385 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			385 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/*
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 * Laconica - a distributed open-source microblogging tool
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 * Copyright (C) 2008, Controlez-Vous, Inc.
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU Affero General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU Affero General Public License for more details.
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 *
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 * You should have received a copy of the GNU Affero General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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if (!defined('LACONICA')) { exit(1); }
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# You have 24 hours to claim your password
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define(MAX_RECOVERY_TIME, 24 * 60 * 60);
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class RecoverpasswordAction extends Action
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{
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    var $mode = null;
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    var $msg = null;
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    var $success = null;
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    function handle($args)
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    {
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        parent::handle($args);
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        if (common_logged_in()) {
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            $this->clientError(_('You are already logged in!'));
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            return;
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        } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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            if ($this->arg('recover')) {
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                $this->recoverPassword();
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            } else if ($this->arg('reset')) {
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                $this->resetPassword();
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            } else {
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                $this->clientError(_('Unexpected form submission.'));
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            }
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        } else {
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            if ($this->trimmed('code')) {
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                $this->checkCode();
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            } else {
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                $this->showForm();
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            }
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        }
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    }
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    function checkCode()
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    {
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        $code = $this->trimmed('code');
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        $confirm = Confirm_address::staticGet('code', $code);
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        if (!$confirm) {
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            $this->clientError(_('No such recovery code.'));
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            return;
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        }
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        if ($confirm->address_type != 'recover') {
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            $this->clientError(_('Not a recovery code.'));
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            return;
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        }
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        $user = User::staticGet($confirm->user_id);
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        if (!$user) {
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            $this->serverError(_('Recovery code for unknown user.'));
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            return;
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        }
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        $touched = strtotime($confirm->modified);
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        $email = $confirm->address;
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        # Burn this code
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        $result = $confirm->delete();
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        if (!$result) {
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            common_log_db_error($confirm, 'DELETE', __FILE__);
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            $this->serverError(_('Error with confirmation code.'));
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            return;
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        }
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        # These should be reaped, but for now we just check mod time
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        # Note: it's still deleted; let's avoid a second attempt!
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        if ((time() - $touched) > MAX_RECOVERY_TIME) {
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            common_log(LOG_WARNING,
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                       'Attempted redemption on recovery code ' .
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                       'that is ' . $touched . ' seconds old. ');
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            $this->clientError(_('This confirmation code is too old. ' .
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                                   'Please start again.'));
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            return;
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        }
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        # If we used an outstanding confirmation to send the email,
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        # it's been confirmed at this point.
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        if (!$user->email) {
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            $orig = clone($user);
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            $user->email = $email;
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            $result = $user->updateKeys($orig);
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            if (!$result) {
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                common_log_db_error($user, 'UPDATE', __FILE__);
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                $this->serverError(_('Could not update user with confirmed email address.'));
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                return;
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            }
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        }
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        # Success!
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        $this->setTempUser($user);
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        $this->showPasswordForm();
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    }
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    function setTempUser(&$user)
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    {
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        common_ensure_session();
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        $_SESSION['tempuser'] = $user->id;
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    }
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    function getTempUser()
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    {
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        common_ensure_session();
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        $user_id = $_SESSION['tempuser'];
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        if ($user_id) {
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            $user = User::staticGet($user_id);
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        }
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        return $user;
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    }
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    function clearTempUser()
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    {
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        common_ensure_session();
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        unset($_SESSION['tempuser']);
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    }
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    function showPageNotice()
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    {
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        if ($this->msg) {
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            $this->element('div', ($this->success) ? 'success' : 'error', $this->msg);
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        } else {
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            $this->elementStart('div', 'instructions');
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            if ($this->mode == 'recover') {
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                $this->element('p', null,
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                               _('If you\'ve forgotten or lost your' .
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                                 ' password, you can get a new one sent to' .
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                                 ' the email address you have stored ' .
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                                 ' in your account.'));
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            } else if ($this->mode == 'reset') {
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                $this->element('p', null,
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                               _('You\'ve been identified. Enter a ' .
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                                 ' new password below. '));
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            }
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            $this->elementEnd('div');
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        }
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    }
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    function showForm($msg=null)
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    {
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        $this->msg = $msg;
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        $this->mode = 'recover';
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        $this->showPage();
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    }
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    function showContent()
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    {
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        if ($this->mode == 'recover') {
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            $this->showRecoverForm();
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        } else if ($this->mode == 'reset') {
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            $this->showResetForm();
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        }
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    }
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    function showRecoverForm()
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    {
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        $this->elementStart('form', array('method' => 'post',
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                                           'id' => 'form_password_recover',
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                                           'class' => 'form_settings',
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                                           'action' => common_local_url('recoverpassword')));
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        $this->elementStart('fieldset');
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        $this->element('legend', null, _('Password recover'));
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        $this->elementStart('ul', 'form_data');
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        $this->elementStart('li');
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        $this->input('nicknameoremail', _('Nickname or email'),
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                     $this->trimmed('nicknameoremail'),
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                     _('Your nickname on this server, ' .
