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php-phpbb/phpBB/includes/functions_user.php
2003-05-19 15:23:59 +00:00

373 lines
9.3 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.
*
***************************************************************************/
// Handles manipulation of user data. Primary used in registration
// and user profile manipulation
class ucp extends user
{
var $modules = array();
var $error = array();
// Loads a given module (if it isn't already available), instantiates
// a new object, and where appropriate calls the modules init method
function load_module($module_name)
{
if (!class_exists('ucp_' . $module_name))
{
global $phpbb_root_path, $phpEx;
require_once($phpbb_root_path . 'includes/ucp/ucp_' . $module_name . '.'.$phpEx);
eval('$this->module[' . $module_name . '] = new ucp_' . $module_name . '();');
if (method_exists($this->module[$module_name], 'init'))
{
$this->module[$module_name]->init();
}
}
}
// This is replaced by the loaded module
function main($module_id = false)
{
return false;
}
// This generates the block template variable for outputting the list
// of submodules, should be called with an associative array of modules
// in the form 'LANG_STRING' => 'LINK'
function subsection(&$module_ary, &$selected_module)
{
global $template, $user, $phpEx, $SID;
foreach($module_ary as $section_title => $module_link)
{
$template->assign_block_vars('ucp_subsection', array(
'L_TITLE' => $user->lang['UCP_' . $section_title],
'S_SELECTED'=> ($section_title == strtoupper($selected_module)) ? true : false,
'U_TITLE' => "ucp.$phpEx$SID&amp;$module_link")
);
}
}
// Displays the appropriate template with the given title
function display(&$page_title, $tpl_name)
{
global $template, $phpEx;
page_header($page_title);
$template->set_filenames(array(
'body' => $tpl_name)
);
make_jumpbox('viewforum.'.$phpEx);
page_footer();
}
// Generates list of additional fields, their type, appropriate data
// etc. for admin defined fields
function extra_fields($page)
{
return false;
}
// Generates an alphanumeric random string of given length
function gen_rand_string($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 $rand_str;
}
// Normalises supplied data dependant on required type/length, errors
// on incorrect data
function normalise_data(&$data, &$normalise)
{
$valid_data = array();
foreach ($normalise as $var_type => $var_ary)
{
foreach ($var_ary as $var_name => $var_limits)
{
$var_name = (is_string($var_name)) ? $var_name : $var_limits;
if (isset($data[$var_name]))
{
switch ($var_type)
{
case 'int':
$valid_data[$var_name] = (int) $data[$var_name];
break;
case 'float':
$valid_data[$var_name] = (double) $data[$var_name];
break;
case 'bool':
$valid_data[$var_name] = ($data[$var_name] < 0) ? 0 : 1;
break;
case 'string':
// Cleanup data, remove excess spaces, run entites
$valid_data[$var_name] = htmlentities(strtr(trim(preg_replace('#\s{2,}#s', ' ', (string) $data[$var_name])), array_flip(get_html_translation_table(HTML_ENTITIES))));
// How should we check this data?
if (!is_array($var_limits))
{
// Is the match a string? If it is, process it further, else we'll
// assume it's a maximum length
if (is_string($var_limits))
{
if (strstr($var_limits, ','))
{
list($min_value, $max_value) = explode(',', $var_limits);
if (!empty($valid_data[$var_name]) && strlen($valid_data[$var_name]) < $min_value)
{
$this->error[] = strtoupper($var_name) . '_TOO_SHORT';
}
if (strlen($valid_data[$var_name]) > $max_value)
{
$this->error[] = strtoupper($var_name) . '_TOO_LONG';
}
}
}
else
{
if (strlen($valid_data[$var_name]) > $var_limits)
{
$this->error[] = strtoupper($var_name) . '_TOO_LONG';
}
}
}
break;
}
}
}
}
return $valid_data;
}
// Validates data subject to supplied requirements, errors appropriately
function validate_data(&$data, &$validate)
{
global $db, $user, $config;
foreach ($validate as $operation => $var_ary)
{
foreach ($var_ary as $var_name => $compare)
{
if (!empty($compare))
{
switch ($operation)
{
case 'match':
if (is_array($compare))
{
foreach ($compare as $match)
{
if (!preg_match($match, $data[$var_name]))
{
$this->error[] = strtoupper($var_name) . '_WRONG_DATA';
}
}
}
else if (!preg_match($compare, $data[$var_name]))
{
$this->error[] = strtoupper($var_name) . '_WRONG_DATA';
}
break;
case 'compare':
if (is_array($compare))
{
if (!in_array($data[$var_name], $compare))
{
$this->error[] = strtoupper($var_name) . '_MISMATCH';
}
}
else if ($data[$var_name] != $compare)
{
$this->error[] = strtoupper($var_name) . '_MISMATCH';
}
break;
case 'function':
if ($result = $this->$compare($data[$var_name]))
{
$this->error[] = $result;
}
break;
case 'reqd':
if (!isset($data[$compare]) || (is_string($data[$compare]) && $data[$compare] === ''))
{
$this->error[] = strtoupper($compare) . '_MISSING_DATA';
}
break;
}
}
}
}
}
// 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 $db, $user;
if ($email != '')
{
if (preg_match('#^[a-z0-9\.\-_\+]+@(.*?\.)*?[a-z0-9\-_]+\.[a-z]+$#is', $email))
{
$sql = "SELECT ban_email
FROM " . BANLIST_TABLE;
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
if (preg_match('#^' . str_replace('*', '.*?', $row['ban_email']) . '$#is', $email))
{
return 'EMAIL_BANNED';
}
}
$db->sql_freeresult($result);
$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_user($userdata)
{
}
function check_image_type(&$type)
{
global $user;
switch ($type)
{
case 'jpeg':
case 'pjpeg':
case 'jpg':
return '.jpg';
case 'gif':
return '.gif';
case 'png':
return '.png';
case 'bmp':
return '.bmp';
}
$this->error[] = $user->lang['INVALID_IMAGETYPE'];
return false;
}
}
?>