forked from GNUsocial/gnu-social
de55d8f83b
lib/plugin.php now has a parent onAutoload function that finds most common
files that are used in plugins (actions, dataobjects, forms, libs etc.) if
they are put in the standardised directories ('actions', 'classes', 'forms',
'lib' and perhaps some others in the future).
724 lines
25 KiB
PHP
724 lines
25 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Class for doing OAuth authentication against Twitter
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Plugin
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @author Julien C <chaumond@gmail.com>
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* @copyright 2009-2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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require_once INSTALLDIR . '/plugins/TwitterBridge/twitter.php';
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/**
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* Class for doing OAuth authentication against Twitter
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*
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* Peforms the OAuth "dance" between StatusNet and Twitter -- requests a token,
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* authorizes it, and exchanges it for an access token. It also creates a link
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* (Foreign_link) between the StatusNet user and Twitter user and stores the
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* access token and secret in the link.
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*
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* @category Plugin
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @author Julien C <chaumond@gmail.com>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*
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*/
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class TwitterauthorizationAction extends Action
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{
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var $twuid = null;
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var $tw_fields = null;
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var $access_token = null;
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var $signin = null;
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var $verifier = null;
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/**
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* Initialize class members. Looks for 'oauth_token' parameter.
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*
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* @param array $args misc. arguments
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*
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* @return boolean true
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*/
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function prepare($args)
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{
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parent::prepare($args);
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$this->signin = $this->boolean('signin');
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$this->oauth_token = $this->arg('oauth_token');
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$this->verifier = $this->arg('oauth_verifier');
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return true;
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}
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/**
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* Handler method
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*
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* @param array $args is ignored since it's now passed in in prepare()
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*
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* @return nothing
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*/
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function handle($args)
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{
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parent::handle($args);
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if (common_logged_in()) {
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$user = common_current_user();
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$flink = Foreign_link::getByUserID($user->id, TWITTER_SERVICE);
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// If there's already a foreign link record and a foreign user
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// it means the accounts are already linked, and this is unecessary.
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// So go back.
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if (isset($flink)) {
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$fuser = $flink->getForeignUser();
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if (!empty($fuser)) {
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common_redirect(common_local_url('twittersettings'));
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}
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}
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}
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if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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// User was not logged in to StatusNet before
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$this->twuid = $this->trimmed('twuid');
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$this->tw_fields = array('screen_name' => $this->trimmed('tw_fields_screen_name'),
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'fullname' => $this->trimmed('tw_fields_fullname'));
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$this->access_token = new OAuthToken($this->trimmed('access_token_key'), $this->trimmed('access_token_secret'));
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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// TRANS: Client error displayed when the session token does not match or is not given.
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$this->showForm(_m('There was a problem with your session token. Try again, please.'));
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return;
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}
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if ($this->arg('create')) {
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if (!$this->boolean('license')) {
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// TRANS: Form validation error displayed when the checkbox to agree to the license has not been checked.
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$this->showForm(_m('You cannot register if you do not agree to the license.'),
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$this->trimmed('newname'));
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return;
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}
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$this->createNewUser();
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} else if ($this->arg('connect')) {
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$this->connectNewUser();
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} else {
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common_debug('Twitter bridge - ' . print_r($this->args, true));
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// TRANS: Form validation error displayed when an unhandled error occurs.
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$this->showForm(_m('Something weird happened.'),
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$this->trimmed('newname'));
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}
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} else {
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// $this->oauth_token is only populated once Twitter authorizes our
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// request token. If it's empty we're at the beginning of the auth
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// process
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if (empty($this->oauth_token)) {
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$this->authorizeRequestToken();
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} else {
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$this->saveAccessToken();
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}
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}
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}
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/**
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* Asks Twitter for a request token, and then redirects to Twitter
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* to authorize it.
