mirror of
https://github.com/phpbb/phpbb.git
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126 lines
2.7 KiB
PHP
126 lines
2.7 KiB
PHP
<?php
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/**
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*
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* @package phpBB3
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* @copyright (c) 2012 phpBB Group
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* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
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*
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*/
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/**
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*/
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if (!defined('IN_PHPBB'))
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{
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exit;
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}
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/**
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* User loader class
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*
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* This handles loading users from the database and
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* storing in them in a temporary cache so we do not
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* have to query the same user multiple times in
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* different services.
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*/
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class phpbb_user_loader
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{
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/** @var dbal */
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protected $db = null;
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/** @var string */
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protected $phpbb_root_path = null;
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/** @var string */
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protected $php_ext = null;
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/** @var string */
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protected $users_table = null;
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/**
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* Users loaded from the DB
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*
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* @var array Array of user data that we've loaded from the DB
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*/
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protected $users = array();
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/**
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* User loader constructor
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*
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* @param dbal $db A database connection
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* @param string $phpbb_root_path Path to the phpbb includes directory.
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* @param string $php_ext php file extension
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* @param string $users_table The name of the database table (phpbb_users)
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*/
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public function __construct(dbal $db, $phpbb_root_path, $php_ext, $users_table)
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{
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$this->db = $db;
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$this->phpbb_root_path = $phpbb_root_path;
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$this->php_ext = $php_ext;
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$this->users_table = $users_table;
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}
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/**
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* Load user helper
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*
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* @param array $user_ids
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*/
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public function load_users(array $user_ids)
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{
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$user_ids[] = ANONYMOUS;
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// Load the users
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$user_ids = array_unique($user_ids);
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// Do not load users we already have in $this->users
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$user_ids = array_diff($user_ids, array_keys($this->users));
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if (sizeof($user_ids))
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{
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$sql = 'SELECT *
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FROM ' . $this->users_table . '
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WHERE ' . $this->db->sql_in_set('user_id', $user_ids);
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$result = $this->db->sql_query($sql);
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while ($row = $this->db->sql_fetchrow($result))
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{
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$this->users[$row['user_id']] = $row;
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}
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$this->db->sql_freeresult($result);
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}
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}
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/**
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* Get a user row from our users cache
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*
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* @param int $user_id
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* @return array|bool Row from the database of the user or Anonymous if the user wasn't loaded/does not exist
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* or bool False if the anonymous user was not loaded
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*/
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public function get_user($user_id)
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{
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return (isset($this->users[$user_id])) ? $this->users[$user_id] : (isset($this->users[ANONYMOUS]) ? $this->users[ANONYMOUS] : false);
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}
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/**
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* Get avatar
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*
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* @param int $user_id
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* @return string
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*/
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public function get_avatar($user_id)
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{
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if (!($user = $this->get_user($user_id)))
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{
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return '';
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}
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if (!function_exists('get_user_avatar'))
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{
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include($this->phpbb_root_path . 'includes/functions_display.' . $this->php_ext);
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}
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return get_user_avatar($user['user_avatar'], $user['user_avatar_type'], $user['user_avatar_width'], $user['user_avatar_height']);
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}
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}
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