relative info, too

[quix0rs-gnu-social.git] / actions / login.php

diff --git a/actions/login.php b/actions/login.php
index a95dc9e3a3d4511e5f3e3ac81570a242c01e5c4b..aa25a0cec5fb3a179524100c5a0af15dd25290a2 100644 (file)
--- a/actions/login.php
+++ b/actions/login.php
@@ -1,25 +1,144 @@
 <?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, 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/>.
+ */
 
-function handle_login() {
-       if ($_REQUEST['METHOD'] == 'POST') {
-               if (login_check_user($_REQUEST['user'], $_REQUEST['password'])) {
-                       
+if (!defined('LACONICA')) { exit(1); }
+
+class LoginAction extends Action {
+
+       function is_readonly() {
+               return true;
+       }
+
+       function handle($args) {
+               parent::handle($args);
+               if (common_is_real_login()) {
+                       common_user_error(_('Already logged in.'));
+               } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+                       $this->check_login();
+               } else {
+                       $this->show_form();
+               }
+       }
+
+       function check_login() {
+               # XXX: form token in $_SESSION to prevent XSS
+               # XXX: login throttle
+               $nickname = $this->arg('nickname');
+               $password = $this->arg('password');
+               if (common_check_user($nickname, $password)) {
+                       # success!
+                       if (!common_set_user($nickname)) {
+                               common_server_error(_('Error setting user.'));
+                               return;
+                       }
+                       common_real_login(true);
+                       if ($this->boolean('rememberme')) {
+                               common_debug('Adding rememberme cookie for ' . $nickname);
+                               common_rememberme();
+                       }
+                       # success!
+                       $url = common_get_returnto();
+                       if ($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);
+               } else {
+                       $this->show_form(_('Incorrect username or password.'));
+                       return;
+               }
+
+               # success!
+               if (!common_set_user($user)) {
+                       common_server_error(_('Error setting user.'));
+                       return;
+               }
+
+               common_real_login(true);
+
+               if ($this->boolean('rememberme')) {
+                       common_debug('Adding rememberme cookie for ' . $nickname);
+                       common_rememberme($user);
+               }
+               # success!
+               $url = common_get_returnto();
+               if ($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);
+       }
+
+       function show_form($error=NULL) {
+               common_show_header(_('Login'), NULL, $error, array($this, 'show_top'));
+               common_element_start('form', array('method' => 'post',
+                                                                                  'id' => 'login',
+                                                                                  'action' => common_local_url('login')));
+               common_input('nickname', _('Nickname'));
+               common_password('password', _('Password'));
+               common_checkbox('rememberme', _('Remember me'), false,
+                               _('Automatically login in the future; ' .
+                                  'not for shared computers!'));
+               common_submit('submit', _('Login'));
+               common_element_end('form');
+               common_element_start('p');
+               common_element('a', array('href' => common_local_url('recoverpassword')),
+                                          _('Lost or forgotten password?'));
+               common_element_end('p');
+               common_show_footer();
+       }
+
+       function get_instructions() {
+               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%%). ');
                }
-       } else {
-               if (user_logged_in()) {
+       }
+
+       function show_top($error=NULL) {
+               if ($error) {
+                       common_element('p', 'error', $error);
                } else {
-                       login_show_form();
+                       $instr = $this->get_instructions();
+                       $output = common_markup_to_html($instr);
+                       common_element_start('div', 'instructions');
+                       common_raw($output);
+                       common_element_end('div');
                }
        }
 }
-       
-function login_show_form() {
-       html_start();
-       html_head("Login");
-       html_body();
-}
-       
-function login_check_user($username, $password) {
-       
-}
\ No newline at end of file