mirror of
https://github.com/torrentpier/torrentpier-lts.git
synced 2025-02-28 15:10:54 +03:00
114 lines
2.8 KiB
PHP
114 lines
2.8 KiB
PHP
<?php
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if (!defined('BB_ROOT')) die(basename(__FILE__));
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// !!! $username должен быть предварительно обработан clean_username() !!!
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function validate_username ($username, $check_ban_and_taken = true)
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{
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global $user, $lang;
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static $name_chars = 'a-z0-9а-яё_@$%^&;(){}\#\-\'.:+ ';
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$username = str_compact($username);
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$username = clean_username($username);
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// Length
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if (mb_strlen($username, 'UTF-8') > USERNAME_MAX_LENGTH)
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{
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return $lang['USERNAME_TOO_LONG'];
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}
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else if (mb_strlen($username, 'UTF-8') < USERNAME_MIN_LENGTH)
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{
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return $lang['USERNAME_TOO_SMALL'];
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}
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// Allowed symbols
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if (!preg_match('#^['.$name_chars.']+$#iu', $username, $m))
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{
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$invalid_chars = preg_replace('#['.$name_chars.']#iu', '', $username);
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return "{$lang['USERNAME_INVALID']}: <b>". htmlCHR($invalid_chars) ."</b>";
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}
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// HTML Entities
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if (preg_match_all('/&(#[0-9]+|[a-z]+);/iu', $username, $m))
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{
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foreach ($m[0] as $ent)
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{
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if (!preg_match('/^(&|<|>)$/iu', $ent))
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{
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return $lang['USERNAME_INVALID'];
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}
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}
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}
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if ($check_ban_and_taken)
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{
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// Занято
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$username_sql = DB()->escape($username);
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if ($row = DB()->fetch_row("SELECT username FROM ". BB_USERS ." WHERE username = '$username_sql' LIMIT 1"))
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{
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if ((!IS_GUEST && $row['username'] != $user->name) || IS_GUEST)
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{
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return $lang['USERNAME_TAKEN'];
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}
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}
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// Запрещено
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$banned_names = array();
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foreach (DB()->fetch_rowset("SELECT disallow_username FROM ". BB_DISALLOW ." ORDER BY NULL") as $row)
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{
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$banned_names[] = str_replace('\*', '.*?', preg_quote($row['disallow_username'], '#u'));
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}
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if ($banned_names_exp = join('|', $banned_names))
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{
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if (preg_match("#^($banned_names_exp)$#iu", $username))
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{
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return $lang['USERNAME_DISALLOWED'];
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}
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}
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}
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return false;
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}
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// Check to see if email address is banned or already present in the DB
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function validate_email ($email, $check_ban_and_taken = true)
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{
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global $lang, $userdata;
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if (!$email || !filter_var($email, FILTER_VALIDATE_EMAIL))
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{
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return $lang['EMAIL_INVALID'];
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}
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if (strlen($email) > USEREMAIL_MAX_LENGTH)
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{
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return $lang['EMAIL_TOO_LONG'];
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}
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if ($check_ban_and_taken)
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{
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$banned_emails = array();
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foreach (DB()->fetch_rowset("SELECT ban_email FROM ". BB_BANLIST ." ORDER BY NULL") as $row)
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{
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$banned_emails[] = str_replace('\*', '.*?', preg_quote($row['ban_email'], '#'));
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}
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if ($banned_emails_exp = join('|', $banned_emails))
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{
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if (preg_match("#^($banned_emails_exp)$#i", $email))
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{
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return sprintf($lang['EMAIL_BANNED'], $email);
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}
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}
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$email_sql = DB()->escape($email);
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if ($row = DB()->fetch_row("SELECT `user_email` FROM ". BB_USERS ." WHERE user_email = '$email_sql' LIMIT 1"))
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{
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if($row['user_email'] == $userdata['user_email'])
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return false;
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else
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return $lang['EMAIL_TAKEN'];
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}
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}
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return false;
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} |