diff options
Diffstat (limited to 'plugins/OpenID/finishopenidlogin.php')
| -rw-r--r-- | plugins/OpenID/finishopenidlogin.php | 497 |
1 files changed, 497 insertions, 0 deletions
diff --git a/plugins/OpenID/finishopenidlogin.php b/plugins/OpenID/finishopenidlogin.php new file mode 100644 index 000000000..87fc3881e --- /dev/null +++ b/plugins/OpenID/finishopenidlogin.php @@ -0,0 +1,497 @@ +<?php +/* + * Laconica - a distributed open-source microblogging tool + * Copyright (C) 2008, 2009, Control Yourself, Inc. + * + * 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/>. + */ + +if (!defined('LACONICA')) { exit(1); } + +require_once INSTALLDIR.'/plugins/OpenID/openid.php'; + +class FinishopenidloginAction extends Action +{ + var $error = null; + var $username = null; + var $message = null; + + function handle($args) + { + parent::handle($args); + if (!common_config('openid', 'enabled')) { + common_redirect(common_local_url('login')); + } else if (common_is_real_login()) { + $this->clientError(_('Already logged in.')); + } else if ($_SERVER['REQUEST_METHOD'] == 'POST') { + $token = $this->trimmed('token'); + if (!$token || $token != common_session_token()) { + $this->showForm(_('There was a problem with your session token. Try again, please.')); + return; + } + if ($this->arg('create')) { + if (!$this->boolean('license')) { + $this->showForm(_('You can\'t register if you don\'t agree to the license.'), + $this->trimmed('newname')); + return; + } + $this->createNewUser(); + } else if ($this->arg('connect')) { + $this->connectUser(); + } else { + common_debug(print_r($this->args, true), __FILE__); + $this->showForm(_('Something weird happened.'), + $this->trimmed('newname')); + } + } else { + $this->tryLogin(); + } + } + + function showPageNotice() + { + if ($this->error) { + $this->element('div', array('class' => 'error'), $this->error); + } else { + $this->element('div', 'instructions', + sprintf(_('This is the first time you\'ve logged into %s so we must connect your OpenID to a local account. You can either create a new account, or connect with your existing account, if you have one.'), common_config('site', 'name'))); + } + } + + function title() + { + return _('OpenID Account Setup'); + } + + function showForm($error=null, $username=null) + { + $this->error = $error; + $this->username = $username; + + $this->showPage(); + } + + function showContent() + { + if (!empty($this->message_text)) { + $this->element('div', array('class' => 'error'), $this->message_text); + return; + } + + $this->elementStart('form', array('method' => 'post', + 'id' => 'account_connect', + 'action' => common_local_url('finishopenidlogin'))); + $this->hidden('token', common_session_token()); + $this->element('h2', null, + _('Create new account')); + $this->element('p', null, + _('Create a new user with this nickname.')); + $this->input('newname', _('New nickname'), + ($this->username) ? $this->username : '', + _('1-64 lowercase letters or numbers, no punctuation or spaces')); + $this->elementStart('p'); + $this->element('input', array('type' => 'checkbox', + 'id' => 'license', + 'name' => 'license', + 'value' => 'true')); + $this->text(_('My text and files are available under ')); + $this->element('a', array('href' => common_config('license', 'url')), + common_config('license', 'title')); + $this->text(_(' except this private data: password, email address, IM address, phone number.')); + $this->elementEnd('p'); + $this->submit('create', _('Create')); + $this->element('h2', null, + _('Connect existing account')); + $this->element('p', null, + _('If you already have an account, login with your username and password to connect it to your OpenID.')); + $this->input('nickname', _('Existing nickname')); + $this->password('password', _('Password')); + $this->submit('connect', _('Connect')); + $this->elementEnd('form'); + } + + function tryLogin() + { + $consumer = oid_consumer(); + + $response = $consumer->complete(common_local_url('finishopenidlogin')); + + if ($response->status == Auth_OpenID_CANCEL) { + $this->message(_('OpenID authentication cancelled.')); + return; + } else if ($response->status == Auth_OpenID_FAILURE) { + // Authentication