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php-phpbb/phpBB/includes/functions_user.php
Paul S. Owen a43f039742 $this->error removed
git-svn-id: file:///svn/phpbb/trunk@4215 89ea8834-ac86-4346-8a33-228a782c2dd0
2003-07-08 00:28:24 +00:00

337 lines
9.1 KiB
PHP

<?php
/***************************************************************************
* functions_ucp.php
* -------------------
* begin : Saturday, Feb 13, 2001
* copyright : (C) 2001 The phpBB Group
* email : support@phpbb.com
*
* $Id$
*
***************************************************************************/
/***************************************************************************
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
***************************************************************************/
// Generates an alphanumeric random string of given length
function gen_rand_string($num_chars)
{
$chars = array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '1', '2', '3', '4', '5', '6', '7', '8', '9');
list($usec, $sec) = explode(' ', microtime());
mt_srand($sec * $usec);
$max_chars = count($chars) - 1;
$rand_str = '';
for ($i = 0; $i < $num_chars; $i++)
{
$rand_str .= $chars[mt_rand(0, $max_chars)];
}
return $rand_str;
}
// Check to see if the username has been taken, or if it is disallowed.
// Also checks if it includes the " character, which we don't allow in usernames.
// Used for registering, changing names, and posting anonymously with a username
function validate_username($username)
{
global $db, $user;
$sql = 'SELECT username
FROM ' . USERS_TABLE . "
WHERE LOWER(username) = '" . strtolower($db->sql_escape($username)) . "'";
$result = $db->sql_query($sql);
if ($row = $db->sql_fetchrow($result))
{
return 'USERNAME_TAKEN';
}
$db->sql_freeresult($result);
$sql = 'SELECT group_name
FROM ' . GROUPS_TABLE . "
WHERE LOWER(group_name) = '" . strtolower($db->sql_escape($username)) . "'";
$result = $db->sql_query($sql);
if ($row = $db->sql_fetchrow($result))
{
return 'USERNAME_TAKEN';
}
$db->sql_freeresult($result);
$sql = 'SELECT disallow_username
FROM ' . DISALLOW_TABLE;
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
if (preg_match('#' . str_replace('*', '.*?', preg_quote($row['disallow_username'], '#')) . '#i', $username))
{
return 'USERNAME_DISALLOWED';
}
}
$db->sql_freeresult($result);
$sql = 'SELECT word
FROM ' . WORDS_TABLE;
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
if (preg_match('#(' . str_replace('\*', '.*?', preg_quote($row['word'], '#')) . ')#i', $username))
{
return 'USERNAME_DISALLOWED';
}
}
$db->sql_freeresult($result);
return false;
}
// Check to see if email address is banned or already present in the DB
function validate_email($email)
{
global $config, $db, $user;
if (preg_match('#^[a-z0-9\.\-_\+]+?@(.*?\.)*?[a-z0-9\-_]+?\.[a-z]{2,4}$#i', $email))
{
$sql = 'SELECT ban_email
FROM ' . BANLIST_TABLE;
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
if (preg_match('#^' . str_replace('*', '.*?', $row['ban_email']) . '$#i', $email))
{
return 'EMAIL_BANNED';
}
}
$db->sql_freeresult($result);
if (!$config['allow_emailreuse'])
{
$sql = 'SELECT user_email
FROM ' . USERS_TABLE . "
WHERE user_email = '" . $db->sql_escape($email) . "'";
$result = $db->sql_query($sql);
if ($row = $db->sql_fetchrow($result))
{
return 'EMAIL_TAKEN';
}
$db->sql_freeresult($result);
}
return false;
}
return 'EMAIL_INVALID';
}
function update_username($old_name, $new_name)
{
global $db;
$update_ary = array(
FORUMS_TABLE => array('forum_last_poster_name'),
MODERATOR_TABLE => array('username'),
POSTS_TABLE => array('poster_username'),
TOPICS_TABLE => array('topic_first_poster_name', 'topic_last_poster_name'),
);
foreach ($update_ary as $table => $field_ary)
{
foreach ($field_ary as $field)
{
$sql = "UPDATE $table
SET $field = '$new_name'
WHERE $field = '$old_name'";
$db->sql_query($sql);
}
}
$sql = 'UPDATE ' . CONFIG_TABLE . "
SET config_value = '" . $new_name . "'
WHERE config_name = 'newest_username'
AND config_value = '" . $old_name . "'";
$db->sql_query($sql);
}
function avatar_delete()
{
global $config, $db, $user;
if (file_exists('./' . $config['avatar_path'] . '/' . $user->data['user_avatar']))
{
@unlink('./' . $config['avatar_path'] . '/' . $user->data['user_avatar']);
}
return false;
}
function avatar_remote(&$data)
{
