diff options
Diffstat (limited to 'plugins/OpenID/openid.php')
| -rw-r--r-- | plugins/OpenID/openid.php | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/plugins/OpenID/openid.php b/plugins/OpenID/openid.php new file mode 100644 index 000000000..0b7633284 --- /dev/null +++ b/plugins/OpenID/openid.php @@ -0,0 +1,280 @@ +<?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.'/classes/User_openid.php'); + +require_once('Auth/OpenID.php'); +require_once('Auth/OpenID/Consumer.php'); +require_once('Auth/OpenID/SReg.php'); +require_once('Auth/OpenID/MySQLStore.php'); + +# About one year cookie expiry + +define('OPENID_COOKIE_EXPIRY', round(365.25 * 24 * 60 * 60)); +define('OPENID_COOKIE_KEY', 'lastusedopenid'); + +function oid_store() +{ + static $store = null; + if (!$store) { + # Can't be called statically + $user = new User(); + $conn = $user->getDatabaseConnection(); + $store = new Auth_OpenID_MySQLStore($conn); + } + return $store; +} + +function oid_consumer() +{ + $store = oid_store(); + $consumer = new Auth_OpenID_Consumer($store); + return $consumer; +} + +function oid_clear_last() +{ + oid_set_last(''); +} + +function oid_set_last($openid_url) +{ + common_set_cookie(OPENID_COOKIE_KEY, + $openid_url, + time() + OPENID_COOKIE_EXPIRY); +} + +function oid_get_last() +{ + if (empty($_COOKIE[OPENID_COOKIE_KEY])) { + return null; + } + $openid_url = $_COOKIE[OPENID_COOKIE_KEY]; + if ($openid_url && strlen($openid_url) > 0) { + return $openid_url; + } else { + return null; + } +} + +function oid_link_user($id, $canonical, $display) +{ + + $oid = new User_openid(); + $oid->user_id = $id; + $oid->canonical = $canonical; + $oid->display = $display; + $oid->created = DB_DataObject_Cast::dateTime(); + + if (!$oid->insert()) { + $err = PEAR::getStaticProperty('DB_DataObject','lastError'); + common_debug('DB error ' . $err->code . ': ' . $err->message, __FILE__); + return false; + } + + return true; +} + +function oid_get_user($openid_url) +{ + $user = null; + $oid = User_openid::staticGet('canonical', $openid_url); + if ($oid) { + $user = User::staticGet('id', $oid->user_id); + } + return $user; +} + +function oid_check_immediate($openid_url, $backto=null) +{ + if (!$backto) { + $action = $_REQUEST['action']; + $args = common_copy_args($_GET); + unset($args['action']); + $backto = common_local_url($action, $args); + } + common_debug('going back to "' . $backto . '"', __FILE__); + + common_ensure_session(); + + $_SESSION['openid_immediate_backto'] = $backto; + common_debug('passed-in variable is "' . $backto . '"', __FILE__); + common_debug('session variable is "' . $_SESSION['openid_immediate_backto'] . '"', __FILE__); + + oid_authenticate($openid_url, + 'finishimmediate', + true); +} + +function oid_authenticate($openid_url, $returnto, $immediate=false) +{ + + $consumer = oid_consumer(); + + if (!$consumer) { + common_server_error(_('Cannot instantiate OpenID consumer object.')); + return false; + } + + common_ensure_session(); + + $auth_request = $consumer->begin($openid_url); + + // Handle failure status return values. + if (!$auth_request) { + return _('Not a valid OpenID.'); + } else if (Auth_OpenID::isFailure($auth_request)) { + return sprintf(_('OpenID failure: %s'), $auth_request->message); + } + + $sreg_request = Auth_OpenID_SRegRequest::build(// Required + array(), + // Optional + array('nickname', + 'email', + 'fullname', + 'language', + 'timezone', + 'postcode', + 'country')); + + if ($sreg_request) { + $auth_request->addExtension($sreg_request); + } + + $trust_root = common_root_url(true); + $process_url = common_local_url($returnto); + + if ($auth_request->shouldSendRedirect()) { + $redirect_url = $auth_request->redirectURL($trust_root, + $process_url, + $immediate); + if (!$redirect_url) { + } else if (Auth_OpenID::isFailure($redirect_url)) { + return sprintf(_('Could not redirect to server: %s'), $redirect_url->message); + } else { + common_redirect($redirect_url, 303); + } + } else { + // Generate form markup and render it. + $form_id = 'openid_message'; + $form_html = $auth_request->formMarkup($trust_root, $process_url, + $immediate, array('id' => $form_id)); + + # XXX: This is cheap, but things choke if we don't escape ampersands + # in the HTML attributes + + $form_html = preg_replace('/&/', '&', $form_html); + + // Display an error if the form markup couldn't be generated; + // otherwise, render the HTML. + if (Auth_OpenID::isFailure($form_html)) { + common_server_error(sprintf(_('Could not create OpenID form: %s'), $form_html->message)); + } else { + $action = new AutosubmitAction(); // see below + $action->form_html = $form_html; + $action->form_id = $form_id; + $action->prepare(array('action' => 'autosubmit')); + $action->handle(array('action' => 'autosubmit')); + } + } +} + +# Half-assed attempt at a module-private function + +function _oid_print_instructions() +{ + common_element('div', 'instructions', + _('This form should automatically submit itself. '. + 'If not, click the submit button to go to your '. + 'OpenID provider.')); +} + +# update a user from sreg parameters + +function oid_update_user(&$user, &$sreg) +{ + + $profile = $user->getProfile(); + + $orig_profile = clone($profile); + + if ($sreg['fullname'] && strlen($sreg['fullname']) <= 255) { + $profile->fullname = $sreg['fullname']; + } + + if ($sreg['country']) { + if ($sreg['postcode']) { + # XXX: use postcode to get city and region + # XXX: also, store postcode somewhere -- it's valuable! + $profile->location = $sreg['postcode'] . ', ' . $sreg['country']; + } else { + $profile->location = $sreg['country']; + } + } + + # XXX save language if it's passed + # XXX save timezone if it's passed + + if (!$profile->update($orig_profile)) { + common_server_error(_('Error saving the profile.')); + return false; + } + + $orig_user = clone($user); + + if ($sreg['email'] && Validate::email($sreg['email'], true)) { + $user->email = $sreg['email']; + } + + if (!$user->update($orig_user)) { + common_server_error(_('Error saving the user.')); + return false; + } + + return true; +} + +class AutosubmitAction extends Action +{ + var $form_html = null; + var $form_id = null; + + function handle($args) + { + parent::handle($args); + $this->showPage(); + } + + function title() + { + return _('OpenID Auto-Submit'); + } + + function showContent() + { + $this->raw($this->form_html); + $this->element('script', null, + '$(document).ready(function() { ' . + ' $(\'#'. $this->form_id .'\').submit(); '. + '});'); + } +} |