src/Module/Register.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Module;
  23
  24 use Friendica\BaseModule;
  25 use Friendica\Content\Text\BBCode;
  26 use Friendica\Core\Hook;
  27 use Friendica\Core\L10n;
  28 use Friendica\Core\Logger;
  29 use Friendica\Core\Renderer;
  30 use Friendica\Core\Worker;
  31 use Friendica\Database\DBA;
  32 use Friendica\DI;
  33 use Friendica\Model;
  34 use Friendica\Model\User;
  35 use Friendica\Util\Proxy;
  36 use Friendica\Util\Strings;
  37
  38 /**
  39  * @author Hypolite Petovan <hypolite@mrpetovan.com>
  40  */
  41 class Register extends BaseModule
  42 {
  43         const CLOSED  = 0;
  44         const APPROVE = 1;
  45         const OPEN    = 2;
  46
  47         /**
  48          * Module GET method to display any content
  49          *
  50          * Extend this method if the module is supposed to return any display
  51          * through a GET request. It can be an HTML page through templating or a
  52          * XML feed or a JSON output.
  53          *
  54          * @return string
  55          */
  56         public static function content(array $parameters = [])
  57         {
  58                 // logged in users can register others (people/pages/groups)
  59                 // even with closed registrations, unless specifically prohibited by site policy.
  60                 // 'block_extended_register' blocks all registrations, period.
  61                 $block = DI::config()->get('system', 'block_extended_register');
  62
  63                 if (local_user() && $block) {
  64                         notice(DI::l10n()->t('Permission denied.'));
  65                         return '';
  66                 }
  67
  68                 if (local_user()) {
  69                         $user = DBA::selectFirst('user', ['parent-uid'], ['uid' => local_user()]);
  70                         if (!empty($user['parent-uid'])) {
  71                                 notice(DI::l10n()->t('Only parent users can create additional accounts.'));
  72                                 return '';
  73                         }
  74                 }
  75
  76                 if (!local_user() && (intval(DI::config()->get('config', 'register_policy')) === self::CLOSED)) {
  77                         notice(DI::l10n()->t('Permission denied.'));
  78                         return '';
  79                 }
  80
  81                 $max_dailies = intval(DI::config()->get('system', 'max_daily_registrations'));
  82                 if ($max_dailies) {
  83                         $count = DBA::count('user', ['`register_date` > UTC_TIMESTAMP - INTERVAL 1 day']);
  84                         if ($count >= $max_dailies) {
  85                                 Logger::notice('max daily registrations exceeded.');
  86                                 notice(DI::l10n()->t('This site has exceeded the number of allowed daily account registrations. Please try again tomorrow.'));
  87                                 return '';
  88                         }
  89                 }
  90
  91                 $username   = $_REQUEST['username']   ?? '';
  92                 $email      = $_REQUEST['email']      ?? '';
  93                 $openid_url = $_REQUEST['openid_url'] ?? '';
  94                 $nickname   = $_REQUEST['nickname']   ?? '';
  95                 $photo      = $_REQUEST['photo']      ?? '';
  96                 $invite_id  = $_REQUEST['invite_id']  ?? '';
  97
  98                 if (local_user() || DI::config()->get('system', 'no_openid')) {
  99                         $fillwith = '';
 100                         $fillext  = '';
 101                         $oidlabel = '';
 102                 } else {
 103                         $fillwith = DI::l10n()->t('You may (optionally) fill in this form via OpenID by supplying your OpenID and clicking "Register".');
 104                         $fillext  = DI::l10n()->t('If you are not familiar with OpenID, please leave that field blank and fill in the rest of the items.');
 105                         $oidlabel = DI::l10n()->t('Your OpenID (optional): ');
 106                 }
 107
 108                 if (DI::config()->get('system', 'publish_all')) {
 109                         $profile_publish = '<input type="hidden" name="profile_publish_reg" value="1" />';
 110                 } else {
 111                         $publish_tpl = Renderer::getMarkupTemplate('profile/publish.tpl');
 112                         $profile_publish = Renderer::replaceMacros($publish_tpl, [
 113                                 '$instance'     => 'reg',
 114                                 '$pubdesc'      => DI::l10n()->t('Include your profile in member directory?'),
