<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Login form
+ *
+ * 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 Login
+ * @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/
+ */
-function handle_login() {
- if ($_REQUEST['METHOD'] == 'POST') {
- if (login_check_user($_REQUEST['user'], $_REQUEST['password'])) {
-
- } else {
- }
- } else {
- if (user_logged_in()) {
- } else {
- login_show_form();
- }
- }
+if (!defined('LACONICA')) {
+ exit(1);
}
-
-function login_show_form() {
- html_start();
- html_head("Login");
- html_body();
+
+/**
+ * Login form
+ *
+ * @category Personal
+ * @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 LoginAction extends Action
+{
+ /**
+ * Has there been an error?
+ */
+
+ var $error = null;
+
+ /**
+ * Is this a read-only action?
+ *
+ * @return boolean false
+ */
+
+ function isReadOnly()
+ {
+ return false;
+ }
+
+ /**
+ * Handle input, produce output
+ *
+ * Switches on request method; either shows the form or handles its input.
+ *
+ * @param array $args $_REQUEST data
+ *
+ * @return void
+ */
+
+ function handle($args)
+ {
+ parent::handle($args);
+ if (common_is_real_login()) {
+ $this->clientError(_('Already logged in.'));
+ } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+ $this->checkLogin();
+ } else {
+ common_ensure_session();
+ $this->showForm();
+ }
+ }
+
+ /**
+ * Check the login data
+ *
+ * Determines if the login data is valid. If so, logs the user
+ * in, and redirects to the 'with friends' page, or to the stored
+ * return-to URL.
+ *
+ * @return void
+ */
+
+ function checkLogin()
+ {
+ // XXX: login throttle
+
+ // CSRF protection - token set in NoticeForm
+ $token = $this->trimmed('token');
+ if (!$token || $token != common_session_token()) {
+ $this->clientError(_('There was a problem with your session token. '.
+ 'Try again, please.'));
+ return;
+ }
+
+ $nickname = common_canonical_nickname($this->trimmed('nickname'));
+ $password = $this->arg('password');
+
+ $user = common_check_user($nickname, $password);
+
+ if (!$user) {
+ $this->showForm(_('Incorrect username or password.'));
+ return;
+ }
+
+ // success!
+ if (!common_set_user($user)) {
+ $this->serverError(_('Error setting user.'));
+ return;
+ }
+
+ common_real_login(true);
+
+ if ($this->boolean('rememberme')) {
+ common_rememberme($user);
+ }
+
+ $url = common_get_returnto();
+
+ if ($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);
+ }
+
+ /**
+ * Store an error and show the page
+ *
+ * This used to show the whole page; now, it's just a wrapper
+ * that stores the error in an attribute.
+ *
+ * @param string $error error, if any.
+ *
+ * @return void
+ */
+
+ function showForm($error=null)
+ {
+ $this->error = $error;
+ $this->showPage();
+ }
+
+ /**
+ * Title of the page
+ *
+ * @return string title of the page
+ */
+
+ function title()
+ {
+ return _('Login');
+ }
+
+ /**
+ * Show page notice
+ *
+ * Display a notice for how to use the page, or the
+ * error if it exists.
+ *
+ * @return void
+ */
+
+ function showPageNotice()
+ {
+ if ($this->error) {
+ $this->element('p', 'error', $this->error);
+ } else {
+ $instr = $this->getInstructions();
+ $output = common_markup_to_html($instr);
+
+ $this->raw($output);
+ }
+ }
+
+ /**
+ * Core of the display code
+ *
+ * Shows the login form.
+ *
+ * @return void
+ */
+
+ function showContent()
+ {
+ $this->elementStart('form', array('method' => 'post',
+ 'id' => 'form_login',
+ 'class' => 'form_settings',
+ 'action' => common_local_url('login')));
+ $this->elementStart('fieldset');
+ $this->element('legend', null, _('Login to site'));
+ $this->elementStart('ul', 'form_data');
+ $this->elementStart('li');
+ $this->input('nickname', _('Nickname'));
+ $this->elementEnd('li');
+ $this->elementStart('li');
+ $this->password('password', _('Password'));
+ $this->elementEnd('li');
+ $this->elementStart('li');
+ $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->hidden('token', common_session_token());
+ $this->elementEnd('fieldset');
+ $this->elementEnd('form');
+ $this->elementStart('p');
+ $this->element('a', array('href' => common_local_url('recoverpassword')),
+ _('Lost or forgotten password?'));
+ $this->elementEnd('p');
+ }
+
+ /**
+ * Instructions for using the form
+ *
+ * For "remembered" logins, we make the user re-login when they
+ * try to change settings. Different instructions for this case.
+ *
+ * @return void
+ */
+
+ 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-enter your ' .
+ 'user name and password ' .
+ 'before changing your settings.');
+ } else {
+ return _('Login with your username and password. ' .
+ 'Don\'t have a username yet? ' .
+ '[Register](%%action.register%%) a new account, or ' .
+ 'try [OpenID](%%action.openidlogin%%). ');
+ }
+ }
+
+ /**
+ * A local menu
+ *
+ * Shows different login/register actions.
+ *
+ * @return void
+ */
+
+ function showLocalNav()
+ {
+ $nav = new LoginGroupNav($this);
+ $nav->show();
+ }
}
-
-function login_check_user($username, $password) {
-
-}
\ No newline at end of file
projects / quix0rs-gnu-social.git / blobdiff