forked from GNUsocial/gnu-social
399 lines
13 KiB
PHP
399 lines
13 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')) {
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exit(1);
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}
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require_once('Auth/OpenID.php');
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require_once('Auth/OpenID/Consumer.php');
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require_once('Auth/OpenID/Server.php');
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require_once('Auth/OpenID/SReg.php');
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require_once('Auth/OpenID/MySQLStore.php');
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// About one year cookie expiry
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define('OPENID_COOKIE_EXPIRY', round(365.25 * 24 * 60 * 60));
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define('OPENID_COOKIE_KEY', 'lastusedopenid');
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function oid_store()
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{
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static $store = null;
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if (!$store) {
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// Can't be called statically
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$user = new User();
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$conn = $user->getDatabaseConnection();
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$store = new Auth_OpenID_MySQLStore($conn);
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}
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return $store;
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}
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function oid_consumer()
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{
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$store = oid_store();
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$consumer = new Auth_OpenID_Consumer($store);
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return $consumer;
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}
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function oid_server()
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{
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$store = oid_store();
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$server = new Auth_OpenID_Server($store, common_local_url('openidserver'));
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return $server;
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}
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function oid_clear_last()
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{
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oid_set_last('');
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}
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function oid_set_last($openid_url)
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{
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common_set_cookie(OPENID_COOKIE_KEY,
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$openid_url,
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time() + OPENID_COOKIE_EXPIRY);
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}
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function oid_get_last()
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{
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if (empty($_COOKIE[OPENID_COOKIE_KEY])) {
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return null;
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}
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$openid_url = $_COOKIE[OPENID_COOKIE_KEY];
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if ($openid_url && strlen($openid_url) > 0) {
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return $openid_url;
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} else {
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return null;
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}
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}
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function oid_link_user($id, $canonical, $display)
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{
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global $_PEAR;
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$oid = new User_openid();
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$oid->user_id = $id;
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$oid->canonical = $canonical;
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$oid->display = $display;
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$oid->created = common_sql_now();
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if (!$oid->insert()) {
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$err = &$_PEAR->getStaticProperty('DB_DataObject','lastError');
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return false;
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}
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return true;
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}
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function oid_get_user($openid_url)
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{
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$user = null;
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$oid = User_openid::getKV('canonical', $openid_url);
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if ($oid) {
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$user = User::getKV('id', $oid->user_id);
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}
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return $user;
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}
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function oid_check_immediate($openid_url, $backto=null)
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{
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if (!$backto) {
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$action = $_REQUEST['action'];
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$args = common_copy_args($_GET);
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unset($args['action']);
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$backto = common_local_url($action, $args);
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}
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common_ensure_session();
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$_SESSION['openid_immediate_backto'] = $backto;
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oid_authenticate($openid_url,
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'finishimmediate',
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true);
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}
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function oid_authenticate($openid_url, $returnto, $immediate=false)
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{
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$openid_url = Auth_OpenID::normalizeUrl($openid_url);
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if (!common_valid_http_url($openid_url)) {
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throw new ClientException(_m('No valid URL provided for OpenID.'));
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}
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$consumer = oid_consumer();
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if (!$consumer) {
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// TRANS: OpenID plugin server error.
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throw new ServerException(_m('Cannot instantiate OpenID consumer object.'));
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}
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common_ensure_session();
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$auth_request = $consumer->begin($openid_url);
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// Handle failure status return values.
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if (!$auth_request) {
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common_log(LOG_ERR, __METHOD__ . ": mystery fail contacting $openid_url");
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// TRANS: OpenID plugin message. Given when an OpenID is not valid.
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throw new ServerException(_m('Not a valid OpenID.'));
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} else if (Auth_OpenID::isFailure($auth_request)) {
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common_log(LOG_ERR, __METHOD__ . ": OpenID fail to $openid_url: $auth_request->message");
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// TRANS: OpenID plugin server error. Given when the OpenID authentication request fails.
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// TRANS: %s is the failure message.
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throw new ServerException(sprintf(_m('OpenID failure: %s.'), $auth_request->message));
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}
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$sreg_request = Auth_OpenID_SRegRequest::build(// Required
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array(),
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// Optional
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array('nickname',
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'email',
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'fullname',
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'language',
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'timezone',
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'postcode',
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'country'));
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if ($sreg_request) {
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$auth_request->addExtension($sreg_request);
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}
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$requiredTeam = common_config('openid', 'required_team');
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if ($requiredTeam) {
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// LaunchPad OpenID extension
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$team_request = new Auth_OpenID_TeamsRequest(array($requiredTeam));
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if ($team_request) {
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$auth_request->addExtension($team_request);
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}
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}
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$trust_root = common_root_url(true);
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$process_url = common_local_url($returnto);
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// Net::OpenID::Server as used on LiveJournal appears to incorrectly
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// reject POST requests for data submissions that OpenID 1.1 specs
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// as GET, although 2.0 allows them:
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// https://rt.cpan.org/Public/Bug/Display.html?id=42202
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//
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// Our OpenID libraries would have switched in the redirect automatically
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// if it were detecting 1.1 compatibility mode, however the server is
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// advertising itself as 2.0-compatible, so we got switched to the POST.
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//
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// Since the GET should always work anyway, we'll just take out the
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// autosubmitter for now.
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//
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//if ($auth_request->shouldSendRedirect()) {
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$redirect_url = $auth_request->redirectURL($trust_root,
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$process_url,
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$immediate);
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if (Auth_OpenID::isFailure($redirect_url)) {
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// TRANS: OpenID plugin server error. Given when the OpenID authentication request cannot be redirected.
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// TRANS: %s is the failure message.
