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Limit ebook downloads per IP address

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Mike Colagrosso 2025-07-16 18:20:30 -06:00 • committed by Alex Cabal
parent 6c69ee0bdf
commit 0a71382a25
4 changed files with 58 additions and 9 deletions
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27
lib/EbookDownload.php
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@ -45,10 +45,7 @@ class EbookDownload{
$this->UserAgent = null;
}
// The `IpAddress` column expects IPv6 address strings.
if(is_string($this->IpAddress) && filter_var($this->IpAddress, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)){
$this->IpAddress = '::ffff:' . $this->IpAddress;
}
$this->IpAddress = Formatter::ToIpv6($this->IpAddress);
if($error->HasExceptions){
throw $error;
@ -86,4 +83,26 @@ class EbookDownload{
and Created < ?
', [$startDate, $endDate], EbookDownload::class);
}
/**
* Gets the count of `EbookDownload` objects by the given IP address newer than the given created time.
*
* @param string $ipAddress The IP address to search for.
* @param DateTimeImmutable $startDateTime The minimum creation timestamp (inclusive).
* @return int The total number of `EbookDownload` objects matching the criteria.
*/
public static function GetCountByIpAddressSince(?string $ipAddress, DateTimeImmutable $startDateTime): int{
if(!isset($ipAddress)){
return 0;
}
$ipAddress = Formatter::ToIpv6($ipAddress);
return Db::QueryInt('
SELECT count(*)
from EbookDownloads
where IpAddress = ?
and Created >= ?
', [$ipAddress, $startDateTime]);
}
}