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*
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* @return nothing
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*/
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function authorizeRequestToken()
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{
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try {
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// Get a new request token and authorize it
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$client = new TwitterOAuthClient();
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$req_tok = $client->getRequestToken();
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// Sock the request token away in the session temporarily
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$_SESSION['twitter_request_token'] = $req_tok->key;
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$_SESSION['twitter_request_token_secret'] = $req_tok->secret;
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$auth_link = $client->getAuthorizeLink($req_tok, $this->signin);
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} catch (OAuthClientException $e) {
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$msg = sprintf(
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'OAuth client error - code: %1s, msg: %2s',
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$e->getCode(),
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$e->getMessage()
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);
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common_log(LOG_INFO, 'Twitter bridge - ' . $msg);
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$this->serverError(
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// TRANS: Server error displayed when linking to a Twitter account fails.
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_m('Could not link your Twitter account.')
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);
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}
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common_redirect($auth_link);
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}
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/**
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* Called when Twitter returns an authorized request token. Exchanges
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* it for an access token and stores it.
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*
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* @return nothing
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*/
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function saveAccessToken()
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{
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// Check to make sure Twitter returned the same request
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// token we sent them
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if ($_SESSION['twitter_request_token'] != $this->oauth_token) {
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$this->serverError(
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// TRANS: Server error displayed when linking to a Twitter account fails because of an incorrect oauth_token.
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_m('Could not link your Twitter account: oauth_token mismatch.')
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);
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}
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$twitter_user = null;
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try {
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$client = new TwitterOAuthClient($_SESSION['twitter_request_token'],
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$_SESSION['twitter_request_token_secret']);
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// Exchange the request token for an access token
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$atok = $client->getAccessToken($this->verifier);
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// Test the access token and get the user's Twitter info
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$client = new TwitterOAuthClient($atok->key, $atok->secret);
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$twitter_user = $client->verifyCredentials();
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} catch (OAuthClientException $e) {
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$msg = sprintf(
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'OAuth client error - code: %1$s, msg: %2$s',
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$e->getCode(),
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$e->getMessage()
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);
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common_log(LOG_INFO, 'Twitter bridge - ' . $msg);
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$this->serverError(
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// TRANS: Server error displayed when linking to a Twitter account fails.
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_m('Could not link your Twitter account.')
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);
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}
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if (common_logged_in()) {
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// Save the access token and Twitter user info
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$user = common_current_user();
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$this->saveForeignLink($user->id, $twitter_user->id, $atok);
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save_twitter_user($twitter_user->id, $twitter_user->screen_name);
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} else {
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$this->twuid = $twitter_user->id;
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$this->tw_fields = array("screen_name" => $twitter_user->screen_name,
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"fullname" => $twitter_user->name);
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$this->access_token = $atok;
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$this->tryLogin();
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}
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// Clean up the the mess we made in the session
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unset($_SESSION['twitter_request_token']);
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unset($_SESSION['twitter_request_token_secret']);
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if (common_logged_in()) {
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common_redirect(common_local_url('twittersettings'));
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}
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}
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/**
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* Saves a Foreign_link between Twitter user and local user,
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* which includes the access token and secret.
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*
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* @param int $user_id StatusNet user ID
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* @param int $twuid Twitter user ID
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* @param OAuthToken $token the access token to save
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*
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* @return nothing
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*/
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function saveForeignLink($user_id, $twuid, $access_token)
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{
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$flink = new Foreign_link();
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$flink->user_id = $user_id;
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$flink->service = TWITTER_SERVICE;
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// delete stale flink, if any
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$result = $flink->find(true);
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if (!empty($result)) {
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$flink->safeDelete();
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}
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$flink->user_id = $user_id;
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$flink->foreign_id = $twuid;
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$flink->service = TWITTER_SERVICE;
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$creds = TwitterOAuthClient::packToken($access_token);
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$flink->credentials = $creds;
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$flink->created = common_sql_now();
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// Defaults: noticesync on, everything else off
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$flink->set_flags(true, false, false, false);
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$flink_id = $flink->insert();
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if (empty($flink_id)) {
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common_log_db_error($flink, 'INSERT', __FILE__);
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// TRANS: Server error displayed when linking to a Twitter account fails.
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$this->serverError(_m('Could not link your Twitter account.'));
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}
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return $flink_id;
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}
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function showPageNotice()
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{
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if ($this->error) {
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$this->element('div', array('class' => 'error'), $this->error);
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} else {
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$this->element('div', 'instructions',
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// TRANS: Page instruction. %s is the StatusNet sitename.
