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Added an Origin Check... #3

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Added an Origin Check... #3

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18 changes: 14 additions & 4 deletions class.PHPWebSocket.php
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,9 @@ class PHPWebSocket
// the maximum length, in bytes, of a message's payload data, this is also internally limited to 2,147,483,647
const WS_MAX_MESSAGE_PAYLOAD_RECV = 500000;


// check the Origin header matches a designated URL
const WS_ORIGIN_CHECK = true;
const WS_ORIGIN_URL = 'http://localhost/';


// internal
Expand Down Expand Up @@ -608,8 +610,16 @@ function wsProcessClientHandshake($clientID, &$buffer) {
for ($i=1; $i<$headersCount; $i++) {
$parts = explode(':', $headers[$i]);
if (!isset($parts[1])) return false;

$headersKeyed[trim($parts[0])] = trim($parts[1]);
if ($parts[0] == 'Origin') {
$headersKeyed[trim($parts[0])] = str_replace('Origin: ', '', trim($headers[$i]));
} else {
$headersKeyed[trim($parts[0])] = trim($parts[1]);
}
}

// check Origin matches, if requested to do so
if (self::WS_ORIGIN_CHECK) {
if ($headersKeyed['Origin'] != self::WS_ORIGIN_URL) return false;
}

// check Host header was received
Expand Down Expand Up @@ -755,4 +765,4 @@ function unbind( $type='' )
else $this->wsOnEvents = array();
}
}
?>
?>