actions/recoverpassword.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 # You have 24 hours to claim your password
  23
  24 define(MAX_RECOVERY_TIME, 24 * 60 * 60);
  25
  26 class RecoverpasswordAction extends Action {
  27
  28     function handle($args) {
  29         parent::handle($args);
  30         if (common_logged_in()) {
  31                         $this->client_error(_t('You are already logged in!'));
  32             return;
  33         } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
  34                 if ($this->arg('recover')) {
  35                 $this->recover_password();
  36             } else if ($this->arg('reset')) {
  37                 $this->reset_password();
  38                         } else {
  39                                 $this->client_error(_t('Unexpected form.'));
  40                         }
  41                 } else {
  42                         if ($this->trimmed('code')) {
  43                         $this->check_code();
  44                 } else {
  45                         $this->show_form();
  46                         }
  47                 }
  48         }
  49
  50         function check_code() {
  51
  52                 $code = $this->trimmed('code');
  53                 $confirm = Confirm_address::staticGet($code);
  54
  55                 if (!$confirm) {
  56                         $this->client_error(_t('No such recovery code.'));
  57                         return;
  58                 }
  59                 if ($confirm->address_type != 'recover') {
  60                         $this->client_error(_t('Not a recovery code.'));
  61                         return;
  62                 }
  63
  64                 $user = User::staticGet($confirm->user_id);
  65
  66                 if (!$user) {
  67                         $this->server_error(_t('Recovery code for unknown user.'));
  68                         return;
  69                 }
  70
  71                 $touched = strtotime($confirm->modified);
  72
  73                 # Burn this code
  74
  75                 $result = $confirm->delete();
  76
  77                 if (!$result) {
  78                         common_log_db_error($confirm, 'DELETE', __FILE__);
  79                         common_server_error(_t('Error with confirmation code.'));
  80                         return;
  81                 }
  82
  83                 # These should be reaped, but for now we just check mod time
  84                 # Note: it's still deleted; let's avoid a second attempt!
  85
  86                 if ((time() - $touched) > MAX_RECOVERY_TIME) {
  87                         $this->client_error(_t('This confirmation code is too old. ' .
  88                                                'Please start again.'));
  89                         return;
  90                 }
  91
  92                 # Success!
  93
  94                 $this->set_temp_user($user);
  95                 $this->show_password_form();
  96         }
  97
  98         function set_temp_user(&$user) {
  99                 common_ensure_session();
 100                 $_SESSION['tempuser'] = $user->id;
 101         }
 102
 103         function get_temp_user() {
 104                 common_ensure_session();
 105                 $user_id = $_SESSION['tempuser'];
 106                 if ($user_id) {
 107                         $user = User::staticGet($user_id);
 108                 }
 109                 return $user;
 110         }
 111
 112         function clear_temp_user() {
 113                 common_ensure_session();
 114                 unset($_SESSION['tempuser']);
 115         }
 116
 117         function show_top($msg=NULL) {
 118                 if ($msg) {
 119             common_element('div', 'error', $msg);
 120                 } else {
 121                         common_element('div', 'instructions',
 122                                                    _t('If you\'ve forgotten or lost your' .
 123                                                       ' password, you can get a new one sent ' .
 124                                                       ' the email address you have stored ' .
 125                                                       ' in your account.'));
 126                 }
 127         }
 128
 129         function show_password_top($msg=NULL) {
 130                 if ($msg) {
 131             common_element('div', 'error', $msg);
 132                 } else {
 133                         common_element('div', 'instructions',
 134                                                    _t('You\'ve been identified. Enter a ' .
 135                                                       ' new password below. '));
 136                 }
 137         }
 138
 139         function show_form($msg=NULL) {
 140
 141                 common_show_header(_t('Recover password'), NULL,
 142                 $msg, array($this, 'show_top'));
 143
 144                 common_element_start('form', array('method' => 'post',
 145                                                                                    'id' => 'recoverpassword',
 146                                                                                    'action' => common_local_url('recoverpassword')));
 147                 common_input('nicknameoremail', _t('Nickname or email'),
 148                                          $this->trimmed('nicknameoremail'),
 149                              _t('Your nickname on this server, ' .
