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Blockbot: Avoid false positives

This commit is contained in:
Michael Vogel 2019-04-27 13:51:44 +02:00
parent dd01cbd52d
commit 5e18b276af
1 changed files with 17 additions and 0 deletions
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17
blockbot/blockbot.php
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@ -11,6 +11,7 @@ use Friendica\App;
use Friendica\Core\Hook;
use Friendica\Core\System;
use Jaybizzle\CrawlerDetect\CrawlerDetect;
use Friendica\Core\Logger;
require_once __DIR__ . DIRECTORY_SEPARATOR . 'vendor' . DIRECTORY_SEPARATOR . 'autoload.php';
@ -26,7 +27,23 @@ function blockbot_uninstall() {
function blockbot_init_1(App $a) {
$crawlerDetect = new CrawlerDetect();
// List of strings of known "good" agents
$agents = ['diaspora-connection-tester', 'DiasporaFederation', 'Friendica', '(compatible; zot)',
'Micro.blog', 'Mastodon', 'hackney', 'GangGo', 'python/federation', 'GNU social', 'winHttp',
'Go-http-client', 'Mr.4x3 Powered', 'Test Certificate Info', 'WordPress.com', 'zgrab',
'curl/', 'StatusNet', 'OpenGraphReader/', 'Uptimebot/', 'python-opengraph-jaywink'];
if ($crawlerDetect->isCrawler()) {
foreach ($agents as $agent) {
if (stristr($_SERVER['HTTP_USER_AGENT'], $agent)) {
// @ToDo: Report every false positive here: https://github.com/JayBizzle/Crawler-Detect/issues/326
logger::notice('False positive', ['agent' => $_SERVER['HTTP_USER_AGENT']]);
return;
}
}
logger::info('Blocked bot', ['agent' => $_SERVER['HTTP_USER_AGENT']]);
System::httpExit(403, 'Bots are not allowed');
} else {
logger::debug('Good user agent detected', ['agent' => $_SERVER['HTTP_USER_AGENT']]);
}
}