failed; display the error message. + $this->message(sprintf(_('OpenID authentication failed: %s'), $response->message)); + } else if ($response->status == Auth_OpenID_SUCCESS) { + // This means the authentication succeeded; extract the + // identity URL and Simple Registration data (if it was + // returned). + $display = $response->getDisplayIdentifier(); + $canonical = ($response->endpoint->canonicalID) ? + $response->endpoint->canonicalID : $response->getDisplayIdentifier(); + + $sreg_resp = Auth_OpenID_SRegResponse::fromSuccessResponse($response); + + if ($sreg_resp) { + $sreg = $sreg_resp->contents(); + } + + $user = oid_get_user($canonical); + + if ($user) { + oid_set_last($display); + # XXX: commented out at @edd's request until better + # control over how data flows from OpenID provider. + # oid_update_user($user, $sreg); + common_set_user($user); + common_real_login(true); + if (isset($_SESSION['openid_rememberme']) && $_SESSION['openid_rememberme']) { + common_rememberme($user); + } + unset($_SESSION['openid_rememberme']); + $this->goHome($user->nickname); + } else { + $this->saveValues($display, $canonical, $sreg); + $this->showForm(null, $this->bestNewNickname($display, $sreg)); + } + } + } + + function message($msg) + { + $this->message_text = $msg; + $this->showPage(); + } + + function saveValues($display, $canonical, $sreg) + { + common_ensure_session(); + $_SESSION['openid_display'] = $display; + $_SESSION['openid_canonical'] = $canonical; + $_SESSION['openid_sreg'] = $sreg; + } + + function getSavedValues() + { + return array($_SESSION['openid_display'], + $_SESSION['openid_canonical'], + $_SESSION['openid_sreg']); + } + + function createNewUser() + { + # FIXME: save invite code before redirect, and check here + + if (common_config('site', 'closed')) { + $this->clientError(_('Registration not allowed.')); + return; + } + + $invite = null; + + if (common_config('site', 'inviteonly')) { + $code = $_SESSION['invitecode']; + if (empty($code)) { + $this->clientError(_('Registration not allowed.')); + return; + } + + $invite = Invitation::staticGet($code); + + if (empty($invite)) { + $this->clientError(_('Not a valid invitation code.')); + return; + } + } + + $nickname = $this->trimmed('newname'); + + if (!Validate::string($nickname, array('min_length' => 1, + 'max_length' => 64, + 'format' => NICKNAME_FMT))) { + $this->showForm(_('Nickname must have only lowercase letters and numbers and no spaces.')); + return; + } + + if (!User::allowed_nickname($nickname)) { + $this->showForm(_('Nickname not allowed.')); + return; + } + + if (User::staticGet('nickname', $nickname)) { + $this->showForm(_('Nickname already in use. Try another one.')); + return; + } + + list($display, $canonical, $sreg) = $this->getSavedValues(); + + if (!$display || !$canonical) { + $this->serverError(_('Stored OpenID not found.')); + return; + } + + # Possible race condition... let's be paranoid + + $other = oid_get_user($canonical); + + if ($other) { + $this->serverError(_('Creating new account for OpenID that already has a user.')); + return; + } + + $location = ''; + if (!empty($sreg['country'])) { + if ($sreg['postcode']) { + # XXX: use postcode to get city and region + # XXX: also, store postcode somewhere -- it's valuable! + $location = $sreg['postcode'] . ', ' . $sreg['country']; + } else { + $location = $sreg['country']; + } + } + + if (!empty($sreg['fullname']) && mb_strlen($sreg['fullname']) <= 255) { + $fullname = $sreg['fullname']; + } else { + $fullname = ''; + } + + if (!empty($sreg['email']) && Validate::email($sreg['email'], true)) { + $email = $sreg['email']; + } else { + $email = ''; + } + + # XXX: add language + # XXX: add timezone + + $args = array('nickname' => $nickname, + 'email' => $email, + 'fullname' => $fullname, + 'location' => $location); + + if (!empty($invite)) { + $args['code'] = $invite->code; + } + + $user = User::register($args); + + $result = oid_link_user($user->id, $canonical, $display); + + oid_set_last($display); + common_set_user($user); + common_real_login(true); + if (isset($_SESSION['openid_rememberme']) && $_SESSION['openid_rememberme']) { + common_rememberme($user); + } + unset($_SESSION['openid_rememberme']); + common_redirect(common_local_url('showstream', array('nickname' => $user->nickname)), + 303); + } + + function connectUser() + { + $nickname = $this->trimmed('nickname'); + $password = $this->trimmed('password'); + + if (!common_check_user($nickname, $password)) { + $this->showForm(_('Invalid username or password.')); + return; + } + + # They're legit! + + $user = User::staticGet('nickname', $nickname); + + list($display, $canonical, $sreg) = $this->getSavedValues(); + + if (!