BookStack/app/Uploads/HttpFetcher.php

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<?php
namespace BookStack\Uploads;
use BookStack\Exceptions\HttpFetchException;
class HttpFetcher
{
/**
* Fetch content from an external URI.
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*
* @param string $uri
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*
* @throws HttpFetchException
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*
* @return bool|string
*/
public function fetch(string $uri)
{
$ch = curl_init();
curl_setopt_array($ch, [
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CURLOPT_URL => $uri,
CURLOPT_RETURNTRANSFER => 1,
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CURLOPT_CONNECTTIMEOUT => 5,
]);
$data = curl_exec($ch);
$err = curl_error($ch);
curl_close($ch);
if ($err) {
throw new HttpFetchException($err);
}
return $data;
}
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}