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fix response headers and HSTS #43

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fix response headers and HSTS #43

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9 changes: 7 additions & 2 deletions proxy.php
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Original file line number Diff line number Diff line change
Expand Up @@ -178,12 +178,17 @@
// (re-)send the headers
$response_headers = preg_split('/(\r\n){1}/', $response_headers);
foreach ($response_headers as $key => $response_header) {
//nowdays some headers are lowercase
$response_header = strtolower($response_header);

// Rewrite the `Location` header, so clients will also use the proxy for redirects.
if (preg_match('/^Location:/', $response_header)) {
if (preg_match('/^location:/', $response_header)) {
list($header, $value) = preg_split('/: /', $response_header, 2);
$response_header = 'Location: ' . $_SERVER['REQUEST_URI'] . '?csurl=' . $value;
}
if (!preg_match('/^(Transfer-Encoding):/', $response_header)) {

//skip transfer-encoding and strict-transport-security headers
if (!preg_match('/^(transfer-encoding|strict-transport-security):/', $response_header)) {
header($response_header, false);
}
}
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