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empty response when no captcha clear

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This commit is contained in:
Kieran 2017-11-17 16:31:38 +08:00
parent 658fd7954a
commit 910b440d59
1 changed files with 24 additions and 9 deletions
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33
src/php/download.php
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@ -15,8 +15,22 @@
}
}
//check is range request
$range_start = 0;
$range_end = 999;
if(isset($_SERVER['HTTP_RANGE'])){
$rby = explode('=', $_SERVER['HTTP_RANGE']);
$rbv = explode('-', $rby[1]);
if($rbv[0] != ''){
$range_start = $rbv[0];
}
if($rbv[1] != ''){
$range_end = $rbv[1];
}
}
//block certain bots from counting views (to stop files never expiring)
$validRequest = True;
$isCrawlBot = False;
$ua = isset($_SERVER["HTTP_USER_AGENT"]) ? $_SERVER["HTTP_USER_AGENT"] : "";
if(preg_match('/.*(\(.*\))/i', $ua, $matches) == 1)
{
@ -29,20 +43,23 @@
foreach($opts as $opt){
if(in_array(trim($opt), _UA_NO_VIEW)){
$validRequest = False;
$isCrawlBot = True;
break;
}
}
}
$redis = new Redis();
$redis->connect(_REDIS_SERVER);
$redis->pconnect(_REDIS_SERVER);
$dlCounter = $redis->get($hashKey);
if($dlCounter != FALSE) {
if($dlCounter >= _DL_CAPTCHA){
if($dlCounter >= _DL_CAPTCHA * 2){
http_response_code(444); //for tracking abuse
exit();
}else if($dlCounter >= _DL_CAPTCHA){
//redirect for captcha check
$redis->close();
$redis->incr($hashKey);
GAEvent("Captcha", "Hit");
header('location: ' . _SITEURL . '?dl#' . $hash);
exit();
@ -66,14 +83,12 @@
header("Content-type: $mimeType");
header('Content-Disposition: inline; filename="' . $filename . '"');
if($validRequest){
if(!$isCrawlBot && $range_start == 0){
GAPageView();
$db->AddView($f->hash160);
$redis->incr($hashKey);
}
$redis->incr($hashKey);
}else{
http_response_code(404);
}
$redis->close();
?>