayed connecting a user to a Twitter user has failed.
|
|
$this->serverError(_m('Error connecting user to Twitter.'));
|
|
}
|
|
|
|
common_debug('TwitterBridge Plugin - ' .
|
|
"Connected Twitter user $this->twuid to local user $user->id");
|
|
|
|
// Return to Twitter connection settings tab
|
|
common_redirect(common_local_url('twittersettings'), 303);
|
|
}
|
|
|
|
function tryLogin()
|
|
{
|
|
common_debug('TwitterBridge Plugin - ' .
|
|
"Trying login for Twitter user $this->twuid.");
|
|
|
|
$flink = Foreign_link::getByForeignID($this->twuid,
|
|
TWITTER_SERVICE);
|
|
|
|
if (!empty($flink)) {
|
|
$user = $flink->getUser();
|
|
|
|
if (!empty($user)) {
|
|
|
|
common_debug('TwitterBridge Plugin - ' .
|
|
"Logged in Twitter 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('TwitterBridge Plugin - ' .
|
|
"No flink found for twuid: $this->twuid - 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 bestNewNickname()
|
|
{
|
|
try {
|
|
return Nickname::normalize($this->tw_fields['fullname'], true);
|
|
} catch (NicknameException $e) {
|
|
return null;
|
|
}
|
|
}
|
|
}
|