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286 lines
7.2 KiB
PHP
286 lines
7.2 KiB
PHP
<?php
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/**
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*
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* This file is part of the phpBB Forum Software package.
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*
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* @copyright (c) phpBB Limited <https://www.phpbb.com>
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* @license GNU General Public License, version 2 (GPL-2.0)
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*
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* For full copyright and license information, please see
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* the docs/CREDITS.txt file.
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*
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*/
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namespace phpbb\auth\provider;
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use phpbb\config\config;
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use phpbb\db\driver\driver_interface;
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use phpbb\language\language;
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use phpbb\request\request_interface;
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use phpbb\request\type_cast_helper;
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use phpbb\user;
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/**
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* Apache authentication provider for phpBB3
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*/
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class apache extends base
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{
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/** @var config phpBB config */
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protected $config;
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/** @var driver_interface Database object */
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protected $db;
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/** @var language Language object */
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protected $language;
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/** @var request_interface Request object */
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protected $request;
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/** @var user User object */
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protected $user;
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/** @var string Relative path to phpBB root */
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protected $phpbb_root_path;
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/** @var string PHP file extension */
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protected $php_ext;
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/**
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* Apache Authentication Constructor
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*
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* @param config $config Config object
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* @param driver_interface $db Database object
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* @param language $language Language object
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* @param request_interface $request Request object
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* @param user $user User object
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* @param string $phpbb_root_path Relative path to phpBB root
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* @param string $php_ext PHP file extension
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*/
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public function __construct(config $config, driver_interface $db, language $language, request_interface $request, user $user, $phpbb_root_path, $php_ext)
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{
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$this->config = $config;
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$this->db = $db;
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$this->language = $language;
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$this->request = $request;
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$this->user = $user;
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$this->phpbb_root_path = $phpbb_root_path;
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$this->php_ext = $php_ext;
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}
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/**
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* {@inheritdoc}
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*/
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public function init()
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{
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if (!$this->request->is_set('PHP_AUTH_USER', request_interface::SERVER) || $this->user->data['username'] !== htmlspecialchars_decode($this->request->server('PHP_AUTH_USER')))
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{
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return $this->language->lang('APACHE_SETUP_BEFORE_USE');
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}
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return false;
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}
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/**
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* {@inheritdoc}
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*/
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public function login($username, $password)
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{
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// do not allow empty password
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if (!$password)
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{
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return array(
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'status' => LOGIN_ERROR_PASSWORD,
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'error_msg' => 'NO_PASSWORD_SUPPLIED',
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'user_row' => array('user_id' => ANONYMOUS),
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);
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}
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if (!$username)
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{
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return array(
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'status' => LOGIN_ERROR_USERNAME,
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'error_msg' => 'LOGIN_ERROR_USERNAME',
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'user_row' => array('user_id' => ANONYMOUS),
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);
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}
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if (!$this->request->is_set('PHP_AUTH_USER', request_interface::SERVER))
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{
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return array(
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'status' => LOGIN_ERROR_EXTERNAL_AUTH,
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'error_msg' => 'LOGIN_ERROR_EXTERNAL_AUTH_APACHE',
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'user_row' => array('user_id' => ANONYMOUS),
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);
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}
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$php_auth_user = htmlspecialchars_decode($this->request->server('PHP_AUTH_USER'));
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$php_auth_pw = htmlspecialchars_decode($this->request->server('PHP_AUTH_PW'));
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if (!empty($php_auth_user) && !empty($php_auth_pw))
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{
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if ($php_auth_user !== $username)
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{
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return array(
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'status' => LOGIN_ERROR_USERNAME,
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'error_msg' => 'LOGIN_ERROR_USERNAME',
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'user_row' => array('user_id' => ANONYMOUS),
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);
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}
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$sql = 'SELECT user_id, username, user_password, user_passchg, user_email, user_type
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FROM ' . USERS_TABLE . "
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WHERE username = '" . $this->db->sql_escape($php_auth_user) . "'";
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$result = $this->db->sql_query($sql);
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$row = $this->db->sql_fetchrow($result);
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$this->db->sql_freeresult($result);
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if ($row)
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{
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// User inactive...