 115                                 '$yes_selected' => '',
 116                                 '$no_selected'  => ' checked="checked"',
 117                                 '$str_yes'      => DI::l10n()->t('Yes'),
 118                                 '$str_no'       => DI::l10n()->t('No'),
 119                         ]);
 120                 }
 121
 122                 $ask_password = !DBA::count('contact');
 123
 124                 $tpl = Renderer::getMarkupTemplate('register.tpl');
 125
 126                 $arr = ['template' => $tpl];
 127
 128                 Hook::callAll('register_form', $arr);
 129
 130                 $tpl = $arr['template'];
 131
 132                 $tos = new Tos();
 133
 134                 $o = Renderer::replaceMacros($tpl, [
 135                         '$invitations'  => DI::config()->get('system', 'invitation_only'),
 136                         '$permonly'     => intval(DI::config()->get('config', 'register_policy')) === self::APPROVE,
 137                         '$permonlybox'  => ['permonlybox', DI::l10n()->t('Note for the admin'), '', DI::l10n()->t('Leave a message for the admin, why you want to join this node'), DI::l10n()->t('Required')],
 138                         '$invite_desc'  => DI::l10n()->t('Membership on this site is by invitation only.'),
 139                         '$invite_label' => DI::l10n()->t('Your invitation code: '),
 140                         '$invite_id'    => $invite_id,
 141                         '$regtitle'     => DI::l10n()->t('Registration'),
 142                         '$registertext' => BBCode::convert(DI::config()->get('config', 'register_text', '')),
 143                         '$fillwith'     => $fillwith,
 144                         '$fillext'      => $fillext,
 145                         '$oidlabel'     => $oidlabel,
 146                         '$openid'       => $openid_url,
 147                         '$namelabel'    => DI::l10n()->t('Your Full Name (e.g. Joe Smith, real or real-looking): '),
 148                         '$addrlabel'    => DI::l10n()->t('Your Email Address: (Initial information will be send there, so this has to be an existing address.)'),
 149                         '$addrlabel2'   => DI::l10n()->t('Please repeat your e-mail address:'),
 150                         '$ask_password' => $ask_password,
 151                         '$password1'    => ['password1', DI::l10n()->t('New Password:'), '', DI::l10n()->t('Leave empty for an auto generated password.')],
 152                         '$password2'    => ['confirm', DI::l10n()->t('Confirm:'), '', ''],
 153                         '$nickdesc'     => DI::l10n()->t('Choose a profile nickname. This must begin with a text character. Your profile address on this site will then be "<strong>nickname@%s</strong>".', DI::baseUrl()->getHostname()),
 154                         '$nicklabel'    => DI::l10n()->t('Choose a nickname: '),
 155                         '$photo'        => $photo,
 156                         '$publish'      => $profile_publish,
 157                         '$regbutt'      => DI::l10n()->t('Register'),
 158                         '$username'     => $username,
 159                         '$email'        => $email,
 160                         '$nickname'     => $nickname,
 161                         '$sitename'     => DI::baseUrl()->getHostname(),
 162                         '$importh'      => DI::l10n()->t('Import'),
 163                         '$importt'      => DI::l10n()->t('Import your profile to this friendica instance'),
 164                         '$showtoslink'  => DI::config()->get('system', 'tosdisplay'),
 165                         '$tostext'      => DI::l10n()->t('Terms of Service'),
 166                         '$showprivstatement' => DI::config()->get('system', 'tosprivstatement'),
 167                         '$privstatement'=> $tos->privacy_complete,
 168                         '$form_security_token' => BaseModule::getFormSecurityToken('register'),
 169                         '$explicit_content' => DI::config()->get('system', 'explicit_content', false),
 170                         '$explicit_content_note' => DI::l10n()->t('Note: This node explicitly contains adult content'),
 171                         '$additional'   => !empty(local_user()),
 172                         '$parent_password' => ['parent_password', DI::l10n()->t('Parent Password:'), '', DI::l10n()->t('Please enter the password of the parent account to legitimize your request.')]
 173
 174                 ]);
 175
 176                 return $o;
 177         }
 178
 179         /**
 180          * Module POST method to process submitted data
 181          *
 182          * Extend this method if the module is supposed to process POST requests.
