snappymail/snappymail/v/0.0.0/app/libraries/snappymail/http/stream.php
2022-03-24 12:01:41 +01:00

48 lines
1.4 KiB
PHP

<?php
namespace SnappyMail\HTTP;
/**
* Can be used with JavaScript AbstractFetchRemote.streamPerLine(fCallback, sGetAdd, postData)
*/
abstract class Stream
{
public static function start(bool $binary = false)
{
\set_time_limit(0);
\ob_implicit_flush();
\ini_set('implicit_flush',1);
\ini_set('output_buffering', 0);
if ($i = \ob_get_level()) {
# Clear buffers:
while ($i-- && \ob_end_clean());
// if (!\ob_get_level()) \header('Content-Encoding: ');
}
// https://www.w3.org/TR/edge-arch/
// We just fake Drupal https://www.drupal.org/docs/8/core/modules/big-pipe/bigpipe-environment-requirements
\header('Surrogate-Control: no-store, content="BigPipe/1.0"');
// Explicitly disable caching so Varnish and other upstreams won't cache.
\header('Cache-Control: no-store, no-cache, must-revalidate');
\header('Pragma: no-cache');
// Nginx: disable fastcgi_buffering and disable gzip for this request.
\header('X-Accel-Buffering: no');
// Apache mod_fastcgi needs the -flush option
// Apache mod_proxy_fcgi needs 'flushpackets' like in <Proxy "fcgi://...." flushpackets=on></Proxy>
// We can't control them here
// We can control ending the response with \fastcgi_finish_request()
if (!$binary) {
\header('Content-Type: text/plain');
}
}
public static function JSON($data)
{
echo \MailSo\Base\Utils::Php2js($data) . "\n";
\ob_flush();
\flush();
}
}