496 lines
16 KiB
PHP
496 lines
16 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, StatusNet, Inc.
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*
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* 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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if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
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require_once INSTALLDIR.'/plugins/OpenID/openid.php';
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class FinishopenidloginAction extends Action
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{
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var $error = null;
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var $username = null;
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var $message = null;
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function handle($args)
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{
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parent::handle($args);
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if (common_is_real_login()) {
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$this->clientError(_('Already logged in.'));
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} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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$this->showForm(_('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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$this->showForm(_('You can\'t register if you don\'t agree to the license.'),
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$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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$this->connectUser();
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} else {
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common_debug(print_r($this->args, true), __FILE__);
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$this->showForm(_('Something weird happened.'),
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$this->trimmed('newname'));
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}
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} else {
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$this->tryLogin();
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}
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}
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function showPageNotice()
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{
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if ($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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sprintf(_('This is the first time you\'ve logged into %s so we must connect your OpenID 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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return _('OpenID 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 showContent()
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{
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if (!empty($this->message_text)) {
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$this->element('div', array('class' => 'error'), $this->message_text);
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return;
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}
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$this->elementStart('form', array('method' => 'post',
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'id' => 'account_connect',
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'action' => common_local_url('finishopenidlogin')));
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$this->hidden('token', common_session_token());
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$this->element('h2', null,
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_('Create new account'));
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$this->element('p', null,
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_('Create a new user with this nickname.'));
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$this->input('newname', _('New nickname'),
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($this->username) ? $this->username : '',
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_('1-64 lowercase letters or numbers, no punctuation or spaces'));
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$this->elementStart('p');
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$this->element('input', array('type' => 'checkbox',
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'id' => 'license',
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'name' => 'license',
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'value' => 'true'));
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$this->text(_('My text and files are available under '));
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$this->element('a', array('href' => common_config('license', 'url')),
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common_config('license', 'title'));
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$this->text(_(' except this private data: password, email address, IM address, phone number.'));
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$this->elementEnd('p');
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$this->submit('create', _('Create'));
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$this->element('h2', null,
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_('Connect existing account'));
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$this->element('p', null,
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_('If you already have an account, login with your username and password to connect it to your OpenID.'));
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$this->input('nickname', _('Existing nickname'));
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$this->password('password', _('Password'));
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$this->submit('connect', _('Connect'));
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$this->elementEnd('form');
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}
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function tryLogin()
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{
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$consumer = oid_consumer();
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$response = $consumer->complete(common_local_url('finishopenidlogin'));
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if ($response->status == Auth_OpenID_CANCEL) {
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$this->message(_('OpenID authentication cancelled.'));
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return;
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} else if ($response->status == Auth_OpenID_FAILURE) {
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// Authentication failed; display the error message.
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$this->message(sprintf(_('OpenID authentication failed: %s'), $response->message));
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} else if ($response->status == Auth_OpenID_SUCCESS) {
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// This means the authentication succeeded; extract the
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// identity URL and Simple Registration data (if it was
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// returned).
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$display = $response->getDisplayIdentifier();
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$canonical = ($response->endpoint->canonicalID) ?
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$response->endpoint->canonicalID : $response->getDisplayIdentifier();
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$sreg_resp = Auth_OpenID_SRegResponse::fromSuccessResponse($response);
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if ($sreg_resp) {
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$sreg = $sreg_resp->contents();
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}
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$user = oid_get_user($canonical);
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if ($user) {
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oid_set_last($display);
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# XXX: commented out at @edd's request until better
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# control over how data flows from OpenID provider.
