0) { array_push($errors, $lang['reg_err_login5']); } // given password must be the same as the confirmation if ($password != $password_conf) { array_push($errors, $lang['reg_err_pass']); } $error_mail_address = validate_mail_address($mail_address); if ($error_mail_address != '') { array_push($errors, $error_mail_address); } // if no error until here, registration of the user if (count($errors) == 0) { $insert = array(); $insert['username'] = mysql_escape_string($login); $insert['password'] = md5($password); $insert['status'] = $status; $insert['template'] = $conf['default_template']; $insert['nb_image_line'] = $conf['nb_image_line']; $insert['nb_line_page'] = $conf['nb_line_page']; $insert['language'] = $conf['default_language']; $insert['recent_period'] = $conf['recent_period']; $insert['feed_id'] = find_available_feed_id(); $insert['expand'] = boolean_to_string($conf['auto_expand']); $insert['show_nb_comments'] = boolean_to_string($conf['show_nb_comments']); if ( $mail_address != '' ) { $insert['mail_address'] = $mail_address; } if ($conf['default_maxwidth'] != '') { $insert['maxwidth'] = $conf['default_maxwidth']; } if ($conf['default_maxheight'] != '') { $insert['maxheight'] = $conf['default_maxheight']; } $query = ' INSERT INTO '.USERS_TABLE.' ('.implode(',', array_keys($insert)).') VALUES ('; $is_first = true; foreach (array_keys($insert) as $field) { if (!$is_first) { $query.= ','; } $query.= "'".$insert[$field]."'"; $is_first = false; } $query.= ') ;'; pwg_query($query); $query = ' UPDATE '.USERS_TABLE.' SET registration_date = NOW() WHERE id = '.mysql_insert_id().' ;'; pwg_query($query); } return $errors; } 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 '
'.$lang['only_members'].'
'; echo ''.$lang['ident_title'].'
'; exit(); } if ($conf['gallery_locked']) { echo '
'; echo $lang['gallery_locked_message']; echo '
'; if ($user['status'] != 'admin') { exit(); } } } function setup_style($style) { return new Template(PHPWG_ROOT_PATH.'template/'.$style); } 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($query); } } /** * update table user_forbidden for the given user * * table user_forbidden contains calculated data. Calculation is based on * private categories minus categories authorized to the groups the user * belongs to minus the categories directly authorized to the user * * @param int user_id * @param string user_status * @return string forbidden_categories */ function calculate_permissions($user_id, $user_status) { $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, $row['id']); } // if user is not an admin, locked categories can be considered as private$ if ($user_status != 'admin') { $query = ' SELECT id FROM '.CATEGORIES_TABLE.' WHERE visible = \'false\' ;'; $result = pwg_query($query); while ($row = mysql_fetch_array($result)) { array_push($private_array, $row['id']); } $private_array = array_unique($private_array); } // 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 $forbidden_categories; } /** * returns the username corresponding to the given user identifier if exists * * @param int user_id * @return mixed */ function get_username($user_id) { $query = ' SELECT username FROM '.USERS_TABLE.' WHERE id = '.intval($user_id).' ;'; $result = pwg_query($query); if (mysql_num_rows($result) > 0) { list($username) = mysql_fetch_row($result); } else { return false; } return $username; } /** * search an available feed_id * * @return string feed identifier */ function find_available_feed_id() { while (true) { $key = generate_key(50); $query = ' SELECT COUNT(*) FROM '.USERS_TABLE.' WHERE feed_id = \''.$key.'\' ;'; list($count) = mysql_fetch_row(pwg_query($query)); if (0 == $count) { return $key; } } } ?>