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Code Issues Releases Wiki Activity

(stable) When proxying cluster HTTP requests, forward only selected headers

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In the live cluster, some subset of the forwarded headers are creating
some issues for HTTP repository operations.
This commit is contained in:
epriestley 2016-04-09 03:39:17 -07:00
parent bf10fbdf6f
commit 908c29cb97
1 changed files with 19 additions and 7 deletions
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26
src/aphront/AphrontRequest.php
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@ -754,14 +754,26 @@ final class AphrontRequest extends Phobject {
// NOTE: apache_request_headers() might provide a nicer way to do this,
// but isn't available under FCGI until PHP 5.4.0.
foreach ($_SERVER as $key => $value) {
if (preg_match('/^HTTP_/', $key)) {
// Unmangle the header as best we can.
$key = substr($key, strlen('HTTP_'));
$key = str_replace('_', ' ', $key);
$key = strtolower($key);
$key = ucwords($key);
$key = str_replace(' ', '-', $key);
if (!preg_match('/^HTTP_/', $key)) {
continue;
}
// Unmangle the header as best we can.
$key = substr($key, strlen('HTTP_'));
$key = str_replace('_', ' ', $key);
$key = strtolower($key);
$key = ucwords($key);
$key = str_replace(' ', '-', $key);
// By default, do not forward headers.
$should_forward = false;
// Forward "X-Hgarg-..." headers.
if (preg_match('/^X-Hgarg-/', $key)) {
$should_forward = true;
}
if ($should_forward) {
$headers[] = array($key, $value);
$seen[$key] = true;
}