forked from GNUsocial/gnu-social
330 lines
9.2 KiB
PHP
330 lines
9.2 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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function handle($args) {
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parent::handle($args);
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if (common_logged_in()) {
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$this->client_error(_('You are already logged in!'));
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return;
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} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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if ($this->arg('recover')) {
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$this->recover_password();
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} else if ($this->arg('reset')) {
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$this->reset_password();
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} else {
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$this->client_error(_('Unexpected form submission.'));
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}
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} else {
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if ($this->trimmed('code')) {
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$this->check_code();
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} else {
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$this->show_form();
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}
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}
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}
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function check_code() {
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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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$this->client_error(_('No such recovery code.'));
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return;
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}
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if ($confirm->address_type != 'recover') {
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$this->client_error(_('Not a recovery code.'));
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return;
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}
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$user = User::staticGet($confirm->user_id);
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if (!$user) {
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$this->server_error(_('Recovery code for unknown user.'));
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return;
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}
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$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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common_server_error(_('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->client_error(_('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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$this->server_error(_('Could not update user with confirmed email address.'));
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return;
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}
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}
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# Success!
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$this->set_temp_user($user);
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$this->show_password_form();
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}
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function set_temp_user(&$user) {
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common_ensure_session();
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$_SESSION['tempuser'] = $user->id;
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}
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function get_temp_user() {
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common_ensure_session();
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$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 $user;
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}
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function clear_temp_user() {
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common_ensure_session();
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unset($_SESSION['tempuser']);
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}
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function show_top($msg=NULL) {
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if ($msg) {
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common_element('div', 'error', $msg);
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} else {
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common_element('div', 'instructions',
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_('If you\'ve forgotten or lost your' .
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' password, you can get a new one sent to' .
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' the email address you have stored ' .
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' in your account.'));
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}
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}
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function show_password_top($msg=NULL) {
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if ($msg) {
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common_element('div', 'error', $msg);
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} else {
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common_element('div', 'instructions',
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_('You\'ve been identified. Enter a ' .
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' new password below. '));
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}
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}
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function show_form($msg=NULL) {
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common_show_header(_('Recover password'), NULL,
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$msg, array($this, 'show_top'));
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common_element_start('form', array('method' => 'post',
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'id' => 'recoverpassword',
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'action' => common_local_url('recoverpassword')));
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common_input('nicknameoremail', _('Nickname or email'),
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$this->trimmed('nicknameoremail'),
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_('Your nickname on this server, ' .
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'or your registered email address.'));
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common_submit('recover', _('Recover'));
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common_element_end('form');
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common_show_footer();
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}
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function show_password_form($msg=NULL) {
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common_show_header(_('Reset password'), NULL,
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$msg, array($this, 'show_password_top'));
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common_element_start('form', array('method' => 'post',
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'id' => 'recoverpassword',
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'action' => common_local_url('recoverpassword')));
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common_hidden('token', common_session_token());
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common_password('newpassword', _('New password'),
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_('6 or more characters, and don\'t forget it!'));
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common_password('confirm', _('Confirm'),
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_('Same as password above'));
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common_submit('reset', _('Reset'));
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common_element_end('form');
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common_show_footer();
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}
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function recover_password() {
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$nore = $this->trimmed('nicknameoremail');
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if (!$nore) {
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$this->show_form(_('Enter a nickname or email address.'));
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return;
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}
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$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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$this->show_form(_('No user with that email address or username.'));
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return;
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}
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# Try to get an unconfirmed email address if they used a user name
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if (!$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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$this->client_error(_('No registered email address for that user.'));
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return;
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}
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# Success! We have a valid user and a confirmed or unconfirmed email address
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$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->server_error(_('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, $confirm->address);
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common_show_header(_('Password recovery requested'));
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common_element('p', NULL,
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_('Instructions for recovering your password ' .
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'have been sent to the email address registered to your ' .
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'account.'));
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common_show_footer();
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}
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function reset_password() {
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# CSRF protection
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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$this->show_form(_('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 = $this->get_temp_user();
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if (!$user) {
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$this->client_error(_('Unexpected password reset.'));
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return;
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}
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$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->show_password_form(_('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->show_password_form(_('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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common_server_error(_('Can\'t save new password.'));
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return;
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}
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$this->clear_temp_user();
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if (!common_set_user($user->nickname)) {
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common_server_error(_('Error setting user.'));
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return;
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}
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common_real_login(true);
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common_show_header(_('Password saved.'));
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common_element('p', NULL, _('New password successfully saved. ' .
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'You are now logged in.'));
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common_show_footer();
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}
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}
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