/**
* Name: blockbot
* Description: Blocking bots based on detecting bots/crawlers/spiders via the user agent and http_from header.
- * Version: 0.2
+ * Version: 1.0
* Author: Philipp Holzer <admin@philipp.info>
* Author: Michael Vogel <https://pirati.ca/profile/heluecht>
*
use Jaybizzle\CrawlerDetect\CrawlerDetect;
use Friendica\Core\Logger;
use Friendica\Core\Renderer;
+use Friendica\Core\System;
use Friendica\Network\HTTPException\ForbiddenException;
+use Friendica\Util\Network;
require_once __DIR__ . DIRECTORY_SEPARATOR . 'vendor' . DIRECTORY_SEPARATOR . 'autoload.php';
$o = Renderer::replaceMacros($t, [
'$submit' => DI::l10n()->t('Save Settings'),
- '$good_crawlers' => ['good_crawlers', DI::l10n()->t('Allow "good" crawlers'), DI::config()->get('blockbot', 'good_crawlers'), DI::l10n()->t("Don't block fediverse crawlers, relay servers and other bots with good purposes.")],
- '$socialmedia_agents' => ['socialmedia_agents', DI::l10n()->t('Allow preview agents'), DI::config()->get('blockbot', 'socialmedia_agents'), DI::l10n()->t("Don't block agents from social media systems that want to generate preview data for links that had been set by their users.")],
+ '$security_checker' => ['security_checker', DI::l10n()->t('Allow security checkers'), DI::config()->get('blockbot', 'security_checker'), DI::l10n()->t("Don't block security checkers. They can be used for good or bad.")],
'$http_libraries' => ['http_libraries', DI::l10n()->t('Allow generic HTTP libraries'), DI::config()->get('blockbot', 'http_libraries'), DI::l10n()->t("Don't block agents from generic HTTP libraries that could be used for good or for bad and that currently can't be traced back to any known Fediverse project.")],
- '$block_gab' => ['block_gab', DI::l10n()->t('Block GabSocial'), DI::config()->get('blockbot', 'block_gab'), DI::l10n()->t('Block the software GabSocial. This will block every access for that software. You can block dedicated gab instances in the blocklist settings in the admin section.')],
'$training' => ['training', DI::l10n()->t('Training mode'), DI::config()->get('blockbot', 'training'), DI::l10n()->t("Activates the training mode. This is only meant for developing purposes. Don't activate this on a production machine. This can cut communication with some systems.")],
]);
}
function blockbot_addon_admin_post()
{
- DI::config()->set('blockbot', 'good_crawlers', $_POST['good_crawlers'] ?? false);
- DI::config()->set('blockbot', 'socialmedia_agents', $_POST['socialmedia_agents'] ?? false);
+ DI::config()->set('blockbot', 'security_checker', $_POST['security_checker'] ?? false);
DI::config()->set('blockbot', 'http_libraries', $_POST['http_libraries'] ?? false);
- DI::config()->set('blockbot', 'block_gab', $_POST['block_gab'] ?? false);
DI::config()->set('blockbot', 'training', $_POST['training'] ?? false);
}
+function blockbot_reject()
+{
+ throw new ForbiddenException('Bots are not allowed. If you consider this a mistake, create an issue at https://github.com/friendica/friendica');
+}
+
function blockbot_init_1()
{
if (empty($_SERVER['HTTP_USER_AGENT'])) {
return;
}
- $logdata = ['agent' => $_SERVER['HTTP_USER_AGENT'], 'uri' => $_SERVER['REQUEST_URI']];
+ $crawlerDetect = new CrawlerDetect();
- // List of known unwanted crawlers.
- $agents = [
- 'SemrushBot', 's~feedly-nikon3', 'Qwantify/Bleriot/', 'ltx71', 'Sogou web spider/',
- 'Diffbot/', 'YisouSpider', 'evc-batch/', 'LivelapBot/', 'TrendsmapResolver/',
- 'PaperLiBot/', 'Nuzzel', 'um-LN/', 'Google Favicon', 'Datanyze', 'BLEXBot/', '360Spider',
- 'adscanner/', 'HeadlessChrome', 'wpif', 'startmebot/', 'Googlebot/', 'Applebot/',
- 'GoogleImageProxy', 'bingbot/', 'heritrix/', 'ldspider',
- 'AwarioRssBot/', 'TweetmemeBot/', 'dcrawl/', 'PhantomJS/', 'Googlebot-Image/',
- 'CrowdTanglebot/', 'Mediapartners-Google', 'Baiduspider', 'datagnionbot',
- 'MegaIndex.ru/', 'SMUrlExpander', 'Hatena-Favicon/', 'Wappalyzer', 'FlipboardProxy/',
- 'NetcraftSurveyAgent/', 'Dataprovider.com', 'SMTBot/', 'Nimbostratus-Bot/',
