|
|
@@ -0,0 +1,26 @@
|
|
|
+<?php
|
|
|
+function ckratelimit($headers) {
|
|
|
+ $aaheaders=[];
|
|
|
+ array_shift($headers);
|
|
|
+ foreach ($headers as $header)
|
|
|
+ if (preg_match('#^([^:]+): (.*)$#',$header,$matches)===1)
|
|
|
+ $aaheaders[strtolower($matches[1])]=$matches[2];
|
|
|
+ //$aaheaders['x-ratelimit-remaining']=0;
|
|
|
+ //print_r($aaheaders);
|
|
|
+ if (!isset($aaheaders['date'])) return ['ok'=>false,'error'=>'no «date» header'];
|
|
|
+ if (!isset($aaheaders['x-ratelimit-reset'])) return ['ok'=>false,'error'=>'no «x-ratelimit-reset» header'];
|
|
|
+ if (!isset($aaheaders['x-ratelimit-remaining'])) return ['ok'=>false,'error'=>'no «x-ratelimit-remaining» header'];
|
|
|
+ if (preg_match('#^\d+$#',$aaheaders['x-ratelimit-remaining'])!==1) return ['ok'=>false,'error'=>'«x-ratelimit-remaining» header is not an integer'];
|
|
|
+ $remaining=$aaheaders['x-ratelimit-remaining']+0;
|
|
|
+ $date=@strtotime($aaheaders['date']);
|
|
|
+ if (!is_int($date)) return ['ok'=>false,'error'=>'«date» header could not be converted to a unix timestamp'];
|
|
|
+ $reset=@strtotime($aaheaders['x-ratelimit-reset']);
|
|
|
+ if (!is_int($reset)) return ['ok'=>false,'error'=>'«x-ratelimit-reset» header could not be converted to a unix timestamp'];
|
|
|
+ // don't do the one on the line below, since it happens lots of times
|
|
|
+ //if ($reset<$date) return ['ok'=>false,'error'=>'the unix timestamp parsed from «x-ratelimit-reset» header is less than the unix timestamp parsed from «date» header'];
|
|
|
+ if ($remaining==0)
|
|
|
+ return ['ok'=>true,'sleep'=>$reset-$date+1,'remaining'=>$remaining];
|
|
|
+ else
|
|
|
+ return ['ok'=>true,'sleep'=>0,'remaining'=>$remaining];
|
|
|
+}
|
|
|
+?>
|
pezcurrel