plugins/EmailRegistration/emailregister.php

   1 <?php
   2 /**
   3  * StatusNet - the distributed open-source microblogging tool
   4  * Copyright (C) 2011, StatusNet, Inc.
   5  *
   6  * Register a user by their email address
   7  *
   8  * PHP version 5
   9  *
  10  * This program is free software: you can redistribute it and/or modify
  11  * it under the terms of the GNU Affero General Public License as published by
  12  * the Free Software Foundation, either version 3 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU Affero General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Affero General Public License
  21  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22  *
  23  * @category  Email registration
  24  * @package   StatusNet
  25  * @author    Evan Prodromou <evan@status.net>
  26  * @copyright 2011 StatusNet, Inc.
  27  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
  28  * @link      http://status.net/
  29  */
  30
  31 if (!defined('STATUSNET')) {
  32     // This check helps protect against security problems;
  33     // your code file can't be executed directly from the web.
  34     exit(1);
  35 }
  36
  37 /**
  38  * Email registration
  39  *
  40  * There are four cases where we're called:
  41  *
  42  * 1. GET, no arguments. Initial registration; ask for an email address.
  43  * 2. POST, email address argument. Initial registration; send an email to confirm.
  44  * 3. GET, code argument. Confirming an invitation or a registration; look them up,
  45  *    create the relevant user if possible, login as that user, and
  46  *    show a password-entry form.
  47  * 4. POST, password argument. After confirmation, set the password for the new
  48  *    user, and redirect to a registration complete action with some instructions.
  49  *
  50  * @category  Action
  51  * @package   StatusNet
  52  * @author    Evan Prodromou <evan@status.net>
  53  * @copyright 2011 StatusNet, Inc.
  54  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
  55  * @link      http://status.net/
  56  */
  57 class EmailregisterAction extends Action
  58 {
  59     const NEWEMAIL = 1;
  60     const SETPASSWORD = 2;
  61     const NEWREGISTER = 3;
  62     const CONFIRMINVITE = 4;
  63     const CONFIRMREGISTER = 5;
  64
  65     const CONFIRMTYPE = 'register';
  66
  67     protected $user;
  68     protected $email;
  69     protected $code;
  70     protected $invitation;
  71     protected $confirmation;
  72     protected $password1;
  73     protected $password2;
  74     protected $state;
  75     protected $error;
  76     protected $complete;
  77
  78     function prepare($argarray)
  79     {
  80         parent::prepare($argarray);
  81
  82         if (common_config('site', 'closed')) {
  83             // TRANS: Client exception trown when registration by e-mail is not allowed.
  84             throw new ClientException(_m('Registration not allowed.'), 403);
  85         }
  86
  87         if ($this->isPost()) {
  88
  89             $this->checkSessionToken();
  90
  91             $this->email = $this->trimmed('email');
  92
  93             if (!empty($this->email)) {
  94                 if (common_config('site', 'inviteonly')) {
  95                     // TRANS: Client exception trown when trying to register without an invitation.
  96                     throw new ClientException(_m('Sorry, only invited people can register.'), 403);
  97                 }
  98                 $this->email = common_canonical_email($this->email);
  99                 $this->state = self::NEWEMAIL;
 100             } else {
 101                 $this->state = self::SETPASSWORD;
 102
 103                 $this->code = $this->trimmed('code');
 104
 105                 if (empty($this->code)) {
 106                     // TRANS: Client exception thrown when no confirmation code was provided.
 107                     throw new ClientException(_m('No confirmation code.'));
 108                 }
 109
 110                 $this->invitation = Invitation::getKV('code', $this->code);
 111
 112                 if (!empty($this->invitation)) {
 113                     if (!empty($this->invitation->registered_user_id)) {
 114                         // TRANS: Client exception trown when using an invitation multiple times.
 115                         throw new ClientException(_m('Invitation already used.'), 403);
 116                     }
 117                 } else {
 118
 119                     $this->confirmation = Confirm_address::getKV('code', $this->code);
 120
 121                     if (empty($this->confirmation)) {
 122                         // TRANS: Client exception thrown when given confirmation code was not issued.
 123                         throw new ClientException(_m('No such confirmation code.'), 403);
 124                     }
 125                 }
 126
 127                 $this->password1 = $this->trimmed('password1');
 128                 $this->password2 = $this->trimmed('password2');
 129
 130                 $this->tos = $this->boolean('tos');
 131             }
 132         } else { // GET
 133             $this->code = $this->trimmed('code');
 134
 135             if (empty($this->code)) {
 136                 if (common_config('site', 'inviteonly')) {
 137                     // TRANS: Client exception trown when trying to register without an invitation.