 183          * Doesn't display any content
 184          */
 185         public static function post(array $parameters = [])
 186         {
 187                 BaseModule::checkFormSecurityTokenRedirectOnError('/register', 'register');
 188
 189                 $arr = ['post' => $_POST];
 190                 Hook::callAll('register_post', $arr);
 191
 192                 $additional_account = false;
 193
 194                 if (!local_user() && !empty($arr['post']['parent_password'])) {
 195                         notice(DI::l10n()->t('Permission denied.'));
 196                         return;
 197                 } elseif (local_user() && !empty($arr['post']['parent_password'])) {
 198                         try {
 199                                 Model\User::getIdFromPasswordAuthentication(local_user(), $arr['post']['parent_password']);
 200                         } catch (\Exception $ex) {
 201                                 notice(DI::l10n()->t("Password doesn't match."));
 202                                 $regdata = ['nickname' => $arr['post']['nickname'], 'username' => $arr['post']['username']];
 203                                 DI::baseUrl()->redirect('register?' . http_build_query($regdata));
 204                         }
 205                         $additional_account = true;
 206                 } elseif (local_user()) {
 207                         notice(DI::l10n()->t('Please enter your password.'));
 208                         $regdata = ['nickname' => $arr['post']['nickname'], 'username' => $arr['post']['username']];
 209                         DI::baseUrl()->redirect('register?' . http_build_query($regdata));
 210                 }
 211
 212                 $max_dailies = intval(DI::config()->get('system', 'max_daily_registrations'));
 213                 if ($max_dailies) {
 214                         $count = DBA::count('user', ['`register_date` > UTC_TIMESTAMP - INTERVAL 1 day']);
 215                         if ($count >= $max_dailies) {
 216                                 return;
 217                         }
 218                 }
 219
 220                 switch (DI::config()->get('config', 'register_policy')) {
 221                         case self::OPEN:
 222                                 $blocked = 0;
 223                                 $verified = 1;
 224                                 break;
 225
 226                         case self::APPROVE:
 227                                 $blocked = 1;
 228                                 $verified = 0;
 229                                 break;
 230
 231                         case self::CLOSED:
 232                         default:
 233                                 if (empty($_SESSION['authenticated']) && empty($_SESSION['administrator'])) {
 234                                         notice(DI::l10n()->t('Permission denied.'));
 235                                         return;
 236                                 }
 237                                 $blocked = 1;
 238                                 $verified = 0;
 239                                 break;
 240                 }
 241
 242                 $netpublish = !empty($_POST['profile_publish_reg']);
 243
 244                 $arr = $_POST;
 245
 246                 // Is there text in the tar pit?
 247                 if (!empty($arr['email'])) {
 248                         Logger::info('Tar pit', $arr);
 249                         notice(DI::l10n()->t('You have entered too much information.'));
 250                         DI::baseUrl()->redirect('register/');
 251                 }
 252
 253                 if ($additional_account) {
 254                         $user = DBA::selectFirst('user', ['email'], ['uid' => local_user()]);
 255                         if (!DBA::isResult($user)) {
 256                                 notice(DI::l10n()->t('User not found.'));
 257                                 DI::baseUrl()->redirect('register');
 258                         }
 259
 260                         $blocked = 0;
 261                         $verified = 1;
 262
 263                         $arr['password1'] = $arr['confirm'] = $arr['parent_password'];
 264                         $arr['repeat'] = $arr['email'] = $user['email'];
 265                 } else {
 266                         // Overwriting the "tar pit" field with the real one
 267                         $arr['email'] = $arr['field1'];
 268                 }
 269
 270                 if ($arr['email'] != $arr['repeat']) {
 271                         Logger::info('Mail mismatch', $arr);
 272                         notice(DI::l10n()->t('Please enter the identical mail address in the second field.'));
 273                         $regdata = ['email' => $arr['email'], 'nickname' => $arr['nickname'], 'username' => $arr['username']];
 274                         DI::baseUrl()->redirect('register?' . http_build_query($regdata));
 275                 }
 276
 277                 $arr['blocked'] = $blocked;
 278                 $arr['verified'] = $verified;
 279                 $arr['language'] = L10n::detectLanguage($_SERVER, $_GET, DI::config()->get('system', 'language'));
 280
 281                 try {
 282                         $result = Model\User::create($arr);
 283                 } catch (\Exception $e) {
 284                         notice($e->getMessage());
 285                         return;
 286                 }
 287
 288                 $user = $result['user'];
 289
 290                 $base_url = DI::baseUrl()->get();
 291
 292                 if ($netpublish && intval(DI::config()->get('config', 'register_policy')) !== self::APPROVE) {
 293                         $url = $base_url . '/profile/' . $user['nickname'];
 294                         Worker::add(PRIORITY_LOW, 'Directory', $url);
 295                 }
 296
 297                 if ($additional_account) {
 298                         DBA::update('user', ['parent-uid' => local_user()], ['uid' => $user['uid']]);
 299                         info(DI::l10n()->t('The additional account was created.'));