- 'DuckDuckGo-Favicons-Bot/', 'IndieWebCards/', 'proximic', 'netEstate NE Crawler',
- 'AhrefsBot/', 'YandexBot/', 'Exabot/', 'Mediumbot-MetaTagFetcher/',
- 'SurdotlyBot/', 'BingPreview/', 'SabsimBot/', 'CCBot/', 'WbSrch/',
- 'DuckDuckBot-Https/', 'HTTP Banner Detection', 'YandexImages/', 'archive.org_bot',
- 'ArchiveTeam ArchiveBot/', 'yacybot', 'https://developers.google.com/+/web/snippet/',
- 'Scrapy/', 'MJ12bot/', 'DotBot/', 'Pinterestbot/', 'Jooblebot/',
- 'Cliqzbot/', 'YaK/', 'Mediatoolkitbot', 'Snacktory', 'FunWebProducts', 'oBot/',
- '7Siters/', 'KOCMOHABT', 'Google-SearchByImage', 'FemtosearchBot/',
- 'HubSpot Crawler', 'DomainStatsBot/', 'Re-re Studio', 'AwarioSmartBot/',
- 'DNSResearchBot/', 'PetalBot;', 'Nmap Scripting Engine;',
- 'Google-Apps-Script; beanserver;', 'woorankreview/', 'Seekport Crawler;', 'AHC/',
- 'Semanticbot/', 'XoviOnpageCrawler;', 'Pinterest/',
- 'GetHPinfo.com-Bot/', 'BoardReader Favicon Fetcher', 'Google-Adwords-Instant', 'newspaper/',
- 'YurichevBot/', 'Crawling at Home Project', 'InfoTigerBot/', 'AdIdxBot/',
- 'MicrosoftPreview/', 'masscan/', 'Timpibot/', 'everyfeed-spider/', 'AndroidDownloadManager/',
- 'WebZIP/', 'WDG_Validator/', 'Screaming Frog SEO Spider/', ' Bytespider;', 'ISSCyberRiskCrawler/',
- 'BitSightBot/', 'ev-crawler/', 'CensysInspect/1.1', 'Protopage/', 'Gaisbot/', 'WellKnownBot/',
- 'SuperBot/', 'Googlebot-Mobile/', 'GPTBot/', 'GenomeCrawlerd/', '2ip bot/', 'Ocarinabot',
- 'Yahoo! Slurp;', 'AdsBot-Google', 'Gregarius/', 'FAST-WebCrawler/', 'Xenu Link Sleuth/',
- 'Ask Jeeves', 'alexa site audit/', 'Yahoo! Slurp China;', 'Microsoft URL Control',
- 'Facebot', 'Googlebot-Video/', 'msnbot/', 'Offline Explorer/', 'YandexNews/', 'msnbot-media/',
- 'EmailWolf', 'Download Demon/', 'FeedFetcher-Google;', 'WebCopier', '+ONB_Bot_Btrix',
- 'scoopit-crawler/', 'ia_archiver', 'Quora-Bot/', 'WebwikiBot/', 'FullStoryBot/',
- 'wpbot/', 'SearchExpress', 'DuckDuckBot/', 'Google Web Preview',
- ];
+ $isCrawler = $crawlerDetect->isCrawler();
+
+ blockbot_save('all-agents', $_SERVER['HTTP_USER_AGENT']);
- if (DI::config()->get('blockbot', 'block_gab')) {
- $agents[] = 'GabSocial/';
+ $parts = blockbot_get_parts($_SERVER['HTTP_USER_AGENT']);
+
+ $logdata = ['isCrawler' => $isCrawler, 'agent' => $_SERVER['HTTP_USER_AGENT'], 'uri' => $_SERVER['REQUEST_URI'], 'parts' => $parts];
+
+ if ($isCrawler) {
+ blockbot_check_login_attempt($_SERVER['REQUEST_URI'], $logdata);
}
- // List of "good" crawlers, mostly from the fediverse.
- $good_agents = [
- 'fediverse.space crawler', 'fediverse.network crawler', 'Active_Pods_CheckBot_3.0',
- 'Social-Relay/', 'Test Certificate Info', 'Uptimebot/', 'GNUSocialBot', 'UptimeRobot/',
- 'PTST/', 'Zabbix', 'Poduptime/', 'FediFetcher', 'lemmy-stats-crawler',
- 'FedditLemmyverseCrawler/', 'lemmy-explorer-crawler/', 'URIports Validator',
- 'rss-is-dead.lol web bot;', 'fedistatsCrawler/', 'W3C_CSS_Validator_JFouffa/',
- 'IABot/', 'Slackbot 1', 'BeeperBot/', 'Matrix-Media-Repo/', 'P3P Validator',
- 'KeybaseBot;',
- ];
+ if (empty($parts)) {
+ Logger::debug('Known frontend found', $logdata);
+ if ($isCrawler) {
+ blockbot_save('badly-parsed-agents', $_SERVER['HTTP_USER_AGENT']);
+ }
+ return;
+ }
+
+ if (blockbot_is_crawler($parts)) {
+ Logger::debug('Crawler found', $logdata);
+ blockbot_reject();
+ }
- if (!DI::config()->get('blockbot', 'good_crawlers')) {
- $agents = array_merge($agents, $good_agents);
- } elseif (blockbot_match($good_agents)) {
+ if (blockbot_is_searchbot($parts)) {
+ Logger::debug('Search bot found', $logdata);
+ blockbot_reject();
+ }
+
+ if (blockbot_is_unwanted($parts)) {
+ Logger::debug('Uncategorized unwanted agent found', $logdata);
+ blockbot_reject();
+ }
+
+ if (blockbot_is_security_checker($parts)) {
+ Logger::debug('Security checker found', $logdata);
+ if (!DI::config()->get('blockbot', 'security_checker')) {
+ blockbot_reject();
+ }
return;
}
- // List of agents from social media systems that fetch preview data via opem graph or twitter cards.