 138                     throw new ClientException(_m('Sorry, only invited people can register.'), 403);
 139                 }
 140                 $this->state = self::NEWREGISTER;
 141             } else {
 142                 $this->invitation = Invitation::getKV('code', $this->code);
 143                 if (!empty($this->invitation)) {
 144                     if (!empty($this->invitation->registered_user_id)) {
 145                         // TRANS: Client exception trown when using an invitation multiple times.
 146                         throw new ClientException(_m('Invitation already used.'), 403);
 147                     }
 148                     $this->state = self::CONFIRMINVITE;
 149                 } else {
 150                     $this->state = self::CONFIRMREGISTER;
 151                     $this->confirmation = Confirm_address::getKV('code', $this->code);
 152
 153                     if (empty($this->confirmation)) {
 154                         // TRANS: Client exception thrown when given confirmation code was not issued.
 155                         throw new ClientException(_m('No such confirmation code.'), 405);
 156                     }
 157                 }
 158             }
 159         }
 160
 161         return true;
 162     }
 163
 164     function title()
 165     {
 166         switch ($this->state) {
 167         case self::NEWREGISTER:
 168         case self::NEWEMAIL:
 169             // TRANS: Title for registration page.
 170             return _m('TITLE','Register');
 171             break;
 172         case self::SETPASSWORD:
 173         case self::CONFIRMINVITE:
 174         case self::CONFIRMREGISTER:
 175             // TRANS: Title for page where to register with a confirmation code.
 176             return _m('TITLE','Complete registration');
 177             break;
 178         }
 179     }
 180
 181     /**
 182      * Handler method
 183      *
 184      * @param array $argarray is ignored since it's now passed in in prepare()
 185      *
 186      * @return void
 187      */
 188     function handle($argarray=null)
 189     {
 190         $cur = common_current_user();
 191
 192         if (!empty($cur)) {
 193             common_redirect(common_local_url('all', array('nickname' => $cur->nickname)));
 194             return;
 195         }
 196
 197         switch ($this->state) {
 198         case self::NEWREGISTER:
 199             $this->showRegistrationForm();
 200             break;
 201         case self::NEWEMAIL:
 202             $this->registerUser();
 203             break;
 204         case self::CONFIRMINVITE:
 205             $this->confirmRegistration();
 206             break;
 207         case self::CONFIRMREGISTER:
 208             $this->confirmRegistration();
 209             break;
 210         case self::SETPASSWORD:
 211             $this->setPassword();
 212             break;
 213         }
 214         return;
 215     }
 216
 217     function showRegistrationForm()
 218     {
 219         $this->form = new EmailRegistrationForm($this, $this->email);
 220         $this->showPage();
 221     }
 222
 223     function registerUser()
 224     {
 225         try {
 226             $confirm = EmailRegistrationPlugin::registerEmail($this->email);
 227         } catch (ClientException $ce) {
 228             $this->error = $ce->getMessage();
 229             $this->showRegistrationForm();
 230             return;
 231         }
 232
 233         EmailRegistrationPlugin::sendConfirmEmail($confirm);
 234
 235         // TRANS: Confirmation text after initial registration.
 236         // TRANS: %s an e-mail address.
 237         $prompt = sprintf(_m('An email was sent to %s to confirm that address. Check your email inbox for instructions.'),
 238                           $this->email);
 239
 240         $this->complete = $prompt;
 241
 242         $this->showPage();
 243     }
 244
 245     function confirmRegistration()
 246     {
 247         if (!empty($this->invitation)) {
 248             $email = $this->invitation->address;
 249         } else if (!empty($this->confirmation)) {
 250             $email = $this->confirmation->address;
 251         }
 252
 253         $nickname = $this->nicknameFromEmail($email);
 254
 255         $this->form = new ConfirmRegistrationForm($this,
 256                                                   $nickname,
 257                                                   $email,
 258                                                   $this->code);
 259         $this->showPage();
 260     }
 261
 262     function setPassword()
 263     {
 264         if (Event::handle('StartRegistrationTry', array($this))) {
 265             if (!empty($this->invitation)) {
 266                 $email = trim($this->invitation->address);
 267             } else if (!empty($this->confirmation)) {
 268                 $email = trim($this->confirmation->address);
 269             } else {
 270                 // TRANS: Client exception trown when trying to set password with an invalid confirmation code.
 271                 throw new Exception(_m('No confirmation thing.'));
 272             }
 273
 274             if (!$this->tos) {
 275                 // TRANS: Error text when trying to register without agreeing to the terms.
 276                 $this->error = _m('You must accept the terms of service and privacy policy to register.');
 277             } else if (empty($this->password1)) {
 278                 // TRANS: Error text when trying to register without a password.
