mirror of
https://gh.wpcy.net/https://github.com/webguyio/stop-spammers-classic.git
synced 2026-05-24 23:55:55 +08:00
43 lines
No EOL
1.1 KiB
PHP
43 lines
No EOL
1.1 KiB
PHP
<?php
|
|
|
|
if ( !defined( 'ABSPATH' ) ) {
|
|
status_header( 404 );
|
|
exit;
|
|
}
|
|
|
|
class chkagent extends be_module {
|
|
public function process( $ip, &$stats = array(), &$options = array(), &$post = array() ) {
|
|
if ( !array_key_exists( 'badagents', $options ) ) {
|
|
return false;
|
|
}
|
|
$badagents = $options['badagents'];
|
|
if ( empty( $badagents ) || !is_array( $badagents ) ) {
|
|
return false;
|
|
}
|
|
$agent = "";
|
|
if ( array_key_exists( 'HTTP_USER_AGENT', $_SERVER ) ) {
|
|
$agent = sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) );
|
|
}
|
|
if ( empty( $agent ) ) {
|
|
return 'Missing User Agent';
|
|
}
|
|
// user agent can be spoofed - move these exclusions to a better test when finished
|
|
if ( stripos( $agent, 'docs.google.com/viewer' ) !== false ) {
|
|
return false;
|
|
} // fix this?
|
|
if ( stripos( $agent, '//www.google.com/bot.html)' ) !== false ) {
|
|
return false;
|
|
} // fix this?
|
|
if ( stripos( $agent, 'bingbot)' ) !== false ) {
|
|
return false;
|
|
} // fix this?
|
|
foreach ( $badagents as $a ) {
|
|
if ( stripos( $agent, $a ) !== false ) {
|
|
return 'Block List User Agent: ' . $a;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
?>
|
