gnu-social/plugins/ApiLogger/ApiLoggerPlugin.php
2021-07-16 19:44:33 +01:00

91 lines
3.5 KiB
PHP

<?php
/*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @package ApiLoggerPlugin
* @maintainer Brion Vibber <brion@status.net>
*/
if (!defined('STATUSNET')) {
exit(1);
}
class ApiLoggerPlugin extends Plugin
{
const PLUGIN_VERSION = '2.0.0';
// Lower this to do random sampling of API requests rather than all.
// 0.1 will check about 10% of hits, etc.
public $frequency = 1.0;
function onArgsInitialize($args)
{
if (isset($args['action'])) {
$action = strtolower($args['action']);
if (substr($action, 0, 3) == 'api') {
if ($this->frequency < 1.0 && $this->frequency > 0.0) {
$max = mt_getrandmax();
$n = mt_rand() / $max;
if ($n > $this->frequency) {
return true;
}
}
$uri = $_SERVER['REQUEST_URI'];
$method = $_SERVER['REQUEST_METHOD'];
$ssl = empty($_SERVER['HTTPS']) ? 'no' : 'yes';
$cookie = empty($_SERVER['HTTP_COOKIE']) ? 'no' : 'yes';
$etag = empty($_SERVER['HTTP_IF_MATCH']) ? 'no' : 'yes';
$last = empty($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? 'no' : 'yes';
$auth = empty($_SERVER['HTTP_AUTHORIZATION']) ? 'no' : 'yes';
if ($auth == 'no' && function_exists('apache_request_headers')) {
// Sometimes Authorization doesn't make it into $_SERVER.
// Probably someone thought it was scary.
$headers = apache_request_headers();
if (isset($headers['Authorization'])) {
$auth = 'yes';
}
}
$agent = empty($_SERVER['HTTP_USER_AGENT']) ? 'no' : $_SERVER['HTTP_USER_AGENT'];
$query = (strpos($uri, '?') === false) ? 'no' : 'yes';
if ($query == 'yes') {
if (preg_match('/\?since_id=\d+$/', $uri)) {
$query = 'since_id';
}
}
common_log(LOG_INFO, "STATLOG action:$action method:$method ssl:$ssl query:$query cookie:$cookie auth:$auth ifmatch:$etag ifmod:$last agent:$agent");
}
}
return true;
}
public function onPluginVersion(array &$versions): bool
{
$versions[] = array('name' => 'ApiLogger',
'version' => self::PLUGIN_VERSION,
'author' => 'Brion Vibber',
'homepage' => 'https://git.gnu.io/gnu/gnu-social/tree/master/plugins/ApiLogger',
'rawdescription' =>
// TRANS: Plugin description.
_m('Allows random sampling of API requests.'));
return true;
}
}