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throw new ServerException(sprintf(_m('Could not redirect to server: %s.'), $redirect_url->message));
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}
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common_redirect($redirect_url, 303);
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/*
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} else {
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// Generate form markup and render it.
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$form_id = 'openid_message';
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$form_html = $auth_request->formMarkup($trust_root, $process_url,
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$immediate, array('id' => $form_id));
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// XXX: This is cheap, but things choke if we don't escape ampersands
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// in the HTML attributes
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$form_html = preg_replace('/&/', '&', $form_html);
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// Display an error if the form markup couldn't be generated;
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// otherwise, render the HTML.
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if (Auth_OpenID::isFailure($form_html)) {
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// TRANS: OpenID plugin server error if the form markup could not be generated.
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// TRANS: %s is the failure message.
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common_server_error(sprintf(_m('Could not create OpenID form: %s'), $form_html->message));
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} else {
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$action = new AutosubmitAction(); // see below
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$action->form_html = $form_html;
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$action->form_id = $form_id;
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$action->prepare(array('action' => 'autosubmit'));
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$action->handle(array('action' => 'autosubmit'));
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}
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}
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*/
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}
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// Half-assed attempt at a module-private function
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function _oid_print_instructions()
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{
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common_element('div', 'instructions',
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// TRANS: OpenID plugin user instructions.
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_m('This form should automatically submit itself. '.
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'If not, click the submit button to go to your '.
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'OpenID provider.'));
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}
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/**
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* Update a user from sreg parameters
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* @param User $user
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* @param array $sreg fields from OpenID sreg response
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* @access private
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*/
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function oid_update_user($user, $sreg)
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{
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$profile = $user->getProfile();
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$orig_profile = clone($profile);
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if (!empty($sreg['fullname']) && strlen($sreg['fullname']) <= 255) {
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$profile->fullname = $sreg['fullname'];
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}
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if (!empty($sreg['country'])) {
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if ($sreg['postcode']) {
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// XXX: use postcode to get city and region
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// XXX: also, store postcode somewhere -- it's valuable!
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$profile->location = $sreg['postcode'] . ', ' . $sreg['country'];
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} else {
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$profile->location = $sreg['country'];
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}
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}
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// XXX save language if it's passed
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// XXX save timezone if it's passed
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if (!$profile->update($orig_profile)) {
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// TRANS: OpenID plugin server error.
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common_server_error(_m('Error saving the profile.'));
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return false;
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}
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$orig_user = clone($user);
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if (!empty($sreg['email']) && Validate::email($sreg['email'], common_config('email', 'check_domain'))) {
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$user->email = $sreg['email'];
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}
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if (!$user->update($orig_user)) {
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// TRANS: OpenID plugin server error.
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common_server_error(_m('Error saving the user.'));
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return false;
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}
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return true;
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}
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function oid_assert_allowed($url)
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{
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$blacklist = common_config('openid', 'blacklist');
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$whitelist = common_config('openid', 'whitelist');
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if (empty($blacklist)) {
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$blacklist = array();
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}
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if (empty($whitelist)) {
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$whitelist = array();
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}
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foreach ($blacklist as $pattern) {
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if (preg_match("/$pattern/", $url)) {
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common_log(LOG_INFO, "Matched OpenID blacklist pattern {$pattern} with {$url}");
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foreach ($whitelist as $exception) {
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if (preg_match("/$exception/", $url)) {
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common_log(LOG_INFO, "Matched OpenID whitelist pattern {$exception} with {$url}");
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return;
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}
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}
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// TRANS: OpenID plugin client exception (403).
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throw new ClientException(_m('Unauthorized URL used for OpenID login.'), 403);
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}
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}
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return;
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}
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/**
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* Check the teams available in the given OpenID response
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* Using Launchpad's OpenID teams extension
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*
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* @return boolean whether this user is acceptable
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*/
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function oid_check_teams($response)
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{
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$requiredTeam = common_config('openid', 'required_team');
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if ($requiredTeam) {
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$team_resp = new Auth_OpenID_TeamsResponse($response);
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if ($team_resp) {
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$teams = $team_resp->getTeams();
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} else {
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$teams = array();
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}
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$match = in_array($requiredTeam, $teams);
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$is = $match ? 'is' : 'is not';
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common_log(LOG_DEBUG, "Remote user $is in required team $requiredTeam: [" . implode(', ', $teams) . "]");
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return $match;
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}
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return true;
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}
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class AutosubmitAction extends Action
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{
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var $form_html = null;
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var $form_id = null;
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function handle()
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{
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parent::handle();
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$this->showPage();
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}
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function title()
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{
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// TRANS: Title
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return _m('OpenID Login Submission');
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}
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function showContent()
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{
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$this->raw('<p style="margin: 20px 80px">');
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// @todo FIXME: This would be better using standard CSS class, but the present theme's a bit scary.
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$this->element('img', array('src' => Theme::path('images/icons/icon_processing.gif', 'base'),
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// for some reason the base CSS sets <img>s as block display?!
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'style' => 'display: inline'));
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// TRANS: OpenID plugin message used while requesting authorization user's OpenID login provider.
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$this->text(_m('Requesting authorization from your login provider...'));
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$this->raw('</p>');
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$this->raw('<p style="margin-top: 60px; font-style: italic">');
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// TRANS: OpenID plugin message. User instruction while requesting authorization user's OpenID login provider.
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$this->text(_m('If you are not redirected to your login provider in a few seconds, try pushing the button below.'));
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$this->raw('</p>');
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$this->raw($this->form_html);
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}
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function showScripts()
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{
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parent::showScripts();
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$this->element('script', null,
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'document.getElementById(\'' . $this->form_id . '\').submit();');
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}
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}
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