341 lines
7.0 KiB
PHP
341 lines
7.0 KiB
PHP
<?php
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/**
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* MyBB 1.8
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* Copyright 2014 MyBB Group, All Rights Reserved
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*
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* Website: http://www.mybb.com
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* License: http://www.mybb.com/about/license
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*
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*/
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// Disallow direct access to this file for security reasons
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if(!defined("IN_MYBB"))
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{
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die("Direct initialization of this file is not allowed.<br /><br />Please make sure IN_MYBB is defined.");
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}
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/**
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* Login handling class, provides common structure to handle login events.
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*
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*/
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class LoginDataHandler extends DataHandler
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{
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/**
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* The language file used in the data handler.
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*
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* @var string
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*/
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public $language_file = 'datahandler_login';
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/**
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* The prefix for the language variables used in the data handler.
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*
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* @var string
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*/
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public $language_prefix = 'logindata';
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/**
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* Array of data used via login events.
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*
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* @var array
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*/
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public $login_data = array();
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/**
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* @var bool
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*/
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public $captcha_verified = true;
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/**
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* @var bool|captcha
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*/
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private $captcha = false;
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/**
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* @var int
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*/
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public $username_method = null;
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/**
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* @param int $check_captcha
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*/
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function verify_attempts($check_captcha = 0)
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{
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global $db, $mybb;
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$user = &$this->data;
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if($check_captcha)
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{
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if(!isset($mybb->cookies['loginattempts']))
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{
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$mybb->cookies['loginattempts'] = 0;
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}
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if($mybb->settings['failedcaptchalogincount'] > 0 && ($user['loginattempts'] > $mybb->settings['failedcaptchalogincount'] || (int)$mybb->cookies['loginattempts'] > $mybb->settings['failedcaptchalogincount']))
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{
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$this->captcha_verified = false;
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$this->verify_captcha();
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}
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}
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}
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/**
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* @return bool
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*/
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function verify_captcha()
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{
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global $db, $mybb;
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$user = &$this->data;
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if($user['imagestring'] || $mybb->settings['captchaimage'] != 1)
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{
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// Check their current captcha input - if correct, hide the captcha input area
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require_once MYBB_ROOT.'inc/class_captcha.php';
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$this->captcha = new captcha;
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if($this->captcha->validate_captcha() == false)
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{
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// CAPTCHA validation failed
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foreach($this->captcha->get_errors() as $error)
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{
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$this->set_error($error);
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}
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return false;
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}
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else
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{
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$this->captcha_verified = true;
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return true;
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}
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}
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else if($mybb->input['quick_login'] == 1 && $mybb->input['quick_password'] && $mybb->input['quick_username'])
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{
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$this->set_error('regimagerequired');
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return false;
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}
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else
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{
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$this->set_error('regimageinvalid');
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return false;
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}
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}
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/**
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* @return bool
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*/
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function verify_username()
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{
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$this->get_login_data();
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if(!$this->login_data['uid'])
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{
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$this->invalid_combination();
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return false;
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}
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return true;
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}
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/**
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* @param bool $strict
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*
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* @return bool
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*/
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function verify_password($strict = true)
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{
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global $db, $mybb, $plugins;
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$this->get_login_data();
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if(empty($this->login_data['username']))
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{
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// Username must be validated to apply a password to
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$this->invalid_combination();
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return false;
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}
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$args = array(
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'this' => &$this,
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'strict' => &$strict,
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);
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$plugins->run_hooks('datahandler_login_verify_password_start', $args);
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$user = &$this->data;
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if(!$this->login_data['uid'] || $this->login_data['uid'] && !$this->login_data['salt'] && $strict == false)
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{
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$this->invalid_combination();
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}
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if($strict == true)
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{
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if(!$this->login_data['salt'])
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{
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// Generate a salt for this user and assume the password stored in db is a plain md5 password
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$password_fields = create_password($this->login_data['password']);
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$this->login_data = array_merge($this->login_data, $password_fields);
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$db->update_query("users", $password_fields, "uid = '{$this->login_data['uid']}'");
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}
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if(!$this->login_data['loginkey'])
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{
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$this->login_data['loginkey'] = generate_loginkey();
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$sql_array = array(
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"loginkey" => $this->login_data['loginkey']
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);
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$db->update_query("users", $sql_array, "uid = '{$this->login_data['uid']}'");
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}
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}
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$plugins->run_hooks('datahandler_login_verify_password_end', $args);
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if(!verify_user_password($this->login_data, $user['password']))
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{
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$this->invalid_combination(true);
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return false;
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}
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return true;
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}
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/**
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* @param bool $show_login_attempts
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*/
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function invalid_combination($show_login_attempts = false)
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{
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global $db, $lang, $mybb;
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// Don't show an error when the captcha was wrong!