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if ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE)
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{
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return array(
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'status' => LOGIN_ERROR_ACTIVE,
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'error_msg' => 'ACTIVE_ERROR',
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'user_row' => $row,
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);
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}
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// Successful login...
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return array(
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'status' => LOGIN_SUCCESS,
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'error_msg' => false,
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'user_row' => $row,
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);
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}
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// this is the user's first login so create an empty profile
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return array(
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'status' => LOGIN_SUCCESS_CREATE_PROFILE,
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'error_msg' => false,
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'user_row' => $this->user_row($php_auth_user),
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);
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}
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// Not logged into apache
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return array(
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'status' => LOGIN_ERROR_EXTERNAL_AUTH,
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'error_msg' => 'LOGIN_ERROR_EXTERNAL_AUTH_APACHE',
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'user_row' => array('user_id' => ANONYMOUS),
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function autologin()
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{
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if (!$this->request->is_set('PHP_AUTH_USER', request_interface::SERVER))
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{
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return array();
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}
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$php_auth_user = htmlspecialchars_decode($this->request->server('PHP_AUTH_USER'));
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$php_auth_pw = htmlspecialchars_decode($this->request->server('PHP_AUTH_PW'));
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if (!empty($php_auth_user) && !empty($php_auth_pw))
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{
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$type_cast_helper = new type_cast_helper();
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$type_cast_helper->set_var($php_auth_user, $php_auth_user, 'string', true);
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$sql = 'SELECT *
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FROM ' . USERS_TABLE . "
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WHERE username = '" . $this->db->sql_escape($php_auth_user) . "'";
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$result = $this->db->sql_query($sql);
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$row = $this->db->sql_fetchrow($result);
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$this->db->sql_freeresult($result);
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if ($row)
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{
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return ($row['user_type'] == USER_INACTIVE || $row['user_type'] == USER_IGNORE) ? array() : $row;
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}
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if (!function_exists('user_add'))
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{
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include($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);
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}
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// create the user if he does not exist yet
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user_add($this->user_row($php_auth_user));
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$sql = 'SELECT *
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FROM ' . USERS_TABLE . "
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WHERE username_clean = '" . $this->db->sql_escape(utf8_clean_string($php_auth_user)) . "'";
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$result = $this->db->sql_query($sql);
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$row = $this->db->sql_fetchrow($result);
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$this->db->sql_freeresult($result);
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if ($row)
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{
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return $row;
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}
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}
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return array();
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}
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/**
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* This function generates an array which can be passed to the user_add
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* function in order to create a user
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*
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* @param string $username The username of the new user.
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*
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* @return array Contains data that can be passed directly to
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* the user_add function.
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*/
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private function user_row($username)
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{
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// first retrieve default group id
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$sql = 'SELECT group_id
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FROM ' . GROUPS_TABLE . "
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WHERE group_name = '" . $this->db->sql_escape('REGISTERED') . "'
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AND group_type = " . GROUP_SPECIAL;
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$result = $this->db->sql_query($sql);
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$row = $this->db->sql_fetchrow($result);
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$this->db->sql_freeresult($result);
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if (!$row)
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{
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trigger_error('NO_GROUP');
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}
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// generate user account data
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return array(
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'username' => $username,
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'user_password' => '',
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'user_email' => '',
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'group_id' => (int) $row['group_id'],
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'user_type' => USER_NORMAL,
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'user_ip' => $this->user->ip,
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'user_new' => ($this->config['new_member_post_limit']) ? 1 : 0,
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function validate_session($user)
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{
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// Check if PHP_AUTH_USER is set and handle this case
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if ($this->request->is_set('PHP_AUTH_USER', request_interface::SERVER))
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{
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$php_auth_user = $this->request->server('PHP_AUTH_USER');
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return ($php_auth_user === $user['username']) ? true : false;
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}
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// PHP_AUTH_USER is not set. A valid session is now determined by the user type (anonymous/bot or not)
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if ($user['user_type'] == USER_IGNORE)
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{
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return true;
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}
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return false;
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}
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}
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