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-rw-r--r--plugins/OpenID/openid.php280
1 files changed, 280 insertions, 0 deletions
diff --git a/plugins/OpenID/openid.php b/plugins/OpenID/openid.php
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--- /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('/&/', '&amp;', $form_html);
+
+ // Display an error if the form markup couldn't be generated;
+ // otherwise, render the HTML.
+ if (Auth_OpenID::isFailure($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(); '.
+ '});');
+ }
+}