- $socialmedia_agents = ['Twitterbot', 'facebookexternalhit/', 'SkypeUriPreview Preview/',
- 'TelegramBot', 'WhatsApp/', 'github-camo', 'Bluesky Cardyb/', 'XING-contenttabreceiver/',
- 'LinkedInBot/', 'Instagram ', 'Synapse (bot; ', 'Discordbot/', 'SummalyBot/',
- 'Slackbot-LinkExpanding', 'Slack-ImgProxy', 'Iframely/',
- ];
+ if (blockbot_is_social_media($parts)) {
+ Logger::debug('Social media service found', $logdata);
+ return;
+ }
- if (!DI::config()->get('blockbot', 'socialmedia_agents')) {
- $agents = array_merge($agents, $socialmedia_agents);
- } elseif (blockbot_match($socialmedia_agents)) {
+ if (blockbot_is_fediverse_client($parts)) {
+ Logger::debug('Fediverse client found', $logdata);
+ return;
+ }
+
+ if (blockbot_is_feed_reader($parts)) {
+ Logger::debug('Feed reader found', $logdata);
+ return;
+ }
+
+ if (blockbot_is_fediverse_tool($parts)) {
+ Logger::debug('Fediverse tool found', $logdata);
+ return;
+ }
+
+ if (blockbot_is_service_agent($parts)) {
+ Logger::debug('Service agent found', $logdata);
+ return;
+ }
+
+ if (blockbot_is_monitor($parts)) {
+ Logger::debug('Monitoring service found', $logdata);
+ return;
+ }
+
+ if (blockbot_is_validator($parts)) {
+ Logger::debug('Validation service found', $logdata);
return;
}
-
- // HTTP Libraries
- $http_libraries = ['ReactorNetty/', 'GuzzleHttp/', 'Embed PHP library', 'python-urllib3/',
- 'EventMachine HttpClient', 'HTMLParser/'
- ];
- if (!DI::config()->get('blockbot', 'http_libraries')) {
- $agents = array_merge($agents, $http_libraries);
- } elseif (blockbot_match($http_libraries)) {
+ if (blockbot_is_good_tool($parts)) {
+ Logger::debug('Uncategorized helpful service found', $logdata);
return;
}
- if (blockbot_match($agents)) {
- throw new ForbiddenException('Bots are not allowed. If you consider this a mistake, create an issue at https://github.com/friendica/friendica');
+ // Needs to be checked at the end, since other services might use these libraries
+ if (blockbot_is_http_library($parts)) {
+ blockbot_check_login_attempt($_SERVER['REQUEST_URI'], $logdata);
+ Logger::debug('HTTP Library found', $logdata);
+ if (!DI::config()->get('blockbot', 'http_libraries')) {
+ blockbot_reject();
+ }
+ return;
}
// This switch here is only meant for developers who want to add more bots to the list above, it is not safe for production.
return;
}
- $crawlerDetect = new CrawlerDetect();
+ if (!$isCrawler) {
+ blockbot_save('good-agents', $_SERVER['HTTP_USER_AGENT']);
+ Logger::debug('Non-bot user agent detected', $logdata);
+ return;
+ }
+
+ blockbot_save('bad-agents', $_SERVER['HTTP_USER_AGENT']);
+ Logger::notice('Blocked bot', $logdata);
+ blockbot_reject();
+}
- if (!$crawlerDetect->isCrawler()) {
- logger::debug('Good user agent detected', $logdata);
+function blockbot_save($database, $userAgent)
+{
+ if (!DI::config()->get('blockbot', 'training') || !function_exists('dba_open')) {
return;
}
- // List of known "good" agents, mostly used by Fediverse systems, feed readers, ...
+ $resource = dba_open(System::getTempPath() . '/' . $database, 'cl');
+ $result = dba_fetch($userAgent, $resource);
+ if ($result === false) {
+ dba_insert($userAgent, true, $resource);
+ }
+ dba_close($resource);
+}
+
+function blockbot_check_login_attempt(string $url, array $logdata)
+{
+ if (in_array(trim(parse_url($url, PHP_URL_PATH), '/'), ['login', 'lostpass', 'register'])) {
+ Logger::debug('Login attempt detected', $logdata);
+ blockbot_reject();
+ }
+}
+
+/**
+ * Uncategorized and unwanted services
+ *
+ * @param array $parts
+ * @return boolean
+ */
+function blockbot_is_unwanted(array $parts): bool
+{
$agents = [
- 'curl', 'zgrab', 'Go-http-client', 'curb', 'github.com', 'reqwest', 'Feedly/',
- 'Python-urllib/', 'Liferea/', 'aiohttp/', 'WordPress.com Reader', 'hackney/',
- 'Faraday v', 'okhttp', 'UniversalFeedParser', 'PixelFedBot', 'python-requests',
- 'WordPress/', 'http.rb/', 'Apache-HttpClient/', 'WordPress.com;', 'Pleroma',
- 'Dispatch/', 'Ruby', 'Java/', 'libwww-perl/', 'Mastodon/', 'FeedlyApp/',
- 'lua-resty-http/', 'Tiny Tiny RSS/', 'Wget/', 'PostmanRuntime/',
- 'W3C_Validator/', 'NetNewsWire', 'FeedValidator/', 'theoldreader.com', 'axios/',