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# oid_update_user($user, $sreg);
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common_set_user($user);
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common_real_login(true);
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if (isset($_SESSION['openid_rememberme']) && $_SESSION['openid_rememberme']) {
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common_rememberme($user);
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}
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unset($_SESSION['openid_rememberme']);
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$this->goHome($user->nickname);
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} else {
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$this->saveValues($display, $canonical, $sreg);
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$this->showForm(null, $this->bestNewNickname($display, $sreg));
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}
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}
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}
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function message($msg)
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{
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$this->message_text = $msg;
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$this->showPage();
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}
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function saveValues($display, $canonical, $sreg)
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{
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common_ensure_session();
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$_SESSION['openid_display'] = $display;
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$_SESSION['openid_canonical'] = $canonical;
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$_SESSION['openid_sreg'] = $sreg;
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}
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function getSavedValues()
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{
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return array($_SESSION['openid_display'],
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$_SESSION['openid_canonical'],
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$_SESSION['openid_sreg']);
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}
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function createNewUser()
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{
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# FIXME: save invite code before redirect, and check here
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if (common_config('site', 'closed')) {
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$this->clientError(_('Registration not allowed.'));
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return;
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}
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$invite = null;
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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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$this->clientError(_('Registration not allowed.'));
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return;
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}
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$invite = Invitation::staticGet($code);
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if (empty($invite)) {
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$this->clientError(_('Not a valid invitation code.'));
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return;
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}
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}
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$nickname = $this->trimmed('newname');
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if (!Validate::string($nickname, array('min_length' => 1,
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'max_length' => 64,
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'format' => NICKNAME_FMT))) {
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$this->showForm(_('Nickname must have only lowercase letters and numbers and no spaces.'));
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return;
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}
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if (!User::allowed_nickname($nickname)) {
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$this->showForm(_('Nickname not allowed.'));
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return;
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}
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if (User::staticGet('nickname', $nickname)) {
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$this->showForm(_('Nickname already in use. Try another one.'));
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return;
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}
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list($display, $canonical, $sreg) = $this->getSavedValues();
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if (!$display || !$canonical) {
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$this->serverError(_('Stored OpenID not found.'));
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return;
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}
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# Possible race condition... let's be paranoid
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$other = oid_get_user($canonical);
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if ($other) {
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$this->serverError(_('Creating new account for OpenID that already has a user.'));
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return;
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}
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$location = '';
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if (!empty($sreg['country'])) {
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if ($sreg['postcode']) {
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# XXX: use postcode to get city and region
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# XXX: also, store postcode somewhere -- it's valuable!
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$location = $sreg['postcode'] . ', ' . $sreg['country'];
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} else {
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$location = $sreg['country'];
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}
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}
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if (!empty($sreg['fullname']) && mb_strlen($sreg['fullname']) <= 255) {
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$fullname = $sreg['fullname'];
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} else {
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$fullname = '';
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}
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if (!empty($sreg['email']) && Validate::email($sreg['email'], common_config('email', 'check_domain'))) {
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$email = $sreg['email'];
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} else {
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$email = '';
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}
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# XXX: add language
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# XXX: add timezone
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$args = array('nickname' => $nickname,
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'email' => $email,
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'fullname' => $fullname,
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'location' => $location);
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if (!empty($invite)) {
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$args['code'] = $invite->code;
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}
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$user = User::register($args);
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$result = oid_link_user($user->id, $canonical, $display);
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oid_set_last($display);
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common_set_user($user);
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common_real_login(true);
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if (isset($_SESSION['openid_rememberme']) && $_SESSION['openid_rememberme']) {
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common_rememberme($user);
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}
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unset($_SESSION['openid_rememberme']);
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common_redirect(common_local_url('showstream', array('nickname' => $user->nickname)),
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303);
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}
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function connectUser()
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{
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$nickname = $this->trimmed('nickname');
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$password = $this->trimmed('password');
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if (!common_check_user($nickname, $password)) {
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$this->showForm(_('Invalid username or password.'));
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return;
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}
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# They're legit!