 300                         DI::baseUrl()->redirect('delegation');
 301                 }
 302
 303                 $using_invites = DI::config()->get('system', 'invitation_only');
 304                 $num_invites   = DI::config()->get('system', 'number_invites');
 305                 $invite_id = (!empty($_POST['invite_id']) ? trim($_POST['invite_id']) : '');
 306
 307                 if (intval(DI::config()->get('config', 'register_policy')) === self::OPEN) {
 308                         if ($using_invites && $invite_id) {
 309                                 Model\Register::deleteByHash($invite_id);
 310                                 DI::pConfig()->set($user['uid'], 'system', 'invites_remaining', $num_invites);
 311                         }
 312
 313                         // Only send a password mail when the password wasn't manually provided
 314                         if (empty($_POST['password1']) || empty($_POST['confirm'])) {
 315                                 $res = Model\User::sendRegisterOpenEmail(
 316                                         DI::l10n()->withLang($arr['language']),
 317                                         $user,
 318                                         DI::config()->get('config', 'sitename'),
 319                                         $base_url,
 320                                         $result['password']
 321                                 );
 322
 323                                 if ($res) {
 324                                         info(DI::l10n()->t('Registration successful. Please check your email for further instructions.'));
 325                                         DI::baseUrl()->redirect();
 326                                 } else {
 327                                         notice(
 328                                                 DI::l10n()->t('Failed to send email message. Here your accout details:<br> login: %s<br> password: %s<br><br>You can change your password after login.',
 329                                                         $user['email'],
 330                                                         $result['password'])
 331                                         );
 332                                 }
 333                         } else {
 334                                 info(DI::l10n()->t('Registration successful.'));
 335                                 DI::baseUrl()->redirect();
 336                         }
 337                 } elseif (intval(DI::config()->get('config', 'register_policy')) === self::APPROVE) {
 338                         if (!strlen(DI::config()->get('config', 'admin_email'))) {
 339                                 notice(DI::l10n()->t('Your registration can not be processed.'));
 340                                 DI::baseUrl()->redirect();
 341                         }
 342
 343                         // Check if the note to the admin is actually filled out
 344                         if (empty($_POST['permonlybox'])) {
 345                                 notice(DI::l10n()->t('You have to leave a request note for the admin.')
 346                                         . DI::l10n()->t('Your registration can not be processed.'));
 347
 348                                 DI::baseUrl()->redirect('register/');
 349                         }
 350
 351                         Model\Register::createForApproval($user['uid'], DI::config()->get('system', 'language'), $_POST['permonlybox']);
 352
 353                         // invite system
 354                         if ($using_invites && $invite_id) {
 355                                 Model\Register::deleteByHash($invite_id);
 356                                 DI::pConfig()->set($user['uid'], 'system', 'invites_remaining', $num_invites);
 357                         }
 358
 359                         // send email to admins
 360                         $admins_stmt = DBA::select(
 361                                 'user',
 362                                 ['uid', 'language', 'email'],
 363                                 ['email' => explode(',', str_replace(' ', '', DI::config()->get('config', 'admin_email')))]
 364                         );
 365
 366                         // send notification to admins
 367                         while ($admin = DBA::fetch($admins_stmt)) {
 368                                 DI::notify()->createFromArray([
 369                                         'type'         => Model\Notification\Type::SYSTEM,
 370                                         'event'        => 'SYSTEM_REGISTER_REQUEST',
 371                                         'uid'          => $admin['uid'],
 372                                         'link'         => $base_url . '/admin/users/',
 373                                         'source_name'  => $user['username'],
 374                                         'source_mail'  => $user['email'],
 375                                         'source_nick'  => $user['nickname'],
 376                                         'source_link'  => $base_url . '/admin/users/',
 377                                         'source_photo' => User::getAvatarUrl($user, Proxy::SIZE_THUMB),
 378                                         'show_in_notification_page' => false
 379                                 ]);
 380                         }
 381                         DBA::close($admins_stmt);
 382
 383                         // send notification to the user, that the registration is pending
 384                         Model\User::sendRegisterPendingEmail(
 385                                 $user,
 386                                 DI::config()->get('config', 'sitename'),
 387                                 $base_url,
 388                                 $result['password']
 389                         );
 390
 391                         info(DI::l10n()->t('Your registration is pending approval by the site owner.'));
 392                         DI::baseUrl()->redirect();
 393                 }
 394
 395                 return;
 396         }
 397 }