--- /dev/null
- if (common_is_real_login()) {
+<?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);
- 'format' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) {
++ 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' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) {
++ '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);
+ }
+}
--- /dev/null
- if (common_is_real_login()) {
+<?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 OpenidloginAction extends Action
+{
+ 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') {
+ $openid_url = $this->trimmed('openid_url');
+
+ # CSRF protection
+ $token = $this->trimmed('token');
+ if (!$token || $token != common_session_token()) {
+ $this->showForm(_('There was a problem with your session token. Try again, please.'), $openid_url);
+ return;
+ }
+
+ $rememberme = $this->boolean('rememberme');
+
+ common_ensure_session();
+
+ $_SESSION['openid_rememberme'] = $rememberme;
+
+ $result = oid_authenticate($openid_url,
+ 'finishopenidlogin');
+
+ if (is_string($result)) { # error message
+ unset($_SESSION['openid_rememberme']);
+ $this->showForm($result, $openid_url);
+ }
+ } else {
+ $openid_url = oid_get_last();
+ $this->showForm(null, $openid_url);
+ }
+ }
+
+ function getInstructions()
+ {
+ if (common_logged_in() && !common_is_real_login() &&
+ common_get_returnto()) {
+ // rememberme logins have to reauthenticate before
+ // changing any profile settings (cookie-stealing protection)
+ return _('For security reasons, please re-login with your ' .
+ '[OpenID](%%doc.openid%%) ' .
+ 'before changing your settings.');
+ } else {
+ return _('Login with an [OpenID](%%doc.openid%%) account.');
+ }
+ }
+
+ function showPageNotice()
+ {
+ if ($this->error) {
+ $this->element('div', array('class' => 'error'), $this->error);
+ } else {
+ $instr = $this->getInstructions();
+ $output = common_markup_to_html($instr);
+ $this->elementStart('div', 'instructions');
+ $this->raw($output);
+ $this->elementEnd('div');
+ }
+ }
+
+ function title()
+ {
+ return _('OpenID Login');
+ }
+
+ function showForm($error=null, $openid_url)
+ {
+ $this->error = $error;
+ $this->openid_url = $openid_url;
+ $this->showPage();
+ }
+
+ function showContent() {
+ $formaction = common_local_url('openidlogin');
+ $this->elementStart('form', array('method' => 'post',
+ 'id' => 'form_openid_login',
+ 'class' => 'form_settings',
+ 'action' => $formaction));
+ $this->elementStart('fieldset');
+ $this->element('legend', null, _('OpenID login'));
+ $this->hidden('token', common_session_token());
+
+ $this->elementStart('ul', 'form_data');
+ $this->elementStart('li');
+ $this->input('openid_url', _('OpenID URL'),
+ $this->openid_url,
+ _('Your OpenID URL'));
+ $this->elementEnd('li');
+ $this->elementStart('li', array('id' => 'settings_rememberme'));
+ $this->checkbox('rememberme', _('Remember me'), false,
+ _('Automatically login in the future; ' .
+ 'not for shared computers!'));
+ $this->elementEnd('li');
+ $this->elementEnd('ul');
+ $this->submit('submit', _('Login'));
+ $this->elementEnd('fieldset');
+ $this->elementEnd('form');
+ }
+
+ function showLocalNav()
+ {
+ $nav = new LoginGroupNav($this);
+ $nav->show();
+ }
+}
--- /dev/null
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Settings for OpenID
+ *
+ * PHP version 5
+ *
+ * LICENCE: 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/>.
+ *
+ * @category Settings
+ * @package Laconica
+ * @author Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2008-2009 Control Yourself, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+ exit(1);
+}
+
+require_once INSTALLDIR.'/lib/accountsettingsaction.php';
+require_once INSTALLDIR.'/plugins/OpenID/openid.php';
+
+/**
+ * Settings for OpenID
+ *
+ * Lets users add, edit and delete OpenIDs from their account
+ *
+ * @category Settings
+ * @package Laconica
+ * @author Evan Prodromou <evan@controlyourself.ca>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://laconi.ca/
+ */
+
+class OpenidsettingsAction extends AccountSettingsAction
+{
+ /**
+ * Title of the page
+ *
+ * @return string Page title
+ */
+
+ function title()
+ {
+ return _('OpenID settings');
+ }
+
+ /**
+ * Instructions for use
+ *
+ * @return string Instructions for use
+ */
+
+ function getInstructions()
+ {
+ return _('[OpenID](%%doc.openid%%) lets you log into many sites' .
+ ' with the same user account.'.
+ ' Manage your associated OpenIDs from here.');
+ }
+
+ /**
+ * Show the form for OpenID management
+ *
+ * We have one form with a few different submit buttons to do different things.