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                        'or your registered email address.'));
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        $this->elementEnd('li');
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        $this->elementEnd('ul');
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        $this->submit('recover', _('Recover'));
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        $this->elementEnd('fieldset');
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        $this->elementEnd('form');
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    }
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    function title()
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    {
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        switch ($this->mode) {
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         case 'reset': return _('Reset password');
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         case 'recover': return _('Recover password');
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         case 'sent': return _('Password recovery requested');
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         case 'saved': return _('Password saved.');
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         default:
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            return _('Unknown action');
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        }
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    }
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    function showPasswordForm($msg=null)
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    {
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        $this->msg = $msg;
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        $this->mode = 'reset';
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        $this->showPage();
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    }
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    function showResetForm()
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    {
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        $this->elementStart('form', array('method' => 'post',
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                                           'id' => 'form_password_change',
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                                           'class' => 'form_settings',
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                                           'action' => common_local_url('recoverpassword')));
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        $this->elementStart('fieldset');
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        $this->element('legend', null, _('Password change'));
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        $this->hidden('token', common_session_token());
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        $this->elementStart('ul', 'form_data');
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        $this->elementStart('li');
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        $this->password('newpassword', _('New password'),
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                        _('6 or more characters, and don\'t forget it!'));
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        $this->elementEnd('li');
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        $this->elementStart('li');
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        $this->password('confirm', _('Confirm'),
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                        _('Same as password above'));
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        $this->elementEnd('li');
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        $this->elementEnd('ul');
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        $this->submit('reset', _('Reset'));
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        $this->elementEnd('fieldset');
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        $this->elementEnd('form');
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    }
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    function recoverPassword()
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    {
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        $nore = $this->trimmed('nicknameoremail');
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        if (!$nore) {
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            $this->showForm(_('Enter a nickname or email address.'));
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            return;
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        }
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        $user = User::staticGet('email', common_canonical_email($nore));
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        if (!$user) {
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            $user = User::staticGet('nickname', common_canonical_nickname($nore));
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        }
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        # See if it's an unconfirmed email address
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        if (!$user) {
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            $confirm_email = Confirm_address::staticGet('address', common_canonical_email($nore));
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            if ($confirm_email && $confirm_email->address_type == 'email') {
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                $user = User::staticGet($confirm_email->user_id);
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            }
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        }
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        if (!$user) {
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            $this->showForm(_('No user with that email address or username.'));
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            return;
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        }
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        # Try to get an unconfirmed email address if they used a user name
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        if (!$user->email && !$confirm_email) {
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            $confirm_email = Confirm_address::staticGet('user_id', $user->id);
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            if ($confirm_email && $confirm_email->address_type != 'email') {
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                # Skip non-email confirmations
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                $confirm_email = null;
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            }
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        }
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        if (!$user->email && !$confirm_email) {
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            $this->clientError(_('No registered email address for that user.'));
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            return;
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        }
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        # Success! We have a valid user and a confirmed or unconfirmed email address
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        $confirm = new Confirm_address();
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        $confirm->code = common_confirmation_code(128);
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        $confirm->address_type = 'recover';
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        $confirm->user_id = $user->id;
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        $confirm->address = (isset($user->email)) ? $user->email : $confirm_email->address;
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        if (!$confirm->insert()) {
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            common_log_db_error($confirm, 'INSERT', __FILE__);
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            $this->serverError(_('Error saving address confirmation.'));
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            return;
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        }
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        $body = "Hey, $user->nickname.";
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        $body .= "\n\n";
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        $body .= 'Someone just asked for a new password ' .
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                 'for this account on ' . common_config('site', 'name') . '.';
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        $body .= "\n\n";
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        $body .= 'If it was you, and you want to confirm, use the URL below:';
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        $body .= "\n\n";
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        $body .= "\t".common_local_url('recoverpassword',
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                                   array('code' => $confirm->code));
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        $body .= "\n\n";
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        $body .= 'If not, just ignore this message.';
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        $body .= "\n\n";
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        $body .= 'Thanks for your time, ';
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        $body .= "\n";
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        $body .= common_config('site', 'name');
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        $body .= "\n";
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        mail_to_user($user, _('Password recovery requested'), $body, $confirm->address);
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        $this->mode = 'sent';
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        $this->msg = _('Instructions for recovering your password ' .
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                          'have been sent to the email address registered to your ' .
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                          'account.');
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        $this->success = true;
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        $this->showPage();
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    }
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    function resetPassword()
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    {
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        # CSRF protection
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        $token = $this->trimmed('token');
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        if (!$token || $token != common_session_token()) {
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            $this->showForm(_('There was a problem with your session token. Try again, please.'));
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            return;
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        }
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        $user = $this->getTempUser();
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        if (!$user) {
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            $this->clientError(_('Unexpected password reset.'));
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            return;
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        }
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        $newpassword = $this->trimmed('newpassword');
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        $confirm = $this->trimmed('confirm');
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        if (!$newpassword || strlen($newpassword) < 6) {
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            $this->showPasswordForm(_('Password must be 6 chars or more.'));
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            return;
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        }
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        if ($newpassword != $confirm) {
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            $this->showPasswordForm(_('Password and confirmation do not match.'));
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            return;
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        }
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        # OK, we're ready to go
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        $original = clone($user);
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        $user->password = common_munge_password($newpassword, $user->id);
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        if (!$user->update($original)) {
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            common_log_db_error($user, 'UPDATE', __FILE__);
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            $this->serverError(_('Can\'t save new password.'));
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            return;
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        }
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        $this->clearTempUser();
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        if (!common_set_user($user->nickname)) {
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            $this->serverError(_('Error setting user.'));
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            return;
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        }
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        common_real_login(true);
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        $this->mode = 'saved';
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        $this->msg = _('New password successfully saved. ' .
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                       'You are now logged in.');
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        $this->success = true;
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        $this->showPage();
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    }
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}
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