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$user = User::staticGet('nickname', $nickname);
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list($display, $canonical, $sreg) = $this->getSavedValues();
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if (!$display || !$canonical) {
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$this->serverError(_('Stored OpenID not found.'));
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return;
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}
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$result = oid_link_user($user->id, $canonical, $display);
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if (!$result) {
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$this->serverError(_('Error connecting user to OpenID.'));
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return;
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}
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oid_update_user($user, $sreg);
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oid_set_last($display);
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common_set_user($user);
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common_real_login(true);
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if (isset($_SESSION['openid_rememberme']) && $_SESSION['openid_rememberme']) {
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common_rememberme($user);
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}
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unset($_SESSION['openid_rememberme']);
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$this->goHome($user->nickname);
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}
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function goHome($nickname)
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{
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$url = common_get_returnto();
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if ($url) {
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# We do not have to return to it again
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common_set_returnto(null);
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} else {
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$url = common_local_url('all',
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array('nickname' =>
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$nickname));
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}
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common_redirect($url, 303);
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}
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function bestNewNickname($display, $sreg)
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{
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# Try the passed-in nickname
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if (!empty($sreg['nickname'])) {
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$nickname = $this->nicknamize($sreg['nickname']);
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if ($this->isNewNickname($nickname)) {
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return $nickname;
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}
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}
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# Try the full name
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if (!empty($sreg['fullname'])) {
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$fullname = $this->nicknamize($sreg['fullname']);
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if ($this->isNewNickname($fullname)) {
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return $fullname;
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}
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}
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# Try the URL
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$from_url = $this->openidToNickname($display);
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if ($from_url && $this->isNewNickname($from_url)) {
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return $from_url;
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}
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# XXX: others?
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return null;
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}
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function isNewNickname($str)
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{
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if (!Validate::string($str, array('min_length' => 1,
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'max_length' => 64,
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'format' => NICKNAME_FMT))) {
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return false;
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}
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if (!User::allowed_nickname($str)) {
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return false;
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}
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if (User::staticGet('nickname', $str)) {
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return false;
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}
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return true;
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}
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function openidToNickname($openid)
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{
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if (Auth_Yadis_identifierScheme($openid) == 'XRI') {
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return $this->xriToNickname($openid);
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} else {
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return $this->urlToNickname($openid);
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}
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}
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# We try to use an OpenID URL as a legal StatusNet user name in this order
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# 1. Plain hostname, like http://evanp.myopenid.com/
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# 2. One element in path, like http://profile.typekey.com/EvanProdromou/
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# or http://getopenid.com/evanprodromou
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function urlToNickname($openid)
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{
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static $bad = array('query', 'user', 'password', 'port', 'fragment');
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$parts = parse_url($openid);
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# If any of these parts exist, this will not work
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foreach ($bad as $badpart) {
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if (array_key_exists($badpart, $parts)) {
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return null;
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}
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}
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# We just have host and/or path
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# If it's just a host...
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if (array_key_exists('host', $parts) &&
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(!array_key_exists('path', $parts) || strcmp($parts['path'], '/') == 0))
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{
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$hostparts = explode('.', $parts['host']);
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# Try to catch common idiom of nickname.service.tld
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if ((count($hostparts) > 2) &&
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(strlen($hostparts[count($hostparts) - 2]) > 3) && # try to skip .co.uk, .com.au
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(strcmp($hostparts[0], 'www') != 0))
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{
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return $this->nicknamize($hostparts[0]);
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} else {
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# Do the whole hostname
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return $this->nicknamize($parts['host']);
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}
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} else {
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if (array_key_exists('path', $parts)) {
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# Strip starting, ending slashes
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$path = preg_replace('@/$@', '', $parts['path']);
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$path = preg_replace('@^/@', '', $path);
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if (strpos($path, '/') === false) {
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return $this->nicknamize($path);
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}
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}
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}
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return null;
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}
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function xriToNickname($xri)
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{
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$base = $this->xriBase($xri);
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if (!$base) {
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return null;
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} else {
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# =evan.prodromou
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# or @gratis*evan.prodromou
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$parts = explode('*', substr($base, 1));
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return $this->nicknamize(array_pop($parts));
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}
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}
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function xriBase($xri)
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{
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if (substr($xri, 0, 6) == 'xri://') {
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return substr($xri, 6);
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} else {
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return $xri;
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}
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}
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# Given a string, try to make it work as a nickname
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function nicknamize($str)
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{
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$str = preg_replace('/\W/', '', $str);
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return strtolower($str);
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}
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}
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