- 'Paw/', 'PeerTube/', 'fedi.inex.dev', 'FediDB/', 'index.community crawler',
- 'Slackbot-LinkExpanding', 'Firefish/', 'Takahe/', 'Akkoma ', 'Misskey/', 'Lynx/',
- 'camo-rs asset proxy', 'gotosocial/', 'incestoma ', 'SpaceCowboys Android RSS Reader',
- 'NewsBlur Feed Finder', 'Lemmy/', 'enby-town/', 'rss2tg bot;', '; HTTrack ',
- 'MbinBot', 'kbinBot', 'Pixelfed/', 'NewsBlur Feed Fetcher', 'NewsBlur Page Fetcher',
+ 'oii-research', 'yisouspider', 'bots.retroverse.social', 'gaisbot', 'bloglines', 'emailwolf',
+ 'webtech', 'facebookscraper', 'www.ecsl.cs.sunysb.edu/~maxim/cgi-bin/link',
+ 'gulper', 'magellan', 'linkcheck', 'nerdybot', 'ms search robot', 'fast-webcrawler',
+ 'yioopbot', 'webster', 'www.admantx.com', 'openhosebot', 'lssrocketcrawler', 'dow jones searchbot',
+ 'gomezagent', 'domainsigmacrawler', 'netseer crawler', 'gptbot', 'superbot', 'searchexpress',
+ 'alittle client', 'amazon-kendra', 'scanner.ducks.party', 'isscyberriskcrawler',
+ 'google wireless transcoder',
];
- if (blockbot_match($agents)) {
- logger::info('False positive', $logdata);
- return;
+ foreach ($parts as $part) {
+ if (in_array($part, $agents)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * Services defined as "crawlers"
+ *
+ * @param array $parts
+ * @return boolean
+ */
+function blockbot_is_crawler(array $parts): bool
+{
+ $agents = [
+ 'ahrefsbot', 'pinterest', 'proximic', 'applebot', 'synapseworkstation.3.2.1',
+ 'slackbot-linkexpanding', 'semrushbot-sa', 'qwantify', 'google search console',
+ 'tbot-nutch', 'screaming frog seo spider', 'exaleadcloudview', 'dotbot', 'exabot',
+ 'spbot', 'surdotlybot', 'tweetmemebot', 'cliqzbot', 'startmebot', 'ccbot', 'zoombot',
+ 'domain re-animator bot', 'nutch', 'archive.org_bot http://www.archive.org/details',
+ 'yahoo link preview', 'mxt', 'grapeshotcrawler', 'maxpointcrawler', 'vagabondo',
+ 'archive.org_bot', 'infegyatlas', '2ip bot', 'accompanybot', 'antbot', 'anthropic-ai',
+ 'aspiegelbot', 'cispa web analyzer', 'claudebot', 'colly', 'petalbot', 'ioncrawl',
+ 'embedly +support@embed.ly', 'gitcrawlerbot', 'google favicon', 'httpx', 'seokicks',
+ 'kocmohabt', 'masscan-ng', 'mixnodecache', 'nicecrawler', 'birdcrawlerbot', 'seolyt',
+ 'dataprovider.com', 'dnsresearchbot', 'domains project', 'evc-batch', 'ev-crawler',
+ 'example3', 'geedobot', 'internetmeasurement', 'ips-agent', 'semanticscholarbot',
+ 'sputnikfaviconbot', 't3versionsbot', 'tchelebi', 'thinkchaos', 'velenpublicwebcrawler',
+ 'webwikibot', 'woobot', 'project-resonance', 'mtrobot', 'webprosbot', 'youbot',
+ 'queryseekerspider', 'scanning for research', 'semrushbot', 'senutobot', 'spawning-ai',
+ 'statista.com publication finder crawler', 'turnitin', 'who.is bot', 'zaldamosearchbot',
+ 'nuzzel', 'boardreader blog indexer', 'hatena-favicon', 'nbertaupete95', 'scrapy',
+ "electronic frontier foundation's do not track verifier", 'synapse', 'trendsmapresolver',
+ 'pinterestbot', 'um-ln', 'slack-imgproxy', 'diffbot', 'dataforseobot', 'bw', 'bitlybot',
+ 'twingly recon-klondike', 'imagesiftbot', 'google', 'rogerbot', 'yahoocachesystem',
+ 'vkshare', 'appid: s~virustotalcloud', 'clickagy intelligence bot v2',
+ ];
+
+ foreach ($parts as $part) {
+ if (substr($part, -13) == ' accompanybot') {
+ return true;
+ }
+
+ if (in_array($part, $agents)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * Services defined as search bots
+ *
+ * @param array $parts
+ * @return boolean
+ */
+function blockbot_is_searchbot(array $parts): bool
+{
+ $agents = [
+ 'yahoo! slurp', 'linkcheck by siteimprove.com', 'googlebot', '360spider', 'haosouspider',
+ 'mj12bot', 'feedfetcher-google', 'mediapartners-google', 'duckduckgo-favicons-bot',
+ 'googlebot-mobile', 'gigablastopensource', 'bingbot', 'surveybot', 'yandexbot',
+ 'baiduspider', 'google web preview', 'meanpathbot', 'wesee_bot:we_help_monitize_your_site',
+ 'seznambot', 'sogou web spider', 'linkdexbot', 'msnbot', 'smtbot', 'yandexmetrika',
+ 'google-site-verification', 'netcraft ssl server survey - contact info@netcraft.com',
+ 'orangebot', 'google-adwords-instant', 'googlebot-richsnippets', 'google-lens',
+ 'googleother', 'google-test', 'linkdex.com', 'mail.ru', 'awariobot', 'bytespider',