$display || !$canonical) { + $this->serverError(_('Stored OpenID not found.')); + return; + } + + $result = oid_link_user($user->id, $canonical, $display); + + if (!$result) { + $this->serverError(_('Error connecting user to OpenID.')); + return; + } + + oid_update_user($user, $sreg); + oid_set_last($display); + common_set_user($user); + common_real_login(true); + if (isset($_SESSION['openid_rememberme']) && $_SESSION['openid_rememberme']) { + common_rememberme($user); + } + unset($_SESSION['openid_rememberme']); + $this->goHome($user->nickname); + } + + 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($display, $sreg) + { + + # Try the passed-in nickname + + if (!empty($sreg['nickname'])) { + $nickname = $this->nicknamize($sreg['nickname']); + if ($this->isNewNickname($nickname)) { + return $nickname; + } + } + + # Try the full name + + if (!empty($sreg['fullname'])) { + $fullname = $this->nicknamize($sreg['fullname']); + if ($this->isNewNickname($fullname)) { + return $fullname; + } + } + + # Try the URL + + $from_url = $this->openidToNickname($display); + + if ($from_url && $this->isNewNickname($from_url)) { + return $from_url; + } + + # XXX: others? + + return null; + } + + function isNewNickname($str) + { + if (!Validate::string($str, array('min_length' => 1, + 'max_length' => 64, + 'format' => NICKNAME_FMT))) { + return false; + } + if (!User::allowed_nickname($str)) { + return false; + } + if (User::staticGet('nickname', $str)) { + return false; + } + return true; + } + + function openidToNickname($openid) + { + if (Auth_Yadis_identifierScheme($openid) == 'XRI') { + return $this->xriToNickname($openid); + } else { + return $this->urlToNickname($openid); + } + } + + # We try to use an OpenID URL as a legal Laconica user name in this order + # 1. Plain hostname, like http://evanp.myopenid.com/ + # 2. One element in path, like http://profile.typekey.com/EvanProdromou/ + # or http://getopenid.com/evanprodromou + + function urlToNickname($openid) + { + static $bad = array('query', 'user', 'password', 'port', 'fragment'); + + $parts = parse_url($openid); + + # If any of these parts exist, this won't work + + foreach ($bad as $badpart) { + if (array_key_exists($badpart, $parts)) { + return null; + } + } + + # We just have host and/or path + + # If it's just a host... + if (array_key_exists('host', $parts) && + (!array_key_exists('path', $parts) || strcmp($parts['path'], '/') == 0)) + { + $hostparts = explode('.', $parts['host']); + + # Try to catch common idiom of nickname.service.tld + + if ((count($hostparts) > 2) && + (strlen($hostparts[count($hostparts) - 2]) > 3) && # try to skip .co.uk, .com.au + (strcmp($hostparts[0], 'www') != 0)) + { + return $this->nicknamize($hostparts[0]); + } else { + # Do the whole hostname + return $this->nicknamize($parts['host']); + } + } else { + if (array_key_exists('path', $parts)) { + # Strip starting, ending slashes + $path = preg_replace('@/$@', '', $parts['path']); + $path = preg_replace('@^/@', '', $path); + if (strpos($path, '/') === false) { + return $this->nicknamize($path); + } + } + } + + return null; + } + + function xriToNickname($xri) + { + $base = $this->xriBase($xri); + + if (!$base) { + return null; + } else { + # =evan.prodromou + # or @gratis*evan.prodromou + $parts = explode('*', substr($base, 1)); + return $this->nicknamize(array_pop($parts)); + } + } + + function xriBase($xri) + { + if (substr($xri, 0, 6) == 'xri://') { + return substr($xri, 6); + } else { + return $xri; + } + } + + # Given a string, try to make it work as a nickname + + function nicknamize($str) + { + $str = preg_replace('/\W/', '', $str); + return strtolower($str); + } +} |