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<?php
// +-----------------------------------------------------------------------+
// | PhpWebGallery - a PHP based picture gallery |
// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
// | Copyright (C) 2003-2004 PhpWebGallery Team - http://phpwebgallery.net |
// +-----------------------------------------------------------------------+
// | branch : BSF (Best So Far)
// | file : $RCSfile$
// | last update : $Date$
// | last modifier : $Author$
// | revision : $Revision$
// +-----------------------------------------------------------------------+
// | 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 |
// | |
// | This program is distributed in the hope that it will be useful, but |
// | WITHOUT ANY WARRANTY; without even the implied warranty of |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
// | General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
// validate_mail_address verifies whether the given mail address has the
// right format. ie someone@domain.com "someone" can contain ".", "-" or
// even "_". Exactly as "domain". The extension doesn't have to be
// "com". The mail address can also be empty.
// If the mail address doesn't correspond, an error message is returned.
function validate_mail_address( $mail_address )
{
global $lang;
if ( $mail_address == '' )
{
return '';
}
$regex = '/^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)*\.[a-z]+$/';
if ( !preg_match( $regex, $mail_address ) )
{
return $lang['reg_err_mail_address'];
}
}
function register_user( $login, $password, $password_conf,
$mail_address, $status = 'guest' )
{
global $lang;
$error = array();
$i = 0;
// login must not
// 1. be empty
// 2. start ou end with space character
// 3. include ' or " characters
// 4. be already used
if ( $login == '' ) $error[$i++] = $lang['reg_err_login1'];
if ( ereg( "^.* $", $login) ) $error[$i++] = $lang['reg_err_login2'];
if ( ereg( "^ .*$", $login ) ) $error[$i++] = $lang['reg_err_login3'];
if ( ereg( "'", $login ) or ereg( "\"", $login ) )
$error[$i++] = $lang['reg_err_login4'];
else
{
$query = 'SELECT id';
$query.= ' FROM '.USERS_TABLE;
$query.= " WHERE username = '".$login."'";
$query.= ';';
$result = pwg_query( $query );
if ( mysql_num_rows($result) > 0 ) $error[$i++] = $lang['reg_err_login5'];
}
// given password must be the same as the confirmation
if ( $password != $password_conf ) $error[$i++] = $lang['reg_err_pass'];
$error_mail_address = validate_mail_address( $mail_address );
if ( $error_mail_address != '' ) $error[$i++] = $error_mail_address;
// if no error until here, registration of the user
if ( sizeof( $error ) == 0 )
{
// 1. retrieving default values, the ones of the user "guest"
$infos = array( 'nb_image_line', 'nb_line_page', 'language',
'maxwidth', 'maxheight', 'expand', 'show_nb_comments',
'recent_period', 'template', 'forbidden_categories' );
$query = 'SELECT ';
for ( $i = 0; $i < sizeof( $infos ); $i++ )
{
if ( $i > 0 ) $query.= ',';
$query.= $infos[$i];
}
$query.= ' FROM '.USERS_TABLE;
$query.= " WHERE username = 'guest'";
$query.= ';';
$row = mysql_fetch_array( pwg_query( $query ) );
// 2. adding new user
$query = 'INSERT INTO '.USERS_TABLE;
$query.= ' (';
$query.= ' username,password,mail_address,status';
for ( $i = 0; $i < sizeof( $infos ); $i++ )
{
$query.= ','.$infos[$i];
}
$query.= ') values (';
$query.= " '".$login."'";
$query.= ",'".md5( $password )."'";
if ( $mail_address != '' ) $query.= ",'".$mail_address."'";
else $query.= ',NULL';
$query.= ",'".$status."'";
foreach ( $infos as $info ) {
$query.= ',';
if ( !isset( $row[$info] ) ) $query.= 'NULL';
else $query.= "'".$row[$info]."'";
}
$query.= ');';
pwg_query( $query );
}
return $error;
}
function update_user( $user_id, $mail_address, $status,
$use_new_password = false, $password = '' )
{
$error = array();
$i = 0;
$error_mail_address = validate_mail_address( $mail_address );
if ( $error_mail_address != '' )
{
$error[$i++] = $error_mail_address;
}
if ( sizeof( $error ) == 0 )
{
$query = 'UPDATE '.USERS_TABLE;
$query.= " SET status = '".$status."'";
if ( $use_new_password )
{
$query.= ", password = '".md5( $password )."'";
}
$query.= ', mail_address = ';
if ( $mail_address != '' )
{
$query.= "'".$mail_address."'";
}
else
{
$query.= 'NULL';
}
$query.= ' WHERE id = '.$user_id;
$query.= ';';
pwg_query( $query );
}
return $error;
}
function check_login_authorization($guest_allowed = true)
{
global $user,$lang,$conf,$page;
if ( $user['is_the_guest'])
{
if ( $conf['access'] == 'restricted' || !$guest_allowed )
{
echo '<div style="text-align:center;">'.$lang['only_members'].'<br />';
echo '<a href="./identification.php">'.$lang['ident_title'].'</a></div>';
exit();
}
}
}
//
// Initialise user settings on page load
function init_userprefs($userdata)
{
global $conf, $template, $lang, $lang_info;
$language = (!empty($userdata['language']) && !$userdata['is_the_guest'] )?$userdata['language']:$conf['default_language'];
if (!empty($userdata['template']) and !$userdata['is_the_guest'])
{
$template = $userdata['template'];
}
else
{
$template = $conf['default_template'];
}
if ( !file_exists(@realpath(PHPWG_ROOT_PATH . 'language/' . $language . '/common.lang.php')) )
{
$language = $conf['default_language'];
}
include_once(PHPWG_ROOT_PATH . 'language/' . $language . '/common.lang.php');
if ($userdata['status'] == 'admin')
{
if ( !file_exists(@realpath(PHPWG_ROOT_PATH . 'language/' . $language. '/admin.lang.php')) )
{
$language = $conf['default_language'];
}
include_once(PHPWG_ROOT_PATH . 'language/' . $language . '/admin.lang.php');
include_once(PHPWG_ROOT_PATH . 'language/' . $language . '/faq.lang.php');
}
$template = setup_style($template);
return;
}
function setup_style($style)
{
$template_path = 'template/' ;
$template_name = $style ;
$template = new Template(PHPWG_ROOT_PATH . $template_path . $template_name);
return $template;
}
function encode_ip($dotquad_ip)
{
$ip_sep = explode('.', $dotquad_ip);
return sprintf('%02x%02x%02x%02x', $ip_sep[0], $ip_sep[1], $ip_sep[2], $ip_sep[3]);
}
function decode_ip($int_ip)
{
$hexipbang = explode('.', chunk_split($int_ip, 2, '.'));
return hexdec($hexipbang[0]). '.' . hexdec($hexipbang[1]) . '.' . hexdec($hexipbang[2]) . '.' . hexdec($hexipbang[3]);
}
function getuserdata($user)
{
$sql = "SELECT * FROM " . USERS_TABLE;
$sql.= " WHERE ";
$sql .= ( ( is_integer($user) ) ? "id = $user" : "username = '" . str_replace("\'", "''", $user) . "'" ) . " AND id <> " . ANONYMOUS;
$result = pwg_query($sql);
return ( $row = mysql_fetch_array($result) ) ? $row : false;
}
?>
|
