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,$conf,$template;
if ($user['is_the_guest'] and !$guest_allowed)
{
echo '';
exit();
}
if ($conf['gallery_locked'])
{
echo '';
echo $lang['gallery_locked_message'];
echo '
';
if ($user['status'] != 'admin')
{
exit();
}
}
}
function setup_style($style)
{
$template_path = 'template/' ;
$template_name = $style ;
$template = new Template(PHPWG_ROOT_PATH . $template_path . $template_name);
return $template;
}
function getuserdata($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;
}
/*
* deletes favorites of the current user if he's not allowed to see them
*
* @return void
*/
function check_user_favorites()
{
global $user;
if ($user['forbidden_categories'] == '')
{
return;
}
$query = '
SELECT f.image_id
FROM '.FAVORITES_TABLE.' AS f INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic
ON f.image_id = ic.image_id
WHERE f.user_id = '.$user['id'].'
AND ic.category_id IN ('.$user['forbidden_categories'].')
;';
$result = pwg_query($query);
$elements = array();
while ($row = mysql_fetch_array($result))
{
array_push($elements, $row['image_id']);
}
if (count($elements) > 0)
{
$query = '
DELETE FROM '.FAVORITES_TABLE.'
WHERE image_id IN ('.implode(',', $elements).')
AND user_id = '.$user['id'].'
;';
pwg_query($query);
}
}
/**
* update table user_forbidden for the given user
*
* table user_forbidden contains calculated data. Calculation is based on
* private categories minus categories authorized to the groups the user
* belongs to minus the categories directly authorized to the user
*
* @param int user_id
* @return string forbidden_categories
*/
function calculate_permissions($user_id)
{
$private_array = array();
$authorized_array = array();
$query = '
SELECT id
FROM '.CATEGORIES_TABLE.'
WHERE status = \'private\'
;';
$result = pwg_query($query);
while ($row = mysql_fetch_array($result))
{
array_push($private_array, $row['id']);
}
// retrieve category ids directly authorized to the user
$query = '
SELECT cat_id
FROM '.USER_ACCESS_TABLE.'
WHERE user_id = '.$user_id.'
;';
$result = pwg_query($query);
while ($row = mysql_fetch_array($result))
{
array_push($authorized_array, $row['cat_id']);
}
// retrieve category ids authorized to the groups the user belongs to
$query = '
SELECT cat_id
FROM '.USER_GROUP_TABLE.' AS ug INNER JOIN '.GROUP_ACCESS_TABLE.' AS ga
ON ug.group_id = ga.group_id
WHERE ug.user_id = '.$user_id.'
;';
$result = pwg_query($query);
while ($row = mysql_fetch_array($result))
{
array_push($authorized_array, $row['cat_id']);
}
// uniquify ids : some private categories might be authorized for the
// groups and for the user
$authorized_array = array_unique($authorized_array);
// only unauthorized private categories are forbidden
$forbidden_array = array_diff($private_array, $authorized_array);
$query = '
DELETE FROM '.USER_FORBIDDEN_TABLE.'
WHERE user_id = '.$user_id.'
;';
pwg_query($query);
$forbidden_categories = implode(',', $forbidden_array);
$query = '
INSERT INTO '.USER_FORBIDDEN_TABLE.'
(user_id,need_update,forbidden_categories)
VALUES
('.$user_id.',\'false\',\''.$forbidden_categories.'\')
;';
pwg_query($query);
return $forbidden_categories;
}
?>