global $config, $db, $user, $phpbb_root_path;
if (!preg_match('#^(http[s]*?)|(ftp)://#i', $data['remotelink']))
{
$data['remotelink'] = 'http://' . $data['remotelink'];
}
if (!preg_match('#^(http[s]?)|(ftp)://(.*?\.)*?[a-z0-9\-]+?\.[a-z]{2,4}:?([0-9]*?).*?\.(gif|jpg|jpeg|png)$#i', $data['remotelink']))
{
return $user->lang['AVATAR_URL_INVALID'];
}
if ((!($data['width'] || $data['height']) || $data['remotelink'] != $user->data['user_avatar']) && ($config['avatar_max_width'] || $config['avatar_max_height']))
{
list($width, $height) = @getimagesize($data['remotelink']);
if (!$width || !$height)
{
return $user->lang['AVATAR_NO_SIZE'];
}
else if ($width > $config['avatar_max_width'] || $height > $config['avatar_max_height'])
{
return sprintf($user->lang['AVATAR_WRONG_SIZE'], $config['avatar_max_width'], $config['avatar_max_height']);
}
$data['width'] = &$width;
$data['height'] = &$height;
}
else if ($data['width'] > $config['avatar_max_width'] || $data['height'] > $config['avatar_max_height'])
{
return sprintf($user->lang['AVATAR_WRONG_SIZE'], $config['avatar_max_width'], $config['avatar_max_height']);
}
// Set type
$data['filename'] = &$data['remotelink'];
$data['type'] = AVATAR_REMOTE;
return false;
}
function avatar_upload(&$data)
{
global $config, $db, $user;
if (!empty($_FILES['uploadfile']['tmp_name']))
{
$filename = $_FILES['uploadfile']['tmp_name'];
$filesize = $_FILES['uploadfile']['size'];
$realname = $_FILES['uploadfile']['name'];
if (file_exists($filename) && preg_match('#^(.*?)\.(jpg|jpeg|gif|png)$#i', $realname, $match))
{
$realname = $match[1];
$filetype = $match[2];
$php_move = 'move_uploaded_file';
}
else
{
return $user->lang['AVATAR_NOT_UPLOADED'];
}
}
else if (preg_match('#^(http://).*?\.(jpg|jpeg|gif|png)$#i', $data['uploadurl'], $match))
{
if (empty($match[2]))
{
return $user->lang['AVATAR_URL_INVALID'];
}
$url = parse_url($data['uploadurl']);
$host = $url['host'];
$path = dirname($url['path']);
$port = (!empty($url['port'])) ? $url['port'] : 80;
$filetype = array_pop(explode('.', $url['path']));
$realname = basename($url['path'], '.' . $filetype);
$filename = $url['path'];
$filesize = 0;
if (!($fsock = @fsockopen($host, $port, $errno, $errstr)))
{
return $user->lang['AVATAR_NOT_UPLOADED'];
}
fputs($fsock, 'GET /' . $filename . " HTTP/1.1\r\n");
fputs($fsock, "HOST: " . $host . "\r\n");
fputs($fsock, "Connection: close\r\n\r\n");
$avatar_data = '';
while (!feof($fsock))
{
$avatar_data .= fread($fsock, $config['avatar_filesize']);
}
@fclose($fsock);
$avatar_data = array_pop(explode("\r\n\r\n", $avatar_data));
if (empty($avatar_data))
{
return $user->lang['AVATAR_NOT_UPLOADED'];
}
unset($url_ary);
$tmp_path = (!@ini_get('safe_mode')) ? false : $phpbb_root_path . 'cache/tmp';
$filename = tempnam($tmp_path, uniqid(rand()) . '-');
if (!($fp = @fopen($filename, 'wb')))
{
return $user->lang['AVATAR_NOT_UPLOADED'];;
}
$filesize = fwrite($fp, $avatar_data);
fclose($fp);
unset($avatar_data);
if (!$filesize)
{
unlink($filename);
return $user->lang['AVATAR_NOT_UPLOADED'];
}
$php_move = 'copy';
}
list($width, $height) = getimagesize($filename);
if ($width > $config['avatar_max_width'] || $height > $config['avatar_max_height'] || $width < $config['avatar_min_width'] || $height < $config['avatar_min_height'] || !$width || !$height)
{
return sprintf($user->lang['AVATAR_WRONG_SIZE'], $config['avatar_min_width'], $config['avatar_min_height'], $config['avatar_max_width'], $config['avatar_max_height']);
}
// Replace any chars which may cause us problems with _
$bad_chars = array(' ', '/', ':', '*', '?', '"', '<', '>', '|');
$data['filename'] = $user->data['user_id'] . '_' . str_replace($bad_chars, '_', $realname) . '.' . $filetype;
$data['width'] = &$width;
$data['height'] = &$height;
if(!$php_move($filename, $phpbb_root_path . $config['avatar_path'] . '/' . $data['filename']))
{
@unlink($filename);
return $user->lang['AVATAR_NOT_UPLOADED'];
}
@unlink($filename);
$filesize = @filesize($phpbb_root_path . $config['avatar_path'] . '/' . $data['filename']);
if (!$filesize || $filesize > $config['avatar_filesize'])
{
@unlink($phpbb_root_path . $config['avatar_path'] . '/' . $data['filename']);
return sprintf($user->lang['AVATAR_WRONG_FILESIZE'], $config['avatar_filesize']);
}
// Set type
$data['type'] = AVATAR_UPLOAD;
return false;
}
?>