 279                 $this->error = _m('You must set a password');
 280             } else if (strlen($this->password1) < 6) {
 281                 // TRANS: Error text when trying to register with too short a password.
 282                 $this->error = _m('Password must be 6 or more characters.');
 283             } else if ($this->password1 != $this->password2) {
 284                 // TRANS: Error text when trying to register without providing the same password twice.
 285                 $this->error = _m('Passwords do not match.');
 286             }
 287
 288             if (!empty($this->error)) {
 289                 $nickname = $this->nicknameFromEmail($email);
 290                 $this->form = new ConfirmRegistrationForm($this, $nickname, $email, $this->code);
 291                 $this->showPage();
 292                 return;
 293             }
 294
 295             $nickname = $this->nicknameFromEmail($email);
 296
 297             try {
 298                 $fields = array('nickname' => $nickname,
 299                                 'email' => $email,
 300                                 'password' => $this->password1,
 301                                 'email_confirmed' => true);
 302
 303                 if (!empty($this->invitation)) {
 304                     $fields['code'] = $this->invitation->code;
 305                 }
 306                 $this->user = User::register($fields);
 307             } catch (ClientException $e) {
 308                 $this->error = $e->getMessage();
 309                 $nickname = $this->nicknameFromEmail($email);
 310                 $this->form = new ConfirmRegistrationForm($this, $nickname, $email, $this->code);
 311                 $this->showPage();
 312                 return;
 313             }
 314
 315             if (empty($this->user)) {
 316                 // TRANS: Exception trown when using an invitation multiple times.
 317                 throw new Exception(_m('Failed to register user.'));
 318             }
 319
 320             common_set_user($this->user);
 321             // this is a real login
 322             common_real_login(true);
 323
 324             // Re-init language env in case it changed (not yet, but soon)
 325             common_init_language();
 326
 327             if (!empty($this->confirmation)) {
 328                 $this->confirmation->delete();
 329             }
 330
 331             Event::handle('EndRegistrationTry', array($this));
 332         }
 333
 334         if (Event::handle('StartRegisterSuccess', array($this))) {
 335             common_redirect(common_local_url('doc', array('title' => 'welcome')),
 336                             303);
 337             Event::handle('EndRegisterSuccess', array($this));
 338         }
 339     }
 340
 341     function sendConfirmEmail($confirm)
 342     {
 343         $sitename = common_config('site', 'name');
 344
 345         $recipients = array($confirm->address);
 346
 347         $headers['From'] = mail_notify_from();
 348         $headers['To'] = trim($confirm->address);
 349          // TRANS: Subject for confirmation e-mail.
 350          // TRANS: %s is the StatusNet sitename.
 351         $headers['Subject'] = sprintf(_m('Confirm your registration on %s'), $sitename);
 352
 353         $confirmUrl = common_local_url('register', array('code' => $confirm->code));
 354
 355         // TRANS: Body for confirmation e-mail.
 356         // TRANS: %1$s is the StatusNet sitename, %2$s is the confirmation URL.
 357         $body = sprintf(_m('Someone (probably you) has requested an account on %1$s using this email address.'.
 358                           "\n".
 359                           'To confirm the address, click the following URL or copy it into the address bar of your browser.'.
 360                           "\n".
 361                           '%2$s'.
 362                           "\n".
 363                           'If it was not you, you can safely ignore this message.'),
 364                         $sitename,
 365                         $confirmUrl);
 366
 367         mail_send($recipients, $headers, $body);
 368     }
 369
 370     function showContent()
 371     {
 372         if ($this->complete) {
 373             $this->elementStart('p', 'success');
 374             $this->raw($this->complete);
 375             $this->elementEnd('p');
 376         } else {
 377             if ($this->error) {
 378                 $this->elementStart('p', 'error');
 379                 $this->raw($this->error);
 380                 $this->elementEnd('p');
 381             }
 382
 383             if (!empty($this->form)) {
 384                 $this->form->show();
 385             }
 386         }
 387     }
 388
 389     /**
 390      * Return true if read only.
 391      *
 392      * MAY override
 393      *
 394      * @param array $args other arguments
 395      *
 396      * @return boolean is read only action?
 397      */
 398     function isReadOnly($args)
 399     {
 400         return false;
 401     }
 402
 403     function nicknameFromEmail($email)
 404     {
 405         return EmailRegistrationPlugin::nicknameFromEmail($email);
 406     }
 407
 408     /**
 409      * A local menu
 410      *
 411      * Shows different login/register actions.
 412      *
 413      * @return void
 414      */
 415     function showLocalNav()
 416     {
 417         $nav = new LoginGroupNav($this);
 418         $nav->show();
 419     }
 420 }