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Add basic captcha

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discomrade 2021-05-05 10:29:06 -02:00
parent 661837a4b1
commit 11bab0a9ad
8 changed files with 3935 additions and 0 deletions
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32
captcha.php Normal file
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<?php
require_once 'inc/functions.php';
require_once 'inc/lib/securimage/securimage.php';
if(!isset($config['securimage']) || !$config['securimage']){
error('Securimage captcha not enabled.'); //TODO error image
}
$image=new Securimage(array('config_file'=>__DIR__ . '/inc/captchaconfig.php'));
$image->show();
$code=$image->getCode(false, true);
$ip=$_SERVER['REMOTE_ADDR'];
$query=prepare('INSERT INTO captchas(ip, code, time) VALUES(:ip, :code, NOW())');
$query->bindValue(':ip', $ip);
$query->bindValue(':code', $code);
$query->execute() or error(db_error($query));
$query=prepare('SELECT count(*) from captchas where ip=:ip');
$query->bindValue(':ip', $ip);
$query->execute() or error(db_error($query));
$count=$query->fetch()[0];
if($count>10){
$query=prepare('DELETE from captchas where ip=:ip ORDER BY time asc LIMIT 1');
$query->bindValue(':ip', $ip);
$query->execute()or error(db_error($query));
}