actions/register.php

   1 <?php
   2 /*
   3  * Laconica - a distributed open-source microblogging tool
   4  * Copyright (C) 2008, Controlez-Vous, Inc.
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Affero General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 if (!defined('LACONICA')) { exit(1); }
  21
  22 class RegisterAction extends Action {
  23
  24         function handle($args) {
  25                 parent::handle($args);
  26
  27                 if (common_logged_in()) {
  28                         common_user_error(_t('Already logged in.'));
  29                 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
  30                         $this->try_register();
  31                 } else {
  32                         $this->show_form();
  33                 }
  34         }
  35
  36         function try_register() {
  37                 $nickname = $this->arg('nickname');
  38                 $password = $this->arg('password');
  39                 $confirm = $this->arg('confirm');
  40                 $email = $this->arg('email');
  41
  42                 # Input scrubbing
  43
  44                 $nickname = common_canonical_nickname($nickname);
  45                 $email = common_canonical_email($email);
  46
  47                 if ($this->nickname_exists($nickname)) {
  48                         $this->show_form(_t('Username already exists.'));
  49                 } else if ($this->email_exists($email)) {
  50                         $this->show_form(_t('Email address already exists.'));
  51                 } else if ($password != $confirm) {
  52                         $this->show_form(_t('Passwords don\'t match.'));
  53                 } else if ($this->register_user($nickname, $password, $email)) {
  54                         common_set_user($nickname);
  55                         common_redirect(common_local_url('settings'));
  56                 } else {
  57                         $this->show_form(_t('Invalid username or password.'));
  58                 }
  59         }
  60
  61         # checks if *CANONICAL* nickname exists
  62
  63         function nickname_exists($nickname) {
  64                 $user = User::staticGet('nickname', $nickname);
  65                 return ($user !== false);
  66         }
  67
  68         # checks if *CANONICAL* email exists
  69
  70         function email_exists($email) {
  71                 $email = common_canonicalize_email($email);
  72                 $user = User::staticGet('email', $email);
  73                 return ($user !== false);
  74         }
  75
  76         function register_user($nickname, $password, $email) {
  77                 # TODO: wrap this in a transaction!
  78                 $profile = new Profile();
  79                 $profile->nickname = $nickname;
  80                 $profile->created = time();
  81                 $id = $profile->insert();
  82                 if (!$id) {
  83                         return FALSE;
  84                 }
  85                 $user = new User();
  86                 $user->id = $id;
  87                 $user->nickname = $nickname;
  88                 $user->password = common_munge_password($password, $id);
  89                 $user->email = $email;
  90                 $user->created = time();
  91                 $result = $user->insert();
  92                 if (!$result) {
  93                         # Try to clean up...
  94                         $profile->delete();
  95                 }
  96                 return $result;
  97         }
  98
  99         function show_form($error=NULL) {
 100
 101                 common_show_header(_t('Register'));
 102                 common_element_start('form', array('method' => 'POST',
 103                                                                                    'id' => 'login',
 104                                                                                    'action' => common_local_url('register')));
 105                 common_element('label', array('for' => 'username'),
 106                                            _t('Name'));
 107                 common_element('input', array('name' => 'username',
 108                                                                           'type' => 'text',
 109                                                                           'id' => 'username'));
 110                 common_element('label', array('for' => 'password'),
 111                                            _t('Password'));
 112                 common_element('input', array('name' => 'password',
 113                                                                           'type' => 'password',
 114                                                                           'id' => 'password'));
 115                 common_element('label', array('for' => 'confirm'),
 116                                            _t('Confirm'));
 117                 common_element('input', array('name' => 'confirm',
 118                                                                           'type' => 'password',
 119                                                                           'id' => 'confirm'));
 120                 common_element('label', array('for' => 'email'),
 121                                            _t('Email'));
 122                 common_element('input', array('name' => 'email',
 123                                                                           'type' => 'text',
 124                                                                           'id' => 'email'));
 125                 common_element('input', array('name' => 'submit',
 126                                                                           'type' => 'submit',
 127                                                                           'id' => 'submit',
 128                                                                           'value' => _t('Login')));
 129                 common_element('input', array('name' => 'cancel',
 130                                                                           'type' => 'button',
 131                                                                           'id' => 'cancel',
 132                                                                           'value' => _t('Cancel')));
 133                 common_element_end('form');
 134         }
 135 }