+ 'coccocbot-image', 'discobot', 'google-inspectiontool', 'netcraftsurveyagent',
+ 'tineye-bot', 'tineye-bot-live', 'bingpreview', 'ask jeeves', 'adsbot-google', "msnbot-media ",
+ 'googlebot-image', 'googlebot-news', 'googlebot-video', 'msnbot-media', 'yahoo! slurp china',
+ 'inoreader.com-like feedfetcher-google', 'google-amphtml', 'duckduckbot', 'coccocbot-web',
+ 'googleassociationservice', 'yandexwebmaster', 'yacybot', 'duckduckbot-https', 'yandexmobilebot',
+ 'mail.ru_bot/fast', 'yandeximages', 'mail.ru_bot/img', 'ia_archiver', 'yandexblogs',
+ 'yandexaccessibilitybot', 'yandeximageresizer', 'mail.ru_bot', 'yeti', 'obot', 'baiduspider-render',
+ ];
+
+ foreach ($parts as $part) {
+ if (in_array($part, $agents)) {
+ return true;
+ }
}
+ return false;
+}
- logger::notice('Blocked bot', $logdata);
- throw new ForbiddenException('Bots are not allowed. If you consider this a mistake, create an issue at https://github.com/friendica/friendica');
+/**
+ * Services in the "security" context
+ *
+ * @param array $parts
+ * @return boolean
+ */
+function blockbot_is_security_checker(array $parts): bool
+{
+ $agents = [
+ 'http banner detection', 'l9explore', 'l9tcpid', 'lkx-apache2449traversalplugin',
+ 'bitsightbot', 'censysinspect', 'pathspider', 'repolookoutbot', 'sqlmap', 'ltx71',
+ 'netsystemsresearch studies the availability of various services across the internet. our website is netsystemsresearch.com',
+ 'expanse a palo alto networks company searches across the global ipv4 space multiple times per day to identify customers'',
+ 'zgrab', 'nmap scripting engine', 'l9scan', 'riddler',
+ ];
+
+ foreach ($parts as $part) {
+ if (in_array($part, $agents)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * Services that check pages for e.g. valid HTML
+ *
+ * @param array $parts
+ * @return boolean
+ */
+function blockbot_is_validator(array $parts): bool
+{
+ $agents = [
+ 'jigsaw', 'ssl labs', 'w3c_validator', 'w3c-checklink', 'p3p validator', 'csscheck',
+ ];
+
+ foreach ($parts as $part) {
+ if (in_array($part, $agents)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * Services that monitor a page
+ *
+ * @param array $parts
+ * @return boolean
+ */
+function blockbot_is_monitor(array $parts): bool
+{
+ $agents = [
+ 'alexa site audit', 'catchpoint', 'google page speed insights', 'checkhost',
+ 'poduptime', 'chrome-lighthouse', 'zabbix', 'cloudflare-alwaysonline',
+ ];
+
+ foreach ($parts as $part) {
+ if (in_array($part, $agents)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * Services in the centralized and decentralized social media environment
+ *
+ * @param array $parts
+ * @return boolean
+ */
+function blockbot_is_social_media(array $parts): bool
+{
+ $agents = ['camo-rs asset proxy', 'camo asset proxy'];
+ foreach ($parts as $part) {
+ foreach ($agents as $agent) {
+ if (strpos($part, $agent) !== false) {
+ return true;
+ }
+ }
+ }
+
+ $agents = [
+ 'facebookexternalhit', 'twitterbot', 'mastodon', 'facebookexternalua',
+ 'friendica', 'diasporafederation', 'buzzrelay', 'activityrelay',
+ 'aoderelay', 'ap-relay', 'peertube', 'misskey', 'pleroma', 'foundkey', 'akkoma',
+ 'lemmy', 'calckey', 'mobilizon', 'zot', 'camo-rs', 'gotosocial', 'pixelfed',
+ 'pixelfedbot', 'app.wafrn.net', 'go-camo', 'http://a.gup.pe', 'iceshrimp',
+ 'firefish', 'activity-relay', 'juick', 'camo', 'python/federation', 'nextcloud',
+ 'snac', 'bovine', 'takahe', 'freedica', 'gnu social', 'microblogpub',
+ 'mbin', 'mammoth', 'kbinbot', 'honksnonk', 'misskeymediaproxy', 'kbinbot', 'jistflow',
+ 'mastodon/3.4.1 fedibird', 'fedibird', 'funkwhale',
+ 'wafrn-cache-generator', 'simple social network', 'mbinbot', 'wordpress.com',
+ 'catnip', 'castopod', 'enby-town', 'vernissage', 'iceshrimp.net', 'plasmatrap',
+ 'imgproxy', 'rustypub', 'flipboard activitypub', 'gnu social activitypub plugin',
+ 'micro.blog', 'mastodon-bookmark-rss', 'bookwyrm', 'damus', 'primal', 'misskeyadmin',
+ 'ruby, mastodon', 'nextcloud social', 'camo asset proxy', 'smithereen', 'sorasns',
+ 'cherrypick', 'bonfire activitypub federation', 'upub+0.1.0', 'plume', 'incestoma',
+ 'gyptazyfedi', 'apogee', 'quolibet',