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if(!$this->captcha_verified)
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{
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return;
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}
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$login_text = '';
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if($show_login_attempts)
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{
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if($mybb->settings['failedlogincount'] != 0 && $mybb->settings['failedlogintext'] == 1 && $this->login_data['uid'] != 0)
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{
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$logins = login_attempt_check($this->login_data['uid'], false) + 1;
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$login_text = $lang->sprintf($lang->failed_login_again, $mybb->settings['failedlogincount'] - $logins);
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}
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}
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switch($mybb->settings['username_method'])
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{
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case 1:
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$this->set_error('invalidpwordusernameemail', $login_text);
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break;
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case 2:
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$this->set_error('invalidpwordusernamecombo', $login_text);
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break;
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default:
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$this->set_error('invalidpwordusername', $login_text);
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break;
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}
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}
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function get_login_data()
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{
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global $db, $settings;
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$user = &$this->data;
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$options = array(
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'fields' => '*',
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'username_method' => (int)$settings['username_method']
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);
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if($this->username_method !== null)
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{
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$options['username_method'] = (int)$this->username_method;
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}
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$this->login_data = get_user_by_username($user['username'], $options);
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}
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/**
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* @return bool
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*/
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function validate_login()
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{
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global $plugins, $mybb;
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$user = &$this->data;
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$plugins->run_hooks('datahandler_login_validate_start', $this);
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if(!defined('IN_ADMINCP'))
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{
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$this->verify_attempts($mybb->settings['captchaimage']);
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}
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if(array_key_exists('username', $user))
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{
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$this->verify_username();
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}
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if(array_key_exists('password', $user))
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{
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$this->verify_password();
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}
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$plugins->run_hooks('datahandler_login_validate_end', $this);
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$this->set_validated(true);
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if(count($this->get_errors()) > 0)
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{
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return false;
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}
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return true;
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}
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/**
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* @return bool true
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*/
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function complete_login()
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{
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global $plugins, $db, $mybb, $session;
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$user = &$this->login_data;
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$plugins->run_hooks('datahandler_login_complete_start', $this);
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// Login to MyBB
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my_setcookie('loginattempts', 1);
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my_setcookie("sid", $session->sid, -1, true);
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$ip_address = $db->escape_binary($session->packedip);
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$db->delete_query("sessions", "ip = {$ip_address} AND sid != '{$session->sid}'");
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$newsession = array(
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"uid" => $user['uid'],
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);
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$db->update_query("sessions", $newsession, "sid = '{$session->sid}'");
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$db->update_query("users", array("loginattempts" => 1), "uid = '{$user['uid']}'");
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$remember = null;
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if(!isset($mybb->input['remember']) || $mybb->input['remember'] != "yes")
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{
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$remember = -1;
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}
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my_setcookie("mybbuser", $user['uid']."_".$user['loginkey'], $remember, true, "lax");
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if($this->captcha !== false)
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{
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$this->captcha->invalidate_captcha();
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}
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$plugins->run_hooks('datahandler_login_complete_end', $this);
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return true;
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}
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}
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