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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')));
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}
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}
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function title()
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{
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// TRANS: Page title.
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return _m('Twitter Account Setup');
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}
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function showForm($error=null, $username=null)
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{
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$this->error = $error;
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$this->username = $username;
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$this->showPage();
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}
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function showPage()
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{
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parent::showPage();
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}
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/**
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* @fixme much of this duplicates core code, which is very fragile.
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* Should probably be replaced with an extensible mini version of
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* the core registration form.
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*/
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function showContent()
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{
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if (!empty($this->message_text)) {
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$this->element('p', null, $this->message);
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return;
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}
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$this->elementStart('form', array('method' => 'post',
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'id' => 'form_settings_twitter_connect',
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'class' => 'form_settings',
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'action' => common_local_url('twitterauthorization')));
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$this->elementStart('fieldset', array('id' => 'settings_twitter_connect_options'));
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// TRANS: Fieldset legend.
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$this->element('legend', null, _m('Connection options'));
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$this->hidden('access_token_key', $this->access_token->key);
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$this->hidden('access_token_secret', $this->access_token->secret);
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$this->hidden('twuid', $this->twuid);
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$this->hidden('tw_fields_screen_name', $this->tw_fields['screen_name']);
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$this->hidden('tw_fields_name', $this->tw_fields['fullname']);
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$this->hidden('token', common_session_token());
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// Don't allow new account creation if site is flagged as invite only
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if (common_config('site', 'inviteonly') == false) {
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$this->elementStart('fieldset');
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$this->element('legend', null,
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// TRANS: Fieldset legend.
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_m('Create new account'));
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$this->element('p', null,
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// TRANS: Sub form introduction text.
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_m('Create a new user with this nickname.'));
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$this->elementStart('ul', 'form_data');
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// Hook point for captcha etc
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Event::handle('StartRegistrationFormData', array($this));
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$this->elementStart('li');
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// TRANS: Field label.
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$this->input('newname', _m('New nickname'),
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($this->username) ? $this->username : '',
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// TRANS: Field title for nickname field.
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_m('1-64 lowercase letters or numbers, no punctuation or spaces.'));
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$this->elementEnd('li');
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$this->elementStart('li');
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// TRANS: Field label.
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$this->input('email', _m('LABEL','Email'), $this->getEmail(),
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// TRANS: Field title for e-mail address field.
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_m('Used only for updates, announcements, '.
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'and password recovery'));
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$this->elementEnd('li');
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// Hook point for captcha etc
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Event::handle('EndRegistrationFormData', array($this));
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$this->elementEnd('ul');
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// TRANS: Button text for creating a new StatusNet account in the Twitter connect page.
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$this->submit('create', _m('BUTTON','Create'));
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$this->elementEnd('fieldset');
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}
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$this->elementStart('fieldset');
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$this->element('legend', null,
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// TRANS: Fieldset legend.
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_m('Connect existing account'));
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$this->element('p', null,
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// TRANS: Sub form introduction text.
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_m('If you already have an account, login with your username and password to connect it to your Twitter account.'));
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li');
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// TRANS: Field label.
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$this->input('nickname', _m('Existing nickname'));
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$this->elementEnd('li');
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$this->elementStart('li');
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// TRANS: Field label.
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$this->password('password', _m('Password'));
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$this->elementEnd('li');
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$this->elementEnd('ul');
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$this->elementEnd('fieldset');
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$this->elementStart('fieldset');
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$this->element('legend', null,
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// TRANS: Fieldset legend.
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_m('License'));
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li');
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$this->element('input', array('type' => 'checkbox',
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'id' => 'license',
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'class' => 'checkbox',
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'name' => 'license',
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'value' => 'true'));
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$this->elementStart('label', array('class' => 'checkbox', 'for' => 'license'));
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// TRANS: Text for license agreement checkbox.
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// TRANS: %s is the license as configured for the StatusNet site.
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$message = _m('My text and files are available under %s ' .
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'except this private data: password, ' .
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'email address, IM address, and phone number.');
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$link = '<a href="' .
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htmlspecialchars(common_config('license', 'url')) .
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'">' .
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htmlspecialchars(common_config('license', 'title')) .