+ ];
+
+ foreach ($parts as $part) {
+ if (in_array($part, $agents)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * Fediverse clients
+ *
+ * @param array $parts
+ * @return boolean
+ */
+function blockbot_is_fediverse_client(array $parts): bool
+{
+ $agents = [
+ 'mastodonandroid', 'tootdeck-worker', 'piefed', 'brighteon', 'pachli', 'tusky', 'mona', 'mitra',
+ 'megalodonandroid', 'fedilab', 'mastodonapp', 'toot!', 'intravnews',
+ 'pixeldroid', 'greatnews', 'protopage', 'newsfox', 'vienna', 'wp-urldetails', 'husky',
+ 'activitypub-go-http-client', 'mobilesafari', 'mastodon-ios', 'mastodonpy', 'techniverse',
+ ];
+
+ foreach ($parts as $part) {
+ if (in_array($part, $agents)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * Feed reading clients and services
+ *
+ * @param array $parts
+ * @return boolean
+ */
+function blockbot_is_feed_reader(array $parts): bool
+{
+ $agents = [
+ 'tiny tiny rss', 'mlem', 'feedly', 'flipboardproxy', 'reeder', 'netnewswire',
+ 'freshrss', 'feedlyapp', 'feedlybot', 'feeddemon', 'rssowl', 'simplepie',
+ 'magpierss', 'universalfeedparser', 'newsgatoronline', 'theoldreader.com',
+ 'quiterss', 'feedburner', 'digg feed fetcher', 'r6_feedfetcher', 'apple-pubsub',
+ 'netvibes', 'newsblur page fetcher', 'newsblur favicon fetcher', 'newsblur favicon fetcher',
+ 'liferea', 'http://www.jetbrains.com/omea_reader/', 'feedblitz', 'bloglovin',
+ 'windows-rss-platform', 'feedshow', 'feedreader', 'rssbandit', 'everyfeed-spider',
+ 'feeeed', 'spacecowboys android rss reader', 'gregarius', 'feedspot',
+ 'feedspot ssl asset proxy', 'newsgator', 'newsgator fetchlinks extension',
+ 'akregator',
+ ];
+
+ foreach ($parts as $part) {
+ if (in_array($part, $agents)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+function blockbot_is_fediverse_tool(array $parts): bool
+{
+ $agents = [
+ 'diaspora-connection-tester', 'fediblock.manalejandro.com',
+ 'mastodoninstances', 'fedilist agent', 'https://fedilist.com/', 'fedidb',
+ 'https://wiki.communitydata.science/communitydata:fediverse_research', 'mastofeed.com',
+ 'lemmy-explorer-crawler', 'fedicheck.online v1.0', 'momostr', 'fedditlemmyversecrawler',
+ 'fediseer', 'fedistatscrawler', 'gnusocialbot', 'fedifetcher', 'fedineko', 'bird.makeup',
+ 'fediverse', 'fedicheck.online', 'https://fed.brid.gy/', 'lemmy-stats-crawler',
+ "fediverse's stats", 'friendicadirectory', 'rss discovery engine',
+ 'python-opengraph-jaywink', 'connect.rocks', 'tootsdk',
+ ];
+
+
+ foreach ($parts as $part) {
+ if (in_array($part, $agents)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * General services
+ *
+ * @param array $parts
+ * @return boolean
+ */
+function blockbot_is_service_agent(array $parts): bool
+{
+ $agents = [
+ 'chrome privacy preserving prefetch proxy', 'http compression test', 'microsoftpreview',
+ 'pocketimagecache', 'wordpress', 'skypeuripreview preview', 'wordpress.com', 'discordbot',
+ 'summalybot', 'livelapbot', 'whatsapp', 'facebot', 'skypeuripreview',
+ 'plasmatrap image proxy server', 'grammarly',
+ ];
+
+ foreach ($parts as $part) {
+ if (in_array($part, $agents)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * Libraries that perform HTTP requests
+ *
+ * @param array $parts
+ * @return boolean
+ */
+function blockbot_is_http_library(array $parts): bool
+{
+ if ((count($parts) == 1) && in_array($parts[0], ['okhttp', 'useragent'])) {
+ return true;
+ }
+
+ $agents = [
+ 'python-urllib', 'go-http-client', 'axios', 'java', 'undici', 'node', 'ruby',
+ 'mint', 'wget', 'dart:io', 'dart', 'caveman-sieve', 'guzzlehttp', 'deno',
+ 'aiohttp', 'networkingextension', 'python-asks', 'fasthttp', 't7', 'scalaj-http',
+ 'curl', 'python-requests', 'node-fetch', 'offline explorer', 'aria2',
+ 'link_thumbnailer', 'python-httpx', 'com.apple.safari.searchhelper',
+ 'com.apple.webkit.networking', 'luasocket', 'libwww-perl', 'google-http-java-client',
+ 'appengine-google', 'reqwest', 'htmlparser', 'headlesschrome', 'winhttp',
+ 'webcopier', 'webzip', 'http.jl', 'got', 'hackney', 'oca\mail\vendor\favicon',
+ 'winhttp.winhttprequest.5', 'go package http', 'jakarta commons-httpclient',