+ *
+ * @return void
+ */
+
+ function showContent()
+ {
++ if (!common_config('openid', 'enabled')) {
++ $this->element('div', array('class' => 'error'),
++ _('OpenID is not available.'));
++ return;
++ }
++
+ $user = common_current_user();
+
+ $this->elementStart('form', array('method' => 'post',
+ 'id' => 'form_settings_openid_add',
+ 'class' => 'form_settings',
+ 'action' =>
+ common_local_url('openidsettings')));
+ $this->elementStart('fieldset', array('id' => 'settings_openid_add'));
+ $this->element('legend', null, _('Add OpenID'));
+ $this->hidden('token', common_session_token());
+ $this->element('p', 'form_guide',
+ _('If you want to add an OpenID to your account, ' .
+ 'enter it in the box below and click "Add".'));
+ $this->elementStart('ul', 'form_data');
+ $this->elementStart('li');
+ $this->element('label', array('for' => 'openid_url'),
+ _('OpenID URL'));
+ $this->element('input', array('name' => 'openid_url',
+ 'type' => 'text',
+ 'id' => 'openid_url'));
+ $this->elementEnd('li');
+ $this->elementEnd('ul');
+ $this->element('input', array('type' => 'submit',
+ 'id' => 'settings_openid_add_action-submit',
+ 'name' => 'add',
+ 'class' => 'submit',
+ 'value' => _('Add')));
+ $this->elementEnd('fieldset');
+ $this->elementEnd('form');
+
+ $oid = new User_openid();
+
+ $oid->user_id = $user->id;
+
+ $cnt = $oid->find();
+
+ if ($cnt > 0) {
+
+ $this->element('h2', null, _('Remove OpenID'));
+
+ if ($cnt == 1 && !$user->password) {
+
+ $this->element('p', 'form_guide',
+ _('Removing your only OpenID '.
+ 'would make it impossible to log in! ' .
+ 'If you need to remove it, '.
+ 'add another OpenID first.'));
+
+ if ($oid->fetch()) {
+ $this->elementStart('p');
+ $this->element('a', array('href' => $oid->canonical),
+ $oid->display);
+ $this->elementEnd('p');
+ }
+
+ } else {
+
+ $this->element('p', 'form_guide',
+ _('You can remove an OpenID from your account '.
+ 'by clicking the button marked "Remove".'));
+ $idx = 0;
+
+ while ($oid->fetch()) {
+ $this->elementStart('form',
+ array('method' => 'POST',
+ 'id' => 'form_settings_openid_delete' . $idx,
+ 'class' => 'form_settings',
+ 'action' =>
+ common_local_url('openidsettings')));
+ $this->elementStart('fieldset');
+ $this->hidden('token', common_session_token());
+ $this->element('a', array('href' => $oid->canonical),
+ $oid->display);
+ $this->element('input', array('type' => 'hidden',
+ 'id' => 'openid_url'.$idx,
+ 'name' => 'openid_url',
+ 'value' => $oid->canonical));
+ $this->element('input', array('type' => 'submit',
+ 'id' => 'remove'.$idx,
+ 'name' => 'remove',
+ 'class' => 'submit remove',
+ 'value' => _('Remove')));
+ $this->elementEnd('fieldset');
+ $this->elementEnd('form');
+ $idx++;
+ }
+ }
+ }
+ }
+
+ /**
+ * Handle a POST request
+ *
+ * Muxes to different sub-functions based on which button was pushed
+ *
+ * @return void
+ */
+
+ function handlePost()
+ {
+ // CSRF protection
+ $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('add')) {
+ $result = oid_authenticate($this->trimmed('openid_url'),
+ 'finishaddopenid');
+ if (is_string($result)) { // error message
+ $this->showForm($result);
+ }
+ } else if ($this->arg('remove')) {
+ $this->removeOpenid();
+ } else {
+ $this->showForm(_('Something weird happened.'));
+ }
+ }
+
+ /**
+ * Handles a request to remove an OpenID from the user's account
+ *
+ * Validates input and, if everything is OK, deletes the OpenID.
+ * Reloads the form with a success or error notification.
+ *
+ * @return void
+ */
+
+ function removeOpenid()
+ {
+ $openid_url = $this->trimmed('openid_url');
+
+ $oid = User_openid::staticGet('canonical', $openid_url);
+
+ if (!$oid) {
+ $this->showForm(_('No such OpenID.'));
+ return;
+ }
+ $cur = common_current_user();
+ if (!$cur || $oid->user_id != $cur->id) {
+ $this->showForm(_('That OpenID does not belong to you.'));
+ return;
+ }
+ $oid->delete();
+ $this->showForm(_('OpenID removed.'), true);
+ return;
+ }
+}