 150                                 'or your registered email address.'));
 151                 common_submit('recover', _t('Recover'));
 152                 common_element_end('form');
 153                 common_show_footer();
 154         }
 155
 156         function show_password_form($msg=NULL) {
 157
 158                 common_show_header(_t('Reset password'), NULL,
 159                 $msg, array($this, 'show_password_top'));
 160
 161                 common_element_start('form', array('method' => 'post',
 162                                                                                    'id' => 'recoverpassword',
 163                                                                                    'action' => common_local_url('recoverpassword')));
 164                 common_password('newpassword', _t('New password'),
 165                                                 _t('6 or more characters, and don\'t forget it!'));
 166                 common_password('confirm', _t('Confirm'),
 167                                                 _t('Same as password above'));
 168                 common_submit('reset', _t('Reset'));
 169                 common_element_end('form');
 170                 common_show_footer();
 171         }
 172
 173         function recover_password() {
 174                 $nore = $this->trimmed('nicknameoremail');
 175                 if (!$nore) {
 176                         $this->show_form(_t('Enter a nickname or email address.'));
 177                         return;
 178                 }
 179                 $user = User::staticGet('email', common_canonical_email($nore));
 180                 if (!$user) {
 181                         $user = User::staticGet('nickname', common_canonical_nickname($nore));
 182                 }
 183
 184                 if (!$user) {
 185                         $this->show_form(_t('No such user.'));
 186                         return;
 187                 }
 188                 if (!$user->email) {
 189                         $this->client_error(_t('No registered email address for that user.'));
 190                         return;
 191                 }
 192
 193                 $confirm = new Confirm_address();
 194                 $confirm->code = common_confirmation_code(128);
 195                 $confirm->address_type = 'recover';
 196                 $confirm->user_id = $user->id;
 197                 $confirm->address = $user->email;
 198
 199                 if (!$confirm->insert()) {
 200                         common_log_db_error($confirm, 'INSERT', __FILE__);
 201                         $this->server_error(_t('Error saving address confirmation.'));
 202                         return;
 203                 }
 204
 205                 $body = "Hey, $user->nickname.";
 206                 $body .= "\n\n";
 207                 $body .= 'Someone just asked for a new password ' .
 208                          'for this account on ' . common_config('site', 'name') . '.';
 209                 $body .= "\n\n";
 210                 $body .= 'If it was you, and you want to confirm, use the URL below:';
 211                 $body .= "\n\n";
 212                 $body .= "\t".common_local_url('recoverpassword',
 213                                                                    array('code' => $confirm->code));
 214                 $body .= "\n\n";
 215                 $body .= 'If not, just ignore this message.';
 216                 $body .= "\n\n";
 217                 $body .= 'Thanks for your time, ';
 218                 $body .= "\n";
 219                 $body .= common_config('site', 'name');
 220                 $body .= "\n";
 221
 222                 mail_to_user($user, _t('Password recovery requested'), $body);
 223
 224                 common_show_header(_('Password recovery requested'));
 225                 common_element('p', NULL,
 226                                _t('Instructions for recovering your password ' .
 227                                   'have been sent to the email address registered to your ' .
 228                                   'account.'));
 229                 common_show_footer();
 230         }
 231
 232         function reset_password() {
 233
 234                 $user = $this->get_temp_user();
 235
 236                 if (!$user) {
 237                         $this->client_error(_t('Unexpected password reset.'));
 238                         return;
 239                 }
 240
 241                 $newpassword = $this->trimmed('newpassword');
 242                 $confirm = $this->trimmed('confirm');
 243
 244                 if (!$newpassword || strlen($newpassword) < 6) {
 245                         $this->show_password_form(_t('Password must be 6 chars or more.'));
 246                         return;
 247                 }
 248                 if ($newpassword != $confirm) {
 249                         $this->show_password_form(_t('Password and confirmation do not match.'));
 250                         return;
 251                 }
 252
 253                 # OK, we're ready to go
 254
 255                 $original = clone($user);
 256
 257                 $user->password = common_munge_password($newpassword, $user->id);
 258
 259                 if (!$user->update($original)) {
 260                         common_log_db_error($user, 'UPDATE', __FILE__);
 261                         common_server_error(_t('Can\'t save new password.'));
 262                         return;
 263                 }
 264
 265                 $this->clear_temp_user();
 266
 267                 if (!common_set_user($user->nickname)) {
 268                         common_server_error(_t('Error setting user.'));
 269                         return;
 270                 }
 271
 272                 common_real_login(true);
 273
 274                 common_show_header(_('Password saved.'));
 275                 common_element('p', NULL, _t('New password successfully saved. ' .
 276                                              'You are now logged in.'));
 277                 common_show_footer();
 278         }
 279 }