+ 'cpp-httplib', 'fuzz faster u fool v1.3.1-dev', 'fuzz faster u fool v1.5.0-dev',
+ 'go http package', 'go-resty', 'http.rb', 'ivre-masscan', 'java1.0.21.0',
+ 'jsdom', 'python-urllib3', 'reactornetty', 'req', 'restsharp', 'ruby-rdf-distiller',
+ 'pycurl',
+ ];
+
+ foreach ($parts as $part) {
+ if (in_array($part, $agents)) {
+ return true;
+ }
+ }
+ return false;
}
-function blockbot_match(array $agents)
+/**
+ * Uncategorized helpful services
+ *
+ * @param array $parts
+ * @return boolean
+ */
+function blockbot_is_good_tool(array $parts): bool
{
- foreach ($agents as $agent) {
- if (stristr($_SERVER['HTTP_USER_AGENT'], $agent)) {
+ $agents = [
+ 'easy-feed-oven', 'cutycapt', 'rss-is-dead.lol web bot', 'dnt-policy@eff.org',
+ 'https://socnetv.org', 'opengraphreader', 'trendfetcher', 'iabot', 'rss-is-dead.lol feed bot',
+ 'androiddownloadmanager', 'readybot.io', 'hydra', 'httrack', 'vlc', 'wellknownbot', 'wdg_validator', 'download demon',
+ ];
+
+
+ foreach ($parts as $part) {
+ if (in_array($part, $agents)) {
return true;
}
}
return false;
-}
\ No newline at end of file
+}
+
+function blockbot_get_parts(string $agent): array
+{
+ $parts = [];
+ $level = 0;
+ $start = 0;
+ $end = 0;
+ $has_brackets = false;
+ for ($pos = 0; $pos < strlen($agent); $pos++) {
+ if ((strpos(substr($agent, $pos), '(') === false) && ($level == 0)) {
+ $part = substr($agent, $pos);
+ $parts = array_merge($parts, blockbot_split_parts($part, strpos($part, '/'), !$has_brackets));
+ break;
+ } elseif (substr($agent, $pos, 1) == '(') {
+ $level++;
+ $has_brackets = true;
+ if ($level == 1) {
+ $part = substr($agent, $end, $pos - $end);
+ $parts = array_merge($parts, blockbot_split_parts($part, $start != 0, false));
+ $start = $pos + 1;
+ }
+ } elseif (substr($agent, $pos, 1) == ')') {
+ $level--;
+ if ($level == 0) {
+ $part = substr($agent, $start, $pos - $start);
+ $parts = array_merge($parts, blockbot_split_parts($part, false, true));
+ $end = $pos + 1;
+ }
+ }
+ }
+ return blockbot_remove_browser_parts($parts);
+}
+
+function blockbot_remove_browser_parts(array $parts): array
+{
+ $cleaned = [];
+ foreach ($parts as $part) {
+ if (substr($part, -6) == ' build') {
+ continue;
+ }
+ $known = [
+ 'mozilla', 'x11', 'ubuntu', 'linux x86_64', 'gecko', 'firefox', 'windows nt',
+ 'win64', 'x64', 'android', 'applewebkit', 'khtml', 'like', 'chrome', 'safari', 'edg',
+ 'unsupported', 'compatible', 'macintosh', 'intel mac os x', 'version', 'windows',
+ 'u', 'en-us', '.net', '.net', 'wow64', 'linux', 'k', 'mobile', 'opr', 'msie',
+ 'dalvik', 'build', 'nt', 'mobile safari', 'gecko/firefox', 'zh-cn', 'en-gb', 'clr',
+ 'trident', '.net clr', 'qtwebengine', 'linux i686', 'tablet pc', 'ppc mac os x',
+ 'en', 'fedora', 'ppc', 'edge', 'yabrowser', 'yowser', 'media center pc', 'arm_64',
+ 'android 9', 'cros x86_64', 'iphone', 'cpu iphone os like mac os x', 'core',
+ 'qqbrowser', 'beta', 'khtml like gecko', 'psp (playstation portable)', 'ia64',
+ 'firephp', 'live', 'slcc2', 'infopath.2', 'bidubrowser', 'ubrowser', 'baiduboxapp',
+ 'waterfox', 'lynx', 'libwww-fm', 'ssl-mm', 'openssl', 'gnutls', '.net4.0c', '.net4.0e',
+ 'infopath.3', 'opera', 'palemoon', 'goanna', 'vivaldi', 'presto', 'intrepid', 'ru',
+ 'ipad', 'cpu os like mac os x', 'omniweb', 'chromium', 'thunderbird', 'ubuntu lts',
+ 'os', 'qupzilla', 'seamonkey', 'warp', 'konqueror', 'meego', 'nokian9', 'nokiabrowser',
+ 'profile', 'configuration', 'untrusted', 'samsungbrowser', 'es-us', 'pocophone f1',
+ 'sonyericssonw995', 'crios', 'lbbrowser', 'gwx:qualified', 'gwx:red', 'gwx:reserved',
+ 'microsoft outlook', 'word', 'microsoft', 'office', 'powerpoint', 'excel',
+ 'internet explorer', 'like gecko', 'shuame', 'qianniu', 'khtml, like gecko',
+ 'cutycapt version', 'khtml, live gecko', '68k', 'sv1', 'aef', 'gtb7.5', 'gfe',
+ 'embedded web browser from: http://bsalsa.com', 'wv', 'malnjs', '2.00',
+ 'fsl', 'lcjb', 'malcjs', 'touch', 'masmjs', 'malc', 'maln', 'foxy', 'bri', 'lcte',
+ 'embeddedwb from: http://www.bsalsa.com', '2345explorer', 'hpntdfjs', 'h4213',
+ 'rb.gy', 'sm-a505fn', 'lenovo tb-8504x', 'silk', 'lya-al00', 'windows xp', 'openbsd',
+ 'netbsd amd64', 'sa', 'samsung sm-g950f', 'redmi note', 'hry-lx1', 'cph2205',
