309 lines
8.9 KiB
PHP
309 lines
8.9 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Login form
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*
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* PHP version 5
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*
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* LICENCE: 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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* @category Login
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @author Sarven Capadisli <csarven@status.net>
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* @copyright 2008-2009 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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/**
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* Login form
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*
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* @category Personal
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @author Sarven Capadisli <csarven@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class LoginAction extends Action
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{
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/**
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* Has there been an error?
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*/
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var $error = null;
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/**
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* Is this a read-only action?
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*
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* @return boolean false
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*/
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function isReadOnly($args)
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{
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return false;
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}
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/**
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* Prepare page to run
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*
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*
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* @param $args
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* @return string title
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*/
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function prepare($args)
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{
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parent::prepare($args);
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// @todo this check should really be in index.php for all sensitive actions
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$ssl = common_config('site', 'ssl');
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if (empty($_SERVER['HTTPS']) && ($ssl == 'always' || $ssl == 'sometimes')) {
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common_redirect(common_local_url('login'));
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// exit
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}
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return true;
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}
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/**
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* Handle input, produce output
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*
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* Switches on request method; either shows the form or handles its input.
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*
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* @param array $args $_REQUEST data
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*
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* @return void
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*/
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function handle($args)
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{
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parent::handle($args);
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if (common_is_real_login()) {
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$user = common_current_user();
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common_redirect(common_local_url('all', array('nickname' => $user->nickname)), 307);
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} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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$this->checkLogin();
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} else {
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common_ensure_session();
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$this->showForm();
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}
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}
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/**
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* Check the login data
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*
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* Determines if the login data is valid. If so, logs the user
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* in, and redirects to the 'with friends' page, or to the stored
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* return-to URL.
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*
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* @return void
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*/
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function checkLogin($user_id=null, $token=null)
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{
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// XXX: login throttle
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$nickname = $this->trimmed('nickname');
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$password = $this->arg('password');
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$user = common_check_user($nickname, $password);
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if (!$user) {
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// TRANS: Form validation error displayed when trying to log in with incorrect credentials.
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$this->showForm(_('Incorrect username or password.'));
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return;
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}
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// success!
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if (!common_set_user($user)) {
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// TRANS: Server error displayed when during login a server error occurs.
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$this->serverError(_('Error setting user. You are probably not authorized.'));
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return;
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}
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common_real_login(true);
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if ($this->boolean('rememberme')) {
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common_rememberme($user);
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}
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$url = common_get_returnto();
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if ($url) {
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// We don't have to return to it again
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common_set_returnto(null);
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$url = common_inject_session($url);
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} else {
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$url = common_local_url('all',
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array('nickname' =>
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$user->nickname));
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}
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common_redirect($url, 303);
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}
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/**
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* Store an error and show the page
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*
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* This used to show the whole page; now, it's just a wrapper
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* that stores the error in an attribute.
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*
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* @param string $error error, if any.
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*
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* @return void
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*/
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function showForm($error=null)
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{
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$this->error = $error;
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$this->showPage();
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}
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function showScripts()
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{
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parent::showScripts();
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$this->autofocus('nickname');
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}
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/**
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* Title of the page
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*
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* @return string title of the page
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*/
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function title()
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{
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// TRANS: Page title for login page.
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return _('Login');
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}
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/**
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* Show page notice
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*
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* Display a notice for how to use the page, or the
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* error if it exists.
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*
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* @return void
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*/
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function showPageNotice()
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{
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if ($this->error) {
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$this->element('p', 'error', $this->error);
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} else {
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$instr = $this->getInstructions();
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$output = common_markup_to_html($instr);
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$this->raw($output);
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}
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}
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/**
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* Core of the display code
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*
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* Shows the login form.
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*
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* @return void
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*/
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function showContent()
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{
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$this->elementStart('form', array('method' => 'post',
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'id' => 'form_login',
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'class' => 'form_settings',
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'action' => common_local_url('login')));
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$this->elementStart('fieldset');
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// TRANS: Form legend on login page.
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$this->element('legend', null, _('Login to site'));
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li');
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// TRANS: Field label on login page.
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$this->input('nickname', _('Username or email address'));
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$this->elementEnd('li');
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$this->elementStart('li');
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// TRANS: Field label on login page.
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$this->password('password', _('Password'));
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$this->elementEnd('li');
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$this->elementStart('li');
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// TRANS: Checkbox label label on login page.
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$this->checkbox('rememberme', _('Remember me'), false,
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// TRANS: Checkbox title on login page.
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_('Automatically login in the future; ' .
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'not for shared computers!'));
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$this->elementEnd('li');
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$this->elementEnd('ul');
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// TRANS: Button text for log in on login page.
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$this->submit('submit', _m('BUTTON','Login'));
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$this->elementEnd('fieldset');
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$this->elementEnd('form');
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$this->elementStart('p');
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$this->element('a', array('href' => common_local_url('recoverpassword')),
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// TRANS: Link text for link to "reset password" on login page.
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_('Lost or forgotten password?'));
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$this->elementEnd('p');
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}
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/**
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* Instructions for using the form
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*
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* For "remembered" logins, we make the user re-login when they
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* try to change settings. Different instructions for this case.
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*
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* @return void
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*/
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function getInstructions()
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{
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if (common_logged_in() && !common_is_real_login() &&
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common_get_returnto()) {
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// rememberme logins have to reauthenticate before
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// changing any profile settings (cookie-stealing protection)
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// TRANS: Form instructions on login page before being able to change user settings.
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return _('For security reasons, please re-enter your ' .
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'user name and password ' .
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'before changing your settings.');
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} else {
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// TRANS: Form instructions on login page.
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$prompt = _('Login with your username and password.');
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if (!common_config('site', 'closed') && !common_config('site', 'inviteonly')) {
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$prompt .= ' ';
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// TRANS: Form instructions on login page. This message contains Markdown links in the form [Link text](Link).
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// TRANS: %%action.register%% is a link to the registration page.
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$prompt .= _('Don\'t have a username yet? ' .
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'[Register](%%action.register%%) a new account.');
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}
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return $prompt;
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}
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}
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/**
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* A local menu
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*
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* Shows different login/register actions.
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*
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* @return void
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*/
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function showLocalNav()
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{
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$nav = new LoginGroupNav($this);
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$nav->show();
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}
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function showNoticeForm()
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{
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}
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function showProfileBlock()
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{
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}
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}
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