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'</a>';
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$this->raw(sprintf(htmlspecialchars($message), $link));
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$this->elementEnd('label');
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$this->elementEnd('li');
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$this->elementEnd('ul');
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$this->elementEnd('fieldset');
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// TRANS: Button text for connecting an existing StatusNet account in the Twitter connect page..
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$this->submit('connect', _m('BUTTON','Connect'));
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$this->elementEnd('fieldset');
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$this->elementEnd('form');
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}
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/**
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* Get specified e-mail from the form, or the invite code.
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*
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* @return string
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*/
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function getEmail()
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{
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$email = $this->trimmed('email');
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if (!empty($email)) {
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return $email;
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}
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|
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|
// Terrible hack for invites...
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if (common_config('site', 'inviteonly')) {
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$code = $_SESSION['invitecode'];
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if ($code) {
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$invite = Invitation::getKV($code);
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if ($invite && $invite->address_type == 'email') {
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return $invite->address;
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}
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}
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}
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return '';
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}
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function message($msg)
|
|
{
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$this->message_text = $msg;
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$this->showPage();
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}
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|
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function createNewUser()
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{
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if (!Event::handle('StartRegistrationTry', array($this))) {
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return;
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}
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|
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if (common_config('site', 'closed')) {
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// TRANS: Client error displayed when trying to create a new user while creating new users is not allowed.
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$this->clientError(_m('Registration not allowed.'));
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return;
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}
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|
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$invite = null;
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|
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if (common_config('site', 'inviteonly')) {
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$code = $_SESSION['invitecode'];
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if (empty($code)) {
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// TRANS: Client error displayed when trying to create a new user while creating new users is not allowed.
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$this->clientError(_m('Registration not allowed.'));
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return;
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}
|
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|
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$invite = Invitation::getKV($code);
|
|
|
|
if (empty($invite)) {
|
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// TRANS: Client error displayed when trying to create a new user with an invalid invitation code.
|
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$this->clientError(_m('Not a valid invitation code.'));
|
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return;
|
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}
|
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}
|
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|
|
try {
|
|
$nickname = Nickname::normalize($this->trimmed('newname'));
|
|
} catch (NicknameException $e) {
|
|
$this->showForm($e->getMessage());
|
|
return;
|
|
}
|
|
|
|
if (!User::allowed_nickname($nickname)) {
|
|
// TRANS: Client error displayed when trying to create a new user with an invalid username.
|
|
$this->showForm(_m('Nickname not allowed.'));
|
|
return;
|
|
}
|
|
|
|
if (User::getKV('nickname', $nickname)) {
|
|
// TRANS: Client error displayed when trying to create a new user with a username that is already in use.
|
|
$this->showForm(_m('Nickname already in use. Try another one.'));
|
|
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;
|
|
}
|
|
|
|
$user = User::register($args);
|
|
|
|
if (empty($user)) {
|
|
// TRANS: Server error displayed when creating a new user has failed.
|
|
$this->serverError(_m('Error registering user.'));
|
|
return;
|
|
}
|
|
|
|
$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.
|
|
$this->serverError(_m('Error connecting user to Twitter.'));
|
|
return;
|
|
}
|
|
|
|
common_set_user($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.'));
|
|
return;
|
|
}
|
|
|
|
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.'));
|
|
return;
|
|
}
|
|
|
|
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()
|
|
{
|
|
if (!empty($this->tw_fields['fullname'])) {
|
|
$nickname = $this->nicknamize($this->tw_fields['fullname']);
|
|
if ($this->isNewNickname($nickname)) {
|
|
return $nickname;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// Given a string, try to make it work as a nickname
|
|
|
|
function nicknamize($str)
|
|
{
|
|
$str = preg_replace('/\W/', '', $str);
|
|
$str = str_replace(array('-', '_'), '', $str);
|
|
return strtolower($str);
|
|
}
|
|
|
|
function isNewNickname($str)
|
|
{
|
|
if (!Nickname::isValid($str)) {
|
|
return false;
|
|
}
|
|
if (!User::allowed_nickname($str)) {
|
|
return false;
|
|
}
|
|
if (User::getKV('nickname', $str)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
}
|