+ '16th', 'redmi note pro', 'xiaomi/miuibrowser', 'sk-sk', 'linux i686 on x86_64',
+ 'debian iceweasel', 'rmx2101', 'mi note pro', 'rmx1921', 'nokia6100', '04.01',
+ 'fr-fr', 'slackware', 'sm-a225f', 'fennec', 'links', 'i386', 'windows phone os',
+ 'blackberry', 'maxthon', 'opera mini', 'j2me', 'winnt4.0', 'phoenix', 'avant browser',
+ 'iceweasel', 'moto e(7) plus', 'like geckoo', 'wpdesktop', 'nokia', 'lumia', 'arm',
+ 'de-at', 'pixel', 'puffin', 'zte blade a7', 'linux armv7l', 'hd1913', 'symbianos',
+ 'symbian os', 'de', '452', 'opera [en-us]', 'iemobile', 'windows phone', 'sm-g991b',
+ 'sm-j810g', 'da-dk', 'symbian', 'series60', 'nokiax7-00', 'freebsd amd64', 'openbsd amd64',
+ 'sm-n920c', 'blazer', 'palmsource', '16;320x320', 'sm-g998b', 'sm-a505g', 'freebsd i386',
+ 'jaunty', 'shiretoko', 'playbook', 'rim tablet os', 'asus;galaxy6', 'minimo',
+ 'linux arm7tdmi', 'blackberry7520', 'dl1036', '100011886a', 'lt-gtklauncher',
+ 'browserng', 'nokiae7-00', 'ubuntu chromium', 'silk-accelerated=true', 'openbsd i386',
+ 'windows ce', 'microsoft zunehd', 'epiphany', 'es-es', 'ru-ru', 'netbsd', 'ipod',
+ 'safari', 'xbox', 'xbox one', 'fxios', 'opx', 'ucbrowser', 'u3',
+ 'webos', 'desktop', 'compatible msie windows nt', 'sm-a525f', 'sm-g991u', 'ze520kl',
+ 'cros i686', 'de-de', 'en-ca', 'config', 'i686', 'sm-g970u', 'win95', 'i',
+ 'nokia7250', 'oneplus a6003', 'i2126', 'nintendo wii', 'vog-l29', 'msoffice', 'ms-office',
+ 'oneplus a5010', 'linux mint', 'blackberry8320', 'observatory', 'qdesk',
+ 'alexatoolbar', 'se metasr', 'qqdownload', 'alexa toolbar', 'baiduclient', 'ddg_android',
+ 'com.duckduckgo.mobile.android', 'android api', 'duckduckgo', 'googletoolbar', 'amaya',
+ ];
+ if (!in_array($part, $known) && !preg_match('=^rv:[\d]+\S*$=', $part)) {
+ $cleaned[] = $part;
+ }
+ }
+ return $cleaned;
+}
+
+function blockbot_clean_part(string $part): string
+{
+ $part = trim($part);
+ $subparts = [];
+ foreach (explode(' ', $part) as $subpart) {
+ $subpart = trim($subpart, ' +,');
+ if (!empty($subpart) && (!preg_match('=^\d+[\w\-\+\.]+$=', $subpart) || empty($subparts))) {
+ $subparts[] = $subpart;
+ }
+ }
+ return implode(' ', $subparts);
+}
+
+function blockbot_split_parts(string $agent, bool $parse_spaces, bool $parse_semicolon): array
+{
+ $agent = strtolower(trim($agent, ' ;'));
+ $cleaned = [];
+
+ while (preg_match('=\w+[\s\w/\._\-]*/\d+[^;\s]*=', $agent, $matches)) {
+ $part = $matches[0];
+ if (preg_match('=/\d+[^;\s]*=', $part, $matches, PREG_OFFSET_CAPTURE)) {
+ $cleaned[] = substr($part, 0, $matches[0][1]);
+ $part = substr($part, 0, $matches[0][1] + strlen($matches[0][0]));
+ }
+ $agent = trim(str_replace($part, '', $agent));
+ }
+ if ($parse_semicolon && strpos($agent, ';') !== false) {
+ $parse_spaces = false;
+ $parts = [];
+ foreach (explode(';', $agent) as $part) {
+ $parts[] = blockbot_clean_part($part);
+ }
+ } elseif (strpos($agent, ' - ') !== false) {
+ $parts = [];
+ foreach (explode(' - ', $agent) as $part) {
+ $parts[] = blockbot_clean_part($part);
+ }
+ } elseif ($parse_spaces) {
+ $parts = explode(' ', $agent);
+ } else {
+ $parts = [$agent];
+ }
+
+ if ($parse_spaces) {
+ $subparts = [];
+ foreach ($parts as $part) {
+ while (($pos_space = strpos($part, ' ')) !== false && ($pos_slash = strpos($part, '/')) !== false) {
+ if ($pos_space > $pos_slash) {
+ $subparts[] = substr($part, 0, $pos_space);
+ $part = trim(substr($part, $pos_space + 1), ' +,-;');
+ } else {
+ $subparts[] = $part;
+ $part = '';
+ }
+ }
+ if ($part != '') {
+ $subparts[] = $part;
+ }
+ }
+ $parts = $subparts;
+ }
+
+ foreach ($parts as $part) {
+ $part = trim($part, ' +');
+
+ if (!Network::isValidHttpUrl($part) && strpos($part, '/') !== false) {
+ $split = explode('/', $part);
+ array_pop($split);
+ $part = implode('/', $split);
+ }
+
+ $pos1 = strpos($part, "'");
+ $pos2 = strrpos($part, "'");
+ if ($pos1 != $pos2) {
+ $part = substr($part, 0, $pos1 - 1) . substr($part, $pos2 + 1);
+ }
+
+ $part = trim(preg_replace('=(.*) [\d\.]+=', '$1', $part), " +,-;\u{00AD}");
+ if (!empty($part)) {
+ $cleaned[] = $part;
+ }
+ }
+ return $cleaned;
+}
projects / friendica-addons.git / commitdiff