d470c007fc
The Net::OpenID::Server perl module that LJ uses appears to be very picky about input, and rejects most request types unless the data comes in as GET parameters (apparently following OpenID 1.1 rules, rather than OpenID 2.0 rules which permit any request to be POSTed but requires that if so, the data must all be in the POST body). Apparently something got updated on LJ at some point that's either added that behavior or (more likely) added the OpenID 2.0 namespace info to discovery, which tells the Janrain-based OpenID libraries that they should go ahead and do POST requests instead of redirects to GET requests... thus breaking everything. ;) GET should be just fine for both 1.1 and 2.0 though, and also saves having to sit through that lame autosubmit page. Switched the authentication submission from checking whether it should redirect to GET or do a form POST, to simply always doing the redirect to GET. Tested against providers: * LiveJournal * Google * LaunchPad * identi.ca
397 lines
12 KiB
PHP
397 lines
12 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/User_openid.php');
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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, $display)
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{
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$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 = DB_DataObject_Cast::dateTime();
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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::staticGet('canonical', $openid_url);
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if ($oid) {
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$user = User::staticGet('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, $immediate=false)
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{
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$consumer = oid_consumer();
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if (!$consumer) {
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// TRANS: OpenID plugin server error.
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common_server_error(_m('Cannot instantiate OpenID consumer object.'));
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return false;
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}
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common_ensure_session();
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$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 $openid_url");
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// TRANS: OpenID plugin message. Given when an OpenID is not valid.
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return _m('Not a valid OpenID.');
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} else if (Auth_OpenID::isFailure($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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return 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 (!$redirect_url) {
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} else if (Auth_OpenID::isFailure($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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return sprintf(_m('Could not redirect to server: %s'), $redirect_url->message);
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} else {
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common_redirect($redirect_url, 303);
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}
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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 $form_id = null;
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function handle($args)
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{
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parent::handle($args);
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$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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$this->raw('<p style="margin: 20px 80px">');
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// @fixme this would be better using standard CSS class, but the present theme's a bit scary.
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$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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